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Wang Y, Zhang L, Xu J, Ma J. The Proteomic Landscape of Monocytes in Response to Colorectal Cancer Cells. J Proteome Res 2024; 23:4067-4081. [PMID: 39106312 PMCID: PMC11385372 DOI: 10.1021/acs.jproteome.4c00400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2024]
Abstract
Colorectal cancer (CRC) involves a complex interaction between tumor cells and immune cells, notably monocytes, leading to immunosuppression. This study explored these interactions using in vitro coculture systems of THP-1 cells and CRC cell lines, employing quantitative proteomics to analyze protein changes in monocytes. Multiple analytical methods were utilized to delineate the altered proteomic landscape, identify key proteins, and their associated functional pathways for comprehensive data analysis. Differentially expressed proteins (DEPs) were selected and validated by cross-referencing them with publicly available TCGA and GEO data sets to explore their potential clinical significance. Our analysis identified 161 up-regulated and 130 down-regulated DEPs. The enrichment results revealed impairments in adhesion and innate immune functions in monocytes, potentially facilitating cancer progression. The down-regulation of FN1, THSB1, and JUN may contribute to these impairments. Furthermore, the overexpression of ADAMTSL4, PRAM1, GPNMB, and NPC2 on monocytes was associated with unfavorable prognostic outcomes in CRC patients, suggesting potential biomarkers or therapeutic targets. This study illustrated the proteomic landscape of monocytes in response to CRC cells, providing clues for future investigations of the crosstalk between cancer cells and monocytes within the tumor microenvironment.
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Affiliation(s)
- Yiran Wang
- Peking University Fifth School of Clinical Medicine, Beijing 100730, China
- Center of Biotherapy, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Luyao Zhang
- Center of Biotherapy, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Jing Xu
- Center of Biotherapy, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Jie Ma
- Peking University Fifth School of Clinical Medicine, Beijing 100730, China
- Center of Biotherapy, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China
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2
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Zheng K, Wei Z, Li W. Ecological insights into hematopoiesis regulation: unraveling the influence of gut microbiota. Gut Microbes 2024; 16:2350784. [PMID: 38727219 PMCID: PMC11093038 DOI: 10.1080/19490976.2024.2350784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/29/2024] [Indexed: 05/16/2024] Open
Abstract
The gut microbiota constitutes a vast ecological system within the human body, forming a mutually interdependent entity with the host. In recent years, advancements in molecular biology technologies have provided a clearer understanding of the role of the gut microbiota. They not only influence the local immune status and metabolic functions of the host's intestinal tract but also impact the functional transformation of hematopoietic stem cells (HSCs) through the gut-blood axis. In this review, we will discuss the role of the gut microbiota in influencing hematopoiesis. We analyze the interactions between HSCs and other cellular components, with a particular emphasis on the direct functional regulation of HSCs by the gut microbiota and their indirect influence through cellular components in the bone marrow microenvironment. Additionally, we propose potential control targets for signaling pathways triggered by the gut microbiota to regulate hematopoietic function, filling crucial knowledge gaps in the development of this research field.
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Affiliation(s)
- Kaiwen Zheng
- Cancer Center, the First Hospital of Jilin University, Changchun, China
| | - Zhifeng Wei
- Department of Hematology, The First Hospital of Jilin University, Changchun, China
| | - Wei Li
- Cancer Center, the First Hospital of Jilin University, Changchun, China
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3
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Rigamonti A, Villar J, Segura E. Monocyte differentiation within tissues: a renewed outlook. Trends Immunol 2023; 44:999-1013. [PMID: 37949783 DOI: 10.1016/j.it.2023.10.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/09/2023] [Accepted: 10/10/2023] [Indexed: 11/12/2023]
Abstract
When recruited to mammalian tissues, monocytes differentiate into macrophages or dendritic cells (DCs). In the past few years, the existence of monocyte-derived DCs (moDCs) was questioned by the discovery of new DC populations with overlapping phenotypes. Here, we critically review the evidence for monocyte differentiation into DCs in tissues and highlight their specific functions. Recent studies have shown that monocyte-derived macrophages (moMacs) with distinct life cycles coexist in tissues, both at steady state and upon inflammation. Integrating studies in mice and humans, we highlight specific features of moMacs during inflammation and tissue repair. We also discuss the notion of monocyte differentiation occurring via a binary fate decision. Deciphering monocyte-derived cell properties is essential for understanding their role in nonresolving inflammation and how they might be targeted for therapies.
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Affiliation(s)
| | - Javiera Villar
- Institut Curie, PSL University, INSERM, U932, 26 Rue d'Ulm, Paris 75005, France
| | - Elodie Segura
- Institut Curie, PSL University, INSERM, U932, 26 Rue d'Ulm, Paris 75005, France.
