1
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Tanese K, Ogata D. The role of macrophage migration inhibitory factor family and CD74 in the pathogenesis of melanoma. Exp Dermatol 2024; 33:e15122. [PMID: 38884501 DOI: 10.1111/exd.15122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 06/01/2024] [Accepted: 06/04/2024] [Indexed: 06/18/2024]
Abstract
Melanoma is an aggressive tumour with poor prognosis that arises from the malignant transformation of melanocytes. Over the past few decades, intense research into the pathogenesis of melanoma has led to the development of BRAF and immune checkpoint inhibitors, including antibodies against programmed cell death protein 1 (PD-1) and cytotoxic T lymphocyte-associated protein 4 (CTLA-4), which have shown clinically significant efficacy. However, some tumours do not respond to these therapies initially or become treatment resistant. Most melanoma tissues appear to possess biological characteristics that allow them to evade these treatments, and identifying these characteristics is one of the major challenges facing cancer researchers. One such characteristic that has recently gained attention is the role of macrophage migration inhibitory factor (MIF) and its receptor CD74. This review outlines the cellular and molecular functions of CD74, MIF and their family of proteins. We then review their roles in tumours based on previous reports, highlight their pathological significance in melanoma and discuss their potential as therapeutic targets.
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Affiliation(s)
- Keiji Tanese
- Department of Dermatology, Toho University School of Medicine, Tokyo, Japan
| | - Dai Ogata
- Department of Dermatologic Oncology, National Cancer Center Hospital, Tokyo, Japan
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2
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Fey RM, Nichols RA, Tran TT, Vandenbark AA, Kulkarni RP. MIF and CD74 as Emerging Biomarkers for Immune Checkpoint Blockade Therapy. Cancers (Basel) 2024; 16:1773. [PMID: 38730725 PMCID: PMC11082995 DOI: 10.3390/cancers16091773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/18/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
Immune checkpoint blockade (ICB) therapy is used to treat a wide range of cancers; however, some patients are at risk of developing treatment resistance and/or immune-related adverse events (irAEs). Thus, there is a great need for the identification of reliable predictive biomarkers for response and toxicity. The cytokine MIF (macrophage migration inhibitory factor) and its cognate receptor CD74 are intimately connected with cancer progression and have previously been proposed as prognostic biomarkers for patient outcome in various cancers, including solid tumors such as malignant melanoma. Here, we assess their potential as predictive biomarkers for response to ICB therapy and irAE development. We provide a brief overview of their function and roles in the context of cancer and autoimmune disease. We also review the evidence showing that MIF and CD74 may be of use as predictive biomarkers of patient response to ICB therapy and irAE development. We also highlight that careful consideration is required when assessing the potential of serum MIF levels as a biomarker due to its reported circadian expression in human plasma. Finally, we suggest future directions for the establishment of MIF and CD74 as predictive biomarkers for ICB therapy and irAE development to guide further research in this field.
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Affiliation(s)
- Rosalyn M. Fey
- Department of Dermatology, Oregon Health & Science University, Portland, OR 97239, USA (R.A.N.)
| | - Rebecca A. Nichols
- Department of Dermatology, Oregon Health & Science University, Portland, OR 97239, USA (R.A.N.)
| | - Thuy T. Tran
- Yale Cancer Center, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Arthur A. Vandenbark
- Neuroimmunology Research, R&D-31, VA Portland Health Care System, Portland, OR 97239, USA
- Department of Neurology, Oregon Health & Science University, Portland, OR 97239, USA
- Department of Molecular Microbiology and Immunology, Oregon Health & Science University, Portland, OR 97239, USA
| | - Rajan P. Kulkarni
- Department of Dermatology, Oregon Health & Science University, Portland, OR 97239, USA (R.A.N.)
- Cancer Early Detection Advanced Research Center (CEDAR), Portland, OR 97239, USA
- Knight Cancer Institute, Oregon Health and Science University, Portland, OR 97239, USA
- Operative Care Division, U.S. Department of Veterans Affairs Portland Health Care System, Portland, OR 97239, USA
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3
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Bonnin E, Rodrigo Riestra M, Marziali F, Mena Osuna R, Denizeau J, Maurin M, Saez JJ, Jouve M, Bonté PE, Richer W, Nevo F, Lemoine S, Girard N, Lefevre M, Borcoman E, Vincent-Salomon A, Baulande S, Moreau HD, Sedlik C, Hivroz C, Lennon-Duménil AM, Tosello Boari J, Piaggio E. CD74 supports accumulation and function of regulatory T cells in tumors. Nat Commun 2024; 15:3749. [PMID: 38702311 PMCID: PMC11068745 DOI: 10.1038/s41467-024-47981-3] [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: 03/28/2023] [Accepted: 04/17/2024] [Indexed: 05/06/2024] Open
Abstract
Regulatory T cells (Tregs) are plastic cells playing a pivotal role in the maintenance of immune homeostasis. Tregs actively adapt to the microenvironment where they reside; as a consequence, their molecular and functional profiles differ among tissues and pathologies. In tumors, the features acquired by Tregs remains poorly characterized. Here, we observe that human tumor-infiltrating Tregs selectively overexpress CD74, the MHC class II invariant chain. CD74 has been previously described as a regulator of antigen-presenting cell biology, however its function in Tregs remains unknown. CD74 genetic deletion in human primary Tregs reveals that CD74KO Tregs exhibit major defects in the organization of their actin cytoskeleton and intracellular organelles. Additionally, intratumoral CD74KO Tregs show a decreased activation, a drop in Foxp3 expression, a low accumulation in the tumor, and consistently, they are associated with accelerated tumor rejection in preclinical models in female mice. These observations are unique to tumor conditions as, at steady state, CD74KO-Treg phenotype, survival, and suppressive capacity are unaffected in vitro and in vivo. CD74 therefore emerges as a specific regulator of tumor-infiltrating Tregs and as a target to interfere with Treg anti-tumor activity.
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MESH Headings
- T-Lymphocytes, Regulatory/immunology
- Animals
- Antigens, Differentiation, B-Lymphocyte/metabolism
- Antigens, Differentiation, B-Lymphocyte/genetics
- Antigens, Differentiation, B-Lymphocyte/immunology
- Histocompatibility Antigens Class II/metabolism
- Histocompatibility Antigens Class II/immunology
- Histocompatibility Antigens Class II/genetics
- Humans
- Female
- Mice
- Forkhead Transcription Factors/metabolism
- Forkhead Transcription Factors/genetics
- Tumor Microenvironment/immunology
- Neoplasms/immunology
- Neoplasms/genetics
- Neoplasms/metabolism
- Neoplasms/pathology
- Lymphocytes, Tumor-Infiltrating/immunology
- Lymphocytes, Tumor-Infiltrating/metabolism
- Mice, Inbred C57BL
- Mice, Knockout
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Affiliation(s)
- Elisa Bonnin
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
- Department of Translational Research, PSL Research University, Institut Curie Research Center, Paris, France
| | - Maria Rodrigo Riestra
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
- Department of Translational Research, PSL Research University, Institut Curie Research Center, Paris, France
| | - Federico Marziali
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
- Department of Translational Research, PSL Research University, Institut Curie Research Center, Paris, France
| | - Rafael Mena Osuna
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
- Department of Translational Research, PSL Research University, Institut Curie Research Center, Paris, France
| | - Jordan Denizeau
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
- Department of Translational Research, PSL Research University, Institut Curie Research Center, Paris, France
| | - Mathieu Maurin
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
| | - Juan Jose Saez
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
| | - Mabel Jouve
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
| | - Pierre-Emmanuel Bonté
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
| | - Wilfrid Richer
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
- Department of Translational Research, PSL Research University, Institut Curie Research Center, Paris, France
| | | | | | - Nicolas Girard
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
- Paris Saclay University, UVSQ, Versailles, France
- Institut du Thorax Curie Montsouris, Institut Curie, Paris, France
| | - Marine Lefevre
- Pathology Department, Institut Mutualiste Montsouris, Paris, France
| | - Edith Borcoman
- Department of Drug Development and Innovation (D3i), Institut Curie, Paris, France
| | - Anne Vincent-Salomon
- Institut du Thorax Curie Montsouris, Institut Curie, Paris, France
- Diagnostic and Theranostic Medicine Division, Institut Curie, PSL Research University, Paris, France
| | - Sylvain Baulande
- Institut Curie Genomics of Excellence (ICGex) Platform, PSL Research University, Institut Curie Research Center, Paris, France
| | - Helene D Moreau
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
| | - Christine Sedlik
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
- Department of Translational Research, PSL Research University, Institut Curie Research Center, Paris, France
| | - Claire Hivroz
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France
| | | | - Jimena Tosello Boari
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France.
- Department of Translational Research, PSL Research University, Institut Curie Research Center, Paris, France.
| | - Eliane Piaggio
- INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France.
- Department of Translational Research, PSL Research University, Institut Curie Research Center, Paris, France.
- Egle Therapeutics, Paris, France.
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Huang FF, Cui WH, Ma LY, Chen Q, Liu Y. Crosstalk of nervous and immune systems in pancreatic cancer. Front Cell Dev Biol 2023; 11:1309738. [PMID: 38099290 PMCID: PMC10720593 DOI: 10.3389/fcell.2023.1309738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 11/20/2023] [Indexed: 12/17/2023] Open
Abstract
Pancreatic cancer is a highly malignant tumor known for its extremely low survival rate. The combination of genetic disorders within pancreatic cells and the tumor microenvironment contributes to the emergence and progression of this devastating disease. Extensive research has shed light on the nature of the microenvironmental cells surrounding the pancreatic cancer, including peripheral nerves and immune cells. Peripheral nerves release neuropeptides that directly target pancreatic cancer cells in a paracrine manner, while immune cells play a crucial role in eliminating cancer cells that have not evaded the immune response. Recent studies have revealed the intricate interplay between the nervous and immune systems in homeostatic condition as well as in cancer development. In this review, we aim to summarize the function of nerves in pancreatic cancer, emphasizing the significance to investigate the neural-immune crosstalk during the advancement of this malignant cancer.
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Affiliation(s)
- Fei-Fei Huang
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, China
| | - Wen-Hui Cui
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, China
| | - Lan-Yue Ma
- Center for Cell Lineage and Development, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, GIBH-HKU Guangdong-Hong Kong Stem Cell and Regenerative Medicine Research Centre, GIBH-CUHK Joint Research Laboratory on Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Qi Chen
- Center for Cell Lineage and Development, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, GIBH-HKU Guangdong-Hong Kong Stem Cell and Regenerative Medicine Research Centre, GIBH-CUHK Joint Research Laboratory on Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, China
| | - Yang Liu
- The Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou, China
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5
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Wei Y, Zheng X, Huang T, Zhong Y, Sun S, Wei X, Liu Q, Wang T, Zhao Z. Human embryonic stem cells secrete macrophage migration inhibitory factor: A novel finding. PLoS One 2023; 18:e0288281. [PMID: 37616250 PMCID: PMC10449177 DOI: 10.1371/journal.pone.0288281] [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: 09/21/2022] [Accepted: 06/23/2023] [Indexed: 08/26/2023] Open
Abstract
Macrophage migration inhibitory factor (MIF) is expressed in a variety of cells and participates in important biological mechanisms. However, few studies have reported whether MIF is expressed in human Embryonic stem cells (ESCs) and its effect on human ESCs. Two human ESCs cell lines, H1 and H9 were used. The expression of MIF and its receptors CD74, CD44, CXCR2, CXCR4 and CXCR7 were detected by an immunofluorescence assay, RT-qPCR and western blotting, respectively. The autocrine level of MIF was measured via enzyme-linked immunosorbent assay. The interaction between MIF and its main receptor was investigated by co-immunoprecipitation and confocal immunofluorescence microscopy. Finally, the effect of MIF on the proliferation and survival of human ESCs was preliminarily explored by incubating cells with exogenous MIF, MIF competitive ligand CXCL12 and MIF classic inhibitor ISO-1. We reported that MIF was highly expressed in H1 and H9 human ESCs. MIF was positively expressed in the cytoplasm, cell membrane and culture medium. Several surprising results emerge. The autosecreted concentration of MIF was 22 ng/mL, which was significantly higher than 2 ng/mL-6 ng/mL in normal human serum, and this was independent of cell culture time and cell number. Human ESCs mainly expressed the MIF receptors CXCR2 and CXCR7 rather than the classical receptor CD74. The protein receptor that interacts with MIF on human embryonic stem cells is CXCR7, and no evidence of interaction with CXCR2 was found. We found no evidence that MIF supports the proliferation and survival of human embryonic stem cells. In conclusion, we first found that MIF was highly expressed in human ESCs and at the same time highly expressed in associated receptors, suggesting that MIF mainly acts in an autocrine form in human ESCs.
