Abstract：
:About one-third of human breast cancers require hormones for their continued growth and endocrine ablation or anti-hormone therapy can cause regression of these tumours. As a consequence, ovariectomy in premenopausal women or administration of an anti-oestrogen (tamoxifen) in postmenopausal women represent major options for treatment of metastatic breast cancer. Alternatively, chronic administration of agonistic analogues of luteinizing hormone-releasing hormone (LHRH) causes regression of mammary tumours in experimental animals, and such treatment has shown promise in a small series of premenopausal women with advanced breast cancer. It has been assumed that these results were achieved by suppressing the pituitary-ovarian axis, as the treatment causes a reduction in circulating levels of gonadal steroids similar to that produced by castration. However, LHRH agonists can exert major effects on tissues other than the pituitary in animals and in the human. Such findings, coupled with reports of LHRH in human breast milk and immunohistochemical evidence for the presence of LHRH-like activity in some human breast tumours, prompted us to test whether LHRH agonists could have direct antitumour effects. We now report major direct effects of LHRH and its agonists on the growth of breast tumour cells in culture.
journal_name
Naturejournal_title
Natureauthors
Miller WR,Scott WN,Morris R,Fraser HM,Sharpe RMdoi
10.1038/313231a0subject
Has Abstractpub_date
1985-01-17 00:00:00pages
231-3issue
5999eissn
0028-0836issn
1476-4687journal_volume
313pub_type
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