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4
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Jin M, Fang J, Wang JJ, Shao X, Xu SW, Liu PQ, Ye WC, Liu ZP. Regulation of toll-like receptor (TLR) signaling pathways in atherosclerosis: from mechanisms to targeted therapeutics. Acta Pharmacol Sin 2023; 44:2358-2375. [PMID: 37550526 PMCID: PMC10692204 DOI: 10.1038/s41401-023-01123-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 06/04/2023] [Indexed: 08/09/2023] Open
Abstract
Atherosclerosis, one of the life-threatening cardiovascular diseases (CVDs), has been demonstrated to be a chronic inflammatory disease, and inflammatory and immune processes are involved in the origin and development of the disease. Toll-like receptors (TLRs), a class of pattern recognition receptors that trigger innate immune responses by identifying pathogen-associated molecular patterns (PAMPs) and danger-associated molecular patterns (DAMPs), regulate numerous acute and chronic inflammatory diseases. Recent studies reveal that TLRs have a vital role in the occurrence and development of atherosclerosis, including the initiation of endothelial dysfunction, interaction of various immune cells, and activation of a number of other inflammatory pathways. We herein summarize some other inflammatory signaling pathways, protein molecules, and cellular responses associated with TLRs, such as NLRP3, Nrf2, PCSK9, autophagy, pyroptosis and necroptosis, which are also involved in the development of AS. Targeting TLRs and their regulated inflammatory events could be a promising new strategy for the treatment of atherosclerotic CVDs. Novel drugs that exert therapeutic effects on AS through TLRs and their related pathways are increasingly being developed. In this article, we comprehensively review the current knowledge of TLR signaling pathways in atherosclerosis and actively seek potential therapeutic strategies using TLRs as a breakthrough point in the prevention and therapy of atherosclerosis.
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Affiliation(s)
- Mei Jin
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Jian Fang
- Affiliated Huadu Hospital, Southern Medical University (People's Hospital of Huadu District), Guangzhou, 510800, China
| | - Jiao-Jiao Wang
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Xin Shao
- Department of Food Science and Engineering, Jinan University, Guangzhou, 511436, China
| | - Suo-Wen Xu
- Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230026, China
| | - Pei-Qing Liu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 511436, China.
- National-Local Joint Engineering Lab of Druggability and New Drugs Evaluation, Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou, 510006, China.
| | - Wen-Cai Ye
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 511436, China.
| | - Zhi-Ping Liu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 511436, China.
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5
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Abdalla AE, Alanazi A, Abosalif KOA, Alameen AAM, Junaid K, Manni E, Talha AA, Ejaz H. MicroRNA-155, a double-blade sword regulator of innate tuberculosis immunity. Microb Pathog 2023; 185:106438. [PMID: 37925110 DOI: 10.1016/j.micpath.2023.106438] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/29/2023] [Accepted: 11/01/2023] [Indexed: 11/06/2023]
Abstract
Tuberculosis (TB) is a chronic, life-threatening disease caused by unusual facultative intracellular bacteria, Mycobacterium tuberculosis. This bacterium has unique resistance to many antimicrobial agents and has become a major global health concern due to emerging multidrug-resistant strains. Additionally, it has developed multiple schemes to exploit host immune signaling and establish long-term survival within host tissues. Thus, understanding the pathways that govern the crosstalk between the bacterium and the immune system could provide a new avenue for therapeutic interventions. MicroRNAs (miRs) are short, noncoding, and regulator RNA molecules that control the expression of cellular genes by targeting their mRNAs post-transcriptionally. MiR-155 is one of the most crucial miR in shaping the host immune defenses against M. tuberculosis. MiR-155 is remarkably downregulated in patients with clear clinical TB symptoms in comparison with latently infected patients and/or healthy individuals, thereby implicating its role in controlling M. tuberculosis infection. However, functional probing of miR-155 suggests dual effects in regulating the host's innate defenses in response to mycobacterial infection. This review provides comprehensive knowledge and future perspectives regarding complex signaling pathways that mediated miR-155 expression during M. tuberculosis infections. Moreover, miR-155-targeting signaling orchestrates inflammatory mediators' production, apoptosis, and autophagy.
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Affiliation(s)
- Abualgasim Elgaili Abdalla
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia.
| | - Awadh Alanazi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Khalid Omer Abdalla Abosalif
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Ayman Ali Mohammed Alameen
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Kashaf Junaid
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, E1 4NS, UK
| | - Emad Manni
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Albadawi Abdelbagi Talha
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Hasan Ejaz
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia.
