Frequency of Her2/neu expression in colorectal adenocarcinoma: a study from developing South Asian Country
Background Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcino...
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Gespeichert in:
| Autor*in: |
Shabbir, Asma [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Anmerkung: |
© The Author(s). 2016 |
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| Übergeordnetes Werk: |
Enthalten in: BMC cancer - London : BioMed Central, 2001, 16(2016), 1 vom: 07. Nov. |
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| Übergeordnetes Werk: |
volume:16 ; year:2016 ; number:1 ; day:07 ; month:11 |
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| DOI / URN: |
10.1186/s12885-016-2912-y |
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| Katalog-ID: |
SPR027682366 |
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| 520 | |a Background Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. Methods A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval. Hematoxylin & eosin (H&E) staining was performed on all the tissue sections. Expression of Her-2/neu was investigated by immunohistochemistry using α-Her-2 antibody. In order to quantify Her-2/neu expression, three criterias were applied that includes the pattern of staining, intensity of staining and percentage of tumor cells stained. Furthermore, its association was seen with various clinicopathological variables including age, gender, histopathological type, grade and stage of the tumor. Data was entered and analyzed using SPSS version 21. A p-value of < 0.05 was considered as significant. Results From the total of 95 cases, 75 (78.9 %) cases showed Her-2/neu expression. Pattern of Her-2/neu staining was significantly associated with the grade of colorectal cancer depicting cytoplasmic Her-2/neu expression higher in low grade (50 %) while membranous Her-2/neu expression more in high grade colorectal cancer (45 %) (P-value = 0.030). Pattern of Her-2/neu staining was also significantly associated with the type of colorectal cancer representing membranous Her-2/neu expression to be more common in mucinous type (38.5 %) while cytoplasmic Her-2/neu expression to be more frequent in non mucinous type (42.7 %) of colorectal cancer (p-value = 0.024). We observed a significant association between percentage of cells stained & tumor type, with score 3+ maximum in non mucinous type of colorectal cancer (p-value = 0.006). Conclusion Her2/neu is considerably expressed in colorectal adenocarcinoma in Pakistani population. Our findings indicate a significant strong association of cytoplasmic Her-2/neu expression with low grades and membranous Her-2/neu expression with high grades of colorectal cancer. These findings add to the body of information & may help in conducting clinical trials in future to explore its therapeutic significance as well. | ||
| 650 | 4 | |a Her-2/ |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Colorectal adenocarcinoma |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Immunohistochemistry |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Trastuzumab |7 (dpeaa)DE-He213 | |
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| 700 | 1 | |a Khalid, Abdullah Bin |4 aut | |
| 700 | 1 | |a Qureshi, Muhammad Asif |4 aut | |
| 700 | 1 | |a Asim, Sadaf Ahmed |4 aut | |
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10.1186/s12885-016-2912-y doi (DE-627)SPR027682366 (SPR)s12885-016-2912-y-e DE-627 ger DE-627 rakwb eng Shabbir, Asma verfasserin aut Frequency of Her2/neu expression in colorectal adenocarcinoma: a study from developing South Asian Country 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2016 Background Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. Methods A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval. Hematoxylin & eosin (H&E) staining was performed on all the tissue sections. Expression of Her-2/neu was investigated by immunohistochemistry using α-Her-2 antibody. In order to quantify Her-2/neu expression, three criterias were applied that includes the pattern of staining, intensity of staining and percentage of tumor cells stained. Furthermore, its association was seen with various clinicopathological variables including age, gender, histopathological type, grade and stage of the tumor. Data was entered and analyzed using SPSS version 21. A p-value of < 0.05 was considered as significant. Results From the total of 95 cases, 75 (78.9 %) cases showed Her-2/neu expression. Pattern of Her-2/neu staining was significantly associated with the grade of colorectal cancer depicting cytoplasmic Her-2/neu expression higher in low grade (50 %) while membranous Her-2/neu expression more in high grade colorectal cancer (45 %) (P-value = 0.030). Pattern of Her-2/neu staining was also significantly associated with the type of colorectal cancer representing membranous Her-2/neu expression to be more common in mucinous type (38.5 %) while cytoplasmic Her-2/neu expression to be more frequent in non mucinous type (42.7 %) of colorectal cancer (p-value = 0.024). We observed a significant association between percentage