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Yue C, Hu Y, Yu J, Zhou H, Zhou P, Hu J, Wang X, Gu L, Li Y, Feng Y, Zeng F, Zhao F, Li G, Zhao Q, Zhang C, Zheng H, Wu W, Cui X, Huang N, Wang Z, Cui K, Li J. IL-38 Aggravates Atopic Dermatitis via Facilitating Migration of Langerhans cells. Int J Biol Sci 2024; 20:3094-3112. [PMID: 38904012 PMCID: PMC11186352 DOI: 10.7150/ijbs.93843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 05/17/2024] [Indexed: 06/22/2024] Open
Abstract
Atopic dermatitis (AD) is a common inflammation skin disease that involves dysregulated interplay between immune cells and keratinocytes. Interleukin-38 (IL-38), a poorly characterized IL-1 family cytokine, its role and mechanism in the pathogenesis of AD is elusive. Here, we show that IL-38 is mainly secreted by epidermal keratinocytes and highly expressed in the skin and downregulated in AD lesions. We generated IL-38 keratinocyte-specific knockout mice (K14Cre/+-IL-38f/f ) and induced AD models by 2,4-dinitrofluorobenzene (DNFB). Unexpectedly, after treatment with DNFB, K14Cre/+-IL-38f/f mice were less susceptible to cutaneous inflammation of AD. Moreover, keratinocyte-specific deletion of IL-38 suppressed the migration of Langerhans cells (LCs) into lymph nodes which results in disturbed differentiation of CD4+T cells and decreased the infiltration of immune cells into AD lesions. LCs are a type of dendritic cell that reside specifically in the epidermis and regulate immune responses. We developed LC-like cells in vitro from mouse bone marrow (BM) and treated with recombined IL-38. The results show that IL-38 depended on IL-36R, activated the phosphorylated expression of IRAK4 and NF-κB P65 and upregulated the expression of CCR7 to promoting the migration of LCs, nevertheless, the upregulation disappeared with the addition of IL-36 receptor antagonist (IL-36RA), IRAK4 or NF-κB P65 inhibitor. Furthermore, after treatment with IRAK4 inhibitors, the experimental AD phenotypes were alleviated and so IRAK4 is considered a promising target for the treatment of inflammatory diseases. Overall, our findings indicated a potential pathway that IL-38 depends on IL-36R, leading to LCs migration to promote AD by upregulating CCR7 via IRAK4/NF-κB and implied the prevention and treatment of AD, supporting potential clinical utilization of IRAK4 inhibitors in AD treatment.
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Affiliation(s)
- Chengcheng Yue
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Yawen Hu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Jiadong Yu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Hong Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Pei Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Jing Hu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Xiaoyan Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Linna Gu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Ya Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Yuting Feng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Fanlian Zeng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Fulei Zhao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Guolin Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Qixiang Zhao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Chen Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Huaping Zheng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Wenling Wu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Xinai Cui
- CDUTCM-KEELE Joint Health and Medical Sciences Institute, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Nongyu Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Zhen Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
- Department of Liver Surgery & Liver Transplantation, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, 37 Guo Xue Road, Chengdu, Sichuan 610041, China
| | - Kaijun Cui
- Department of Cardiology, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan 610041, China
| | - Jiong Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
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2
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Zhao J, Andreev I, Silva HM. Resident tissue macrophages: Key coordinators of tissue homeostasis beyond immunity. Sci Immunol 2024; 9:eadd1967. [PMID: 38608039 DOI: 10.1126/sciimmunol.add1967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 03/18/2024] [Indexed: 04/14/2024]
Abstract
Resident tissue macrophages (RTMs) encompass a highly diverse set of cells abundantly present in every tissue and organ. RTMs are recognized as central players in innate immune responses, and more recently their importance beyond host defense has started to be highlighted. Despite sharing a universal name and several canonical markers, RTMs perform remarkably specialized activities tailored to sustain critical homeostatic functions of the organs they reside in. These cells can mediate neuronal communication, participate in metabolic pathways, and secrete growth factors. In this Review, we summarize how the division of labor among different RTM subsets helps support tissue homeostasis. We discuss how the local microenvironment influences the development of RTMs, the molecular processes they support, and how dysregulation of RTMs can lead to disease. Last, we highlight both the similarities and tissue-specific distinctions of key RTM subsets, aiming to coalesce recent classifications and perspectives into a unified view.
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Affiliation(s)
- Jia Zhao
- Laboratory of Immunophysiology, Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA, USA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Ilya Andreev
- Laboratory of Immunophysiology, Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA, USA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Hernandez Moura Silva
- Laboratory of Immunophysiology, Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA, USA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
- Howard Hughes Medical Institute, Cambridge, MA, USA
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3
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Li N, Ke J, Yu Q, Li X, Tang L, Zhang M, Chai X, Wu Q, Lu C, Wu D. Yinxieling decoction ameliorates psoriasis by regulating the differentiation and functions of Langerhans cells via the TGF-β1/PU.1/IL-23 signal axis. Cell Biochem Funct 2024; 42:e3977. [PMID: 38494660 DOI: 10.1002/cbf.3977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 03/19/2024]
Abstract
Langerhans cells (LCs) play a critical role in skin immune responses and the development of psoriasis. Yinxieling (YXL) is a representative Chinese herbal medicine for the treatment of psoriasis in South China. It was found to improve psoriasis without obvious side effects in the clinic. Here we attempted to clarify whether and how YXL regulates the differentiation and functions of LCs in Imiquimod (IMQ)-induced psoriasis in vivo and induced LCs in vitro. The Psoriasis Area Severity Index (PASI) score was used to evaluate the efficacy of YXL for IMQ-induced psoriasis-like mice. Flow cytometry was utilized to analyze the effects of YXL, to regulate the differentiation, migration, maturation, and antigen presentation of LCs. The results show that YXL significantly alleviated skin inflammation, as reduced in PASI score and classic psoriasis characteristics in pathological sections. Although there was no effect on the proportion of total DCs in the skin-draining lymph nodes, the expression of epidermal LCs and its transcription factor PU.1 were both markedly inhibited. LCs were also prevented from migrating from epidermal to skin-draining lymph nodes and mature. In addition, the number of LCs carrying antigens in the epidermis increased, which suggested that YXL could effectively prevent LCs from presenting antigens. In vitro, YXL had a significant impact on inhibiting the differentiation of LCs. Further data showed that YXL decreased the relative expression of transforming growth factor-β (TGFβ) messenger RNA (mRNA) and interleukin-23 (IL-23) mRNAs. Thus, YXL alleviates psoriasis by regulating differentiation, migration, maturation, and antigen presentation via the TGFβ/PU.1/IL-23 signal axis.
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Affiliation(s)
- Ning Li
- Research Group of Material Basis of Chinese Medicine, The Second Clinical Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
- Research institute of Chinese Medicine, Shaanxi Academy of Traditional Chinese Medicine, Xi'an, China
| | - Jiagu Ke
- Research Group of Material Basis of Chinese Medicine, The Second Clinical Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qihua Yu
- Research Group of Material Basis of Chinese Medicine, The Second Clinical Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiong Li
- Research Group of Material Basis of Chinese Medicine, The Second Clinical Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Hospital of Chinese Medicine and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Lipeng Tang
- Research Group of Material Basis of Chinese Medicine, The Second Clinical Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Hospital of Chinese Medicine and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Miaomiao Zhang
- Research Group of Material Basis of Chinese Medicine, The Second Clinical Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Hospital of Chinese Medicine and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Xiaoshu Chai
- Research Group of Material Basis of Chinese Medicine, The Second Clinical Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qiaoling Wu
- Research Group of Material Basis of Chinese Medicine, The Second Clinical Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Chuanjian Lu
- Research Group of Material Basis of Chinese Medicine, The Second Clinical Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Hospital of Chinese Medicine and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
- Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangzhou University of Chinese Medicine, Guangzhou, China
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Dinghong Wu
- Research Group of Material Basis of Chinese Medicine, The Second Clinical Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
- Guangdong Provincial Hospital of Chinese Medicine and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
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4
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Cao M, Wang Z, Lan W, Xiang B, Liao W, Zhou J, Liu X, Wang Y, Zhang S, Lu S, Lang J, Zhao Y. The roles of tissue resident macrophages in health and cancer. Exp Hematol Oncol 2024; 13:3. [PMID: 38229178 PMCID: PMC10790434 DOI: 10.1186/s40164-023-00469-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 12/28/2023] [Indexed: 01/18/2024] Open
Abstract
As integral components of the immune microenvironment, tissue resident macrophages (TRMs) represent a self-renewing and long-lived cell population that plays crucial roles in maintaining homeostasis, promoting tissue remodeling after damage, defending against inflammation and even orchestrating cancer progression. However, the exact functions and roles of TRMs in cancer are not yet well understood. TRMs exhibit either pro-tumorigenic or anti-tumorigenic effects by engaging in phagocytosis and secreting diverse cytokines, chemokines, and growth factors to modulate the adaptive immune system. The life-span, turnover kinetics and monocyte replenishment of TRMs vary among different organs, adding to the complexity and controversial findings in TRMs studies. Considering the complexity of tissue associated macrophage origin, macrophages targeting strategy of each ontogeny should be carefully evaluated. Consequently, acquiring a comprehensive understanding of TRMs' origin, function, homeostasis, characteristics, and their roles in cancer for each specific organ holds significant research value. In this review, we aim to provide an outline of homeostasis and characteristics of resident macrophages in the lung, liver, brain, skin and intestinal, as well as their roles in modulating primary and metastatic cancer, which may inform and serve the future design of targeted therapies.
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Affiliation(s)
- Minmin Cao
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zihao Wang
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Wanying Lan
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
- Guixi Community Health Center of the Chengdu High-Tech Zone, Chengdu, China
| | - Binghua Xiang
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Wenjun Liao
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Jie Zhou
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaomeng Liu
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Yiling Wang
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Shichuan Zhang
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Shun Lu
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Jinyi Lang
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Yue Zhao
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China.
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5
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Bennett CL, Perona-Wright G. Metabolic adaption of mucosal macrophages: Is metabolism a driver of persistence across tissues? Mucosal Immunol 2023; 16:753-763. [PMID: 37385586 PMCID: PMC10564628 DOI: 10.1016/j.mucimm.2023.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/27/2023] [Accepted: 06/17/2023] [Indexed: 07/01/2023]
Abstract
Macrophages play essential roles in tissue homeostasis, defense, and repair. Their functions are highly tissue-specific, and when damage and inflammation stimulate repopulation by circulating monocytes, the incoming monocytes rapidly acquire the same, tissue-specific functions as the previous, resident macrophages. Several environmental factors are thought to guide the functional differentiation of recruited monocytes, including metabolic pressures imposed by the fuel sources available in each tissue. Here we discuss whether such a model of metabolic determinism can be applied to macrophage differentiation across barrier sites, from the lung to the skin. We suggest an alternative model, in which metabolic phenotype is a consequence of macrophage longevity rather than an early driver of tissue-specific adaption.
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Affiliation(s)
- Clare L Bennett
- Department of Haematology, UCL Cancer Institute, University College London, London, UK.
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6
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Zhang S, Audiger C, Chopin M, Nutt SL. Transcriptional regulation of dendritic cell development and function. Front Immunol 2023; 14:1182553. [PMID: 37520521 PMCID: PMC10382230 DOI: 10.3389/fimmu.2023.1182553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 06/28/2023] [Indexed: 08/01/2023] Open
Abstract
Dendritic cells (DCs) are sentinel immune cells that form a critical bridge linking the innate and adaptive immune systems. Extensive research addressing the cellular origin and heterogeneity of the DC network has revealed the essential role played by the spatiotemporal activity of key transcription factors. In response to environmental signals DC mature but it is only following the sensing of environmental signals that DC can induce an antigen specific T cell response. Thus, whilst the coordinate action of transcription factors governs DC differentiation, sensing of environmental signals by DC is instrumental in shaping their functional properties. In this review, we provide an overview that focuses on recent advances in understanding the transcriptional networks that regulate the development of the reported DC subsets, shedding light on the function of different DC subsets. Specifically, we discuss the emerging knowledge on the heterogeneity of cDC2s, the ontogeny of pDCs, and the newly described DC subset, DC3. Additionally, we examine critical transcription factors such as IRF8, PU.1, and E2-2 and their regulatory mechanisms and downstream targets. We highlight the complex interplay between these transcription factors, which shape the DC transcriptome and influence their function in response to environmental stimuli. The information presented in this review provides essential insights into the regulation of DC development and function, which might have implications for developing novel therapeutic strategies for immune-related diseases.
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Affiliation(s)
- Shengbo Zhang
- Immunology Division, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Cindy Audiger
- Immunology Division, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Michaël Chopin
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Stephen L. Nutt
- Immunology Division, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
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7
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Wang J, Parajuli N, Wang Q, Khalasawi N, Peng H, Zhang J, Yin C, Mi QS, Zhou L. MiR-23a Regulates Skin Langerhans Cell Phagocytosis and Inflammation-Induced Langerhans Cell Repopulation. BIOLOGY 2023; 12:925. [PMID: 37508356 PMCID: PMC10376168 DOI: 10.3390/biology12070925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 06/04/2023] [Accepted: 06/13/2023] [Indexed: 07/30/2023]
Abstract
Langerhans cells (LCs) are skin-resident macrophage that act similarly to dendritic cells for controlling adaptive immunity and immune tolerance in the skin, and they are key players in the development of numerous skin diseases. While TGF-β and related downstream signaling pathways are known to control numerous aspects of LC biology, little is known about the epigenetic signals that coordinate cell signaling during LC ontogeny, maintenance, and function. Our previous studies in a total miRNA deletion mouse model showed that miRNAs are critically involved in embryonic LC development and postnatal LC homeostasis; however, the specific miRNA(s) that regulate LCs remain unknown. miR-23a is the first member of the miR-23a-27a-24-2 cluster, a direct downstream target of PU.1 and TGF-b, which regulate the determination of myeloid versus lymphoid fates. Therefore, we used a myeloid-specific miR-23a deletion mouse model to explore whether and how miR-23a affects LC ontogeny and function in the skin. We observed the indispensable role of miR-23a in LC antigen uptake and inflammation-induced LC epidermal repopulation; however, embryonic LC development and postnatal homeostasis were not affected by cells lacking miR23a. Our results suggest that miR-23a controls LC phagocytosis by targeting molecules that regulate efferocytosis and endocytosis, whereas miR-23a promotes homeostasis in bone marrow-derived LCs that repopulate the skin after inflammatory insult by targeting Fas and Bcl-2 family proapoptotic molecules. Collectively, the context-dependent regulatory role of miR-23a in LCs represents an extra-epigenetic layer that incorporates TGF-b- and PU.1-mediated regulation during steady-state and inflammation-induced repopulation.
