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Assignment of a gene (NEMI) for autosomal dominant nemaline myopathy to chromosome I

Laing, N.G., Majda, B.T., Akkari, P.A., Layton, M.G., Mulley, J.C., Phillips, H., Haan, E.A., White, S.J., Beggs, A.H., Kunkel, L.M., Groth, D.M., Boundy, K.L., Kneebone, C.S., Blumberg, P.C., Wilton, S.D., Speer, M.C. and Kakulas, B.A. (1992) Assignment of a gene (NEMI) for autosomal dominant nemaline myopathy to chromosome I. American Journal of Human Genetics, 50 (3). pp. 576-583.

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Abstract

Nemaline myopathy (NEM) is a neuromuscular disorder characterized by the presence, in skeletal muscle, of nemaline rods composed at least in part of α-actinin. A candidate gene and linkage approach was used to localize the gene (NEM1) for an autosomal dominant form (MIM 161800) in one large kindred with 10 living affected family members. Markers on chromosome 19 that were linked to the central core disease gene, a marker at the complement 3 locus, and a marker on chromosome 1 at the α-actinin locus exclude these three candidate genes. The family was fully informative for APOA2, which is localized to 1q21-q23. NEM1 was assigned to chromosome 1 by close linkage for APOA2, which is localized to 1q21-q23. NEM1 was assigned to chromosome 1 by close linkage to APOA2, with a lod score of 3.8 at a recombination fraction of 0. Recombinants with NGFB (1p13) and AT3 (1q23-25.1) indicate that NEM1 lies between 1p13 and 1q25.1. In total, 47 loci were investigated on chromosomes 1, 2, 4, 5, 7–11, 14, 16, 17, and 19, with no indications of significant linkage other than to markers on chromosome 1.

Publication Type: Journal Article
Publisher: Elsevier
Copyright: 1992 The American Society of Human Genetics
URI: http://researchrepository.murdoch.edu.au/id/eprint/21855
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