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Ge P, Li H, Ya X, Xu Y, Ma L, He Q, Wang R, Liu Z, Zhang Q, Zhang Y, Wang W, Zhang D, Zhao J. Single-cell atlas reveals different immune environments between stable and vulnerable atherosclerotic plaques. Front Immunol 2023; 13:1085468. [PMID: 36741406 PMCID: PMC9889979 DOI: 10.3389/fimmu.2022.1085468] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/20/2022] [Indexed: 01/19/2023] Open
Abstract
Introduction Regardless of the degree of stenosis, vulnerable plaque is an important cause of ischemic stroke and thrombotic complications. The changes of the immune microenvironment within plaques seem to be an important factor affecting the characteristics of the plaque. However, the differences of immune microenvironment between stable and vulnerable plaques were remained unknown. Methods In this study, RNA-sequencing was performed on superficial temporal arteries from 5 traumatic patients and plaques from 3 atherosclerotic patients to preliminary identify the key immune response processes in plaques. Mass cytometry (CyTOF) technology was used to explore differences in immune composition between 9 vulnerable plaques and 12 stable plaques. Finally, immunofluorescence technique was used to validate our findings in the previous analysis. Results Our results showed that more CD86+CD68+ M1 pro-inflammatory macrophages were found in vulnerable plaques, while CD4+T memory cells were mainly found in stable plaques. In addition, a CD11c+ subset of CD4+T cells with higher IFN-r secretion was found within the vulnerable plaque. In two subsets of B cells, CD19+CD20-B cells in vulnerable plaques secreted more TNF-a and IL-6, while CD19-CD20+B cells expressed more PD-1 molecules. Conclusion In conclusion, our study suggested that M1-like macrophages are the major cell subset affecting plaque stability, while functional B cells may also contribute to plaque stability.
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Affiliation(s)
- Peicong Ge
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Hao Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Xiaolong Ya
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Yiqiao Xu
- Capital Medical University, Beijing, China
| | - Long Ma
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Qiheng He
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Rong Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Zechen Liu
- Department of Biostatistics, Harvard School of Public Health, Huntington Avenue, Boston, MA, United States
| | - Qian Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Yan Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Wenjing Wang
- Beijing Institute of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing, China,*Correspondence: Wenjing Wang, ; Dong Zhang, ; Jizong Zhao,
| | - Dong Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China,Department of Neurosurgery, Beijing Hospital, Beijing, China,*Correspondence: Wenjing Wang, ; Dong Zhang, ; Jizong Zhao,
| | - Jizong Zhao
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, China,China National Clinical Research Center for Neurological Diseases, Beijing, China,*Correspondence: Wenjing Wang, ; Dong Zhang, ; Jizong Zhao,
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52
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Zhao X, Si S. Five genes as diagnostic biomarkers of dermatomyositis and their correlation with immune cell infiltration. Front Immunol 2023; 14:1053099. [PMID: 36742332 PMCID: PMC9889851 DOI: 10.3389/fimmu.2023.1053099] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 01/03/2023] [Indexed: 01/19/2023] Open
Abstract
Background Dermatomyositis (DM) is a rare autoimmune disease characterized by severe muscle dysfunction, and the immune response of the muscles plays an important role in the development of DM. Currently, the diagnosis of DM relies on symptoms, physical examination, and biopsy techniques. Therefore, we used machine learning algorithm to screen key genes, and constructed and verified a diagnostic model composed of 5 key genes. In terms of immunity, The relationship between 5 genes and immune cell infiltration in muscle samples was analyzed. These diagnostic and immune-cell-related genes may contribute to the diagnosis and treatment of DM. Methods GSE5370 and GSE128470 datasets were utilised from the Gene Expression Omnibus database as DM test sets. And we also used R software to merge two datasets and to analyze the results of differentially expressed genes (DEGs) and functional correlation analysis. Then, we could detect diagnostic genes adopting least absolute shrinkage and selection operator (LASSO) logistic regression and support vector machine recursive feature elimination (SVM-RFE) analyses. The validity of putative biomarkers was assessed using the GSE1551 dataset, and we confirmed the area under the receiver operating characteristic curve (AUC) values. Finally, CIBERSORT was used to evaluate immune cell infiltration in DM muscles and the correlations between disease-related biomarkers and immune cells. Results In this study, a total of 414 DEGs were screened. ISG15, TNFRSF1A, GUSBP11, SERPINB1 and PTMA were identified as potential DM diagnostic biomarkers(AUC > 0.85),and the expressions of 5 genes in DM group were higher than that in healthy group (p < 0.05). Immune cell infiltration analyses indicated that identified DM diagnostic biomarkers may be associated with M1 macrophages, activated NK cells, Tfh cells, resting NK cells and Treg cells. Conclusion The study identified that ISG15, TNFRSF1A, GUSBP11, SERPINB1 and PTMA as potential diagnostic biomarkers of DM and these genes were closely correlated with immune cell infiltration.This will contribute to future studies in diagnosis and treatment of DM.
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Xiao W, Yang Y, Chu C, Rung SA, Wang Z, Man Y, Lin J, Qu Y. Macrophage response mediated by extracellular matrix: recent progress. Biomed Mater 2023; 18. [PMID: 36595269 DOI: 10.1088/1748-605x/aca946] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 12/06/2022] [Indexed: 12/12/2022]
Abstract
Biomaterials are one of efficient treatment options for tissue defects in regenerative medicine. Compared to synthetic materials which tend to induce chronic inflammatory response and fibrous capsule, extracellular matrix (ECM) scaffold materials composed of biopolymers are thought to be capable of inducing a pro-regenerative immune microenvironment and facilitate wound healing. Immune cells are the first line of response to implanted biomaterials. In particular, macrophages greatly affect cell behavior and the ultimate treatment outcome based on multiple cell phenotypes with various functions. The macrophage polarization status is considered as a general reflection of the characteristics of the immune microenvironment. Since numerous reports has emphasized the limitation of classical M1/M2 nomenclature, high-resolution techniques such as single-cell sequencing has been applied to recognize distinct macrophage phenotypes involved in host responses to biomaterials. After reviewing latest literatures that explored the immune microenvironment mediated by ECM scaffolds, this paper describe the behaviors of highly heterogeneous and plastic macrophages subpopulations which affect the tissue regeneration. The mechanisms by which ECM scaffolds interact with macrophages are also discussed from the perspectives of the ECM ultrastructure along with the nucleic acid, protein, and proteoglycan compositions, in order to provide targets for potential therapeutic modulation in regenerative medicine.
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Affiliation(s)
- Wenlan Xiao
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Yang Yang
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Chenyu Chu
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Sheng-An Rung
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Zhanqi Wang
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Yi Man
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Jie Lin
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Yili Qu
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
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Feng P, Che Y, Gao C, Zhu L, Gao J, Vo NV. Immune exposure: how macrophages interact with the nucleus pulposus. Front Immunol 2023; 14:1155746. [PMID: 37122738 PMCID: PMC10140429 DOI: 10.3389/fimmu.2023.1155746] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 03/31/2023] [Indexed: 05/02/2023] Open
Abstract
Intervertebral disc degeneration (IDD) is a primary contributor to low back pain. Immune cells play an extremely important role in modulating the progression of IDD by interacting with disc nucleus pulposus (NP) cells and extracellular matrix (ECM). Encased within the annulus fibrosus, healthy NP is an avascular and immune-privileged tissue that does not normally interact with macrophages. However, under pathological conditions in which neovascularization is established in the damaged disc, NP establishes extensive crosstalk with macrophages, leading to different outcomes depending on the different microenvironmental stimuli. M1 macrophages are a class of immune cells that are predominantly pro-inflammatory and promote inflammation and ECM degradation in the NP, creating a vicious cycle of matrix catabolism that drives IDD. In contrast, NP cells interacting with M2 macrophages promote disc tissue ECM remodeling and repair as M2 macrophages are primarily involved in anti-inflammatory cellular responses. Hence, depending on the crosstalk between NP and the type of immune cells (M1 vs. M2), the overall effects on IDD could be detrimental or regenerative. Drug or surgical treatment of IDD can modulate this crosstalk and hence the different treatment outcomes. This review comprehensively summarizes the interaction between macrophages and NP, aiming to highlight the important role of immunology in disc degeneration.
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Affiliation(s)
- Peng Feng
- School of Medicine, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Spine, Wangjing Hospital Affiliated to China Academy of Chinese Medical Sciences, Beijing, China
| | - Ying Che
- School of Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Chunyu Gao
- Department of Spine, Wangjing Hospital Affiliated to China Academy of Chinese Medical Sciences, Beijing, China
| | - Liguo Zhu
- Department of Spine, Wangjing Hospital Affiliated to China Academy of Chinese Medical Sciences, Beijing, China
- Beijing Key Laboratory of Bone Setting Technology of Traditional Chinese Medicine, Wangjing Hospital Affiliated to China Academy of Chinese Medical Sciences, Beijing, China
| | - Jinghua Gao
- Department of Spine, Wangjing Hospital Affiliated to China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Jinghua Gao, ; Nam V. Vo,
| | - Nam V. Vo
- Ferguson Laboratory for Orthopedic and Spine Research, Department of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, PA, United States
- *Correspondence: Jinghua Gao, ; Nam V. Vo,
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55
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Balážová K, Clevers H, Dost AFM. The role of macrophages in non-small cell lung cancer and advancements in 3D co-cultures. eLife 2023; 12:82998. [PMID: 36809334 PMCID: PMC9943070 DOI: 10.7554/elife.82998] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 02/09/2023] [Indexed: 02/23/2023] Open
Abstract
Lung cancer (LC) is the leading cause of cancer-related deaths worldwide. Traditional therapeutic approaches such as chemotherapy or radiotherapy have provided only a marginal improvement in the treatment of lung carcinomas. Inhibitors targeting specific genetic aberrations present in non-small cell lung cancer (NSCLC), the most common subtype (85%), have improved the prognostic outlook, but due to the complexity of the LC mutational spectrum, only a fraction of patients benefit from these targeted molecular therapies. More recently, the realization that the immune infiltrate surrounding solid tumors can foster tumor-promoting inflammation has led to the development and implementation of anticancer immunotherapies in the clinic. In NSCLC, one of the most abundant leukocyte infiltrates is macrophages. These highly plastic phagocytes, which are part of the cellular repertoire of the innate immunity, can have a pivotal role in early NSCLC establishment, malignant progression, and tumor invasion. Emerging macrophage-targeting therapies have been focused on the re-differentiation of the macrophages toward an antitumorigenic phenotype, depletion of tumor-promoting macrophage subtypes, or combination therapies combining traditional cytotoxic treatments with immunotherapeutic agents. The most extensively used models employed for the exploration of NSCLC biology and therapy have been 2D cell lines and murine models. However, studying cancer immunology requires appropriately complex models. 3D platforms, including organoid models, are quickly advancing powerful tools to study immune cell-epithelial cell interactions within the tumor microenvironment. Co-cultures of immune cells along with NSCLC organoids allow for an in vitro observation of the tumor microenvironment dynamics closely resembling in vivo settings. Ultimately, the implementation of 3D organoid technology into tumor microenvironment-modeling platforms might facilitate the exploration of macrophage-targeted therapies in NSCLC immunotherapeutic research, thus establishing a new frontier in NSCLC treatment.
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Affiliation(s)
- Katarína Balážová
- Hubrecht Institute for Developmental Biology and Stem Cell Research-KNAW & University Medical Centre UtrechtUtrechtNetherlands,Oncode Institute, Hubrecht Institute-KNAWUtrechtNetherlands
| | - Hans Clevers
- Roche Pharma Research and early DevelopmentBaselSwitzerland
| | - Antonella FM Dost
- Hubrecht Institute for Developmental Biology and Stem Cell Research-KNAW & University Medical Centre UtrechtUtrechtNetherlands,Oncode Institute, Hubrecht Institute-KNAWUtrechtNetherlands
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56
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Fatica M, D’Antonio A, Novelli L, Triggianese P, Conigliaro P, Greco E, Bergamini A, Perricone C, Chimenti MS. How Has Molecular Biology Enhanced Our Undertaking of axSpA and Its Management. Curr Rheumatol Rep 2023; 25:12-33. [PMID: 36308677 PMCID: PMC9825525 DOI: 10.1007/s11926-022-01092-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2022] [Indexed: 01/11/2023]
Abstract
PURPOSE This review aims at investigating pathophysiological mechanisms in spondyloarthritis (SpA). Analysis of genetic factors, immunological pathways, and abnormalities of bone metabolism lay the foundations for a better understanding of development of the axial clinical manifestations in patients, allowing physician to choose the most appropriate therapeutic strategy in a more targeted manner. RECENT FINDINGS In addition to the contribution of MHC system, findings emerged about the role of non-HLA genes (as ERAP1 and 2, whose inhibition could represent a new therapeutic approach) and of epigenetic mechanisms that regulate the expression of genes involved in SpA pathogenesis. Increasing evidence of bone metabolism abnormalities secondary to the activation of immunological pathways suggests the development of various bone anomalies that are present in axSpA patients. SpA are a group of inflammatory diseases with a multifactorial origin, whose pathogenesis is linked to the genetic predisposition, the action of environmental risk factors, and the activation of immune response. It is now well known how bone metabolism leads to long-term structural damage via increased bone turnover, bone loss and osteoporosis, osteitis, erosions, osteosclerosis, and osteoproliferation. These effects can exist in the same patient over time or even simultaneously. Evidence suggests a cross relationship among innate immunity, autoimmunity, and bone remodeling in SpA, making treatment approach a challenge for rheumatologists. Specifically, treatment targets are consistently increasing as new drugs are upcoming. Both biological and targeted synthetic drugs are promising in terms of their efficacy and safety profile in patients affected by SpA.
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Affiliation(s)
- Mauro Fatica
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Arianna D’Antonio
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Lucia Novelli
- UniCamillus, Saint Camillus International University of Health Sciences, Rome, Italy
| | - Paola Triggianese
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Paola Conigliaro
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Elisabetta Greco
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Alberto Bergamini
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Carlo Perricone
- Rheumatology, Department of Medicine, University of Perugia, Perugia, Italy
| | - Maria Sole Chimenti
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
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Zhang S, Rautela J, Bediaga NG, Kolesnik TB, You Y, Nie J, Dagley LF, Bedo J, Wang H, Sun L, Sutherland R, Surgenor E, Iannarella N, Allan R, Souza-Fonseca-Guimaraes F, Xie Y, Wang Q, Zhang Y, Xu Y, Nutt SL, Lew AM, Huntington ND, Nicholson SE, Chopin M, Zhan Y. CIS controls the functional polarization of GM-CSF-derived macrophages. Cell Mol Immunol 2023; 20:65-79. [PMID: 36471114 PMCID: PMC9794780 DOI: 10.1038/s41423-022-00957-z] [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: 06/18/2022] [Revised: 10/24/2022] [Accepted: 11/07/2022] [Indexed: 12/12/2022] Open
Abstract
The cytokine granulocyte-macrophage-colony stimulating factor (GM-CSF) possesses the capacity to differentiate monocytes into macrophages (MØs) with opposing functions, namely, proinflammatory M1-like MØs and immunosuppressive M2-like MØs. Despite the importance of these opposing biological outcomes, the intrinsic mechanism that regulates the functional polarization of MØs under GM-CSF signaling remains elusive. Here, we showed that GM-CSF-induced MØ polarization resulted in the expression of cytokine-inducible SH2-containing protein (CIS) and that CIS deficiency skewed the differentiation of monocytes toward immunosuppressive M2-like MØs. CIS deficiency resulted in hyperactivation of the JAK-STAT5 signaling pathway, consequently promoting downregulation of the transcription factor Interferon Regulatory Factor 8 (IRF8). Loss- and gain-of-function approaches highlighted IRF8 as a critical regulator of the M1-like polarization program. In vivo, CIS deficiency induced the differentiation of M2-like macrophages, which promoted strong Th2 immune responses characterized by the development of severe experimental asthma. Collectively, our results reveal a CIS-modulated mechanism that clarifies the opposing actions of GM-CSF in MØ differentiation and uncovers the role of GM-CSF in controlling allergic inflammation.