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Affiliation(s)
- Jie Wang
- Center for Cutaneous Biology and Immunology Research, Department of Dermatology, Henry Ford Health, Detroit, MI 48202, USA; (J.W.); (N.P.); (Q.W.); (C.Y.)
- Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health, Detroit, MI 48202, USA
| | - Nirmal Parajuli
- Center for Cutaneous Biology and Immunology Research, Department of Dermatology, Henry Ford Health, Detroit, MI 48202, USA; (J.W.); (N.P.); (Q.W.); (C.Y.)
- Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health, Detroit, MI 48202, USA
| | - Qiyan Wang
- Center for Cutaneous Biology and Immunology Research, Department of Dermatology, Henry Ford Health, Detroit, MI 48202, USA; (J.W.); (N.P.); (Q.W.); (C.Y.)
- Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health, Detroit, MI 48202, USA
| | - Namir Khalasawi
- Center for Cutaneous Biology and Immunology Research, Department of Dermatology, Henry Ford Health, Detroit, MI 48202, USA; (J.W.); (N.P.); (Q.W.); (C.Y.)
- Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health, Detroit, MI 48202, USA
| | - Hongmei Peng
- Center for Cutaneous Biology and Immunology Research, Department of Dermatology, Henry Ford Health, Detroit, MI 48202, USA; (J.W.); (N.P.); (Q.W.); (C.Y.)
- Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health, Detroit, MI 48202, USA
| | - Jun Zhang
- Center for Cutaneous Biology and Immunology Research, Department of Dermatology, Henry Ford Health, Detroit, MI 48202, USA; (J.W.); (N.P.); (Q.W.); (C.Y.)
- Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health, Detroit, MI 48202, USA
| | - Congcong Yin
- Center for Cutaneous Biology and Immunology Research, Department of Dermatology, Henry Ford Health, Detroit, MI 48202, USA; (J.W.); (N.P.); (Q.W.); (C.Y.)
- Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health, Detroit, MI 48202, USA
| | - Qing-Sheng Mi
- Center for Cutaneous Biology and Immunology Research, Department of Dermatology, Henry Ford Health, Detroit, MI 48202, USA; (J.W.); (N.P.); (Q.W.); (C.Y.)
- Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health, Detroit, MI 48202, USA
- Department of Medicine, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA
- Department of Biochemistry, Microbiology and Immunology, School of Medicine, Wayne State University, Detroit, MI 48202, USA
- Department of Internal Medicine, Henry Ford Health, Detroit, MI 48202, USA
| | - Li Zhou
- Center for Cutaneous Biology and Immunology Research, Department of Dermatology, Henry Ford Health, Detroit, MI 48202, USA; (J.W.); (N.P.); (Q.W.); (C.Y.)
- Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health, Detroit, MI 48202, USA
- Department of Medicine, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA
- Department of Biochemistry, Microbiology and Immunology, School of Medicine, Wayne State University, Detroit, MI 48202, USA
- Department of Internal Medicine, Henry Ford Health, Detroit, MI 48202, USA
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8
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Howell R, Davies J, Clarke MA, Appios A, Mesquita I, Jayal Y, Ringham-Terry B, Boned Del Rio I, Fisher J, Bennett CL. Localized immune surveillance of primary melanoma in the skin deciphered through executable modeling. SCIENCE ADVANCES 2023; 9:eadd1992. [PMID: 37043573 PMCID: PMC10096595 DOI: 10.1126/sciadv.add1992] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 03/10/2023] [Indexed: 06/19/2023]
Abstract
While skin is a site of active immune surveillance, primary melanomas often escape detection. Here, we have developed an in silico model to determine the local cross-talk between melanomas and Langerhans cells (LCs), the primary antigen-presenting cells at the site of melanoma development. The model predicts that melanomas fail to activate LC migration to lymph nodes until tumors reach a critical size, which is determined by a positive TNF-α feedback loop within melanomas, in line with our observations of murine tumors. In silico drug screening, supported by subsequent experimental testing, shows that treatment of primary tumors with MAPK pathway inhibitors may further prevent LC migration. In addition, our in silico model predicts treatment combinations that bypass LC dysfunction. In conclusion, our combined approach of in silico and in vivo studies suggests a molecular mechanism that explains how early melanomas develop under the radar of immune surveillance by LC.
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Affiliation(s)
| | | | - Matthew A. Clarke
- UCL Cancer Institute, University College London, 72 Huntley Street, London WC1E 6DD, UK
| | - Anna Appios
- UCL Cancer Institute, University College London, 72 Huntley Street, London WC1E 6DD, UK
| | - Inês Mesquita
- UCL Cancer Institute, University College London, 72 Huntley Street, London WC1E 6DD, UK
| | - Yashoda Jayal
- UCL Cancer Institute, University College London, 72 Huntley Street, London WC1E 6DD, UK
| | - Ben Ringham-Terry
- UCL Cancer Institute, University College London, 72 Huntley Street, London WC1E 6DD, UK
| | - Isabel Boned Del Rio
- UCL Cancer Institute, University College London, 72 Huntley Street, London WC1E 6DD, UK
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9
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Yu M, Ou Y, Wang H, Gu W. PU.1 interaction with p50 promotes microglial-mediated inflammation in secondary spinal cord injury in SCI rats. Int J Neurosci 2023; 133:389-402. [PMID: 33970748 DOI: 10.1080/00207454.2021.1923017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Purpose/aim of the study Secondary spinal cord injury is the inflammatory damage to surrounding tissues caused by activated microglial-mediated neuroinflammatory responses. The nuclear factor-κB (p65/p50) pathway and PU.1 are closely correlated with inflammatory responses; thus, we examined the relationship and function between PU.1 and p50 in secondary spinal cord injury.Materials and methods In this study, we established an adult rat acute spinal cord injury model to simulate the pathological process of spinal cord injury.Results: We found that the expression of PU.1 was significantly increased at three days after spinal cord injury and mainly expressed in activated microglia. Moreover, p-p50 expression was increased in SCI rats and the protein interacted with PU.1. Lipopolysaccharide was used to induce microglia activation in vitro.Conclusions: The results showed that PU.1 and p-p50 expression was significantly increased and PU.1 interacted with p50 in the nucleus. The levels of tumor necrosis factor-α and interleukin-1β secreted by microglia were detected by enzyme-linked immunosorbent assay. The results showed that when both PU.1 and p50 were overexpressed, tumor necrosis factor-α and interleukin-1β secretion was significantly increased to levels higher than in cells overexpressing PU.1 or p50 alone. These results suggest that PU.1 and p50 interact to promote p65 transcription and the expression of inflammatory factors, which is an important mechanism of the microglial-mediated inflammatory response to secondary injury after spinal cord injury.
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Affiliation(s)
- Mingchen Yu
- Department of Orthopedics, Changzhou Seventh People's Hospital, Changzhou, Jiangsu Province, China.,Nantong University, Nantong, Jiangsu Province, China
| | - Yiqing Ou
- Nantong University, Nantong, Jiangsu Province, China.,The First People's Hospital of Foshan, Foshan, Guangdong Province, China
| | - Hongmei Wang
- Nantong University, Nantong, Jiangsu Province, China
| | - Weidong Gu
- Department of Orthopedics, Changzhou Seventh People's Hospital, Changzhou, Jiangsu Province, China
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10
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Erra Diaz F, Mazzitelli I, Bleichmar L, Melucci C, Thibodeau A, Dalotto Moreno T, Marches R, Rabinovich GA, Ucar D, Geffner J. Concomitant inhibition of PPARγ and mTORC1 induces the differentiation of human monocytes into highly immunogenic dendritic cells. Cell Rep 2023; 42:112156. [PMID: 36842088 DOI: 10.1016/j.celrep.2023.112156] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/29/2022] [Accepted: 02/08/2023] [Indexed: 02/27/2023] Open
Abstract
Monocytes can differentiate into macrophages (Mo-Macs) or dendritic cells (Mo-DCs). The cytokine granulocyte-macrophage colony-stimulating factor (GM-CSF) induces the differentiation of monocytes into Mo-Macs, while the combination of GM-CSF/interleukin (IL)-4 is widely used to generate Mo-DCs for clinical applications and to study human DC biology. Here, we report that pharmacological inhibition of the nuclear receptor peroxisome proliferator-activated receptor gamma (PPARγ) in the presence of GM-CSF and the absence of IL-4 induces monocyte differentiation into Mo-DCs. Remarkably, we find that simultaneous inhibition of PPARγ and the nutrient sensor mammalian target of rapamycin complex 1 (mTORC1) induces the differentiation of Mo-DCs with stronger phenotypic stability, superior immunogenicity, and a transcriptional profile characterized by a strong type I interferon (IFN) signature, a lower expression of a large set of tolerogenic genes, and the differential expression of several transcription factors compared with GM-CSF/IL-4 Mo-DCs. Our findings uncover a pathway that tailors Mo-DC differentiation with potential implications in the fields of DC vaccination and cancer immunotherapy.
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Affiliation(s)
- Fernando Erra Diaz
- Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Ignacio Mazzitelli
- Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Lucía Bleichmar
- Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Claudia Melucci
- Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Asa Thibodeau
- The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA
| | - Tomás Dalotto Moreno
- Laboratorio de Glicomedicina, Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina
| | - Radu Marches
- The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA
| | - Gabriel A Rabinovich
- Laboratorio de Glicomedicina, Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina; Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Duygu Ucar
- The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA; Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA; Institute for Systems Genomics, University of Connecticut Health Center, Farmington, CT 06030, USA.
| | - Jorge Geffner
- Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina.
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11
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Chopra A, Gupta A. Skin as an immune organ and the site of biomimetic, non-invasive vaccination. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2022. [DOI: 10.1016/j.medntd.2022.100196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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12
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Poh AR, O'Brien M, Chisanga D, He H, Baloyan D, Traichel J, Dijkstra C, Chopin M, Nutt S, Whitehead L, Boon L, Parkin A, Lowell C, Pajic M, Shi W, Nikfarjam M, Ernst M. Inhibition of HCK in myeloid cells restricts pancreatic tumor growth and metastasis. Cell Rep 2022; 41:111479. [PMID: 36223746 PMCID: PMC11299506 DOI: 10.1016/j.celrep.2022.111479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 08/18/2022] [Accepted: 09/20/2022] [Indexed: 11/17/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive disease with a low 5-year survival rate and is associated with poor response to therapy. Elevated expression of the myeloid-specific hematopoietic cell kinase (HCK) is observed in PDAC and correlates with reduced patient survival. To determine whether aberrant HCK signaling in myeloid cells is involved in PDAC growth and metastasis, we established orthotopic and intrasplenic PDAC tumors in wild-type and HCK knockout mice. Genetic ablation of HCK impaired PDAC growth and metastasis by inducing an immune-stimulatory endotype in myeloid cells, which in turn reduced the desmoplastic microenvironment and enhanced cytotoxic effector cell infiltration. Consequently, genetic ablation or therapeutic inhibition of HCK minimized metastatic spread, enhanced the efficacy of chemotherapy, and overcame resistance to anti-PD1, anti-CTLA4, or stimulatory anti-CD40 immunotherapy. Our results provide strong rationale for HCK to be developed as a therapeutic target to improve the response of PDAC to chemo- and immunotherapy.
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Affiliation(s)
- Ashleigh R Poh
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC 3084, Australia
| | - Megan O'Brien
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC 3084, Australia
| | - David Chisanga
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC 3084, Australia
| | - Hong He
- Department of Surgery, University of Melbourne and Austin Health, Melbourne, VIC 3084, Australia
| | - David Baloyan
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC 3084, Australia
| | - Jasmin Traichel
- Institute of Molecular Medicine and Cell Research, University of Freiburg, Freiburg 79104, Germany
| | - Christine Dijkstra
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC 3084, Australia
| | - Michaël Chopin
- The Walter and Eliza Hall Institute and University of Melbourne Department of Medical Biology, Melbourne, VIC 3052, Australia
| | - Stephen Nutt
- The Walter and Eliza Hall Institute and University of Melbourne Department of Medical Biology, Melbourne, VIC 3052, Australia
| | - Lachlan Whitehead
- The Walter and Eliza Hall Institute and University of Melbourne Department of Medical Biology, Melbourne, VIC 3052, Australia
| | | | - Ashleigh Parkin
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Clifford Lowell
- University of California San Francisco, San Francisco, CA 94131, USA
| | - Marina Pajic
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia; St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW 2010, Australia
| | - Wei Shi
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC 3084, Australia; Department of Computing and Information Systems, University of Melbourne, Melbourne, VIC 3010, Australia
| | - Mehrdad Nikfarjam
- Department of Surgery, University of Melbourne and Austin Health, Melbourne, VIC 3084, Australia
| | - Matthias Ernst
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC 3084, Australia.
