Clonorchis sinensis infection modulates key cytokines for essential immune response impacted by sex.
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| Abstract |
Infection with helminths can modulate the host immune response, which ultimately shape morbidity and mortality of the associated diseases. We studied key cytokines for essential immune response in sera from 229 southeastern China individuals infected with Clonorchis sinensis and 60 individuals without C. sinensis infection, and measured serum specific IgG and IgE against worms in these people. Individuals infected with C. sinensis had significantly higher antigen-specific IgG and IgE levels, which were positively correlated with egg counts in feces. However, less enhancement of IgE antibody was observed in females when compared to males with similar infection levels. C. sinensis infection caused diminished Th1 cytokines (IL-1β, IL-2, IL-12p70, IFN-γ and TNF-α), Th2 cytokine (IL-4), as well as Th17 cytokine (IL-17A) in sera, which showed decreasing trend by infection intensity. Notably, these phenotypes were more significant in females than those in males. Although C. sinensis infection is associated with the development of hepatobiliary diseases, there was no significant correlation between the dampened cytokine profiles and the hepatobiliary morbidities. Our study indicates C. sinensis infection is strongly related to the immune suppression in human. Sex differences shape the immune milieus of clonorchiasis. This study provides a better understanding of how worms affect immune responses and cause a long-term immune alternation in humans with C. sinensis infection.
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| Authors | Shuo Kan, Qi Li, Hong-Mei Li, Yan-Hua Yao, Xin-Yue Du, Chen-Yun Wu, Guang-Jie Chen, Xiao-Kui Guo, Men-Bao Qian, Zhao-Jun Wang |
| Journal | PLoS neglected tropical diseases (PLoS Negl Trop Dis) Vol. 16 Issue 9 Pg. e0010726 (09 2022) ISSN: 1935-2735 [Electronic] United States |
| PMID | 36083861 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't) |
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