Advance in molecular diagnosis of familial hypercholesterolemia in the Czech population: identification and characterization of large rearrangements in LDLR gene

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Authors

GOLDMANN R. ZAPLETALOVA P. LETOCHA O. VYROUBALOVA P. PORUBKOVA J. TICHY L. FREIBERGER T. KOZÁK Libor FAJKUSOVÁ Lenka

Year of publication 2007
Type Article in Proceedings
Conference Vnitřní lékařství
MU Faculty or unit

Faculty of Medicine

Citation
Field Genetics and molecular biology
Keywords Familiam Hyprecholesterolemia; MLPA; LDLR gene
Description Familial hypercholesterolemia (FH) is an autosomal dominant disorder caused by mutations in the gene encoding the low density lipoprotein receptor (LDLR). Mutations in the LDLR gene were diagnosed using exon by exon screening methods based on individual exon amplification, DHPLC analysis and sequencing. Recently, a novel method for genomic quantification, Multiplex Ligation-dependent Probe Amplification (MLPA), has been developed. In order to explore the possibility that whole exon deletions or duplications could be the causative mutation on some yet uncharacterized mutant LDLR alleles, we used MLPA technique in this study.Six different large deletions and three duplications were found, 3 of which (EX9_15del-14kb, EX9_14del-9.5kb and EX2_6dup-8.5kb) were prevalent in FH individuals from the Czech population.
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