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Affiliation(s)
- Shengbo Zhang
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Jai Rautela
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
- oNKo-Innate Pty Ltd, Moonee Ponds, VIC, Australia
| | - Naiara G Bediaga
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Tatiana B Kolesnik
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
| | - Yue You
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Junli Nie
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Laura F Dagley
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Justin Bedo
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Computing and Information Systems, University of Melbourne, Parkville, VIC, Australia
| | - Hanqing Wang
- Department of Respiratory Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Centre, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Li Sun
- College of Biological Science, Anhui Normal University, Hefei, China
| | - Robyn Sutherland
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Elliot Surgenor
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
| | - Nadia Iannarella
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
| | - Rhys Allan
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Fernando Souza-Fonseca-Guimaraes
- University of Queensland Diamantina Institute, University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
| | - Yi Xie
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Program in Cardiovascular and Metabolic Disorders, Duke-NUS Medical School, Duke, Singapore
| | - Qike Wang
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Yuxia Zhang
- Department of Respiratory Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Centre, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Yuekang Xu
- College of Biological Science, Anhui Normal University, Hefei, China
| | - Stephen L Nutt
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Andrew M Lew
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Nicholas D Huntington
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
- oNKo-Innate Pty Ltd, Moonee Ponds, VIC, Australia
| | - Sandra E Nicholson
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Michaël Chopin
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia.
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia.
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia.
| | - Yifan Zhan
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia.
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia.
- Drug Discovery, Shanghai Huaota Biopharm, Shanghai, China.
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Lv G, Zhang L, Gao L, Cui J, Liu Z, Sun B, Wang G, Tang Q. The application of single-cell sequencing in pancreatic neoplasm: analysis, diagnosis and treatment. Br J Cancer 2023; 128:206-218. [PMID: 36307645 PMCID: PMC9902442 DOI: 10.1038/s41416-022-02023-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 02/08/2023] Open
Abstract
Pancreatic neoplasms, including pancreatic ductal adenocarcinoma (PDAC), intraductal papillary mucinous neoplasm (IPMN) and pancreatic cystic neoplasms (PCNs), are the most puzzling diseases. Numerous studies have not brought significant improvements in prognosis and diagnosis, especially in PDAC. One important reason is that previous studies only focused on differences between patients and healthy individuals but ignored intratumoral heterogeneity. In recent years, single-cell sequencing techniques, represented by single-cell RNA sequencing (scRNA-seq), have emerged by which researchers can analyse each cell in tumours instead of their average levels. Herein, we summarise the new current knowledge of single-cell sequencing in pancreatic neoplasms with respect to techniques, tumour heterogeneities and treatments.
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Affiliation(s)
- Gaoyuan Lv
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 150000, Harbin, Heilongjiang Province, China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Liang Zhang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 150000, Harbin, Heilongjiang Province, China
| | - Lei Gao
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 150000, Harbin, Heilongjiang Province, China
| | - Jitao Cui
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 150000, Harbin, Heilongjiang Province, China
| | - Ziying Liu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 150000, Harbin, Heilongjiang Province, China
| | - Bei Sun
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 150000, Harbin, Heilongjiang Province, China
| | - Gang Wang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 150000, Harbin, Heilongjiang Province, China.
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, China.
| | - Qiushi Tang
- Chinese Journal of Practical Surgery, Chinese Medical University, Shenyang, China.
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Abstract
Succinate is a circulating metabolite, and the relationship between abnormal changes in the physiological concentration of succinate and inflammatory diseases caused by the overreaction of certain immune cells has become a research focus. Recent investigations have shown that succinate produced by the gut microbiota has the potential to regulate host homeostasis and treat diseases such as inflammation. Gut microbes are important for maintaining intestinal homeostasis. Microbial metabolites serve as nutrients in energy metabolism, and act as signal molecules that stimulate host cell and organ function and affect the structural balance between symbiotic gut microorganisms. This review focuses on succinate as a metabolite of both host cells and gut microbes and its involvement in regulating the gut - immune tissue axis by activating intestinal mucosal cells, including macrophages, dendritic cells, and intestinal epithelial cells. We also examined its role as the mediator of microbiota - host crosstalk and its potential function in regulating intestinal microbiota homeostasis. This review explores feasible ways to moderate succinate levels and provides new insights into succinate as a potential target for microbial therapeutics for humans.
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Affiliation(s)
- Yi-Han Wei
- College of Animal Science, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, Guangzhou, China
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xi Ma
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Jiang-Chao Zhao
- Department of Animal Science, Division of Agriculture, University of Arkansas, Fayetteville, AR, USA
| | - Xiu-Qi Wang
- College of Animal Science, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, Guangzhou, China
| | - Chun-Qi Gao
- College of Animal Science, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, Guangzhou, China
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Kumpunya S, Thim-uam A, Thumarat C, Leelahavanichkul A, Kalpongnukul N, Chantaravisoot N, Pisitkun T, Pisitkun P. cGAS deficiency enhances inflammasome activation in macrophages and inflammatory pathology in pristane-induced lupus. Front Immunol 2022; 13:1010764. [PMID: 36591278 PMCID: PMC9800982 DOI: 10.3389/fimmu.2022.1010764] [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: 08/03/2022] [Accepted: 11/29/2022] [Indexed: 12/23/2022] Open
Abstract
Introduction Type I interferon (IFN) plays a vital role in the pathogenesis of systemic lupus erythematosus. Cyclic GMP AMP synthase (cGAS) is a cytosolic DNA sensor that recognizes dsDNA and creates cGAMP to activate STING-mediated type I IFN production. The activation of STING induces lupus disease in Fcgr2b deficient mice through the differentiation of dendritic cells. In contrast, Cgas-deficient mice could be generated more autoantibody production and proteinuria in pristane-induced lupus (PIL). These data suggested that the other dsDNA sensors could be involved in lupus development mechanisms. Methods This study aimed to identify the cGAS-mediated mechanisms contributing to lupus pathogenesis in PIL. The Cgas-deficient and WT mice were induced lupus disease with pristane and subsequently analyzed autoantibody, histopathology, and immunophenotypes. The lung tissues were analyzed with the expression profiles by RT-PCR and western blot. The bone marrow-derived macrophages were stimulated with inflammasome activators and observed pyroptosis. Results The Cgas-/- mice developed more severe pulmonary hemorrhage and autoantibody production than WT mice. The activated dendritic cells, IFN-g-, and IL-17a-producing T helper cells, and infiltrated macrophages in the lung were detected in Cgas-/- mice higher than in WT mice. We observed an increase in expression of Aim2, Casp11, and Ifi16 in the lung and serum IL-1a but IL-1b in pristane-injected Cgas-/- mice. The rise of Caspase-11 in the lung of pristane-injected Cgas-/- mice suggested noncanonical inflammasome activation. The activation of AIM2 and NLRP3 inflammasomes in bone marrow-derived macrophages (BMDMs) enhanced the number of dead cells in Cgas-/- mice compared with WT mice. Activation of the inflammasome significantly induced pyroptosis in Cgas-/- BMDMs. The dsDNA level, but not mitochondrial DNA, increased dramatically in pristane-injected Cgas-/- mice suggesting the dsDNA could be a ligand activating inflammasomes. The cGAS agonist-induced BMDM activation in the Cgas-/- mice indicated that the activation of DNA sensors other than cGAS enhanced activated macrophages. Conclusion These findings suggested that cGAS hampers the unusual noncanonical inflammasome activation through other DNA sensors.
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Affiliation(s)
- Sarinya Kumpunya
- Interdisciplinary Program of Biomedical Sciences, Graduate School, Chulalongkorn University, Bangkok, Thailand
| | - Arthid Thim-uam
- Division of Biochemistry, School of Medical Sciences, University of Phayao, Phayao, Thailand
| | - Chisanu Thumarat
- Program in Translational Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Asada Leelahavanichkul
- Center of Excellence in Translational Research in Inflammation and Immunology (CETRII), Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Nuttiya Kalpongnukul
- Interdisciplinary Program of Biomedical Sciences, Graduate School, Chulalongkorn University, Bangkok, Thailand,Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Naphat Chantaravisoot
- Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand,Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Trairak Pisitkun
- Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand,Epithelial Systems Biology Laboratory, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, United States,*Correspondence: Prapaporn Pisitkun, ; Trairak Pisitkun,
| | - Prapaporn Pisitkun
- Program in Translational Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand,Division of Allergy, Immunology, and Rheumatology, Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand,*Correspondence: Prapaporn Pisitkun, ; Trairak Pisitkun,
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Zhu Z, Shi L, Dong Y, Zhang Y, Yang F, Wei J, Huo M, Li P, Liu X. Effect of crosstalk among conspirators in tumor microenvironment on niche metastasis of gastric cancer. Am J Cancer Res 2022; 12:5375-5402. [PMID: 36628284 PMCID: PMC9827080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 11/16/2022] [Indexed: 01/12/2023] Open
Abstract
In Traditional Chinese medicine, the metaphoric views of the human body are based on observations of nature guided by the theory of "Yin-Yang". The direct meanings of yin and yang are the bright and dark sides of an object, which often represent a wider range of opposite properties. When we shifted our view to gastric cancer (GC), we found that there are more distinctive Yin and Yang features in the mechanism of GC development and metastasis, which is observed in many mechanisms such as GC metastasis, immune escape, and stem cell homing. When illustrating this process from the yin-yang perspective, categorizing different cells in the tumor microenvironment enables new and different perspectives to be put forward on the mechanism and treatment of GC metastasis.
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Affiliation(s)
- Zhongbo Zhu
- Key Laboratory of Gansu Provincial Prescription Mining and Innovative Translational Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China,Gansu Provincial Traditional Chinese Medicine New Product Creation Engineering Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China
| | - Lijuan Shi
- Key Laboratory of Gansu Provincial Prescription Mining and Innovative Translational Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China,Gansu Provincial Traditional Chinese Medicine New Product Creation Engineering Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China
| | - Yawei Dong
- Key Laboratory of Gansu Provincial Prescription Mining and Innovative Translational Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China,Gansu Provincial Traditional Chinese Medicine New Product Creation Engineering Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China
| | - Yanmei Zhang
- Key Laboratory of Gansu Provincial Prescription Mining and Innovative Translational Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China,Gansu Provincial Traditional Chinese Medicine New Product Creation Engineering Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China
| | - Fan Yang
- Key Laboratory of Gansu Provincial Prescription Mining and Innovative Translational Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China,Gansu Provincial Traditional Chinese Medicine New Product Creation Engineering Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China
| | - Jingjing Wei
- Key Laboratory of Gansu Provincial Prescription Mining and Innovative Translational Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China,Gansu Provincial Traditional Chinese Medicine New Product Creation Engineering Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China
| | - Minfeng Huo
- Key Laboratory of Gansu Provincial Prescription Mining and Innovative Translational Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China,Gansu Provincial Traditional Chinese Medicine New Product Creation Engineering Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China
| | - Peiqing Li
- Key Laboratory of Gansu Provincial Prescription Mining and Innovative Translational Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China,Gansu Provincial Traditional Chinese Medicine New Product Creation Engineering Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China
| | - Xiping Liu
- Key Laboratory of Gansu Provincial Prescription Mining and Innovative Translational Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China,Gansu Provincial Traditional Chinese Medicine New Product Creation Engineering Laboratory, Gansu University of Chinese MedicineLanzhou 730000, Gansu, P. R. China
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The Interface of Tumour-Associated Macrophages with Dying Cancer Cells in Immuno-Oncology. Cells 2022; 11:cells11233890. [PMID: 36497148 PMCID: PMC9741298 DOI: 10.3390/cells11233890] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/25/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022] Open
Abstract
Tumour-associated macrophages (TAMs) are essential players in the tumour microenvironment (TME) and modulate various pro-tumorigenic functions such as immunosuppression, angiogenesis, cancer cell proliferation, invasion and metastasis, along with resistance to anti-cancer therapies. TAMs also mediate important anti-tumour functions and can clear dying cancer cells via efferocytosis. Thus, not surprisingly, TAMs exhibit heterogeneous activities and functional plasticity depending on the type and context of cancer cell death that they are faced with. This ultimately governs both the pro-tumorigenic and anti-tumorigenic activity of TAMs, making the interface between TAMs and dying cancer cells very important for modulating cancer growth and the efficacy of chemo-radiotherapy or immunotherapy. In this review, we discuss the interface of TAMs with cancer cell death from the perspectives of cell death pathways, TME-driven variations, TAM heterogeneity and cell-death-inducing anti-cancer therapies. We believe that a better understanding of how dying cancer cells influence TAMs can lead to improved combinatorial anti-cancer therapies, especially in combination with TAM-targeting immunotherapies.
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Li W, Chen P, Pan Y, Lu L, Ning X, Liu J, Wei J, Chen M, Zhao P, Ou C. Construction of a Band-Aid Like Cardiac Patch for Myocardial Infarction with Controllable H 2 S Release. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2204509. [PMID: 36285675 PMCID: PMC9762300 DOI: 10.1002/advs.202204509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/25/2022] [Indexed: 06/16/2023]
Abstract
Excessive or persistent inflammation incites cardiomyocytes necrosis by generating reactive oxygen species in myocardial infarction (MI). Hydrogen sulfide (H2 S), a gaseous signal molecule, can quickly permeate cells and tissues, growing concerned for its cardioprotective effects. However, short resident time and strong side effects greatly restrict its application. Herein, a complex scaffold (AAB) is first developed to slowly release H2 S for myocardial protection by integrating alginate modified with 2-aminopyridine-5-thiocarboxamide (H2 S donor) into albumin electrospun fibers. Next, a band-aid like patch is constructed based on AAB (center) and nanocomposite scaffold which comprises albumin scaffold and black phosphorus nanosheets (BPNSs). With near-infrared laser (808 nm), thermal energy generated by BPNSs can locally change the molecular structure of fibrous scaffold, thereby attaching patch to the myocardium. In this study, it is also demonstrated that AAB can enhance regenerative M2 macrophage and attenuate inflammatory polarization of macrophages via reduction in intracellular ROS. Eventually, this engineered cardiac patch can relieve inflammation and promote angiogenesis after MI, and thereby recover heart function, providing a promising therapeutic strategy for MI treatment.