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Affiliation(s)
- Yanzhao Wei
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Department of Human Functioning, Department of Health Services, Logistics University of Chinese People’s Armed Police Force, Tianjin, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Xiaohan Zheng
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Ting Huang
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Yuanji Zhong
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Shengtong Sun
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Xufang Wei
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Qibing Liu
- Department of Pharmacy, Hainan Medical University, Hainan, China
| | - Tan Wang
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
| | - Zhenqiang Zhao
- Department of Neurology, First Affiliated Hospital of Hainan Medical University, Hainan, China
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Hainan, China
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6
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Swanson MEV, Mrkela M, Murray HC, Cao MC, Turner C, Curtis MA, Faull RLM, Walker AK, Scotter EL. Microglial CD68 and L-ferritin upregulation in response to phosphorylated-TDP-43 pathology in the amyotrophic lateral sclerosis brain. Acta Neuropathol Commun 2023; 11:69. [PMID: 37118836 PMCID: PMC10142752 DOI: 10.1186/s40478-023-01561-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 03/29/2023] [Indexed: 04/30/2023] Open
Abstract
Microglia, the innate immune cells of the brain, are activated by damage or disease. In mouse models of amyotrophic lateral sclerosis (ALS), microglia shift from neurotrophic to neurotoxic states with disease progression. It remains unclear how human microglia change relative to the TAR DNA-binding protein 43 (TDP-43) aggregation that occurs in 97% of ALS cases. Here we examine spatial relationships between microglial activation and TDP-43 pathology in brain tissue from people with ALS and from a TDP-43-driven ALS mouse model. Post-mortem human brain tissue from the Neurological Foundation Human Brain Bank was obtained from 10 control and 10 ALS cases in parallel with brain tissue from a bigenic NEFH-tTA/tetO-hTDP-43∆NLS (rNLS) mouse model of ALS at disease onset, early disease, and late disease stages. The spatiotemporal relationship between microglial activation and ALS pathology was determined by investigating microglial functional marker expression in brain regions with low and high TDP-43 burden at end-stage human disease: hippocampus and motor cortex, respectively. Sections were immunohistochemically labelled with a two-round multiplexed antibody panel against; microglial functional markers (L-ferritin, HLA-DR, CD74, CD68, and Iba1), a neuronal marker, an astrocyte marker, and pathological phosphorylated TDP-43 (pTDP-43). Single-cell levels of microglial functional markers were quantified using custom analysis pipelines and mapped to anatomical regions and ALS pathology. We identified a significant increase in microglial Iba1 and CD68 expression in the human ALS motor cortex, with microglial CD68 being significantly correlated with pTDP-43 pathology load. We also identified two subpopulations of microglia enriched in the ALS motor cortex that were defined by high L-ferritin expression. A similar pattern of microglial changes was observed in the rNLS mouse, with an increase first in CD68 and then in L-ferritin expression, with both occurring only after pTDP-43 inclusions were detectable. Our data strongly suggest that microglia are phagocytic at early-stage ALS but transition to a dysfunctional state at end-stage disease, and that these functional states are driven by pTDP-43 aggregation. Overall, these findings enhance our understanding of microglial phenotypes and function in ALS.
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Affiliation(s)
- Molly E V Swanson
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
| | - Miran Mrkela
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
| | - Helen C Murray
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
- Department of Anatomy and Medical Imaging, University of Auckland, Auckland, New Zealand
| | - Maize C Cao
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
- Department of Pharmacology and Clinical Pharmacology, University of Auckland, Auckland, New Zealand
| | - Clinton Turner
- Department of Anatomical Pathology, Pathology and Laboratory Medicine, Auckland City Hospital, Auckland, New Zealand
| | - Maurice A Curtis
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
- Department of Anatomy and Medical Imaging, University of Auckland, Auckland, New Zealand
| | - Richard L M Faull
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
- Department of Anatomy and Medical Imaging, University of Auckland, Auckland, New Zealand
| | - Adam K Walker
- Queensland Brain Institute, University of Queensland, Brisbane, Australia
| | - Emma L Scotter
- School of Biological Sciences, University of Auckland, Auckland, New Zealand.
- Centre for Brain Research, University of Auckland, Auckland, New Zealand.
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7
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Li QL, Tang J, Zhao L, Ruze A, Shan XF, Gao XM. The role of CD74 in cardiovascular disease. Front Cardiovasc Med 2023; 9:1049143. [PMID: 36712241 PMCID: PMC9877307 DOI: 10.3389/fcvm.2022.1049143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 12/21/2022] [Indexed: 01/15/2023] Open
Abstract
Leukocyte differentiation antigen 74 (CD74), also known as invariant chain, is a molecular chaperone of major histocompatibility complex class II (MHC II) molecules involved in antigen presentation. CD74 has recently been shown to be a receptor for the macrophage migration inhibitory factor family proteins (MIF/MIF2). Many studies have revealed that CD74 plays an important role in cardiovascular disease. In this review, we summarize the structure and main functions of CD74 and then focus on the recent research progress on the role of CD74 in cardiovascular diseases. In addition, we also discuss potential treatment strategies that target CD74. Our systematic review of the role of CD74 in cardiovascular disease will fill some knowledge gaps in the field.
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Affiliation(s)
- Qiu-Lin Li
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China
| | - Jing Tang
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China,Department of Clinical Laboratory, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China
| | - Ling Zhao
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China
| | - Amanguli Ruze
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China
| | - Xue-Feng Shan
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China
| | - Xiao-Ming Gao
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asian, Department of Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Xinjiang Key Laboratory of Medical Animal Model Research, Ürümqi, China,Clinical Medical Research Institute of Xinjiang Medical University, Ürümqi, China,*Correspondence: Xiao-Ming Gao,
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8
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David K, Friedlander G, Pellegrino B, Radomir L, Lewinsky H, Leng L, Bucala R, Becker-Herman S, Shachar I. CD74 as a regulator of transcription in normal B cells. Cell Rep 2022; 41:111572. [DOI: 10.1016/j.celrep.2022.111572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/07/2022] [Accepted: 10/04/2022] [Indexed: 11/07/2022] Open
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9
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Zan C, Yang B, Brandhofer M, El Bounkari O, Bernhagen J. D-dopachrome tautomerase in cardiovascular and inflammatory diseases-A new kid on the block or just another MIF? FASEB J 2022; 36:e22601. [PMID: 36269019 DOI: 10.1096/fj.202201213r] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/22/2022] [Accepted: 09/27/2022] [Indexed: 11/11/2022]
Abstract
Macrophage migration inhibitory factor (MIF) as well as its more recently described structural homolog D-dopachrome tautomerase (D-DT), now also termed MIF-2, are atypical cytokines and chemokines with key roles in host immunity. They also have an important pathogenic role in acute and chronic inflammatory conditions, cardiovascular diseases, lung diseases, adipose tissue inflammation, and cancer. Although our mechanistic understanding of MIF-2 is relatively limited compared to the extensive body of evidence available for MIF, emerging data suggests that MIF-2 is not only a functional phenocopy of MIF, but may have differential or even oppositional activities, depending on the disease and context. In this review, we summarize and discuss the similarities and differences between MIF and MIF-2, with a focus on their structures, receptors, signaling pathways, and their roles in diseases. While mainly covering the roles of the MIF homologs in cardiovascular, inflammatory, autoimmune, and metabolic diseases, we also discuss their involvement in cancer, sepsis, and chronic obstructive lung disease (COPD). A particular emphasis is laid upon potential mechanistic explanations for synergistic or cooperative activities of the MIF homologs in cancer, myocardial diseases, and COPD as opposed to emerging disparate or antagonistic activities in adipose tissue inflammation, metabolic diseases, and atherosclerosis. Lastly, we discuss potential future opportunities of jointly targeting MIF and MIF-2 in certain diseases, whereas precision targeting of only one homolog might be preferable in other conditions. Together, this article provides an update of the mechanisms and future therapeutic avenues of human MIF proteins with a focus on their emerging, surprisingly disparate activities, suggesting that MIF-2 displays a variety of activities that are distinct from those of MIF.
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Affiliation(s)
- Chunfang Zan
- Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU Klinikum, Ludwig-Maximilian-University (LMU), Munich, Germany
| | - Bishan Yang
- Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU Klinikum, Ludwig-Maximilian-University (LMU), Munich, Germany
| | - Markus Brandhofer
- Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU Klinikum, Ludwig-Maximilian-University (LMU), Munich, Germany
| | - Omar El Bounkari
- Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU Klinikum, Ludwig-Maximilian-University (LMU), Munich, Germany
| | - Jürgen Bernhagen
- Vascular Biology, Institute for Stroke and Dementia Research (ISD), LMU Klinikum, Ludwig-Maximilian-University (LMU), Munich, Germany.,Deutsches Zentrum für Herz-Kreislauferkrankungen (DZHK), Munich Heart Alliance, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
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10
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Lier J, Streit WJ, Bechmann I. Beyond Activation: Characterizing Microglial Functional Phenotypes. Cells 2021; 10:cells10092236. [PMID: 34571885 PMCID: PMC8464670 DOI: 10.3390/cells10092236] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/18/2021] [Accepted: 08/26/2021] [Indexed: 12/20/2022] Open
Abstract
Classically, the following three morphological states of microglia have been defined: ramified, amoeboid and phagocytic. While ramified cells were long regarded as “resting”, amoeboid and phagocytic microglia were viewed as “activated”. In aged human brains, a fourth, morphologically novel state has been described, i.e., dystrophic microglia, which are thought to be senescent cells. Since microglia are not replenished by blood-borne mononuclear cells under physiological circumstances, they seem to have an “expiration date” limiting their capacity to phagocytose and support neurons. Identifying factors that drive microglial aging may thus be helpful to delay the onset of neurodegenerative diseases, such as Alzheimer’s disease (AD). Recent progress in single-cell deep sequencing methods allowed for more refined differentiation and revealed regional-, age- and sex-dependent differences of the microglial population, and a growing number of studies demonstrate various expression profiles defining microglial subpopulations. Given the heterogeneity of pathologic states in the central nervous system, the need for accurately describing microglial morphology and expression patterns becomes increasingly important. Here, we review commonly used microglial markers and their fluctuations in expression in health and disease, with a focus on IBA1 low/negative microglia, which can be found in individuals with liver disease.
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Affiliation(s)
- Julia Lier
- Institute of Anatomy, University of Leipzig, 04109 Leipzig, Germany;
- Department of Neurology, University of Leipzig, 04109 Leipzig, Germany
- Correspondence:
| | - Wolfgang J. Streit
- Department of Neuroscience, University of Florida College of Medicine, Gainesville, FL 32611, USA;
| | - Ingo Bechmann
- Institute of Anatomy, University of Leipzig, 04109 Leipzig, Germany;
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11
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Cloutier M, Fortin JS, Thibodeau J. The transmembrane domain and luminal C-terminal region independently support invariant chain trimerization and assembly with MHCII into nonamers. BMC Immunol 2021; 22:56. [PMID: 34384367 PMCID: PMC8362237 DOI: 10.1186/s12865-021-00444-6] [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: 08/25/2020] [Accepted: 07/20/2021] [Indexed: 05/31/2023] Open
Abstract
Background Invariant chain (CD74, Ii) is a multifunctional protein expressed in antigen presenting cells. It assists the ER exit of various cargos and serves as a receptor for the macrophage migration inhibitory factor. The newly translated Ii chains trimerize, a structural feature that is not readily understood in the context of its MHCII chaperoning function. Two segments of Ii, the luminal C-terminal region (TRIM) and the transmembrane domain (TM), have been shown to participate in the trimerization process but their relative importance and impact on the assembly with MHCII molecules remains debated. Here, we addressed the requirement of these domains in the trimerization of human Ii as well as in the oligomerization with MHCII molecules. We used site-directed mutagenesis to generate series of Ii and DR mutants. These were transiently transfected in HEK293T cells to test their cell surface expression and analyse their interactions by co-immunoprecipitations. Results Our results showed that the TRIM domain is not essential for Ii trimerization nor for intracellular trafficking with MHCII molecules. We also gathered evidence that in the absence of TM, TRIM allows the formation of multi-subunit complexes with HLA-DR. Similarly, in the absence of TRIM, Ii can assemble into high-order structures with MHCII molecules. Conclusions Altogether, our data show that trimerization of Ii through either TM or TRIM sustains nonameric complex formation with MHCII molecules. Supplementary Information The online version contains supplementary material available at 10.1186/s12865-021-00444-6.
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Affiliation(s)
- Maryse Cloutier
- Laboratoire d'Immunologie Moléculaire, Département de Microbiologie, Infectiologie et Immunologie, Faculté de Médecine, Université de Montréal, Succ Centre-Ville, CP 6128, Montréal, QC, H3C 3J7, Canada
| | - Jean-Simon Fortin
- Laboratoire d'Immunologie Moléculaire, Département de Microbiologie, Infectiologie et Immunologie, Faculté de Médecine, Université de Montréal, Succ Centre-Ville, CP 6128, Montréal, QC, H3C 3J7, Canada
| | - Jacques Thibodeau
- Laboratoire d'Immunologie Moléculaire, Département de Microbiologie, Infectiologie et Immunologie, Faculté de Médecine, Université de Montréal, Succ Centre-Ville, CP 6128, Montréal, QC, H3C 3J7, Canada.
