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CIS controls the functional polarization of GM-CSF-derived macrophages

Cellular & Molecular Immunology 2023年第1期20卷 65-79页

作者： Shengbo Zhang Jai Rautela Naiara G.Bediaga Tatiana B.Kolesnik Yue You Junli Nie Laura F.Dagley justin bedo Hanqing Wang Li Sun Robyn Sutherland Elliot Surgenor Nadia Iannarella Rhys Allan Fernando Souza-Fonseca-Guimaraes Yi Xie Qike Wang Yuxia Zhang Yuekang Xu Stephen L.Nutt Andrew M.Lew Nicholas D.Huntington Sandra E.Nicholson Michaël Chopin Yifan Zhan Walter and Eliza Hall Institute of Medical Research ParkvilleVICAustralia Department of Medical Biology University of MelbourneParkvilleVICAustralia Department of Biochemistry and Molecular Biology Biomedicine Discovery InstituteMonash UniversityClaytonVICAustralia oNKo-Innate Pty Ltd Moonee PondsVICAustralia Department of Computing and Information Systems University of MelbourneParkvilleVICAustralia Department of Respiratory Medicine Guangzhou Institute of PediatricsGuangzhou Women and Children’s Medical CentreState Key Laboratory of Respiratory DiseasesGuangzhou Medical UniversityGuangzhouGuangdongChina College of Biological Science Anhui Normal UniversityHefeiChina University of Queensland Diamantina Institute University of QueenslandTranslational Research InstituteBrisbaneQLDAustralia Program in Cardiovascular and Metabolic Disorders Duke-NUS Medical SchoolDukeSingapore Drug Discovery Shanghai Huaota BiopharmShanghaiChina

The cytokine granulocyte-macrophage-colony stimulating factor (GM-CSF) possesses the capacity to differentiate monocytes into macrophages (MØs) with opposing functions, namely, proinflammatory M1-like MØs and immunosuppressive M2-like MØs. Despite the importance of these opposing biological outcomes, the intrinsic mechanism that regulates the functional polarization of MØs under GM-CSF signaling remains elusive. Here, we showed that GM-CSF-induced MØ polarization resulted in the expression of cytokine-inducible SH2-containing protein (CIS) and that CIS deficiency skewed the differentiation of monocytes toward immunosuppressive M2-like MØs. CIS deficiency resulted in hyperactivation of the JAK-STAT5 signaling pathway, consequently promoting downregulation of the transcription factor Interferon Regulatory Factor 8 (IRF8). Loss- and gain-of-function approaches highlighted IRF8 as a critical regulator of the M1-like polarization program. In vivo, CIS deficiency induced the differentiation of M2-like macrophages, which promoted strong Th2 immune responses characterized by the development of severe experimental asthma. Collectively, our results reveal a CIS-modulated mechanism that clarifies the opposing actions of GM-CSF in MØ differentiation and uncovers the role of GM-CSF in controlling allergic inflammation.

关键词： CIS GM-CSF Macrophage M2 M1

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