Mutations in FUS, an RNA Processing Protein, Cause Familial Amyotrophic Lateral Sclerosis Type 6

Author:

Vance Caroline12345,Rogelj Boris12345,Hortobágyi Tibor12345,De Vos Kurt J.12345,Nishimura Agnes Lumi12345,Sreedharan Jemeen12345,Hu Xun12345,Smith Bradley12345,Ruddy Deborah12345,Wright Paul12345,Ganesalingam Jeban12345,Williams Kelly L.12345,Tripathi Vineeta12345,Al-Saraj Safa12345,Al-Chalabi Ammar12345,Leigh P. Nigel12345,Blair Ian P.12345,Nicholson Garth12345,de Belleroche Jackie12345,Gallo Jean-Marc12345,Miller Christopher C.12345,Shaw Christopher E.12345

Affiliation:

1. Department of Clinical Neuroscience, King's College London, Medical Research Council (MRC) Centre for Neurodegeneration Research, Institute of Psychiatry, London SE5 8AF, UK.

2. Department of Neuroscience, King's College London, MRC Centre for Neurodegeneration Research, Institute of Psychiatry, London SE5 8AF, UK.

3. Northcott Neuroscience Laboratory, Australian and New Zealand Army Corps (ANZAC) Research Institute, Concord, NSW 2139, Australia.

4. Molecular Medicine Laboratory, Concord Hospital, Concord, NSW 2139, Australia.

5. Faculty of Medicine, University of Sydney, Sydney, NSW 2139, Australia.

Abstract

Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease that is familial in 10% of cases. We have identified a missense mutation in the gene encoding fused in sarcoma (FUS) in a British kindred, linked to ALS6. In a survey of 197 familial ALS index cases, we identified two further missense mutations in eight families. Postmortem analysis of three cases with FUS mutations showed FUS-immunoreactive cytoplasmic inclusions and predominantly lower motor neuron degeneration. Cellular expression studies revealed aberrant localization of mutant FUS protein. FUS is involved in the regulation of transcription and RNA splicing and transport, and it has functional homology to another ALS gene, TARDBP , which suggests that a common mechanism may underlie motor neuron degeneration.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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