Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model
Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brac...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Bai, Jiangtao [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Anmerkung: |
© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| Übergeordnetes Werk: |
Enthalten in: Medical oncology - New York, NY : Springer, 1984, 40(2023), 2 vom: 06. Jan. |
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| Übergeordnetes Werk: |
volume:40 ; year:2023 ; number:2 ; day:06 ; month:01 |
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| DOI / URN: |
10.1007/s12032-022-01937-z |
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| Katalog-ID: |
SPR049007505 |
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| 520 | |a Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brachytherapy on bone metabolism. A total of 18 mice were used to establish H1299 xenograft models, and were randomly assigned to three groups. These included non-radioactive seed implantation (Sham IM), fractionated I-125 seed implantation (Fractionated IM) and single I-125 seed implantation (Single IM) groups. Mice were euthanized after 28 days of implantation. H&E staining, Ki67 immunohistochemistry, CD31 morphometric analysis and TUNEL immunofluorescence assays were respectively used to determine the histopathological changes, proliferation, micro-angiogenesis and apoptosis of tumors. In addition, bone volume and microstructure were evaluated using trabecular bone area (Tb.Ar), trabecular thickness (Tb.Th), trabecular number (Tb.N) and cortical thickness. Bone metabolic status was analyzed using histomorphometric staining of tartrate-resistant acid phosphate (TRAP) and alkaline phosphatase (ALP) expression in the femur, and using an ELISA assay to determine the expression of C-telopeptide of type 1 collagen (CTX-1) and procollagen type 1 n-terminal propeptide (P1NP) in the serum. Moreover, reverse transcription-quantitative PCR and western blotting were carried out for the analysis of bone remodeling-related gene expression in the bone tissue. Results of the present study demonstrated that compared with the Sham IM group, both the I-125 seed implantation groups, including Fractionated IM and Single IM, demonstrated significant therapeutic effects in both tumor volume and weight. More specifically, the most significant therapeutic effects on tumor inhibition were observed in the Fractionated IM group. Results of Ki67 and CD31 immunohistochemical staining suggested a notable reduction in tumor cell proliferation and micro-angiogenesis, and results of the TUNEL assay demonstrated an increase in tumor cell apoptosis. Although the cortical bone appeared thinner and more fragile in both I-125 seed implantation groups, no notable adverse changes in the morphology of the cancellous bone were observed, and the index of Tb.Ar, Tb.Th and Tb.n was not significantly different among Sham IM and I-125 implantation groups. However, alterations in bone metabolism were characterized by a decrease in CTX-1 and P1NP expression, accompanied by an increase in TRAP activity and a decrease in ALP activity. Results of the present study also demonstrated the notable suppression of osteocalcin and runt-related transcription factor 2. I-125 seed implantation may be an effective and safe antitumor strategy. Moreover, the use of fractionated implantation patterns based on tumor shape exhibited improved therapeutic effect on tumor suppression when the total number of I-125 seeds was equivalent along with reduced complications associated with bone loss. | ||
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10.1007/s12032-022-01937-z doi (DE-627)SPR049007505 (SPR)s12032-022-01937-z-e DE-627 ger DE-627 rakwb eng Bai, Jiangtao verfasserin aut Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brachytherapy on bone metabolism. A total of 18 mice were used to establish H1299 xenograft models, and were randomly assigned to three groups. These included non-radioactive seed implantation (Sham IM), fractionated I-125 seed implantation (Fractionated IM) and single I-125 seed implantation (Single IM) groups. Mice were euthanized after 28 days of implantation. H&E staining, Ki67 immunohistochemistry, CD31 morphometric analysis and TUNEL immunofluorescence assays were respectively used to determine the histopathological changes, proliferation, micro-angiogenesis and apoptosis