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Generation of a Mouse Model for Arginase II Deficiency by Targeted Disruption of the Arginase II Gene

Overview
Journal Mol Cell Biol
Specialty Cell Biology
Date 2001 Jan 12
PMID 11154268
Citations 72
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Abstract

Mammals express two isoforms of arginase, designated types I and II. Arginase I is a component of the urea cycle, and inherited defects in arginase I have deleterious consequences in humans. In contrast, the physiologic role of arginase II has not been defined, and no deficiencies in arginase II have been identified in humans. Mice with a disruption in the arginase II gene were created to investigate the role of this enzyme. Homozygous arginase II-deficient mice were viable and apparently indistinguishable from wild-type mice, except for an elevated plasma arginine level which indicates that arginase II plays an important role in arginine homeostasis.

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