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Variants of Lipolysis-Related Genes in Korean Patients with Very High Triglycerides
Yonsei Medical Journal ; : 148-153, 2018.
Article in English | WPRIM | ID: wpr-742491
ABSTRACT
We investigated the prevalence and characteristics of variants of five lipolysis-related genes in Korean patients with very high triglycerides (TGs). Twenty-six patients with TG levels >885 mg/dL were selected from 13545 Korean subjects. Five candidate genes, LPL, APOC2, GPIHBP1, APOA5, and LMF1, were sequenced by targeted next-generation sequencing. Predictions of functional effects were performed and matched against public databases of variants. Ten rare variants of three genes were found in nine (34.6%) patients (three in LPL, four in APOA5, and three in LMF1). Five were novel and all variants were suspected of being disease-causing. Nine were heterozygous, and one (3.8%) had a homozygous rare variant of LPL. Six common variants of four genes were observed in 25 (96.2%) patients (one in LPL, one in GPIHBP1, two in APOA5, and two in LMF1). The c.G41T variant of GPIHBP1 and c.G533T variant of APOA5 were most frequent and found in 15 (57.7%) and 14 (53.8%) patients, respectively. Rare homozygous variants of the genes were very uncommon, while diverse rare heterozygous variants were commonly identified. Taken together, most study subjects may be manifesting the combined effects of rare heterozygous variants and common variants.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Triglycerides / Genetic Variation / Asian People / Genetic Association Studies / Apolipoprotein A-V / Heterozygote / Lipolysis Type of study: Prognostic study Limits: Female / Humans / Male Language: English Journal: Yonsei Medical Journal Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Triglycerides / Genetic Variation / Asian People / Genetic Association Studies / Apolipoprotein A-V / Heterozygote / Lipolysis Type of study: Prognostic study Limits: Female / Humans / Male Language: English Journal: Yonsei Medical Journal Year: 2018 Type: Article