of tumors. In addition, bone volume and microstructure were evaluated using trabecular bone area (Tb.Ar), trabecular thickness (Tb.Th), trabecular number (Tb.N) and cortical thickness. Bone metabolic status was analyzed using histomorphometric staining of tartrate-resistant acid phosphate (TRAP) and alkaline phosphatase (ALP) expression in the femur, and using an ELISA assay to determine the expression of C-telopeptide of type 1 collagen (CTX-1) and procollagen type 1 n-terminal propeptide (P1NP) in the serum. Moreover, reverse transcription-quantitative PCR and western blotting were carried out for the analysis of bone remodeling-related gene expression in the bone tissue. Results of the present study demonstrated that compared with the Sham IM group, both the I-125 seed implantation groups, including Fractionated IM and Single IM, demonstrated significant therapeutic effects in both tumor volume and weight. More specifically, the most significant therapeutic effects on tumor inhibition were observed in the Fractionated IM group. Results of Ki67 and CD31 immunohistochemical staining suggested a notable reduction in tumor cell proliferation and micro-angiogenesis, and results of the TUNEL assay demonstrated an increase in tumor cell apoptosis. Although the cortical bone appeared thinner and more fragile in both I-125 seed implantation groups, no notable adverse changes in the morphology of the cancellous bone were observed, and the index of Tb.Ar, Tb.Th and Tb.n was not significantly different among Sham IM and I-125 implantation groups. However, alterations in bone metabolism were characterized by a decrease in CTX-1 and P1NP expression, accompanied by an increase in TRAP activity and a decrease in ALP activity. Results of the present study also demonstrated the notable suppression of osteocalcin and runt-related transcription factor 2. I-125 seed implantation may be an effective and safe antitumor strategy. Moreover, the use of fractionated implantation patterns based on tumor shape exhibited improved therapeutic effect on tumor suppression when the total number of I-125 seeds was equivalent along with reduced complications associated with bone loss. I-125 radioactive seed (dpeaa)DE-He213 Brachytherapy (dpeaa)DE-He213 Xenograft tumor (dpeaa)DE-He213 Bone metabolis (dpeaa)DE-He213 Yu, Qiquan aut Wang, Yuyang aut Xu, Linshan aut Wang, Jianping aut Zhai, Jianglong aut Bao, Qi aut Guo, Wentao aut Wu, Chunxiao aut Zhang, Kun aut Shou, Weizhen aut Zhu, Guoying (orcid)0000-0001-5637-5184 aut Enthalten in Medical oncology New York, NY : Springer, 1984 40(2023), 2 vom: 06. Jan. (DE-627)320468240 (DE-600)2008172-8 1559-131X nnns volume:40 year:2023 number:2 day:06 month:01 https://dx.doi.org/10.1007/s12032-022-01937-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 40 2023 2 06 01 |
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10.1007/s12032-022-01937-z doi (DE-627)SPR049007505 (SPR)s12032-022-01937-z-e DE-627 ger DE-627 rakwb eng Bai, Jiangtao verfasserin aut Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brachytherapy on bone metabolism. A total of 18 mice were used to establish H1299 xenograft models, and were randomly assigned to three groups. These included non-radioactive seed implantation (Sham IM), fractionated I-125 seed implantation (Fractionated IM) and single I-125 seed implantation (Single IM) groups. Mice were euthanized after 28 days of implantation. H&E staining, Ki67 immunohistochemistry, CD31 morphometric analysis and TUNEL immunofluorescence assays were respectively used to determine the histopathological changes, proliferation, micro-angiogenesis and apoptosis of tumors. In addition, bone volume and microstructure were evaluated using trabecular bone area (Tb.Ar), trabecular thickness (Tb.Th), trabecular number (Tb.N) and cortical thickness. Bone metabolic status was analyzed using histomorphometric staining of tartrate-resistant acid phosphate (TRAP) and alkaline phosphatase (ALP) expression in the femur, and using an ELISA assay to determine the expression of C-telopeptide of type 1 collagen (CTX-1) and procollagen type 1 n-terminal propeptide (P1NP) in the serum. Moreover, reverse transcription-quantitative PCR and western blotting were carried out for the analysis of bone remodeling-related gene expression in the bone tissue. Results of the present study demonstrated that compared with the Sham IM group, both the I-125 seed implantation groups, including