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Bioscience, Biotechnology, and Biochemistry
Vol. 76 (2012) No. 12 p. 2289-2293

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http://doi.org/10.1271/bbb.120563

Biochemistry & Molecular Biology Regular Papers

Rare coding variants of ATP-binding cassette protein A13 (ABCA13) contribute to the risk of neurological disorders, but little is known about the physiological function of ABCA13 and how single nucleotide polymorphisms (SNPs) affect it. Here, we examined the effects of neurological disorder–related SNPs ABCA13, T4031A and R4843C in the context of ABCA1, and found that the former SNP (T1088A in ABCA1) severely impaired the ABCA1 functions of apolipoprotein A-I (apoA-I) binding and cholesterol efflux. The antibody against mouse ABCA13 reacted with neurons in the cerebral cortex, hippocampus, and cerebellum. These results suggest that the T4031A replacement affects the function of ABCA13 in the brain.

Copyright © 2012 by Japan Society for Bioscience, Biotechnology, and Agrochemistry

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