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12
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Wang HX, Zhang Q, Zhang J, Luan R, Liang Z, Tan L, Xu Y, Zhang P, Zheng L, Zhao Y, Qiu YR. CD74 regulates cellularity and maturation of medullary thymic epithelial cells partially by activating the canonical NF-κB signaling pathway. FASEB J 2021; 35:e21535. [PMID: 33817835 DOI: 10.1096/fj.202100139r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 02/26/2021] [Accepted: 03/02/2021] [Indexed: 11/11/2022]
Abstract
Thymic epithelial cells (TECs) are indispensable for T cell development, T cell receptor (TCR) repertoire selection, and specific lineage differentiation. Medullary thymic epithelial cells (mTECs), which account for the majority of TECs in adults, are critical for thymocyte selection and self-tolerance. CD74 is a nonpolymorphic transmembrane glycoprotein of major histocompatibility complex class II (MHCII) that is expressed in TECs. However, the exact role of CD74 in regulating the development of mTEC is poorly defined. In this research, we found that loss of CD74 resulted in a significant diminution in the medulla, a selective reduction in the cell number of mature mTECs expressing CD80 molecules, which eventually led to impaired thymic CD4+ T cell development. Moreover, RNA-sequence analysis showed that CD74 deficiency obviously downregulated the canonical nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signaling pathway in mTECs. Our results suggest that CD74 positively controls mTEC cellularity and maturation partially by activating the canonical NF-κB signaling pathway.
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Affiliation(s)
- Hong-Xia Wang
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, China.,Transplantation Biology Research Division, State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Qian Zhang
- Transplantation Biology Research Division, State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Jiayu Zhang
- Transplantation Biology Research Division, State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Rong Luan
- Transplantation Biology Research Division, State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Zhanfeng Liang
- Transplantation Biology Research Division, State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Liang Tan
- Department of Urological Organ Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yanan Xu
- Transplantation Biology Research Division, State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Peng Zhang
- Transplantation Biology Research Division, State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Lei Zheng
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yong Zhao
- Transplantation Biology Research Division, State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Yu-Rong Qiu
- Laboratory Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
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13
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Swanson MEV, Scotter EL, Smyth LCD, Murray HC, Ryan B, Turner C, Faull RLM, Dragunow M, Curtis MA. Identification of a dysfunctional microglial population in human Alzheimer's disease cortex using novel single-cell histology image analysis. Acta Neuropathol Commun 2020; 8:170. [PMID: 33081847 PMCID: PMC7576851 DOI: 10.1186/s40478-020-01047-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 10/02/2020] [Indexed: 01/04/2023] Open
Abstract
In Alzheimer's disease (AD), microglia are affected by disease processes, but may also drive pathogenesis. AD pathology-associated microglial populations have been identified with single-cell RNA-Seq, but have not been validated in human brain tissue with anatomical context. Here, we quantified myeloid cell markers to identify changes in AD pathology-associated microglial populations. We performed fluorescent immunohistochemistry on normal (n = 8) and AD (n = 8) middle temporal gyri, co-labelling the pan-myeloid cell marker, Iba1, with one of 11 markers of interest (MOIs): CD45, HLA-DR, CD14, CD74, CD33, CD206, CD32, CD163, P2RY12, TMEM119, L-Ferritin. Novel image analyses quantified the single-cell abundance of Iba1 and each MOI. Each cell was gated into one Iba1-MOI population (Iba1low MOIhigh, Iba1high MOIhigh, or Iba1high MOIlow) and the abundance of each population was compared between AD and control. Triple-labelling of L-Ferritin and Iba1 with a subset of MOIs was performed to investigate L-Ferritin-MOI co-expression on Iba1low cells. Iba1low MOIhigh myeloid cell populations delineated by MOIs CD45, HLA-DR, CD14, CD74, CD33, CD32, and L-Ferritin were increased in AD. Further investigation of the Iba1low MOIhigh populations revealed that their abundances correlated with tau, but not amyloid beta, load in AD. The Iba1low microglial population highly expressed L-Ferritin, reflecting microglial dysfunction. The L-Ferritinhigh CD74high HLA-DRhigh phenotype of the Iba1low population mirrors that of a human AD pathology-associated microglial subpopulation previously identified using single-cell RNA-Seq. Our high-throughput immunohistochemical data with anatomical context support the microglial dysfunction hypothesis of AD.
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14
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Quantitative immunohistochemical analysis of myeloid cell marker expression in human cortex captures microglia heterogeneity with anatomical context. Sci Rep 2020; 10:11693. [PMID: 32678124 PMCID: PMC7366669 DOI: 10.1038/s41598-020-68086-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 06/12/2020] [Indexed: 12/14/2022] Open
Abstract
Current immunohistochemical methods of studying microglia in the post-mortem human brain do not capture the heterogeneity of microglial function in response to damage and disease. We therefore investigated the expression of eight myeloid cell proteins associated with changes in function alongside Iba1. To study the myeloid cells we used immunohistochemistry on post-mortem human middle temporal gyrus sections from neurologically normal individuals. First we investigated co-labelling between the classical 'activation' marker, HLA-DR and each of the other markers of interest. Significant co-labelling between HLA-DR with CD206, CD32, CD163, or L-Ferritin was observed, although complete overlap of expression of HLA-DR with aforementioned markers was not observed. A qualitative assessment also demonstrated that perivascular macrophages expressed higher levels of the markers of interest we investigated than microglia, suggesting perivascular macrophages show a more phagocytic and antigen presentation state in the human brain. To determine whether the markers of interest were expressed in different functional states, the immunoreactivity for each marker was qualitatively assessed on microglial morphologies. Degenerating marker, L-Ferritin, was specific for dystrophic microglia. We demonstrate that microglial heterogeneity can be investigated in immunohistochemically stain post-mortem human tissue by integrating the single-cell abundance of proteins and cell morphology to infer function.
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15
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Al Abdulmonem W, Rasheed Z, Aljohani ASM, Omran OM, Rasheed N, Alkhamiss A, A M Al Salloom A, Alhumaydhi F, Alblihed MA, Al Ssadh H, Khan MI, Fernández N. Absence of CD74 Isoform at 41kDa Prevents the Heterotypic Associations between CD74 and CD44 in Human Lung Adenocarcinoma-derived Cells. Immunol Invest 2020; 50:891-905. [PMID: 32646312 DOI: 10.1080/08820139.2020.1790594] [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: 12/25/2022]
Abstract
Lung cancer is a leading cause of cancer-associated death in all over the globe. This study was undertaken to determine the expression and interaction of membrane-bound receptors CD74 and CD44 in human lung adenocarcinoma cells and their associated signaling was also attempted. Levels of CD74 and CD44 were studied in human lung adenocarcinoma-evolved cells A549 and H460. CD74-mediated downstream signaling was studied by the nuclear-transcription-factor NF-κB and prostaglandin E2 (PGE2) production. Flow-cytometric analysis showed that both CD74 and CD44 were perfectly expressed in A549 cells. Importantly, Western immunoblotting showed that A549 cells expressed only two isoforms of CD74 at 33 and 35 kDa but isoform at 41 kDa was absent. These results were verified in H460 cells. Confocal microscopy showed CD74 and CD44 was colocalized but heterotypic interaction between them was missing in both A549 and H460 cells. Activation of NF-κB and production of PGE2 in human lung cancer cells were comparable with other cancer cells. In conclusion, this is the first study that shows A549 and H460 cells expressed two distinctive isoforms of CD74 but isoform at 41 kDa was absent. Due to the absence of this isoform, the direct physical interaction between them CD74 and CD44 was lacking. Furthermore, the data also demonstrated that lacking of direct physical interaction between CD74 and CD44 had no effect on NF-κB activation and PGE2 production indicating that CD74-mediated downstream signaling occurs either through coreceptors or indirect interaction with CD44 in human lung cancer cells. ABBREVIATION CD: cluster of differentiation; SCLC: small cell lung cancer; NSCLC: nonsmall cell lung cancer; SCC: squamous cell carcinoma; ADC: adenocarcinoma; LCC: large cell carcinoma.
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Affiliation(s)
- Waleed Al Abdulmonem
- Department of Pathology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Zafar Rasheed
- Department of Medical Biochemistry, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Abdullah S M Aljohani
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Ola M Omran
- Department of Pathology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Naila Rasheed
- Department of Medical Biochemistry, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Abdullah Alkhamiss
- Department of Pathology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | | | - Fahad Alhumaydhi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, Saudi Arabia
| | - Mohamd A Alblihed
- Department of Medical Biochemistry, School of Medicine Taif University, Taif, Saudi Arabia
| | - Hussain Al Ssadh
- School of Biological Sciences, University of Essex, Colchester, UK
| | - Muhammad Ismail Khan
- Faculty of Medicine, School of Public Health, University of Queensland, Brisbane, Australia
| | - Nelson Fernández
- School of Biological Sciences, University of Essex, Colchester, UK
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16
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Farr L, Ghosh S, Moonah S. Role of MIF Cytokine/CD74 Receptor Pathway in Protecting Against Injury and Promoting Repair. Front Immunol 2020; 11:1273. [PMID: 32655566 PMCID: PMC7325688 DOI: 10.3389/fimmu.2020.01273] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 05/20/2020] [Indexed: 12/13/2022] Open
Abstract
Wound healing after an injury is essential for life. An in-depth understanding of the healing process is necessary to ultimately improve the currently limited treatment options for patients suffering as a result of damage to various organs and tissues. Injuries, even the most minor, trigger an inflammatory response that protects the host and activates repair pathways. In recent years, substantial progress has been made in delineating the mechanisms by which inflammatory cytokines and their receptors facilitate tissue repair and regeneration. This mini review focuses on emerging literature on the role of the cytokine macrophage migration inhibitory factor (MIF) and its cell membrane receptor CD74, in protecting against injury and promoting healing in different parts of the body.
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Affiliation(s)
- Laura Farr
- Department of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Swagata Ghosh
- Department of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Shannon Moonah
- Department of Medicine, University of Virginia, Charlottesville, VA, United States
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17
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Illescas O, Pacheco-Fernández T, Laclette JP, Rodriguez T, Rodriguez-Sosa M. Immune modulation by the macrophage migration inhibitory factor (MIF) family: D-dopachrome tautomerase (DDT) is not (always) a backup system. Cytokine 2020; 133:155121. [PMID: 32417648 DOI: 10.1016/j.cyto.2020.155121] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 04/29/2020] [Accepted: 05/06/2020] [Indexed: 01/06/2023]
Abstract
Human macrophage migration inhibition factor (MIF) is a protein with cytokine and chemokine properties that regulates a diverse range of physiological functions related to innate immunity and inflammation. Most research has focused on the role of MIF in different inflammatory diseases. D-dopachrome tautomerase (DDT), a different molecule with structural similarities to MIF, which shares receptors and biological functions, has recently been reported, but little is known about its roles and mechanisms. In this review, we sought to understand the similarities and differences between these molecules by summarizing what is known about their different structures, receptors and mechanisms regulating their expression and biological activities with an emphasis on immunological aspects.
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Affiliation(s)
- Oscar Illescas
- Biomedicine Unit, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM), Tlalnepantla, MEX C.P. 54090, Mexico
| | - Thalia Pacheco-Fernández
- Biomedicine Unit, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM), Tlalnepantla, MEX C.P. 54090, Mexico
| | - Juan P Laclette
- Department of Immunology, Institute of Biomedical Research, Universidad Nacional Autónoma de México (UNAM), Mexico City C.P. 04510, Mexico
| | - Tonathiu Rodriguez
- Biomedicine Unit, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM), Tlalnepantla, MEX C.P. 54090, Mexico
| | - Miriam Rodriguez-Sosa
- Biomedicine Unit, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM), Tlalnepantla, MEX C.P. 54090, Mexico.
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18
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Kupke T, Klare JP, Brügger B. Heme binding of transmembrane signaling proteins undergoing regulated intramembrane proteolysis. Commun Biol 2020; 3:73. [PMID: 32060393 PMCID: PMC7021776 DOI: 10.1038/s42003-020-0800-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 01/29/2020] [Indexed: 12/18/2022] Open
Abstract
Transmembrane signaling proteins play a crucial role in the transduction of information across cell membranes. One function of regulated intramembrane proteolysis (RIP) is the release of signaling factors from transmembrane proteins. To study the role of transmembrane domains (TMDs) in modulating structure and activity of released signaling factors, we purified heterologously expressed human transmembrane proteins and their proteolytic processing products from Escherichia coli. Here we show that CD74 and TNFα are heme binding proteins. Heme coordination depends on both a cysteine residue proximal to the membrane and on the oligomerization of the TMD. Furthermore, we show that the various processing products have different modes of heme coordination. We suggest that RIP changes the mode of heme binding of these proteins and generates heme binding peptides with yet unexplored functions. The identification of a RIP modulated cofactor binding of transmembrane signaling proteins sheds new light on the regulation of cell signaling pathways. Kupke et al. study regulated intramembrane proteolysis (RIP) using recombinant transmembrane proteins CD74 and TNFα and find they are heme binding proteins that change their mode of heme binding after proteolytic processing. These data suggest that RIP of type II transmembrane proteins can generate intracellular heme sensor peptides.