Fractionated IM and Single IM, demonstrated significant therapeutic effects in both tumor volume and weight. More specifically, the most significant therapeutic effects on tumor inhibition were observed in the Fractionated IM group. Results of Ki67 and CD31 immunohistochemical staining suggested a notable reduction in tumor cell proliferation and micro-angiogenesis, and results of the TUNEL assay demonstrated an increase in tumor cell apoptosis. Although the cortical bone appeared thinner and more fragile in both I-125 seed implantation groups, no notable adverse changes in the morphology of the cancellous bone were observed, and the index of Tb.Ar, Tb.Th and Tb.n was not significantly different among Sham IM and I-125 implantation groups. However, alterations in bone metabolism were characterized by a decrease in CTX-1 and P1NP expression, accompanied by an increase in TRAP activity and a decrease in ALP activity. Results of the present study also demonstrated the notable suppression of osteocalcin and runt-related transcription factor 2. I-125 seed implantation may be an effective and safe antitumor strategy. Moreover, the use of fractionated implantation patterns based on tumor shape exhibited improved therapeutic effect on tumor suppression when the total number of I-125 seeds was equivalent along with reduced complications associated with bone loss. I-125 radioactive seed (dpeaa)DE-He213 Brachytherapy (dpeaa)DE-He213 Xenograft tumor (dpeaa)DE-He213 Bone metabolis (dpeaa)DE-He213 Yu, Qiquan aut Wang, Yuyang aut Xu, Linshan aut Wang, Jianping aut Zhai, Jianglong aut Bao, Qi aut Guo, Wentao aut Wu, Chunxiao aut Zhang, Kun aut Shou, Weizhen aut Zhu, Guoying (orcid)0000-0001-5637-5184 aut Enthalten in Medical oncology New York, NY : Springer, 1984 40(2023), 2 vom: 06. Jan. (DE-627)320468240 (DE-600)2008172-8 1559-131X nnns volume:40 year:2023 number:2 day:06 month:01 https://dx.doi.org/10.1007/s12032-022-01937-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 40 2023 2 06 01 |
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10.1007/s12032-022-01937-z doi (DE-627)SPR049007505 (SPR)s12032-022-01937-z-e DE-627 ger DE-627 rakwb eng Bai, Jiangtao verfasserin aut Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brachytherapy on bone metabolism. A total of 18 mice were used to establish H1299 xenograft models, and were randomly assigned to three groups. These included non-radioactive seed implantation (Sham IM), fractionated I-125 seed implantation (Fractionated IM) and single I-125 seed implantation (Single IM) groups. Mice were euthanized after 28 days of implantation. H&E staining, Ki67 immunohistochemistry, CD31 morphometric analysis and TUNEL immunofluorescence assays were respectively used to determine the histopathological changes, proliferation, micro-angiogenesis and apoptosis of tumors. In addition, bone volume and microstructure were evaluated using trabecular bone area (Tb.Ar), trabecular thickness (Tb.Th), trabecular number (Tb.N) and cortical thickness. Bone metabolic status was analyzed using histomorphometric staining of tartrate-resistant acid phosphate (TRAP) and alkaline phosphatase (ALP) expression in the femur, and using an ELISA assay to determine the expression of C-telopeptide of type 1 collagen (CTX-1) and procollagen type 1 n-terminal propeptide (P1NP) in the serum. Moreover, reverse transcription-quantitative PCR and western blotting were carried out for the analysis of bone remodeling-related gene expression in the bone tissue. Results of the present study demonstrated that compared with the Sham IM group, both the I-125 seed implantation groups, including Fractionated IM and Single IM, demonstrated significant therapeutic effects in both tumor volume and weight. More specifically, the most significant therapeutic effects on tumor inhibition were observed in the Fractionated IM group. Results of Ki67 and CD31 immunohistochemical staining suggested a notable reduction in tumor cell proliferation and micro-angiogenesis, and results of the TUNEL assay demonstrated an increase in tumor cell apoptosis. Although the cortical bone appeared thinner and more fragile in both I-125 seed implantation groups, no notable adverse changes in the morphology of the cancellous bone were observed, and the index of Tb.Ar, Tb.Th and Tb.n was not significantly different among Sham IM and I-125 implantation groups. However, alterations in bone metabolism were