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Immune tolerance in peripheral CD4+ T cells is cooperatively regulated by PD-1 and CD73 外周血CD4+ T细胞的免疫耐受受PD-1和CD73的协同调节
IF 27.7 1区 医学
Nature Immunology Pub Date : 2025-01-02 DOI: 10.1038/s41590-024-02039-w
Chad A. Brambley, Brian M. Baker
{"title":"Immune tolerance in peripheral CD4+ T cells is cooperatively regulated by PD-1 and CD73","authors":"Chad A. Brambley, Brian M. Baker","doi":"10.1038/s41590-024-02039-w","DOIUrl":"10.1038/s41590-024-02039-w","url":null,"abstract":"A healthy immune system is tolerant to self-antigens while maintaining responsiveness to foreign threats. Co-expression of the inhibitory receptors PD-1 and CD73 regulates tolerance by restricting the expansion of auto-reactive CD4+ T cells independently of thymic selection.","PeriodicalId":19032,"journal":{"name":"Nature Immunology","volume":"26 1","pages":"9-10"},"PeriodicalIF":27.7,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142913072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SLE B cells take an extrafollicular detour after mRNA vaccination 接种mRNA后,SLE B细胞绕道滤泡外
IF 27.7 1区 医学
Nature Immunology Pub Date : 2024-12-27 DOI: 10.1038/s41590-024-02035-0
Sokratis A. Apostolidis, Michela Locci
{"title":"SLE B cells take an extrafollicular detour after mRNA vaccination","authors":"Sokratis A. Apostolidis, Michela Locci","doi":"10.1038/s41590-024-02035-0","DOIUrl":"10.1038/s41590-024-02035-0","url":null,"abstract":"Systemic lupus erythematosus (SLE) is an autoimmune disease with considerable clinical heterogeneity and diverse treatment options. A study now shows that heightened extrafollicular B cells and anti-BAFF therapy are linked to inferior responses to COVID-19 vaccines.","PeriodicalId":19032,"journal":{"name":"Nature Immunology","volume":"26 1","pages":"4-6"},"PeriodicalIF":27.7,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142887519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficacy of CTLA-4 checkpoint therapy is dependent on IL-21 signaling to mediate cytotoxic reprogramming of PD-1+CD8+ T cells CTLA-4检查点疗法的疗效依赖于IL-21信号介导PD-1+CD8+ T细胞的细胞毒性重编程
IF 27.7 1区 医学
Nature Immunology Pub Date : 2024-12-19 DOI: 10.1038/s41590-024-02027-0
Zhen Zhang, Marlene Langenbach, Sagar Sagar, Viktor Fetsch, Jonas Stritzker, Elizabeth Severa, Ke Meng, Frances Winkler, Nisha Rana, Katharina Zoldan, Ira Godbole, Sabrina Solis, Jeffrey S. Weber, David Rafei-Shamsabadi, Saskia Lehr, Rebecca Diehl, Ana Cecilia Venhoff, Reinhard E. Voll, Nico Buettner, Christoph Neumann-Haefelin, Tobias Boettler, Maike Hofmann, Melanie Boerries, Frank Meiss, Robert Zeiser, Robert Thimme, Ramin S. Herati, Bertram Bengsch
{"title":"Efficacy of CTLA-4 checkpoint therapy is dependent on IL-21 signaling to mediate cytotoxic reprogramming of PD-1+CD8+ T cells","authors":"Zhen Zhang, Marlene Langenbach, Sagar Sagar, Viktor Fetsch, Jonas Stritzker, Elizabeth Severa, Ke Meng, Frances Winkler, Nisha Rana, Katharina Zoldan, Ira Godbole, Sabrina Solis, Jeffrey S. Weber, David Rafei-Shamsabadi, Saskia Lehr, Rebecca Diehl, Ana Cecilia Venhoff, Reinhard E. Voll, Nico Buettner, Christoph Neumann-Haefelin, Tobias Boettler, Maike Hofmann, Melanie Boerries, Frank Meiss, Robert Zeiser, Robert Thimme, Ramin S. Herati, Bertram Bengsch","doi":"10.1038/s41590-024-02027-0","DOIUrl":"10.1038/s41590-024-02027-0","url":null,"abstract":"The mechanisms underlying the efficacy of anti-programmed cell death protein 1 (PD-1) and anti-cytotoxic T lymphocyte-associated protein 4 (CTLA-4) therapy are incompletely understood. Here, by immune profiling responding PD-1+CD8+ T (TResp) cell populations from patients with advanced melanoma, we identified differential programming of TResp cells in response to combination therapy, from an exhausted toward a more cytotoxic effector program. This effect does not occur with anti-PD-1 monotherapy. Single-cell transcriptome