期刊
BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS
卷 1770, 期 5, 页码 826-832出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbagen.2007.01.014
关键词
glyceraldehyde-3-phosphate dehydrogenase; catalytic activity; Alzheimer disease; animal models
Recently, a relationship between glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and the beta-amyloid precursor protein (LAPP) in relationship with the pathogenesis of Alzheimer's disease (AD) has been suggested. Therefore, we studied the specific activity of GAPDH in the, different animal models of AD: transgenic mice (Tg2576) and rats treated with beta-amyloid, or thiorphan, or lipopolysaccharides (LPS) and interferon gamma (INF gamma). We observed that GAPDH activity was significantly decreased in the brain samples from TG mice. The injection of beta-amyloid, or thiorphan, an inhibitor of neprilysin involved in beta-amyloid catabolism, in rat brains resulted in a pronounced reduction of the enzyme activity. The infusion of LPS and IFN gamma, which can influence the progression of the AD, significantly reduced the enzyme activity. (c) 2007 Elsevier B.V. All rights reserved.
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