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FEBS Lett. 1995 Sep 11;371(3):329-32.

Inhibition of pancreatic beta-cell glucokinase by antisense RNA expression in transgenic mice: mouse strain-dependent alteration of glucose tolerance.

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1
Third Department of Internal Medicine, Faculty of Medicine, University of Tokyo, Japan.

Abstract

We have generated transgenic mice, in either C57BL/6 or C3H background, expressing antisense glucokinase mRNA in beta-cells. The glucose phosphorylating activity at 60 mM glucose in transgenic islets was significantly lower than that in controls, and the insulin secretory response to glucose was lower in transgenic islets than in those of controls in both strains. Following i.p. glucose challenge, higher blood glucose levels were observed in transgenic mice than in controls in the C57BL/6 but not the C3H background. These data suggest that a beta-cell secretory defect, in combination with other undefined genetic factors, causes impaired glucose homeostasis in mice.

PMID:
7556622
DOI:
10.1016/0014-5793(95)00932-y
[Indexed for MEDLINE]
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