SCD Rs41290540 Single-nucleotide Polymorphism Modifies MiR-498 Binding and is Associated with a Decreased Risk of Coronary Artery Disease

Overview

Journal Mol Genet Genomic Med

Specialty Genetics

Date 2020 Jan 23

PMID 31965762

Citations 8

Authors

Zhou Liu

Xiaojian Yin

Hui Mai

Guangning Li

Zhijun Lin

Wanxin Jie

Kanglan Li

Haihong Zhou

Shouchao Wei

Li Hu

Wanjuan Peng

Jiajing Lin

Feng Yao

Hua Tao

Xing-Dong Xiong

Keshen Li

Affiliations

Soon will be listed here.

Abstract

Background: Atherosclerosis is the primary cause of coronary artery disease (CAD), and stearoyl-CoA desaturase (SCD) is associated with atherosclerosis. However, the associations between variants of SCD and CAD have not yet been decided.

Methods: This study analyzed SCD rs41290540 single-nucleotide polymorphism (SNP) in the 3'-untranslated region for an association with a risk of CAD among the Chinese Han population. CAD patients and controls were genotyped for SNP rs41290540 in SCD by SNaPshot. The binding affinity of miR-498 to rs41290540 was determined by a luciferase assay, and SCD expression was assessed using Western blot.

Results: A total of 969 CAD patients and 1,095 control subjects were involved in this study. The SCD rs41290540CC genotype is associated with a decreased risk of CAD compared with the AA genotype. Furthermore, the CC genotype is associated with lower serum total cholesterol (TC). Western blot analysis demonstrated that miR-498 suppressed the expression of SCD. A luciferase assay confirmed that rs41290540 A>C variation in the SCD 3'UTR inhibits miR-498 binding.

Conclusion: This study demonstrates that the SCD rs41290540 may be associated with a decreased risk of CAD, lower serum TC, and decreased miR-498 binding.

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