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    Nat Genet. 2005 Dec;37(12):1309-11. Epub 2005 Nov 13.

    The gene disrupted in Marinesco-Sjögren syndrome encodes SIL1, an HSPA5 cochaperone.

    Anttonen AK, Mahjneh I, Hämäläinen RH, Lagier-Tourenne C, Kopra O, Waris L, Anttonen M, Joensuu T, Kalimo H, Paetau A, Tranebjaerg L, Chaigne D, Koenig M, Eeg-Olofsson O, Udd B, Somer M, Somer H, Lehesjoki AE.

    Folkhälsan Institute of Genetics and Neuroscience Center, University of Helsinki, PO Box 63, FI-00014 Helsinki, Finland.

    Comment in:

    We identified the gene underlying Marinesco-Sjögren syndrome, which is characterized by cerebellar ataxia, progressive myopathy and cataracts. We identified four disease-associated, predicted loss-of-function mutations in SIL1, which encodes a nucleotide exchange factor for the heat-shock protein 70 (HSP70) chaperone HSPA5. These data, together with the similar spatial and temporal patterns of tissue expression of Sil1 and Hspa5, suggest that disturbed SIL1-HSPA5 interaction and protein folding is the primary pathology in Marinesco-Sjögren syndrome.

    PMID: 16282978 [PubMed - indexed for MEDLINE]

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