Proteolytic inactivation of substance P in the epithelial layer of the intestine
Biochemical Pharmacology, ISSN: 0006-2952, Vol: 34, Issue: 22, Page: 4019-4023
1985
- 17Citations
- 2Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations17
- Citation Indexes17
- 17
- CrossRef16
- Captures2
- Readers2
Article Description
Metabolites of substance P, produced by incubation with isolated epithelial cells and with purified brush border and basolateral membrane from pig small intestine, were isolated by high performance liquid chromatography and identified by amino acid analysis. Rapid cleavages between Gln 6 -Phe 7, Phe 7 -Phe 8 and Gly 9 -Leu 10 and oxidation of the methionine residue at position 11 were observed with cells and with both membrane fractions. Formation of substance P 3−11 indicative of the action of dipeptidylaminopeptidase IV (EC 3.4.14.5), was observed only at high substrate concentration. Proteolytic degradation was inhibited by phosphoramidon and by EDTA but was insensitive to chloride ion concentration and to captopril. These observations suggest that inactivation of substance P in the epithelial layer of the gut is mediated through endopeptidase-24.11 (EC 3.4.24.11) in the cell-surface membrane and that degradation by angiotensin-converting enzyme (EC3.4.15.1), although present in high concentration in the mucosa, is unimportant.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/000629528590382X; http://dx.doi.org/10.1016/0006-2952(85)90382-x; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0022343335&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/2415132; http://linkinghub.elsevier.com/retrieve/pii/000629528590382X; http://api.elsevier.com/content/article/PII:000629528590382X?httpAccept=text/xml; http://api.elsevier.com/content/article/PII:000629528590382X?httpAccept=text/plain; https://linkinghub.elsevier.com/retrieve/pii/000629528590382X; http://dx.doi.org/10.1016/0006-2952%2885%2990382-x; https://dx.doi.org/10.1016/0006-2952%2885%2990382-x
Elsevier BV
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