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Effects of intestinal insulin‐like peptide on glucose catabolism in male adult Locusta migratoria
Author(s) -
Khay A. Ben,
Gourdoux L.,
Moreau R.,
Dutrieu J.
Publication year - 1987
Publication title -
archives of insect biochemistry and physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.576
H-Index - 66
eISSN - 1520-6327
pISSN - 0739-4462
DOI - 10.1002/arch.940040309
Subject(s) - biology , catabolism , insulin , medicine , endocrinology , glycolysis , pentose , biochemistry , peptide , midgut , metabolism , carbohydrate metabolism , citric acid cycle , larva , botany , fermentation
An insulin‐like peptide (ILP) extracted from midgut of 25‐day‐old male adult Locusta migratoria can modify the relative activity of the two main pathways of glucose catabolism. The effect of ILP on the activity of the pentose cycle and the glycolytic‐citric acid cycle in Locusta migratoria was evaluated by a radiorespirometric method by means of [1‐ 14 C] glucose and [6‐ 14 C]glucose as substrates. The time course of the ILP effect was determined. The insulin‐like peptide increases the relative activity of the pentose cycle. This effect is rapid and of short duration. Injected mammalian insulin has a similar effect.