of cells stained & tumor type, with score 3+ maximum in non mucinous type of colorectal cancer (p-value = 0.006). Conclusion Her2/neu is considerably expressed in colorectal adenocarcinoma in Pakistani population. Our findings indicate a significant strong association of cytoplasmic Her-2/neu expression with low grades and membranous Her-2/neu expression with high grades of colorectal cancer. These findings add to the body of information & may help in conducting clinical trials in future to explore its therapeutic significance as well. Her-2/ (dpeaa)DE-He213 Colorectal adenocarcinoma (dpeaa)DE-He213 Immunohistochemistry (dpeaa)DE-He213 Trastuzumab (dpeaa)DE-He213 Mirza, Talat aut Khalid, Abdullah Bin aut Qureshi, Muhammad Asif aut Asim, Sadaf Ahmed aut Enthalten in BMC cancer London : BioMed Central, 2001 16(2016), 1 vom: 07. Nov. (DE-627)326643710 (DE-600)2041352-X 1471-2407 nnns volume:16 year:2016 number:1 day:07 month:11 https://dx.doi.org/10.1186/s12885-016-2912-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2016 1 07 11 |
| spelling |
10.1186/s12885-016-2912-y doi (DE-627)SPR027682366 (SPR)s12885-016-2912-y-e DE-627 ger DE-627 rakwb eng Shabbir, Asma verfasserin aut Frequency of Her2/neu expression in colorectal adenocarcinoma: a study from developing South Asian Country 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2016 Background Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. Methods A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval. Hematoxylin & eosin (H&E) staining was performed on all the tissue sections. Expression of Her-2/neu was investigated by immunohistochemistry using α-Her-2 antibody. In order to quantify Her-2/neu expression, three criterias were applied that includes the pattern of staining, intensity of staining and percentage of tumor cells stained. Furthermore, its association was seen with various clinicopathological variables including age, gender, histopathological type, grade and stage of the tumor. Data was entered and analyzed using SPSS version 21. A p-value of < 0.05 was considered as significant. Results From the total of 95 cases, 75 (78.9 %) cases showed Her-2/neu expression. Pattern of Her-2/neu staining was significantly associated with the grade of colorectal cancer depicting cytoplasmic Her-2/neu expression higher in low grade (50 %) while membranous Her-2/neu expression more in high grade colorectal cancer (45 %) (P-value = 0.030). Pattern of Her-2/neu staining was also significantly associated with the type of colorectal cancer representing membranous Her-2/neu expression to be more common in mucinous type (38.5 %) while cytoplasmic Her-2/neu expression to be more frequent in non mucinous type (42.7 %) of colorectal cancer (p-value = 0.024). We observed a significant association between percentage of cells stained & tumor type, with score 3+ maximum in non mucinous type of colorectal cancer (p-value = 0.006). Conclusion Her2/neu is considerably expressed in colorectal adenocarcinoma in Pakistani population. Our findings indicate a significant strong association of cytoplasmic Her-2/neu expression with low grades and membranous Her-2/neu expression with high grades of colorectal cancer. These findings add to the body of information & may help in conducting clinical trials in future to explore its therapeutic significance as well. Her-2/ (dpeaa)DE-He213 Colorectal adenocarcinoma (dpeaa)DE-He213 Immunohistochemistry (dpeaa)DE-He213 Trastuzumab (dpeaa)DE-He213 Mirza, Talat aut Khalid, Abdullah Bin aut Qureshi, Muhammad Asif aut Asim, Sadaf Ahmed aut Enthalten in BMC cancer London : BioMed Central, 2001 16(2016), 1 vom: 07. Nov. (DE-627)326643710 (DE-600)2041352-X 1471-2407 nnns volume:16 year:2016 number:1 day:07 month:11 https://dx.doi.org/10.1186/s12885-016-2912-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2016 1 07 11 |
| allfields_unstemmed |
10.1186/s12885-016-2912-y doi (DE-627)SPR027682366 (SPR)s12885-016-2912-y-e DE-627 ger DE-627 rakwb eng Shabbir, Asma verfasserin aut Frequency of Her2/neu expression in colorectal adenocarcinoma: a study from developing South Asian Country 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2016 Background Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. Methods A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval. Hematoxylin & eosin (H&E) staining was performed on all the tissue sections. Expression of Her-2/neu was investigated by immunohistochemistry using α-Her-2 antibody. In order to quantify Her-2/neu expression, three criterias were applied that includes the pattern of staining, intensity of staining and percentage of tumor cells stained. Furthermore, its association was seen with various clinicopathological variables including age, gender, histopathological type, grade and stage of the tumor. Data was entered and analyzed using SPSS version 21. A p-value of < 0.05 was considered as significant. Results From the total of 95 cases, 75 (78.9 %) cases showed Her-2/neu expression. Pattern of Her-2/neu staining was significantly associated with the grade of colorectal cancer depicting cytoplasmic Her-2/neu expression higher in low grade (50 %) while membranous Her-2/neu expression more in high grade colorectal cancer (45 %) (P-value = 0.030). Pattern of Her-2/neu staining was also significantly associated with the type of colorectal cancer representing membranous Her-2/neu expression to be more common in mucinous type (38.5 %) while cytoplasmic Her-2/neu expression to be more frequent in non mucinous type (42.7 %) of colorectal cancer (p-value = 0.024). We observed a significant association between percentage of cells stained & tumor type, with score 3+ maximum in non mucinous type of colorectal cancer (p-value = 0.006). Conclusion Her2/neu is considerably expressed in colorectal adenocarcinoma in Pakistani population. Our findings indicate a significant strong association of cytoplasmic Her-2/neu expression with low grades and membranous Her-2/neu expression with high grades of colorectal cancer. These findings add to the body of information & may help in conducting clinical trials in future to explore its therapeutic significance as well. Her-2/ (dpeaa)DE-He213 Colorectal adenocarcinoma (dpeaa)DE-He213 Immunohistochemistry (dpeaa)DE-He213 Trastuzumab (dpeaa)DE-He213 Mirza, Talat aut Khalid, Abdullah Bin aut Qureshi, Muhammad Asif aut Asim, Sadaf Ahmed aut Enthalten in BMC cancer London : BioMed Central, 2001 16(2016), 1 vom: 07. Nov. (DE-627)326643710 (DE-600)2041352-X 1471-2407 nnns volume:16 year:2016 number:1 day:07 month:11 https://dx.doi.org/10.1186/s12885-016-2912-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2016 1 07 11 |
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10.1186/s12885-016-2912-y doi (DE-627)SPR027682366 (SPR)s12885-016-2912-y-e DE-627 ger DE-627 rakwb eng Shabbir, Asma verfasserin aut Frequency of Her2/neu expression in colorectal adenocarcinoma: a study from developing South Asian Country 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2016 Background Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. Methods A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval. Hematoxylin & eosin (H&E) staining was performed on all the tissue sections. Expression of Her-2/neu was investigated by immunohistochemistry using α-Her-2 antibody. In order to quantify Her-2/neu expression, three criterias were applied that includes the pattern of staining, intensity of staining and percentage of tumor cells stained. Furthermore, its association was seen with various clinicopathological variables including age, gender, histopathological type, grade and stage of the tumor. Data was entered and analyzed using SPSS version 21. A p-value of < 0.05 was considered as significant. Results From the total of 95 cases, 75 (78.9 %) cases showed Her-2/neu expression. Pattern of Her-2/neu staining was significantly associated with the grade of colorectal cancer depicting cytoplasmic Her-2/neu expression higher in low grade (50 %) while membranous Her-2/neu expression more in high grade colorectal cancer (45 %) (P-value = 0.030). Pattern of Her-2/neu staining was also significantly associated with the type of colorectal cancer representing membranous Her-2/neu expression to be more common in mucinous type (38.5 %) while cytoplasmic Her-2/neu expression to be more frequent in non mucinous type (42.7 %) of colorectal cancer (p-value = 0.024). We observed a significant association between percentage of cells stained & tumor type, with score 3+ maximum in non mucinous type of colorectal cancer (p-value = 0.006). Conclusion Her2/neu is considerably expressed in colorectal adenocarcinoma in Pakistani population. Our findings indicate a significant strong association of cytoplasmic Her-2/neu expression with low grades and membranous Her-2/neu expression with high grades of colorectal cancer. These findings add to the body of information & may help in conducting clinical trials in future to explore its therapeutic significance as well. Her-2/ (dpeaa)DE-He213 Colorectal adenocarcinoma (dpeaa)DE-He213 Immunohistochemistry (dpeaa)DE-He213 Trastuzumab (dpeaa)DE-He213 Mirza, Talat aut Khalid, Abdullah Bin aut Qureshi, Muhammad Asif aut Asim, Sadaf Ahmed aut Enthalten in BMC cancer London : BioMed Central, 2001 16(2016), 1 vom: 07. Nov. (DE-627)326643710 (DE-600)2041352-X 1471-2407 nnns volume:16 year:2016 number:1 day:07 month:11 https://dx.doi.org/10.1186/s12885-016-2912-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2016 1 07 11 |
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10.1186/s12885-016-2912-y doi (DE-627)SPR027682366 (SPR)s12885-016-2912-y-e DE-627 ger DE-627 rakwb eng Shabbir, Asma verfasserin aut Frequency of Her2/neu expression in colorectal adenocarcinoma: a study from developing South Asian Country 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2016 Background Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. Methods A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval. Hematoxylin & eosin (H&E) staining was performed on all the tissue sections. Expression of Her-2/neu was investigated by immunohistochemistry using α-Her-2 antibody. In order to quantify Her-2/neu expression, three criterias were applied that includes the pattern of staining, intensity of staining