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A novel mutation in USF1 gene is associated with familial combined hyperlipidemia

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posted on 2023-06-09, 19:53 authored by Eskanda Taghizadeh, Farzaneh Mirzaei, Nazanin Jalilian, Majid Ghayour Mobarhan, Gordon FernsGordon Ferns, Alireza Pasdar
Background: Familial combined hyperlipidemia or FCHL is one of the most common genetic causes of hyperlipidemia and is associated with elevation of cholesterol, triglycerides or both, and increased serum apolipoprotein B (apoB). Linkage analysis and next generation sequencing have been successfully used for identifying rare genetic variants that have moderate-to-large effects. Methods: We characterized a large pedigree from a proband identified following recruitment into the MASHAD study, in northeast Iran, with FCHL accompanied by early-onset coronary artery disease. We used linkage analysis for several candidate regions in previous studies such as 1q21-23, 11q23, and 8p, and then wholeexome sequencing to identify the disease-associated gene in this family. Results: We identified a novel variant in the USF1 gene, leading to a substitution of a tryptophan for arginine at position 196. Arg196Trp co-segregated in all the affected family members in this pedigree with clinical syndrome and was not found in any unaffected family members of this pedigree, or in unrelated controls. Conclusions: We speculate that this mutation [Arg196Trp] in the USF1 gene might be associated with FCHL and early-onset coronary heart disease in this family. However, the substantial mechanism requires further investigation. These findings indicate that USF1 plays an important role in the biological pathways associated with lipid metabolism.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

IUBMB Life

ISSN

1521-6543

Publisher

Wiley

Page range

1-8

Department affiliated with

  • BSMS Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2019-12-09

First Open Access (FOA) Date

2020-11-15

First Compliant Deposit (FCD) Date

2019-12-06

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