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Investigation of the Molecular Mechanism of Asthma in Meishan Pigs Using Multi-Omics Analysis

文献类型： 外文期刊

作者： Tu, Weilong 1 ; Wang, Hongyang 1 ; Zhang, Yingying 1 ; Huang, Ji 1 ; Diao, Yuduan 1 ; Zhou, Jieke 1 ; Tan, Yongsong 1 ; Li, Xin 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Anim Husb & Vet Sci, Shanghai 201106, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Livestock & Poultry Resources Pig Evaluat, Shanghai 201106, Peoples R China

3.Shanghai Engn Res Ctr Breeding Pig, Shanghai 201106, Peoples R China

关键词： Meishan pig; asthma; transcriptome; metabolome

期刊名称：ANIMALS （ 影响因子：2.7； 五年影响因子：3.2 ）

ISSN： 2076-2615

年卷期： 2025 年 15 卷 2 期

页码：

收录情况： SCI

摘要： Asthma has been extensively studied in humans and animals, but the molecular mechanisms underlying asthma in Meishan pigs, a breed with distinct genetic and physiological characteristics, remain elusive. Understanding these mechanisms could provide insights into veterinary medicine and human asthma research. We investigated asthma pathogenesis in Meishan pigs through transcriptomic and metabolomic analyses of blood samples taken during autumn and winter. Asthma in Meishan pigs is related to inflammation, mitochondrial oxidative phosphorylation, and tricarboxylic acid (TCA) cycle disorders. Related genes include CXCL10, CCL8, CCL22, CCL21, OLR1, and ACKR1, while metabolites include succinic acid, riboflavin-5-phosphate, and fumaric acid. Transcriptomic sequencing was performed on panting and normal Meishan pigs, and differentially expressed genes underwent functional enrichment screening. Metabolomic analysis revealed differential metabolites and pathways between groups. Combined analyses indicated that lung inflammation is influenced by genetic, allergenic, and environmental factors disrupting oxidative phosphorylation in lung mitochondria, affecting the TCA cycle. Mitochondrial reactive oxygen species, glutathione S-transferases, arginase 1 and RORC in immune regulation, the Notch pathway, YPEL4 in cell proliferation, and MARCKS in airway mucus secretion play roles in asthma pathogenesis. This study highlights that many cytokines and signaling pathways contribute to asthma. Further studies are needed to elucidate their complex interactions.

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