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Lissencephaly associated mutations suggest a requirement for the PAFAH1B heterotrimeric complex in brain development.

MPG-Autoren
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Eichele,  G.
Department of Molecular Embryology, Max Planck Institute for Experimental Endocrinology, Max Planck Society;

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http://pdn.sciencedirect.com/science?_ob=MiamiImageURL&_cid=271193&_user=38661&_pii=S0925477300002422&_check=y&_origin=article&_zone=toolbar&_coverDate=01-Apr-2000&view=c&originContentFamily=serial&wchp=dGLzVBA-zSkWb&md5=b23e1a9d342db34771cddbcd3b2e9cc9&pid=1-s2.0-S0925477300002422-main.pdf
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Zitation

Sweeney, K. J., Clark, G. D., Prokscha, A., Dobyns, W. B., & Eichele, G. (2000). Lissencephaly associated mutations suggest a requirement for the PAFAH1B heterotrimeric complex in brain development. Mechanisms of Development, 92(2), 263-271. doi:10.1016/S0925-4773(00)00242-2.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0010-2624-5
Zusammenfassung
Human brain malformations, such as Miller-Dieker syndrome (MDS) or isolated lissencephaly sequence (ILS) may result from abnormal neuronal migration during brain development. MDS and ILS patients have a hemizygous deletion or mutation in the LIS1 gene (PAFAH1B1), therefore, the LIS1 encoded protein (Lis1) may play a role in neuronal migration. Lis1 is a subunit of a brain platelet-activating factor acetylhydrolase (PAFAH1B) where it forms a heterotrimeric complex with two hydrolase subunits, referred to as 29 kDa (PAFAH1B3) and 30 kDa (PAFAH1B2). In order to determine whether this heterotrimer is required for the developmental functions of PAFAH1B, we examined the binding properties of 29 and 30 kDa subunits Co mutant Lis1 proteins. The results defined the critical regions of Lisl for PAFAH1B complex formation and demonstrated that all human LIS1 mutations examined resulted in abolished or reduced capacity of Lis1 to interact with the 29 and 30 kDa subunits, suggesting that the PAFAH1B complex participates in the process of neuronal migration.