Chapter title |
Inhibition of cell division and stimulation of progesterone receptor synthesis in rat oestrogen target tissues by non-steroidal antioestrogens.
|
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Chapter number | 7 |
Book title |
Steroid Hormone Receptor Systems
|
Published in |
Advances in experimental medicine and biology, January 1979
|
DOI | 10.1007/978-1-4757-6589-2_7 |
Pubmed ID | |
Book ISBNs |
978-1-4757-6591-5, 978-1-4757-6589-2
|
Authors |
V. C. Jordan, C. J. Dix, G. Prestwich, Jordan, V. C., Dix, C. J., Prestwich, G. |
Abstract |
Recent studies from this laboratory have demonstrated oestradiol-oestrogen receptors associated with the nuclear compartment of the rat uterine cell will initiate protein synthesis, as evidenced by a rise in progesterone receptor concentrations, and cell division whereas the anti-oestrogen - oestrogen receptor complex causes protein synthesis and cellular hypertrophy rather than hyperplasia. It is probable that this separation of biological activities resides in the intrinsic activity of the respective receptor complexes. We have demonstrated that caution should be exercised in the interpretation of low affinity ligand-hormone receptor interactions undertaken in vitro. Simple tests for ligand specificity for a binding protein are clearly insufficient evidence to characterise a hormone receptor complex using a conventional 15 hr technique of sucrose density gradient analysis. Oestrogens and anti-oestrogens do not seem to disrupt the subunit integrity of the cytoplasmic oestrogen receptor and it appears likely that the ligand plays a fundamental role in confering the correct biological properties to the hormone receptor complex. |
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Demographic breakdown
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Professor | 2 | 50% |
Student > Bachelor | 1 | 25% |
Researcher | 1 | 25% |
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