Disturbance of skin sensation and autism spectrum disorder: A bidirectional Mendelian randomization study

Abstract Background and aim Patients with autism spectrum disorder (ASD) commonly experience aberrant skin sensation sensitivity; however, the causal relationship is not yet clear. This study uses a bidirectional Mendelian randomization (MR) method to explore the relationship between disturbance of...

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Main Authors: Xiao Zhong, Letong Wang, Lin Xu, Jie Lian, Jie Chen, Xinxin Gong, Yongcong Shao
Format: Article
Language:English
Published: Wiley 2023-11-01
Series:Brain and Behavior
Subjects:
Online Access:https://doi.org/10.1002/brb3.3238
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author Xiao Zhong
Letong Wang
Lin Xu
Jie Lian
Jie Chen
Xinxin Gong
Yongcong Shao
author_facet Xiao Zhong
Letong Wang
Lin Xu
Jie Lian
Jie Chen
Xinxin Gong
Yongcong Shao
author_sort Xiao Zhong
collection DOAJ
description Abstract Background and aim Patients with autism spectrum disorder (ASD) commonly experience aberrant skin sensation sensitivity; however, the causal relationship is not yet clear. This study uses a bidirectional Mendelian randomization (MR) method to explore the relationship between disturbance of skin sensation (DSS) and ASD. Methods Single‐nucleotide polymorphisms (SNPs) extracted from the summary data of genome‐wide association studies were used as genetic instruments. MR was performed using the inverse‐variance‐weighted method, with alternate methods (e.g., weighted median, MR‐Egger, simple mode, weighted mode, and MR‐pleiotropy residual sum and outlier) and multiple sensitivity analyses to assess horizontal pleiotropy and remove outliers. Results The results of the analysis using six SNPs as genetic instruments showed that the DSS is associated with an increased risk of ASD (odds ratio = 1.126, 95% confidence interval = 1.029–1.132; p = .010). The results of the sensitivity analyses were robust with no evidence of pleiotropy. The reverse MR analyses showed no causal effects of ASD on DSS. Conclusion This study's findings suggest that DSS has potential causal effects on ASD, whereas ASD has no effect on DSS. Thus, skin sensitivity may represent a behavioral marker of ASD, by which some populations could be subtyped in the future.
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spelling doaj.art-fffc8afd896945519119b3200d0939922023-11-10T06:53:59ZengWileyBrain and Behavior2162-32792023-11-011311n/an/a10.1002/brb3.3238Disturbance of skin sensation and autism spectrum disorder: A bidirectional Mendelian randomization studyXiao Zhong0Letong Wang1Lin Xu2Jie Lian3Jie Chen4Xinxin Gong5Yongcong Shao6School of Psychology Beijing Sport University Beijing ChinaSchool of Psychology Beijing Sport University Beijing ChinaSchool of Psychology Beijing Sport University Beijing ChinaSchool of Psychology Beijing Sport University Beijing ChinaSchool of Psychology Beijing Sport University Beijing ChinaSchool of Psychology Beijing Sport University Beijing ChinaSchool of Psychology Beijing Sport University Beijing ChinaAbstract Background and aim Patients with autism spectrum disorder (ASD) commonly experience aberrant skin sensation sensitivity; however, the causal relationship is not yet clear. This study uses a bidirectional Mendelian randomization (MR) method to explore the relationship between disturbance of skin sensation (DSS) and ASD. Methods Single‐nucleotide polymorphisms (SNPs) extracted from the summary data of genome‐wide association studies were used as genetic instruments. MR was performed using the inverse‐variance‐weighted method, with alternate methods (e.g., weighted median, MR‐Egger, simple mode, weighted mode, and MR‐pleiotropy residual sum and outlier) and multiple sensitivity analyses to assess horizontal pleiotropy and remove outliers. Results The results of the analysis using six SNPs as genetic instruments showed that the DSS is associated with an increased risk of ASD (odds ratio = 1.126, 95% confidence interval = 1.029–1.132; p = .010). The results of the sensitivity analyses were robust with no evidence of pleiotropy. The reverse MR analyses showed no causal effects of ASD on DSS. Conclusion This study's findings suggest that DSS has potential causal effects on ASD, whereas ASD has no effect on DSS. Thus, skin sensitivity may represent a behavioral marker of ASD, by which some populations could be subtyped in the future.https://doi.org/10.1002/brb3.3238autism spectrum disorderdisturbance of skin sensationMendelian randomization
spellingShingle Xiao Zhong
Letong Wang
Lin Xu
Jie Lian
Jie Chen
Xinxin Gong
Yongcong Shao
Disturbance of skin sensation and autism spectrum disorder: A bidirectional Mendelian randomization study
Brain and Behavior
autism spectrum disorder
disturbance of skin sensation
Mendelian randomization
title Disturbance of skin sensation and autism spectrum disorder: A bidirectional Mendelian randomization study
title_full Disturbance of skin sensation and autism spectrum disorder: A bidirectional Mendelian randomization study
title_fullStr Disturbance of skin sensation and autism spectrum disorder: A bidirectional Mendelian randomization study
title_full_unstemmed Disturbance of skin sensation and autism spectrum disorder: A bidirectional Mendelian randomization study
title_short Disturbance of skin sensation and autism spectrum disorder: A bidirectional Mendelian randomization study
title_sort disturbance of skin sensation and autism spectrum disorder a bidirectional mendelian randomization study
topic autism spectrum disorder
disturbance of skin sensation
Mendelian randomization
url https://doi.org/10.1002/brb3.3238
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