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Affiliation(s)
- Weirun Li
- Affiliated Dongguan HospitalSouthern Medical University (Dongguan People's Hospital)Dongguan523058China
| | - Peier Chen
- Department of CardiologyLaboratory of Heart CenterHeart CenterZhujiang HospitalSouthern Medical UniversityGuangzhou510280China
| | - Yuxuan Pan
- Affiliated Dongguan HospitalSouthern Medical University (Dongguan People's Hospital)Dongguan523058China
| | - Ling Lu
- NMPA Key Laboratory for Research and Evaluation of Drug MetabolismGuangdong Provincial Key Laboratory of New Drug ScreeningSchool of Pharmaceutical SciencesSouthern Medical UniversityGuangzhou510515China
| | - Xiaodong Ning
- Affiliated Dongguan HospitalSouthern Medical University (Dongguan People's Hospital)Dongguan523058China
| | - Jiamin Liu
- NMPA Key Laboratory for Research and Evaluation of Drug MetabolismGuangdong Provincial Key Laboratory of New Drug ScreeningSchool of Pharmaceutical SciencesSouthern Medical UniversityGuangzhou510515China
| | - Jintao Wei
- Affiliated Dongguan HospitalSouthern Medical University (Dongguan People's Hospital)Dongguan523058China
| | - Minsheng Chen
- Department of CardiologyLaboratory of Heart CenterHeart CenterZhujiang HospitalSouthern Medical UniversityGuangzhou510280China
| | - Peng Zhao
- NMPA Key Laboratory for Research and Evaluation of Drug MetabolismGuangdong Provincial Key Laboratory of New Drug ScreeningSchool of Pharmaceutical SciencesSouthern Medical UniversityGuangzhou510515China
- Guangdong Provincial Key Laboratory of Cardiac Function and MicrocirculationSouthern Medical UniversityGuangzhou510515China
| | - Caiwen Ou
- Affiliated Dongguan HospitalSouthern Medical University (Dongguan People's Hospital)Dongguan523058China
- Guangdong Provincial Key Laboratory of Shock and MicrocirculationGuangzhou510515China
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64
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Venegas Garrido C, Mukherjee M, Bhalla A, Nair P. Airway autoimmunity, asthma exacerbations, and response to biologics. Clin Exp Allergy 2022; 52:1365-1378. [PMID: 35993511 DOI: 10.1111/cea.14220] [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: 06/28/2022] [Accepted: 08/16/2022] [Indexed: 01/26/2023]
Abstract
Biologic therapies in asthma are indicated in severe disease, and they are directed against specific inflammatory modulators that contribute to pathogenesis and severity. Currently approved biologics target T2 cytokines (IgE, IL-5, IL-4/IL-13, and TLSP) and have demonstrated efficacy in clinical outcomes such as exacerbation rate and oral corticosteroid dose reductions, blood and airway eosinophil depletion, and lung function improvement. However, a proportion of these patients may show inadequate responses to biologics, with either initial lack of improvement or clinical and functional worsening after an optimal initial response. Exacerbations while on a biologic may be due to several reasons, including imprecise identification of the dominant effector pathway contributing to severity, additional inflammatory pathways that are not targeted by the biologic, inaccuracies of the biomarker used to guide therapy, inadequate dosing schedules, intercurrent airway infections, anti-drug neutralizing antibodies, and a novel phenomenon of autoimmune responses in the airways interfering with the effectiveness of the monoclonal antibodies. This review, illustrated using case scenarios, describes the underpinnings of airway autoimmune responses in driving exacerbations while patients are being treated with biologics, device a strategy to evaluate such exacerbations, an algorithm to switch between biologics, and perhaps to consider two biologics concurrently.
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Affiliation(s)
- Carmen Venegas Garrido
- Firestone Institute for Respiratory Health, St Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada.,Division of Respirology, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Manali Mukherjee
- Firestone Institute for Respiratory Health, St Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada.,Division of Respirology, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Anurag Bhalla
- Division of Respirology, Department of Medicine, Western University, London, Ontario, Canada
| | - Parameswaran Nair
- Firestone Institute for Respiratory Health, St Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada.,Division of Respirology, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
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Serafino A, Marin Franco JL, Maio M, Trotta A, Genoula M, Castillo LA, Birnberg Weiss F, Pittaluga JR, Balboa L, Barrionuevo P, Milillo MA. Brucella abortus RNA does not polarize macrophages to a particular profile but interferes with M1 polarization. PLoS Negl Trop Dis 2022; 16:e0010950. [PMID: 36441810 PMCID: PMC9731426 DOI: 10.1371/journal.pntd.0010950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 12/08/2022] [Accepted: 11/14/2022] [Indexed: 11/29/2022] Open
Abstract
Monocytes and macrophages play a central role in chronic brucellosis. Brucella abortus (Ba) is an intracellular pathogen that survives inside these cells. On the other hand, macrophages could be differentiated into classical (M1), alternative (M2) or other less-identified profiles. We have previously shown that Ba RNA (a bacterial viability-associated PAMP or vita-PAMP) is a key molecule by which Ba can evade the host immune response. However, we did not know if macrophages could be polarized by this vita-PAMP. To assess this, we used two different approaches: we evaluated if Ba RNA per se was able to differentiate macrophages to M1 or M2 or, given that Ba survives inside macrophages once a Th1 response is established (i.e., in the presence of IFN-γ), we also analysed if Ba RNA could interfere with M1 polarization. We found that Ba RNA alone does not polarize to M1 or M2 but activates human macrophages instead. However, our results show that Ba RNA does interfere with M1 polarization while they are being differentiated. This vita-PAMP diminished the M1-induced CD64, and MHC-II surface expression on macrophages at 48 h. This phenomenon was not associated with an alternative activation of these cells (M2), as shown by unchanged CD206, DC-SIGN and CD163 surface expression. When evaluating glucose metabolism, we found that Ba RNA did not modify M1 glucose consumption or lactate production. However, production of Nitrogen Reactive Species (NRS) did diminish in Ba RNA-treated M1 macrophages. Overall, our results show that Ba RNA could alter the proper immune response set to counterattack the bacteria that could persist in the host establishing a chronic infection.
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Affiliation(s)
- Agustina Serafino
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
| | - José L. Marin Franco
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
| | - Mariano Maio
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
| | - Aldana Trotta
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
| | - Melanie Genoula
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
| | - Luis A. Castillo
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
| | - Federico Birnberg Weiss
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
| | - José R. Pittaluga
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
| | - Luciana Balboa
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
| | - Paula Barrionuevo
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
- * E-mail: (PB); (MAM)
| | - M. Ayelén Milillo
- Instituto de Medicina Experimental—Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Academia Nacional de Medicina; Buenos Aires, Argentina
- * E-mail: (PB); (MAM)
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Modulation of the Microglial Nogo-A/NgR Signaling Pathway as a Therapeutic Target for Multiple Sclerosis. Cells 2022; 11:cells11233768. [PMID: 36497029 PMCID: PMC9737582 DOI: 10.3390/cells11233768] [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: 10/20/2022] [Revised: 11/23/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
Current therapeutics targeting chronic phases of multiple sclerosis (MS) are considerably limited in reversing the neural damage resulting from repeated inflammation and demyelination insults in the multi-focal lesions. This inflammation is propagated by the activation of microglia, the endogenous immune cell aiding in the central nervous system homeostasis. Activated microglia may transition into polarized phenotypes; namely, the classically activated proinflammatory phenotype (previously categorized as M1) and the alternatively activated anti-inflammatory phenotype (previously, M2). These transitional microglial phenotypes are dynamic states, existing as a continuum. Shifting microglial polarization to an anti-inflammatory status may be a potential therapeutic strategy that can be harnessed to limit neuroinflammation and further neurodegeneration in MS. Our research has observed that the obstruction of signaling by inhibitory myelin proteins such as myelin-associated inhibitory factor, Nogo-A, with its receptor (NgR), can regulate microglial cell function and activity in pre-clinical animal studies. Our review explores the microglial role and polarization in MS pathology. Additionally, the potential therapeutics of targeting Nogo-A/NgR cellular mechanisms on microglia migration, polarization and phagocytosis for neurorepair in MS and other demyelination diseases will be discussed.
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67
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Shi X, Zhou H, Wei J, Mo W, Li Q, Lv X. The signaling pathways and therapeutic potential of itaconate to alleviate inflammation and oxidative stress in inflammatory diseases. Redox Biol 2022; 58:102553. [PMID: 36459716 PMCID: PMC9713374 DOI: 10.1016/j.redox.2022.102553] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/19/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022] Open
Abstract
Endogenous small molecules are metabolic regulators of cell function. Itaconate is a key molecule that accumulates in cells when the Krebs cycle is disrupted. Itaconate is derived from cis-aconitate decarboxylation by cis-aconitate decarboxylase (ACOD1) in the mitochondrial matrix and is also known as immune-responsive gene 1 (IRG1). Studies have demonstrated that itaconate plays an important role in regulating signal transduction and posttranslational modification through its immunoregulatory activities. Itaconate is also an important bridge among metabolism, inflammation, oxidative stress, and the immune response. This review summarizes the structural characteristics and classical pathways of itaconate, its derivatives, and the compounds that release itaconate. Here, the mechanisms of itaconate action, including its transcriptional regulation of ATF3/IκBζ axis and type I IFN, its protein modification regulation of KEAP1, inflammasome, JAK1/STAT6 pathway, TET2, and TFEB, and succinate dehydrogenase and glycolytic enzyme metabolic action, are presented. Moreover, the roles of itaconate in diseases related to inflammation and oxidative stress induced by autoimmune responses, viruses, sepsis and IRI are discussed in this review. We hope that the information provided in this review will help increase the understanding of cellular immune metabolism and improve the clinical treatment of diseases related to inflammation and oxidative stress.
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Pang J, Maienschein-Cline M, Koh TJ. Monocyte/Macrophage Heterogeneity during Skin Wound Healing in Mice. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:1999-2011. [PMID: 36426946 PMCID: PMC9643652 DOI: 10.4049/jimmunol.2200365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 09/07/2022] [Indexed: 12/31/2022]
Abstract
Monocytes (Mos)/macrophages (Mϕs) orchestrate biological processes critical for efficient skin wound healing. However, current understanding of skin wound Mo/Mϕ heterogeneity is limited by traditional experimental approaches such as flow cytometry and immunohistochemistry. Therefore, we sought to more fully explore Mo/Mϕ heterogeneity and associated state transitions during the course of excisional skin wound healing in mice using single-cell RNA sequencing. The live CD45+CD11b+Ly6G- cells were isolated from skin wounds of C57BL/6 mice on days 3, 6, and 10 postinjury and captured using the 10x Genomics Chromium platform. A total of 2813 high-quality cells were embedded into a uniform manifold approximation and projection space, and eight clusters of distinctive cell populations were identified. Cluster dissimilarity and differentially expressed gene analysis categorized those clusters into three groups: early-stage/proinflammatory, late-stage/prohealing, and Ag-presenting phenotypes. Signature gene and Gene Ontology analysis of each cluster provided clues about the different functions of the Mo/Mϕ subsets, including inflammation, chemotaxis, biosynthesis, angiogenesis, proliferation, and cell death. Quantitative PCR assays validated characteristics of early- versus late-stage Mos/Mϕs inferred from our single-cell RNA sequencing dataset. Additionally, cell trajectory analysis by pseudotime and RNA velocity and adoptive transfer experiments indicated state transitions between early- and late-state Mos/Mϕs as healing progressed. Finally, we show that the chemokine Ccl7, which was a signature gene for early-stage Mos/Mϕs, preferentially induced the accumulation of proinflammatory Ly6C+F4/80lo/- Mos/Mϕs in mouse skin wounds. In summary, our data demonstrate the complexity of Mo/Mϕ phenotypes, their dynamic behavior, and diverse functions during normal skin wound healing.
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Affiliation(s)
- Jingbo Pang
- Center for Wound Healing and Tissue Regeneration, Department of Kinesiology and Nutrition, University of Illinois at Chicago, Chicago, IL 60612
| | | | - Timothy J. Koh
- Center for Wound Healing and Tissue Regeneration, Department of Kinesiology and Nutrition, University of Illinois at Chicago, Chicago, IL 60612
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69
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Mulder PP, Vlig M, Fasse E, Stoop MM, Pijpe A, van Zuijlen PP, Joosten I, Boekema BK, Koenen HJ. Burn-injured skin is marked by a prolonged local acute inflammatory response of innate immune cells and pro-inflammatory cytokines. Front Immunol 2022; 13:1034420. [PMID: 36451819 PMCID: PMC9703075 DOI: 10.3389/fimmu.2022.1034420] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 10/28/2022] [Indexed: 10/10/2023] Open
Abstract
The systemic and local immune response in burn patients is often extreme and derailed. As excessive inflammation can damage healthy tissues and slow down the healing process, modulation of inflammatory responses could limit complications and improve recovery. Due to its complexity, more detailed information on the immune effects of thermal injury is needed to improve patient outcomes. We therefore characterized and quantified subsets of immune cells and mediators present in human burn wound tissue (eschar), sampled at various time points. This study shows that after burn injury, the number of immune cells were persistently increased, unlike the normal wound healing process. There was an immediate, strong increase in neutrophils and a moderate increase in monocytes/macrophages and lymphocytes, especially in the second and third week post burn. The percentage of classical (CD14highCD16-) monocytes/macrophages demonstrated a steady decrease over time, whereas the proportion of intermediate (CD14highCD16+) monocytes/macrophages slowly increased. The absolute numbers of T cells, NK cells and B cells increased up to week 3, while the fraction of γδ T cells was increased only in week 1. Secretome profiling revealed high levels of chemokines and an overall pro-inflammatory cytokine milieu in burn tissue. The local burn immune response shows similarities to the systemic immune reaction, but differs in neutrophil maturity and lymphocyte composition. Altogether, the neutrophil surges, high levels of pro-inflammatory cytokines and limited immunosuppression might be key factors that prolong the inflammation phase and delay the wound healing process in burns.
