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大鼠唾液腺中β-肾上腺素能诱导半胱氨酸蛋白酶抑制剂mRNA的产生。

Beta-adrenergic induction of a cysteine-proteinase-inhibitor mRNA in rat salivary glands.

作者信息

Shaw P A, Barka T

机构信息

Department of Anatomy, Mount Sinai School of Medicine, New York, NY 10029.

出版信息

Biochem J. 1989 Feb 1;257(3):685-9. doi: 10.1042/bj2570685.

Abstract

Transcripts encoding the cysteine-proteinase inhibitor rat cystatin S are induced in submandibular and parotid glands by the beta-adrenergic agonist isoproterenol (isoprenaline). High levels of cystatin S mRNA persist in glands of chronically treated animals for 6 days after discontinuation of the catecholamine, indicating a long half-life of the mRNA. Post-transcriptionally the size of the mRNA decreases, owing to a shortening of the poly(A) tail.

摘要

编码半胱氨酸蛋白酶抑制剂大鼠胱抑素S的转录本,在颌下腺和腮腺中被β-肾上腺素能激动剂异丙肾上腺素(喘息定)诱导产生。在停用儿茶酚胺后,慢性处理动物的腺体中高水平的胱抑素S mRNA持续存在6天,这表明该mRNA具有较长的半衰期。转录后,由于多聚腺苷酸尾的缩短,mRNA的大小减小。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3351/1135642/8204d760ac2e/biochemj00214-0068-a.jpg

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