characterized by a decrease in CTX-1 and P1NP expression, accompanied by an increase in TRAP activity and a decrease in ALP activity. Results of the present study also demonstrated the notable suppression of osteocalcin and runt-related transcription factor 2. I-125 seed implantation may be an effective and safe antitumor strategy. Moreover, the use of fractionated implantation patterns based on tumor shape exhibited improved therapeutic effect on tumor suppression when the total number of I-125 seeds was equivalent along with reduced complications associated with bone loss. I-125 radioactive seed (dpeaa)DE-He213 Brachytherapy (dpeaa)DE-He213 Xenograft tumor (dpeaa)DE-He213 Bone metabolis (dpeaa)DE-He213 Yu, Qiquan aut Wang, Yuyang aut Xu, Linshan aut Wang, Jianping aut Zhai, Jianglong aut Bao, Qi aut Guo, Wentao aut Wu, Chunxiao aut Zhang, Kun aut Shou, Weizhen aut Zhu, Guoying (orcid)0000-0001-5637-5184 aut Enthalten in Medical oncology New York, NY : Springer, 1984 40(2023), 2 vom: 06. Jan. (DE-627)320468240 (DE-600)2008172-8 1559-131X nnns volume:40 year:2023 number:2 day:06 month:01 https://dx.doi.org/10.1007/s12032-022-01937-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 40 2023 2 06 01 |
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10.1007/s12032-022-01937-z doi (DE-627)SPR049007505 (SPR)s12032-022-01937-z-e DE-627 ger DE-627 rakwb eng Bai, Jiangtao verfasserin aut Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brachytherapy on bone metabolism. A total of 18 mice were used to establish H1299 xenograft models, and were randomly assigned to three groups. These included non-radioactive seed implantation (Sham IM), fractionated I-125 seed implantation (Fractionated IM) and single I-125 seed implantation (Single IM) groups. Mice were euthanized after 28 days of implantation. H&E staining, Ki67 immunohistochemistry, CD31 morphometric analysis and TUNEL immunofluorescence assays were respectively used to determine the histopathological changes, proliferation, micro-angiogenesis and apoptosis of tumors. In addition, bone volume and microstructure were evaluated using trabecular bone area (Tb.Ar), trabecular thickness (Tb.Th), trabecular number (Tb.N) and cortical thickness. Bone metabolic status was analyzed using histomorphometric staining of tartrate-resistant acid phosphate (TRAP) and alkaline phosphatase (ALP) expression in the femur, and using an ELISA assay to determine the expression of C-telopeptide of type 1 collagen (CTX-1) and procollagen type 1 n-terminal propeptide (P1NP) in the serum. Moreover, reverse transcription-quantitative PCR and western blotting were carried out for the analysis of bone remodeling-related gene expression in the bone tissue. Results of the present study demonstrated that compared with the Sham IM group, both the I-125 seed implantation groups, including Fractionated IM and Single IM, demonstrated significant therapeutic effects in both tumor volume and weight. More specifically, the most significant therapeutic effects on tumor inhibition were observed in the Fractionated IM group. Results of Ki67 and CD31 immunohistochemical staining suggested a notable reduction in tumor cell proliferation and micro-angiogenesis, and results of the TUNEL assay demonstrated an increase in tumor cell apoptosis. Although the cortical bone appeared thinner and more fragile in both I-125 seed implantation groups, no notable adverse changes in the morphology of the cancellous bone were observed, and the index of Tb.Ar, Tb.Th and Tb.n was not significantly different among Sham IM and I-125 implantation groups. However, alterations in bone metabolism were characterized by a decrease in CTX-1 and P1NP expression, accompanied by an increase in TRAP activity and a decrease in ALP activity. Results of the present study also demonstrated the notable suppression of osteocalcin and runt-related transcription factor 2. I-125 seed implantation may be an effective and safe antitumor strategy. Moreover, the use of fractionated implantation patterns based on tumor shape exhibited improved therapeutic effect on tumor suppression when the total number of I-125 seeds was equivalent along with reduced complications associated with bone loss. I-125 radioactive seed (dpeaa)DE-He213 Brachytherapy (dpeaa)DE-He213 Xenograft tumor (dpeaa)DE-He213 Bone metabolis (dpeaa)DE-He213 Yu, Qiquan aut Wang, Yuyang aut Xu, Linshan aut Wang, Jianping aut Zhai, Jianglong aut Bao, Qi aut Guo, Wentao aut Wu, Chunxiao aut Zhang, Kun aut Shou, Weizhen aut Zhu, Guoying (orcid)0000-0001-5637-5184 aut Enthalten in Medical oncology New York, NY : Springer, 1984 40(2023), 2 vom: 06. Jan. (DE-627)320468240 (DE-600)2008172-8 1559-131X nnns volume:40 year:2023 number:2 day:06 month:01 https://dx.doi.org/10.1007/s12032-022-01937-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 40 2023 2 06 01 |
