4NNT, 1TOU, 1TOW, 2HNX, 2NNQ, 3FR2, 3FR4, 3FR5, 3P6C, 3P6D, 3P6E, 3P6F, 3P6G, 3P6H, 3Q6L, 3RZY, 4NNS, 5EDB, 5EDC, 5D48, 5D4A, 5D45, 5D47216711770ENSG00000170323ENSMUSG00000062515P15090P04117NM_001442NM_024406NP_001433NP_077717aP2 (adipocyte Protein 2)[5] is a carrier protein for fatty acids that is primarily expressed in adipocytes and macrophages.

aP2 is also called fatty acid binding protein 4 (FABP4).

Blocking this protein either through genetic engineering or drugs[6] has the possibility of treating heart disease and the metabolic syndrome.

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