Please use this identifier to cite or link to this item: https://doi.org/10.1210/jc.2011-0473
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dc.titleAutocrine proliferative effects of hGH are maintained in primary cultures of human mammary carcinoma cells
dc.contributor.authorChiesa, J.
dc.contributor.authorFerrer, C.
dc.contributor.authorArnould, C.
dc.contributor.authorVouyovitch, C.M.
dc.contributor.authorDiaz, J.-J.
dc.contributor.authorGonzalez, S.
dc.contributor.authorMares, P.
dc.contributor.authorMorel, G.
dc.contributor.authorWu, Z.-S.
dc.contributor.authorZhu, T.
dc.contributor.authorLobie, P.E.
dc.contributor.authorMertani, H.C.
dc.date.accessioned2014-11-26T07:43:07Z
dc.date.available2014-11-26T07:43:07Z
dc.date.issued2011-09
dc.identifier.citationChiesa, J., Ferrer, C., Arnould, C., Vouyovitch, C.M., Diaz, J.-J., Gonzalez, S., Mares, P., Morel, G., Wu, Z.-S., Zhu, T., Lobie, P.E., Mertani, H.C. (2011-09). Autocrine proliferative effects of hGH are maintained in primary cultures of human mammary carcinoma cells. Journal of Clinical Endocrinology and Metabolism 96 (9) : E1418-E1426. ScholarBank@NUS Repository. https://doi.org/10.1210/jc.2011-0473
dc.identifier.issn0021972X
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/109209
dc.description.abstractContext: Empirical evidence suggests that autocrine human GH (hGH) may possess a proliferative and oncogenic role in human mammary carcinoma. However, this concept is largely derived from studies using cultured human mammary carcinoma cell (HMCC) lines. Objective: We investigated the expression and functionality of hGH and the hGH receptor in isolated cultures of primary HMCC. Design: Epithelial cell adhesion molecule-positive primary HMCC were isolated from surgical biopsies of patients with mammary carcinoma and cultured in vitro. Expression of hGH and hGH receptor was determined by RT-PCR, immunofluorescence microscopy, and ELISA. The proliferative response of the cultured primary HMCC to hGH stimulation or hGH inhibition with a hGH antagonist was determined. Results: One hundred percent of cultured primary HMCC expressed the hGH receptor, and 52% expressed hGH at the mRNA level. hGH-positive primary HMCC produced hGH protein within the cell and secreted hGH to the media. Both hGH-negative and hGH-positive HMCC responded to hGH stimulation with large increases in cell number. hGH-positive HMCC responded to inhibition of hGH by a hGH antagonist with a decrease in cell number, whereas hGH-negative HMCC did not. Conclusion: Primary HMCC proliferate in response to hGH, and the proliferation of hGH-positive HMCC is inhibited by hGH antagonism. Inhibition of hGH in patients with mammary carcinoma may therefore limit tumor growth. Copyright © 2011 by The Endocrine Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1210/jc.2011-0473
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHARMACOLOGY
dc.description.doi10.1210/jc.2011-0473
dc.description.sourcetitleJournal of Clinical Endocrinology and Metabolism
dc.description.volume96
dc.description.issue9
dc.description.pageE1418-E1426
dc.description.codenJCEMA
dc.identifier.isiut000294558600008
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