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Evidence of specific receptors for gastric inhibitory poly peptide

, : Evidence of specific receptors for gastric inhibitory poly peptide. Comptes Rendus des Seances de l'Academie des Sciences Serie III Sciences de la Vie 297(12): 563-566

Receptors for gastric inhibitory polypeptide (GIP) were characterized in particles enriched from plasma membranes obtained from a transplantable hamster insulinoma. Native GIP, at concentrations between 10-10-10-6 M, competitively inhibited the binding of 125I-GIP to membranes. The binding was highly specific since, among the peptides tested, only the porcine peptide having N-terminal histidine and C-terminal isoleucine amide (PHI), at high concentration (10-6 M), inhibited by 17% the binding of 125I-GIP. The existence of these receptors suggested that GIP could act directly on .beta.-cells.

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Sokolov, Pa, 1975: Determination of the crown phytomass in Tilia stands. Lesovedenie 52-57

Guise, J. W. B., 1969: Factors associated with variation in the aggregate average yield of New Zealand wheat (1918-1967). An apparently successful test of a " step function " hypothesis about the effect of technological change in the agricultural sector is reported. The effects of weather and other factors on wheat yields are also analysed. A notable featur...

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