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Affiliation(s)
- Patrick P.G. Mulder
- Preclinical & Clinical Research, Association of Dutch Burn Centres (ADBC), Beverwijk, Netherlands
- Laboratory of Medical Immunology, Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, Netherlands
| | - Marcel Vlig
- Preclinical & Clinical Research, Association of Dutch Burn Centres (ADBC), Beverwijk, Netherlands
| | - Esther Fasse
- Laboratory of Medical Immunology, Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, Netherlands
| | - Matthea M. Stoop
- Burn Center & Department of Plastic and Reconstructive Surgery, Red Cross Hospital, Beverwijk, Netherlands
| | - Anouk Pijpe
- Preclinical & Clinical Research, Association of Dutch Burn Centres (ADBC), Beverwijk, Netherlands
- Burn Center & Department of Plastic and Reconstructive Surgery, Red Cross Hospital, Beverwijk, Netherlands
- Department of Plastic Reconstructive and Hand Surgery, Amsterdam UMC Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- Amsterdam Movement Sciences (AMS) Institute, Amsterdam UMC, Amsterdam, Netherlands
| | - Paul P.M. van Zuijlen
- Burn Center & Department of Plastic and Reconstructive Surgery, Red Cross Hospital, Beverwijk, Netherlands
- Department of Plastic Reconstructive and Hand Surgery, Amsterdam UMC Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- Amsterdam Movement Sciences (AMS) Institute, Amsterdam UMC, Amsterdam, Netherlands
- Paediatric Surgical Centre, Emma Children’s Hospital, Amsterdam UMC University of Amsterdam, Amsterdam, Netherlands
| | - Irma Joosten
- Laboratory of Medical Immunology, Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, Netherlands
| | - Bouke K.H.L. Boekema
- Preclinical & Clinical Research, Association of Dutch Burn Centres (ADBC), Beverwijk, Netherlands
- Department of Plastic Reconstructive and Hand Surgery, Amsterdam UMC Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Hans J.P.M. Koenen
- Laboratory of Medical Immunology, Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, Netherlands
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Riba M, Campo-Sabariz J, Tena I, Molina-Porcel L, Ximelis T, Calvo M, Ferrer R, Martín-Venegas R, del Valle J, Vilaplana J, Pelegrí C. Wasteosomes (corpora amylacea) of human brain can be phagocytosed and digested by macrophages. Cell Biosci 2022; 12:177. [PMID: 36307854 PMCID: PMC9617366 DOI: 10.1186/s13578-022-00915-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 10/15/2022] [Indexed: 11/07/2022] Open
Abstract
Background Corpora amylacea of human brain, recently renamed as wasteosomes, are granular structures that appear during aging and also accumulate in specific areas of the brain in neurodegenerative conditions. Acting as waste containers, wasteosomes are formed by polyglucosan aggregates that entrap and isolate toxic and waste substances of different origins. They are expelled from the brain to the cerebrospinal fluid (CSF), and can be phagocytosed by macrophages. In the present study, we analyze the phagocytosis of wasteosomes and the mechanisms involved in this process. Accordingly, we purified wasteosomes from post-mortem extracted human CSF and incubated them with THP-1 macrophages. Immunofluorescence staining and time-lapse recording techniques were performed to evaluate the phagocytosis. We also immunostained human hippocampal sections to study possible interactions between wasteosomes and macrophages at central nervous system interfaces. Results We observed that the wasteosomes obtained from post-mortem extracted CSF are opsonized by MBL and the C3b complement protein. Moreover, we observed that CD206 and CD35 receptors may be involved in the phagocytosis of these wasteosomes by THP-1 macrophages. Once phagocytosed, wasteosomes become degraded and some of the resulting fractions can be exposed on the surface of macrophages and interchanged between different macrophages. However, brain tissue studies show that, in physiological conditions, CD206 but not CD35 receptors may be involved in the phagocytosis of wasteosomes. Conclusions The present study indicates that macrophages have the machinery required to process and degrade wasteosomes, and that macrophages can interact in different ways with wasteosomes. In physiological conditions, the main mechanism involve CD206 receptors and M2 macrophages, which trigger the phagocytosis of wasteosomes without inducing inflammatory responses, thus avoiding tissue damage. However, altered wasteosomes like those obtained from post-mortem extracted CSF, which may exhibit waste elements, become opsonized by MBL and C3b, and so CD35 receptors constitute another possible mechanism of phagocytosis, leading in this case to inflammatory responses. Supplementary Information The online version contains supplementary material available at 10.1186/s13578-022-00915-2.
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Affiliation(s)
- Marta Riba
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain ,grid.418264.d0000 0004 1762 4012Centros de Biomedicina en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Joan Campo-Sabariz
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Recerca en Nutrició i Seguretat Alimentàries (INSA-UB), Universitat de Barcelona, Barcelona, Spain
| | - Iraida Tena
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain
| | - Laura Molina-Porcel
- grid.410458.c0000 0000 9635 9413Alzheimer’s Disease and Other Cognitive Disorders Unit, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Neurology Service, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain ,grid.10403.360000000091771775Neurological Tissue Bank of the Biobanc-Hospital Clinic-IDIBAPS, Barcelona, Spain
| | - Teresa Ximelis
- grid.410458.c0000 0000 9635 9413Alzheimer’s Disease and Other Cognitive Disorders Unit, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Neurology Service, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain ,grid.10403.360000000091771775Neurological Tissue Bank of the Biobanc-Hospital Clinic-IDIBAPS, Barcelona, Spain
| | - Maria Calvo
- grid.5841.80000 0004 1937 0247Unitat de Microscòpia Òptica Avançada - Campus Clínic, Facultat de Medicina, Centres Científics i Tecnològics - Universitat de Barcelona, Barcelona, Spain
| | - Ruth Ferrer
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Recerca en Nutrició i Seguretat Alimentàries (INSA-UB), Universitat de Barcelona, Barcelona, Spain
| | - Raquel Martín-Venegas
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Recerca en Nutrició i Seguretat Alimentàries (INSA-UB), Universitat de Barcelona, Barcelona, Spain
| | - Jaume del Valle
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain ,grid.418264.d0000 0004 1762 4012Centros de Biomedicina en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Jordi Vilaplana
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain ,grid.418264.d0000 0004 1762 4012Centros de Biomedicina en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Carme Pelegrí
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain ,grid.418264.d0000 0004 1762 4012Centros de Biomedicina en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
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71
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Jiang Y, Zhang S, Tang L, Li R, Zhai J, Luo S, Peng Y, Chen X, Wei L. Single-cell RNA sequencing reveals TCR + macrophages in HPV-related head and neck squamous cell carcinoma. Front Immunol 2022; 13:1030222. [PMID: 36389736 PMCID: PMC9647120 DOI: 10.3389/fimmu.2022.1030222] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 10/11/2022] [Indexed: 07/20/2023] Open
Abstract
The prognosis of human papillomavirus (HPV)-infected head and neck squamous cell carcinoma (HNSCC) is often better than that of HPV- cancer, which is possibly caused by the differences in their immune microenvironments. The contribution of macrophage, as a principal innate immune cell, to this phenomenon is still unclear. In this study, a single-cell atlas of 4,388 high-quality macrophages from 18 HPV- and 8 HPV+ HNSCC patients was constructed with single-cell RNA sequencing data. Eight macrophage subsets were identified from HNSCC, whereas their functional properties and developmental trajectory were delineated based on HPV status. Our results demonstrated that macrophages in HPV+ HNSCC exhibit stronger phagocytic ability, although the infiltration rate of macrophages decreased. From the results, a unique macrophage subset with TCR and CD3-specific signatures was identified from HPV-related HNSCC. These TCR+ macrophages potentially participate in the regulation of the TCR signaling pathway and phagocytosis. In conclusion, our results suggested that HPV could affect the infiltration rate, function, and differentiation of macrophages in HNSCC, whereas TCR+ macrophages play a critical role in the HNSCC microenvironment. These results provide new insights into the immune microenvironment of HNSCC and offer a valuable resource for the understanding of the immune landscape of HPV-related HNSCC, which will in turn help the development of immunotherapy strategies for the disease.
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Affiliation(s)
- Yourong Jiang
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Siwei Zhang
- Department of Microbiology, Harbin Medical University, Harbin, Heilongjiang, China
- Wu Lien-Teh Institute, Harbin Medical University, Harbin, Heilongjiang, China
| | - Lu Tang
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Rui Li
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Jinglei Zhai
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Suisui Luo
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Yiman Peng
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Xiaohang Chen
- Institute for Hepatology, The Third People’s Hospital of Shenzhen, Shenzhen, Guangdong, China
| | - Lanlan Wei
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, Heilongjiang, China
- Department of Microbiology, Harbin Medical University, Harbin, Heilongjiang, China
- Wu Lien-Teh Institute, Harbin Medical University, Harbin, Heilongjiang, China
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China
- The Genetics Laboratory, Longgang District Maternity & Child Healthcare Hospital of Shenzhen City, Shenzhen, Guangdong, China
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72
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Bedeir MM, Ninoyu Y, Nakamura T, Tsujikawa T, Hirano S. Multiplex immunohistochemistry reveals cochlear macrophage heterogeneity and local auditory nerve inflammation in cisplatin-induced hearing loss. Front Neurol 2022; 13:1015014. [PMID: 36341090 PMCID: PMC9633043 DOI: 10.3389/fneur.2022.1015014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 09/26/2022] [Indexed: 08/11/2023] Open
Abstract
Inner ear macrophages play a vital role in cochlear homeostasis. Recent studies have demonstrated the existence of macrophages at different sites of the cochlea, with increased cochlear infiltration as an inflammatory response mechanism to injury. However, current methods, such as conventional immunohistochemistry and flow cytometry, provide limited information about the diversity of cochlear macrophages. Recently, multiplex immunohistochemistry (mIHC) successfully identified the heterogeneity of immune cells in cancer tissue and thereby improved our understanding of the disease prognosis. In this study, we modified the mIHC technique for cochlear tissue and utilized it to investigate cochlear macrophage behavior and heterogeneity before and after exposure to ototoxic drugs such as cisplatin. Four-week-old C57BL/6N female mice were intraperitoneally injected with cisplatin at 5 mg/kg/day consecutively for 6 days. Their hearing levels were assessed before and after the injection. Their cochleae were harvested before (day 0) and on days 8 and 15 after the cisplatin injection. Paraffin-embedded sections were sequentially immunostained using macrophage surface markers to identify the different categories of macrophages. Each immunostaining cycle included incubation with primary antibody, incubation with secondary antibody, chromogenic staining, and image scanning. Thereafter, all antibodies were stripped out, and antigen retrieval was performed to prepare the tissue for the next cycle. The results revealed that activated cochlear macrophages were not entirely differentiated into M1 or M2 categories but into multi-marker M1/M2 mixed macrophages. Furthermore, the ratio of these mixed (M1/M2) macrophages to Iba1+ macrophages increased in the auditory nerve after cisplatin exposure, suggesting local auditory nerve inflammation. The increase in the population of activated macrophages in the auditory nerve region was concomitant with the temporary shift of hearing threshold on day 8 post-cisplatin injection. The findings of this study indicate the effectiveness of mIHC in identifying cochlear macrophage heterogeneity both in the resting state and after cisplatin exposure. Therefore, mIHC could be a powerful tool in cochlear immunology research. Our findings may provide new insights into the co-relation between the cochlear macrophage and cisplatin exposure.
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73
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Kim HJ, Park JH, Kim HC, Kim CW, Kang I, Lee HK. Blood monocyte-derived CD169 + macrophages contribute to antitumor immunity against glioblastoma. Nat Commun 2022; 13:6211. [PMID: 36266311 PMCID: PMC9585054 DOI: 10.1038/s41467-022-34001-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 10/11/2022] [Indexed: 12/24/2022] Open
Abstract
Infiltrating tumor-associated macrophages (TAM) are known to impede immunotherapy against glioblastoma (GBM), however, TAMs are heterogeneous, and there are no clear markers to distinguish immunosuppressive and potentially immune-activating populations. Here we identify a subset of CD169+ macrophages promoting an anti-tumoral microenvironment in GBM. Using single-cell transcriptome analysis, we find that CD169+ macrophages in human and mouse gliomas produce pro-inflammatory chemokines, leading to the accumulation of T cells and NK cells. CD169 expression on macrophages facilitates phagocytosis of apoptotic glioma cells and hence tumor-specific T cell responses. Depletion of CD169+ macrophages leads to functionally impaired antitumor lymphocytes and poorer survival of glioma-bearing mice. We show that NK-cell-derived IFN-γ is critical for the accumulation of blood monocyte-derived CD169+ macrophages in gliomas. Our work thus identifies a well-distinguished TAM subset promoting antitumor immunity against GBM, and identifies key factors that might shift the balance from immunosuppressive to anti-tumor TAM.
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Affiliation(s)
- Hyun-Jin Kim
- grid.37172.300000 0001 2292 0500Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Republic of Korea
| | - Jang Hyun Park
- grid.37172.300000 0001 2292 0500Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Republic of Korea
| | - Hyeon Cheol Kim
- grid.37172.300000 0001 2292 0500Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Republic of Korea
| | - Chae Won Kim
- grid.37172.300000 0001 2292 0500Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Republic of Korea
| | - In Kang
- grid.37172.300000 0001 2292 0500Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Republic of Korea
| | - Heung Kyu Lee
- grid.37172.300000 0001 2292 0500Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Republic of Korea
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Lovatt D, Tamburino A, Krasowska-Zoladek A, Sanoja R, Li L, Peterson V, Wang X, Uslaner J. scRNA-seq generates a molecular map of emerging cell subtypes after sciatic nerve injury in rats. Commun Biol 2022; 5:1105. [PMID: 36261573 PMCID: PMC9581950 DOI: 10.1038/s42003-022-03970-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 09/09/2022] [Indexed: 01/10/2023] Open
Abstract
Patients with peripheral nerve injury, viral infection or metabolic disorder often suffer neuropathic pain due to inadequate pharmacological options for relief. Developing novel therapies has been challenged by incomplete mechanistic understanding of the cellular microenvironment in sensory nerve that trigger the emergence and persistence of pain. In this study, we report a high resolution transcriptomics map of the cellular heterogeneity of naïve and injured rat sensory nerve covering more than 110,000 individual cells. Annotation reveals distinguishing molecular features of multiple major cell types totaling 45 different subtypes in naïve nerve and an additional 23 subtypes emerging after injury. Ligand-receptor analysis revealed a myriad of potential targets for pharmacological intervention. This work forms a comprehensive resource and unprecedented window into the cellular milieu underlying neuropathic pain and demonstrates that nerve injury is a dynamic process orchestrated by multiple cell types in both the endoneurial and epineurial nerve compartments.