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Affiliation(s)
- Thomas Kupke
- Heidelberg University Biochemistry Center, Heidelberg, Germany.
| | - Johann P Klare
- Department of Physics, University of Osnabrück, Osnabrück, Germany
| | - Britta Brügger
- Heidelberg University Biochemistry Center, Heidelberg, Germany.
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19
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Beard HA, Barniol-Xicota M, Yang J, Verhelst SHL. Discovery of Cellular Roles of Intramembrane Proteases. ACS Chem Biol 2019; 14:2372-2388. [PMID: 31287658 DOI: 10.1021/acschembio.9b00404] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Intramembrane proteases (IMPs) are localized within lipid bilayers of membranes-either the cell membrane or membranes of various organelles. Cleavage of substrates often results in release from the membrane, leading to a downstream biological effect. This mechanism allows different signaling events to happen through intramembrane proteolysis. Over the years, various mechanistically distinct families of IMPs have been discovered, but the research progress has generally been slower than for soluble proteases due to the challenges associated with membrane proteins. In this review we summarize how each mechanistic family of IMPs was discovered, which chemical tools are available for the study of IMPs, and which techniques have been developed for the discovery of IMP substrates. Finally, we discuss the various roles in cellular physiology of some of these IMPs.
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Affiliation(s)
- Hester A. Beard
- KU Leuven, Department of Cellular and Molecular Medicine, Laboratory of Chemical Biology, Herestr. 49, 3000 Leuven, Belgium
| | - Marta Barniol-Xicota
- KU Leuven, Department of Cellular and Molecular Medicine, Laboratory of Chemical Biology, Herestr. 49, 3000 Leuven, Belgium
| | - Jian Yang
- KU Leuven, Department of Cellular and Molecular Medicine, Laboratory of Chemical Biology, Herestr. 49, 3000 Leuven, Belgium
| | - Steven H. L. Verhelst
- KU Leuven, Department of Cellular and Molecular Medicine, Laboratory of Chemical Biology, Herestr. 49, 3000 Leuven, Belgium
- Leibniz Institute for Analytical Sciences ISAS, Otto-Hahn-Str. 6b, 44227 Dortmund, Germany
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20
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Harris J, VanPatten S, Deen NS, Al-Abed Y, Morand EF. Rediscovering MIF: New Tricks for an Old Cytokine. Trends Immunol 2019; 40:447-462. [DOI: 10.1016/j.it.2019.03.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 03/07/2019] [Accepted: 03/08/2019] [Indexed: 12/14/2022]
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21
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Jankauskas SS, Wong DW, Bucala R, Djudjaj S, Boor P. Evolving complexity of MIF signaling. Cell Signal 2019; 57:76-88. [DOI: 10.1016/j.cellsig.2019.01.006] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 01/17/2019] [Accepted: 01/18/2019] [Indexed: 01/27/2023]
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22
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Penticuff JC, Woolbright BL, Sielecki TM, Weir SJ, Taylor JA. MIF family proteins in genitourinary cancer: tumorigenic roles and therapeutic potential. Nat Rev Urol 2019; 16:318-328. [DOI: 10.1038/s41585-019-0171-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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23
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Ssadh HA, Abdulmonem WA. Immunophenotyping of the cluster of differentiation 74, migration inhibitory factor, and cluster of differentiation 44 expression on human breast cancer-derived cell lines. Int J Health Sci (Qassim) 2019; 13:17-24. [PMID: 30983941 PMCID: PMC6436447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVE Cluster of differentiation (CD) 74, CD44, and macrophage migration inhibitory factor (MIF) are well known for their immunological functions; however, it has been shown that recently, CD74, CD44, and MIF have a role in tumor and tumor progression. This study was undertaken to investigate the expression of CD74, MIF, and CD44 in breast cancer cells. MATERIALS AND METHODS The expression of CD74, MIF, and CD44 molecules on the breast cancer-derived cell lines CAMA-1, 3,4-methylenedioxyamphetamine (MDA)-MB-231, and MDA-MB-43 was determined by flow cytometry, western immunoblotting, and confocal microscope. To validate the study the studying expression of CD74, MIF, and CD44 on the normal breast cell line 266LDM, whole cell lysate obtained from adult normal breast tissue and normal breast tissue. RESULTS The results show that all breast cancer cells overexpress CD74 isoforms, MIF, and CD44, in contrast to the normal cell lines and normal breast tissues, which express only CD44 and MIF in low levels. The expression of CD74, MIF, and CD44 was studied in the immortalized normal breast luminal cell line 226LDM, normal breast tissues, and lysate to validate the study. CONCLUSION The data show, in this study, the evidence that breast cancer cell lines expressing three different isoforms of CD74. The results of the present study indicate a crucial role of CD74 in breast cancer cells along with MIF and CD44. The results also suggest that CAMA-1, MDA-MB-231, and MDA-MB-435 cells are poorly immunogenic, expressing low levels of HLA-A, B, and C and HLA-DR.
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Affiliation(s)
- Hussain Al Ssadh
- Department of Molecular Medicine, School of Biological Sciences, University of Essex, Colchester, United Kingdom,Clinical Laboratory Science, Inaya Medical College, Riyadh, Saudi Arabia
| | - Waleed Al Abdulmonem
- Department of Pathology, College of Medicine, Qassim University, Qassim, Saudi Arabia,Address for correspondence: Waleed Al Abdulmonem, Department of Pathology, College of Medicine, Qassim University, Qassim, Saudi Arabia. E-mail:
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24
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Soppert J, Kraemer S, Beckers C, Averdunk L, Möllmann J, Denecke B, Goetzenich A, Marx G, Bernhagen J, Stoppe C. Soluble CD74 Reroutes MIF/CXCR4/AKT-Mediated Survival of Cardiac Myofibroblasts to Necroptosis. J Am Heart Assoc 2018; 7:e009384. [PMID: 30371153 PMCID: PMC6201423 DOI: 10.1161/jaha.118.009384] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 07/09/2018] [Indexed: 01/03/2023]
Abstract
Background Although macrophage migration inhibitory factor ( MIF ) has been demonstrated to mediate cardioprotection in ischemia/reperfusion injury and antagonize fibrotic effects through its receptor, CD 74, the function of the soluble CD 74 receptor ectodomain ( sCD 74) and its interaction with circulating MIF have not been explored in cardiac disease. Methods and Results Cardiac fibroblasts were isolated from hearts of neonatal mice and differentiated into myofibroblasts. Co-treatment with recombinant MIF and sCD 74 induced cell death ( P<0.001), which was mediated by receptor-interacting serine/threonine-protein kinase ( RIP) 1/ RIP 3-dependent necroptosis ( P=0.0376). This effect was specific for cardiac fibroblasts and did not affect cardiomyocytes. Gene expression analyses using microarray and RT - qPCR technology revealed a 4-fold upregulation of several interferon-induced genes upon co-treatment of myofibroblasts with sCD 74 and MIF (Ifi44: P=0.011; Irg1: P=0.022; Clec4e: P=0.011). Furthermore, Western blot analysis confirmed the role of sCD 74 as a modulator of MIF signaling by diminishing MIF -mediated protein kinase B ( AKT) activation ( P=0.0197) and triggering p38 activation ( P=0.0641). We obtained evidence that sCD 74 inhibits MIF -mediated survival pathway through the C-X-C chemokine receptor 4/ AKT axis, enabling the induction of CD 74-dependent necroptotic processes in cardiac myofibroblasts. Preliminary clinical data revealed a lowered sCD 74/ MIF ratio in heart failure patients (17.47±10.09 versus 1.413±0.6244). Conclusions These findings suggest that treatment of cardiac myofibroblasts with sCD 74 and MIF induces necroptosis, offering new insights into the mechanism of myofibroblast depletion during scar maturation. Preliminary clinical data provided first evidence about a clinical relevance of the sCD 74/ MIF axis in heart failure, suggesting that these proteins may be a promising target to modulate cardiac remodeling and disease progression in heart failure.
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Affiliation(s)
- Josefin Soppert
- Department of Intensive Care MedicineUniversity HospitalRWTH AachenAachenGermany
- Department of Thoracic, Cardiac and Vascular SurgeryUniversity HospitalRWTH AachenAachenGermany
| | - Sandra Kraemer
- Department of Thoracic, Cardiac and Vascular SurgeryUniversity HospitalRWTH AachenAachenGermany
| | - Christian Beckers
- Department of Thoracic, Cardiac and Vascular SurgeryUniversity HospitalRWTH AachenAachenGermany
| | - Luisa Averdunk
- Department of Intensive Care MedicineUniversity HospitalRWTH AachenAachenGermany
| | - Julia Möllmann
- Department of Cardiology, Pneumology, Angiology and Internal Intensive CareUniversity HospitalRWTH AachenAachenGermany
| | - Bernd Denecke
- Interdisciplinary Center for Clinical Research (IZKF)University HospitalRWTH AachenAachenGermany
| | - Andreas Goetzenich
- Department of Thoracic, Cardiac and Vascular SurgeryUniversity HospitalRWTH AachenAachenGermany
| | - Gernot Marx
- Department of Intensive Care MedicineUniversity HospitalRWTH AachenAachenGermany
| | - Jürgen Bernhagen
- Department of Vascular BiologyInstitute for Stroke and Dementia Research (ISD)Ludwig‐Maximilians‐University (LMU) MunichMunichGermany
- German Center for Cardiovascular Research (DZHK)partner site Munich Heart AllianceMunichGermany
- Munich Cluster for Systems Neurology (EXC 1010 SyNergy)MunichGermany
| | - Christian Stoppe
- Department of Intensive Care MedicineUniversity HospitalRWTH AachenAachenGermany
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25
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Kong XF, Martinez-Barricarte R, Kennedy J, Mele F, Lazarov T, Deenick EK, Ma CS, Breton G, Lucero KB, Langlais D, Bousfiha A, Aytekin C, Markle J, Trouillet C, Jabot-Hanin F, Arlehamn CSL, Rao G, Picard C, Lasseau T, Latorre D, Hambleton S, Deswarte C, Itan Y, Abarca K, Moraes-Vasconcelos D, Ailal F, Ikinciogullari A, Dogu F, Benhsaien I, Sette A, Abel L, Boisson-Dupuis S, Schröder B, Nussenzweig MC, Liu K, Geissmann F, Tangye SG, Gros P, Sallusto F, Bustamante J, Casanova JL. Disruption of an antimycobacterial circuit between dendritic and helper T cells in human SPPL2a deficiency. Nat Immunol 2018; 19:973-985. [PMID: 30127434 PMCID: PMC6130844 DOI: 10.1038/s41590-018-0178-z] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 07/02/2018] [Indexed: 12/21/2022]
Abstract
Human inborn errors of IFN-γ immunity underlie mycobacterial diseases. We describe patients with Mycobacterium bovis (BCG) disease who are homozygous for loss-of-function mutations of SPPL2A. This gene encodes a transmembrane protease that degrades the N-terminal fragment (NTF) of CD74 (HLA invariant chain) in antigen-presenting cells. The CD74 NTF therefore accumulates in the HLA class II+ myeloid and lymphoid cells of SPPL2a-deficient patients. This toxic fragment selectively depletes IL-12- and IL-23-producing CD1c+ conventional dendritic cells (cDC2s) and their circulating progenitors. Moreover, SPPL2a-deficient memory TH1* cells selectively fail to produce IFN-γ when stimulated with mycobacterial antigens in vitro. Finally, Sppl2a-/- mice lack cDC2s, have CD4+ T cells that produce small amounts of IFN-γ after BCG infection, and are highly susceptible to infection with BCG or Mycobacterium tuberculosis. These findings suggest that inherited SPPL2a deficiency in humans underlies mycobacterial disease by decreasing the numbers of cDC2s and impairing IFN-γ production by mycobacterium-specific memory TH1* cells.
