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Am J Hum Genet. 2003 Feb;72(2):375-83. Epub 2002 Dec 31.

Cold-induced sweating syndrome is caused by mutations in the CRLF1 gene.

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Center for Medical Genetics and Molecular Medicine, University of Bergen, Norway.


In 1978, Sohar et al. described a strikingly peculiar syndrome in two Israeli sisters. These young women responded to environmental temperatures of 18 degrees C-7 degrees C with profuse sweating on large segments on their back and chest. Both had additional abnormalities, including a high-arched palate, nasal voice, depressed nasal bridge, inability to fully extend their elbows, and kyphoscoliosis. We have observed this disorder in two Norwegian brothers. Genome-wide screening in the two families, followed by saturation marker studies and linkage analysis, identified a 1.4-Mb homozygous candidate region on chromosome 19p12. The maximum multipoint LOD score was 4.22. In both families, DNA sequencing of 25 genes within the candidate region identified potentially deleterious CRLF1 sequence variants that were not found in unaffected control individuals. Our findings confirm that the cold-induced sweating syndrome is an autosomal recessive disorder that is probably caused by impaired function of the CRLF1 gene, and they suggest important developmental functions for human CRLF1.

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