Effect of Hydroxychloroquine in a Mouse Model of Abortion Caused by Brucella abortus Infection
文献类型： 外文期刊
作者： Liu, Haoran 1 ; Yan, Zhirong 1 ; Wang, Jingyu 1 ; Liu, Xiaofeng 3 ; Zhang, Weiyu 4 ; Liu, Jun 5 ; Peng, Qisheng 1 ;
作者机构： 1.Jilin Univ, Inst Zoonosis, State Key Lab Diag & Treatment Severe Zoonot Infec, Key Lab Zoonosis Res,Minist Educ, Changchun, Jilin, Peoples R China
2.Jilin Univ, Coll Vet Med, Changchun, Jilin, Peoples R China
3.Tumor Hosp Jilin Prov, Clin Lab, Changchun, Jilin, Peoples R China
4.Jilin Prov Ctr Dis Control & Prevent, Inst Microbiol Dept, Changchun, Jilin, Peoples R China
5.Chinese Acad Agr Sci, Changchun Vet Res Inst, Changchun, Jilin, Peoples R China
关键词：
abortion;
期刊名称：TRANSBOUNDARY AND EMERGING DISEASES （ 影响因子：3.0； 五年影响因子：3.4 ）
ISSN： 1865-1674
年卷期： 2025 年 2025 卷 1 期
页码：
收录情况： SCI
摘要： Hydroxychloroquine (HCQ) has showed beneficial effects on pregnancy outcomes in systemic erythaematosus lupus (SLE) by its anti-inflammatory and immunomodulatory properties. However, the role of HCQ in preventing abortion caused by infectious diseases remains unknown. In this study, we choose B. abortus-induced abortion of pregnant mice as a model to investigate the effect of HCQ in preventing abortion. HCQ decreases the pH value of endosomal Brucella-containing vacuole (eBCV), B. abortus type IV secretion system (T4SS) expression in trophoblasts and Brucella intracellular growth and cell death. Moreover, administration of HCQ decreases inflammation triggered by dead trophoblasts in a T4SS-independent manner. Mechanistically, this suppressed inflammatory response is due to inhibition of both NF-kB and mitogen-activated protein kinases (MAPKs) activation by HCQ. In the murine model of abortion, HCQ treatment enhanced pup viability through suppressing B. abortus growth within placenta and preventing placentitis. Our results suggest administration of HCQ could be an effective protection against abortion induced by Brucella infection, which imply that HCQ may be beneficial in treating abortion caused by infectious diseases.
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