Title : Histamine activates proenkephalin A mRNA but not phenylethanolamine N-methyltransferase mRNA expression in cultured bovine adrenal chromaffin cells.

Pub. Date : 1989 May 11

PMID : 2767138






7 Functional Relationships(s)
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1 Histamine activates proenkephalin A mRNA but not phenylethanolamine N-methyltransferase mRNA expression in cultured bovine adrenal chromaffin cells. Histamine proenkephalin Bos taurus
2 The effects of histamine on the regulation of proenkephalin A (ProEnk A) and phenylethanolamine N-methyltransferase (PNMT) mRNA expression were examined in cultures of bovine adrenal chromaffin cells. Histamine proenkephalin Bos taurus
3 The effects of histamine on the regulation of proenkephalin A (ProEnk A) and phenylethanolamine N-methyltransferase (PNMT) mRNA expression were examined in cultures of bovine adrenal chromaffin cells. Histamine proenkephalin Bos taurus
4 Prolonged incubation with histamine resulted in a concentration-dependent increase in the levels of ProEnk A mRNA with little effect on the levels of PNMT mRNA. Histamine proenkephalin Bos taurus
5 The activation of ProEnK A mRNA by histamine followed a slow time course, reaching 2-3 fold basal levels after 48 h incubation. Histamine proenkephalin Bos taurus
6 In the presence of the calcium channel blocker D600, the histamine-induced increase in ProEnk A mRNA was greatly reduced, though not abolished. Histamine proenkephalin Bos taurus
7 The differential effects of histamine on ProEnk A mRNA and PNMT mRNA expression suggest that different regulatory mechanisms are called upon to regulate the synthesis of opioid peptides and adrenaline in response to stimulation of the chromaffin cells. Histamine proenkephalin Bos taurus