Low density lipoprotein receptor gene mutations in patients with clinical diagnosis of familial hypercholesterolemia
Meshkov, A.N.; Stambol'skiĭ, D.V.; Krapivner, S.R.; Bochkov, V.N.; Kukharchuk, V.V.; Malyshev, P.P.
Kardiologiia 44(9): 58-61
2004
ISSN/ISBN: 0022-9040 PMID: 15477777 Document Number: 568849
Low density lipoprotein receptor (LDLR) gene mutations cause familial hypercholesterolemia which is associated with elevated risk of ischemic heart disease. To define LDLR gene mutations in unrelated patients with heterozygous familial hypercholesterolemia in Russia. PCR- single-strand conformation polymorphism analysis, automated DNA sequencing, and test for the presence of the apolipoprotein (apo) B-3500 mutation known to induce hereditary defect in apo-B-100. We found 6 novel mutations of LDLR gene designated E8X, 230insG, 671_679dupGACAAATCT, W422R, D461Y, and V698L. We also identified three missense mutations - C139G, E207K and R395W, which were previously described in FH patients from western populations. None of the studied persons had apo-B-3500 mutation. These findings broaden knowledge on mutations responsible for development of familial hypercholesterolemia and confirm molecular heterogeneity of this disease in Russia.
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