INFOVALLEY® Group of Companies, Jalan Tasik, MINES Resort City, Selangor, Malaysia.
PLoS One. 2013 Apr 8;8(4):e60729. doi: 10.1371/journal.pone.0060729. Print 2013.
Familial hypercholesterolemia (FH) is an autosomal dominant disorder characterized by elevations in total cholesterol (TC) and low density lipoprotein cholesterol (LDLc). Development of FH can result in the increase of risk for premature cardiovascular diseases (CVD). FH is primarily caused by genetic variations in Low Density Lipoprotein Receptor (LDLR), Apolipoprotein B (APOB) or Proprotein Convertase Subtilisin/Kexin type 9 (PCSK9) genes. Although FH has been extensively studied in the Caucasian population, there are limited reports of FH mutations in the Asian population. We investigated the association of previously reported genetic variants that are involved in lipid regulation in our study cohort. A total of 1536 polymorphisms previously implicated in FH were evaluated in 141 consecutive patients with clinical FH (defined by the Dutch Lipid Clinic Network criteria) and 111 unrelated control subjects without FH using high throughput microarray genotyping platform. Fourteen Single Nucleotide Polymorphisms (SNPs) were found to be significantly associated with FH, eleven with increased FH risk and three with decreased FH risk. Of the eleven SNPs associated with an increased risk of FH, only one SNP was found in the LDLR gene, seven in the APOB gene and three in the PCSK9 gene. SNP rs12720762 in APOB gene is associated with the highest risk of FH (odds ratio 14.78, p<0.001). Amongst the FH cases, 108 out of 141 (76.60%) have had at least one significant risk-associated SNP. Our study adds new information and knowledge on the genetic polymorphisms amongst Asians with FH, which may serve as potential markers in risk prediction and disease management.
家族性高胆固醇血症(FH)是一种常染色体显性遗传疾病,其特征是总胆固醇(TC)和低密度脂蛋白胆固醇(LDLc)升高。FH 的发展可导致心血管疾病(CVD)的风险增加。FH 主要是由载脂蛋白 B(APOB)或前蛋白转化酶枯草溶菌素/柯萨奇蛋白酶 9(PCSK9)基因中 LDL 受体(LDLR)的基因突变引起的。尽管 FH 在白种人群中进行了广泛研究,但亚洲人群中 FH 突变的报道有限。我们研究了我们研究队列中涉及脂质调节的先前报道的遗传变异与 FH 的关联。在 141 名连续的临床 FH 患者(根据荷兰脂质诊所网络标准定义)和 111 名无 FH 的无关对照中,使用高通量微阵列基因分型平台评估了先前涉及 FH 的 1536 种多态性。在 141 名连续的临床 FH 患者(根据荷兰脂质诊所网络标准定义)和 111 名无 FH 的无关对照中,使用高通量微阵列基因分型平台评估了先前涉及 FH 的 1536 种多态性。在 141 名连续的临床 FH 患者(根据荷兰脂质诊所网络标准定义)和 111 名无 FH 的无关对照中,使用高通量微阵列基因分型平台评估了先前涉及 FH 的 1536 种多态性。
发现 14 个单核苷酸多态性(SNP)与 FH 显著相关,其中 11 个与 FH 风险增加相关,3 个与 FH 风险降低相关。与 FH 风险增加相关的 11 个 SNP 中,只有一个 SNP 位于 LDLR 基因中,7 个 SNP 位于 APOB 基因中,3 个 SNP 位于 PCSK9 基因中。APOB 基因中的 SNP rs12720762 与 FH 风险最高相关(比值比 14.78,p<0.001)。在 FH 病例中,141 例中有 108 例(76.60%)至少有一个显著的风险相关 SNP。我们的研究为 FH 亚洲人群中的遗传多态性提供了新的信息和知识,这些信息和知识可能成为风险预测和疾病管理的潜在标志物。
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