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Hum Mutat. 2012 Oct;33(10):1435-8. doi: 10.1002/humu.22122. Epub 2012 Jun 7.

Autosomal recessive lethal congenital contractural syndrome type 4 (LCCS4) caused by a mutation in MYBPC1.

Author information

1
The Morris Kahn Laboratory of Human Genetics, National Institute for Biotechnology in the Negev, Ben Gurion University, Beer-Sheva, Israel.

Abstract

Autosomal recessive lethal congenital contractural syndrome (LCCS) is a severe form of neuromuscular arthrogryposis. We previously showed that this phenotype is caused in two unrelated inbred Bedouin tribes by different defects in the phosphatidylinositol pathway. However, the molecular basis of the same phenotype in other tribes remained elusive. Whole exome sequencing identified a novel LCCS founder mutation within a minimal shared homozygosity locus of approximately 1 Mb in two affected individuals of different tribes: a homozygous premature stop producing mutation in MYBPC1, encoding myosin-binding protein C, slow type. A dominant missense mutation in MYBPC1 was previously shown to cause mild distal arthrogryposis. We now show that a recessive mutation abrogating all functional domains in the same gene leads to LCCS.

PMID:
22610851
DOI:
10.1002/humu.22122
[Indexed for MEDLINE]

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