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13
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MUM1/IRF4 is Highly Expressed in Dermatopathic Lymphadenopathy: Potential Utility in Diagnosis and Differential Diagnosis. Am J Surg Pathol 2022; 46:1514-1523. [PMID: 35877199 DOI: 10.1097/pas.0000000000001935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Dermatopathic lymphadenopathy (DL) is a distinctive type of lymph node hyperplasia that typically occurs in the setting of chronic dermatologic diseases. DL generally self-resolves following disappearance of the underlying skin stimulus and does not require any specific therapy. We recently observed multiple myeloma oncogene 1/interferon regulatory factor 4 (MUM1/IRF4) expression in a case of DL using immunohistochemical methods. The goal of this study was to systematically assess DL cases for MUM1/IRF4 expression and to survey other histiocytic and Langerhans cell lesions. We particularly focused on Langerhans cell histiocytosis (LCH) because the differential diagnosis of DL versus LCH in lymph nodes can be challenging. We identified high expression of MUM1/IRF4 in all 22 cases of DL tested. Specifically, MUM1/IRF4+ dendritic cells comprised 50% to 90% (median, 80%) of all dendritic cells in the paracortex of dermatopathic lymph nodes, always showing moderate or strong intensity. Among 10 DL cases stained for MUM1/IRF4 and langerin/CD207 using dual immunohistochemistry, MUM1/IRF4+ and langerin+ Langerhans cells represented 5% to 60% (median, 30%) of paracortical dendritic cells. MUM1/IRF4 was also positive in reactive Langerhans cells in skin biopsy specimens of all cases of spongiotic dermatitis (n=10) and normal skin (n=15), and was negative in all cases of LCH (n=24), Rosai-Dorfman disease (n=10), follicular dendritic cell sarcoma (n=5) and histiocytic sarcoma (n=4). In aggregate, our findings support the utility of MUM1/IRF4 to highlight the dendritic cells of DL and to distinguish DL from other histiocytic and Langerhans cells lesions.
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14
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Poh AR, Love CG, Chisanga D, Steer JH, Baloyan D, Chopin M, Nutt S, Rautela J, Huntington ND, Etemadi N, O’Brien M, O’Keefe R, Ellies LG, Macri C, Mintern JD, Whitehead L, Gangadhara G, Boon L, Chand AL, Lowell CA, Shi W, Pixley FJ, Ernst M. Therapeutic inhibition of the SRC-kinase HCK facilitates T cell tumor infiltration and improves response to immunotherapy. SCIENCE ADVANCES 2022; 8:eabl7882. [PMID: 35731867 PMCID: PMC9216510 DOI: 10.1126/sciadv.abl7882] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Although immunotherapy has revolutionized cancer treatment, many immunogenic tumors remain refractory to treatment. This can be largely attributed to an immunologically "cold" tumor microenvironment characterized by an accumulation of immunosuppressive myeloid cells and exclusion of activated T cells. Here, we demonstrate that genetic ablation or therapeutic inhibition of the myeloid-specific hematopoietic cell kinase (HCK) enables activity of antagonistic anti-programmed cell death protein 1 (anti-PD1), anti-CTLA4, or agonistic anti-CD40 immunotherapies in otherwise refractory tumors and augments response in treatment-susceptible tumors. Mechanistically, HCK ablation reprograms tumor-associated macrophages and dendritic cells toward an inflammatory endotype and enhances CD8+ T cell recruitment and activation when combined with immunotherapy in mice. Meanwhile, therapeutic inhibition of HCK in humanized mice engrafted with patient-derived xenografts counteracts tumor immunosuppression, improves T cell recruitment, and impairs tumor growth. Collectively, our results suggest that therapeutic targeting of HCK activity enhances response to immunotherapy by simultaneously stimulating immune cell activation and inhibiting the immunosuppressive tumor microenvironment.
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Affiliation(s)
- Ashleigh R. Poh
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Heidelberg, Victoria 3084, Australia
| | - Christopher G. Love
- Research Division, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia
| | - David Chisanga
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Heidelberg, Victoria 3084, Australia
| | - James H. Steer
- School of Biomedical Sciences, University of Western Australia, Crawley, Western Australia 6009, Australia
| | - David Baloyan
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Heidelberg, Victoria 3084, Australia
| | - Michaël Chopin
- Walter and Eliza Hall Institute and Department of Medical Biology, University of Melbourne, Melbourne, Victoria 3052, Australia
| | - Stephen Nutt
- Walter and Eliza Hall Institute and Department of Medical Biology, University of Melbourne, Melbourne, Victoria 3052, Australia
| | - Jai Rautela
- Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3186, Australia
- oNKo-Innate Pty Ltd, Moonee Ponds, Victoria 3039, Australia
| | - Nicholas D. Huntington
- Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3186, Australia
- oNKo-Innate Pty Ltd, Moonee Ponds, Victoria 3039, Australia
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria 3186, Australia
| | - Nima Etemadi
- Walter and Eliza Hall Institute and Department of Medical Biology, University of Melbourne, Melbourne, Victoria 3052, Australia
| | - Megan O’Brien
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Heidelberg, Victoria 3084, Australia
| | - Ryan O’Keefe
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Heidelberg, Victoria 3084, Australia
| | - Lesley G. Ellies
- School of Biomedical Sciences, University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Christophe Macri
- Department of Biochemistry and Pharmacology, University of Melbourne and Bio21 Molecular Science and Biotechnology Institute, Melbourne, Victoria 3010, Australia
| | - Justine D. Mintern
- Department of Biochemistry and Pharmacology, University of Melbourne and Bio21 Molecular Science and Biotechnology Institute, Melbourne, Victoria 3010, Australia
| | - Lachlan Whitehead
- Walter and Eliza Hall Institute and Department of Medical Biology, University of Melbourne, Melbourne, Victoria 3052, Australia
| | - Gangadhara Gangadhara
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Heidelberg, Victoria 3084, Australia
| | | | - Ashwini L. Chand
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Heidelberg, Victoria 3084, Australia
| | | | - Wei Shi
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Heidelberg, Victoria 3084, Australia
| | - Fiona J. Pixley
- School of Biomedical Sciences, University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Matthias Ernst
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Heidelberg, Victoria 3084, Australia
- Corresponding author.
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15
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Frutos-Rincón L, Gómez-Sánchez JA, Íñigo-Portugués A, Acosta MC, Gallar J. An Experimental Model of Neuro-Immune Interactions in the Eye: Corneal Sensory Nerves and Resident Dendritic Cells. Int J Mol Sci 2022; 23:ijms23062997. [PMID: 35328417 PMCID: PMC8951464 DOI: 10.3390/ijms23062997] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 02/28/2022] [Accepted: 03/04/2022] [Indexed: 12/04/2022] Open
Abstract
The cornea is an avascular connective tissue that is crucial, not only as the primary barrier of the eye but also as a proper transparent refractive structure. Corneal transparency is necessary for vision and is the result of several factors, including its highly organized structure, the physiology of its few cellular components, the lack of myelinated nerves (although it is extremely innervated), the tightly controlled hydration state, and the absence of blood and lymphatic vessels in healthy conditions, among others. The avascular, immune-privileged tissue of the cornea is an ideal model to study the interactions between its well-characterized and dense sensory nerves (easily accessible for both focal electrophysiological recording and morphological studies) and the low number of resident immune cell types, distinguished from those cells migrating from blood vessels. This paper presents an overview of the corneal structure and innervation, the resident dendritic cell (DC) subpopulations present in the cornea, their distribution in relation to corneal nerves, and their role in ocular inflammatory diseases. A mouse model in which sensory axons are constitutively labeled with tdTomato and DCs with green fluorescent protein (GFP) allows further analysis of the neuro-immune crosstalk under inflammatory and steady-state conditions of the eye.
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Affiliation(s)
- Laura Frutos-Rincón
- Instituto de Neurociencias, Universidad Miguel Hernández—Consejo Superior de Investigaciones Científicas, 03550 San Juan de Alicante, Spain; (L.F.-R.); (A.Í.-P.); (M.C.A.); (J.G.)
- The European University of Brain and Technology-NeurotechEU, 03550 San Juan de Alicante, Spain
| | - José Antonio Gómez-Sánchez
- Instituto de Neurociencias, Universidad Miguel Hernández—Consejo Superior de Investigaciones Científicas, 03550 San Juan de Alicante, Spain; (L.F.-R.); (A.Í.-P.); (M.C.A.); (J.G.)
- Correspondence: ; Tel.: +34-965-91-9594
| | - Almudena Íñigo-Portugués
- Instituto de Neurociencias, Universidad Miguel Hernández—Consejo Superior de Investigaciones Científicas, 03550 San Juan de Alicante, Spain; (L.F.-R.); (A.Í.-P.); (M.C.A.); (J.G.)
| | - M. Carmen Acosta
- Instituto de Neurociencias, Universidad Miguel Hernández—Consejo Superior de Investigaciones Científicas, 03550 San Juan de Alicante, Spain; (L.F.-R.); (A.Í.-P.); (M.C.A.); (J.G.)
- The European University of Brain and Technology-NeurotechEU, 03550 San Juan de Alicante, Spain
| | - Juana Gallar
- Instituto de Neurociencias, Universidad Miguel Hernández—Consejo Superior de Investigaciones Científicas, 03550 San Juan de Alicante, Spain; (L.F.-R.); (A.Í.-P.); (M.C.A.); (J.G.)
- The European University of Brain and Technology-NeurotechEU, 03550 San Juan de Alicante, Spain
- Instituto de Investigación Biomédica y Sanitaria de Alicante, 03010 Alicante, Spain
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16
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Tuong ZK, Lukowski SW, Nguyen QH, Chandra J, Zhou C, Gillinder K, Bashaw AA, Ferdinand JR, Stewart BJ, Teoh SM, Hanson SJ, Devitt K, Clatworthy MR, Powell JE, Frazer IH. A model of impaired Langerhans cell maturation associated with HPV induced epithelial hyperplasia. iScience 2021; 24:103326. [PMID: 34805788 PMCID: PMC8586807 DOI: 10.1016/j.isci.2021.103326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/29/2021] [Accepted: 10/19/2021] [Indexed: 12/24/2022] Open
Abstract
Langerhans cells (LC) are skin-resident antigen-presenting cells that regulate immune responses to epithelial microorganisms. Human papillomavirus (HPV) infection can promote malignant epithelial transformation. As LCs are considered important for controlling HPV infection, we compared the transcriptome of murine LCs from skin transformed by K14E7 oncoprotein and from healthy skin. We identified transcriptome heterogeneity at the single cell level amongst LCs in normal skin, associated with ontogeny, cell cycle, and maturation. We identified a balanced co-existence of immune-stimulatory and immune-inhibitory LC cell states in normal skin that was significantly disturbed in HPV16 E7-transformed skin. Hyperplastic skin was depleted of immune-stimulatory LCs and enriched for LCs with an immune-inhibitory gene signature, and LC-keratinocyte crosstalk was dysregulated. We identified reduced expression of interleukin (IL)-34, a critical molecule for LC homeostasis. Enrichment of an immune-inhibitory LC gene signature and reduced levels of epithelial IL-34 were also found in human HPV-associated cervical epithelial cancers. Single cell atlas of Langerhans cells in cutaneous skin Stimulatory and inhibitory Langerhans cell states are in balance Inhibitory Langerhans cell states dominate HPV-transformed hyperplastic skin Langerhans cell imbalance is associated with disrupted IL-34 signaling
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Affiliation(s)
- Zewen K Tuong
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia.,Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK
| | - Samuel W Lukowski
- Australia Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Quan H Nguyen
- Australia Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Janin Chandra
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Chenhao Zhou
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Kevin Gillinder
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Abate A Bashaw
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - John R Ferdinand
- Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK
| | - Benjamin J Stewart
- Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK
| | - Siok Min Teoh
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Sarah J Hanson
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Katharina Devitt
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Menna R Clatworthy
- Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK.,Wellcome Trust Sanger Institute, Hinxton, UK
| | - Joseph E Powell
- Garvan-Weizmann Centre for Cellular Genomics, Garvan Institute of Medical Research, Darlinghurst, NSW 2010, Australia
| | - Ian H Frazer
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
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17
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Li YT, Yamazaki S, Takaki E, Ouchi Y, Kitayama T, Tamai K. PDGFRα-lineage origin directs monocytes to trafficking proficiency to support peripheral immunity. Eur J Immunol 2021; 52:204-221. [PMID: 34708880 PMCID: PMC9299050 DOI: 10.1002/eji.202149479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 10/11/2021] [Accepted: 10/25/2021] [Indexed: 12/03/2022]
Abstract
Multiple embryonic precursors give rise to leukocytes in adults while the lineage‐based functional impacts are underappreciated. Mesodermal precursors expressing PDGFRα appear transiently during E7.5‐8.5 descend to a subset of Lin–Sca1+Kit+ hematopoietic progenitors found in adult BM. By analyzing a PDGFRα‐lineage tracing mouse line, we here report that PDGFRα‐lineage BM F4/80+SSClo monocytes/macrophages are solely Ly6C+LFA‐1hiMac‐1hi monocytes enriched on the abluminal sinusoidal endothelium while Ly6C–LFA‐1loMac‐1lo macrophages are mostly from non‐PDGFRα‐lineage in vivo. Monocytes with stronger integrin profiles outcompete macrophages for adhesion on an endothelial monolayer or surfaces coated with ICAM‐1‐Fc or VCAM‐1‐Fc. Egress of PDGFRα‐lineage‐rich monocytes and subsequent differentiation to peripheral macrophages spatially segregates them from non‐PDGFRα‐lineage BM‐resident macrophages and allows functional specialization since macrophages derived from these egressing monocytes differ in morphology, phenotype, and functionality from BM‐resident macrophages in culture. Extravasation preference for blood PDGFRα‐lineage monocytes varies by tissues and governs the local lineage composition of macrophages. More PDGFRα‐lineage classical monocytes infiltrated into skin and colon but not into peritoneum. Accordingly, transcriptomic analytics indicated augmented inflammatory cascades in dermatitis skin of BM‐chimeric mice harbouring only PDGFRα‐lineage leukocytes. Thus, the PDGFRα‐lineage origin biasedly generates monocytes predestined for BM exit to support peripheral immunity following extravasation and macrophage differentiation.
