Neutrophil-derived vesicles control complement activation to facilitate inflammation resolution

IF 45.5 1区生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Cell Pub Date : 2025-02-11 DOI:10.1016/j.cell.2025.01.021

Alan Y. Hsu, Qingxiang Huang, Xiong Pi, Jianing Fu, Krishnan Raghunathan, Laxman Ghimire, Arumugam Balasubramanian, Xuemei Xie, Hongbo Yu, Fabien Loison, Viraga Haridas, Jiali Zha, Fei Liu, Shin-young Park, Kamal Bagale, Qian Ren, Yuping Fan, Yi Zheng, Jose A. Cancelas, Li Chai, Hongbo R. Luo

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Abstract

Although subsets with immunosuppressive properties exist, neutrophils are typically known for their pro-inflammatory role and pathogen clearance capabilities. Here, we reveal that neutrophils can paradoxically aid in resolving inflammation by actively producing anti-inflammatory extracellular vesicles. These large aging-neutrophil-derived vesicles (LAND-Vs) do not fit into classical vesicle categorizations due to their specific size, structure, or biogenesis pathway. They are protected from efferocytotic clearance by phagocytes due to surface “do not eat me” signals and accumulate in the resolution phase of inflammation. CD55 on LAND-Vs exerts a robust, sustained anti-inflammatory effect by inhibiting complement 3 convertase, thereby reducing neutrophil recruitment and tissue damage. CD55⁺ LAND-Vs originate in ordered lipid raft domains, where CD55 accumulates asymmetrically during neutrophil aging, and are subsequently formed through RhoA-dependent budding. Collectively, LAND-V emerges as a pivotal physiological immunomodulator and showcases functions that transcend the limited lifespan of neutrophils, offering a therapeutic target for inflammatory and infectious diseases.

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来源期刊

Cell 生物-生化与分子生物学

CiteScore

110.00

自引率

0.80%

发文量

396

审稿时长

2 months

期刊介绍： Cells is an international, peer-reviewed, open access journal that focuses on cell biology, molecular biology, and biophysics. It is affiliated with several societies, including the Spanish Society for Biochemistry and Molecular Biology (SEBBM), Nordic Autophagy Society (NAS), Spanish Society of Hematology and Hemotherapy (SEHH), and Society for Regenerative Medicine (Russian Federation) (RPO). The journal publishes research findings of significant importance in various areas of experimental biology, such as cell biology, molecular biology, neuroscience, immunology, virology, microbiology, cancer, human genetics, systems biology, signaling, and disease mechanisms and therapeutics. The primary criterion for considering papers is whether the results contribute to significant conceptual advances or raise thought-provoking questions and hypotheses related to interesting and important biological inquiries. In addition to primary research articles presented in four formats, Cells also features review and opinion articles in its "leading edge" section, discussing recent research advancements and topics of interest to its wide readership.