نتایج جستجو برای: progesterone receptor
تعداد نتایج: 605080 فیلتر نتایج به سال:
Expression of the GABA(A) pi receptor has been described previously in the human endometrium in both luminal epithelium and stroma. Its expression is increased during decidualization in rodents and in the implantation window of human endometrium. Here we localized GABA pi subunit receptor protein in human endometrium and identified regulators of gene expression and activation. GABA(A) pi was lo...
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 ...
Antagonist action of progesterone at σ-receptors in the modulation of voltage-gated sodium channels.
σ-Receptors are integral membrane proteins that have been implicated in a number of biological functions, many of which involve the modulation of ion channels. A wide range of synthetic ligands activate σ-receptors, but endogenous σ-receptor ligands have proven elusive. One endogenous ligand, dimethyltryptamine (DMT), has been shown to act as a σ-receptor agonist. Progesterone and other steroid...
Background: The female breast is subjected to a lifetime of hormonal controls, whose effect is evident at the time of menarche and during the menstrual cycle, pregnancy and lactation. Studies have reported multiple risk factors for breast cancer, some of which are a reflection of hormonally mediated events. The steroid receptors are also served as prognostic factors for evaluating status of mal...
PURPOSE The purpose of this research was to determine whether estrogen receptor alpha specifically phosphorylated at Ser(118) is associated with clinical outcome in primary breast tumors from estrogen receptor-positive and node-negative breast cancer patients. EXPERIMENTAL DESIGN Estrogen receptor alpha specifically phosphorylated at Ser(118) was determined by immunohistochemistry in 117 prim...
Quiescent full-grown Xenopus oocytes remain arrested at the G(2)/M border of meiosis I until exposed to progesterone, their natural mitogen. Progesterone triggers rapid, nontranscriptional responses that lead to the translational activation of stored mRNAs, resumption of the meiotic cell cycles, and maturation of the oocyte into a fertilizable egg. It has long been presumed that progesterone ac...
BACKGROUND The transport of gametes as well as the zygote is facilitated by motile cilia lining the inside of the fallopian tube. Progesterone reduces the ciliary beat frequency within 30 minutes in both cows and mice. This rapid reduction suggest the involvement of a non-genomic signaling mechanism, although it is not known which receptors that are involved. Here we investigated the possible i...
Sadeghi H, Taylor HS. HOXA10 regulates endometrial GABAA receptor expression and membrane translocation. Am J Physiol Endocrinol Metab 298: E889 –E893, 2010. First published January 26, 2010; doi:10.1152/ajpendo.00577.2009.—Expression of the GABAA receptor has been described previously in the human endometrium in both luminal epithelium and stroma. Its expression is increased during decidualiza...
AIM To examine proliferative activity using the Ki-67 protein, oestrogen receptor protein, and progesterone receptor protein expression in the rete ovarii, and to make comparisons with their expression in endometriosis. METHODS Immunohistochemistry was used to study the rete ovarii in 24 cases and endometriosis in seven cases, using antibodies to Ki-67 protein (growth fraction (GF) quantified...
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