Role of eosinophil counts in mediating the association between asthma and colon cancer

IF 4.6 2区医学 Q2 ALLERGY Clinical and Translational Allergy Pub Date : 2024-12-10 DOI:10.1002/clt2.70012

Zhi-Qing Zhan, Ze-Min Huang, Zhi-Xin Xie, Hao-Bin Zhou, Yu-Hua Luo, Pei-Zhen Chen, Tian-Ye Luo, Baoqing Sun, Zhangkai J. Cheng

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Abstract

Background

Epidemiological findings regarding the association between asthma and the risk of colon cancer (CC) are inconsistent. The causality and potential molecular mechanisms underlying asthma, eosinophil count, and CC remain unknown.

Methods

We performed Mendelian randomization (MR) analysis to investigate the causality between asthma and CC and attempted to demonstrate that asthma indirectly affects CC mediated by eosinophil count through mediation analysis. Sensitivity analyses and multivariable MR were performed to test the robustness of our findings. Multiple bioinformatics tools were applied to further investigate the underlying mechanisms related to eosinophils that contribute to the pathogenesis of both asthma and CC.

Results

MR with mediation analyses suggested that eosinophil count may play a role in the mechanism through which asthma reduces the risk of CC. Our bioinformatic analyses identified PPP1R14A as a potential therapeutic target and an eosinophil-associated biomarker for CC patients. Higher expression of PPP1R14A may be associated with a poorer prognosis in CC patients. Additionally, the lysosome pathway emerges as a shared eosinophil-related pathway in both asthma and CC.

Conclusions

Eosinophils may contribute to a lower risk of CC in patients with asthma. PPP1R14A is a potential therapeutic target and biomarker for CC.

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来源期刊

Clinical and Translational Allergy Immunology and Microbiology-Immunology

CiteScore

7.50

自引率

4.50%

发文量

117

审稿时长

12 weeks

期刊介绍： Clinical and Translational Allergy, one of several journals in the portfolio of the European Academy of Allergy and Clinical Immunology, provides a platform for the dissemination of allergy research and reviews, as well as EAACI position papers, task force reports and guidelines, amongst an international scientific audience. Clinical and Translational Allergy accepts clinical and translational research in the following areas and other related topics: asthma, rhinitis, rhinosinusitis, drug hypersensitivity, allergic conjunctivitis, allergic skin diseases, atopic eczema, urticaria, angioedema, venom hypersensitivity, anaphylaxis, food allergy, immunotherapy, immune modulators and biologics, animal models of allergic disease, immune mechanisms, or any other topic related to allergic disease.