Amyloid precursor protein modulates macrophage phenotype and diet-dependent weight gain

Kendra L. Puig, Stephen A. Brose, Xudong Zhou, Mary A. Sens, Gerald F. Combs, Michael D. Jensen, Mikhail Y. Golovko, Colin K. Combs

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9 Scopus citations

Abstract

It is well known that mutations in the gene coding for amyloid precursor protein are responsible for autosomal dominant forms of Alzheimer's disease. Proteolytic processing of the protein leads to a number of metabolites including the amyloid beta peptide. Although brain amyloid precursor protein expression and amyloid beta production are associated with the pathophysiology of Alzheimer's disease, it is clear that amyloid precursor protein is expressed in numerous cell types and tissues. Here we demonstrate that amyloid precursor protein is involved in regulating the phenotype of both adipocytes and peripheral macrophages and is required for high fat diet-dependent weight gain in mice. These data suggest that functions of this protein include modulation of the peripheral immune system and lipid metabolism. This biology may have relevance not only to the pathophysiology of Alzheimer's disease but also diet-associated obesity.

Original languageEnglish (US)
Article number43725
JournalScientific reports
Volume7
DOIs
StatePublished - Mar 6 2017

ASJC Scopus subject areas

  • General

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    Puig, K. L., Brose, S. A., Zhou, X., Sens, M. A., Combs, G. F., Jensen, M. D., Golovko, M. Y., & Combs, C. K. (2017). Amyloid precursor protein modulates macrophage phenotype and diet-dependent weight gain. Scientific reports, 7, [43725]. https://doi.org/10.1038/srep43725