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VISTA参与在限制中性粒细胞介导的炎症中的作用。

The role of VISTA engagement in limiting neutrophil-mediated inflammation.

作者信息

Nowak Elizabeth C, Li Jiannan, Peters Zachary T, Mendyka Lindsay K, ElTanbouly Mohamed A, Davis Wilson L, Sergent Petra, Lines J Louise, Smits Nicole C, Mabaera Rodwell, Rajanna Shibani, Carriere Catherine, Koehn Brent, Allred Jeremy, Blazar Bruce R, Burns Christopher M, Noelle Randolph J, Skopelja-Gardner Sladjana

机构信息

Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States.

Department of Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States.

出版信息

J Immunol. 2025 Jun 26. doi: 10.1093/jimmun/vkaf132.


DOI:10.1093/jimmun/vkaf132
PMID:40574311
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12336919/
Abstract

A growing body of evidence suggests that the immune checkpoint inhibitory receptor VISTA plays a central role in the regulation of innate immunity in the settings of inflammatory diseases and cancer. Neutrophils are among the cells that have the highest membrane density of surface VISTA. In this study, targeting VISTA on neutrophils with a monoclonal antibody resulted in a striking reduction in their lipopolysaccharide (LPS)- and chemokine-induced peripheral accumulation but did not reduce neutrophil levels at steady state. Fc receptor engagement and macrophages were required for the effects of anti-VISTA antibody on neutrophils. Concomitant with reduced peripheral neutrophil numbers, targeting VISTA increased neutrophil clearance by macrophages in the liver. In a murine model of neutrophil-mediated arthritis, anti-VISTA antibody treatment ameliorated disease severity, which was associated with reduced myeloperoxidase activity in the joints. These studies identify a novel therapeutic opportunity for targeting VISTA to control neutrophil-mediated inflammation and tissue injury.

摘要

越来越多的证据表明,免疫检查点抑制性受体VISTA在炎症性疾病和癌症背景下的固有免疫调节中起核心作用。中性粒细胞是表面VISTA膜密度最高的细胞之一。在本研究中,用单克隆抗体靶向中性粒细胞上的VISTA导致其脂多糖(LPS)和趋化因子诱导的外周聚集显著减少,但并未降低稳态下的中性粒细胞水平。抗VISTA抗体对中性粒细胞的作用需要Fc受体结合和巨噬细胞参与。与外周中性粒细胞数量减少相伴的是,靶向VISTA增加了肝脏中巨噬细胞对中性粒细胞的清除。在中性粒细胞介导的关节炎小鼠模型中,抗VISTA抗体治疗改善了疾病严重程度,这与关节中髓过氧化物酶活性降低有关。这些研究确定了靶向VISTA以控制中性粒细胞介导的炎症和组织损伤的新治疗机会。

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本文引用的文献

[1]
Targeting cell-surface VISTA expression on allospecific naïve T cells promotes tolerance.

Blood. 2025-4-10

[2]
Deterministic reprogramming of neutrophils within tumors.

Science. 2024-1-12

[3]
Crosslinking of membrane CD13 in human neutrophils mediates phagocytosis and production of reactive oxygen species, neutrophil extracellular traps and proinflammatory cytokines.

Front Immunol. 2022

[4]
Transcriptional reprogramming of infiltrating neutrophils drives lung pathology in severe COVID-19 despite low viral load.

Blood Adv. 2023-3-14

[5]
VISTA as a ligand downregulates LPS-mediated inflammation in macrophages and neutrophils.

Cell Immunol. 2022-9

[6]
Comprehensive analysis of liver macrophage composition by flow cytometry and immunofluorescence in murine NASH.

STAR Protoc. 2021-6-18

[7]
VISTA Re-programs Macrophage Biology Through the Combined Regulation of Tolerance and Anti-inflammatory Pathways.

Front Immunol. 2020-10-15

[8]
VISTA deficiency protects from immune complex-mediated glomerulonephritis by inhibiting neutrophil activation.

J Autoimmun. 2020-9

[9]
VISTA is a checkpoint regulator for naïve T cell quiescence and peripheral tolerance.

Science. 2020-1-17

[10]
Defining the Signature of VISTA on Myeloid Cell Chemokine Responsiveness.

Front Immunol. 2019-11-19

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