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Affiliation(s)
- Yu-Tung Li
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan
| | | | | | | | | | - Katsuto Tamai
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan
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18
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Lecoeur H, Prina E, Gutiérrez-Sanchez M, Späth GF. Going ballistic: Leishmania nuclear subversion of host cell plasticity. Trends Parasitol 2021; 38:205-216. [PMID: 34666937 DOI: 10.1016/j.pt.2021.09.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/22/2021] [Accepted: 09/22/2021] [Indexed: 12/16/2022]
Abstract
Intracellular parasites have evolved intricate strategies to subvert host cell functions for their own survival. These strategies are particularly damaging to the host if the infection involves immune cells, as illustrated by protozoan parasites of the genus Leishmania that thrive inside mononuclear phagocytic cells, causing devastating immunopathologies. While the impact of Leishmania infection on host cell phenotype and functions has been well documented, the regulatory mechanisms underlying host cell subversion were only recently investigated. Here we summarize the current knowledge on how Leishmania infection affects host nuclear activities and propose thought-provoking new concepts on the reciprocal relationship between epigenetic and transcriptional regulation in host cell phenotypic plasticity, its potential subversion by the intracellular parasite, and its relevance for host-directed therapy.
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Affiliation(s)
- Hervé Lecoeur
- Institut Pasteur, Université de Paris, INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Paris, France
| | - Eric Prina
- Institut Pasteur, Université de Paris, INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Paris, France
| | - Maria Gutiérrez-Sanchez
- Institut Pasteur, Université de Paris, INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Paris, France; UMR 8076 CNRS BioCIS, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Gerald F Späth
- Institut Pasteur, Université de Paris, INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Paris, France.
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19
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Zhan Y, Zhang Y, Zhang S, Coughlan H, Baldoni PL, Jacquelot N, Cao WHJ, Preston S, Louis C, Rautela J, Pellegrini M, Wicks IP, Alexander WS, Harrison LC, Lew AM, Smyth GK, Nutt SL, Chopin M. Differential requirement for the Polycomb repressor complex 2 in dendritic cell and tissue-resident myeloid cell homeostasis. Sci Immunol 2021; 6:eabf7268. [PMID: 34533976 DOI: 10.1126/sciimmunol.abf7268] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Yifan Zhan
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia.,Drug Discovery, Shanghai Huaota Biopharma, Shanghai, China
| | - Yuxia Zhang
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia.,Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou, Guangdong 510623, China
| | - Shengbo Zhang
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Hannah Coughlan
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Pedro L Baldoni
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Nicolas Jacquelot
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Wang H J Cao
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Simon Preston
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Cynthia Louis
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Jai Rautela
- Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Marc Pellegrini
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Ian P Wicks
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Warren S Alexander
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Leonard C Harrison
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Andrew M Lew
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia.,Department of Microbiology and Immunology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Gordon K Smyth
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,School of Mathematics and Statistics, University of Melbourne, Parkville, VIC 3010, Australia
| | - Stephen L Nutt
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Michaël Chopin
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia
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20
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Abstract
Tissue-resident macrophages are present in most tissues with developmental, self-renewal, or functional attributes that do not easily fit into a textbook picture of a plastic and multifunctional macrophage originating from hematopoietic stem cells; nor does it fit a pro- versus anti-inflammatory paradigm. This review presents and discusses current knowledge on the developmental biology of macrophages from an evolutionary perspective focused on the function of macrophages, which may aid in study of developmental, inflammatory, tumoral, and degenerative diseases. We also propose a framework to investigate the functions of macrophages in vivo and discuss how inherited germline and somatic mutations may contribute to the roles of macrophages in diseases.
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Affiliation(s)
- Nehemiah Cox
- Immunology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA;
| | - Maria Pokrovskii
- Immunology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA;
| | - Rocio Vicario
- Immunology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA;
| | - Frederic Geissmann
- Immunology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA;
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21
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Zyulina V, Yan KK, Ju B, Schwarzenberger E, Passegger C, Tam-Amersdorfer C, Pan Q, Sconocchia T, Pollack C, Shaner B, Zebisch A, Easton J, Yu J, Silva JM, Strobl H. The miR-424(322)/503 gene cluster regulates pro- versus anti-inflammatory skin DC subset differentiation by modulating TGF-β signaling. Cell Rep 2021; 35:109049. [PMID: 33910004 DOI: 10.1016/j.celrep.2021.109049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 12/26/2020] [Accepted: 04/06/2021] [Indexed: 11/15/2022] Open
Abstract
Transforming growth factor β (TGF-β) family ligands are key regulators of dendritic cell (DC) differentiation and activation. Epidermal Langerhans cells (LCs) require TGF-β family signaling for their differentiation, and canonical TGF-β1 signaling secures a non-activated LC state. LCs reportedly control skin inflammation and are replenished from peripheral blood monocytes, which also give rise to pro-inflammatory monocyte-derived DCs (moDCs). By studying mechanisms in inflammation, we previously screened LCs versus moDCs for differentially expressed microRNAs (miRNAs). This revealed that miR-424/503 is the most strongly inversely regulated (moDCs > LCs). We here demonstrate that miR-424/503 is induced during moDC differentiation and promotes moDC differentiation in human and mouse. Inversely, forced repression of miR-424 during moDC differentiation facilitates TGF-β1-dependent LC differentiation. Mechanistically, miR-424/503 deficiency in monocyte/DC precursors leads to the induction of TGF-β1 response genes critical for LC differentiation. Therefore, the miR-424/503 gene cluster plays a decisive role in anti-inflammatory LC versus pro-inflammatory moDC differentiation from monocytes.
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Affiliation(s)
- Victoria Zyulina
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, 8010 Graz, Austria
| | - Koon-Kiu Yan
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105-3678, USA
| | - Bensheng Ju
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105-3678, USA
| | - Elke Schwarzenberger
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, 8010 Graz, Austria
| | - Christina Passegger
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, 8010 Graz, Austria
| | - Carmen Tam-Amersdorfer
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, 8010 Graz, Austria
| | - Qingfei Pan
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105-3678, USA
| | - Tommaso Sconocchia
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, 8010 Graz, Austria
| | - Christian Pollack
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, 8010 Graz, Austria
| | - Bridget Shaner
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105-3678, USA
| | - Armin Zebisch
- Division of Hematology, Medical University of Graz, 8010 Graz, Austria; Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, 8010 Graz, Austria
| | - John Easton
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105-3678, USA
| | - Jiyang Yu
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105-3678, USA
| | - Jose M Silva
- Department of Pathology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-6574, USA.
| | - Herbert Strobl
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, 8010 Graz, Austria.
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22
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Polak ME, Singh H. Tolerogenic and immunogenic states of Langerhans cells are orchestrated by epidermal signals acting on a core maturation gene module. Bioessays 2021; 43:e2000182. [PMID: 33645739 DOI: 10.1002/bies.202000182] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 12/11/2022]
Abstract
Langerhans cells (LCs), residing in the epidermis, are able to induce potent immunogenic responses and also to mediate immune tolerance. We propose that tolerogenic and immunogenic responses of LCs are directed by signaling from the epidermis and involve counter-acting gene circuits that are coupled to a core maturation gene module. We base our analysis on recent genetic and genomic findings facilitating the understanding of the molecular mechanisms controlling these divergent immune functions. Comparing gene regulatory network (GRN) analyses of various types of dendritic cells (DCs) including LCs we integrate signaling-dependent (TGFβ, EpCAM, β-Catenin) and transcription factor (IRF4, IRF1, NFκB) regulated gene circuits that appear to orchestrate the distinctive LC functional states. Our model proposes, that while epidermal signaling in the steady-state promotes LC tolerogenic function, the disruption of cell-cell contacts coupled with inflammatory signaling induces LC immunogenic programing. The conceptual framework emphasizes the sensing of discrete epidermal and inflammatory cues by resident LCs in dictating their genomic programing and cell state dynamics.
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Affiliation(s)
- Marta E Polak
- Clinical and Experimental Sciences, Sir Henry Wellcome Laboratories, Faculty of Medicine, University of Southampton, Southampton, UK.,Institute for Life Sciences, University of Southampton, Southampton, UK
| | - Harinder Singh
- Center for Systems Immunology, Departments of Immunology and Computational and Systems Biology, The University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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23
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Abstract
The cornea is a special interface between the internal ocular tissue and the external environment that provides a powerful chemical, physical, and biological barrier against the invasion of harmful substances and pathogenic microbes. This protective effect is determined by the unique anatomical structure and cellular composition of the cornea, especially its locally resident innate immune cells, such as Langerhans cells (LCs), mast cells (MCs), macrophages, γδ T lymphocytes, and innate lymphoid cells. Recent studies have demonstrated the importance of these immune cells in terms of producing different cytokines and other growth factors in corneal homeostasis and its pathologic conditions. This review paper briefly describes the latest information on these resident immune cells by specifically analyzing research from our laboratory.
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Affiliation(s)
- Jun Liu
- International Ocular Surface Research Center, Institute of Ophthalmology, and Key Laboratory for Regenerative Medicine, Jinan University Medical School, Guangzhou, China
| | - Zhijie Li
- International Ocular Surface Research Center, Institute of Ophthalmology, and Key Laboratory for Regenerative Medicine, Jinan University Medical School, Guangzhou, China
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24
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Cannatella J, Ganapathi K, Horvai A. Hematolymphoid Neoplasms Rarely Mimic Undifferentiated Pleomorphic Sarcoma of Soft Tissue. Arch Pathol Lab Med 2021; 144:1547-1552. [PMID: 32167380 DOI: 10.5858/arpa.2019-0580-oa] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/28/2020] [Indexed: 11/06/2022]
Abstract
CONTEXT.— Undifferentiated pleomorphic sarcoma (UPS) of soft tissue is defined as a sarcoma with no recognizable line of differentiation. During the past few decades, advances in ancillary studies and review of prior UPS diagnoses have narrowed the category of UPS by excluding more-specific malignancies. However, few of those studies have specifically targeted pleomorphic hematolymphoid neoplasms. OBJECTIVE.— To determine what fraction of UPS cases are misclassified pleomorphic hematolymphoid neoplasms, such as anaplastic large cell lymphoma, diffuse large B-cell lymphoma, histiocytic sarcoma (HS), myeloid sarcoma, and follicular dendritic cell sarcoma. DESIGN.— Sixty-one UPS cases were screened by tissue microarray and an immunostain panel with subsequent analysis on whole block sections for suspicious cases. RESULTS.— Five of 61 tumors (8%) were suggestive of HS based on the screening panel and were further evaluated with additional immunostains (PU.1, CD45, CD163) using whole sections. The 5 candidate HS cases were only focally positive for at most one stain with most staining in smaller, less-pleomorphic cells. Ultimately, no UPS met criteria for anaplastic large cell lymphoma, diffuse large B-cell lymphoma, myeloid sarcoma, follicular dendritic cell sarcoma, or HS. CONCLUSIONS.— Our results suggest that a UPS of somatic soft tissue is unlikely to represent a misclassified hematopoietic malignancy. Exclusion of HS is most challenging, but immunostaining for PU.1, a nuclear transcription factor, may be easier to interpret in this context.
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Affiliation(s)
- John Cannatella
- From the Department of Pathology (Cannatella, Horvai), University of California, San Francisco, San Francisco.,Cannatella is now with the Department of Pathology, University of Arkansas for Medical Sciences, Little Rock
| | - Karthik Ganapathi
- Department of Laboratory Medicine (Ganapathi), University of California, San Francisco, San Francisco
| | - Andrew Horvai
- From the Department of Pathology (Cannatella, Horvai), University of California, San Francisco, San Francisco
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25
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Soltani S, Mahmoudi M, Farhadi E. Dendritic Cells Currently under the Spotlight; Classification and Subset Based upon New Markers. Immunol Invest 2020; 50:646-661. [PMID: 32597286 DOI: 10.1080/08820139.2020.1783289] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Dendritic cells (DCs) are considered as a subset of mononuclear phagocytes that composed of multiple subsets with distinct phenotypic features. DCs play crucial roles in the initiation and modulation of immune responses to both allo- and auto-antigens during pathogenic settings, encompassing infectious diseases, cancer, autoimmunity, transplantation, as well as vaccination. DCs play a role in preventing autoimmunity via inducing tolerance to self-antigens. This review focus on the most common subsets of DCs in human. Owing to the low frequencies of DC cells in blood and tissues and also the lack of specific DC markers, studies of DCs have been greatly hindered. Human DCs arise by a dedicated pathway of lympho-myeloid hematopoiesis and give rise into specialized subtypes under the influence of transcription factors that are specific for each linage. In humans, the classification of DCs has been generally separated into the blood and cutaneous subsets, mainly because these parts are more comfortable to examine in humans.
