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- Title
Confirmation and refinement of a genetic locus for disseminated superficial actinic porokeratosis (DSAP1) at 12q23.2-24.1.
- Authors
Wu, L. Q.; Yang, Y. F.; Zheng, D.; Deng, H.; Pan, Q.; Zhao, T. L.; Cai, F.; Feng, Y.; Long, Z. G.; Dai, H. P.; Tang, B. S.; Yang, Y. J.; Deng, H. X.; Xia, K.; Xia, J. H.
- Abstract
Our previous study has identified two loci for disseminated superficial actinic porokeratosis (DSAP), but the genes responsible are still unknown. To narrow down the candidate regions and to assess candidate genes. A genome-wide scan and linkage analysis were carried out in a newly collected five-generation Chinese family with DSAP. In addition, six candidate genes were screened for possible DSAP-associated mutations. DSAP in this family was associated with chromosome 12q. Fine mapping and haplotype construction refined the DSAP1 locus to a 4·4-cM interval. No disease-associated mutation was detected in CRY1, C4ST1, TXNRD1, HCF2, CMKLR1 or KIAA0789 genes. The DSAP1 locus was localized to a 4·4-cM interval at chromosome 12q23.2-24.1. CRY1, C4ST1, TXNRD1, HCF2, CMKLR1 and KIAA0789 genes were not associated with DSAP1.
- Subjects
GENES; KERATOSIS; GENETIC mutation; CHROMOSOMES; GENE mapping; GENETIC disorders; GENETICS
- Publication
British Journal of Dermatology, 2004, Vol 150, Issue 5, p999
- ISSN
0007-0963
- Publication type
Article
- DOI
10.1111/j.1365-2133.2004.05912.x