Host-guest interactions based supramolecular complexes self-assemblies for amplified chemodynamic therapy with H2O2 elevation and GSH consumption properties
Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor...
Ausführliche Beschreibung
Autor*in: |
Bai, Yang [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2023transfer abstract |
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Übergeordnetes Werk: |
Enthalten in: Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions - Li, Daguang ELSEVIER, 2016, Beijing |
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Übergeordnetes Werk: |
volume:34 ; year:2023 ; number:1 ; pages:0 |
Links: |
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DOI / URN: |
10.1016/j.cclet.2022.05.066 |
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520 | |a Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. | ||
520 | |a Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. | ||
700 | 1 | |a Pan, Yujie |4 oth | |
700 | 1 | |a An, Na |4 oth | |
700 | 1 | |a Zhang, Haitao |4 oth | |
700 | 1 | |a Wang, Chao |4 oth | |
700 | 1 | |a Tian, Wei |4 oth | |
700 | 1 | |a Huang, Tao |4 oth | |
773 | 0 | 8 | |i Enthalten in |n Institute of Materia Medica |a Li, Daguang ELSEVIER |t Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions |d 2016 |g Beijing |w (DE-627)ELV014303019 |
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10.1016/j.cclet.2022.05.066 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059738103 (ELSEVIER)S1001-8417(22)00529-0 DE-627 ger DE-627 rakwb eng 670 VZ 540 VZ 630 VZ Bai, Yang verfasserin aut Host-guest interactions based supramolecular complexes self-assemblies for amplified chemodynamic therapy with H2O2 elevation and GSH consumption properties 2023transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. Pan, Yujie oth An, Na oth Zhang, Haitao oth Wang, Chao oth Tian, Wei oth Huang, Tao oth Enthalten in Institute of Materia Medica Li, Daguang ELSEVIER Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions 2016 Beijing (DE-627)ELV014303019 volume:34 year:2023 number:1 pages:0 https://doi.org/10.1016/j.cclet.2022.05.066 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 GBV_ILN_69 AR 34 2023 1 0 |
spelling |
10.1016/j.cclet.2022.05.066 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059738103 (ELSEVIER)S1001-8417(22)00529-0 DE-627 ger DE-627 rakwb eng 670 VZ 540 VZ 630 VZ Bai, Yang verfasserin aut Host-guest interactions based supramolecular complexes self-assemblies for amplified chemodynamic therapy with H2O2 elevation and GSH consumption properties 2023transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. Pan, Yujie oth An, Na oth Zhang, Haitao oth Wang, Chao oth Tian, Wei oth Huang, Tao oth Enthalten in Institute of Materia Medica Li, Daguang ELSEVIER Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions 2016 Beijing (DE-627)ELV014303019 volume:34 year:2023 number:1 pages:0 https://doi.org/10.1016/j.cclet.2022.05.066 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 GBV_ILN_69 AR 34 2023 1 0 |
allfields_unstemmed |
10.1016/j.cclet.2022.05.066 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059738103 (ELSEVIER)S1001-8417(22)00529-0 DE-627 ger DE-627 rakwb eng 670 VZ 540 VZ 630 VZ Bai, Yang verfasserin aut Host-guest interactions based supramolecular complexes self-assemblies for amplified chemodynamic therapy with H2O2 elevation and GSH consumption properties 2023transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. Pan, Yujie oth An, Na oth Zhang, Haitao oth Wang, Chao oth Tian, Wei oth Huang, Tao oth Enthalten in Institute of Materia Medica Li, Daguang ELSEVIER Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions 2016 Beijing (DE-627)ELV014303019 volume:34 year:2023 number:1 pages:0 https://doi.org/10.1016/j.cclet.2022.05.066 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 GBV_ILN_69 AR 34 2023 1 0 |
allfieldsGer |
10.1016/j.cclet.2022.05.066 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059738103 (ELSEVIER)S1001-8417(22)00529-0 DE-627 ger DE-627 rakwb eng 670 VZ 540 VZ 630 VZ Bai, Yang verfasserin aut Host-guest interactions based supramolecular complexes self-assemblies for amplified chemodynamic therapy with H2O2 elevation and GSH consumption properties 2023transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. Pan, Yujie oth An, Na oth Zhang, Haitao oth Wang, Chao oth Tian, Wei oth Huang, Tao oth Enthalten in Institute of Materia Medica Li, Daguang ELSEVIER Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions 2016 Beijing (DE-627)ELV014303019 volume:34 year:2023 number:1 pages:0 https://doi.org/10.1016/j.cclet.2022.05.066 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 GBV_ILN_69 AR 34 2023 1 0 |
allfieldsSound |
10.1016/j.cclet.2022.05.066 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059738103 (ELSEVIER)S1001-8417(22)00529-0 DE-627 ger DE-627 rakwb eng 670 VZ 540 VZ 630 VZ Bai, Yang verfasserin aut Host-guest interactions based supramolecular complexes self-assemblies for amplified chemodynamic therapy with H2O2 elevation and GSH consumption properties 2023transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. Pan, Yujie oth An, Na oth Zhang, Haitao oth Wang, Chao oth Tian, Wei oth Huang, Tao oth Enthalten in Institute of Materia Medica Li, Daguang ELSEVIER Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions 2016 Beijing (DE-627)ELV014303019 volume:34 year:2023 number:1 pages:0 https://doi.org/10.1016/j.cclet.2022.05.066 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 GBV_ILN_69 AR 34 2023 1 0 |
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Enthalten in Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions Beijing volume:34 year:2023 number:1 pages:0 |
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Enthalten in Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions Beijing volume:34 year:2023 number:1 pages:0 |
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Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions |
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In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. 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Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions |
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Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions |
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host-guest interactions based supramolecular complexes self-assemblies for amplified chemodynamic therapy with h2o2 elevation and gsh consumption properties |
title_auth |
Host-guest interactions based supramolecular complexes self-assemblies for amplified chemodynamic therapy with H2O2 elevation and GSH consumption properties |
abstract |
Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. |
abstractGer |
Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. |
abstract_unstemmed |
Although endogenous H2O2 is overexpressed in tumor tissue, the amount of endogenous H2O2 is still insufficient for chemodynamic therapy (CDT). In addition, the abundant cellular glutathione (GSH) could also consume •OH for reduced CDT. Thus, the elevation of H2O2 and the consumption of GSH in tumor tissue are essential for the increased •OH yield and amplified CDT efficacy. In this paper, host-guest interactions based supramolecular complexes self-assemblies (SCSAs) were fabricated by incorporating cinnamaldehyde (CA) and PEG-modified cyclodextrin host units (mPEG-CD-CA) with ferrocene-(phenylboronic acid pinacol ester) conjugates (Fc-BE) on the basis of CD-induced host-guest interactions. After being internalized by cancer cells, CA can be released from SCSAs through the pH-responsive acetal linkage, elevating the H2O2 level by activating NADPH oxidase. Then, Fc can catalyze the H2O2 to higher cytotoxic hydroxyl radicals (•OH). Moreover, quinone methide (QM) can be produced through H2O2-induced aryl boronic ester rearrangement and further consume the antioxidant GSH. In vitro and in vivo experiments demonstrate that SCSAs can be provided as potential amplified CDT nanoagents. |
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Host-guest interactions based supramolecular complexes self-assemblies for amplified chemodynamic therapy with H2O2 elevation and GSH consumption properties |
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Pan, Yujie An, Na Zhang, Haitao Wang, Chao Tian, Wei Huang, Tao |
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