and T cell receptor repertoire analysis was used to identify altered effector programming of expanding PD-1+CD8+ T cell clones with distinct regulon usage, STAT1 and STAT3 utilization and antitumor specificity connected to interleukin (IL)-21 signaling in combination and anti-CTLA-4 monotherapy. Therapeutic efficacy of CTLA-4 blockade was lost in B16F10 melanoma models with either Il21r− deficiency or anti-IL-21 receptor blockade. Together, these results show how IL-21 signaling to TResp is critical for anti-CTLA-4-based checkpoint therapies and highlight major signaling differences to anti-PD-1 monotherapy. Here the authors dissect the contribution of IL-21 signaling to immune checkpoint-responding CD8+ T cells from mouse models and patients being treated for advanced melanoma.","PeriodicalId":19032,"journal":{"name":"Nature Immunology","volume":"26 1","pages":"92-104"},"PeriodicalIF":27.7,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142849137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pyroptotic corpses are flagged by filopodia to alert dendritic cells 热腐尸体被丝状足标记以警告树突状细胞
IF 27.7 1区 医学
Nature Immunology Pub Date : 2024-12-12 DOI: 10.1038/s41590-024-02025-2
{"title":"Pyroptotic corpses are flagged by filopodia to alert dendritic cells","authors":"","doi":"10.1038/s41590-024-02025-2","DOIUrl":"10.1038/s41590-024-02025-2","url":null,"abstract":"Inflammasomes induce pyroptosis and, through poorly defined mechanisms, promote adaptive immune responses. High-resolution imaging of the explosive morphology of pyroptosis showed that minutes before rupture, gasdermin D instructs the cell to extend filopodia. These structures mark the corpses for recognition by the antigen-sampling receptor CLEC9A on dendritic cells.","PeriodicalId":19032,"journal":{"name":"Nature Immunology","volume":"26 1","pages":"11-12"},"PeriodicalIF":27.7,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142809203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pyroptotic cell corpses are crowned with F-actin-rich filopodia that engage CLEC9A signaling in incoming dendritic cells 热腐细胞尸体顶部有富含f -肌动蛋白的丝状伪足,参与传入树突状细胞的CLEC9A信号
IF 27.7 1区 医学
Nature Immunology Pub Date : 2024-12-04 DOI: 10.1038/s41590-024-02024-3
Caroline L. Holley, Mercedes Monteleone, Daniel Fisch, Alexandre E. S. Libert, Robert J. Ju, Joon H. Choi, Nicholas D. Condon, Stefan Emming, Joanna Crawford, Grace M. E. P. Lawrence, Jared R. Coombs, James G. Lefevre, Rinie Bajracharya, Mireille H. Lahoud, Alpha S. Yap, Nicholas Hamilton, Samantha J. Stehbens, Jonathan C. Kagan, Nicholas Ariotti, Sabrina S. Burgener, Kate Schroder
{"title":"Pyroptotic cell corpses are crowned with F-actin-rich filopodia that engage CLEC9A signaling in incoming dendritic cells","authors":"Caroline L. Holley, Mercedes Monteleone, Daniel Fisch, Alexandre E. S. Libert, Robert J. Ju, Joon H. Choi, Nicholas D. Condon, Stefan Emming, Joanna Crawford, Grace M. E. P. Lawrence, Jared R. Coombs, James G. Lefevre, Rinie Bajracharya, Mireille H. Lahoud, Alpha S. Yap, Nicholas Hamilton, Samantha J. Stehbens, Jonathan C. Kagan, Nicholas Ariotti, Sabrina S. Burgener, Kate Schroder","doi":"10.1038/s41590-024-02024-3","DOIUrl":"10.1038/s41590-024-02024-3","url":null,"abstract":"While apoptosis dismantles the cell to enforce immunological silence, pyroptotic cell death provokes inflammation. Little is known of the structural architecture of cells undergoing pyroptosis, and whether pyroptotic corpses are immunogenic. Here we report that inflammasomes trigger the Gasdermin-D- and calcium-dependent eruption of filopodia from the plasma membrane minutes before pyroptotic cell rupture, to crown the resultant corpse with filopodia. As a rich store of F-actin, pyroptotic filopodia are recognized by dendritic cells through the F-actin receptor, CLEC9A (DNGR1). We propose that cells assemble filopodia before cell rupture to serve as a posthumous