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Affiliation(s)
- Xiao-Fei Kong
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York , NY, USA
| | - Ruben Martinez-Barricarte
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York , NY, USA
| | - James Kennedy
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - Federico Mele
- Center of Medical Immunology, Institute for Research in Biomedicine, Faculty of Biomedical Sciences, University of Italian Switzerland, Bellinzona, Switzerland
| | - Tomi Lazarov
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York , NY, USA
| | - Elissa K Deenick
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Darlinghurst, New South Wales, Australia
| | - Cindy S Ma
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Darlinghurst, New South Wales, Australia
| | - Gaëlle Breton
- Laboratory of Molecular Immunology, The Rockefeller University, New York , NY, USA
| | - Kimberly B Lucero
- Department of Microbiology and Immunology, Columbia University Medical Center, New York , NY, USA
| | - David Langlais
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - Aziz Bousfiha
- Laboratory of Clinical Immunology, Inflammation and Allergy, Faculty of Medicine and Pharmacy of Casablanca, King Hassan II University, Casablanca, Morocco
- Clinical Immunology Unit, Department of Pediatric Infectious Diseases, Children's Hospital, CHU Averroes, Casablanca, Morocco
| | - Caner Aytekin
- Department of Pediatric Immunology, Dr. Sami Ulus Maternity and Children's Health and Diseases Training and Research Hospital, Ankara, Turkey
| | - Janet Markle
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York , NY, USA
| | - Céline Trouillet
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York , NY, USA
| | - Fabienne Jabot-Hanin
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | | | - Geetha Rao
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Darlinghurst, New South Wales, Australia
| | - Capucine Picard
- Paris Descartes University, Imagine Institute, Paris, France
- Study Center for Immunodeficiencies, Necker Hospital for Sick Children, AP-HP, Paris, France
- Pediatric Hematology and Immunology Unit, Necker Hospital for Sick Children, AP-HP, Paris, France
| | - Théo Lasseau
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York , NY, USA
| | - Daniela Latorre
- Center of Medical Immunology, Institute for Research in Biomedicine, Faculty of Biomedical Sciences, University of Italian Switzerland, Bellinzona, Switzerland
| | - Sophie Hambleton
- Primary Immunodeficiency Group, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Caroline Deswarte
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Yuval Itan
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York , NY, USA
| | - Katia Abarca
- Department of Pediatric Infectious Diseases and Immunology, Millennium Institute of Immunology and Immunotherapy, School of Medicine, Pontifical Catholic University of Chile, Santiago, Chile
| | - Dewton Moraes-Vasconcelos
- Laboratory of Investigation in Dermatology and Immunodeficiencies, University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - Fatima Ailal
- Laboratory of Clinical Immunology, Inflammation and Allergy, Faculty of Medicine and Pharmacy of Casablanca, King Hassan II University, Casablanca, Morocco
- Clinical Immunology Unit, Department of Pediatric Infectious Diseases, Children's Hospital, CHU Averroes, Casablanca, Morocco
| | - Aydan Ikinciogullari
- Department of Pediatric Immunology and Allergy, Ankara University School of Medicine, Ankara, Turkey
| | - Figen Dogu
- Department of Pediatric Immunology and Allergy, Ankara University School of Medicine, Ankara, Turkey
| | - Ibtihal Benhsaien
- Laboratory of Clinical Immunology, Inflammation and Allergy, Faculty of Medicine and Pharmacy of Casablanca, King Hassan II University, Casablanca, Morocco
- Clinical Immunology Unit, Department of Pediatric Infectious Diseases, Children's Hospital, CHU Averroes, Casablanca, Morocco
| | - Alessandro Sette
- La Jolla Institute for Allergy and Immunology, La Jolla, CA, USA
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Laurent Abel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York , NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Stéphanie Boisson-Dupuis
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York , NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Bernd Schröder
- Biochemical Institute, Christian Albrechts University of Kiel, Kiel, Germany
- Institute of Physiological Chemistry, Technical University Dresden, Dresden, Germany
| | - Michel C Nussenzweig
- Laboratory of Molecular Immunology, The Rockefeller University, New York , NY, USA
- Howard Hughes Medical Institute, New York, NY, USA
| | - Kang Liu
- Department of Microbiology and Immunology, Columbia University Medical Center, New York , NY, USA
| | - Frédéric Geissmann
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York , NY, USA
| | - Stuart G Tangye
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Darlinghurst, New South Wales, Australia
| | - Philippe Gros
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - Federica Sallusto
- Center of Medical Immunology, Institute for Research in Biomedicine, Faculty of Biomedical Sciences, University of Italian Switzerland, Bellinzona, Switzerland
- Institute of Microbiology, ETH Zurich, Zürich, Switzerland
| | - Jacinta Bustamante
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York , NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
- Study Center for Immunodeficiencies, Necker Hospital for Sick Children, AP-HP, Paris, France
| | - Jean-Laurent Casanova
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York , NY, USA.
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France.
- Paris Descartes University, Imagine Institute, Paris, France.
- Pediatric Hematology and Immunology Unit, Necker Hospital for Sick Children, AP-HP, Paris, France.
- Howard Hughes Medical Institute, New York, NY, USA.
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26
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Priego N, Zhu L, Monteiro C, Mulders M, Wasilewski D, Bindeman W, Doglio L, Martínez L, Martínez-Saez E, Ramón Y Cajal S, Megías D, Hernández-Encinas E, Blanco-Aparicio C, Martínez L, Zarzuela E, Muñoz J, Fustero-Torre C, Piñeiro-Yáñez E, Hernández-Laín A, Bertero L, Poli V, Sanchez-Martinez M, Menendez JA, Soffietti R, Bosch-Barrera J, Valiente M. STAT3 labels a subpopulation of reactive astrocytes required for brain metastasis. Nat Med 2018; 24:1024-1035. [PMID: 29892069 DOI: 10.1038/s41591-018-0044-4] [Citation(s) in RCA: 242] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 03/28/2018] [Indexed: 12/26/2022]
Abstract
The brain microenvironment imposes a particularly intense selective pressure on metastasis-initiating cells, but successful metastases bypass this control through mechanisms that are poorly understood. Reactive astrocytes are key components of this microenvironment that confine brain metastasis without infiltrating the lesion. Here, we describe that brain metastatic cells induce and maintain the co-option of a pro-metastatic program driven by signal transducer and activator of transcription 3 (STAT3) in a subpopulation of reactive astrocytes surrounding metastatic lesions. These reactive astrocytes benefit metastatic cells by their modulatory effect on the innate and acquired immune system. In patients, active STAT3 in reactive astrocytes correlates with reduced survival from diagnosis of intracranial metastases. Blocking STAT3 signaling in reactive astrocytes reduces experimental brain metastasis from different primary tumor sources, even at advanced stages of colonization. We also show that a safe and orally bioavailable treatment that inhibits STAT3 exhibits significant antitumor effects in patients with advanced systemic disease that included brain metastasis. Responses to this therapy were notable in the central nervous system, where several complete responses were achieved. Given that brain metastasis causes substantial morbidity and mortality, our results identify a novel treatment for increasing survival in patients with secondary brain tumors.
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Affiliation(s)
- Neibla Priego
- Brain Metastasis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Lucía Zhu
- Brain Metastasis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Cátia Monteiro
- Brain Metastasis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Manon Mulders
- Brain Metastasis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - David Wasilewski
- Brain Metastasis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain.,Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Wendy Bindeman
- Brain Metastasis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Laura Doglio
- Brain Metastasis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain.,Centre for Developmental Neurobiology, King's College London, London, UK
| | - Liliana Martínez
- Brain Metastasis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Elena Martínez-Saez
- Pathology Department, Vall d'Hebron Hospital, Barcelona, Spain.,Spanish Biomedical Research Network Centre in Oncology (CIBERONC), Barcelona, Spain
| | - Santiago Ramón Y Cajal
- Pathology Department, Vall d'Hebron Hospital, Barcelona, Spain.,Spanish Biomedical Research Network Centre in Oncology (CIBERONC), Barcelona, Spain
| | - Diego Megías
- Confocal Microscopy Unit, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | | | | | - Lola Martínez
- Flow Cytometry Unit, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Eduardo Zarzuela
- ProteoRed-ISCIII. Proteomics Unit, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Javier Muñoz
- ProteoRed-ISCIII. Proteomics Unit, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Coral Fustero-Torre
- Bioinformatics Unit, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Elena Piñeiro-Yáñez
- Bioinformatics Unit, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Aurelio Hernández-Laín
- Neuropathology Unit, Hospital Universitario 12 de Octubre Research Institute, Madrid, Spain
| | - Luca Bertero
- Medical Sciences Department, Division of Pathology, University and City of Health and Science University Hospital of Turin, Turin, Italy
| | - Valeria Poli
- Molecular Biotechnology Centre, University of Turin, Turin, Italy
| | | | - Javier A Menendez
- Program Against Cancer Therapeutic Resistance (ProCURE), Metabolism and Cancer Group, Catalan Institute of Oncology, Girona, Spain.,Molecular Oncology Group, Girona Biomedical Research Institute (IDIBGI), Girona, Spain
| | - Riccardo Soffietti
- Neuro-Oncology Department, University and City of Health and Science University Hospital of Turin, Turin, Italy
| | - Joaquim Bosch-Barrera
- Molecular Oncology Group, Girona Biomedical Research Institute (IDIBGI), Girona, Spain.,Department of Medical Sciences, Medical School, University of Girona, Girona, Spain.,Catalan Institute of Oncology (ICO), Dr. Josep Trueta University Hospital, Girona, Spain
| | - Manuel Valiente
- Brain Metastasis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain.
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27
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Czaja AJ. Emerging therapeutic biomarkers of autoimmune hepatitis and their impact on current and future management. Expert Rev Gastroenterol Hepatol 2018. [PMID: 29540068 DOI: 10.1080/17474124.2018.1453356] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Autoimmune hepatitis lacks a quantifiable biomarker that is close to its pathogenic mechanisms and that accurately reflects inflammatory activity, correlates with treatment response, and ensures inactive disease before treatment withdrawal. Areas covered: Micro-ribonucleic acids, programmed death-1 protein and its ligands, macrophage migration inhibitory factor, soluble CD163, B cell activating factor, and metabolite patterns in blood were considered the leading candidates as therapeutic biomarkers after search of PubMed from August 1981 to August 2017 using the search words 'biomarkers of autoimmune hepatitis'. Expert commentary: Each of the candidate biomarkers is close to the putative pathogenic mechanisms of autoimmune hepatitis, and each has attributes that support its potential role as a surrogate marker of inflammatory activity that can be monitored during treatment. Future studies must demonstrate the superiority of each biomarker to conventional indices of inflammatory activity and validate their correlation with treatment response and outcome. A reliable therapeutic biomarker would facilitate the individualization of current management algorithms, ensure that pathogenic mechanisms were disrupted or eliminated prior to treatment withdrawal, and reduce the frequency of relapse or unnecessary protracted therapy. The biomarker might also prove to be a target of next-generation therapies.
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Affiliation(s)
- Albert J Czaja
- a Division of Gastroenterology and Hepatology , Mayo Clinic College of Medicine and Science , Rochester , MN , USA
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28
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Gai JW, Wahafu W, Song L, Ping H, Wang M, Yang F, Niu Y, Qing W, Xing N. Expression of CD74 in bladder cancer and its suppression in association with cancer proliferation, invasion and angiogenesis in HT-1376 cells. Oncol Lett 2018; 15:7631-7638. [PMID: 29731899 PMCID: PMC5920967 DOI: 10.3892/ol.2018.8309] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Accepted: 02/07/2018] [Indexed: 11/23/2022] Open
Abstract
The aim of the present study was to investigate the expression and potential roles of CD74 in human urothelial cell carcinoma of the bladder (UCB) in vitro and in vivo. CD74 and macrophage migration inhibitory factor (MIF) were located and assayed in normal and UCB samples and cell lines using immunostaining. CD74 was knocked down using CD74 shRNA lentiviral particles in HT-1376 cells. The proliferative, invasive potential and microvessel density (MVD) of knockdown-CD74 HT-1376 cells were analyzed in vitro or in vivo. The expression of CD74 in an additional high grade UCB J82 cell line was also verified in vivo. All experiments were repeated at least 3 times. The majority of muscle-invasive bladder cancer (MIBC) samples, and only one high grade UCB cell line, HT-1376, expressed CD74, compared with normal, non-muscle-invasive bladder cancer (NMIBC) samples and other cell lines. The levels of proliferation and invasion were decreased in the CD74 knockdown-HT-1376 cells, and western blotting assay indicated that the levels of proteins associated with proliferation, apoptosis and invasion in the cells were affected correspondingly by different treatments in vitro. The tumorigenesis and MVD assays indicated less proliferation and angiogenesis in the knockdown-HT-1376 cells compared with the scramble cells. Notably, J82 cells exhibiting no signal of CD74 in vitro presented the expression of CD74 in vivo. The present study revealed the potential roles of CD74 in the proliferation, invasion and angiogenesis of MIBC, and that it may serve as a potential therapeutic target for UCB, but additional studies are required.