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Affiliation(s)
- Ditte Lovatt
- Department of Neuroscience, Merck & Co., Inc, West Point, PA, USA.
| | - Alex Tamburino
- Department of Data and Genome Sciences, Merck & Co., Inc, West Point, PA, USA
| | | | - Raul Sanoja
- Department of Neuroscience, Merck & Co., Inc, West Point, PA, USA.,Biomarkers & Imaging, Vertex Pharmaceuticals, Boston, USA
| | - Lixia Li
- Department of Genome and Biomarker Science, Merck & Co., Inc, Boston, MA, USA
| | - Vanessa Peterson
- Department of Genome and Biomarker Science, Merck & Co., Inc, Boston, MA, USA
| | - Xiaohai Wang
- Department of Neuroscience, Merck & Co., Inc, West Point, PA, USA
| | - Jason Uslaner
- Department of Neuroscience, Merck & Co., Inc, West Point, PA, USA
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75
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Pęczek P, Gajda M, Rutkowski K, Fudalej M, Deptała A, Badowska-Kozakiewicz AM. Cancer-associated inflammation: pathophysiology and clinical significance. J Cancer Res Clin Oncol 2022; 149:2657-2672. [PMID: 36260158 PMCID: PMC9579684 DOI: 10.1007/s00432-022-04399-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 10/05/2022] [Indexed: 11/28/2022]
Abstract
Purpose Cancer cells, despite stemming from the own cells of their host, usually elicit an immune response. This response usually enables elimination of cancer at its earliest stages. However, some tumors develop mechanisms of escaping immune destruction and even profiting from tumor-derived inflammation. Methods We summarized the roles of different immune cell populations in various processes associated with cancer progression and possible methods of reshaping tumor-associated inflammation to increase the efficacy of cancer therapy. Results Changes in various signaling pathways result in attraction of immunosuppressive, pro-tumorigenic cells, such as myeloid-derived suppressor cells, tumor-associated macrophages, and neutrophils, while at the same time suppressing the activity of lymphocytes, which have the potential of destroying cancer cells. These changes promote tumor progression by increasing angiogenesis and growth, accelerating metastasis, and impairing drug delivery to the tumor site. Conclusion Due to its multi-faceted role in cancer, tumor-associated inflammation can serve as a valuable therapy target. By increasing it, whether through decreasing overall immunosuppression with immune checkpoint inhibitor therapy or through more specific methods, such as cancer vaccines, oncolytic viruses, or chimeric antigen receptor T cells, cancer-derived immunosuppression can be overcome, resulting in immune system destroying cancer cells. Even changes occurring in the microbiota can influence the shape of antitumor response, which could provide new attractive diagnostic or therapeutic methods. Interestingly, also decreasing the distorted tumor-associated inflammation with non-steroidal anti-inflammatory drugs can lead to positive outcomes.
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Affiliation(s)
- Piotr Pęczek
- Department of Cancer Prevention, Students' Scientific Organization of Cancer Cell Biology, Medical University of Warsaw, Warsaw, Poland
| | - Monika Gajda
- Department of Cancer Prevention, Students' Scientific Organization of Cancer Cell Biology, Medical University of Warsaw, Warsaw, Poland
| | - Kacper Rutkowski
- Department of Cancer Prevention, Students' Scientific Organization of Cancer Cell Biology, Medical University of Warsaw, Warsaw, Poland
| | - Marta Fudalej
- Department of Cancer Prevention, Medical University of Warsaw, Erazma Ciołka 27, Warsaw, Poland.,Department of Oncology and Haematology, Central Clinical Hospital of the Ministry of Interior and Administration, Warsaw, Poland
| | - Andrzej Deptała
- Department of Cancer Prevention, Medical University of Warsaw, Erazma Ciołka 27, Warsaw, Poland.,Department of Oncology and Haematology, Central Clinical Hospital of the Ministry of Interior and Administration, Warsaw, Poland
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76
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Sun Z, Li G, Shang D, Zhang J, Ai L, Liu M. Identification of microsatellite instability and immune-related prognostic biomarkers in colon adenocarcinoma. Front Immunol 2022; 13:988303. [PMID: 36275690 PMCID: PMC9585257 DOI: 10.3389/fimmu.2022.988303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundColon adenocarcinoma (COAD) is a prevalent malignancy that causes significant mortality. Microsatellite instability plays a pivotal function in COAD development and immunotherapy resistance. However, the detailed underlying mechanism requires further investigation. Consequently, identifying molecular biomarkers with prognostic significance and revealing the role of MSI in COAD is important for addressing key obstacles in the available treatments.MethodsCIBERSORT and ESTIMATE analyses were performed to evaluate immune infiltration in COAD samples, followed by correlation analysis for MSI and immune infiltration. Then, differentially expressed genes (DEGs) in MSI and microsatellite stability (MSS) samples were identified and subjected to weighted gene co-expression network analysis (WGCNA). A prognostic model was established with univariate cox regression and LASSO analyses, then evaluated with Kaplan-Meier analysis. The correlation between the prognostic model and immune checkpoint inhibitor (ICI) response was also analyzed.ResultsIn total, 701 significant DEGs related to MSI status were identified, and WGCNA revealed two modules associated with the immune score. Then, a seven-gene prognostic model was constructed using LASSO and univariate cox regression analyses to predict survival and ICI response. The high-risk score patients in TCGA and GEO cohorts presented a poor prognosis, as well as a high immune checkpoint expression, so they are more likely to benefit from ICI treatment.ConclusionThe seven-gene prognostic model constructed could predict the survival of COAD and ICI response and serve as a reference for immunotherapy decisions.
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Affiliation(s)
- Ziquan Sun
- Colorectal Cancer Surgery Department, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Guodong Li
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Desi Shang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Jinning Zhang
- Colorectal Cancer Surgery Department, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lianjie Ai
- Colorectal Cancer Surgery Department, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ming Liu
- Colorectal Cancer Surgery Department, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- *Correspondence: Ming Liu,
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Wakao S, Oguma Y, Kushida Y, Kuroda Y, Tatsumi K, Dezawa M. Phagocytosing differentiated cell-fragments is a novel mechanism for controlling somatic stem cell differentiation within a short time frame. Cell Mol Life Sci 2022; 79:542. [PMID: 36203068 PMCID: PMC9537123 DOI: 10.1007/s00018-022-04555-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 09/09/2022] [Accepted: 09/10/2022] [Indexed: 11/29/2022]
Abstract
Stem cells undergo cytokine-driven differentiation, but this process often takes longer than several weeks to complete. A novel mechanism for somatic stem cell differentiation via phagocytosing ‘model cells’ (apoptotic differentiated cells) was found to require only a short time frame. Pluripotent-like Muse cells, multipotent mesenchymal stem cells (MSCs), and neural stem cells (NSCs) phagocytosed apoptotic differentiated cells via different phagocytic receptor subsets than macrophages. The phagocytosed-differentiated cell-derived contents (e.g., transcription factors) were quickly released into the cytoplasm, translocated into the nucleus, and bound to promoter regions of the stem cell genomes. Within 24 ~ 36 h, the cells expressed lineage-specific markers corresponding to the phagocytosed-differentiated cells, both in vitro and in vivo. At 1 week, the gene expression profiles were similar to those of the authentic differentiated cells and expressed functional markers. Differentiation was limited to the inherent potential of each cell line: triploblastic-, adipogenic-/chondrogenic-, and neural-lineages in Muse cells, MSCs, and NSCs, respectively. Disruption of phagocytosis, either by phagocytic receptor inhibition via small interfering RNA or annexin V treatment, impeded differentiation in vitro and in vivo. Together, our findings uncovered a simple mechanism by which differentiation-directing factors are directly transferred to somatic stem cells by phagocytosing apoptotic differentiated cells to trigger their rapid differentiation into the target cell lineage.
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Affiliation(s)
- Shohei Wakao
- Department of Stem Cell Biology and Histology, Tohoku University Graduate School of Medicine, 2-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8575, Japan.
| | - Yo Oguma
- Department of Stem Cell Biology and Histology, Tohoku University Graduate School of Medicine, 2-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8575, Japan
| | - Yoshihiro Kushida
- Department of Stem Cell Biology and Histology, Tohoku University Graduate School of Medicine, 2-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8575, Japan
| | - Yasumasa Kuroda
- Department of Stem Cell Biology and Histology, Tohoku University Graduate School of Medicine, 2-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8575, Japan
| | - Kazuki Tatsumi
- Department of Stem Cell Biology and Histology, Tohoku University Graduate School of Medicine, 2-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8575, Japan.,Regenerative Medicine Division, Analytical Research Department, Technology Development Unit, Life Science Institute, Inc., Tokyo, Japan
| | - Mari Dezawa
- Department of Stem Cell Biology and Histology, Tohoku University Graduate School of Medicine, 2-1, Seiryo-Machi, Aoba-Ku, Sendai, 980-8575, Japan.
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Lin D, Xu W, Hong P, Wu C, Zhang Z, Zhang S, Xing L, Yang B, Zhou W, Xiao Q, Wang J, Wang C, He Y, Chen X, Cao X, Man J, Reheman A, Wu X, Hao X, Hu Z, Chen C, Cao Z, Yin R, Fu ZF, Zhou R, Teng Z, Li G, Cao G. Decoding the spatial chromatin organization and dynamic epigenetic landscapes of macrophage cells during differentiation and immune activation. Nat Commun 2022; 13:5857. [PMID: 36195603 PMCID: PMC9532393 DOI: 10.1038/s41467-022-33558-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 09/22/2022] [Indexed: 11/09/2022] Open
Abstract
Immunocytes dynamically reprogram their gene expression profiles during differentiation and immunoresponse. However, the underlying mechanism remains elusive. Here, we develop a single-cell Hi-C method and systematically delineate the 3D genome and dynamic epigenetic atlas of macrophages during these processes. We propose "degree of disorder" to measure genome organizational patterns inside topologically-associated domains, which is correlated with the chromatin epigenetic states, gene expression, and chromatin structure variability in individual cells. Furthermore, we identify that NF-κB initiates systematic chromatin conformation reorganization upon Mycobacterium tuberculosis infection. The integrated Hi-C, eQTL, and GWAS analysis depicts the atlas of the long-range target genes of mycobacterial disease susceptible loci. Among these, the SNP rs1873613 is located in the anchor of a dynamic chromatin loop with LRRK2, whose inhibitor AdoCbl could be an anti-tuberculosis drug candidate. Our study provides comprehensive resources for the 3D genome structure of immunocytes and sheds insights into the order of genome organization and the coordinated gene transcription during immunoresponse.
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Affiliation(s)
- Da Lin
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,College of Bio-Medicine and Health, Huazhong Agricultural University, Wuhan, China
| | - Weize Xu
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Ping Hong
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China.,Agricultural Bioinformatics Key Laboratory of Hubei Province, Hubei Engineering Technology Research Center of Agricultural Big Data, 3D Genomics Research Center, Huazhong Agricultural University, Wuhan, China.,College of Informatics, Huazhong Agricultural University, Wuhan, China
| | - Chengchao Wu
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Zhihui Zhang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Siheng Zhang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Lingyu Xing
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Bing Yang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Wei Zhou
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Qin Xiao
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Bio-Medicine and Health, Huazhong Agricultural University, Wuhan, China
| | - Jinyue Wang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Bio-Medicine and Health, Huazhong Agricultural University, Wuhan, China
| | - Cong Wang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Yu He
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Xi Chen
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Xiaojian Cao
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Jiangwei Man
- College of Informatics, Huazhong Agricultural University, Wuhan, China
| | - Aikebaier Reheman
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,College of Animal Science and Technology, Tarim University, Alar, China
| | - Xiaofeng Wu
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Xingjie Hao
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhe Hu
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
| | - Chunli Chen
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China.,Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region, Guizhou University, Guiyang, China
| | - Zimeng Cao
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,College of Bio-Medicine and Health, Huazhong Agricultural University, Wuhan, China.,College of Animal Sciences, Yangtze River University, Jingzhou, China
| | - Rong Yin
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zhen F Fu
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Rong Zhou
- Dapartment of Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zhaowei Teng
- The First People's Hospital of Yunnan Province, Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
| | - Guoliang Li
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China. .,Agricultural Bioinformatics Key Laboratory of Hubei Province, Hubei Engineering Technology Research Center of Agricultural Big Data, 3D Genomics Research Center, Huazhong Agricultural University, Wuhan, China. .,College of Informatics, Huazhong Agricultural University, Wuhan, China.
| | - Gang Cao
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China. .,College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China. .,College of Bio-Medicine and Health, Huazhong Agricultural University, Wuhan, China.
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Chowdhury S, Trivedi AK. Origin, production and molecular determinants of macrophages for their therapeutic targeting. Cell Biol Int 2022; 47:15-29. [PMID: 36183367 DOI: 10.1002/cbin.11914] [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: 07/22/2022] [Revised: 09/04/2022] [Accepted: 09/16/2022] [Indexed: 11/09/2022]
Abstract
Macrophages, the most heterogeneous cells of the hematopoietic system and the giant eaters of the immune system that present either as tissue-resident cells or infiltrated immune cells, eliminate foreign pathogens and microbes and also play different physiological roles to maintain the body's immune response. In this review, we basically provide a broad overview of macrophages from their origin, functional diversity to M1-M2 polarization, specialized markers, and their role as important therapeutic targets in different diseases based on the current research and evidence. Apart from this, we have precisely discussed about tumor-associated macrophages (TAMs) and their role in tumor progression and newly discovered lesser-known markers of TAMs that could be used as potential therapeutic targets to treat life-threatening diseases. It is really very important to understand the diversity of macrophages to develop TAM-modulating strategies to activate our own immune system against diseases and to overcome immune resistance.
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Affiliation(s)
- Sangita Chowdhury
- LSS008 Division of Cancer Biology, CSIR-Central Drug Research Institute, Lucknow, India
| | - Arun K Trivedi
- LSS008 Division of Cancer Biology, CSIR-Central Drug Research Institute, Lucknow, India
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80
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Qin S, Wang Z, Huang C, Huang P, Li D. Serine protease PRSS23 drives gastric cancer by enhancing tumor associated macrophage infiltration via FGF2. Front Immunol 2022; 13:955841. [PMID: 36189305 PMCID: PMC9520605 DOI: 10.3389/fimmu.2022.955841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 08/16/2022] [Indexed: 11/13/2022] Open
Abstract
Serine proteases has been considered to be closely associated with the inflammatory response and tumor progression. As a novel serine protease, the biological function of PRSS23 is rarely studied in cancers. In this study, the prognostic significance of PRSS23 was analyzed in two-independent gastric cancer (GC) cohorts. PRSS23 overexpression was clinically correlated with poor prognosis and macrophage infiltration of GC patients. Loss-of-function study verified that PRSS23 plays oncogenic role in GC. RNA-seq, qRT-PCR, western blotting and ELISA assay confirmed that serine protease PRSS23 positively regulated FGF2 expression and secretion. Single-cell analysis and gene expression correlation analysis showed that PRSS23 and FGF2 were high expressed in fibroblasts, and highly co-expressed with the biomarkers of tumor associated macrophages (TAMs), cancer-associated fibroblasts (CAFs) and mesenchymal cells. Functional analysis confirmed PRSS23/FGF2 was required for TAM infiltration. Rescue assay further verified that PRSS23 promotes GC progression and TAM infiltration through FGF2. Survival analysis showed that high infiltration of M1-macrophage predicted favorable prognosis, while high infiltration level of M2-macrophage predicted poor prognosis in GC. Our finding highlights that PRSS23 promotes TAM infiltration through regulating FGF2 expression and secretion, thereby resulting in a poor prognosis.
