Brucella-infected macrophage-derived Exosomes enhance the anti-Brucella acquired immune response
Zhang Y. Yuan J. Wu A. Wang Z. Ni R. Yan K. Liang X. He T. Gu M. Meng C. Li H. Zhang C. Sheng J. Ma Z. Xu M. Zhang Y. Zhumanov K.T. Zhang J. Yi J. Wang Y.
14 November 2025Elsevier B.V.
International Immunopharmacology
2025#165
In recent years, the roles of Exosomes in tumors and infectious diseases have been found to have potential application value in disease diagnosis and treatment. However, whether Exosomes are involved in host-acquired immune responses against Brucella has not been reported. This study explored the significance of Exosomes in the context of Brucella infection and their influence on host immune responses. Additionally, we assessed the immunoprotective efficacy of these Exosomes in a murine model. The findings demonstrate that Exosomes played an important role in immune regulation during Brucella infection, enhancing the hosts anti-Brucella immune response and inhibiting intracellular bacterial survival. A novel mechanism by which antigens are transmitted between immune cells through Exosomes to initiate an adaptive immune response against Brucella was also identified. These insights contribute to a deeper understanding of Brucella pathogenesis and host immune regulation, offering a promising avenue for the development of innovative Brucella vaccines or immune adjuvants for brucellosis.
Brucella , Exosomes , Immunity
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College of Animal Science and Technology, Shihezi University, Xinjiang, Shihezi, 832003, China
Guizhou Provincial Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region, Tongren University, Guizhou, Tongren, 554300, China
School of Medicine, Shihezi University, Xinjiang, Shihezi, 832003, China
Kazakh National Agrarian University, Kazakhstan
Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China
Tiankang Biopharmaceutical Co., Ltd., Xinjiang, Urumqi, 830032, China
Key Laboratory of Animal Biopharmaceutical Corps, Xinjiang, Tumxuk, China
College of Animal Science and Technology
Guizhou Provincial Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region
School of Medicine
Kazakh National Agrarian University
Jiangsu Key Laboratory of Zoonosis
Tiankang Biopharmaceutical Co.
Key Laboratory of Animal Biopharmaceutical Corps
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