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Affiliation(s)
- Jun-Wei Gai
- Department of Urology, Tianjin First Central Hospital, Tianjin 300191, P.R. China
| | - Wasilijiang Wahafu
- Department of Urology, Beijing Chao-Yang Hospital, Beijing 100020, P.R. China
| | - Liming Song
- Department of Urology, Beijing Chao-Yang Hospital, Beijing 100020, P.R. China
| | - Hao Ping
- Department of Urology, Beijing Chao-Yang Hospital, Beijing 100020, P.R. China
| | - Mingshuai Wang
- Department of Urology, Beijing Chao-Yang Hospital, Beijing 100020, P.R. China
| | - Feiya Yang
- Department of Urology, Beijing Chao-Yang Hospital, Beijing 100020, P.R. China
| | - Yinong Niu
- Department of Urology, Beijing Chao-Yang Hospital, Beijing 100020, P.R. China
| | - Wei Qing
- Department of Orthopedics, Xiangyang Central Hospital, Xiangyang, Hubei 441021, P.R. China
| | - Nianzeng Xing
- Department of Urology, Beijing Chao-Yang Hospital, Beijing 100020, P.R. China
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29
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Schweighoffer E, Tybulewicz VL. Signalling for B cell survival. Curr Opin Cell Biol 2017; 51:8-14. [PMID: 29149682 DOI: 10.1016/j.ceb.2017.10.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 10/10/2017] [Indexed: 12/21/2022]
Abstract
The number of mature B cells is carefully controlled by signalling from receptors that support B cell survival. The best studied of these are the B cell antigen receptor (BCR) and BAFFR. Recent work has shown that signalling from these receptors is closely linked, involves the CD19 co-receptor, and leads to activation of canonical and non-canonical NF-κB pathways, ERK1, ERK2 and ERK5 MAP kinases, and PI-3 kinases. Importantly, studies show that investigation of the importance of signalling molecules in cell survival requires the use of inducible gene deletions within mature B cells. This overcomes the limitations of many earlier studies using constitutive gene deletions which were unable to distinguish between requirements for a protein in development versus survival.
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Affiliation(s)
| | - Victor Lj Tybulewicz
- The Francis Crick Institute, London NW1 1AT, UK; Imperial College, London W12 0NN, UK.
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30
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CD74 and intratumoral immune response in breast cancer. Oncotarget 2017; 8:12664-12674. [PMID: 27058619 PMCID: PMC5355043 DOI: 10.18632/oncotarget.8610] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 03/18/2016] [Indexed: 12/31/2022] Open
Abstract
CD74 (invariant chain) plays a role in MHC class II antigen presentation. We assessed CD74 and MHCII expression in tumor cells, as well as CD8, CD4, and CD68 tumor infiltrating leucocyte (TIL) density by immunohistochemistry in a cohort of 492 breast cancer patients. CD74 expression was associated with poor prognostic markers including patient age, tumor grade, ER status, non-Luminal A subtypes, and with MHCII expression and higher TIL densities, particularly in the Basal-like subgroup. Univariate analysis showed a favorable prognostic effect of CD74 (Hazard ratio = 0.46, 95% CI = 0.26–0.89, p = 0.022) and for combined CD74/MHCII (Hazard ratio = 0.26, 95% CI = 0.17–0.81, p = 0.014) positive status for overall survival that was only manifested in the Basal-like subgroup. CD74 and MHCII expression is associated with patient survival in Basal-like breast cancer, and the association with TIL may reflect an effective intratumoral immune response.
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31
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Ssadh HA, Spencer PS, Alabdulmenaim W, Alghamdi R, Madar IH, Miranda-Sayago JM, Fernández N. Measurements of heterotypic associations between cluster of differentiation CD74 and CD44 in human breast cancer-derived cells. Oncotarget 2017; 8:92143-92156. [PMID: 29190904 PMCID: PMC5696170 DOI: 10.18632/oncotarget.20922] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 08/17/2017] [Indexed: 01/06/2023] Open
Abstract
Interactions between pairs of membrane-bound receptors can enhance tumour development with implications for targeted therapies for cancer. Here we demonstrate clear heterotypic interaction between CD74 and CD44, which might act in synergy and hence contribute to breast cancer progression. CD74, a type II transmembrane glycoprotein, is a chaperone for MHC class II biosynthesis and a receptor for the MIF. CD44 is the receptor for hyaluronic acid and is a Type I transmembrane protein. Interactions between CD74, MIF and the intra-cytoplasmic domain of CD44 result in activation of ERK1/2 pathway, leading to increased cell proliferation and decreased apoptosis. The level of CD44 in the breast tumor cell lines CAMA-1, MDA-MB-231, MDA-MB-435 and the immortalized normal luminal cell line 226LDM was higher than that of CD74. It was also observed that CD74 and CD44 exhibit significant variation in expression levels across the cells. CD74 and CD44 were observed to accumulate in cytoplasmic compartments, suggesting they associate with each other to facilitate tumour growth and metastasis. Use of a novel and validated colocalisation and image processing approach, coupled with co-immunoprecipitation, confirmed that CD74 and CD44 physically interact, suggesting a possible role in breast tumour growth. This is the first time that CD74 and CD44 colocalization has been quantified in breast cancer cells using a non-invasive and validated bioimaging procedure. Measuring the co-expression levels of CD74 and CD44 could potentially be used as a ‘biomarker signature’ to monitor different stages of breast cancer.
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Affiliation(s)
- Hussain Al Ssadh
- School of Biological Sciences, University of Essex, Wivenhoe Park, Colchester, Essex CO4 3SQ, United Kingdom
| | - Patrick S Spencer
- School of Biological Sciences, University of Essex, Wivenhoe Park, Colchester, Essex CO4 3SQ, United Kingdom
| | - Waleed Alabdulmenaim
- School of Biological Sciences, University of Essex, Wivenhoe Park, Colchester, Essex CO4 3SQ, United Kingdom.,Pathology Department, College of Medicine, Qassim University, Qassim, Saudi Arabia
| | - Rana Alghamdi
- School of Biological Sciences, University of Essex, Wivenhoe Park, Colchester, Essex CO4 3SQ, United Kingdom.,King Abdulaziz University, Rabigh Campus, Rabigh, Saudi Arabia
| | - Inamul Hasan Madar
- Department of Biotechnology and Genetic Engineering, Bharathidasan University, Tiruchirappalli, 620024, Tamil Nadu, India
| | - Jose M Miranda-Sayago
- School of Biological Sciences, University of Essex, Wivenhoe Park, Colchester, Essex CO4 3SQ, United Kingdom
| | - Nelson Fernández
- School of Biological Sciences, University of Essex, Wivenhoe Park, Colchester, Essex CO4 3SQ, United Kingdom
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Ranganathan V, Ciccia F, Zeng F, Sari I, Guggino G, Muralitharan J, Gracey E, Haroon N. Macrophage Migration Inhibitory Factor Induces Inflammation and Predicts Spinal Progression in Ankylosing Spondylitis. Arthritis Rheumatol 2017; 69:1796-1806. [PMID: 28597514 DOI: 10.1002/art.40175] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 06/06/2017] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To investigate the role of macrophage migration inhibitory factor (MIF) in the pathogenesis of ankylosing spondylitis (AS). METHODS Patients who met the modified New York criteria for AS were recruited for the study. Healthy volunteers, rheumatoid arthritis patients, and osteoarthritis patients were included as controls. Based on the annual rate of increase in modified Stoke AS Spine Score (mSASSS), AS patients were classified as progressors or nonprogressors. MIF levels in serum and synovial fluid were quantitated by enzyme-linked immunosorbent assay. Predictors of AS progression were evaluated using logistic regression analysis. Immunohistochemical analysis of ileal tissue was performed to identify MIF-producing cells. Flow cytometry was used to identify MIF-producing subsets, expression patterns of the MIF receptor (CD74), and MIF-induced tumor necrosis factor (TNF) production in the peripheral blood. MIF-induced mineralization of osteoblast cells (SaOS-2) was analyzed by alizarin red S staining, and Western blotting was used to quantify active β-catenin levels. RESULTS Baseline serum MIF levels were significantly elevated in AS patients compared to healthy controls and were found to independently predict AS progression. MIF levels were higher in the synovial fluid of AS patients, and MIF-producing macrophages and Paneth cells were enriched in their gut. MIF induced TNF production in monocytes, activated β-catenin in osteoblasts, and promoted the mineralization of osteoblasts. CONCLUSION Our findings indicate an unexplored pathogenic role of MIF in AS and a link between inflammation and new bone formation.
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Affiliation(s)
| | | | - Fanxing Zeng
- University Health Network and Krembil Research Institute, Toronto, Ontario, Canada
| | - Ismail Sari
- University Health Network and University of Toronto, Toronto, Ontario, Canada, and Dokuz Eylul University, Izmir, Turkey
| | | | - Janogini Muralitharan
- Krembil Research Institute, Toronto, Ontario, Canada, and McMaster University, Hamilton, Ontario, Canada
| | - Eric Gracey
- University Health Network and Krembil Research Institute, Toronto, Ontario, Canada
| | - Nigil Haroon
- University Health Network, Krembil Research Institute, and University of Toronto, Toronto, Ontario, Canada
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Mentrup T, Fluhrer R, Schröder B. Latest emerging functions of SPP/SPPL intramembrane proteases. Eur J Cell Biol 2017; 96:372-382. [DOI: 10.1016/j.ejcb.2017.03.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 02/28/2017] [Accepted: 03/02/2017] [Indexed: 10/20/2022] Open
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Macrophage migration inhibitory factor: A multifaceted cytokine implicated in multiple neurological diseases. Exp Neurol 2017; 301:83-91. [PMID: 28679106 DOI: 10.1016/j.expneurol.2017.06.021] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 06/06/2017] [Accepted: 06/21/2017] [Indexed: 12/12/2022]
Abstract
Macrophage migration inhibitory factor (MIF) is a conserved cytokine found as a homotrimer protein. It is found in a wide spectrum of cell types in the body including neuronal and non-neuronal cells. MIF is implicated in several biological processes; chemo-attraction, cytokine activity, and receptor binding, among other functions. More recently, a chaperone-like activity has been added to its repertoire. In this review, we focus on the implication of MIF in the central nervous system and peripheries, its role in neurological disorders, and the mechanisms by which MIF is regulated. Numerous studies have associated MIF with various disease settings. MIF plays an important role in advocating tumorigenic processes, Alzheimer's disease, and is also upregulated in autism-spectrum disorders and spinal cord injury where it contributes to the severity of the injured area. The protective effect of MIF has been reported in amyotrophic lateral sclerosis by its reduction of aggregated misfolded SOD1, subsequently reducing the severity of this disease. Interestingly, a protective as well as pathological role for MIF has been implicated in stroke and cerebral ischemia, as well as depression. Thus, the role of MIF in neurological disorders appears to be diverse with both beneficial and adversary effects. Furthermore, its modulation is rather complex and it is regulated by different proteins, either on a molecular or protein level. This complexity might be dependent on the pathophysiological context and/or cellular microenvironment. Hence, further clarification of its diverse roles in neurological pathologies is warranted to provide new mechanistic insights which may lead in the future to the development of therapeutic strategies based on MIF, to fight some of these neurological disorders.
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35
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Signal peptide peptidase and SPP-like proteases - Possible therapeutic targets? BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2017. [PMID: 28624439 DOI: 10.1016/j.bbamcr.2017.06.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Signal peptide peptidase (SPP) and the four homologous SPP-like proteases SPPL2a, SPPL2b, SPPL2c and SPPL3 are GxGD-type intramembrane-cleaving proteases (I-CLIPs). In addition to divergent subcellular localisations, distinct differences in the mechanistic properties and substrate requirements of individual family members have been unravelled. SPP/SPPL proteases employ a catalytic mechanism related to that of the γ-secretase complex. Nevertheless, differential targeting of SPP/SPPL proteases and γ-secretase by inhibitors has been demonstrated. Furthermore, also within the SPP/SPPL family significant differences in the sensitivity to currently available inhibitory compounds have been reported. Though far from complete, our knowledge on pathophysiological functions of SPP/SPPL proteases, in particular based on studies in mice, has been significantly increased over the last years. Based on this, inhibition of distinct SPP/SPPL proteases has been proposed as a novel therapeutic concept e.g. for the treatment of autoimmunity and viral or protozoal infections, as we will discuss in this review. This article is part of a Special Issue entitled: Proteolysis as a Regulatory Event in Pathophysiology edited by Stefan Rose-John.
