PMID- 7585656 OWN - NLM STAT- MEDLINE DCOM- 19951214 LR - 20141120 IS - 0008-5472 (Print) IS - 0008-5472 (Linking) VI - 55 IP - 23 DP - 1995 Dec 1 TI - Amplification and overexpression of HER-2/neu (c-erbB2) in endometrial cancers: correlation with overall survival. PG - 5693-8 AB - Few molecular genetic alterations have been identified in endometrial cancers that are associated with poor clinical outcome. Overexpression of HER-2/neu, transforming growth factor alpha, and p53 proteins have all been associated with poor prognosis in women with endometrial cancer. In this study, the level of HER-2/neu gene amplification and expression was characterized in 92 endometrial cancers. Fluorescence in situ hybridization (FISH) was used to characterize HER-2/neu gene copy number, and immunohistochemistry was used to characterize expression. Forty-seven of the 90 (52%) endometrial cancers were characterized as showing moderate or high immunostaining. HER-2/neu gene amplification was detected in 17 of 81 (21%) cases. Immunohistochemical staining and FISH results were both available for 80 cases. Fourteen of these cases showed both moderate or high immunostaining and gene amplification. Clinical follow-up information was available for 76 women in this study. Women whose endometrial cancer exhibited HER-2/neu gene amplification by FISH had a shorter overall survival than women whose endometrial cancer lacked amplification (P = 0.018). Likewise, tumors with moderate or high HER-2/neu immunostaining were associated with a lower cumulative overall survival than tumors with low immunostaining by log rank analysis (P < 0.0001). Multivariate analysis of survival rates revealed HER-2/neu overexpression to be an independent predictor of overall survival (P = 0.0163). Among those patients with HER-2/neu overexpression, adjuvant chemotherapy or radiation therapy was associated with an improved overall survival (P = 0.039). However, among those women whose tumor lacked overexpression, overall survival was not improved by adjuvant treatment. FAU - Saffari, B AU - Saffari B AD - Department of Pathology, University of Southern California School of Medicine, Los Angeles 90033, USA. FAU - Jones, L A AU - Jones LA FAU - el-Naggar, A AU - el-Naggar A FAU - Felix, J C AU - Felix JC FAU - George, J AU - George J FAU - Press, M F AU - Press MF LA - eng GR - CA48780/CA/NCI NIH HHS/United States GR - CA50589/CA/NCI NIH HHS/United States PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, P.H.S. PL - United States TA - Cancer Res JT - Cancer research JID - 2984705R RN - EC 2.7.10.1 (Receptor, ErbB-2) SB - IM MH - Adult MH - Aged MH - Endometrial Neoplasms/*genetics/*metabolism/pathology/therapy MH - Female MH - Gene Amplification/*genetics MH - Genes, erbB-2/*genetics MH - Humans MH - Middle Aged MH - Prognosis MH - Receptor, ErbB-2/genetics/*metabolism MH - Retrospective Studies EDAT- 1995/12/01 00:00 MHDA- 1995/12/01 00:01 CRDT- 1995/12/01 00:00 PHST- 1995/12/01 00:00 [pubmed] PHST- 1995/12/01 00:01 [medline] PHST- 1995/12/01 00:00 [entrez] PST - ppublish SO - Cancer Res. 1995 Dec 1;55(23):5693-8.