期刊
FEBS LETTERS
卷 490, 期 1-2, 页码 7-10出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0014-5793(01)02125-1
关键词
motilin; homology; precursor; distribution; thyroid
Motilin has never been isolated from rodents, the most frequently used laboratory animals, despite several attempts, We have isolated and sequenced the motilin precursor from duodenal mucosa of guinea pig (GenBank accession number AF323752) and studied its expression in several tissues, The percent homology with human motilin is the lowest yet observed due to several unique substitutions in the C-terminal end, As expected, the precursor was present in the gut mucosa with the exception of the gastric corpus, It was also present in medulla oblongata, nucleus of the solitary tract, hypophysis, spinal cord, hypothalamus, and cerebellum but not in the cerebral cortex, For the first time ne demonstrated motilin expression in the thyroid. (C) 2001 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
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