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Tien WS, Chen JH, Wu KP. SheddomeDB: the ectodomain shedding database for membrane-bound shed markers. BMC Bioinformatics 2017; 18:42. [PMID: 28361715 PMCID: PMC5374707 DOI: 10.1186/s12859-017-1465-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND A number of membrane-anchored proteins are known to be released from cell surface via ectodomain shedding. The cleavage and release of membrane proteins has been shown to modulate various cellular processes and disease pathologies. Numerous studies revealed that cell membrane molecules of diverse functional groups are subjected to proteolytic cleavage, and the released soluble form of proteins may modulate various signaling processes. Therefore, in addition to the secreted protein markers that undergo secretion through the secretory pathway, the shed membrane proteins may comprise an additional resource of noninvasive and accessible biomarkers. In this context, identifying the membrane-bound proteins that will be shed has become important in the discovery of clinically noninvasive biomarkers. Nevertheless, a data repository for biological and clinical researchers to review the shedding information, which is experimentally validated, for membrane-bound protein shed markers is still lacking. RESULTS In this study, the database SheddomeDB was developed to integrate publicly available data of the shed membrane proteins. A comprehensive literature survey was performed to collect the membrane proteins that were verified to be cleaved or released in the supernatant by immunological-based validation experiments. From 436 studies on shedding, 401 validated shed membrane proteins were included, among which 199 shed membrane proteins have not been annotated or validated yet by existing cleavage databases. SheddomeDB attempted to provide a comprehensive shedding report, including the regulation of shedding machinery and the related function or diseases involved in the shedding events. In addition, our published tool ShedP was embedded into SheddomeDB to support researchers for predicting the shedding event on unknown or unrecorded membrane proteins. CONCLUSIONS To the best of our knowledge, SheddomeDB is the first database for the identification of experimentally validated shed membrane proteins and currently may provide the most number of membrane proteins for reviewing the shedding information. The database included membrane-bound shed markers associated with numerous cellular processes and diseases, and some of these markers are potential novel markers because they are not annotated or validated yet in other databases. SheddomeDB may provide a useful resource for discovering membrane-bound shed markers. The interactive web of SheddomeDB is publicly available at http://bal.ym.edu.tw/SheddomeDB/ .
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Affiliation(s)
- Wei-Sheng Tien
- Institute of Biomedical Informatics, National Yang Ming University, Taipei, 112, Taiwan.,Bioinformatics Program, Taiwan International Graduate Program, Academia Sinica, Taipei, 115, Taiwan
| | - Jun-Hong Chen
- Department of Computer Science, National Taipei University of Education, Taipei, 106, Taiwan
| | - Kun-Pin Wu
- Institute of Biomedical Informatics, National Yang Ming University, Taipei, 112, Taiwan.
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37
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Invariant Chain Complexes and Clusters as Platforms for MIF Signaling. Cells 2017; 6:cells6010006. [PMID: 28208600 PMCID: PMC5371871 DOI: 10.3390/cells6010006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 02/05/2017] [Accepted: 02/07/2017] [Indexed: 12/24/2022] Open
Abstract
Invariant chain (Ii/CD74) has been identified as a surface receptor for migration inhibitory factor (MIF). Most cells that express Ii also synthesize major histocompatibility complex class II (MHC II) molecules, which depend on Ii as a chaperone and a targeting factor. The assembly of nonameric complexes consisting of one Ii trimer and three MHC II molecules (each of which is a heterodimer) has been regarded as a prerequisite for efficient delivery to the cell surface. Due to rapid endocytosis, however, only low levels of Ii-MHC II complexes are displayed on the cell surface of professional antigen presenting cells and very little free Ii trimers. The association of Ii and MHC II has been reported to block the interaction with MIF, thus questioning the role of surface Ii as a receptor for MIF on MHC II-expressing cells. Recent work offers a potential solution to this conundrum: Many Ii-complexes at the cell surface appear to be under-saturated with MHC II, leaving unoccupied Ii subunits as potential binding sites for MIF. Some of this work also sheds light on novel aspects of signal transduction by Ii-bound MIF in B-lymphocytes: membrane raft association of Ii-MHC II complexes enables MIF to target Ii-MHC II to antigen-clustered B-cell-receptors (BCR) and to foster BCR-driven signaling and intracellular trafficking.
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Abstract
CD74 is a cell-surface receptor for the cytokine macrophage migration inhibitory factor. Macrophage migration inhibitory factor binding to CD74 induces its intramembrane cleavage and the release of its cytosolic intracellular domain (CD74-ICD), which regulates cell survival. In the present study, we characterized the transcriptional activity of CD74-ICD in chronic lymphocytic B cells. We show that following CD74 activation, CD74-ICD interacts with the transcription factors RUNX (Runt related transcription factor) and NF-κB and binds to proximal and distal regulatory sites enriched for genes involved in apoptosis, immune response, and cell migration. This process leads to regulation of expression of these genes. Our results suggest that identifying targets of CD74 will help in understanding of essential pathways regulating B-cell survival in health and disease.
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39
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Schröder B, Saftig P. Intramembrane proteolysis within lysosomes. Ageing Res Rev 2016; 32:51-64. [PMID: 27143694 DOI: 10.1016/j.arr.2016.04.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 04/01/2016] [Accepted: 04/26/2016] [Indexed: 11/26/2022]
Abstract
Regulated intramembrane proteolysis is of pivotal importance in a diverse set of developmental and physiological processes. Altered intramembrane substrate turnover may be associated with neurodegeneration, cancer and impaired immune function. In this review we will focus on the intramembrane proteases which have been localized in the lysosomal membrane. Members of the γ-secretase complex and γ-secretase activity are found in the lysosomal membrane and are discussed to contribute to intracellular amyloid β production. Mutant or deficient γ-secretase may cause disturbed lysosomal function. The signal peptide peptidase-like (SPPL) protease 2a is a lysosomal membrane component and cleaves CD74, the invariant chain of the MHC II complex, as well as FasL, TNF, ITM2B and TMEM106, type II transmembrane proteins involved in the regulation of immunity and neurodegeneration. Therefore, it can be concluded, that not only proteolysis within the lysosomal lumen but also within lysosomal membranes regulates important cellular functions and contributes essentially to proteostasis of membrane proteins what may become increasingly compromised in the aged individual.
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40
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The biological function and significance of CD74 in immune diseases. Inflamm Res 2016; 66:209-216. [DOI: 10.1007/s00011-016-0995-1] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 09/30/2016] [Indexed: 12/25/2022] Open
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41
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Pasqualon T, Pruessmeyer J, Jankowski V, Babendreyer A, Groth E, Schumacher J, Koenen A, Weidenfeld S, Schwarz N, Denecke B, Jahr H, Dreymueller D, Jankowski J, Ludwig A. A cytoplasmic C-terminal fragment of Syndecan-1 is generated by sequential proteolysis and antagonizes Syndecan-1 dependent lung tumor cell migration. Oncotarget 2016; 6:31295-312. [PMID: 26378057 PMCID: PMC4741606 DOI: 10.18632/oncotarget.5174] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 08/20/2015] [Indexed: 12/29/2022] Open
Abstract
Syndecan-1 is a surface expressed heparan sulphate proteoglycan, which is upregulated by several tumor types and involved in tumor cell migration and metastasis. Syndecan-1 is shed from the cell surface and the remaining transmembrane fragment undergoes intramembrane proteolysis by γ-secretase. We here show that this generates a cytoplasmic C-terminal fragment (cCTF). In epithelial lung tumor A549 cells the endogenously produced cCTF accumulated when its proteasomal degradation was blocked with bortezomib and this accumulation was prevented by γ-secretase inhibition. Overexpression of the cCTF suppressed migration and invasion of A549 cells. This inhibitory effect was only seen when endogenous syndecan-1 was present, but not in syndecan-1 deficient cells. Further, overexpression of syndecan-1 cCTF increased the basal activation of Src kinase, focal adhesion kinase (FAK) and Rho GTPase. This was associated with increased adhesion to fibronectin and collagen G and an increased recruitment of paxillin to focal adhesions. Moreover, lung tumor formation of A549 cells in mice was reduced by overexpression of syndecan-1 cCTF. Finally, delivery of a synthetic peptide corresponding to the syndecan-1 cCTF suppressed A549 cell migration and increased basal phosphorylation of Src and FAK. Our data indicate that the syndecan-1 cCTF antagonizes syndecan-1 dependent tumor cell migration in vitro and in vivo by dysregulating proadhesive signaling pathways and suggest that the cCTF can be used as an inhibitory peptide.
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Affiliation(s)
- Tobias Pasqualon
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Aachen, Germany
| | - Jessica Pruessmeyer
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Aachen, Germany
| | - Vera Jankowski
- Institute of Molecular Cardiovascular Research, RWTH Aachen University, Aachen, Germany
| | - Aaron Babendreyer
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Aachen, Germany
| | - Esther Groth
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Aachen, Germany
| | - Julian Schumacher
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Aachen, Germany
| | - Andrea Koenen
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Aachen, Germany
| | - Sarah Weidenfeld
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Aachen, Germany
| | - Nicole Schwarz
- Institute of Molecular and Cellular Anatomy, RWTH Aachen University, Aachen, Germany
| | - Bernd Denecke
- Interdisciplinary Center for Clinical Research, RWTH Aachen University, Aachen, Germany
| | - Holger Jahr
- Department of Orthopaedic Surgery, RWTH Aachen University, Aachen, Germany
| | - Daniela Dreymueller
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Aachen, Germany
| | - Joachim Jankowski
- Institute of Molecular Cardiovascular Research, RWTH Aachen University, Aachen, Germany
| | - Andreas Ludwig
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Aachen, Germany
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Wilkinson RDA, Magorrian SM, Williams R, Young A, Small DM, Scott CJ, Burden RE. CCL2 is transcriptionally controlled by the lysosomal protease cathepsin S in a CD74-dependent manner. Oncotarget 2016; 6:29725-39. [PMID: 26358505 PMCID: PMC4745758 DOI: 10.18632/oncotarget.5065] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Accepted: 08/14/2015] [Indexed: 01/15/2023] Open
Abstract
Cathepsins S (CatS) has been implicated in numerous tumourigenic processes and here we document for the first time its involvement in CCL2 regulation within the tumour microenvironment. Analysis of syngeneic tumours highlighted reduced infiltrating macrophages in CatS depleted tumours. Interrogation of tumours and serum revealed genetic ablation of CatS leads to the depletion of several pro-inflammatory chemokines, most notably, CCL2. This observation was validated in vitro, where shRNA depletion of CatS resulted in reduced CCL2 expression. This regulation is transcriptionally mediated, as evident from RT-PCR analysis and CCL2 promoter studies. We revealed that CatS regulation of CCL2 is modulated through CD74 (also known as the invariant chain), a known substrate of CatS and a mediator of NFkB activity. Furthermore, CatS and CCL2 show a strong clinical correlation in brain, breast and colon tumours. In summary, these results highlight a novel mechanism by which CatS controls CCL2, which may present a useful pharmacodynamic marker for CatS inhibition.
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Affiliation(s)
- Richard D A Wilkinson
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Sinead M Magorrian
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Rich Williams
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Andrew Young
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Donna M Small
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Christopher J Scott
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Roberta E Burden
- Molecular Therapeutics, School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
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43
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Relationship between elevated soluble CD74 and severity of experimental and clinical ALI/ARDS. Sci Rep 2016; 6:30067. [PMID: 27444250 PMCID: PMC4957083 DOI: 10.1038/srep30067] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 06/28/2016] [Indexed: 01/11/2023] Open
Abstract
CD74 is expressed on the cell surface of pulmonary macrophages and contributes to macrophage migration inhibitory factor (MIF)-induced inflammatory response in acute lung injury (ALI). A circulating form of CD74 (soluble CD74, sCD74) was recently discovered in autoimmune liver disease. Using two murine ALI models and cells culture, we examined the presence of sCD74 in circulation and alveolar space and preliminarily assessed the biological function of sCD74. The concentrations of sCD74 were increased in serum and bronchoalveolar lavage fluids (BALF) of murine ALI models. The elevated levels of sCD74 in BALF positively correlated with lung permeability and inflammation. In addition, sCD74 is secreted by macrophages in response to MIF stimulation and itself can stimulate the production of inflammatory cytokines. Our clinical study confirmed some findings of basic research. Moreover, we also found Day 3 serum sCD74 levels were associated with worse clinical outcomes. In conclusion, higher serum sCD74 levels may reflect more severe lung injury and may be used to help physicians determine prognosis of acute respiratory distress syndrome (ARDS).
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44
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Substrate determinants of signal peptide peptidase-like 2a (SPPL2a)-mediated intramembrane proteolysis of the invariant chain CD74. Biochem J 2016; 473:1405-22. [DOI: 10.1042/bcj20160156] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 03/16/2016] [Indexed: 11/17/2022]
Abstract
Intramembrane proteolysis of CD74 by SPPL2a is essential for B- and dendritic cells. We show that CD74 is proteolysed in the luminal third of the transmembrane segment and identify determinants within its transmembrane and luminal membrane-proximal domain facilitating this cleavage.