and percentage of tumor cells stained. Furthermore, its association was seen with various clinicopathological variables including age, gender, histopathological type, grade and stage of the tumor. Data was entered and analyzed using SPSS version 21. A p-value of < 0.05 was considered as significant. Results From the total of 95 cases, 75 (78.9 %) cases showed Her-2/neu expression. Pattern of Her-2/neu staining was significantly associated with the grade of colorectal cancer depicting cytoplasmic Her-2/neu expression higher in low grade (50 %) while membranous Her-2/neu expression more in high grade colorectal cancer (45 %) (P-value = 0.030). Pattern of Her-2/neu staining was also significantly associated with the type of colorectal cancer representing membranous Her-2/neu expression to be more common in mucinous type (38.5 %) while cytoplasmic Her-2/neu expression to be more frequent in non mucinous type (42.7 %) of colorectal cancer (p-value = 0.024). We observed a significant association between percentage of cells stained & tumor type, with score 3+ maximum in non mucinous type of colorectal cancer (p-value = 0.006). Conclusion Her2/neu is considerably expressed in colorectal adenocarcinoma in Pakistani population. Our findings indicate a significant strong association of cytoplasmic Her-2/neu expression with low grades and membranous Her-2/neu expression with high grades of colorectal cancer. These findings add to the body of information & may help in conducting clinical trials in future to explore its therapeutic significance as well. Her-2/ (dpeaa)DE-He213 Colorectal adenocarcinoma (dpeaa)DE-He213 Immunohistochemistry (dpeaa)DE-He213 Trastuzumab (dpeaa)DE-He213 Mirza, Talat aut Khalid, Abdullah Bin aut Qureshi, Muhammad Asif aut Asim, Sadaf Ahmed aut Enthalten in BMC cancer London : BioMed Central, 2001 16(2016), 1 vom: 07. Nov. (DE-627)326643710 (DE-600)2041352-X 1471-2407 nnns volume:16 year:2016 number:1 day:07 month:11 https://dx.doi.org/10.1186/s12885-016-2912-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2016 1 07 11 |
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Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. Methods A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval. Hematoxylin & eosin (H&E) staining was performed on all the tissue sections. Expression of Her-2/neu was investigated by immunohistochemistry using α-Her-2 antibody. In order to quantify Her-2/neu expression, three criterias were applied that includes the pattern of staining, intensity of staining and percentage of tumor cells stained. Furthermore, its association was seen with various clinicopathological variables including age, gender, histopathological type, grade and stage of the tumor. Data was entered and analyzed using SPSS version 21. A p-value of < 0.05 was considered as significant. Results From the total of 95 cases, 75 (78.9 %) cases showed Her-2/neu expression. Pattern of Her-2/neu staining was significantly associated with the grade of colorectal cancer depicting cytoplasmic Her-2/neu expression higher in low grade (50 %) while membranous Her-2/neu expression more in high grade colorectal cancer (45 %) (P-value = 0.030). Pattern of Her-2/neu staining was also significantly associated with the type of colorectal cancer representing membranous Her-2/neu expression to be more common in mucinous type (38.5 %) while cytoplasmic Her-2/neu expression to be more frequent in non mucinous type (42.7 %) of colorectal cancer (p-value = 0.024). We observed a significant association between percentage of cells stained & tumor type, with score 3+ maximum in non mucinous type of colorectal cancer (p-value = 0.006). Conclusion Her2/neu is considerably expressed in colorectal adenocarcinoma in Pakistani population. 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frequency of her2/neu expression in colorectal adenocarcinoma: a study from developing south asian country |
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Frequency of Her2/neu expression in colorectal adenocarcinoma: a study from developing South Asian Country |
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Background Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. Methods A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval. Hematoxylin & eosin (H&E) staining was performed on all the tissue sections. Expression of Her-2/neu was investigated by immunohistochemistry using α-Her-2 antibody. In order to quantify Her-2/neu expression, three criterias were applied that includes the pattern of staining, intensity of staining and percentage of tumor cells stained. Furthermore, its association was seen with various clinicopathological variables including age, gender, histopathological type, grade and stage of the tumor. Data was entered and analyzed using SPSS version 21. A p-value of < 0.05 was considered as significant. Results From the total of 95 cases, 75 (78.9 %) cases showed Her-2/neu expression. Pattern of Her-2/neu staining was significantly associated with the grade of colorectal cancer depicting cytoplasmic Her-2/neu expression higher in low grade (50 %) while membranous Her-2/neu