ArticleNeurochemical research2011
Proline-rich cytokine from neurosecretory granules: a new natural substrate for dipeptidyl peptidase IV.
Article in Neurochemical research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 7 citations in OpenAlex.
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A proline-rich cytokine from neurosecretory granules of bovine neurohypophysis, 15 amino acids containing PRP-1 (Ala-Gly-Ala-Pro-Glu-Pro-Ala-Glu-Pro-Ala-Gln-Pro-Gly-Val-Tyr), had been demonstrated as a unique regulator of activity of neurons, strong antibacterial agent, and mediator of the hypothalamus-neurohypophysis-bone marrow-thymus axis, which participates in hematopoietic stem cells differentiation. In the present work it was shown that this neuropeptide represents a new natural substrate for Dipeptidyl Peptidase IV (DPPIV). The time-dependent increase of primary amines quantity in the assay mixture of PRP-1 and DPPIV has been observed allowing to conclude, that DPPIV catalyses the enzymatic reaction of PRP-1 cleavage. The amount of primary amines in the assay mixtures was evaluated using o-phtaldialdehyde dye. The gel-filtration and paper electrophoresis analyses proved this conclusion. The catalytic parameters of catalyzed by DPPIV enzymatic reaction of PRP-1 cleavage were determined as: V(max) = 1.27 ± 0.11 nmol/min and K(m) = 0.38 ± 0.1 mM.
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