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HER2 status in advanced gastric carcinoma: A retrospective multicentric analysis from Sicily
According to the ToGA trial, HER2 has been shown to be predictive for the success of treatment with trastuzumab in advanced gastric cancer (AGC). A number of studies have analyzed HER-2/neu overexpression in gastric carcinoma and identified the rate of HER2 positivity to be markedly varied. To date,...
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Published in: | Oncology letters 2013-12, Vol.6 (6), p.1591-1594 |
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creator | IENI, A BARRESI, V GIUFFRÈ, G CARUSO, R.A LANZAFAME, S VILLARI, L SALOMONE, E ROZ, E CABIBI, D FRANCO, V CERTO, G LABATE, A NAGAR, C MAGLIOLO, E BROGGI, B FAZZARI, C ITALIA, F TUCCARI, G |
description | According to the ToGA trial, HER2 has been shown to be predictive for the success of treatment with trastuzumab in advanced gastric cancer (AGC). A number of studies have analyzed HER-2/neu overexpression in gastric carcinoma and identified the rate of HER2 positivity to be markedly varied. To date, the prevalence of HER2 overexpression in Sicilian people with AGC is unknown. Therefore, in the present study, a retrospective immunohistochemical analysis of HER2 was performed in a cohort of 304 AGC samples that were obtained from the archives of 10 Sicilian anatomopathological diagnostic units in order to verify the positive rate of HER2-positive cases. Furthermore, the characteristics of histotype, grade, stage and Ki-67 expression were also analyzed. HER2 overexpression was encountered in 17.43% of all the gastric adenocarcinomas, which was consistent with the results that have been reported elsewhere in the literature. A progressive increase in HER2 overexpression was observed, from the poorly cohesive histotype to the tubular adenocarcinomas and gastric hepatoid adenocarcinomas. HER2 overexpression was significantly associated with a high grade, advanced stage and high Ki-67 labeling index. Further investigations performed jointly by pathologists and oncologists within the geographical area of the present study should confirm that the association of trastuzumab with chemotherapy results in an improvement of survival in patients with AGC. |
doi_str_mv | 10.3892/ol.2013.1611 |
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A number of studies have analyzed HER-2/neu overexpression in gastric carcinoma and identified the rate of HER2 positivity to be markedly varied. To date, the prevalence of HER2 overexpression in Sicilian people with AGC is unknown. Therefore, in the present study, a retrospective immunohistochemical analysis of HER2 was performed in a cohort of 304 AGC samples that were obtained from the archives of 10 Sicilian anatomopathological diagnostic units in order to verify the positive rate of HER2-positive cases. Furthermore, the characteristics of histotype, grade, stage and Ki-67 expression were also analyzed. HER2 overexpression was encountered in 17.43% of all the gastric adenocarcinomas, which was consistent with the results that have been reported elsewhere in the literature. A progressive increase in HER2 overexpression was observed, from the poorly cohesive histotype to the tubular adenocarcinomas and gastric hepatoid adenocarcinomas. HER2 overexpression was significantly associated with a high grade, advanced stage and high Ki-67 labeling index. Further investigations performed jointly by pathologists and oncologists within the geographical area of the present study should confirm that the association of trastuzumab with chemotherapy results in an improvement of survival in patients with AGC.</description><identifier>ISSN: 1792-1074</identifier><identifier>EISSN: 1792-1082</identifier><identifier>DOI: 10.3892/ol.2013.1611</identifier><identifier>PMID: 24260051</identifier><language>eng</language><publisher>Greece: D.A. Spandidos</publisher><subject>Antigens ; Cancer therapies ; Chemotherapy ; Cloning ; Cytoplasm ; gastric adenocarcinoma ; Gastric cancer ; Gene amplification ; HER2 status ; Immunotherapy ; Laboratories ; Monoclonal antibodies ; Mortality ; Multivariate analysis ; Oncology ; Proteins ; Sicily ; Statistical analysis ; Studies ; Targeted cancer therapy ; trastuzumab ; Tumors</subject><ispartof>Oncology letters, 2013-12, Vol.6 (6), p.1591-1594</ispartof><rights>Copyright © 2013, Spandidos Publications</rights><rights>Copyright Spandidos Publications UK Ltd. 2013</rights><rights>Copyright © 2013, Spandidos Publications 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c443t-132be04aa0a09fcb69ce8c538635853d8e94da91fb42eabba30a71f7958b169d3</citedby><cites>FETCH-LOGICAL-c443t-132be04aa0a09fcb69ce8c538635853d8e94da91fb42eabba30a71f7958b169d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3833944/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3833944/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24260051$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>IENI, A</creatorcontrib><creatorcontrib>BARRESI, V</creatorcontrib><creatorcontrib>GIUFFRÈ, G</creatorcontrib><creatorcontrib>CARUSO, R.A</creatorcontrib><creatorcontrib>LANZAFAME, S</creatorcontrib><creatorcontrib>VILLARI, L</creatorcontrib><creatorcontrib>SALOMONE, E</creatorcontrib><creatorcontrib>ROZ, E</creatorcontrib><creatorcontrib>CABIBI, D</creatorcontrib><creatorcontrib>FRANCO, V</creatorcontrib><creatorcontrib>CERTO, G</creatorcontrib><creatorcontrib>LABATE, A</creatorcontrib><creatorcontrib>NAGAR, C</creatorcontrib><creatorcontrib>MAGLIOLO, E</creatorcontrib><creatorcontrib>BROGGI, B</creatorcontrib><creatorcontrib>FAZZARI, C</creatorcontrib><creatorcontrib>ITALIA, F</creatorcontrib><creatorcontrib>TUCCARI, G</creatorcontrib><title>HER2 