mark for a cell that has died by gasdermin-induced pyroptosis, or MLKL-induced necroptosis, for recognition by dendritic cells. This study reveals the spectacular morphology of pyroptosis and identifies a mechanism by which inflammasomes induce pyroptotic cells to construct a de novo alarmin that activates dendritic cells via CLEC9A, which coordinates the transition from innate to adaptive immunity1,2. Pyroptotic cell death results in inflammation. Here the authors find that F-actin-rich structures formed during macrophage pyroptosis persist after cell death to activate dendritic cells.","PeriodicalId":19032,"journal":{"name":"Nature Immunology","volume":"26 1","pages":"42-52"},"PeriodicalIF":27.7,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41590-024-02024-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142763214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Author Correction: Cutaneous T cell lymphoma atlas reveals malignant TH2 cells supported by a B cell-rich tumor microenvironment 作者更正:皮肤T细胞淋巴瘤图谱显示由富含B细胞的肿瘤微环境支持的恶性TH2细胞
IF 27.7 1区 医学
Nature Immunology Pub Date : 2024-12-02 DOI: 10.1038/s41590-024-02046-x
Ruoyan Li, Johanna Strobl, Elizabeth F. M. Poyner, Aya Balbaa, Fereshteh Torabi, Pavel V. Mazin, Nana-Jane Chipampe, Emily Stephenson, Ciro Ramírez-Suástegi, Vijaya Baskar Mahalingam Shanmugiah, Louis Gardner, Bayanne Olabi, Rowen Coulthard, Rachel A. Botting, Nina Zila, Elena Prigmore, Nusayhah H. Gopee, Marta A. Chroscik, Efpraxia Kritikaki, Justin Engelbert, Issac Goh, Hon Man Chan, Harriet F. Johnson, Jasmine Ellis, Victoria Rowe, Win Tun, Gary Reynolds, Dexin Yang, April Rose Foster, Laure Gambardella, Elena Winheim, Chloe Admane, Benjamin Rumney, Lloyd Steele, Laura Jardine, Julia Nenonen, Keir Pickard, Jennifer Lumley, Philip Hampton, Simeng Hu, Fengjie Liu, Xiangjun Liu, David Horsfall, Daniela Basurto-Lozada, Louise Grimble, Chris M. Bacon, Sophie C. Weatherhead, Hanna Brauner, Yang Wang, Fan Bai, Nick J. Reynolds, Judith E. Allen, Constanze Jonak, Patrick M. Brunner, Sarah A. Teichmann, Muzlifah Haniffa
{"title":"Author Correction: Cutaneous T cell lymphoma atlas reveals malignant TH2 cells supported by a B cell-rich tumor microenvironment","authors":"Ruoyan Li, Johanna Strobl, Elizabeth F. M. Poyner, Aya Balbaa, Fereshteh Torabi, Pavel V. Mazin, Nana-Jane Chipampe, Emily Stephenson, Ciro Ramírez-Suástegi, Vijaya Baskar Mahalingam Shanmugiah, Louis Gardner, Bayanne Olabi, Rowen Coulthard, Rachel A. Botting, Nina Zila, Elena Prigmore, Nusayhah H. Gopee, Marta A. Chroscik, Efpraxia Kritikaki, Justin Engelbert, Issac Goh, Hon Man Chan, Harriet F. Johnson, Jasmine Ellis, Victoria Rowe, Win Tun, Gary Reynolds, Dexin Yang, April Rose Foster, Laure Gambardella, Elena Winheim, Chloe Admane, Benjamin Rumney, Lloyd Steele, Laura Jardine, Julia Nenonen, Keir Pickard, Jennifer Lumley, Philip Hampton, Simeng Hu, Fengjie Liu, Xiangjun Liu, David Horsfall, Daniela Basurto-Lozada, Louise Grimble, Chris M. Bacon, Sophie C. Weatherhead, Hanna Brauner, Yang Wang, Fan Bai, Nick J. Reynolds, Judith E. Allen, Constanze Jonak, Patrick M. Brunner, Sarah A. Teichmann, Muzlifah Haniffa","doi":"10.1038/s41590-024-02046-x","DOIUrl":"10.1038/s41590-024-02046-x","url":null,"abstract":"","PeriodicalId":19032,"journal":{"name":"Nature Immunology","volume":"26 1","pages":"147-147"},"PeriodicalIF":27.7,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41590-024-02046-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142758154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Publisher Correction: Disease-associated B cells and immune endotypes shape adaptive immune responses to SARS-CoV-2 mRNA vaccination in human SLE 疾病相关B细胞和免疫内型在人SLE中形成对SARS-CoV-2 mRNA疫苗接种的适应性免疫反应
IF 27.7 1区 医学
Nature Immunology Pub Date : 2024-12-02 DOI: 10.1038/s41590-024-02045-y