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10.1007/s12032-022-01937-z doi (DE-627)SPR049007505 (SPR)s12032-022-01937-z-e DE-627 ger DE-627 rakwb eng Bai, Jiangtao verfasserin aut Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brachytherapy on bone metabolism. A total of 18 mice were used to establish H1299 xenograft models, and were randomly assigned to three groups. These included non-radioactive seed implantation (Sham IM), fractionated I-125 seed implantation (Fractionated IM) and single I-125 seed implantation (Single IM) groups. Mice were euthanized after 28 days of implantation. H&E staining, Ki67 immunohistochemistry, CD31 morphometric analysis and TUNEL immunofluorescence assays were respectively used to determine the histopathological changes, proliferation, micro-angiogenesis and apoptosis of tumors. In addition, bone volume and microstructure were evaluated using trabecular bone area (Tb.Ar), trabecular thickness (Tb.Th), trabecular number (Tb.N) and cortical thickness. Bone metabolic status was analyzed using histomorphometric staining of tartrate-resistant acid phosphate (TRAP) and alkaline phosphatase (ALP) expression in the femur, and using an ELISA assay to determine the expression of C-telopeptide of type 1 collagen (CTX-1) and procollagen type 1 n-terminal propeptide (P1NP) in the serum. Moreover, reverse transcription-quantitative PCR and western blotting were carried out for the analysis of bone remodeling-related gene expression in the bone tissue. Results of the present study demonstrated that compared with the Sham IM group, both the I-125 seed implantation groups, including Fractionated IM and Single IM, demonstrated significant therapeutic effects in both tumor volume and weight. More specifically, the most significant therapeutic effects on tumor inhibition were observed in the Fractionated IM group. Results of Ki67 and CD31 immunohistochemical staining suggested a notable reduction in tumor cell proliferation and micro-angiogenesis, and results of the TUNEL assay demonstrated an increase in tumor cell apoptosis. Although the cortical bone appeared thinner and more fragile in both I-125 seed implantation groups, no notable adverse changes in the morphology of the cancellous bone were observed, and the index of Tb.Ar, Tb.Th and Tb.n was not significantly different among Sham IM and I-125 implantation groups. However, alterations in bone metabolism were characterized by a decrease in CTX-1 and P1NP expression, accompanied by an increase in TRAP activity and a decrease in ALP activity. Results of the present study also demonstrated the notable suppression of osteocalcin and runt-related transcription factor 2. I-125 seed implantation may be an effective and safe antitumor strategy. Moreover, the use of fractionated implantation patterns based on tumor shape exhibited improved therapeutic effect on tumor suppression when the total number of I-125 seeds was equivalent along with reduced complications associated with bone loss. I-125 radioactive seed (dpeaa)DE-He213 Brachytherapy (dpeaa)DE-He213 Xenograft tumor (dpeaa)DE-He213 Bone metabolis (dpeaa)DE-He213 Yu, Qiquan aut Wang, Yuyang aut Xu, Linshan aut Wang, Jianping aut Zhai, Jianglong aut Bao, Qi aut Guo, Wentao aut Wu, Chunxiao aut Zhang, Kun aut Shou, Weizhen aut Zhu, Guoying (orcid)0000-0001-5637-5184 aut Enthalten in Medical oncology New York, NY : Springer, 1984 40(2023), 2 vom: 06. Jan. (DE-627)320468240 (DE-600)2008172-8 1559-131X nnns volume:40 year:2023 number:2 day:06 month:01 https://dx.doi.org/10.1007/s12032-022-01937-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 40 2023 2 06 01 |
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Bai, Jiangtao @@aut@@ Yu, Qiquan @@aut@@ Wang, Yuyang @@aut@@ Xu, Linshan @@aut@@ Wang, Jianping @@aut@@ Zhai, Jianglong @@aut@@ Bao, Qi @@aut@@ Guo, Wentao @@aut@@ Wu, Chunxiao @@aut@@ Zhang, Kun @@aut@@ Shou, Weizhen @@aut@@ Zhu, Guoying @@aut@@ |
