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Cancer Res 44(10):42174223 Niida S, Kawahara M, Ishizuka Y, Ikeda Y, Kondo T, Hibi T, Suzuki Y, Ikeda K, Taniguchi N (2004) Gamma-glutamyltranspeptidase stimulates receptor activator of nuclear factor-kappaB ligand expression independent of its enzymatic activity and serves as a pathological bone-resorbing factor

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Some clinical features of lead poisoning are similar to those of certain genetic mutations that result in pyrimidine excess due to enzyme deficiency

PloS one.2012;7(8):e43074

Exendin-4 stimulates both beta-cell replication and neogenesis, resulting in increased beta-cell mass and improved glucose tolerance in diabetic rats

Its used directly within the mitochondria and required for energy production