Depolarization regulates adrenal preproenkephalin mRNA.
نویسندگان
چکیده
منابع مشابه
Denervation of rat adrenal glands markedly increases preproenkephalin mRNA.
The effect of denervation on the expression of rat adrenal proenkephalin has been examined. Following splanchnicectomy there was a several-fold increase in the steady-state levels of preproenkephalin mRNA, which became maximal after 24-48 hr (greater than 10-fold). These results indicate that the previously observed increase in rat adrenal enkephalin-containing peptides following denervation oc...
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Expression of preproenkephalin mRNA by developing glia and neurons was examined in cultures of embryonic and neonatal rat brain. Cultured glia from specific regions of embryonic day 17 and neonatal day 1 rat brain were identified as astrocytes on the basis of both morphology and expression of immunoreactivity for glial fibrillary acidic protein. The level of preproenkephalin mRNA in cultured ne...
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A cDNA-clone library was constructed from poly-adenylated RNA of Fischer rat striatum and screened for inserts coding for the enkephalin precursor preproenkephalin. The insert of one positive clone, pRPE2, was sequenced and found to contain the coding sequence (810 bases), as well as 316 and 155 bases of the 3' and 5' untranslated regions, respectively, of rat preproenkephalin mRNA. The primary...
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Hair cells and auditory nerve dendrites in the inner ear are innervated by pontine neurons that have been demonstrated by immunochemical techniques to contain several neurotransmitters, including acetylcholine and the opioid peptide enkephalins and dynorphins. The functions of these nerve fibers are not known, but may involve modifying auditory sensitivity to low intensity stimuli. In the guine...
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The enkephalins are derived from a common precursor protein known as preproenkephalin (ppENK). Enkephalins appear to be one of the endogenous ligands for the opiate receptors. In the rat the ventricular myocardium contains more ppENK mRNA than any other tissue. To gain further insight into the role of cardiac enkephalins, the regional and developmental distribution of ppENK mRNA was studied by ...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1985
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.82.23.8252