LIS1: Proteins and Enzymes

Lissencephaly (LIS), literally meaning smooth brain, has multiple causes. Agyria, i.e., brain without convolutions or gyri, was considered a rare malformation until recent progress in neuroradiology. With this technical advantage, a number of lissencephaly syndromes have been distinguished. Classic lissencephaly (type I) is a brain malformation caused by abnormal neuronal migration at 9 to 13 weeks' gestation, resulting in a spectrum of agyria, mixed agyria / pachygyria, and pachygyria. It is ...