LIS1 Lissencephaly gene CNS expression: Relation to neuronal migration
Journal Article
·
· American Journal of Human Genetics
OSTI ID:133863
- Weizmann Institute of Science, Rehovot (Israel)
- Weizmann Institute of Science, Rehovot (Israel); and others
Lis1 is the murine gene corresponding to human LIS1 gene involved in Miller-Dieker lissencephaly located on chromosome 17p13.3 as demonstrated by cDNA cloning, sequence analysis and genetic mapping. Lis1 expression was studied in developing mouse brain using in situ hybridization. At embryonic day 15, Lis1 expression was most prominently localized in the neuronal layer of the retina, the developing hippocampus, doral root ganglia, cranial ganglia and the thalamus. At postnatal day 5 a unique pattern of expression was detected in the developing cerebellum. Lis1 was expressed at high levels in the Purkinje cell layer when the granule cells were migrating through the Purkinje cell layer inwards. The expression of Lis1 in Purkinje cells in the adult is markedly reduced. Similarly, Lis1 was expressed in the ontogenetically older layers of the neocortex (layers 5 and 6) where younger neurons have to migrate through to settle in the superficial layers. Thus, at both sites a link between expression and neuronal migration was demonstrated. These studies on the expression pattern of Lis1 could be useful in understanding abnormalities in Miller-Dieker lissencephaly syndrome (MDS) patients.
- OSTI ID:
- 133863
- Report Number(s):
- CONF-941009--
- Journal Information:
- American Journal of Human Genetics, Journal Name: American Journal of Human Genetics Journal Issue: Suppl.3 Vol. 55; ISSN AJHGAG; ISSN 0002-9297
- Country of Publication:
- United States
- Language:
- English
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