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Affiliation(s)
- Samaneh Soltani
- Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahdi Mahmoudi
- Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Inflammation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Elham Farhadi
- Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Inflammation Research Center, Tehran University of Medical Sciences, Tehran, Iran
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26
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Qian J, Olbrecht S, Boeckx B, Vos H, Laoui D, Etlioglu E, Wauters E, Pomella V, Verbandt S, Busschaert P, Bassez A, Franken A, Bempt MV, Xiong J, Weynand B, van Herck Y, Antoranz A, Bosisio FM, Thienpont B, Floris G, Vergote I, Smeets A, Tejpar S, Lambrechts D. A pan-cancer blueprint of the heterogeneous tumor microenvironment revealed by single-cell profiling. Cell Res 2020; 30:745-762. [PMID: 32561858 PMCID: PMC7608385 DOI: 10.1038/s41422-020-0355-0] [Citation(s) in RCA: 350] [Impact Index Per Article: 87.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 05/05/2020] [Indexed: 12/16/2022] Open
Abstract
The stromal compartment of the tumor microenvironment consists of a heterogeneous set of tissue-resident and tumor-infiltrating cells, which are profoundly moulded by cancer cells. An outstanding question is to what extent this heterogeneity is similar between cancers affecting different organs. Here, we profile 233,591 single cells from patients with lung, colorectal, ovary and breast cancer (n = 36) and construct a pan-cancer blueprint of stromal cell heterogeneity using different single-cell RNA and protein-based technologies. We identify 68 stromal cell populations, of which 46 are shared between cancer types and 22 are unique. We also characterise each population phenotypically by highlighting its marker genes, transcription factors, metabolic activities and tissue-specific expression differences. Resident cell types are characterised by substantial tissue specificity, while tumor-infiltrating cell types are largely shared across cancer types. Finally, by applying the blueprint to melanoma tumors treated with checkpoint immunotherapy and identifying a naïve CD4+ T-cell phenotype predictive of response to checkpoint immunotherapy, we illustrate how it can serve as a guide to interpret scRNA-seq data. In conclusion, by providing a comprehensive blueprint through an interactive web server, we generate the first panoramic view on the shared complexity of stromal cells in different cancers.
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Affiliation(s)
- Junbin Qian
- VIB Center for Cancer Biology, Leuven, Belgium.,Laboratory for Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
| | - Siel Olbrecht
- VIB Center for Cancer Biology, Leuven, Belgium.,Laboratory for Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium.,Department of Obstetrics and Gynaecology, University Hospitals Leuven, Leuven, Belgium
| | - Bram Boeckx
- VIB Center for Cancer Biology, Leuven, Belgium.,Laboratory for Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
| | - Hanne Vos
- Department of Oncology, KU Leuven, Surgical Oncology, University Hospitals Leuven, Leuven, Belgium
| | - Damya Laoui
- Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium.,Myeloid Cell Immunology Lab, VIB Center for Inflammation Research, Brussels, Belgium
| | - Emre Etlioglu
- Laboratory of Molecular Digestive Oncology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Els Wauters
- Respiratory Oncology Unit (Pneumology) and Leuven Lung Cancer Group, University Hospital KU Leuven, Leuven, Belgium.,Laboratory of Pneumology, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
| | - Valentina Pomella
- Laboratory of Molecular Digestive Oncology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Sara Verbandt
- Laboratory of Molecular Digestive Oncology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Pieter Busschaert
- Department of Obstetrics and Gynaecology, University Hospitals Leuven, Leuven, Belgium
| | - Ayse Bassez
- VIB Center for Cancer Biology, Leuven, Belgium.,Laboratory for Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
| | - Amelie Franken
- VIB Center for Cancer Biology, Leuven, Belgium.,Laboratory for Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
| | - Marlies Vanden Bempt
- VIB Center for Cancer Biology, Leuven, Belgium.,Laboratory for Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
| | - Jieyi Xiong
- VIB Center for Cancer Biology, Leuven, Belgium.,Laboratory for Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
| | - Birgit Weynand
- Department of Imaging and Pathology, Laboratory of Translational Cell & Tissue Research and University Hospitals Leuven, Department of Pathology, KU Leuven-University of Leuven, B-3000, Leuven, Belgium
| | | | - Asier Antoranz
- Department of Imaging and Pathology, Laboratory of Translational Cell & Tissue Research and University Hospitals Leuven, Department of Pathology, KU Leuven-University of Leuven, B-3000, Leuven, Belgium
| | - Francesca Maria Bosisio
- Department of Imaging and Pathology, Laboratory of Translational Cell & Tissue Research and University Hospitals Leuven, Department of Pathology, KU Leuven-University of Leuven, B-3000, Leuven, Belgium
| | - Bernard Thienpont
- Laboratory for Functional Epigenetics, Department of Human Genetics, KU Leuven, Leuven, Belgium
| | - Giuseppe Floris
- Department of Imaging and Pathology, Laboratory of Translational Cell & Tissue Research and University Hospitals Leuven, Department of Pathology, KU Leuven-University of Leuven, B-3000, Leuven, Belgium
| | - Ignace Vergote
- Department of Obstetrics and Gynaecology, University Hospitals Leuven, Leuven, Belgium
| | - Ann Smeets
- Department of Oncology, KU Leuven, Surgical Oncology, University Hospitals Leuven, Leuven, Belgium
| | - Sabine Tejpar
- Laboratory of Molecular Digestive Oncology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Diether Lambrechts
- VIB Center for Cancer Biology, Leuven, Belgium. .,Laboratory for Translational Genetics, Department of Human Genetics, KU Leuven, Leuven, Belgium.
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27
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Ferrer IR, West HC, Henderson S, Ushakov DS, Santos E Sousa P, Strid J, Chakraverty R, Yates AJ, Bennett CL. A wave of monocytes is recruited to replenish the long-term Langerhans cell network after immune injury. Sci Immunol 2020; 4:4/38/eaax8704. [PMID: 31444235 DOI: 10.1126/sciimmunol.aax8704] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 07/15/2019] [Indexed: 12/21/2022]
Abstract
A dense population of embryo-derived Langerhans cells (eLCs) is maintained within the sealed epidermis without contribution from circulating cells. When this network is perturbed by transient exposure to ultraviolet light, short-term LCs are temporarily reconstituted from an initial wave of monocytes but thought to be superseded by more permanent repopulation with undefined LC precursors. However, the extent to which this process is relevant to immunopathological processes that damage LC population integrity is not known. Using a model of allogeneic hematopoietic stem cell transplantation, where alloreactive T cells directly target eLCs, we have asked whether and how the original LC network is ultimately restored. We find that donor monocytes, but not dendritic cells, are the precursors of long-term LCs in this context. Destruction of eLCs leads to recruitment of a wave of monocytes that engraft in the epidermis and undergo a sequential pathway of differentiation via transcriptionally distinct EpCAM+ precursors. Monocyte-derived LCs acquire the capacity of self-renewal, and proliferation in the epidermis matched that of steady-state eLCs. However, we identified a bottleneck in the differentiation and survival of epidermal monocytes, which, together with the slow rate of renewal of mature LCs, limits repair of the network. Furthermore, replenishment of the LC network leads to constitutive entry of cells into the epidermal compartment. Thus, immune injury triggers functional adaptation of mechanisms used to maintain tissue-resident macrophages at other sites, but this process is highly inefficient in the skin.
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Affiliation(s)
- Ivana R Ferrer
- Institute for Immunity and Transplantation, Division of Infection and Immunity, University College London, London NW3 2PF, UK and Cancer Institute Department of Haematology, Division of Cancer Studies, University College London, London WC1E 6DD, UK
| | - Heather C West
- Institute for Immunity and Transplantation, Division of Infection and Immunity, University College London, London NW3 2PF, UK and Cancer Institute Department of Haematology, Division of Cancer Studies, University College London, London WC1E 6DD, UK
| | - Stephen Henderson
- Bill Lyons Informatics Centre, Cancer Institute, University College London, London WC1E 6DD, UK
| | - Dmitry S Ushakov
- Peter Gorer Department of Immunobiology, School of Immunology and Microbial Sciences, King's College London, New Hunt's House, Newcomen Street, London SE1 1UL, UK
| | - Pedro Santos E Sousa
- Institute for Immunity and Transplantation, Division of Infection and Immunity, University College London, London NW3 2PF, UK and Cancer Institute Department of Haematology, Division of Cancer Studies, University College London, London WC1E 6DD, UK
| | - Jessica Strid
- Division of Immunology and Inflammation, Imperial College London, Hammersmith Campus, London W12 0NN, UK
| | - Ronjon Chakraverty
- Institute for Immunity and Transplantation, Division of Infection and Immunity, University College London, London NW3 2PF, UK and Cancer Institute Department of Haematology, Division of Cancer Studies, University College London, London WC1E 6DD, UK
| | - Andrew J Yates
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY 10032, USA
| | - Clare L Bennett
- Institute for Immunity and Transplantation, Division of Infection and Immunity, University College London, London NW3 2PF, UK and Cancer Institute Department of Haematology, Division of Cancer Studies, University College London, London WC1E 6DD, UK.
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28
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Huang L, Li GH, Yu Q, Xu Y, Cvetkovski S, Wang X, Parajuli N, Udo-Inyang I, Kaplan D, Zhou L, Yao Z, Mi QS. Smad2/4 Signaling Pathway Is Critical for Epidermal Langerhans Cell Repopulation Under Inflammatory Condition but Not Required for Their Homeostasis at Steady State. Front Immunol 2020; 11:912. [PMID: 32457763 PMCID: PMC7221176 DOI: 10.3389/fimmu.2020.00912] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 04/20/2020] [Indexed: 01/17/2023] Open
Abstract
Epidermal Langerhans cells (LCs) are skin-resident dendritic cells that are essential for the induction of skin immunity and tolerance. Transforming growth factor-β 1 (TGFβ1) is a crucial factor for LC maintenance and function. However, the underlying TGFβ1 signaling pathways remain unclear. Our previous research has shown that the TGFβ1/Smad3 signaling pathway does not impact LC homeostasis and maturation. In this study, we generated mice with conditional deletions of either individual Smad2, Smad4, or both Smad2 and Smad4 in the LC lineage or myeloid lineage, to further explore the impact of TGFβ1/Smad signaling pathways on LCs. We found that interruption of Smad2 or Smad4 individually or simultaneously in the LC lineage did not significantly impact the maintenance, maturation, antigen uptake, and migration of LCs in vivo or in vitro during steady state. However, the interruption of both Smad2 and Smad4 pathways in the myeloid lineage led to a dramatic inhibition of bone marrow-derived LCs in the inflammatory state. Overall, our data suggest that canonical TGFβ1/Smad2/4 signaling pathways are dispensable for epidermal LC homeostasis and maturation at steady state, but are critical for the long-term LC repopulation directly originating from the bone marrow in the inflammatory state.
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Affiliation(s)
- Linting Huang
- Department of Dermatology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, MI, United States.,Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI, United States.,Institute of Dermatology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Gui-Hua Li
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, MI, United States.,Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI, United States
| | - Qian Yu
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, MI, United States.,Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI, United States
| | - Yingping Xu
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, MI, United States.,Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI, United States
| | - Steven Cvetkovski
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, MI, United States.,Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI, United States
| | - Xuan Wang
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, MI, United States.,Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI, United States
| | - Nirmal Parajuli
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, MI, United States.,Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI, United States
| | - Imo Udo-Inyang
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, MI, United States.,Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI, United States
| | - Daniel Kaplan
- Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, United States.,Department of Immunology, University of Pittsburgh, Pittsburgh, PA, United States
| | - Li Zhou
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, MI, United States.,Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI, United States.,Department of Internal Medicine, Henry Ford Health System, Detroit, MI, United States
| | - Zhirong Yao
- Department of Dermatology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Institute of Dermatology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing-Sheng Mi
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, MI, United States.,Immunology Research Program, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI, United States.,Department of Internal Medicine, Henry Ford Health System, Detroit, MI, United States
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29
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Kuil LE, Oosterhof N, Ferrero G, Mikulášová T, Hason M, Dekker J, Rovira M, van der Linde HC, van Strien PMH, de Pater E, Schaaf G, Bindels EMJ, Wittamer V, van Ham TJ. Zebrafish macrophage developmental arrest underlies depletion of microglia and reveals Csf1r-independent metaphocytes. eLife 2020; 9:e53403. [PMID: 32367800 PMCID: PMC7237208 DOI: 10.7554/elife.53403] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 04/24/2020] [Indexed: 12/18/2022] Open
Abstract
Macrophages derive from multiple sources of hematopoietic progenitors. Most macrophages require colony-stimulating factor 1 receptor (CSF1R), but some macrophages persist in the absence of CSF1R. Here, we analyzed mpeg1:GFP-expressing macrophages in csf1r-deficient zebrafish and report that embryonic macrophages emerge followed by their developmental arrest. In larvae, mpeg1+ cell numbers then increased showing two distinct types in the skin: branched, putative Langerhans cells, and amoeboid cells. In contrast, although numbers also increased in csf1r-mutants, exclusively amoeboid mpeg1+ cells were present, which we showed by genetic lineage tracing to have a non-hematopoietic origin. They expressed macrophage-associated genes, but also showed decreased phagocytic gene expression and increased epithelial-associated gene expression, characteristic of metaphocytes, recently discovered ectoderm-derived cells. We further demonstrated that juvenile csf1r-deficient zebrafish exhibit systemic macrophage depletion. Thus, csf1r deficiency disrupts embryonic to adult macrophage development. Zebrafish deficient for csf1r are viable and permit analyzing the consequences of macrophage loss throughout life.
