Document Detail

Familial hypercholesterolemia in Utah kindred with novel 2412-6 Ins G mutations in exon 17 of the LDL receptor gene.
MedLine Citation:
PMID:  10611908     Owner:  NLM     Status:  MEDLINE    
Familial hypercholesterolemia (FH) is a monogenic disorder associated with primary hypercholesterolemia. FH is characterized by autosomal co-dominant inheritance with strikingly elevated LDL-cholesterol, the presence of xanthoma and premature atherosclerosis. In the course of investigations of coronary artery disease in Utah, we identified a family whose proband showed elevated plasma levels of LDL cholesterol. To determine the genetic etiology of the lipoprotein abnormalities, we screened DNA samples from the family for mutations in all 18 exons and the exon- intron boundaries of the low-density lipoprotein receptor (LDLR) gene. Novel point mutations were identified in the proband: a one-base insertion of G to a five-G stretch at nucleotides 2412-6 (codons 783-785), causing a frameshift in exon 17 of the LDL receptor gene. The direct sequencing method was used to examine six members of the family recruited for the diagnosis. This method helped to unequivocally diagnose the five individuals as heterozygous for this particular LDL receptor mutation. This method also helped us to diagnose with FH, or to exclude from carrier status, three children between ages 6 and 11.
Y Nobe; M Emi; H Katsumata; T Nakajima; T Hirayama; L L Wu; S H Stephenson; P N Hopkins; R R Williams
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Japanese heart journal     Volume:  40     ISSN:  0021-4868     ISO Abbreviation:  Jpn Heart J     Publication Date:  1999 Jul 
Date Detail:
Created Date:  2000-01-05     Completed Date:  2000-01-05     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0401175     Medline TA:  Jpn Heart J     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  435-41     Citation Subset:  IM    
Department of Molecular Biology, Nippon Medical School, Kawasaki, Japan.
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MeSH Terms
DNA Mutational Analysis
Hyperlipoproteinemia Type II / diagnosis,  genetics*
Middle Aged
Point Mutation*
Polymorphism, Single-Stranded Conformational
Receptors, LDL / genetics*
Grant Support
Reg. No./Substance:
0/Receptors, LDL

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