Identification of Rare Variants in Novel Candidate Genes in Pulmonary Atresia Patients by Next Generation Sequencing

Overview

Journal Comput Struct Biotechnol J

Specialty Biotechnology

Date 2020 Mar 5

PMID 32128068

Citations 10

Authors

Xin Shi

Li Zhang

Kai Bai

Huilin Xie

Tieliu Shi

Ruilin Zhang

Qihua Fu

Sun Chen

Yanan Lu

Yu Yu

Kun Sun

Affiliations

Soon will be listed here.

Abstract

Pulmonary atresia (PA) is a rare congenital heart defect (CHD) with complex manifestations and a high mortality rate. Since the genetic determinants in the pathogenesis of PA remain elusive, a thorough identification of the genetic factors through whole exome sequencing (WES) will provide novel insights into underlying mechanisms of PA. We performed WES data from PA/VSD (n = 60), PA/IVS (n = 20), TOF/PA (n = 20) and 100 healthy controls. Rare variants and novel genes were identified using variant-based association and gene-based burden analysis. Then we explored the expression pattern of our candidate genes in endothelium cell lines, pulmonary artery tissues, and embryonic hearts. 56 rare damage variants of 7 novel candidate genes ( and ) were certified to have function in PA pathogenesis for the first time. In our research, the genetic pattern among PA/VSD, PA/IVS and TOF/PA were different to some degree. Taken together, our findings contribute new insights into the molecular basis of this rare congenital birth defect.

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