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englisch |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR049007505</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230519071349.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230107s2023 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s12032-022-01937-z</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR049007505</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s12032-022-01937-z-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Bai, Jiangtao</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2023</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brachytherapy on bone metabolism. A total of 18 mice were used to establish H1299 xenograft models, and were randomly assigned to three groups. These included non-radioactive seed implantation (Sham IM), fractionated I-125 seed implantation (Fractionated IM) and single I-125 seed implantation (Single IM) groups. Mice were euthanized after 28 days of implantation. H&E staining, Ki67 immunohistochemistry, CD31 morphometric analysis and TUNEL immunofluorescence assays were respectively used to determine the histopathological changes, proliferation, micro-angiogenesis and apoptosis of tumors. In addition, bone volume and microstructure were evaluated using trabecular bone area (Tb.Ar), trabecular thickness (Tb.Th), trabecular number (Tb.N) and cortical thickness. Bone metabolic status was analyzed using histomorphometric staining of tartrate-resistant acid phosphate (TRAP) and alkaline phosphatase (ALP) expression in the femur, and using an ELISA assay to determine the expression of C-telopeptide of type 1 collagen (CTX-1) and procollagen type 1 n-terminal propeptide (P1NP) in the serum. Moreover, reverse transcription-quantitative PCR and western blotting were carried out for the analysis of bone remodeling-related gene expression in the bone tissue. Results of the present study demonstrated that compared with the Sham IM group, both the I-125 seed implantation groups, including Fractionated IM and Single IM, demonstrated significant therapeutic effects in both tumor volume and weight. More specifically, the most significant therapeutic effects on tumor inhibition were observed in the Fractionated IM group. Results of Ki67 and CD31 immunohistochemical staining suggested a notable reduction in tumor cell proliferation and micro-angiogenesis, and results of the TUNEL assay demonstrated an increase in tumor cell apoptosis. Although the cortical bone appeared thinner and more fragile in both I-125 seed implantation groups, no notable adverse changes in the morphology of the cancellous bone were observed, and the index of Tb.Ar, Tb.Th and Tb.n was not significantly different among Sham IM and I-125 implantation groups. However, alterations in bone metabolism were characterized by a decrease in CTX-1 and P1NP expression, accompanied by an increase in TRAP activity and a decrease in ALP activity. Results of the present study also demonstrated the notable suppression of osteocalcin and runt-related transcription factor 2. I-125 seed implantation may be an effective and safe antitumor strategy. 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Bai, Jiangtao |
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Bai, Jiangtao misc I-125 radioactive seed misc Brachytherapy misc Xenograft tumor misc Bone metabolis Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model |
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Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model I-125 radioactive seed (dpeaa)DE-He213 Brachytherapy (dpeaa)DE-He213 Xenograft tumor (dpeaa)DE-He213 Bone metabolis (dpeaa)DE-He213 |
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Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model |
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Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model |
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Bai, Jiangtao Yu, Qiquan Wang, Yuyang Xu, Linshan Wang, Jianping Zhai, Jianglong Bao, Qi Guo, Wentao Wu, Chunxiao Zhang, Kun Shou, Weizhen Zhu, Guoying |
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iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a h1299 xenograft mouse model |
| title_auth |
Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model |
| abstract |
Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brachytherapy on bone metabolism. A total of 18 mice were used to establish H1299 xenograft models, and were randomly assigned to three groups. These included non-radioactive seed implantation (Sham IM), fractionated I-125 seed implantation (Fractionated IM) and single I-125 seed implantation (Single IM) groups. Mice were euthanized after 28 days of implantation. H&E staining, Ki67 immunohistochemistry, CD31 morphometric analysis and TUNEL immunofluorescence assays were respectively used to determine the histopathological changes, proliferation, micro-angiogenesis and apoptosis of tumors. In addition, bone volume and microstructure were evaluated using trabecular bone area (Tb.Ar), trabecular thickness (Tb.Th), trabecular number (Tb.N) and cortical thickness. Bone metabolic status was analyzed using histomorphometric staining of tartrate-resistant acid phosphate (TRAP) and alkaline phosphatase (ALP) expression in the femur, and using an ELISA assay to determine the expression of C-telopeptide of type 1 collagen (CTX-1) and procollagen type 1 n-terminal propeptide (P1NP) in the serum. Moreover, reverse transcription-quantitative PCR and western blotting were carried out for the analysis of bone remodeling-related gene expression in the bone tissue. Results of the present study demonstrated that compared with the Sham IM group, both the I-125 seed implantation groups, including Fractionated IM and Single IM, demonstrated significant therapeutic effects in both tumor volume and weight. More specifically, the most significant therapeutic effects on tumor inhibition were observed in the Fractionated IM group. Results of Ki67 and CD31 immunohistochemical staining suggested a notable reduction in tumor cell proliferation and micro-angiogenesis, and results of the TUNEL assay demonstrated an increase in tumor cell apoptosis. Although the cortical bone appeared thinner and more fragile in both I-125 seed implantation groups, no notable adverse changes in the morphology of the cancellous bone were observed, and the index of Tb.Ar, Tb.Th and Tb.n was not significantly different among Sham IM and I-125 implantation groups. However, alterations in bone metabolism were characterized by a decrease in CTX-1 and P1NP expression, accompanied by an increase in TRAP activity and a decrease in ALP activity. Results of the present study also demonstrated the notable suppression of osteocalcin and runt-related transcription factor 2. I-125 seed implantation may be an effective and safe antitumor strategy. Moreover, the use of fractionated implantation patterns based on tumor shape exhibited improved therapeutic effect on tumor suppression when the total number of I-125 seeds was equivalent along with reduced complications associated with bone loss. © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstractGer |
Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brachytherapy on bone metabolism. A total of 18 mice were used to establish H1299 xenograft models, and were randomly assigned to three groups. These included non-radioactive seed implantation (Sham IM), fractionated I-125 seed implantation (Fractionated IM) and single I-125 seed implantation (Single IM) groups. Mice were euthanized after 28 days of implantation. H&E staining, Ki67 immunohistochemistry, CD31 morphometric analysis and TUNEL immunofluorescence assays were respectively used to determine the histopathological changes, proliferation, micro-angiogenesis and apoptosis of tumors. In addition, bone volume and microstructure were evaluated using trabecular bone area (Tb.Ar), trabecular thickness (Tb.Th), trabecular number (Tb.N) and cortical thickness. Bone metabolic status was analyzed using histomorphometric staining of tartrate-resistant acid phosphate (TRAP) and alkaline phosphatase (ALP) expression in the femur, and using an ELISA assay to determine the expression of C-telopeptide of type 1 collagen (CTX-1) and procollagen type 1 n-terminal propeptide (P1NP) in the serum. Moreover, reverse transcription-quantitative PCR and western blotting were carried out for the analysis of bone remodeling-related gene expression in the bone tissue. Results of the present study demonstrated that compared with the Sham IM group, both the I-125 seed implantation groups, including Fractionated IM and Single IM, demonstrated significant therapeutic effects in both tumor volume and weight. More specifically, the most significant therapeutic effects on tumor inhibition were observed in the Fractionated IM group. Results of Ki67 and CD31 immunohistochemical staining suggested a