P. Liu, Meng-Na Lv, Yan‐Yan Rong, Shu-Jiao Yu, Rui Wu
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No genetic causal association between iron status and pulmonary artery hypertension: Insights from a two‐sample Mendelian randomization
To explore the genetic causal association between pulmonary artery hypertension (PAH) and iron status through Mendelian randomization (MR), we conducted MR analysis using publicly available genome‐wide association study (GWAS) summary data. Five indicators related to iron status (serum iron, ferritin, total iron binding capacity (TIBC), soluble transferrin receptor (sTfR), and transferrin saturation) served as exposures, while PAH was the outcome. The genetic causal association between these iron status indicators and PAH was assessed using the inverse variance weighted (IVW) method. Cochran's Q statistic was employed to evaluate heterogeneity. We assessed pleiotropy using MR‐Egger regression and MR‐Presso test. Additionally, we validated our results using the Weighted median, Simple mode, and Weighted mode methods. Based on the IVW method, we found no causal association between iron status (serum iron, ferritin, TIBC, sTfR, and transferrin saturation) and PAH (pβ > 0.05). The Weighted median, Simple mode, and Weighted mode methods showed no potential genetic causal association (pβ > 0.05 in the three analyses). Additionally, no heterogeneity or horizontal pleiotropy was detected in any of the analyses. Our results show that there are no genetic causal association between iron status and PAH.
期刊介绍:
Pulmonary Circulation''s main goal is to encourage basic, translational, and clinical research by investigators, physician-scientists, and clinicans, in the hope of increasing survival rates for pulmonary hypertension and other pulmonary vascular diseases worldwide, and developing new therapeutic approaches for the diseases. Freely available online, Pulmonary Circulation allows diverse knowledge of research, techniques, and case studies to reach a wide readership of specialists in order to improve patient care and treatment outcomes.