نتایج جستجو برای: progesterone receptors
تعداد نتایج: 241696 فیلتر نتایج به سال:
It is becoming clear that steroid hormones act not only by binding to nuclear receptors that associate with specific response elements in the nucleus but also by binding to receptors on the cell membrane. In this newly discovered manner, steroid hormones can initiate intracellular signaling cascades which elicit rapid effects such as release of internal calcium stores and activation of kinases....
Estradici and progesterone receptors were assayed in tumors from 79 patients with primary colorectal and 56 patients with stomach adenocarcinomas. Eighteen of 79 colorectal cancers contained estradiol receptor, while 34 specimens were positive for progesterone receptor. In stomach cancer, the positive sam ples were 8 for estradiol and 14 for progesterone receptors. In both types of tumors, the ...
Studies on the neuroprotective and promyelinating effects of progesterone in the nervous system are of great interest due to their potential clinical connotations. In peripheral neuropathies, progesterone and reduced derivatives promote remyelination, axonal regeneration and the recovery of function. In traumatic brain injury (TBI), progesterone has the ability to reduce edema and inflammatory ...
Distinct proteins complexed with somatostatin and the somatostatin analogue BIM-23014C were revealed in human breast cancer cells using the cross-linking assay. One BIM-23014C-specific complex (Mr 57,000) was observed in MCF-7 (monolayer, nodule, and tumor) and T47D. Growth inhibition of MCF-7 tumor xenografts by BIM-23014C was dose related in the 6-day subrenal capsule assay. Three complexes (...
in ER-positive tumors would indicate that the tumor is capa ble of synthesizing at least 1 end product under estrogen regulation and may therefore be endocrine responsive (8). Although the hypothesis assumes that PGR levels in breast tumors, like those in the uterus, are under estrogen control, this priming effect has never been demonstrated. In this paper we show that PGR in the DMBA-induced m...
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