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Affiliation(s)
- Laura E Kuil
- Department of Clinical Genetics, Erasmus University Medical Center RotterdamRotterdamNetherlands
| | - Nynke Oosterhof
- Department of Clinical Genetics, Erasmus University Medical Center RotterdamRotterdamNetherlands
| | - Giuliano Ferrero
- Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire (IRIBHM), Université Libre de Bruxelles (ULB)BrusselsBelgium
| | - Tereza Mikulášová
- Laboratory of Cell Differentiation, Institute of Molecular Genetics of the Czech Academy of SciencesPragueCzech Republic
| | - Martina Hason
- Laboratory of Cell Differentiation, Institute of Molecular Genetics of the Czech Academy of SciencesPragueCzech Republic
| | - Jordy Dekker
- Department of Clinical Genetics, Erasmus University Medical Center RotterdamRotterdamNetherlands
| | - Mireia Rovira
- Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire (IRIBHM), Université Libre de Bruxelles (ULB)BrusselsBelgium
| | - Herma C van der Linde
- Department of Clinical Genetics, Erasmus University Medical Center RotterdamRotterdamNetherlands
| | | | - Emma de Pater
- Department of Hematology, Erasmus University Medical CenterRotterdamNetherlands
| | - Gerben Schaaf
- Department of Clinical Genetics, Erasmus University Medical Center RotterdamRotterdamNetherlands
| | - Erik MJ Bindels
- Department of Hematology, Erasmus University Medical CenterRotterdamNetherlands
| | - Valerie Wittamer
- Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire (IRIBHM), Université Libre de Bruxelles (ULB)BrusselsBelgium
- WELBIO, ULBBrusselsBelgium
| | - Tjakko J van Ham
- Department of Clinical Genetics, Erasmus University Medical Center RotterdamRotterdamNetherlands
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30
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Botting RA, Haniffa M. The developing immune network in human prenatal skin. Immunology 2020; 160:149-156. [PMID: 32173857 PMCID: PMC7218404 DOI: 10.1111/imm.13192] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 03/09/2020] [Accepted: 03/10/2020] [Indexed: 02/06/2023] Open
Abstract
Establishment of a well‐functioning immune network in skin is crucial for its barrier function. This begins in utero alongside the structural differentiation and maturation of skin, and continues to expand and diversify across the human lifespan. The microenvironment of the developing human skin supports immune cell differentiation and has an overall anti‐inflammatory profile. Immunologically inert and skewed immune populations found in developing human skin promote wound healing, and as such may play a crucial role in the structural changes occurring during skin development.
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Affiliation(s)
- Rachel Anne Botting
- Faculty of Medical Sciences, Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Muzlifah Haniffa
- Faculty of Medical Sciences, Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK.,Wellcome Sanger Institute, Hinxton, UK.,Department of Dermatology and NIHR Newcastle Biomedical Research Centre, Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
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31
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Sirvent S, Vallejo AF, Davies J, Clayton K, Wu Z, Woo J, Riddell J, Chaudhri VK, Stumpf P, Nazlamova LA, Wheway G, Rose-Zerilli M, West J, Pujato M, Chen X, Woelk CH, MacArthur B, Ardern-Jones M, Friedmann PS, Weirauch MT, Singh H, Polak ME. Genomic programming of IRF4-expressing human Langerhans cells. Nat Commun 2020; 11:313. [PMID: 31949143 PMCID: PMC6965086 DOI: 10.1038/s41467-019-14125-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 12/19/2019] [Indexed: 02/07/2023] Open
Abstract
Langerhans cells (LC) can prime tolerogenic as well as immunogenic responses in skin, but the genomic states and transcription factors (TF) regulating these context-specific responses are unclear. Bulk and single-cell transcriptional profiling demonstrates that human migratory LCs are robustly programmed for MHC-I and MHC-II antigen presentation. Chromatin analysis reveals enrichment of ETS-IRF and AP1-IRF composite regulatory elements in antigen-presentation genes, coinciding with expression of the TFs, PU.1, IRF4 and BATF3 but not IRF8. Migration of LCs from the epidermis is accompanied by upregulation of IRF4, antigen processing components and co-stimulatory molecules. TNF stimulation augments LC cross-presentation while attenuating IRF4 expression. CRISPR-mediated editing reveals IRF4 to positively regulate the LC activation programme, but repress NF2EL2 and NF-kB pathway genes that promote responsiveness to oxidative stress and inflammatory cytokines. Thus, IRF4-dependent genomic programming of human migratory LCs appears to enable LC maturation while attenuating excessive inflammatory and immunogenic responses in the epidermis. Langerhans cells (LC) can prime tolerogenic as well as immunogenic responses in the skin. Here the authors show, by transcriptomic, epigenetic and CRISPR editing analyses, that during LC migration and maturation the transcription factor IRF4 regulates expression of antigen presentation and co-stimulatory gene modules while attenuating inflammatory response genes.
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Affiliation(s)
- Sofia Sirvent
- Clinical and Experimental Sciences, Sir Henry Wellcome Laboratories, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK
| | - Andres F Vallejo
- Clinical and Experimental Sciences, Sir Henry Wellcome Laboratories, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK
| | - James Davies
- Clinical and Experimental Sciences, Sir Henry Wellcome Laboratories, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK
| | - Kalum Clayton
- Clinical and Experimental Sciences, Sir Henry Wellcome Laboratories, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK
| | - Zhiguo Wu
- Division of Immunobiology & Center for Systems Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA
| | - Jeongmin Woo
- Samsung Genome Institute, Samsung Medical Center, Seoul, South Korea
| | - Jeremy Riddell
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA
| | - Virendra K Chaudhri
- Division of Immunobiology & Center for Systems Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA.,Center for Systems Immunology, Departments of Immunology and Computational and Systems Biology, The University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Patrick Stumpf
- Human Development and Health, Faculty of Medicine, University of Southampton, SO17 1BJ, Southampton, UK
| | - Liliya Angelova Nazlamova
- Clinical and Experimental Sciences, Sir Henry Wellcome Laboratories, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK
| | - Gabrielle Wheway
- Human Development and Health, Faculty of Medicine, University of Southampton, SO17 1BJ, Southampton, UK
| | - Matthew Rose-Zerilli
- Cancer Sciences, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK
| | - Jonathan West
- Cancer Sciences, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK.,Institute for Life Sciences, University of Southampton, SO17 1BJ, Southampton, UK
| | - Mario Pujato
- Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA
| | - Xiaoting Chen
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA
| | | | - Ben MacArthur
- Cancer Sciences, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK.,Institute for Life Sciences, University of Southampton, SO17 1BJ, Southampton, UK
| | - Michael Ardern-Jones
- Clinical and Experimental Sciences, Sir Henry Wellcome Laboratories, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK
| | - Peter S Friedmann
- Clinical and Experimental Sciences, Sir Henry Wellcome Laboratories, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK
| | - Matthew T Weirauch
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, 45229, USA
| | - Harinder Singh
- Division of Immunobiology & Center for Systems Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA. .,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, 45229, USA. .,Center for Systems Immunology, Departments of Immunology and Computational and Systems Biology, The University of Pittsburgh, Pittsburgh, PA, 15213, USA.
| | - Marta E Polak
- Clinical and Experimental Sciences, Sir Henry Wellcome Laboratories, Faculty of Medicine, University of Southampton, SO16 6YD, Southampton, UK. .,Institute for Life Sciences, University of Southampton, SO17 1BJ, Southampton, UK.
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32
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Ferrero G, Gomez E, Lyer S, Rovira M, Miserocchi M, Langenau DM, Bertrand JY, Wittamer V. The macrophage-expressed gene (mpeg) 1 identifies a subpopulation of B cells in the adult zebrafish. J Leukoc Biol 2020; 107:431-443. [PMID: 31909502 PMCID: PMC7064944 DOI: 10.1002/jlb.1a1119-223r] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 11/07/2019] [Accepted: 11/26/2019] [Indexed: 12/12/2022] Open
Abstract
The mononuclear phagocytic system consists of many cells, in particular macrophages, scattered throughout the body. However, there is increasing evidence for the heterogeneity of tissue-resident macrophages, leading to a pressing need for new tools to discriminate mononuclear phagocytic system subsets from other hematopoietic lineages. Macrophage-expressed gene (Mpeg)1.1 is an evolutionary conserved gene encoding perforin-2, a pore-forming protein associated with host defense against pathogens. Zebrafish mpeg1.1:GFP and mpeg1.1:mCherry reporters were originally established to specifically label macrophages. Since then more than 100 peer-reviewed publications have made use of mpeg1.1-driven transgenics for in vivo studies, providing new insights into key aspects of macrophage ontogeny, activation, and function. Whereas the macrophage-specific expression pattern of the mpeg1.1 promoter has been firmly established in the zebrafish embryo, it is currently not known whether this specificity is maintained through adulthood. Here we report direct evidence that beside macrophages, a subpopulation of B-lymphocytes is marked by mpeg1.1 reporters in most adult zebrafish organs. These mpeg1.1+ lymphoid cells endogenously express mpeg1.1 and can be separated from mpeg1.1+ macrophages by virtue of their light-scatter characteristics using FACS. Remarkably, our analyses also revealed that B-lymphocytes, rather than mononuclear phagocytes, constitute the main mpeg1.1-positive population in irf8null myeloid-defective mutants, which were previously reported to recover tissue-resident macrophages in adulthood. One notable exception is skin macrophages, whose development and maintenance appear to be independent from irf8, similar to mammals. Collectively, our findings demonstrate that irf8 functions in myelopoiesis are evolutionary conserved and highlight the need for alternative macrophage-specific markers to study the mononuclear phagocytic system in adult zebrafish.
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Affiliation(s)
- Giuliano Ferrero
- Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire (IRIBHM), Université Libre de Bruxelles, Brussels, Belgium.,ULB Institute of Neuroscience (UNI), Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Etienne Gomez
- Department of Pathology and Immunology, University of Geneva, School of Medicine, Geneva, Switzerland
| | - Sowmya Lyer
- Department of Pathology and Center for Cancer Research, Massachusetts General Hospital Research Institute, Boston, Massachusetts, USA
| | - Mireia Rovira
- Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire (IRIBHM), Université Libre de Bruxelles, Brussels, Belgium.,ULB Institute of Neuroscience (UNI), Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Magali Miserocchi
- Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire (IRIBHM), Université Libre de Bruxelles, Brussels, Belgium.,ULB Institute of Neuroscience (UNI), Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - David M Langenau
- Department of Pathology and Center for Cancer Research, Massachusetts General Hospital Research Institute, Boston, Massachusetts, USA
| | - Julien Y Bertrand
- Department of Pathology and Immunology, University of Geneva, School of Medicine, Geneva, Switzerland
| | - Valérie Wittamer
- Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire (IRIBHM), Université Libre de Bruxelles, Brussels, Belgium.,ULB Institute of Neuroscience (UNI), Université Libre de Bruxelles (ULB), Brussels, Belgium.,WELBIO, Université Libre de Bruxelles, Brussels, Belgium
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33
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Borek I, Köffel R, Feichtinger J, Spies M, Glitzner-Zeis E, Hochgerner M, Sconocchia T, Krump C, Tam-Amersdorfer C, Passegger C, Benezeder T, Tittes J, Redl A, Painsi C, Thallinger GG, Wolf P, Stary G, Sibilia M, Strobl H. BMP7 aberrantly induced in the psoriatic epidermis instructs inflammation-associated Langerhans cells. J Allergy Clin Immunol 2019; 145:1194-1207.e11. [PMID: 31870764 DOI: 10.1016/j.jaci.2019.12.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 12/08/2019] [Accepted: 12/13/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND Epidermal hyperplasia represents a morphologic hallmark of psoriatic skin lesions. Langerhans cells (LCs) in the psoriatic epidermis engage with keratinocytes (KCs) in tight physical interactions; moreover, they induce T-cell-mediated immune responses critical to psoriasis. OBJECTIVE This study sought to improve the understanding of epidermal factors in psoriasis pathogenesis. METHODS BMP7-LCs versus TGF-β1-LCs were phenotypically characterized and their functional properties were analyzed using flow cytometry, cell kinetic studies, co-culture with CD4 T cells, and cytokine measurements. Furthermore, immunohistology of healthy and psoriatic skin was performed. Additionally, in vivo experiments with Junf/fJunBf/fK5cre-ERT mice were carried out to assess the role of bone morphogenetic protein (BMP) signaling in psoriatic skin inflammation. RESULTS This study identified a KC-derived signal (ie, BMP signaling) to promote epidermal changes in psoriasis. Whereas BMP7 is strictly confined to the basal KC layer in the healthy skin, it is expressed at high levels throughout the lesional psoriatic epidermis. BMP7 instructs precursor cells to differentiate into LCs that phenotypically resemble psoriatic LCs. These BMP7-LCs exhibit proliferative activity and increased sensitivity to bacterial stimulation. Moreover, aberrant high BMP signaling in the lesional epidermis is mediated by a KC intrinsic mechanism, as suggested from murine data and clinical outcome after topical antipsoriatic treatment in human patients. CONCLUSIONS These data indicate that available TGF-β family members within the lesional psoriatic epidermis preferentially signal through the canonical BMP signaling cascade to instruct inflammatory-type LCs and to promote psoriatic epidermal changes. Targeting BMP signaling might allow to therapeutically interfere with cutaneous psoriatic manifestations.
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Affiliation(s)
- Izabela Borek
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria
| | - René Köffel
- Institute of Anatomy, University of Bern, Bern, Switzerland
| | - Julia Feichtinger
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Medical University of Graz, Graz, Austria
| | - Melanie Spies
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria
| | - Elisabeth Glitzner-Zeis
- Institute of Cancer Research, Department of Internal Medicine I, Medical University of Vienna, Vienna, Austria
| | - Mathias Hochgerner
- Institute of Cancer Research, Department of Internal Medicine I, Medical University of Vienna, Vienna, Austria
| | - Tommaso Sconocchia
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria
| | - Corinna Krump
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria
| | - Carmen Tam-Amersdorfer
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria
| | - Christina Passegger
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria
| | - Theresa Benezeder
- Department of Dermatology, Medical University of Graz, Graz, Austria
| | - Julia Tittes
- Division of Immunology, Allergy and Infectious Diseases, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Anna Redl
- Division of Immunology, Allergy and Infectious Diseases, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Clemens Painsi
- Department of Dermatology, State Hospital Klagenfurt, Klagenfurt, Austria
| | - Gerhard G Thallinger
- Institute of Computational Biotechnology, Graz University of Technology, Graz, Austria; Omics Center Graz, BioTechMed Graz, Graz, Austria
| | - Peter Wolf
- Department of Dermatology, Medical University of Graz, Graz, Austria
| | - Georg Stary
- Division of Immunology, Allergy and Infectious Diseases, Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Maria Sibilia
- Institute of Cancer Research, Department of Internal Medicine I, Medical University of Vienna, Vienna, Austria
| | - Herbert Strobl
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria.
