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  • 1
    Electronic Resource
    Electronic Resource
    Effects of intestinal insulin-like peptide on glucose catabolism in male adult Locusta migratoria (1987)
    New York, NY [u.a.] : Wiley-Blackwell
    Archives of Insect Biochemistry and Physiology 4 (1987), S. 233-239 
    Details
    ISSN: 0739-4462
    Keywords: pentase cycle ; radiorespirometric method ; Chemistry ; Food Science, Agricultural, Medicinal and Pharmaceutical Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: 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 [1-14C] glucose and [6-14C]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.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/arch.940040309
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Neuroparsin: A new energetic neurohormone in the African locust (1988)
    New York, NY [u.a.] : Wiley-Blackwell
    Archives of Insect Biochemistry and Physiology 8 (1988), S. 135-145 
    Details
    ISSN: 0739-4462
    Keywords: Locusta migratoria ; neuroparsin ; corpora cardiaca ; trehalose ; glycogen ; lipid ; adipokinetic hormone ; Chemistry ; Food Science, Agricultural, Medicinal and Pharmaceutical Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: The effects of neuroparsins on hemolymph trehalose and lipid levels and on total glycogen content were analyzed in Locusta migratoria. Saline and methanol extracts of the two lobes of the corpora cardiaca were assayed. Neuroparsins (A and B) were demonstrated to be hypertrehalosemic and hyperlipemic proteins of the neural lobe. Both of these metabolic activities of neuroparsins were somewhat less potent than those of adipokinetic hormone (AKH). Neuroparsin activity could be distinguished from AKH by blockage with an antiserum specific to neuroparsin. The hypertrehalosemic response induced by neuroparsins, in contrast to that of AKH, appeared to occur without a decrease of total glycogen content. The differential modes of action of AKH and neuroparsins could contribute to the fine modulation of carbohydrate metabolism in Locusta migratoria.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/arch.940080207
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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