notable reduction in tumor cell proliferation and micro-angiogenesis, and results of the TUNEL assay demonstrated an increase in tumor cell apoptosis. Although the cortical bone appeared thinner and more fragile in both I-125 seed implantation groups, no notable adverse changes in the morphology of the cancellous bone were observed, and the index of Tb.Ar, Tb.Th and Tb.n was not significantly different among Sham IM and I-125 implantation groups. However, alterations in bone metabolism were characterized by a decrease in CTX-1 and P1NP expression, accompanied by an increase in TRAP activity and a decrease in ALP activity. Results of the present study also demonstrated the notable suppression of osteocalcin and runt-related transcription factor 2. I-125 seed implantation may be an effective and safe antitumor strategy. Moreover, the use of fractionated implantation patterns based on tumor shape exhibited improved therapeutic effect on tumor suppression when the total number of I-125 seeds was equivalent along with reduced complications associated with bone loss. © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstract_unstemmed |
Abstract The present study aimed to investigate the efficacy of Iodine-125 (I-125) brachytherapy in a mouse model of non-small cell lung cancer, to further explore the efficacy and appropriate method of implantation of the I-125 radioactive seed. This study also aimed to determine the impact of brachytherapy on bone metabolism. A total of 18 mice were used to establish H1299 xenograft models, and were randomly assigned to three groups. These included non-radioactive seed implantation (Sham IM), fractionated I-125 seed implantation (Fractionated IM) and single I-125 seed implantation (Single IM) groups. Mice were euthanized after 28 days of implantation. H&E staining, Ki67 immunohistochemistry, CD31 morphometric analysis and TUNEL immunofluorescence assays were respectively used to determine the histopathological changes, proliferation, micro-angiogenesis and apoptosis of tumors. In addition, bone volume and microstructure were evaluated using trabecular bone area (Tb.Ar), trabecular thickness (Tb.Th), trabecular number (Tb.N) and cortical thickness. Bone metabolic status was analyzed using histomorphometric staining of tartrate-resistant acid phosphate (TRAP) and alkaline phosphatase (ALP) expression in the femur, and using an ELISA assay to determine the expression of C-telopeptide of type 1 collagen (CTX-1) and procollagen type 1 n-terminal propeptide (P1NP) in the serum. Moreover, reverse transcription-quantitative PCR and western blotting were carried out for the analysis of bone remodeling-related gene expression in the bone tissue. Results of the present study demonstrated that compared with the Sham IM group, both the I-125 seed implantation groups, including Fractionated IM and Single IM, demonstrated significant therapeutic effects in both tumor volume and weight. More specifically, the most significant therapeutic effects on tumor inhibition were observed in the Fractionated IM group. Results of Ki67 and CD31 immunohistochemical staining suggested a notable reduction in tumor cell proliferation and micro-angiogenesis, and results of the TUNEL assay demonstrated an increase in tumor cell apoptosis. Although the cortical bone appeared thinner and more fragile in both I-125 seed implantation groups, no notable adverse changes in the morphology of the cancellous bone were observed, and the index of Tb.Ar, Tb.Th and Tb.n was not significantly different among Sham IM and I-125 implantation groups. However, alterations in bone metabolism were characterized by a decrease in CTX-1 and P1NP expression, accompanied by an increase in TRAP activity and a decrease in ALP activity. Results of the present study also demonstrated the notable suppression of osteocalcin and runt-related transcription factor 2. I-125 seed implantation may be an effective and safe antitumor strategy. Moreover, the use of fractionated implantation patterns based on tumor shape exhibited improved therapeutic effect on tumor suppression when the total number of I-125 seeds was equivalent along with reduced complications associated with bone loss. © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Iodine-125 brachytherapy suppresses tumor growth and alters bone metabolism in a H1299 xenograft mouse model |
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| score |
7.399269 |