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34
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Amon L, Lehmann CHK, Baranska A, Schoen J, Heger L, Dudziak D. Transcriptional control of dendritic cell development and functions. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2019; 349:55-151. [PMID: 31759434 DOI: 10.1016/bs.ircmb.2019.10.001] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Dendritic cells (DCs) are major regulators of adaptive immunity, as they are not only capable to induce efficient immune responses, but are also crucial to maintain peripheral tolerance and thereby inhibit autoimmune reactions. DCs bridge the innate and the adaptive immune system by presenting peptides of self and foreign antigens as peptide MHC complexes to T cells. These properties render DCs as interesting target cells for immunomodulatory therapies in cancer, but also autoimmune diseases. Several subsets of DCs with special properties and functions have been described. Recent achievements in understanding transcriptional programs on single cell level, together with the generation of new murine models targeting specific DC subsets, advanced our current understanding of DC development and function. Thus, DCs arise from precursor cells in the bone marrow with distinct progenitor cell populations splitting the monocyte populations and macrophage populations from the DC lineage, which upon lineage commitment can be separated into conventional cDC1, cDC2, and plasmacytoid DCs (pDCs). The DC populations harbor intrinsic programs enabling them to react for specific pathogens in dependency on the DC subset, and thereby orchestrate T cell immune responses. Similarities, but also varieties, between human and murine DC subpopulations are challenging, and will require further investigation of human specimens under consideration of the influence of the tissue micromilieu and DC subset localization in the future.
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Affiliation(s)
- Lukas Amon
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Christian H K Lehmann
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Anna Baranska
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Janina Schoen
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Lukas Heger
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Diana Dudziak
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany.
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35
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Selective deployment of transcription factor paralogs with submaximal strength facilitates gene regulation in the immune system. Nat Immunol 2019; 20:1372-1380. [PMID: 31451789 PMCID: PMC6754753 DOI: 10.1038/s41590-019-0471-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 07/16/2019] [Indexed: 12/12/2022]
Abstract
In multicellular organisms, duplicated genes can diverge through tissue-specific gene expression patterns, as exemplified by highly regulated expression of Runx transcription factor paralogs with apparent functional redundancy. Here we asked what cell type-specific biologies might be supported by the selective expression of Runx paralogs during Langerhans cell and inducible regulatory T cell differentiation. We uncovered functional non-equivalence between Runx paralogs. Selective expression of native paralogs allowed integration of transcription factor activity with extrinsic signals, while non-native paralogs enforced differentiation even in the absence of exogenous inducers. DNA-binding affinity was controlled by divergent amino acids within the otherwise highly conserved RUNT domain, and evolutionary reconstruction suggested convergence of RUNT domain residues towards sub-maximal strength. Hence, the selective expression of gene duplicates in specialized cell types can synergize with the acquisition of functional differences to enable appropriate gene expression, lineage choice and differentiation in the mammalian immune system.
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36
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Yashiro T, Takeuchi H, Nakamura S, Tanabe A, Hara M, Uchida K, Okumura K, Kasakura K, Nishiyama C. PU.1 plays a pivotal role in dendritic cell migration from the periphery to secondary lymphoid organs via regulating CCR7 expression. FASEB J 2019; 33:11481-11491. [PMID: 31314592 DOI: 10.1096/fj.201900379rr] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
C-C chemokine receptor type 7 (CCR7) is essential for migration of dendritic cells (DCs) to draining lymph nodes. PU.1/Spi1 is a transcription factor playing a critical role in the gene regulation of DCs. PU.1 knockdown decreased the expression of CCR7 in bone marrow-derived DCs and subsequently attenuated migration in vitro and in vivo. Reporter assays, EMSA, and chromatin immunoprecipitation assays revealed that PU.1 binds to the most proximal Ets motif of the Ccr7 promoter, which is involved in transcriptional activation. The CCR7 expression level, which was higher in the programmed cell death 1 ligand 2 (PD-L2)+ population than in the PD-L2- population and was markedly suppressed by TGF-β treatment, coincided with the binding level of PU.1 to the Ccr7 promoter. The PU.1 binding level in CCR7high mesenteric lymph nodes DCs was higher than in other DC subtypes. The involvement of PU.1 in the expression of the CCR7 gene was also observed in human DCs. We conclude that PU.1 plays a pivotal role in DC migration by transactivating the CCR7 gene via the Ets motif in the promoter in both humans and mice.-Yashiro, T., Takeuchi, H., Nakamura, S., Tanabe, A., Hara, M., Uchida, K., Okumura, K., Kasakura, K., Nishiyama, C. PU.1 plays a pivotal role in dendritic cell migration from the periphery to secondary lymphoid organs via regulating CCR7 expression.
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Affiliation(s)
- Takuya Yashiro
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan.,Atopy Research Center, Juntendo University School of Medicine, Tokyo, Japan
| | - Hiromi Takeuchi
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan
| | - Shusuke Nakamura
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan
| | - Atsushi Tanabe
- Atopy Research Center, Juntendo University School of Medicine, Tokyo, Japan
| | - Mutsuko Hara
- Atopy Research Center, Juntendo University School of Medicine, Tokyo, Japan
| | - Koichiro Uchida
- Atopy Research Center, Juntendo University School of Medicine, Tokyo, Japan
| | - Ko Okumura
- Atopy Research Center, Juntendo University School of Medicine, Tokyo, Japan
| | - Kazumi Kasakura
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan.,Atopy Research Center, Juntendo University School of Medicine, Tokyo, Japan
| | - Chiharu Nishiyama
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan.,Atopy Research Center, Juntendo University School of Medicine, Tokyo, Japan
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Affandi AJ, Carvalheiro T, Ottria A, Broen JCA, Bossini-Castillo L, Tieland RG, Bon LV, Chouri E, Rossato M, Mertens JS, Garcia S, Pandit A, de Kroon LMG, Christmann RB, Martin J, van Roon JAG, Radstake TRDJ, Marut W. Low RUNX3 expression alters dendritic cell function in patients with systemic sclerosis and contributes to enhanced fibrosis. Ann Rheum Dis 2019; 78:1249-1259. [DOI: 10.1136/annrheumdis-2018-214991] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 04/15/2019] [Accepted: 04/22/2019] [Indexed: 12/19/2022]
Abstract
ObjectivesSystemic sclerosis (SSc) is an autoimmune disease with unknown pathogenesis manifested by inflammation, vasculopathy and fibrosis in skin and internal organs. Type I interferon signature found in SSc propelled us to study plasmacytoid dendritic cells (pDCs) in this disease. We aimed to identify candidate pathways underlying pDC aberrancies in SSc and to validate its function on pDC biology.MethodsIn total, 1193 patients with SSc were compared with 1387 healthy donors and 8 patients with localised scleroderma. PCR-based transcription factor profiling and methylation status analyses, single nucleotide polymorphism genotyping by sequencing and flow cytometry analysis were performed in pDCs isolated from the circulation of healthy controls or patients with SSc. pDCs were also cultured under hypoxia, inhibitors of methylation and hypoxia-inducible factors and runt-related transcription factor 3 (RUNX3) levels were determined. To study Runx3 function, Itgax-Cre:Runx3f/f mice were used in in vitro functional assay and bleomycin-induced SSc skin inflammation and fibrosis model.ResultsHere, we show downregulation of transcription factor RUNX3 in SSc pDCs. A higher methylation status of the RUNX3 gene, which is associated with polymorphism rs6672420, correlates with lower RUNX3 expression and SSc susceptibility. Hypoxia is another factor that decreases RUNX3 level in pDC. Mouse pDCs deficient of Runx3 show enhanced maturation markers on CpG stimulation. In vivo, deletion of Runx3 in dendritic cell leads to spontaneous induction of skin fibrosis in untreated mice and increased severity of bleomycin-induced skin fibrosis.ConclusionsWe show at least two pathways potentially causing low RUNX3 level in SSc pDCs, and we demonstrate the detrimental effect of loss of Runx3 in SSc model further underscoring the role of pDCs in this disease.
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An Ectoderm-Derived Myeloid-like Cell Population Functions as Antigen Transporters for Langerhans Cells in Zebrafish Epidermis. Dev Cell 2019; 49:605-617.e5. [DOI: 10.1016/j.devcel.2019.03.028] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/24/2019] [Accepted: 03/28/2019] [Indexed: 12/14/2022]
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Chopin M, Lun AT, Zhan Y, Schreuder J, Coughlan H, D’Amico A, Mielke LA, Almeida FF, Kueh AJ, Dickins RA, Belz GT, Naik SH, Lew AM, Bouillet P, Herold MJ, Smyth GK, Corcoran LM, Nutt SL. Transcription Factor PU.1 Promotes Conventional Dendritic Cell Identity and Function via Induction of Transcriptional Regulator DC-SCRIPT. Immunity 2019; 50:77-90.e5. [DOI: 10.1016/j.immuni.2018.11.010] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 09/20/2018] [Accepted: 11/02/2018] [Indexed: 12/13/2022]
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Hovav AH. Mucosal and Skin Langerhans Cells – Nurture Calls. Trends Immunol 2018; 39:788-800. [DOI: 10.1016/j.it.2018.08.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 08/15/2018] [Accepted: 08/15/2018] [Indexed: 10/28/2022]
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RARα supports the development of Langerhans cells and langerin-expressing conventional dendritic cells. Nat Commun 2018; 9:3896. [PMID: 30254197 PMCID: PMC6156335 DOI: 10.1038/s41467-018-06341-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Accepted: 08/29/2018] [Indexed: 01/11/2023] Open
Abstract
Langerhans cells (LC) are the prototype langerin-expressing dendritic cells (DC) that reside specifically in the epidermis, but langerin-expressing conventional DCs also reside in the dermis and other tissues, yet the factors that regulate their development are unclear. Because retinoic acid receptor alpha (RARα) is highly expressed by LCs, we investigate the functions of RARα and retinoic acid (RA) in regulating the langerin-expressing DCs. Here we show that the development of LCs from embryonic and bone marrow-derived progenitors and langerin+ conventional DCs is profoundly regulated by the RARα-RA axis. During LC differentiation, RARα is required for the expression of a LC-promoting transcription factor Runx3, but suppresses that of LC-inhibiting C/EBPβ. RARα promotes the development of LCs and langerin+ conventional DCs only in hypo-RA conditions, a function effectively suppressed at systemic RA levels. Our findings identify positive and negative regulatory mechanisms to tightly regulate the development of the specialized DC populations. Langerhans cells (LC) and langerin-expressing conventional dendritic cells are made from distinct progenitors and enriched in the distinct microenvironments of the skin. Here the authors show that these immune cells are regulated by retinoic acid receptor alpha (RARα) via simultaneous induction of LC-promoting Runx3 and repression of LC-inhibiting C/EBPβ.
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Wu H, Shao Q. The role of inhibitor of binding or differentiation 2 in the development and differentiation of immune cells. Immunobiology 2018; 224:142-146. [PMID: 30340915 DOI: 10.1016/j.imbio.2018.09.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 09/05/2018] [Accepted: 09/19/2018] [Indexed: 12/24/2022]
Abstract
Inhibitor of binding or differentiation 2 (Id2), a member of helix-loop-helix (HLH) transcriptional factors, is recently reported as an important regulator of the development or differentiation of immune cells. It has been demonstrated that Id2 plays a critical role in the early lymphopoiesis. However, it has been discovered recently that Id2 displays new functions in different immune cells. In the adaptive immune cells, Id2 is required for determining T-cell subsets and B cells. In addition, Id2 is also involved in the development of innate immune cells, including dendritic cells (DCs), natural killer (NK) cells, and other innate lymphoid cells (ILCs). Here, we review the current reports about the role of Id2 in the development or differentiation of main immune cells.
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Affiliation(s)
- Haojie Wu
- Reproductive Sciences Institute of Jiangsu University, Zhenjiang 212001, Jiangsu, P.R. China; Department of Immunology, Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang 212013, Jiangsu, P.R. China
| | - Qixiang Shao
- Reproductive Sciences Institute of Jiangsu University, Zhenjiang 212001, Jiangsu, P.R. China; Department of Immunology, Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang 212013, Jiangsu, P.R. China.
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Vieyra-Garcia PA, Wolf P. From Early Immunomodulatory Triggers to Immunosuppressive Outcome: Therapeutic Implications of the Complex Interplay Between the Wavebands of Sunlight and the Skin. Front Med (Lausanne) 2018; 5:232. [PMID: 30250844 PMCID: PMC6139367 DOI: 10.3389/fmed.2018.00232] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 07/30/2018] [Indexed: 12/20/2022] Open
Abstract
Phototherapy is an efficient treatment for many cutaneous diseases that involve the activation of inflammatory pathways or the overgrowth of cells with aberrant phenotype. In this review, we discuss recent advances in photoimmunology, focusing on the effects of UV-based therapies currently used in dermatology. We describe the molecular responses to the main forms of photo(chemo)therapy such as UVB, UVA-1, and PUVA that include the triggering of apoptotic or immunosuppressive pathways and help to clear diseased skin. The early molecular response to UV involves DNA photoproducts, the isomerization of urocanic acid, the secretion of biophospholipids such as platelet activating factor (PAF), the activation of aryl hydrocarbon receptor and inflammasome, and vitamin D synthesis. The simultaneous and complex interaction of these events regulates the activity of the immune system both locally and systemically, resulting in apoptosis of neoplastic and/or benign cells, reduction of cellular infiltrate, and regulation of cytokines and chemokines. Regulatory T-cells and Langerhans cells, among other skin-resident cellular populations, are deeply affected by UV exposure and are therefore important players in the mechanisms of immunomodulation and the therapeutic value of UV in all its forms. We weigh the contribution of these cells to the therapeutic application of UV and how they may participate in transferring the direct impact of UV on the skin into local and systemic immunomodulation. Moreover, we review the therapeutic mechanisms revealed by clinical and laboratory animal investigations in the most common cutaneous diseases treated with phototherapy such as psoriasis, atopic dermatitis, vitiligo, and cutaneous T-cell lymphoma. Better understanding of phototherapeutic mechanisms in these diseases will help advance treatment in general and make future therapeutic strategies more precise, targeted, personalized, safe, and efficient.
