Association of rs10757274 and rs2383206 Polymorphisms on 9p21 locus with Coronary Artery Disease in Turkish Population

Yayla, Çağrı; Okyay, Kaan; Yılmaz, Akın; Şahinarslan, Asife; Sağlam, Atiye Seda Yar; Eyiol, Azmi; Bolayır, Hasan Ata; Sezenöz, Burak; Menevşe, Sevda; Çengel, Atiye

doi:10.4070/kcj.2016.46.5.615

Cited by 7 publications

(3 citation statements)

References 29 publications

(43 reference statements)

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“…Genetic features are crucial and constant risk factors for CAD pathogenesis. Recently, one study investigated the relationship between CAD and genetic predisposition and showed that 40% to 60% of the risk for CAD is related to genetic predisposition [3]. …”

Section: Introductionmentioning

confidence: 99%

Effects of MicroRNA-499 On the Inflammatory Damage of Endothelial Cells During Coronary Artery Disease Via the Targeting of PDCD4 Through the NF-Κβ/TNF-α Signaling Pathway

Zhang¹,

He²,

Shi³

2017

Cell Physiol Biochem

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Background/Aims: This study aimed to analyze the impact of microRNA-499 (miR-499) on the inflammatory damage of endothelial cells during coronary artery disease (CAD) via the targeting of PDCD4 through the NF-kB/ TNF-α signaling pathway. Methods: A total of 216 CAD patients (CAD group) and 90 healthy people (normal group) were enrolled in our study. Endothelial cells were collected and assigned into normal, OX-LDL, negative control (NC), miR-499 inhibitor, miR-499 mimic, PDCD4 siRNA, and miR-499 inhibitor + PDCD4 siRNA groups. The qRT-PCR and western blotting were performed to detect the mRNA and protein expression levels of PDCD4 and miR-499. The MTT assay was performed to determine cell viability, ELISA was performed to determine the expression levels of inflammatory factors, and flow cytometry assay to evaluate cell apoptosis. Results: Increased miR-499 expression and decreased PDCD4 expression in the plasma were observed in the CAD group compared with the normal group, demonstrating a negative correlation between miR-499 and PDCD4. Compared to the normal and miR-499 inhibitor groups, the survival rate of cells and PDCD4 expression were decreased; and the expressions of miR-499, IL-6, IL-8, IL-1β, TNF-α, NF-kB, VCAM-1, ICAM-1 and MCP-1 and the apoptosis rate were all elevated in the OX-LDL, NC, miR-499 mimic, PDCD4 siRNA and miR-499 inhibitor + PDCD4 siRNA groups. Compared to the OX-LDL, NC and miR-499 inhibitor + PDCD4 siRNA groups, PDCD4 expression and the survival rate of cells were increased; and the IL-6, IL-8, IL-1β, TNF-α, NF-κB, VCAM-1, ICAM-1 and MCP-1 expression levels and the apoptosis rate were all reduced in the miR-499 inhibitor group. In the PDCD4 siRNA group, PDCD4 expression and the survival rate of cells were lower, and the expression levels of IL-6, IL-8, IL-1β, TNF-α, NF-κB, VCAM-1, ICAM-1 and MCP-1 and the apoptosis rate were all higher compared with the miR-499 mimic group. In the miR-499 inhibitor + PDCD4 siRNA group, PDCD4 expression and the survival rate of cells were higher, and the expression levels of IL-6, IL-8, IL-1β, TNF-α, NF-κB, VCAM-1, ICAM-1, and MCP-1 and the apoptosis rate were all lower than those in the PDCD4 siRNA group. Conclusion: Down-regulated miR-499 expression increased PDCD4 expression and protected endothelial cells from inflammatory damage during CAD by inhibiting the NF-κB/TNF-α signaling pathway.

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Section: Introductionmentioning

confidence: 99%

Effects of MicroRNA-499 On the Inflammatory Damage of Endothelial Cells During Coronary Artery Disease Via the Targeting of PDCD4 Through the NF-Κβ/TNF-α Signaling Pathway

Zhang¹,

He²,

Shi³

2017

Cell Physiol Biochem

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“…We found a significant relation between rs10757274 polymorphism and Gensini score. 2 We think that genome-wide association studies have a very important place in revealing the genetic background of CAD. We think that this valuable article 1 will also make a significant contribution to the literature on this subject.…”

mentioning

confidence: 99%

“…In our study, 2 we evaluate the impact of rs10757274 and rs2383206 polymorphisms in chromosome 9p21 on presence and severity of coronary artery disease (CAD) in a Turkish population. We found a significant relation between rs10757274 polymorphism and Gensini score.…”

mentioning

confidence: 99%