期刊
ATHEROSCLEROSIS
卷 223, 期 2, 页码 401-408出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.atherosclerosis.2012.05.014
关键词
Familial hypercholesterolemia; LDLR; APOB; LDL cholesterol; Lipid profile
资金
- Czech Ministry of Education [MSMT 2B08060]
- project CEITEC - Central European Institute of Technology [CZ.1.05/1.1.00/02.0068]
Background: Familial hypercholesterolemia (FH), a major risk for coronary heart disease, is predominantly associated with mutations in the genes encoding the low-density lipoprotein receptor (LDLR) and its ligand apolipoprotein B (APOB). Results: In this study, we characterize the spectrum of mutations causing FH in 2239 Czech probands suspected to have FH. In this set, we found 265 patients (11.8%) with the APOB mutation p.(Arg3527Gln) and 535 patients (23.9%) with a LDLR mutation. In 535 probands carrying the LDLR mutation, 127 unique allelic variants were detected: 70.1% of these variants were DNA substitutions, 16.5% small DNA rearrangements, and 13.4% large DNA rearrangements. Fifty five variants were novel, not described in other FH populations. For lipid profile analyses, FH probands were divided into groups [patients with the LDLR mutation (LDLR+), with the APOB mutation (APOB+), and without a detected mutation (LDLR-/APOB-)], and each group into subgroups according to gender. The statistical analysis of lipid profiles was performed in 1722 probands adjusted for age in which biochemical data were obtained without FH treatment (480 LDLR+ patients, 222 APOB+ patients, and 1020 LDLR-/APOB- patients). Significant gradients in i) total cholesterol (LDLR+ patients > APOB+ patients LDLR-/APOB- patients) ii) LDL cholesterol (LDLR+ patients > APOB+ patients LDLR-/APOB- patients in men and LDLR+patients > APOB+ patients > LDLR-/APOB- patients in women), iii) triglycerides (LDLR-/APOB- patients > LDLR+ patients > APOB+ patients), and iv) HDL cholesterol (APOB+ patients > LDLR-/APOB- patients = LDLR+ patients) were shown. Conclusion: Our study presents a large set of Czech patients with FH diagnosis in which DNA diagnostics was performed and which allowed statistical analysis of clinical and biochemical data. (C) 2012 Elsevier Ireland Ltd. All rights reserved.
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