Causal associations between thyroid cancer and IgA nephropathy: a Mendelian randomization study

Abstract Background The incidence of kidney disease caused by thyroid cancer is rising worldwide. Observational studies cannot recognize whether thyroid cancer is independently associated with kidney disease. We performed the Mendelian randomization (MR) approach to genetically investigate the causa...

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Main Authors: Ziwei Mei, Fuhao Li, Ruizhen Chen, Zilong Xiao, Dongsheng Cai, Lie Jin, Xu Qian, Yucheng Wang, Jun Chen
Format: Article
Language:English
Published: BMC 2023-09-01
Series:BMC Genomics
Subjects:
Online Access:https://doi.org/10.1186/s12864-023-09633-6
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author Ziwei Mei
Fuhao Li
Ruizhen Chen
Zilong Xiao
Dongsheng Cai
Lie Jin
Xu Qian
Yucheng Wang
Jun Chen
author_facet Ziwei Mei
Fuhao Li
Ruizhen Chen
Zilong Xiao
Dongsheng Cai
Lie Jin
Xu Qian
Yucheng Wang
Jun Chen
author_sort Ziwei Mei
collection DOAJ
description Abstract Background The incidence of kidney disease caused by thyroid cancer is rising worldwide. Observational studies cannot recognize whether thyroid cancer is independently associated with kidney disease. We performed the Mendelian randomization (MR) approach to genetically investigate the causality of thyroid cancer on immunoglobulin A nephropathy (IgAN). Methods and results We explored the causal effect of thyroid cancer on IgAN by MR analysis. Fifty-two genetic loci and single nucleotide polymorphisms were related to thyroid cancer. The primary approach in this MR analysis was the inverse variance weighted (IVW) method, and MR‒Egger was the secondary method. Weighted mode and penalized weighted median were used to analyze the sensitivity. In this study, the random-effect IVW models showed the causal impact of genetically predicted thyroid cancer across the IgAN risk (OR, 1.191; 95% CI, 1.131–1.253, P < 0.001). Similar results were also obtained in the weighted mode method (OR, 1.048; 95% CI, 0.980–1.120, P = 0.179) and penalized weighted median (OR, 1.185; 95% CI, 1.110–1.264, P < 0.001). However, the MR‒Egger method revealed that thyroid cancer decreased the risk of IgAN, but this difference was not significant (OR, 0.948; 95% CI, 0.855–1.051, P = 0.316). The leave-one-out sensitivity analysis did not reveal the driving influence of any individual SNP on the association between thyroid cancer and IgAN. Conclusion The IVW model indicated a significant causality of thyroid cancer with IgAN. However, MR‒Egger had a point estimation in the opposite direction. According to the MR principle, the evidence of this study did not support a stable significant causal association between thyroid cancer and IgAN. The results still need to be confirmed by future studies.
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spelling doaj.art-52fdf53683fd4e09a706e90ff41b70122023-11-19T12:27:16ZengBMCBMC Genomics1471-21642023-09-0124111010.1186/s12864-023-09633-6Causal associations between thyroid cancer and IgA nephropathy: a Mendelian randomization studyZiwei Mei0Fuhao Li1Ruizhen Chen2Zilong Xiao3Dongsheng Cai4Lie Jin5Xu Qian6Yucheng Wang7Jun Chen8Zhejiang Chinese Medical UniversityZhejiang Chinese Medical UniversityDepartment of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Shanghai Medical College of Fudan UniversityDepartment of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Shanghai Medical College of Fudan UniversityDepartment of Cardiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang UniversityLishui Municipal Central hospitalDepartment of Clinical Laboratory, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of SciencesDepartment of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Shanghai Medical College of Fudan UniversityZhejiang Chinese Medical UniversityAbstract Background The incidence of kidney disease caused by thyroid cancer is rising worldwide. Observational studies cannot recognize whether thyroid cancer is independently associated with kidney disease. We performed the Mendelian randomization (MR) approach to genetically investigate the causality of thyroid cancer on immunoglobulin A nephropathy (IgAN). Methods and results We explored the causal effect of thyroid cancer on IgAN by MR analysis. Fifty-two genetic loci and single nucleotide polymorphisms were related to thyroid cancer. The primary approach in this MR analysis was the inverse variance weighted (IVW) method, and MR‒Egger was the secondary method. Weighted mode and penalized weighted median were used to analyze the sensitivity. In this study, the random-effect IVW models showed the causal impact of genetically predicted thyroid cancer across the IgAN risk (OR, 1.191; 95% CI, 1.131–1.253, P < 0.001). Similar results were also obtained in the weighted mode method (OR, 1.048; 95% CI, 0.980–1.120, P = 0.179) and penalized weighted median (OR, 1.185; 95% CI, 1.110–1.264, P < 0.001). However, the MR‒Egger method revealed that thyroid cancer decreased the risk of IgAN, but this difference was not significant (OR, 0.948; 95% CI, 0.855–1.051, P = 0.316). The leave-one-out sensitivity analysis did not reveal the driving influence of any individual SNP on the association between thyroid cancer and IgAN. Conclusion The IVW model indicated a significant causality of thyroid cancer with IgAN. However, MR‒Egger had a point estimation in the opposite direction. According to the MR principle, the evidence of this study did not support a stable significant causal association between thyroid cancer and IgAN. The results still need to be confirmed by future studies.https://doi.org/10.1186/s12864-023-09633-6Thyroid cancerIgA nephropathyMendelian randomizationGenetics
spellingShingle Ziwei Mei
Fuhao Li
Ruizhen Chen
Zilong Xiao
Dongsheng Cai
Lie Jin
Xu Qian
Yucheng Wang
Jun Chen
Causal associations between thyroid cancer and IgA nephropathy: a Mendelian randomization study
BMC Genomics
Thyroid cancer
IgA nephropathy
Mendelian randomization
Genetics
title Causal associations between thyroid cancer and IgA nephropathy: a Mendelian randomization study
title_full Causal associations between thyroid cancer and IgA nephropathy: a Mendelian randomization study
title_fullStr Causal associations between thyroid cancer and IgA nephropathy: a Mendelian randomization study
title_full_unstemmed Causal associations between thyroid cancer and IgA nephropathy: a Mendelian randomization study
title_short Causal associations between thyroid cancer and IgA nephropathy: a Mendelian randomization study
title_sort causal associations between thyroid cancer and iga nephropathy a mendelian randomization study
topic Thyroid cancer
IgA nephropathy
Mendelian randomization
Genetics
url https://doi.org/10.1186/s12864-023-09633-6
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