期刊
JOURNAL OF INTERNAL MEDICINE
卷 264, 期 2, 页码 128-142出版社
WILEY
DOI: 10.1111/j.1365-2796.2008.01976.x
关键词
chronic obstructive pulmonary disease; epithelium; extracellular matrix; oestrogen receptor; prostate cancer; SERMs
For the past 10 years it is known that oestrogen functions through the activation of two oestrogen receptors (ER alpha and ER beta). To the great surprise of endocrinologists, ER beta was found to be widely distributed in tissues throughout the body including tissues previously considered as 'oestrogen insensitive'. The epithelium of the ventral prostate and lung as well as ovarian granulosa cells are ER alpha-negative but ER beta-positive and in these tissues ER beta seems to be involved in important physiological processes, like differentiation, extracellular matrix organization and stromal-epithelial communication. In tissues where both ERs are expressed, the two receptors seem to counteract each other. In the uterus, mammary gland and immune system, ER alpha promotes proliferation whereas ER beta has pro-apoptotic and pro-differentiating functions. The challenge of the future will be to develop specific agonists, which can selectively activate/inactivate either ER alpha or ER beta. These pharmaceuticals are likely to be of clinical importance in the prevention or treatment of various diseases.
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