RGD Reference Report - Mutant chromatin remodeling protein SMARCAL1 causes Schimke immuno-osseous dysplasia. - Rat Genome Database

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Mutant chromatin remodeling protein SMARCAL1 causes Schimke immuno-osseous dysplasia.

Authors: Boerkoel, CF  Takashima, H  John, J  Yan, J  Stankiewicz, P  Rosenbarker, L  Andre, JL  Bogdanovic, R  Burguet, A  Cockfield, S  Cordeiro, I  Frund, S  Illies, F  Joseph, M  Kaitila, I  Lama, G  Loirat, C  McLeod, DR  Milford, DV  Petty, EM  Rodrigo, F  Saraiva, JM  Schmidt, B  Smith, GC  Spranger, J  Stein, A  Thiele, H  Tizard, J  Weksberg, R  Lupski, JR  Stockton, DW 
Citation: Boerkoel CF, etal., Nat Genet. 2002 Feb;30(2):215-20. Epub 2002 Jan 22.
RGD ID: 1599053
Pubmed: (View Article at PubMed) PMID:11799392
DOI: Full-text: DOI:10.1038/ng821

Schimke immuno-osseous dysplasia (SIOD, MIM 242900) is an autosomal-recessive pleiotropic disorder with the diagnostic features of spondyloepiphyseal dysplasia, renal dysfunction and T-cell immunodeficiency. Using genome-wide linkage mapping and a positional candidate approach, we determined that mutations in SMARCAL1 (SWI/SNF2-related, matrix-associated, actin-dependent regulator of chromatin, subfamily a-like 1), are responsible for SIOD. Through analysis of data from persons with SIOD in 26 unrelated families, we observed that affected individuals from 13 of 23 families with severe disease had two alleles with nonsense, frameshift or splicing mutations, whereas affected individuals from 3 of 3 families with milder disease had a missense mutation on each allele. These observations indicate that some missense mutations allow retention of partial SMARCAL1 function and thus cause milder disease.

Annotation

Disease Annotations    

Objects Annotated

Genes (Rattus norvegicus)
Smarcal1  (Swi/SNF related matrix associated, actin dependent regulator of chromatin, subfamily a-like 1)

Genes (Mus musculus)
Smarcal1  (SWI/SNF related matrix associated, actin dependent regulator of chromatin, subfamily a-like 1)

Genes (Homo sapiens)
SMARCAL1  (SWI/SNF related, matrix associated, actin dependent regulator of chromatin, subfamily a like 1)


Additional Information