expression more in high grade colorectal cancer (45 %) (P-value = 0.030). Pattern of Her-2/neu staining was also significantly associated with the type of colorectal cancer representing membranous Her-2/neu expression to be more common in mucinous type (38.5 %) while cytoplasmic Her-2/neu expression to be more frequent in non mucinous type (42.7 %) of colorectal cancer (p-value = 0.024). We observed a significant association between percentage of cells stained & tumor type, with score 3+ maximum in non mucinous type of colorectal cancer (p-value = 0.006). Conclusion Her2/neu is considerably expressed in colorectal adenocarcinoma in Pakistani population. Our findings indicate a significant strong association of cytoplasmic Her-2/neu expression with low grades and membranous Her-2/neu expression with high grades of colorectal cancer. These findings add to the body of information & may help in conducting clinical trials in future to explore its therapeutic significance as well. © The Author(s). 2016 |
| abstractGer |
Background Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. Methods A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval. Hematoxylin & eosin (H&E) staining was performed on all the tissue sections. Expression of Her-2/neu was investigated by immunohistochemistry using α-Her-2 antibody. In order to quantify Her-2/neu expression, three criterias were applied that includes the pattern of staining, intensity of staining and percentage of tumor cells stained. Furthermore, its association was seen with various clinicopathological variables including age, gender, histopathological type, grade and stage of the tumor. Data was entered and analyzed using SPSS version 21. A p-value of < 0.05 was considered as significant. Results From the total of 95 cases, 75 (78.9 %) cases showed Her-2/neu expression. Pattern of Her-2/neu staining was significantly associated with the grade of colorectal cancer depicting cytoplasmic Her-2/neu expression higher in low grade (50 %) while membranous Her-2/neu expression more in high grade colorectal cancer (45 %) (P-value = 0.030). Pattern of Her-2/neu staining was also significantly associated with the type of colorectal cancer representing membranous Her-2/neu expression to be more common in mucinous type (38.5 %) while cytoplasmic Her-2/neu expression to be more frequent in non mucinous type (42.7 %) of colorectal cancer (p-value = 0.024). We observed a significant association between percentage of cells stained & tumor type, with score 3+ maximum in non mucinous type of colorectal cancer (p-value = 0.006). Conclusion Her2/neu is considerably expressed in colorectal adenocarcinoma in Pakistani population. Our findings indicate a significant strong association of cytoplasmic Her-2/neu expression with low grades and membranous Her-2/neu expression with high grades of colorectal cancer. These findings add to the body of information & may help in conducting clinical trials in future to explore its therapeutic significance as well. © The Author(s). 2016 |
| abstract_unstemmed |
Background Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. Methods A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval. Hematoxylin & eosin (H&E) staining was performed on all the tissue sections. Expression of Her-2/neu was investigated by immunohistochemistry using α-Her-2 antibody. In order to quantify Her-2/neu expression, three criterias were applied that includes the pattern of staining, intensity of staining and percentage of tumor cells stained. Furthermore, its association was seen with various clinicopathological variables including age, gender, histopathological type, grade and stage of the tumor. Data was entered and analyzed using SPSS version 21. A p-value of < 0.05 was considered as significant. Results From the total of 95 cases, 75 (78.9 %) cases showed Her-2/neu expression. Pattern of Her-2/neu staining was significantly associated with the grade of colorectal cancer depicting cytoplasmic Her-2/neu expression higher in low grade (50 %) while membranous Her-2/neu expression more in high grade colorectal cancer (45 %) (P-value = 0.030). Pattern of Her-2/neu staining was also significantly associated with the type of colorectal cancer representing membranous Her-2/neu expression to be more common in mucinous type (38.5 %) while cytoplasmic Her-2/neu expression to be more frequent in non mucinous type (42.7 %) of colorectal cancer (p-value = 0.024). We observed a significant association between percentage of cells stained & tumor type, with score 3+ maximum in non mucinous type of colorectal cancer (p-value = 0.006). Conclusion Her2/neu is considerably expressed in colorectal adenocarcinoma in Pakistani population. Our findings indicate a significant strong association of cytoplasmic Her-2/neu expression with low grades and membranous Her-2/neu expression with high grades of colorectal cancer. These findings add to the body of information & may help in conducting clinical trials in future to explore its therapeutic significance as well. © The Author(s). 2016 |
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| score |
7.402936 |