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Affiliation(s)
- Shanshan Qin
- Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
- Laboratory of Tumor Biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, China
- *Correspondence: Shanshan Qin, ; Dandan Li,
| | - Zidi Wang
- Laboratory of Tumor Biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, China
| | - Congcong Huang
- Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
- Laboratory of Tumor Biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, China
| | - Pan Huang
- Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
- Laboratory of Tumor Biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, China
| | - Dandan Li
- Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
- Laboratory of Tumor Biology, Academy of Bio-Medicine Research, Hubei University of Medicine, Shiyan, China
- *Correspondence: Shanshan Qin, ; Dandan Li,
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81
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Qu X, Zhao X, Lin K, Wang N, Li X, Li S, Zhang L, Shi Y. M2-like tumor-associated macrophage-related biomarkers to construct a novel prognostic signature, reveal the immune landscape, and screen drugs in hepatocellular carcinoma. Front Immunol 2022; 13:994019. [PMID: 36177006 PMCID: PMC9513313 DOI: 10.3389/fimmu.2022.994019] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 08/25/2022] [Indexed: 12/23/2022] Open
Abstract
BackgroundM2-like tumor-associated macrophages (M2-like TAMs) have important roles in the progression and therapeutics of cancers. We aimed to detect novel M2-like TAM-related biomarkers in hepatocellular carcinoma (HCC) via integrative analysis of single-cell RNA-seq (scRNA-seq) and bulk RNA-seq data to construct a novel prognostic signature, reveal the “immune landscape”, and screen drugs in HCC.MethodsM2-like TAM-related genes were obtained by overlapping the marker genes of TAM identified from scRNA-seq data and M2 macrophage modular genes identified by weighted gene co-expression network analysis (WGCNA) using bulk RNA-seq data. Univariate Cox regression and least absolute shrinkage and selection operator (LASSO) regression analyses were carried out to screen prognostic genes from M2-like TAM-related genes, followed by a construction of a prognostic signature, delineation of risk groups, and external validation of the prognostic signature. Analyses of immune cells, immune function, immune evasion scores, and immune-checkpoint genes between high- and low-risk groups were done to further reveal the immune landscape of HCC patients. To screen potential HCC therapeutic agents, analyses of gene–drug correlation and sensitivity to anti-cancer drugs were conducted.ResultsA total of 127 M2-like TAM-related genes were identified by integrative analysis of scRNA-seq and bulk-seq data. PDLIM3, PAM, PDLIM7, FSCN1, DPYSL2, ARID5B, LGALS3, and KLF2 were screened as prognostic genes in HCC by univariate Cox regression and LASSO regression analyses. Then, a prognostic signature was constructed and validated based on those genes for predicting the survival of HCC patients. In terms of drug screening, expression of PAM and LGALS3 was correlated positively with sensitivity to simvastatin and ARRY-162, respectively. Based on risk grouping, we predicted 10 anticancer drugs with high sensitivity in the high-risk group, with epothilone B having the lowest half-maximal inhibitory concentration among all drugs tested.ConclusionsOur findings enhance understanding of the M2-like TAM-related molecular mechanisms involved in HCC, reveal the immune landscape of HCC, and provide potential targets for HCC treatment.
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82
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Jain N, Lord JM, Vogel V. Mechanoimmunology: Are inflammatory epigenetic states of macrophages tuned by biophysical factors? APL Bioeng 2022; 6:031502. [PMID: 36051106 PMCID: PMC9427154 DOI: 10.1063/5.0087699] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 07/26/2022] [Indexed: 11/17/2022] Open
Abstract
Many inflammatory diseases that are responsible for a majority of deaths are still uncurable, in part as the underpinning pathomechanisms and how to combat them is still poorly understood. Tissue-resident macrophages play pivotal roles in the maintenance of tissue homeostasis, but if they gradually convert to proinflammatory phenotypes, or if blood-born proinflammatory macrophages persist long-term after activation, they contribute to chronic inflammation and fibrosis. While biochemical factors and how they regulate the inflammatory transcriptional response of macrophages have been at the forefront of research to identify targets for therapeutic interventions, evidence is increasing that physical factors also tune the macrophage phenotype. Recently, several mechanisms have emerged as to how physical factors impact the mechanobiology of macrophages, from the nuclear translocation of transcription factors to epigenetic modifications, perhaps even DNA methylation. Insight into the mechanobiology of macrophages and associated epigenetic modifications will deliver novel therapeutic options going forward, particularly in the context of increased inflammation with advancing age and age-related diseases. We review here how biophysical factors can co-regulate pro-inflammatory gene expression and epigenetic modifications and identify knowledge gaps that require urgent attention if this therapeutic potential is to be realized.
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Affiliation(s)
| | | | - Viola Vogel
- Department of Health Sciences and Technology, Institute of Translational Medicine, ETH Zurich, Zurich, Switzerland
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83
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Zaher A, Stephens LM, Miller AM, Hartwig SM, Stolwijk JM, Petronek MS, Zacharias ZR, Wadas TJ, Monga V, Cullen JJ, Furqan M, Houtman JCD, Varga SM, Spitz DR, Allen BG. Pharmacological ascorbate as a novel therapeutic strategy to enhance cancer immunotherapy. Front Immunol 2022; 13:989000. [PMID: 36072595 PMCID: PMC9444023 DOI: 10.3389/fimmu.2022.989000] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/03/2022] [Indexed: 11/25/2022] Open
Abstract
Pharmacological ascorbate (i.e., intravenous infusions of vitamin C reaching ~ 20 mM in plasma) is under active investigation as an adjuvant to standard of care anti-cancer treatments due to its dual redox roles as an antioxidant in normal tissues and as a prooxidant in malignant tissues. Immune checkpoint inhibitors (ICIs) are highly promising therapies for many cancer patients but face several challenges including low response rates, primary or acquired resistance, and toxicity. Ascorbate modulates both innate and adaptive immune functions and plays a key role in maintaining the balance between pro and anti-inflammatory states. Furthermore, the success of pharmacological ascorbate as a radiosensitizer and a chemosensitizer in pre-clinical studies and early phase clinical trials suggests that it may also enhance the efficacy and expand the benefits of ICIs.
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Affiliation(s)
- Amira Zaher
- Cancer Biology Program, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, United States
| | - Laura M. Stephens
- Department of Microbiology and Immunology, The University of Iowa, Iowa City, IA, United States
| | - Ann M. Miller
- Department of Microbiology and Immunology, The University of Iowa, Iowa City, IA, United States
| | - Stacey M. Hartwig
- Department of Microbiology and Immunology, The University of Iowa, Iowa City, IA, United States
| | - Jeffrey M. Stolwijk
- Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, United States
| | - Michael S. Petronek
- Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, United States
| | - Zeb R. Zacharias
- Human Immunology Core & Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, United States
| | - Thaddeus J. Wadas
- Department of Radiology, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, United States
| | - Varun Monga
- Division of Hematology, Oncology, and Blood & Marrow Transplantation, Department of Internal Medicine, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, United States
| | - Joseph J. Cullen
- Department of Surgery, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, United States
| | - Muhammad Furqan
- Division of Hematology, Oncology, and Blood & Marrow Transplantation, Department of Internal Medicine, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, United States
| | - Jon C. D. Houtman
- Department of Microbiology and Immunology, The University of Iowa, Iowa City, IA, United States
| | - Steven M. Varga
- Department of Microbiology and Immunology, The University of Iowa, Iowa City, IA, United States
| | - Douglas R. Spitz
- Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, United States
| | - Bryan G. Allen
- Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA, United States
- *Correspondence: Bryan G. Allen,
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84
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Bai LK, Su YZ, Wang XX, Bai B, Zhang CQ, Zhang LY, Zhang GL. Synovial Macrophages: Past Life, Current Situation, and Application in Inflammatory Arthritis. Front Immunol 2022; 13:905356. [PMID: 35958604 PMCID: PMC9361854 DOI: 10.3389/fimmu.2022.905356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 06/21/2022] [Indexed: 11/18/2022] Open
Abstract
Inflammatory arthritis is an inflammatory disease that involves the joints and surrounding tissues. Synovial hyperplasia often presents when joints become inflamed due to immune cell infiltration. Synovial membrane is an important as well as a highly specific component of the joint, and its lesions can lead to degeneration of the joint surface, causing pain and joint disability or affecting the patients’ quality of life in severe cases. Synovial macrophages (SMs) are one of the cellular components of the synovial membrane, which not only retain the function of macrophages to engulf foreign bodies in the joint cavity, but also interact with synovial fibroblasts (SFs), T cells, B cells, and other inflammatory cells to promote the production of a variety of pro-inflammatory cytokines and chemokines, such as TNF-α, IL-1β, IL-8, and IL-6, which are involved in the pathogenic process of inflammatory arthritis. SMs from different tissue sources have differently differentiated potentials and functional expressions. This article provides a summary on studies pertaining to SMs in inflammatory arthritis, and explores their role in its treatment, in order to highlight novel treatment modalities for the disease.
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Affiliation(s)
- Lin-Kun Bai
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Ya-Zhen Su
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Xue-Xue Wang
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Bing Bai
- First Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, China
| | - Cheng-Qiang Zhang
- Fifth Hospital of Shanxi Medical University, Shanxi Provincial People’s Hospital, Taiyuan, Shanxi, China
| | - Li-Yun Zhang
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, Shanxi, China
| | - Gai-Lian Zhang
- Fifth Hospital of Shanxi Medical University, Shanxi Provincial People’s Hospital, Taiyuan, Shanxi, China
- *Correspondence: Gai-Lian Zhang,
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85
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Takenouchi T, Masujin K, Miyazaki A, Suzuki S, Takagi M, Kokuho T, Uenishi H. Isolation and immortalization of macrophages derived from fetal porcine small intestine and their susceptibility to porcine viral pathogen infections. Front Vet Sci 2022; 9:919077. [PMID: 35923820 PMCID: PMC9339801 DOI: 10.3389/fvets.2022.919077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
Macrophages are a heterogeneous population of cells that are present in all vertebrate tissues. They play a key role in the innate immune system, and thus, in vitro cultures of macrophages provide a valuable model for exploring their tissue-specific functions and interactions with pathogens. Porcine macrophage cultures are often used for the identification and characterization of porcine viral pathogens. Recently, we have developed a simple and efficient method for isolating primary macrophages from the kidneys and livers of swine. Here, we applied this protocol to fetal porcine intestinal tissues and demonstrated that porcine intestinal macrophages (PIM) can be isolated from mixed primary cultures of porcine small intestine-derived cells. Since the proliferative capacity of primary PIM is limited, we attempted to immortalize them by transferring the SV40 large T antigen and porcine telomerase reverse transcriptase genes using lentiviral vectors. Consequently, immortalized PIM (IPIM) were successfully generated and confirmed to retain various features of primary PIM. We further revealed that IPIM are susceptible to infection by the African swine fever virus and the porcine reproductive and respiratory syndrome virus and support their replication. These findings suggest that the IPIM cell line is a useful tool for developing in vitro models that mimic the intestinal mucosal microenvironments of swine, and for studying the interactions between porcine pathogens and host immune cells.
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Affiliation(s)
- Takato Takenouchi
- Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Japan
- *Correspondence: Takato Takenouchi
| | - Kentaro Masujin
- Division of Transboundary Animal Disease Research, National Institute of Animal Health, National Agriculture and Food Research Organization, Kodaira, Japan
- Kentaro Masujin
| | - Ayako Miyazaki
- Division of Infectious Animal Disease Research, National Institute of Animal Health, National Agriculture and Food Research Organization, Tsukuba, Japan
- Ayako Miyazaki
| | - Shunichi Suzuki
- Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Michihiro Takagi
- Division of Infectious Animal Disease Research, National Institute of Animal Health, National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Takehiro Kokuho
- Division of Transboundary Animal Disease Research, National Institute of Animal Health, National Agriculture and Food Research Organization, Kodaira, Japan
| | - Hirohide Uenishi
- Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Japan
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86
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Geng A, Flint E, Bernsmeier C. Plasticity of monocytes and macrophages in cirrhosis of the liver. FRONTIERS IN NETWORK PHYSIOLOGY 2022; 2:937739. [PMID: 36926073 PMCID: PMC10013015 DOI: 10.3389/fnetp.2022.937739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 06/27/2022] [Indexed: 06/06/2023]
Abstract
Cirrhosis of the liver is a systemic condition with raising prevalence worldwide. Patients with cirrhosis are highly susceptible to develop bacterial infections leading to acute decompensation and acute-on-chronic liver failure both associated with a high morbidity and mortality and sparse therapeutic options other than transplantation. Mononuclear phagocytes play a central role in innate immune responses and represent a first line of defence against pathogens. Their function includes phagocytosis, killing of bacteria, antigen presentation, cytokine production as well as recruitment and activation of immune effector cells. Liver injury and development of cirrhosis induces activation of liver resident Kupffer cells and recruitment of monocytes to the liver. Damage- and pathogen-associated molecular patterns promote systemic inflammation which involves multiple compartments besides the liver, such as the circulation, gut, peritoneal cavity and others. The function of circulating monocytes and tissue macrophages is severely impaired and worsens along with cirrhosis progression. The underlying mechanisms are complex and incompletely understood. Recent 'omics' technologies help to transform our understanding of cellular diversity and function in health and disease. In this review we point out the current state of knowledge on phenotypical and functional changes of monocytes and macrophages during cirrhosis evolution in different compartments and their role in disease progression. We also discuss the value of potential prognostic markers for cirrhosis-associated immuneparesis, and future immunotherapeutic strategies that may reduce the need for transplantation and death.
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Affiliation(s)
- Anne Geng
- Translational Hepatology, Department of Biomedicine, University of Basel, Basel, Switzerland
- Department of Biomedicine, University of Basel and University Centre for Gastrointestinal and Liver Diseases, Basel, Switzerland
| | - Emilio Flint
- Translational Hepatology, Department of Biomedicine, University of Basel, Basel, Switzerland
- Department of Biomedicine, University of Basel and University Centre for Gastrointestinal and Liver Diseases, Basel, Switzerland
| | - Christine Bernsmeier
- Translational Hepatology, Department of Biomedicine, University of Basel, Basel, Switzerland
- Department of Biomedicine, University of Basel and University Centre for Gastrointestinal and Liver Diseases, Basel, Switzerland
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87
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Chen H, Liu N, Zhuang S. Macrophages in Renal Injury, Repair, Fibrosis Following Acute Kidney Injury and Targeted Therapy. Front Immunol 2022; 13:934299. [PMID: 35911736 PMCID: PMC9326079 DOI: 10.3389/fimmu.2022.934299] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Acute kidney injury (AKI) is a renal disease with a high incidence and mortality. Currently, there are no targeted therapeutics for preventing and treating AKI. Macrophages, important players in mammalian immune response, are involved in the multiple pathological processes of AKI. They are dynamically activated and exhibit a diverse spectrum of functional phenotypes in the kidney after AKI. Targeting the mechanisms of macrophage activation significantly improves the outcomes of AKI in preclinical studies. In this review, we summarize the role of macrophages and the underlying mechanisms of macrophage activation during kidney injury, repair, regeneration, and fibrosis and provide strategies for macrophage-targeted therapies.