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Affiliation(s)
| | - Peter Wolf
- Department of Dermatology, Medical University of Graz, Graz, Austria
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Heyman O, Koren N, Mizraji G, Capucha T, Wald S, Nassar M, Tabib Y, Shapira L, Hovav AH, Wilensky A. Impaired Differentiation of Langerhans Cells in the Murine Oral Epithelium Adjacent to Titanium Dental Implants. Front Immunol 2018; 9:1712. [PMID: 30158922 PMCID: PMC6103475 DOI: 10.3389/fimmu.2018.01712] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 07/12/2018] [Indexed: 11/13/2022] Open
Abstract
Peri-implantitis is a destructive inflammatory process affecting tissues surrounding dental implants and it is considered a new global health concern. Human studies have suggested that the frequencies of Langerhans cells (LCs), the main antigen-presenting cells (APCs) of the oral epithelium, are dysregulated around the implants. Since LCs play a role in regulating oral mucosal homeostasis, we studied the impact of dental titanium implants on LC differentiation using a novel murine model. We demonstrate that whereas the percentage of LC precursors (CD11c+MHCII+) increased in the peri-implant epithelium, the frequencies of LCs (CD11c+MHCII+EpCAM+langerin+) were significantly reduced. Instead, a population of partially developed LCs expressing CD11c+MHCII+EpCAM+ but not langerin evolved in the peri-implant mucosa, which was also accompanied by a considerable leukocyte infiltrate. In line with the increased levels of LC precursors, expression of CCL2 and CCL20, chemokines mediating their translocation to the epithelium, was elevated in the peri-implant epithelium. However, expression of TGF-β1, the major cytokine driving final differentiation of LCs, was reduced in the epithelium. Further analysis revealed that while the expression of the TGF-β1 canonical receptor activing-like kinase (ALK)5 was upregulated, expression of its non-canonical receptor ALK3 was decreased. Since titanium ions releasing from implants were proposed to alter APC function, we next analyzed the impact of such ions on TGF-β1-induced LC differentiation cultures. Concurring with the in vivo studies, the presence of titanium ions resulted in the generation of partially developed LCs that express CD11c+MHCII+EpCAM+ but failed to upregulate langerin expression. Collectively, these findings suggest that titanium dental implants have the capacity to impair the development of oral LCs and might subsequently dysregulate immunity in the peri-implant mucosa.
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Affiliation(s)
- Oded Heyman
- Department of Periodontology, Faculty of Dental Medicine, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
| | - Noam Koren
- Faculty of Dental Medicine, The Institute of Dental Sciences, Hebrew University, Jerusalem, Israel
| | - Gabriel Mizraji
- Department of Periodontology, Faculty of Dental Medicine, Hebrew University-Hadassah Medical Center, Jerusalem, Israel.,Faculty of Dental Medicine, The Institute of Dental Sciences, Hebrew University, Jerusalem, Israel
| | - Tal Capucha
- Faculty of Dental Medicine, The Institute of Dental Sciences, Hebrew University, Jerusalem, Israel
| | - Sharon Wald
- Faculty of Dental Medicine, The Institute of Dental Sciences, Hebrew University, Jerusalem, Israel
| | - Maria Nassar
- Faculty of Dental Medicine, The Institute of Dental Sciences, Hebrew University, Jerusalem, Israel
| | - Yaara Tabib
- Faculty of Dental Medicine, The Institute of Dental Sciences, Hebrew University, Jerusalem, Israel
| | - Lior Shapira
- Department of Periodontology, Faculty of Dental Medicine, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
| | - Avi-Hai Hovav
- Faculty of Dental Medicine, The Institute of Dental Sciences, Hebrew University, Jerusalem, Israel
| | - Asaf Wilensky
- Department of Periodontology, Faculty of Dental Medicine, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
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Cell-intrinsic regulation of murine epidermal Langerhans cells by protein S. Proc Natl Acad Sci U S A 2018; 115:E5736-E5745. [PMID: 29871951 DOI: 10.1073/pnas.1800303115] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
AXL, a member of the TYRO3, AXL, and MERTK (TAM) receptor tyrosine kinase family, has been shown to play a role in the differentiation and activation of epidermal Langerhans cells (LCs). Here, we demonstrate that growth arrest-specific 6 (GAS6) protein, the predominant ligand of AXL, has no impact on LC differentiation and homeostasis. We thus examined the role of protein S (PROS1), the other TAM ligand acting primarily via TYRO3 and MERTK, in LC function. Genetic ablation of PROS1 in keratinocytes resulted in a typical postnatal differentiation of LCs; however, a significant reduction in LC frequencies was observed in adult mice due to increased apoptosis. This was attributed to altered expression of cytokines involved in LC development and tissue homeostasis within keratinocytes. PROS1 was then excised in LysM+ cells to target LCs at early embryonic developmental stages, as well as in adult monocytes that also give rise to LCs. Differentiation and homeostasis of LCs derived from embryonic precursors was not affected following Pros1 ablation. However, differentiation of LCs from bone marrow (BM) precursors in vitro was accelerated, as was their capability to reconstitute epidermal LCs in vivo. These reveal an inhibitory role for PROS1 on BM-derived LCs. Collectively, this study highlights a cell-specific regulation of LC differentiation and homeostasis by TAM signaling.
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Strobl H, Krump C, Borek I. Micro-environmental signals directing human epidermal Langerhans cell differentiation. Semin Cell Dev Biol 2018; 86:36-43. [PMID: 29448069 DOI: 10.1016/j.semcdb.2018.02.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 12/12/2017] [Accepted: 02/10/2018] [Indexed: 01/11/2023]
Abstract
Human Langerhans cells (LC) can be generated ex vivo from hematopoietic precursor cells in response to cytokines and cell-membrane associated ligands. These in vitro differentiation models provided mechanistic insights into the molecular and cellular pathways underlying the development of this unique, epithelia-associated dendritic cell subset. Notably, the human epidermal microenvironment is fully sufficient to induce LC differentiation from hematopoietic progenitors. Hence, dissecting the molecular characteristics of the human epithelial/epidermal LC niche, and testing defined ligands for their capacity to induce LC differentiation, led to a refined molecular model of LC lineage commitment. During epidermal ontogeny, spatially and temporally regulated availability of TGF-β family members cooperate with other keratinocyte-derived signals, such as E-cadherin and Notch ligands, for instructing LC differentiation. In this review, we discuss the signals known to instruct human hematopoietic progenitor cells and myelomonocytic cells to undergo LC lineage commitment. Additionally, the current methods for generation of large numbers of human LC-like cells ex vivo in defined serum-free media are discussed.
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Affiliation(s)
- Herbert Strobl
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria.
| | - Corinna Krump
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria
| | - Izabela Borek
- Otto Loewi Research Center, Chair of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria
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Bigley V, Cytlak U, Collin M. Human dendritic cell immunodeficiencies. Semin Cell Dev Biol 2018; 86:50-61. [PMID: 29452225 DOI: 10.1016/j.semcdb.2018.02.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 11/28/2017] [Accepted: 02/10/2018] [Indexed: 12/21/2022]
Abstract
The critical functions of dendritic cells (DCs) in immunity and tolerance have been demonstrated in many animal models but their non-redundant roles in humans are more difficult to probe. Human primary immunodeficiency (PID), resulting from single gene mutations, may result in DC deficiency or dysfunction. This relatively recent recognition illuminates the in vivo role of human DCs and the pathophysiology of the associated clinical syndromes. In this review, the development and function of DCs as established in murine models and human in vitro systems, discussed. This forms the basis of predicting the effects of DC deficiency in vivo and understanding the consequences of specific mutations on DC development and function. DC deficiency syndromes are associated with heterozygous GATA2 mutation, bi-allelic and heterozygous IRF8 mutation and heterozygous IKZF1 mutation. The intricate involvement of DCs in the balance between immunity and tolerance is leading to increased recognition of their involvement in a number of other immunodeficiencies and autoimmune conditions. Owing to the precise control of transcription factor gene expression by super-enhancer elements, phenotypic anomalies are relatively commonly caused by heterozygous mutations.
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Affiliation(s)
- Venetia Bigley
- Human DC Lab, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK; Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.
| | - Urszula Cytlak
- Human DC Lab, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Matthew Collin
- Human DC Lab, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK; Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
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Deckers J, Hammad H, Hoste E. Langerhans Cells: Sensing the Environment in Health and Disease. Front Immunol 2018; 9:93. [PMID: 29449841 PMCID: PMC5799717 DOI: 10.3389/fimmu.2018.00093] [Citation(s) in RCA: 113] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 01/12/2018] [Indexed: 12/17/2022] Open
Abstract
In the last few decades, our understanding of Langerhans cells (LCs) has drastically changed based on novel findings regarding the developmental origin and biological functions of these epidermis-specific resident immune cells. It has become clear that LCs not only exert pivotal roles in immune surveillance and homeostasis but also impact on pathology by either inducing tolerance or mediating inflammation. Their unique capabilities to self-renew within the epidermis, while also being able to migrate to lymph nodes in order to present antigen, place LCs in a key position to sample the local environment and decide on the appropriate cutaneous immune response. Exciting new data distinguishing LCs from Langerin+ dermal dendritic cells (DCs) on a functional and ontogenic level reveal crucial roles for LCs in trauma and various skin pathologies, which will be thoroughly discussed here. However, despite rapid progress in the field, the exact role of LCs during immune responses has not been completely elucidated. This review focuses on what mouse models that have been developed in order to enable the study of murine LCs and other Langerin-expressing DCs have taught us about LC development and function.
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Affiliation(s)
- Julie Deckers
- VIB Center for Inflammation Research, Ghent, Belgium.,Department of Internal Medicine, Ghent University, Ghent, Belgium
| | - Hamida Hammad
- VIB Center for Inflammation Research, Ghent, Belgium.,Department of Internal Medicine, Ghent University, Ghent, Belgium
| | - Esther Hoste
- VIB Center for Inflammation Research, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
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49
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Differentiation of human dendritic cell subsets for immune tolerance induction. Transfus Clin Biol 2018; 25:90-95. [DOI: 10.1016/j.tracli.2017.08.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 08/25/2017] [Indexed: 12/21/2022]
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50
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Capucha T, Koren N, Nassar M, Heyman O, Nir T, Levy M, Zilberman-Schapira G, Zelentova K, Eli-Berchoer L, Zenke M, Hieronymus T, Wilensky A, Bercovier H, Elinav E, Clausen BE, Hovav AH. Sequential BMP7/TGF-β1 signaling and microbiota instruct mucosal Langerhans cell differentiation. J Exp Med 2018; 215:481-500. [PMID: 29343501 PMCID: PMC5789418 DOI: 10.1084/jem.20171508] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 11/09/2017] [Accepted: 12/08/2017] [Indexed: 01/29/2023] Open
Abstract
Capucha et al. demonstrate that mucosal Langerhans cell (LC) differentiation from pre–dendritic cells and monocytes involves consecutive BMP7 and TGF-β1 signaling in separate anatomical locations. Moreover, mucosal microbiota regulates the development of LCs that in turn shape microbial and immunological homeostasis. Mucosal Langerhans cells (LCs) originate from pre–dendritic cells and monocytes. However, the mechanisms involved in their in situ development remain unclear. Here, we demonstrate that the differentiation of murine mucosal LCs is a two-step process. In the lamina propria, signaling via BMP7-ALK3 promotes translocation of LC precursors to the epithelium. Within the epithelium, TGF-β1 finalizes LC differentiation, and ALK5 is crucial to this process. Moreover, the local microbiota has a major impact on the development of mucosal LCs, whereas LCs in turn maintain mucosal homeostasis and prevent tissue destruction. These results reveal the differential and sequential role of TGF-β1 and BMP7 in LC differentiation and highlight the intimate interplay of LCs with the microbiota.
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Affiliation(s)
- Tal Capucha
- The Institute of Dental Sciences, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
| | - Noam Koren
- The Institute of Dental Sciences, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
| | - Maria Nassar
- The Institute of Dental Sciences, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
| | - Oded Heyman
- Department of Periodontology, Faculty of Dental Medicine, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
| | - Tsipora Nir
- The Institute of Dental Sciences, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
| | - Maayan Levy
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | | | - Katya Zelentova
- The Institute of Dental Sciences, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
| | - Luba Eli-Berchoer
- The Institute of Dental Sciences, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
| | - Martin Zenke
- Institute for Biomedical Engineering, Department of Cell Biology, Medical Faculty and Helmholtz Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany
| | - Thomas Hieronymus
- Institute for Biomedical Engineering, Department of Cell Biology, Medical Faculty and Helmholtz Institute for Biomedical Engineering, RWTH Aachen University, Aachen, Germany
| | - Asaf Wilensky
- Department of Periodontology, Faculty of Dental Medicine, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
| | - Herve Bercovier
- Department of Microbiology and Molecular Genetics, Faculty of Medicine, Hebrew University, Jerusalem, Israel
| | - Eran Elinav
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Björn E Clausen
- Institute for Molecular Medicine, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Avi-Hai Hovav
- The Institute of Dental Sciences, Hebrew University-Hadassah Medical Center, Jerusalem, Israel
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