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Broadie Laboratory

The hereditary spastic paraplegia gene, spastin, regulates microtubule stability to modulate synaptic structure and function.

AUTHORS

Trotta NNick , Orso G Genny , Rossetto MG Maria Giovanna , Daga A Andrea , Broadie K Kendal . Current biology : CB. 2004 7 13; 14(13). 1135-47

ABSTRACT

Hereditary Spastic Paraplegia (HSP) is a devastating neurological disease causing spastic weakness of the lower extremities and eventual axonal degeneration. Over 20 genes have been linked to HSP in humans; however, mutations in one gene, spastin (SPG4), are the cause of >40% of all cases. Spastin is a member of the ATPases associated with diverse cellular activities (AAA) protein family, and contains a microtubule interacting and organelle transport (MIT) domain. Previous work in cell culture has proposed a role for Spastin in regulating microtubules.

Hereditary Spastic Paraplegia (HSP) is a devastating neurological disease causing spastic weakness of the lower extremities and eventual axonal degeneration. Over 20 genes have been linked to HSP in humans; however, mutations in one gene, spastin (SPG4), are the cause of >40% of all cases. Spastin is a member of the ATPases associated with diverse cellular activities (AAA) protein family, and contains a microtubule interacting and organelle transport (MIT) domain. Previous work in cell culture has proposed a role for Spastin in regulating microtubules.

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