Endocrine Abstracts

Oestrogens act via oestrogen receptors (ER) that are expressed in a wide range of tissues including the vasculature, bone and gonads. Two ER genes known as ERalpha and ERbeta have been identified. In the human splice variants of ERbeta have been identified. ERs form both homodimers and heterodimers upon ligand binding. The aim of the present experiments was to study the functional activity of ERbeta1 (wild type) and ERbeta variant (ERbeta2) in single and double transfection as...

Background: The ACE I/D polymorphism of the ACE gene, associated with cardiovascular risk and athletic performance, accounts for half the variation in resting ACE. DD subjects have the greatest, ID intermediate, and II subjects the lowest serum ACE. Exercise stimulates the renin-angiotensin system, producing a rise in angiotensin II. 3 small (n=6-8) lab studies suggest serum ACE does not change with exercise, despite a rise in angiotensin II, whereas 2 other studies have demon...