Abstract:
:Molecular testing of patients with autosomal dominant hypercholesterolemia (ADH) fails to detect a causal functional mutation in 15.25% of subjects. We studied an ADH pedigree in which known ADH-causing genes (LDLR, APOB and PCSK9) were excluded. Genome-wide analysis on 15 family members detected significant association for ADH and dbSNP RS ID rs965814 (G/A), located in 8q24.22 cytoband. ADH was significantly associated to rs965814 G allele (p < 0.05) in a case-control study based on 200 unrelated ADH subjects without LDLR or APOB gene defects and 198 normolipidemic controls. We chose 24 markers for a detailed analysis of 8q24.22 cytoband, now based on an extended set of family members (21 individuals). One particular 24 marker haplotype was significantly associated to both higher total and low-density lipoprotein-cholesterol concentrations. Similar results were found for a shorter haplotype, composed of the distal six markers from the complete haplotype. Therefore, a presumptive new locus for ADH could be located in 8q24.22 cytoband, a region not previously linked or associated to ADH.
journal_name
Clin Genetjournal_title
Clinical geneticsauthors
Cenarro A,García-Otín AL,Tejedor MT,Solanas M,Jarauta E,Junquera C,Ros E,Mozas P,Puzo J,Pocoví M,Civeira Fdoi
10.1111/j.1399-0004.2010.01485.xsubject
Has Abstractpub_date
2011-05-01 00:00:00pages
475-81issue
5eissn
0009-9163issn
1399-0004pii
CGE1485journal_volume
79pub_type
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