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Affiliation(s)
- Hui Chen
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Na Liu
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Shougang Zhuang
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
- Department of Medicine, Rhode Island Hospital and Alpert Medical School, Brown University, Providence, RI, United States
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88
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Hosseini S, Moody SC, Fietz D, Indumathy S, Schuppe HC, Hedger MP, Loveland KL. The changing landscape of immune cells in the fetal mouse testis. Histochem Cell Biol 2022; 158:345-368. [PMID: 35829816 PMCID: PMC9512757 DOI: 10.1007/s00418-022-02129-6] [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] [Accepted: 06/13/2022] [Indexed: 11/30/2022]
Abstract
Fetal testis growth involves cell influx and extensive remodeling. Immediately after sex determination in mouse, macrophages enable normal cord formation and removal of inappropriately positioned cells. This study provides new information about macrophages and other immune cells after cord formation in fetal testes, including their density, distribution, and close cellular contacts. C57BL6J mouse testes from embryonic day (E) 13.5 to birth (post-natal day 0; PND0), were examined using immunofluorescence, immunohistochemistry, and RT-qPCR to identify macrophages (F4/80, CD206, MHCII), T cells (CD3), granulocytes/neutrophils (Ly6G), and germ cells (DDX4). F4/80+ cells were the most abundant, comprising 90% of CD45+ cells at E13.5 and declining to 65% at PND0. Changes in size, shape, and markers (CD206 and MHCII) documented during this interval align with the understanding that F4/80+ cells have different origins during embryonic life. CD3+ cells and F4/80−/MHCII+ were absent to rare until PND0. Ly6G+ cells were scarce at E13.5 but increased robustly by PND0 to represent half of the CD45+ cells. These immunofluorescence data were in accord with transcript analysis, which showed that immune marker mRNAs increased with testis age. F4/80+ and Ly6G+ cells were frequently inside cords adjacent to germ cells at E13.5 and E15.5. F4/80+ cells were often in clusters next to other immune cells. Macrophages inside cords at E13.5 and E15.5 (F4/80Hi/CD206+) were different from macrophages at PND0 (F4/80Dim/CD206−), indicating that they have distinct origins. This histological quantification coupled with transcript information identifies new cellular interactions for immune cells in fetal testis morphogenesis, and highlights new avenues for studies of their functional significance.
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Affiliation(s)
- Samira Hosseini
- Centre for Reproductive Health, Hudson Institute of Medical Research, 27-31 Wright St, Clayton, VIC, 3168, Australia.,Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, Australia
| | - Sarah C Moody
- Centre for Reproductive Health, Hudson Institute of Medical Research, 27-31 Wright St, Clayton, VIC, 3168, Australia.,Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, Australia
| | - Daniela Fietz
- Institute of Veterinary Anatomy, Histology and Embryology, Justus Liebig University Giessen, Giessen, Germany
| | - Sivanjah Indumathy
- Centre for Reproductive Health, Hudson Institute of Medical Research, 27-31 Wright St, Clayton, VIC, 3168, Australia.,Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, Australia
| | - Hans-Christian Schuppe
- Department of Urology, Pediatric Urology and Andrology, Justus Liebig University Giessen, Giessen, Germany
| | - Mark P Hedger
- Centre for Reproductive Health, Hudson Institute of Medical Research, 27-31 Wright St, Clayton, VIC, 3168, Australia.,Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, Australia.,Department of Anatomy and Developmental Biology, School of Biomedical Sciences, Monash University, Clayton, VIC, Australia
| | - Kate L Loveland
- Centre for Reproductive Health, Hudson Institute of Medical Research, 27-31 Wright St, Clayton, VIC, 3168, Australia. .,Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, Australia. .,Department of Anatomy and Developmental Biology, School of Biomedical Sciences, Monash University, Clayton, VIC, Australia.
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89
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Wang S, Liu G, Li Y, Pan Y. Metabolic Reprogramming Induces Macrophage Polarization in the Tumor Microenvironment. Front Immunol 2022; 13:840029. [PMID: 35874739 PMCID: PMC9302576 DOI: 10.3389/fimmu.2022.840029] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 06/09/2022] [Indexed: 12/18/2022] Open
Abstract
Macrophages are one of the most important cells in the innate immune system, they are converted into two distinct subtypes with completely different molecular phenotypes and functional features under different stimuli of the microenvironment: M1 macrophages induced by IFN-γ/lipopolysaccharides(LPS) and M2 macrophages induced by IL-4/IL-10/IL-13. Tumor-associated macrophages (TAMs) differentiate from macrophages through various factors in the tumor microenvironment (TME). TAMs have the phenotype and function of M2 macrophages and are capable of secreting multiple cytokines to promote tumor progression. Both tumor cells and macrophages can meet the energy needs for rapid cell growth and proliferation through metabolic reprogramming, so a comprehensive understanding of pro-tumor and antitumor metabolic switches in TAM is essential to understanding immune escape mechanisms. This paper focuses on the functions of relevant signaling pathways and cytokines during macrophage polarization and metabolic reprogramming, and briefly discusses the effects of different microenvironments and macrophage pathogenicity, in addition to describing the research progress of inhibitory drugs for certain metabolic and polarized signaling pathways.
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Affiliation(s)
- Shilin Wang
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Guohong Liu
- Department of Radiology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Yirong Li
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Yunbao Pan
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
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90
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Jo WS, Kang S, Jeong SK, Bae MJ, Lee CG, Son Y, Lee HJ, Jeong MH, Kim SH, Moon C, Shin IS, Kim JS. Low Dose Rate Radiation Regulates M2-like Macrophages in an Allergic Airway Inflammation Mouse Model. Dose Response 2022; 20:15593258221117349. [PMID: 36003321 PMCID: PMC9393681 DOI: 10.1177/15593258221117349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 07/15/2022] [Indexed: 11/25/2022] Open
Abstract
We investigated the effects of low dose rate radiation (LDR) on M1 and M2
macrophages in an ovalbumin-induced mouse model of allergic airway inflammation
and asthma. After exposure to LDR (1 Gy, 1.818 mGy/h) for 24 days, mice were
euthanized and the changes in the number of M1 and M2 macrophages in the
bronchoalveolar lavage fluid and lung, and M2-associated cytokine levels, were
assessed. LDR treatment not only restored the M2-rich microenvironment but also
ameliorated asthma-related progression in a macrophage-dependent manner. In an
ovalbumin-induced mouse model, LDR treatment significantly inhibited M2, but not
M1, macrophage infiltration. M2-specific changes in macrophage polarization
during chronic lung disease reversed the positive effects of LDR. Moreover, the
levels of cytokines, including chemokine (C-C motif) ligand (CCL) 24, CCL17,
transforming growth factor beta 1, and matrix metalloproteinase-9, decreased in
ovalbumin-sensitized/challenged mice upon exposure to LDR. Collectively, our
results indicate that LDR exposure suppressed asthmatic progression, including
mucin accumulation, inflammation, and Type 2 T helper (Th2) cytokine
(interleukin (IL)-4 and IL-13) production. In conclusion, LDR exposure decreased
Th2 cytokine secretion in M2 macrophages, resulting in a reduction in
eosinophilic inflammation in ovalbumin-sensitized/challenged mice.
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Affiliation(s)
- Wol Soon Jo
- Dongnam Institute of Radiological
& Medical Sciences, Busan, Republic of Korea
| | - Sohi Kang
- College of Veterinary Medicine and
BK21 Plus Project Team, Chonnam National
University, Gwangju, Republic of Korea
| | - Soo Kyung Jeong
- Dongnam Institute of Radiological
& Medical Sciences, Busan, Republic of Korea
| | - Min Ji Bae
- Dongnam Institute of Radiological
& Medical Sciences, Busan, Republic of Korea
| | - Chang Geun Lee
- Dongnam Institute of Radiological
& Medical Sciences, Busan, Republic of Korea
| | - Yeonghoon Son
- Korea Institute of Radiological &
Medical Sciences, Seoul, Republic of Korea
| | - Hae-June Lee
- Korea Institute of Radiological &
Medical Sciences, Seoul, Republic of Korea
| | - Min Ho Jeong
- Department of Microbiology, Dong-A University College of
Medicine, Busan, Republic of Korea
| | - Sung Ho Kim
- College of Veterinary Medicine and
BK21 Plus Project Team, Chonnam National
University, Gwangju, Republic of Korea
| | - Chongjong Moon
- College of Veterinary Medicine and
BK21 Plus Project Team, Chonnam National
University, Gwangju, Republic of Korea
| | - In Sik Shin
- College of Veterinary Medicine and
BK21 Plus Project Team, Chonnam National
University, Gwangju, Republic of Korea
- In Sik Shin, College of Veterinary Medicine
and BK21 Plus Project Team, Chonnam National University, Gwangju 61186, Republic
of Korea.
| | - Joong Sun Kim
- Dongnam Institute of Radiological
& Medical Sciences, Busan, Republic of Korea
- College of Veterinary Medicine and
BK21 Plus Project Team, Chonnam National
University, Gwangju, Republic of Korea
- Joong Sun Kim, College of Veterinary
Medicine and BK21 Plus Project Team, Chonnam National University, 77
Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea.
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91
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Radovani B, Gudelj I. N-Glycosylation and Inflammation; the Not-So-Sweet Relation. Front Immunol 2022; 13:893365. [PMID: 35833138 PMCID: PMC9272703 DOI: 10.3389/fimmu.2022.893365] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 05/30/2022] [Indexed: 12/28/2022] Open
Abstract
Chronic inflammation is the main feature of many long-term inflammatory diseases such as autoimmune diseases, metabolic disorders, and cancer. There is a growing number of studies in which alterations of N-glycosylation have been observed in many pathophysiological conditions, yet studies of the underlying mechanisms that precede N-glycome changes are still sparse. Proinflammatory cytokines have been shown to alter the substrate synthesis pathways as well as the expression of glycosyltransferases required for the biosynthesis of N-glycans. The resulting N-glycosylation changes can further contribute to disease pathogenesis through modulation of various aspects of immune cell processes, including those relevant to pathogen recognition and fine-tuning the inflammatory response. This review summarizes our current knowledge of inflammation-induced N-glycosylation changes, with a particular focus on specific subsets of immune cells of innate and adaptive immunity and how these changes affect their effector functions, cell interactions, and signal transduction.
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Affiliation(s)
- Barbara Radovani
- Department of Biotechnology, University of Rijeka, Rijeka, Croatia
| | - Ivan Gudelj
- Department of Biotechnology, University of Rijeka, Rijeka, Croatia
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
- *Correspondence: Ivan Gudelj,
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92
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Xia R, Tomsits P, Loy S, Zhang Z, Pauly V, Schüttler D, Clauss S. Cardiac Macrophages and Their Effects on Arrhythmogenesis. Front Physiol 2022; 13:900094. [PMID: 35812333 PMCID: PMC9257039 DOI: 10.3389/fphys.2022.900094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 05/30/2022] [Indexed: 12/24/2022] Open
Abstract
Cardiac electrophysiology is a complex system established by a plethora of inward and outward ion currents in cardiomyocytes generating and conducting electrical signals in the heart. However, not only cardiomyocytes but also other cell types can modulate the heart rhythm. Recently, cardiac macrophages were demonstrated as important players in both electrophysiology and arrhythmogenesis. Cardiac macrophages are a heterogeneous group of immune cells including resident macrophages derived from embryonic and fetal precursors and recruited macrophages derived from circulating monocytes from the bone marrow. Recent studies suggest antiarrhythmic as well as proarrhythmic effects of cardiac macrophages. The proposed mechanisms of how cardiac macrophages affect electrophysiology vary and include both direct and indirect interactions with other cardiac cells. In this review, we provide an overview of the different subsets of macrophages in the heart and their possible interactions with cardiomyocytes under both physiologic conditions and heart disease. Furthermore, we elucidate similarities and differences between human, murine and porcine cardiac macrophages, thus providing detailed information for researchers investigating cardiac macrophages in important animal species for electrophysiologic research. Finally, we discuss the pros and cons of mice and pigs to investigate the role of cardiac macrophages in arrhythmogenesis from a translational perspective.
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Affiliation(s)
- Ruibing Xia
- Department of Medicine I, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- Institute of Surgical Research at the Walter-Brendel-Centre of Experimental Medicine, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich, Munich Heart Alliance, Munich, Germany
| | - Philipp Tomsits
- Department of Medicine I, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- Institute of Surgical Research at the Walter-Brendel-Centre of Experimental Medicine, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich, Munich Heart Alliance, Munich, Germany
| | - Simone Loy
- Department of Medicine I, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- Institute of Surgical Research at the Walter-Brendel-Centre of Experimental Medicine, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich, Munich Heart Alliance, Munich, Germany
| | - Zhihao Zhang
- Department of Medicine I, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- Institute of Surgical Research at the Walter-Brendel-Centre of Experimental Medicine, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich, Munich Heart Alliance, Munich, Germany
| | - Valerie Pauly
- Department of Medicine I, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- Institute of Surgical Research at the Walter-Brendel-Centre of Experimental Medicine, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich, Munich Heart Alliance, Munich, Germany
| | - Dominik Schüttler
- Department of Medicine I, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- Institute of Surgical Research at the Walter-Brendel-Centre of Experimental Medicine, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich, Munich Heart Alliance, Munich, Germany
| | - Sebastian Clauss
- Department of Medicine I, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- Institute of Surgical Research at the Walter-Brendel-Centre of Experimental Medicine, University Hospital Munich, Ludwig-Maximilians-University Munich (LMU), Munich, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Munich, Munich Heart Alliance, Munich, Germany
- *Correspondence: Sebastian Clauss,
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93
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Song L, Zhang J, Ma D, Fan Y, Lai R, Tian W, Zhang Z, Ju J, Xu H. A Bibliometric and Knowledge-Map Analysis of Macrophage Polarization in Atherosclerosis From 2001 to 2021. Front Immunol 2022; 13:910444. [PMID: 35795675 PMCID: PMC9250973 DOI: 10.3389/fimmu.2022.910444] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 05/20/2022] [Indexed: 12/24/2022] Open
Abstract
In recent years, studies of macrophage polarization in atherosclerosis have become an intense area of research. However, there are few bibliometric analyses regarding this area. In this review, we used CiteSpace 5.8.R3 and VOSviewer 1.6.16 software to perform text mining and knowledge-map analysis. We explored the development process, knowledge structure, research hotspots, and potential trends using a bibliometric and knowledge-map analysis to provide researchers with a macroscopic view of this field. The studies concerning macrophage polarization in atherosclerosis were downloaded from the Web of Science Core Collection. A total of 781 studies were identified and published by 954 institutions from 51 countries/regions. The number of studies of macrophage polarization in atherosclerosis increased over time. Arteriosclerosis Thrombosis and Vascular Biology published the highest number of articles and was the top co-cited journal. De Winther was the most prolific researcher, and Moore had the most co-citations. The author co-occurrence map illustrated that there was active cooperation among researchers. The most productive countries were the United States and China. Amsterdam University, Harvard University, and Maastricht University were the top three productive institutions in the research field. Keyword Co-occurrence, Clusters, and Burst analysis showed that “inflammation,” “monocyte,” “NF kappa B,” “mechanism,” and “foam cell” appeared with the highest frequency in studies. “Oxidative stress,” “coronary heart disease,” and “prevention” were the strongest citation burst keywords from 2019 to 2021.