status in advanced gastric carcinoma: A retrospective multicentric analysis from Sicily</title><title>Oncology letters</title><addtitle>Oncol Lett</addtitle><description>According to the ToGA trial, HER2 has been shown to be predictive for the success of treatment with trastuzumab in advanced gastric cancer (AGC). A number of studies have analyzed HER-2/neu overexpression in gastric carcinoma and identified the rate of HER2 positivity to be markedly varied. To date, the prevalence of HER2 overexpression in Sicilian people with AGC is unknown. Therefore, in the present study, a retrospective immunohistochemical analysis of HER2 was performed in a cohort of 304 AGC samples that were obtained from the archives of 10 Sicilian anatomopathological diagnostic units in order to verify the positive rate of HER2-positive cases. Furthermore, the characteristics of histotype, grade, stage and Ki-67 expression were also analyzed. HER2 overexpression was encountered in 17.43% of all the gastric adenocarcinomas, which was consistent with the results that have been reported elsewhere in the literature. A progressive increase in HER2 overexpression was observed, from the poorly cohesive histotype to the tubular adenocarcinomas and gastric hepatoid adenocarcinomas. HER2 overexpression was significantly associated with a high grade, advanced stage and high Ki-67 labeling index. Further investigations performed jointly by pathologists and oncologists within the geographical area of the present study should confirm that the association of trastuzumab with chemotherapy results in an improvement of survival in patients with AGC.</description><subject>Antigens</subject><subject>Cancer therapies</subject><subject>Chemotherapy</subject><subject>Cloning</subject><subject>Cytoplasm</subject><subject>gastric adenocarcinoma</subject><subject>Gastric cancer</subject><subject>Gene amplification</subject><subject>HER2 status</subject><subject>Immunotherapy</subject><subject>Laboratories</subject><subject>Monoclonal antibodies</subject><subject>Mortality</subject><subject>Multivariate analysis</subject><subject>Oncology</subject><subject>Proteins</subject><subject>Sicily</subject><subject>Statistical analysis</subject><subject>Studies</subject><subject>Targeted cancer therapy</subject><subject>trastuzumab</subject><subject>Tumors</subject><issn>1792-1074</issn><issn>1792-1082</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNpdkd1rFDEUxYMotqx981kCgvjgrLnJTDbxoVBKtUJB8ONNCHcymZqSmazJzML-92a6df0IgdyQH4dzcgh5DmwtlOZvY1hzBmINEuAROYWN5hUwxR8f5019Qs5yvmNlNRKUkk_JCa-5LFc4Jd-vrz5zmiec5kz9SLHb4WhdR28xT8lbajFZP8YB39ELmtyUYt46O_mdo8McJm_deM_hiGGffaZ9igP94q0P-2fkSY8hu7OHc0W-vb_6enld3Xz68PHy4qaydS2mCgRvHasRGTLd21Zq65RthJKiUY3olNN1hxr6tuYO2xYFww30G92oFqTuxIqcH3S3czu47t4SBrNNfsC0NxG9-fdl9D_MbdwZoYTQxcOKvH4QSPHn7PJkBp-tCwFHF-dsQHHZKFANL-jL_9C7OKcSvlBacFlLJRbBNwfKlv_KyfVHM8DM0pyJwSzNmaW5gr_4O8AR_t1TAV4dgLzFsfNdzH_ShYrJZUOjQfwCsfahTQ</recordid><startdate>20131201</startdate><enddate>20131201</enddate><creator>IENI, A</creator><creator>BARRESI, V</creator><creator>GIUFFRÈ, G</creator><creator>CARUSO, R.A</creator><creator>LANZAFAME, S</creator><creator>VILLARI, L</creator><creator>SALOMONE, E</creator><creator>ROZ, E</creator><creator>CABIBI, D</creator><creator>FRANCO, V</creator><creator>CERTO, G</creator><creator>LABATE, A</creator><creator>NAGAR, C</creator><creator>MAGLIOLO, E</creator><creator>BROGGI, B</creator><creator>FAZZARI, C</creator><creator>ITALIA, F</creator><creator>TUCCARI, G</creator><general>D.A. 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HER2 overexpression was significantly associated with a high grade, advanced stage and high Ki-67 labeling index. Further investigations performed jointly by pathologists and oncologists within the geographical area of the present study should confirm that the association of trastuzumab with chemotherapy results in an improvement of survival in patients with AGC.</abstract><cop>Greece</cop><pub>D.A. Spandidos</pub><pmid>24260051</pmid><doi>10.3892/ol.2013.1611</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Antigens Cancer therapies Chemotherapy Cloning Cytoplasm gastric adenocarcinoma Gastric cancer Gene amplification HER2 status Immunotherapy Laboratories Monoclonal antibodies Mortality Multivariate analysis Oncology Proteins Sicily Statistical analysis Studies Targeted cancer therapy trastuzumab Tumors |
title | HER2 status in advanced gastric carcinoma: A retrospective multicentric analysis from Sicily |
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