Caterina E. Faliti, Trinh T. P. Van, Fabliha A. Anam, Narayanaiah Cheedarla, M. Elliott Williams, Ashish Kumar Mishra, Sabeena Y. Usman, Matthew C. Woodruff, Geoff Kraker, Martin C. Runnstrom, Shuya Kyu, Daniel Sanz, Hasan Ahmed, Midushi Ghimire, Andrea Morrison-Porter, Hannah Quehl, Natalie S. Haddad, Weirong Chen, Suneethamma Cheedarla, Andrew S. Neish, John D. Roback, Rustom Antia, Jennifer Hom, Christopher M. Tipton, John M. Lindner, Eliver Ghosn, Surender Khurana, Christopher D. Scharer, Arezou Khosroshahi, F. Eun-Hyung Lee, Ignacio Sanz
{"title":"Publisher Correction: Disease-associated B cells and immune endotypes shape adaptive immune responses to SARS-CoV-2 mRNA vaccination in human SLE","authors":"Caterina E. Faliti, Trinh T. P. Van, Fabliha A. Anam, Narayanaiah Cheedarla, M. Elliott Williams, Ashish Kumar Mishra, Sabeena Y. Usman, Matthew C. Woodruff, Geoff Kraker, Martin C. Runnstrom, Shuya Kyu, Daniel Sanz, Hasan Ahmed, Midushi Ghimire, Andrea Morrison-Porter, Hannah Quehl, Natalie S. Haddad, Weirong Chen, Suneethamma Cheedarla, Andrew S. Neish, John D. Roback, Rustom Antia, Jennifer Hom, Christopher M. Tipton, John M. Lindner, Eliver Ghosn, Surender Khurana, Christopher D. Scharer, Arezou Khosroshahi, F. Eun-Hyung Lee, Ignacio Sanz","doi":"10.1038/s41590-024-02045-y","DOIUrl":"10.1038/s41590-024-02045-y","url":null,"abstract":"","PeriodicalId":19032,"journal":{"name":"Nature Immunology","volume":"26 1","pages":"148-148"},"PeriodicalIF":27.7,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41590-024-02045-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142758372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Circulating tumor-reactive KIR+CD8+ T cells suppress anti-tumor immunity in patients with melanoma 循环中的肿瘤反应性 KIR+CD8+ T 细胞抑制黑色素瘤患者的抗肿瘤免疫力
IF 27.7 1区 医学
Nature Immunology Pub Date : 2024-11-28 DOI: 10.1038/s41590-024-02023-4
Benjamin Y. Lu, Liliana E. Lucca, Wesley Lewis, Jiping Wang, Catarina V. Nogueira, Sebastian Heer, Violeta Rayon-Estrada, Pierre-Paul Axisa, Sarah M. Reeves, Nicholas C. Buitrago-Pocasangre, Giang H. Pham, Mina L. Kojima, Wei Wei, Lilach Aizenbud, Antonietta Bacchiocchi, Lin Zhang, Joseph J. Walewski, Veronica Chiang, Kelly Olino, James Clune, Ruth Halaban, Yuval Kluger, Anthony J. Coyle, Jan Kisielow, Franz-Josef Obermair, Harriet M. Kluger, David A. Hafler
{"title":"Circulating tumor-reactive KIR+CD8+ T cells suppress anti-tumor immunity in patients with melanoma","authors":"Benjamin Y. Lu, Liliana E. Lucca, Wesley Lewis, Jiping Wang, Catarina V. Nogueira, Sebastian Heer, Violeta Rayon-Estrada, Pierre-Paul Axisa, Sarah M. Reeves, Nicholas C. Buitrago-Pocasangre, Giang H. Pham, Mina L. Kojima, Wei Wei, Lilach Aizenbud, Antonietta Bacchiocchi, Lin Zhang, Joseph J. Walewski, Veronica Chiang, Kelly Olino, James Clune, Ruth Halaban, Yuval Kluger, Anthony J. Coyle, Jan Kisielow, Franz-Josef Obermair, Harriet M. Kluger, David A. Hafler","doi":"10.1038/s41590-024-02023-4","DOIUrl":"10.1038/s41590-024-02023-4","url":null,"abstract":"Effective anti-tumor immunity is driven by cytotoxic CD8+ T cells with specificity for tumor antigens. However, the factors that control successful tumor rejection are not well understood. Here we identify a subpopulation of CD8+ T cells that are tumor-antigen-specific and can be identified by KIR expression but paradoxically impair anti-tumor immunity in patients with melanoma. These tumor-antigen-specific KIR+CD8+ regulatory T cells target other tumor-antigen-specific CD8+ T cells, can be detected in both the tumor and the blood, have a conserved transcriptional program and are associated with a poor overall survival. These findings broaden our understanding of the transcriptional and functional heterogeneity of human CD8+ T cells and implicate KIR+CD8+ regulatory T cells as a cellular mediator of immune evasion in human cancer. Tumor-antigen-specific CD8+ T cells are generally thought to help fight against cancer, but here the authors identify