Pathogenic glycosyltransferase genes and potential therapeutic drugs in pressure overload-induced heart failure.

IF 3.7 2区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS
Jiahe Wu, Yi Lu, Xinchen Gao, Xiaorong Hu, Zhibing Lu, Chenze Li
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引用次数: 0

Abstract

Aims: Protein glycosylation regulated by glycosyltransferases is an important type of post-translational modification. The role of the glycosyltransferase genes (GTGs) in heart failure (HF) remains unclear and requires further investigation.

Methods: Differential expression analysis was performed on the transverse aortic constriction (TAC)-related dataset GSE36074 to screen out the differentially expressed GTGs. Enrichment and protein-protein interaction analyses explored their functional mechanisms and interconnections. Pearson correlation analysis revealed the relationship between GTGs and pathological cardiac remodelling. The upstream miRNAs of GTGs were predicted using corresponding online databases, and the downstream target genes were identified by weighted correlation network analysis (WGCNA). Computer virtual screening and molecular docking predicted potential therapeutic drugs. The identified GTGs were validated in vivo, in vitro and in the human HF-related dataset GSE57338.

Results: Twenty-one differentially expressed GTGs were identified, and these genes were significantly up-regulated in the TAC model except for C1galt1, Extl2 and Pigh. Pearson correlation analysis revealed that 11 GTGs were significantly associated with pathological cardiac remodelling. Fifty-six miRNAs and 31 drugs were predicted to target these GTGs. WGCNA indicated that these GTGs were associated with lipid metabolism-related genes and pathways. Up-regulation of B3gnt9, C1galt1, Gcnt1, Gxylt2 and Mgat5b was observed in the TAC model. GXYLT2 is up-regulated and has high disease-predictive value in patients with dilated cardiomyopathy and ischaemic cardiomyopathy. Knockdown of GXYLT2 in human AC16 cardiomyocytes significantly attenuated angiotensin II (AngII)-induced hypertrophy.

Conclusions: Dysregulation of GTG expression may affect TAC-induced HF through metabolic pathways, and GXYLT2 may be a new potential therapeutic target for HF.

压力负荷引起心力衰竭的致病糖基转移酶基因和潜在的治疗药物。
目的:糖基转移酶调控的蛋白糖基化是一种重要的翻译后修饰。糖基转移酶基因(GTGs)在心力衰竭(HF)中的作用尚不清楚,需要进一步研究。方法:对横断主动脉收缩(TAC)相关数据集GSE36074进行差异表达分析,筛选出差异表达的GTGs。富集和蛋白相互作用分析探讨了它们的功能机制和相互关系。Pearson相关分析显示GTGs与病理性心脏重构之间存在相关性。利用相应的在线数据库预测gtg的上游mirna,通过加权相关网络分析(WGCNA)鉴定下游靶基因。计算机虚拟筛选与分子对接预测潜在治疗药物。鉴定的gtg在体内、体外和人hf相关数据集GSE57338中进行了验证。结果:共鉴定出21个差异表达的gtg基因,除C1galt1、Extl2和Pigh外,其余基因在TAC模型中均显著上调。Pearson相关分析显示,11个gtg与病理性心脏重构显著相关。预计56种mirna和31种药物靶向这些gtg。WGCNA表明这些gtg与脂质代谢相关基因和途径相关。在TAC模型中观察到B3gnt9、C1galt1、Gcnt1、Gxylt2和Mgat5b的上调。GXYLT2在扩张型心肌病和缺血性心肌病患者中表达上调,具有较高的疾病预测价值。在人AC16心肌细胞中敲低GXYLT2可显著减轻血管紧张素II (AngII)诱导的肥厚。结论:GTG表达异常可能通过代谢途径影响tac诱导的HF, GXYLT2可能是HF新的潜在治疗靶点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
ESC Heart Failure
ESC Heart Failure Medicine-Cardiology and Cardiovascular Medicine
CiteScore
7.00
自引率
7.90%
发文量
461
审稿时长
12 weeks
期刊介绍: ESC Heart Failure is the open access journal of the Heart Failure Association of the European Society of Cardiology dedicated to the advancement of knowledge in the field of heart failure. The journal aims to improve the understanding, prevention, investigation and treatment of heart failure. Molecular and cellular biology, pathology, physiology, electrophysiology, pharmacology, as well as the clinical, social and population sciences all form part of the discipline that is heart failure. Accordingly, submission of manuscripts on basic, translational, clinical and population sciences is invited. Original contributions on nursing, care of the elderly, primary care, health economics and other specialist fields related to heart failure are also welcome, as are case reports that highlight interesting aspects of heart failure care and treatment.
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