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Fu S, Dong Q, Fu Y, Luo R, Li J, Sun Y, Liu S, Qiu Y, Guo L, Hu J. Baicalin Relieves Glaesserella parasuis-Triggered Immunosuppression Through Polarization via MIF/CD74 Signaling Pathway in Piglets. Biomolecules 2025; 15:640. [PMID: 40427533 PMCID: PMC12108920 DOI: 10.3390/biom15050640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2025] [Revised: 04/22/2025] [Accepted: 04/25/2025] [Indexed: 05/29/2025] Open
Abstract
Glaesserella parasuis (G. parasuis) infection is responsible for Glässer's disease in pigs. G. parasuis could trigger piglet immunosuppression, but the mechanism of inducing immunosuppression by G. parasuis remains unknown. Macrophage migration inhibitory factor (MIF)/CD74 axis has been shown to participate in inflammation response and immunosuppression, but the function of MIF/CD74 during immunosuppression elicited by G. parasuis has not been fully explored. This experiment explored the efficacy of baicalin on immunosuppression elicited by G. parasuis alleviation through regulating polarization via the MIF/CD74 signaling pathway. Our data indicated that baicalin reduced IL-1β, IL-6, IL-8, IL-18, TNF-α, and COX-2 expression, and regulated MIF/CD74 axis expression in the spleen. Immunohistochemistry analysis showed that baicalin enhanced CD74 protein levels in the spleen of piglets induced by G. parasuis. Baicalin regulated the PI3K/Akt/mTOR signaling pathway and RAF/MEK/ERK signaling activation, modified the expression of the autophagy-related proteins Beclin-1, P62, and LC3B, promoted M2 polarization to M1 polarization, and enhanced CD3, CD4, CD8, and TIM3 levels in the spleen of piglets elicited by G. parasuis. Our study reveals the important functions of the MIF/CD74 axis in G. parasuis-induced immunosuppression and may offer a new therapeutic method to control G. parasuis infection.
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Affiliation(s)
- Shulin Fu
- Wuhan Engineering and Technology Research Center of Animal Disease-Resistant Nutrition, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Q.D.); (Y.F.); (R.L.); (J.L.); (Y.S.); (S.L.); (Y.Q.); (L.G.); (J.H.)
- Hubei Key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Qiaoli Dong
- Wuhan Engineering and Technology Research Center of Animal Disease-Resistant Nutrition, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Q.D.); (Y.F.); (R.L.); (J.L.); (Y.S.); (S.L.); (Y.Q.); (L.G.); (J.H.)
- Hubei Key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Yunjian Fu
- Wuhan Engineering and Technology Research Center of Animal Disease-Resistant Nutrition, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Q.D.); (Y.F.); (R.L.); (J.L.); (Y.S.); (S.L.); (Y.Q.); (L.G.); (J.H.)
- Hubei Key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Ronghui Luo
- Wuhan Engineering and Technology Research Center of Animal Disease-Resistant Nutrition, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Q.D.); (Y.F.); (R.L.); (J.L.); (Y.S.); (S.L.); (Y.Q.); (L.G.); (J.H.)
- Hubei Key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Jingyang Li
- Wuhan Engineering and Technology Research Center of Animal Disease-Resistant Nutrition, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Q.D.); (Y.F.); (R.L.); (J.L.); (Y.S.); (S.L.); (Y.Q.); (L.G.); (J.H.)
- Hubei Key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Yamin Sun
- Wuhan Engineering and Technology Research Center of Animal Disease-Resistant Nutrition, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Q.D.); (Y.F.); (R.L.); (J.L.); (Y.S.); (S.L.); (Y.Q.); (L.G.); (J.H.)
- Hubei Key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Siyu Liu
- Wuhan Engineering and Technology Research Center of Animal Disease-Resistant Nutrition, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Q.D.); (Y.F.); (R.L.); (J.L.); (Y.S.); (S.L.); (Y.Q.); (L.G.); (J.H.)
- Hubei Key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Yinsheng Qiu
- Wuhan Engineering and Technology Research Center of Animal Disease-Resistant Nutrition, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Q.D.); (Y.F.); (R.L.); (J.L.); (Y.S.); (S.L.); (Y.Q.); (L.G.); (J.H.)
- Hubei Key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Ling Guo
- Wuhan Engineering and Technology Research Center of Animal Disease-Resistant Nutrition, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Q.D.); (Y.F.); (R.L.); (J.L.); (Y.S.); (S.L.); (Y.Q.); (L.G.); (J.H.)
- Hubei Key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Jin Hu
- Wuhan Engineering and Technology Research Center of Animal Disease-Resistant Nutrition, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Q.D.); (Y.F.); (R.L.); (J.L.); (Y.S.); (S.L.); (Y.Q.); (L.G.); (J.H.)
- Hubei Key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China
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Allonsius L, Kelecom L, Laoui D. The IFN-high phenotype: A biomarker-driven breakthrough in colorectal cancer treatment. Cell Rep Med 2025; 6:102025. [PMID: 40107241 PMCID: PMC11970388 DOI: 10.1016/j.xcrm.2025.102025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2025] [Revised: 02/19/2025] [Accepted: 02/19/2025] [Indexed: 03/22/2025]
Abstract
Patient stratification is crucial for improving immunotherapy effectiveness. Acha-Sagredo et al. identified an interferon (IFN)-high immunophenotype and CD74 overexpression as predictors for immunotherapy response in colorectal cancer (CRC). This signature, involving cytotoxic T cells and antigen-presenting macrophages, was found in both mismatch repair-deficient and -proficient CRCs. CD74 overexpression could serve as a biomarker, enabling personalized CRC treatment.
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Affiliation(s)
- Lize Allonsius
- Lab of Dendritic Cell Biology and Cancer Immunotherapy, VIB Center for Inflammation Research, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Brussels Center for Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Luca Kelecom
- Lab of Dendritic Cell Biology and Cancer Immunotherapy, VIB Center for Inflammation Research, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Brussels Center for Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Damya Laoui
- Lab of Dendritic Cell Biology and Cancer Immunotherapy, VIB Center for Inflammation Research, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Brussels Center for Immunology, Vrije Universiteit Brussel, Brussels, Belgium.
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