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45
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Ghoochani A, Schwarz MA, Yakubov E, Engelhorn T, Doerfler A, Buchfelder M, Bucala R, Savaskan NE, Eyüpoglu IY. MIF-CD74 signaling impedes microglial M1 polarization and facilitates brain tumorigenesis. Oncogene 2016; 35:6246-6261. [PMID: 27157615 DOI: 10.1038/onc.2016.160] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 12/17/2015] [Accepted: 02/23/2016] [Indexed: 12/28/2022]
Abstract
Microglial cells in the brain tumor microenvironment are associated with enhanced glioma malignancy. They persist in an immunosuppressive M2 state at the peritumoral site and promote the growth of gliomas. Here, we investigated the underlying factors contributing to the abolished immune surveillance. We show that brain tumors escape pro-inflammatory M1 conversion of microglia via CD74 activation through the secretion of the cytokine macrophage migration inhibitory factor (MIF), which results in a M2 shift of microglial cells. Interruption of this glioma-microglial interaction through an antibody-neutralizing approach or small interfering RNA (siRNA)-mediated inhibition prolongs survival time in glioma-implanted mice by reinstating the microglial pro-inflammatory M1 function. We show that MIF-CD74 signaling inhibits interferon (IFN)-γ secretion in microglia through phosphorylation of microglial ERK1/2 (extracellular signal-regulated protein kinases 1 and 2). The inhibition of MIF signaling or its receptor CD74 promotes IFN-γ release and amplifies tumor death either through pharmacological inhibition or through siRNA-mediated knockdown. The reinstated IFN-γ secretion leads both to direct inhibition of glioma growth as well as inducing a M2 to M1 shift in glioma-associated microglia. Our data reveal that interference with the MIF signaling pathway represents a viable therapeutic option for the restoration of IFN-γ-driven immune surveillance.
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Affiliation(s)
- A Ghoochani
- Department of Neurosurgery, Universitätsklinikum Erlangen, Medical Faculty of the Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - M A Schwarz
- Department of Neurosurgery, Universitätsklinikum Erlangen, Medical Faculty of the Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - E Yakubov
- Department of Neurosurgery, Universitätsklinikum Erlangen, Medical Faculty of the Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - T Engelhorn
- Department of Neuroradiology, Universitätsklinikum Erlangen, Medical Faculty of the Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - A Doerfler
- Department of Neuroradiology, Universitätsklinikum Erlangen, Medical Faculty of the Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - M Buchfelder
- Department of Neurosurgery, Universitätsklinikum Erlangen, Medical Faculty of the Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - R Bucala
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - N E Savaskan
- Department of Neurosurgery, Universitätsklinikum Erlangen, Medical Faculty of the Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany.,BiMECON Ent., Kurfürstenstrasse 21, Berlin, Germany
| | - I Y Eyüpoglu
- Department of Neurosurgery, Universitätsklinikum Erlangen, Medical Faculty of the Friedrich Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
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46
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Schröder B. The multifaceted roles of the invariant chain CD74--More than just a chaperone. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2016; 1863:1269-81. [PMID: 27033518 DOI: 10.1016/j.bbamcr.2016.03.026] [Citation(s) in RCA: 140] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 03/22/2016] [Accepted: 03/23/2016] [Indexed: 01/13/2023]
Abstract
The invariant chain (CD74) is well known for its essential role in antigen presentation by mediating assembly and subcellular trafficking of the MHCII complex. Beyond this, CD74 has also been implicated in a number of processes independent of MHCII. These include the regulation of endosomal trafficking, cell migration and cellular signalling as surface receptor of the pro-inflammatory cytokine macrophage migration inhibitory factor (MIF). In several forms of cancer, CD74 is up-regulated and associated with enhanced proliferation and metastatic potential. In this review, an overview of the diverse biological functions of the CD74 protein is provided with a particular focus on how these may be regulated. In particular, proteolysis of CD74 will be discussed as a central mechanism to control the actions of this important protein at different levels.
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Affiliation(s)
- Bernd Schröder
- Biochemical Institute, Christian Albrechts University of Kiel, Otto-Hahn-Platz 9, D-24118 Kiel, Germany.
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47
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Valiño-Rivas L, Baeza-Bermejillo C, Gonzalez-Lafuente L, Sanz AB, Ortiz A, Sanchez-Niño MD. CD74 in Kidney Disease. Front Immunol 2015; 6:483. [PMID: 26441987 PMCID: PMC4585214 DOI: 10.3389/fimmu.2015.00483] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Accepted: 09/05/2015] [Indexed: 12/17/2022] Open
Abstract
CD74 (invariant MHC class II) regulates protein trafficking and is a receptor for macrophage migration inhibitory factor (MIF) and d-dopachrome tautomerase (d-DT/MIF-2). CD74 expression is increased in tubular cells and/or glomerular podocytes and parietal cells in human metabolic nephropathies, polycystic kidney disease, graft rejection and kidney cancer and in experimental diabetic nephropathy and glomerulonephritis. Stressors like abnormal metabolite (glucose, lyso-Gb3) levels and inflammatory cytokines increase kidney cell CD74. MIF activates CD74 to increase inflammatory cytokines in podocytes and tubular cells and proliferation in glomerular parietal epithelial cells and cyst cells. MIF overexpression promotes while MIF targeting protects from experimental glomerular injury and kidney cysts, and interference with MIF/CD74 signaling or CD74 deficiency protected from crescentic glomerulonephritis. However, CD74 may protect from interstitial kidney fibrosis. Furthermore, CD74 expression by stressed kidney cells raises questions about the kidney safety of cancer therapy strategies delivering lethal immunoconjugates to CD74-expressing cells. Thus, understanding CD74 biology in kidney cells is relevant for kidney therapeutics.
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Affiliation(s)
- Lara Valiño-Rivas
- Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Universidad Autónoma de Madrid , Madrid , Spain
| | - Ciro Baeza-Bermejillo
- Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Universidad Autónoma de Madrid , Madrid , Spain ; Red de Investigación Renal (REDINREN) , Madrid , Spain
| | - Laura Gonzalez-Lafuente
- Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Universidad Autónoma de Madrid , Madrid , Spain
| | - Ana Belen Sanz
- Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Universidad Autónoma de Madrid , Madrid , Spain ; Red de Investigación Renal (REDINREN) , Madrid , Spain
| | - Alberto Ortiz
- Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Universidad Autónoma de Madrid , Madrid , Spain ; Red de Investigación Renal (REDINREN) , Madrid , Spain ; School of Medicine, Universidad Autónoma de Madrid , Madrid , Spain ; Fundacion Renal Iñigo Alvarez de Toledo-IRSIN , Madrid , Spain
| | - Maria Dolores Sanchez-Niño
- Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Universidad Autónoma de Madrid , Madrid , Spain ; Red de Investigación Renal (REDINREN) , Madrid , Spain
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Wage J, Ma L, Peluso M, Lamont C, Evens AM, Hahnfeldt P, Hlatky L, Beheshti A. Proton irradiation impacts age-driven modulations of cancer progression influenced by immune system transcriptome modifications from splenic tissue. JOURNAL OF RADIATION RESEARCH 2015; 56:792-803. [PMID: 26253138 PMCID: PMC4577010 DOI: 10.1093/jrr/rrv043] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Accepted: 06/22/2015] [Indexed: 05/08/2023]
Abstract
Age plays a crucial role in the interplay between tumor and host, with additional impact due to irradiation. Proton irradiation of tumors induces biological modulations including inhibition of angiogenic and immune factors critical to 'hallmark' processes impacting tumor development. Proton irradiation has also provided promising results for proton therapy in cancer due to targeting advantages. Additionally, protons may contribute to the carcinogenesis risk from space travel (due to the high proportion of high-energy protons in space radiation). Through a systems biology approach, we investigated how host tissue (i.e. splenic tissue) of tumor-bearing mice was altered with age, with or without whole-body proton exposure. Transcriptome analysis was performed on splenic tissue from adolescent (68-day) versus old (736-day) C57BL/6 male mice injected with Lewis lung carcinoma cells with or without three fractionations of 0.5 Gy (1-GeV) proton irradiation. Global transcriptome analysis indicated that proton irradiation of adolescent hosts caused significant signaling changes within splenic tissues that support carcinogenesis within the mice, as compared with older subjects. Increases in cell cycling and immunosuppression in irradiated adolescent hosts with CDK2, MCM7, CD74 and RUVBL2 indicated these were the key genes involved in the regulatory changes in the host environment response (i.e. the spleen). Collectively, these results suggest that a significant biological component of proton irradiation is modulated by host age through promotion of carcinogenesis in adolescence and resistance to immunosuppression, carcinogenesis and genetic perturbation associated with advancing age.
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Affiliation(s)
- Justin Wage
- Center of Cancer Systems Biology, Tufts University School of Medicine, Boston, MA, USA
| | - Lili Ma
- Center of Cancer Systems Biology, Tufts University School of Medicine, Boston, MA, USA
| | - Michael Peluso
- Center of Cancer Systems Biology, Tufts University School of Medicine, Boston, MA, USA
| | - Clare Lamont
- Center of Cancer Systems Biology, Tufts University School of Medicine, Boston, MA, USA
| | - Andrew M Evens
- Molecular Oncology Research Institute, Tufts Medical Center, Tufts Cancer Center, Tufts University School of Medicine, Boston, MA, USA
| | - Philip Hahnfeldt
- Center of Cancer Systems Biology, Tufts University School of Medicine, Boston, MA, USA
| | - Lynn Hlatky
- Center of Cancer Systems Biology, Tufts University School of Medicine, Boston, MA, USA
| | - Afshin Beheshti
- Center of Cancer Systems Biology, Tufts University School of Medicine, Boston, MA, USA Molecular Oncology Research Institute, Tufts Medical Center, Tufts Cancer Center, Tufts University School of Medicine, Boston, MA, USA
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Le Noury DA, Mosebi S, Papathanasopoulos MA, Hewer R. Functional roles of HIV-1 Vpu and CD74: Details and implications of the Vpu-CD74 interaction. Cell Immunol 2015; 298:25-32. [PMID: 26321123 DOI: 10.1016/j.cellimm.2015.08.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Accepted: 08/22/2015] [Indexed: 01/24/2023]
Abstract
HIV-1 Vpu has a variety of functions, including CD4 degradation and the downregulation of MHCII. Downregulation of the MHCII occurs through Vpu binding to the cytoplasmic domain of CD74, the chaperone for antigen presentation. The CD74 cytoplasmic domain also plays a vital role in cell signaling through the activation of an NF-κB signal cascade for the maturation, proliferation and survival of B cells as well as by binding the macrophage inhibitory factor. In view of these functions, it follows that the Vpu-CD74 interaction has multiple downstream consequences for the immune system as it not only impairs foreign antigen presentation but may also have an effect on signal transduction cascades. It is thought that Vpu specifically targets intracellular CD74 while other HIV-1 proteins cannot. Therefore, this protein-protein interaction would be a potential drug target in order to reduce viral persistence. We review the functional importance and specific binding site of Vpu and CD74.
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Affiliation(s)
- Denise A Le Noury
- Centre for Metal-based Drug Discovery, Mintek, Private Bag X3015, Randburg 2125, South Africa; Department of Molecular Medicine and Haematology, Faculty of Health Sciences, University of the Witwatersrand Medical School, Private Bag 3, WITS, 2050, South Africa.
| | - Salerwe Mosebi
- Centre for Metal-based Drug Discovery, Mintek, Private Bag X3015, Randburg 2125, South Africa.
| | - Maria A Papathanasopoulos
- Department of Molecular Medicine and Haematology, Faculty of Health Sciences, University of the Witwatersrand Medical School, Private Bag 3, WITS, 2050, South Africa.
| | - Raymond Hewer
- Centre for Metal-based Drug Discovery, Mintek, Private Bag X3015, Randburg 2125, South Africa.
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Sauler M, Bucala R, Lee PJ. Role of macrophage migration inhibitory factor in age-related lung disease. Am J Physiol Lung Cell Mol Physiol 2015; 309:L1-10. [PMID: 25957294 DOI: 10.1152/ajplung.00339.2014] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 05/05/2015] [Indexed: 12/25/2022] Open
Abstract
The prevalence of many common respiratory disorders, including pneumonia, chronic obstructive lung disease, pulmonary fibrosis, and lung cancer, increases with age. Little is known of the host factors that may predispose individuals to such diseases. Macrophage migration inhibitory factor (MIF) is a potent upstream regulator of the immune system. MIF is encoded by variant alleles that occur commonly in the population. In addition to its role as a proinflammatory cytokine, a growing body of literature demonstrates that MIF influences diverse molecular processes important for the maintenance of cellular homeostasis and may influence the incidence or clinical manifestations of a variety of chronic lung diseases. This review highlights the biological properties of MIF and its implication in age-related lung disease.
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Affiliation(s)
- Maor Sauler
- Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Yale University School of Medicine, New Haven, Connecticut; and
| | - Richard Bucala
- Section of Rheumatology, Department of Medicine, Yale University School of Medicine, New Haven, Connecticut
| | - Patty J Lee
- Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Yale University School of Medicine, New Haven, Connecticut; and
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