期刊
FEBS LETTERS
卷 591, 期 18, 页码 2745-2760出版社
WILEY
DOI: 10.1002/1873-3468.12787
关键词
N-acylethanolamine; N-acyl-plasmalogen; peroxisome
资金
- Japan Society for the Promotion of Science [15K08278, 17K01852, 16K08589]
- Grants-in-Aid for Scientific Research [15K08278, 16K08589, 17K01852] Funding Source: KAKEN
The H-Ras-like suppressor (HRASLS) is a protein family consisting of five members in humans. Despite their discovery as tumor suppressors, we demonstrated that all these proteins are phospholipid-metabolizing enzymes, such as phospholipase (PL) A(1)/A(2) and acyltransferase. We thus proposed to rename HRASLS1-5 as PLA/acyltransferase (PLAAT)-1-5. Notably, PLAATs exhibit N-acyltransferase activity to biosynthesize N-acylated ethanolamine phospholipids, including N-acyl-plasmalogen, which serve as precursors of bioactive N-acylethanolamines. Furthermore, the overexpression of PLAAT-3 in animal cells causes disappearance of peroxisomes and a remarkable reduction in plasmalogen levels. This finding might be related to the inhibitory effect of PLAAT-3 on the chaperone activity of the peroxin PEX19. In this article, we will review our recent findings about PLAAT proteins, with special reference to their roles in peroxisome biogenesis and plasmalogen metabolism.
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