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PAX6 haploinsufficiency causes cerebral malformation and olfactory dysfunction in humans
S M Sisodiya1, S L Free, K A Williamson
1Epilepsy Research Group, University Department of Clinical Neurology, Institute of Neurology, University College London, Queen Square, London WC1N 3BG, UK. sisodiya@ion.ucl.ac.uk
Nature Genetics
|June 30, 2001
Abstract:
PAX6 is widely expressed in the central nervous system. Heterozygous PAX6 mutations in human aniridia cause defects that would seem to be confined to the eye. Magnetic resonance imaging (MRI) and smell testing reveal the absence or hypoplasia of the anterior commissure and reduced olfaction in a large proportion of aniridia cases, which shows that PAX6 haploinsuffiency causes more widespread human neuro developmental anomalies.