The Herc1 gene in neurobiology.

Robert Lalonde, Catherine Strazielle

Gene 2022 Mar 10

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The function of the HERC1 gene has mainly been delineated by studying Herc1tbl (tambaleante) mutant mice, characterized by losses in cerebellar Purkinje cells, a lower number of synaptic vesicles in the hippocampus, and anomalies in climbing fiber projections from the inferior olive as well as alpha-motoneuron projections to the skeletal muscle. The salient behavioral phenotypes include cerebellar ataxia, a loss in motor coordination, muscle weakness, and spatial deficits. Similar neuropathological and behavioral profiles have been described in childhood-onset subjects with HERC1 variants, including cerebellar ataxia and hypotonia. Copyright © 2021. Published by Elsevier B.V.