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FRZB as a key molecule in abdominal aortic aneurysm progression affecting vascular integrity.
Bioscience Reports ( IF 3.8 ) Pub Date : 2020-11-27 , DOI: 10.1042/bsr20203204
Chang-Kyu Oh 1 , Yeji Ko 2 , Jeong Jun Park 3 , Hye Jin Heo 4 , Junho Kang 5 , Eun Jung Kwon 5 , Ji Wan Kang 5 , Yoonsung Lee 1 , Kyungjae Myung 1 , Jin Mo Kang 6 , Dai Sik Ko 6 , Yun Hak Kim 4, 5
Affiliation  

Abdominal aortic aneurysm (AAA), when ruptured, results in high mortality. The identification of molecular pathways involved in AAA progression is required to improve AAA prognosis. The aim of this study was to assess the key genes for the progression of AAA and their functional role. Genomic and clinical data of three independent cohorts were downloaded from the National Center for Biotechnology Information (NCBI) Gene Expression Omnibus (GSE57691, GSE7084, and GSE98278). To develop AAA diagnosis and progression related differentially expressed genes (DEGs), we used a Significance analysis of microarray (SAM). Spearman correlation test and gene set analysis were performed to identify potential enriched pathways for DEGs. Only the Frizzled Related Protein (FRZB) gene and chromosome 1 open reading frame 24 (C1orf24) exhibited significant down-regulation in all analyses. With FRZB, the pathways were associated with RHO GTPase and elastin fiber formation. With C1orf24, the pathways were elastic fiber formation, extracellular matrix organization, and cell-cell communication. Since only FRZB was evolutionally conserved at the vertebrate, function of FRZB was validated using zebrafish embryos. Knock-down of frzb remarkably reduced vascular integrity in zebrafish embryos. We believe that FRZB is a key gene involved in AAA initiation and progression affecting vascular integrity.

中文翻译:

FRZB 作为影响血管完整性的腹主动脉瘤进展的关键分子。

腹主动脉瘤 (AAA) 在破裂时会导致高死亡率。需要确定参与 AAA 进展的分子途径,以改善 AAA 预后。本研究的目的是评估 AAA 进展的关键基因及其功能作用。从国家生物技术信息中心 (NCBI) Gene Expression Omnibus(GSE57691、GSE7084 和 GSE98278)下载了三个独立队列的基因组和临床数据。为了开发 AAA 诊断和进展相关的差异表达基因 (DEG),我们使用了微阵列 (SAM) 的显着性分析。进行了 Spearman 相关性测试和基因集分析,以确定 DEG 的潜在富集途径。在所有分析中,只有卷曲相关蛋白 (FRZB) 基因和染色体 1 开放阅读框 24 (C1orf24) 表现出显着的下调。对于 FRZB,这些通路与 RHO GTPase 和弹性蛋白纤维的形成有关。对于 C1orf24,通路是弹性纤维形成、细胞外基质组织和细胞间通讯。由于在脊椎动物中只有 FRZB 在进化上是保守的,因此使用斑马鱼胚胎验证了 FRZB 的功能。frzb 的敲除显着降低了斑马鱼胚胎的血管完整性。我们认为 FRZB 是参与影响血管完整性的 AAA 起始和进展的关键基因。和细胞间通讯。由于在脊椎动物中只有 FRZB 在进化上是保守的,因此使用斑马鱼胚胎验证了 FRZB 的功能。frzb 的敲除显着降低了斑马鱼胚胎的血管完整性。我们认为 FRZB 是参与影响血管完整性的 AAA 起始和进展的关键基因。和细胞间通讯。由于在脊椎动物中只有 FRZB 在进化上是保守的,因此使用斑马鱼胚胎验证了 FRZB 的功能。frzb 的敲除显着降低了斑马鱼胚胎的血管完整性。我们认为 FRZB 是参与影响血管完整性的 AAA 起始和进展的关键基因。
更新日期:2020-12-01
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