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Affiliation(s)
- Luxia Song
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jie Zhang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Dan Ma
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Graduate School, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yixuan Fan
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Runmin Lai
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Graduate School, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wende Tian
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Graduate School, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zihao Zhang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jianqing Ju
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Hao Xu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Hao Xu,
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94
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Potential Pro-Tumorigenic Effect of Bisphenol A in Breast Cancer via Altering the Tumor Microenvironment. Cancers (Basel) 2022; 14:cancers14123021. [PMID: 35740686 PMCID: PMC9221131 DOI: 10.3390/cancers14123021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/14/2022] [Accepted: 06/16/2022] [Indexed: 02/05/2023] Open
Abstract
Simple Summary Bisphenol A (BPA) is primarily used to produce polycarbonate plastics, such as water bottles. Exposure to BPA has been shown to increase the growth of breast cancer cells that depend on estrogen for growth due to its ability to mimic estrogen. More recent studies have suggested that BPA also affects the cellular and non-cellular components that compose tumor microenvironments (TMEs), namely the environment around a tumor, thereby potentially promoting breast cancer growth via altering the TME. The TME plays an essential role in cancer development and promotion. Therefore, it is crucial to understand the effect of BPA on breast TMEs to assess its role in the risk of breast cancer adequately. This review examines the potential effects of BPA on immune cells, fibroblasts, extracellular matrices, and adipocytes to highlight their roles in mediating the carcinogenic effect of BPA, and thereby proposes considerations for the risk assessment of BPA exposure. Abstract BPA, a chemical used in the preparation of polycarbonate plastics, is an endocrine disruptor. Exposure to BPA has been suggested to be a risk factor for breast cancer because of its potential to induce estrogen receptor signaling in breast cancer cells. More recently, it has been recognized that BPA also binds to the G protein-coupled estrogen receptor and other nuclear receptors, in addition to estrogen receptors, and acts on immune cells, adipocytes, and fibroblasts, potentially modulating the TME. The TME significantly impacts the behavior of cancer cells. Therefore, understanding how BPA affects stromal components in breast cancer is imperative to adequately assess the association between exposure to BPA and the risk of breast cancer. This review examines the effects of BPA on stromal components of tumors to highlight their potential role in the carcinogenic effect of BPA. As a result, I propose considerations for the risk assessment of BPA exposure and studies needed to improve understanding of the TME-mediated, breast cancer-promoting effect of BPA.
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95
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Larkin CJ, Arrieta VA, Najem H, Li G, Zhang P, Miska J, Chen P, James CD, Sonabend AM, Heimberger AB. Myeloid Cell Classification and Therapeutic Opportunities Within the Glioblastoma Tumor Microenvironment in the Single Cell-Omics Era. Front Immunol 2022; 13:907605. [PMID: 35784281 PMCID: PMC9244707 DOI: 10.3389/fimmu.2022.907605] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 05/18/2022] [Indexed: 11/13/2022] Open
Abstract
The glioma tumor microenvironment (TME) is complex and heterogeneous, and multiple emerging and current technologies are being utilized for an improved comprehension and understanding of these tumors. Single cell analysis techniques such as single cell genomic and transcriptomic sequencing analysis are on the rise and play an important role in elucidating the glioma TME. These large datasets will prove useful for patient tumor characterization, including immune configuration that will ultimately influence therapeutic choices and especially immune therapies. In this review we discuss the advantages and drawbacks of these techniques while debating their role in the domain of glioma-infiltrating myeloid cells characterization and function.
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Affiliation(s)
- Collin J. Larkin
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Víctor A. Arrieta
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Lou and Jean Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Programa de Estudios Combinados en Medicina (PECEM), Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Hinda Najem
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Lou and Jean Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Gongbo Li
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Lou and Jean Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Peng Zhang
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Lou and Jean Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Jason Miska
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Lou and Jean Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Peiwen Chen
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Lou and Jean Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Charles David James
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Lou and Jean Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Adam M. Sonabend
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Lou and Jean Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Amy B. Heimberger
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Lou and Jean Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- *Correspondence: Amy B. Heimberger,
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96
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Furgiuele S, Descamps G, Cascarano L, Boucq A, Dubois C, Journe F, Saussez S. Dealing with Macrophage Plasticity to Address Therapeutic Challenges in Head and Neck Cancers. Int J Mol Sci 2022; 23:ijms23126385. [PMID: 35742830 PMCID: PMC9224268 DOI: 10.3390/ijms23126385] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/04/2022] [Accepted: 06/06/2022] [Indexed: 11/16/2022] Open
Abstract
The head and neck tumor microenvironment (TME) is highly infiltrated with macrophages. More specifically, tumor-associated macrophages (TAM/M2-like) are one of the most critical components associated with poor overall survival in head and neck cancers (HNC). Two extreme states of macrophage phenotypes are described as conducting pro-inflammatory/anti-tumoral (M1) or anti-inflammatory/pro-tumoral (M2) activities. Moreover, specific metabolic pathways as well as oxidative stress responses are tightly associated with their phenotypes and functions. Hence, due to their plasticity, targeting M2 macrophages to repolarize in the M1 phenotype would be a promising cancer treatment. In this context, we evaluated macrophage infiltration in 60 HNC patients and demonstrated the high infiltration of CD68+ cells that were mainly related to CD163+ M2 macrophages. We then optimized a polarization protocol from THP1 monocytes, validated by specific gene and protein expression levels. In addition, specific actors of glutamine pathway and oxidative stress were quantified to indicate the use of glutaminolysis by M2 and the production of reactive oxygen species by M1. Finally, we evaluated and confirmed the plasticity of our model using M1 activators to repolarize M2 in M1. Overall, our study provides a complete reversible polarization protocol allowing us to further evaluate various reprogramming effectors targeting glutaminolysis and/or oxidative stress in macrophages.
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Affiliation(s)
- Sonia Furgiuele
- Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, Research Institute for Health Sciences and Technology, University of Mons (UMONS), Avenue du Champ de Mars, 8, 7000 Mons, Belgium; (S.F.); (G.D.); (L.C.); (A.B.); (F.J.)
| | - Géraldine Descamps
- Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, Research Institute for Health Sciences and Technology, University of Mons (UMONS), Avenue du Champ de Mars, 8, 7000 Mons, Belgium; (S.F.); (G.D.); (L.C.); (A.B.); (F.J.)
| | - Lorena Cascarano
- Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, Research Institute for Health Sciences and Technology, University of Mons (UMONS), Avenue du Champ de Mars, 8, 7000 Mons, Belgium; (S.F.); (G.D.); (L.C.); (A.B.); (F.J.)
| | - Ambre Boucq
- Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, Research Institute for Health Sciences and Technology, University of Mons (UMONS), Avenue du Champ de Mars, 8, 7000 Mons, Belgium; (S.F.); (G.D.); (L.C.); (A.B.); (F.J.)
| | - Christine Dubois
- Cytometry Core Facility, Université Libre de Bruxelles (ULB), 1050 Brussels, Belgium;
| | - Fabrice Journe
- Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, Research Institute for Health Sciences and Technology, University of Mons (UMONS), Avenue du Champ de Mars, 8, 7000 Mons, Belgium; (S.F.); (G.D.); (L.C.); (A.B.); (F.J.)
- Laboratory of Clinical and Experimental Oncology, Institut Jules Bordet, Université Libre de Bruxelles (ULB), 1070 Brussels, Belgium
| | - Sven Saussez
- Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, Research Institute for Health Sciences and Technology, University of Mons (UMONS), Avenue du Champ de Mars, 8, 7000 Mons, Belgium; (S.F.); (G.D.); (L.C.); (A.B.); (F.J.)
- Department of Otolaryngology and Head and Neck Surgery, CHU Saint-Pierre, 1000 Brussels, Belgium
- Correspondence: ; Tel.: +32-65-37-3584
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97
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Margraf A, Perretti M. Immune Cell Plasticity in Inflammation: Insights into Description and Regulation of Immune Cell Phenotypes. Cells 2022; 11:cells11111824. [PMID: 35681519 PMCID: PMC9180515 DOI: 10.3390/cells11111824] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 05/28/2022] [Accepted: 05/30/2022] [Indexed: 02/01/2023] Open
Abstract
Inflammation is a life-saving immune reaction occurring in response to invading pathogens. Nonetheless, inflammation can also occur in an uncontrolled, unrestricted manner, leading to chronic disease and organ damage. Mechanisms triggering an inflammatory response, hindering such a response, or leading to its resolution are well-studied but so far insufficiently elucidated with regard to precise therapeutic interventions. Notably, as an immune reaction evolves, requirements and environments for immune cells change, and thus cellular phenotypes adapt and shift, leading to the appearance of distinct cellular subpopulations with new functional features. In this article, we aim to highlight properties of, and overarching regulatory factors involved in, the occurrence of immune cell phenotypes with a special focus on neutrophils, macrophages and platelets. Additionally, we point out implications for both diagnostics and therapeutics in inflammation research.
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98
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Murine RAW Macrophages Are a Suitable Model to Study the CD3 Signaling in Myeloid Cells. Cells 2022; 11:cells11101635. [PMID: 35626672 PMCID: PMC9139304 DOI: 10.3390/cells11101635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/06/2022] [Accepted: 05/10/2022] [Indexed: 02/01/2023] Open
Abstract
In recent years, a growing body of evidence has shown the presence of a subpopulation of macrophages that express CD3, especially in the context of mycobacterial infections. Despite these findings, the function of these cells has been poorly understood. Furthermore, the low frequency of CD3+ macrophages in humans limits the study of this subpopulation. This work aimed to evaluate the expression of CD3 in a murine macrophage cell line and its potential for the study of CD3 signaling. The murine macrophage cell line RAW was used to evaluate CD3 expression at the transcriptional and protein levels and the effect of in vitro infection with the Mycobacterium bovis Bacillus Calmette-Guérin (BCG) on these. Our data showed that RAW macrophages express CD3, both the ε and ζ chains, and it is further increased at the transcriptional level after BCG infection. Furthermore, our data suggest that CD3 can be found on the cell surface and intracellularly. However, this molecule is internalized constantly, mainly after activation with anti-CD3 stimulus, but interestingly, it is stably maintained at the transcriptional level. Finally, signaling proteins such as NFAT1, c-Jun, and IKK-α are highly expressed in RAW macrophages. They may play a role in the CD3-controlled signaling pathway to deliver inflammatory cytokines such as TNF and IL-6. Our study provides evidence to support that RAW cells are a suitable model to study the function and signaling of the CD3 complex in myeloid cells.
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Sugimura R, Chao Y. Deciphering Innate Immune Cell-Tumor Microenvironment Crosstalk at a Single-Cell Level. Front Cell Dev Biol 2022; 10:803947. [PMID: 35646915 PMCID: PMC9140036 DOI: 10.3389/fcell.2022.803947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 04/12/2022] [Indexed: 11/23/2022] Open
Abstract
The tumor microenvironment encompasses various innate immune cells which regulate tumor progression. Exploiting innate immune cells is a new frontier of cancer immunotherapy. However, the classical surface markers for cell-type classification cannot always well-conclude the phenotype, which will further hinge our understanding. The innate immune cells include dendritic cells, monocytes/macrophages, natural killer cells, and innate lymphoid cells. They play important roles in tumor growth and survival, in some cases promoting cancer, in other cases negating cancer. The precise characterization of innate immune cells at the single-cell level will boost the potential of cancer immunotherapy. With the development of single-cell RNA sequencing technology, the transcriptome of each cell in the tumor microenvironment can be dissected at a single-cell level, which paves a way for a better understanding of the cell type and its functions. Here, we summarize the subtypes and functions of innate immune cells in the tumor microenvironment based on recent literature on single-cell technology. We provide updates on recent achievements and prospects for how to exploit novel functions of tumor-associated innate immune cells and target them for cancer immunotherapy.
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Ahmad F, Rani A, Alam A, Zarin S, Pandey S, Singh H, Hasnain SE, Ehtesham NZ. Macrophage: A Cell With Many Faces and Functions in Tuberculosis. Front Immunol 2022; 13:747799. [PMID: 35603185 PMCID: PMC9122124 DOI: 10.3389/fimmu.2022.747799] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 03/30/2022] [Indexed: 01/16/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb) is the causative agent of human tuberculosis (TB) which primarily infects the macrophages. Nearly a quarter of the world's population is infected latently by Mtb. Only around 5%-10% of those infected develop active TB disease, particularly during suppressed host immune conditions or comorbidity such as HIV, hinting toward the heterogeneity of Mtb infection. The aerosolized Mtb first reaches the lungs, and the resident alveolar macrophages (AMs) are among the first cells to encounter the Mtb infection. Evidence suggests that early clearance of Mtb infection is associated with robust innate immune responses in resident macrophages. In addition to lung-resident macrophage subsets, the recruited monocytes and monocyte-derived macrophages (MDMs) have been suggested to have a protective role during Mtb infection. Mtb, by virtue of its unique cell surface lipids and secreted protein effectors, can evade killing by the innate immune cells and preferentially establish a niche within the AMs. Continuous efforts to delineate the determinants of host defense mechanisms have brought to the center stage the crucial role of macrophage phenotypical variations for functional adaptations in TB. The morphological and functional heterogeneity and plasticity of the macrophages aid in confining the dissemination of Mtb. However, during a suppressed or hyperactivated immune state, the Mtb virulence factors can affect macrophage homeostasis which may skew to favor pathogen growth, causing active TB. This mini-review is aimed at summarizing the interplay of Mtb pathomechanisms in the macrophages and the implications of macrophage heterogeneity and plasticity during Mtb infection.
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Affiliation(s)
- Faraz Ahmad
- Laboratory of Infection Biology and Cell Signaling, Indian Council of Medical Research (ICMR)-National Institute of Pathology, New Delhi, India
| | - Anshu Rani
- Kusuma School of Biological Sciences, Indian Institute of Technology, Delhi (IIT-D), New Delhi, India
| | - Anwar Alam
- Laboratory of Infection Biology and Cell Signaling, Indian Council of Medical Research (ICMR)-National Institute of Pathology, New Delhi, India
| | - Sheeba Zarin
- Laboratory of Infection Biology and Cell Signaling, Indian Council of Medical Research (ICMR)-National Institute of Pathology, New Delhi, India
| | - Saurabh Pandey
- Department of Biochemistry, Jamia Hamdard, New Delhi, India
| | - Hina Singh
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology, Delhi (IIT-D), New Delhi, India
| | - Seyed Ehtesham Hasnain
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology, Delhi (IIT-D), New Delhi, India
- Department of Life Science, School of Basic Sciences and Research, Sharda University, Greater Noida, India
| | - Nasreen Zafar Ehtesham
- Laboratory of Infection Biology and Cell Signaling, Indian Council of Medical Research (ICMR)-National Institute of Pathology, New Delhi, India
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