Miller-Dieker lissencephaly gene encodes a subunit of brain platelet-activating factor (original) (raw)
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- Published: 21 July 1994
Nature volume 370, pages 216–218 (1994)Cite this article
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An Erratum to this article was published on 04 August 1994
Abstract
PLATELET-ACTIVATING factor (PAF) is involved in a variety of biological and pathological processes1 and PAF acetylhydrolase, which inactivates PAF by removing the acetyl group at the _sn_-2 position, is widely distributed in plasma and tissue cytosols2,3. One isoform of PAF acetylhydrolase present in bovine brain cortex is a heterotrimer comprising subunits with relative molecular masses of 45K, 30K and 29K (ref. 4). We have now isolated the comple-mentary DNA for the 45K subunit. Sequence analysis revealed a striking identity (99%) of the subunit with a protein encoded by the causative gene (LIS-1) for Miller-Dieker lissencephaly5, a human brain malformation manifested by a smooth cerebral surface and abnormal neuronal migration. This indicates that the LIS-1 gene product is a human homologue of the 45K subunit of intracellular PAF acetylhydrolase. Our results raise the possibility that PAF and PAF acetylhydrolase are important in the formation of the brain cortex during differentiation and development.
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Authors and Affiliations
- Department of Health Chemistry, Faculty of Pharmaceutical Sciences, University of Tokyo, Bunkyo-ku, Tokyo, 113, Japan
Mitsuharu Hattori, Hiroyuki Arai & Keizo Inoue - Suntory Institute for Biomedical Research, Mishima, Osaka, 618, Japan
Hideki Adachi & Masafumi Tsujimoto
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- Mitsuharu Hattori
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Hattori, M., Adachi, H., Tsujimoto, M. et al. Miller-Dieker lissencephaly gene encodes a subunit of brain platelet-activating factor.Nature 370, 216–218 (1994). https://doi.org/10.1038/370216a0
- Received: 25 April 1994
- Accepted: 16 June 1994
- Issue Date: 21 July 1994
- DOI: https://doi.org/10.1038/370216a0