a subpopulation of CD8+ T cells that are associated with a poor clinical outcome in melanoma. Although these cells can recognize tumor antigens, they suppress cancer immunity.","PeriodicalId":19032,"journal":{"name":"Nature Immunology","volume":"26 1","pages":"82-91"},"PeriodicalIF":27.7,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142735577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Macrophages and nociceptor neurons form a sentinel unit around fenestrated capillaries to defend the synovium from circulating immune challenge 巨噬细胞和痛觉神经元在栅栏状毛细血管周围形成一个哨兵单位,保护滑膜免受循环免疫的挑战
IF 27.7 1区 医学
Nature Immunology Pub Date : 2024-11-25 DOI: 10.1038/s41590-024-02011-8
Tetsuo Hasegawa, Colin Y. C. Lee, Andrew J. Hotchen, Aaron Fleming, Rahul Singh, Kunimichi Suzuki, Michisuke Yuzaki, Masahiko Watanabe, Mark A. Birch, Andrew W. McCaskie, Nikolett Lénárt, Krisztina Tóth, Ádám Dénes, Zhaoyuan Liu, Florent Ginhoux, Nathan Richoz, Menna R. Clatworthy
{"title":"Macrophages and nociceptor neurons form a sentinel unit around fenestrated capillaries to defend the synovium from circulating immune challenge","authors":"Tetsuo Hasegawa, Colin Y. C. Lee, Andrew J. Hotchen, Aaron Fleming, Rahul Singh, Kunimichi Suzuki, Michisuke Yuzaki, Masahiko Watanabe, Mark A. Birch, Andrew W. McCaskie, Nikolett Lénárt, Krisztina Tóth, Ádám Dénes, Zhaoyuan Liu, Florent Ginhoux, Nathan Richoz, Menna R. Clatworthy","doi":"10.1038/s41590-024-02011-8","DOIUrl":"10.1038/s41590-024-02011-8","url":null,"abstract":"A wide variety of systemic pathologies, including infectious and autoimmune diseases, are accompanied by joint pain or inflammation, often mediated by circulating immune complexes (ICs). How such stimuli access joints and trigger inflammation is unclear. Whole-mount synovial imaging revealed PV1+ fenestrated capillaries at the periphery of the synovium in the lining–sublining interface. Circulating ICs extravasated from these PV1+ capillaries, and nociceptor neurons and three distinct macrophage subsets formed a sentinel unit around them. Macrophages showed subset-specific responses to systemic IC challenge; LYVE1+CX3CR1+ macrophages orchestrated neutrophil recruitment and activated calcitonin gene-related peptide+ (CGRP+) nociceptor neurons via interleukin-1β. In contrast, major histocompatibility complex class II+CD11c+ (MHCII+CD11c+) and MHCII+CD11c– interstitial macrophages formed tight clusters around PV1+ capillaries in response to systemic immune stimuli, a feature enhanced by nociceptor-derived CGRP. Altogether, we identify the anatomical location of synovial PV1+ capillaries and subset-specific macrophage–nociceptor cross-talk that forms a blood–joint barrier protecting the synovium from circulating immune challenges. Why joints are highly responsive to systemic inflammation is unknown. Hasegawa et al. sought to address this question, developing a whole-mount imaging system of the entire synovium to profile the vascular, neuronal and immune components.","PeriodicalId":19032,"journal":{"name":"Nature Immunology","volume":"25 12","pages":"2270-2283"},"PeriodicalIF":27.7,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41590-024-02011-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142713105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IL-4 promotes immunotherapy resistance IL-4 促进免疫疗法的抗药性
IF 27.7 1区 医学
Nature Immunology Pub Date : 2024-11-25 DOI: 10.1038/s41590-024-02032-3
Paula Jauregui
{"title":"IL-4 promotes immunotherapy resistance","authors":"Paula Jauregui","doi":"10.1038/s41590-024-02032-3","DOIUrl":"10.1038/s41590-024-02032-3","url":null,"abstract":"","PeriodicalId":19032,"journal":{"name":"Nature Immunology","volume":"25 12","pages":"2169-2169"},"PeriodicalIF":27.7,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142713358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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