Dexamethasone Rapidly Induces a Novel Ras Superfamily Member-related Gene in AtT-20 Cells
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Prepro-thyrotropin-releasing hormone 178-199 increases sensitivity of AtT-20 cells to dexamethasone.
The prepro-thyrotropin-releasing hormone (ppTRH)-derived peptide, ppTRH178-199, has been proposed to inhibit ACTH release at the level of the pituitary and attenuate prolactin and behavioral responses to stress as well. The objective of this study was to elucidate a possible link between the effects of ppTRH178-199 and glucocorticoids on the inhibition of ACTH release in corticotrophs. Compared...
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A strategy to suppress the expression of the DNA repair enzyme O6‑methylguanine‑DNA methyltransferase (MGMT) by inhibition of Wnt/β‑catenin signaling may be useful as a novel treatment for pituitary adenoma. Previous studies have reported that Tanshinone IIA (TSA), a major quinone compound isolated from Salvia miltiorrhiza, had antitumor effects. However, whether TSA has antitumor effects again...
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Corticotropin-releasing factor (CRF) plays a central role in the regulation of the hypothalamic-pituitary-adrenal axis, mediating endocrine and behavioral responses to various stressors. Two high-affinity receptors for CRF have been described. Although many of the intracellular signaling pathways activated by CRF have been studied extensively, our knowledge of transcriptional responses downstre...
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AtT-20 cells, which make and release beta-endorphin, or AtT-20/hENK cells, an AtT-20 cell line transfected with the human proenkephalin gene and secreting enkephalin as well as presumably beta-endorphin, were implanted in mouse spinal subarachnoid space. Cell implants did not affect the basal response to thermal nociceptive stimuli. Administration of isoproterenol, believed to stimulate secreti...
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We describe the isolation and characterization of a cDNA encoding maize (Zea mays L.) nucleoredoxin (NRX), a novel nuclear protein that is a member of the thioredoxin (TRX) superfamily. NRX is composed of three TRX-like modules arranged as direct repeats of the classic TRX domain. The first and third modules contain the amino acid sequence WCPPC, which indicates the potential for TRX oxidoreduc...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1998
ISSN: 0021-9258
DOI: 10.1074/jbc.273.6.3129