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6
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Chauvin C, Radulovic K, Boulard O, Delacre M, Waldschmitt N, Régnier P, Legris G, Bouchez C, Sleimi MY, Rosenstiel P, Darrasse-Jèze G, Chamaillard M, Poulin LF. Loss of NOD2 in macrophages improves colitis and tumorigenesis in a lysozyme-dependent manner. Front Immunol 2023; 14:1252979. [PMID: 37876927 PMCID: PMC10590911 DOI: 10.3389/fimmu.2023.1252979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/14/2023] [Indexed: 10/26/2023] Open
Abstract
Background Crohn's disease (CD) is a complex and poorly understood myeloid-mediated disorder. Genetic variants with loss of function in the NOD2 gene confer an increased susceptibility to ileal CD. While Nod2 in myeloid cells may confer protection against T-cell mediated ileopathy, it remains unclear whether it may promote resolution of the inflamed colon. In this study, we evaluated the function of Nod2 in myeloid cells in a model of acute colitis and colitis-associated colon cancer (CAC). Methods To ablate Nod2 specifically within the myeloid compartment, we generated LysMCre/+;Nod2fl/fl mice. The role of NOD2 was studied in a setting of Dextran Sodium Sulfate (DSS)-induced colitis and in azoxymethane (AOM)/DSS model. Clinical parameters were quantified by colonoscopy, histological, flow cytometry, and qRT-PCR analysis. Results Upon DSS colitis model, LysMCre/+;Nod2fl/fl mice lost less weight than control littermates and had less severe damage to the colonic epithelium. In the AOM/DSS model, endoscopic monitoring of tumor progression revealed a lowered number of adenomas within the colon of LysMCre/+;Nod2fl/fl mice, associated with less expression of Tgfb. Mechanistically, lysozyme M was required for the improved disease severity in mice with a defect of NOD2 in myeloid cells. Conclusion Our results indicate that loss of Nod2 signaling in myeloid cells aids in the tissue repair of the inflamed large intestine through lysozyme secretion by myeloid cells. These results may pave the way to design new therapeutics to limit the inflammatory and tumorigenic functions of NOD2.
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Affiliation(s)
- Camille Chauvin
- Univ. Lille, Institut National de la Santé Et de la Recherche Médicale (Inserm), Centre de Recherche Hospitalier Universitaire (CHU) Lille, Institut Pasteur de Lille, U1019, Lille, France
- Institut national de la santé et de la recherche médicale (INSERM) U1138, Centre de Recherche des Cordeliers, Paris, France
| | - Katarina Radulovic
- Unité de Recherche Clinique, Centre Hospitalier de Valenciennes, Valenciennes, France
| | | | - Myriam Delacre
- Univ. Lille, Institut National de la Santé Et de la Recherche Médicale (Inserm), Centre de Recherche Hospitalier Universitaire (CHU) Lille, Institut Pasteur de Lille, U1019, Lille, France
| | - Nadine Waldschmitt
- Chair of Nutrition and Immunology, School of Life Sciences, Technische Universität München, Freising-Weihenstephan, Germany
| | - Paul Régnier
- Immunology-Immunopathology-Immunotherapy (i3) Laboratory, Institut national de la santé et de la recherche médicale (INSERM) UMR-S 959, Sorbonne Université, Paris, France
- Biotherapy Unit (CIC-BTi), Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Groupe Hospitalier Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | | | | | | | - Philip Rosenstiel
- Institute of Clinical Molecular Biology, Christian Albrechts University and University Hospital Schleswig-Holstein, Kiel, Germany
| | - Guillaume Darrasse-Jèze
- Immunology-Immunopathology-Immunotherapy (i3) Laboratory, Institut national de la santé et de la recherche médicale (INSERM) UMR-S 959, Sorbonne Université, Paris, France
- Université de Paris, Paris Descartes, Faculté de Médecine, Paris, France
- Université Paris Cité, Faculté de Médecine, Paris, France
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7
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Kolypetri P, Weiner HL. Monocyte regulation by gut microbial signals. Trends Microbiol 2023; 31:1044-1057. [PMID: 37271658 PMCID: PMC10524398 DOI: 10.1016/j.tim.2023.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 05/12/2023] [Accepted: 05/15/2023] [Indexed: 06/06/2023]
Abstract
Monocytes are innate immune cells that sense environmental changes and participate in the immunoregulation of autoimmune, neurologic, cardiovascular, and metabolic diseases as well as cancer. Recent studies have suggested that the gut microbiome shapes the biology of monocytes via microbial signals at extraintestinal sites. Interestingly, in chronic diseases, communication between microbial signals and monocytes can either promote or inhibit disease activity, suggesting that some of these pathways can be harnessed for clinical therapies. In this review, we discuss the newer concepts of regulation of monocyte homeostasis and function by gut microbial signals during steady state and inflammation. We also highlight the therapeutic potential of microbial signal-based approaches for modulation in the context of various diseases.
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Affiliation(s)
- Panayota Kolypetri
- Department of Neurology, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
| | - Howard L Weiner
- Department of Neurology, Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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8
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Koutsogiannaki S, Kim S, Yuki K. Age-dependent transcriptomic profiles of leukocytes in pediatric population. Clin Immunol 2023; 255:109728. [PMID: 37562722 PMCID: PMC10543464 DOI: 10.1016/j.clim.2023.109728] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/24/2023] [Accepted: 07/30/2023] [Indexed: 08/12/2023]
Abstract
Immunity at birth is considered immature. Following birth, our immune function is considered to grow and reach maturation over time. To obtain granular information of leukocyte functions and transcriptomic profiles in pediatric cohort, we examined leukocyte profiles in infants, preschool and school children using single cell RNA sequencing of their peripheral blood mononuclear cells (PBMCs). Monocytes and natural killer (NK) cells showed immaturity in infants. Their innate and adaptive immunity was developed by preschool age. Adaptive immune cells showed different maturation patterns. CD4, CD8 naïve T cells and plasma cells continued to mature untill school age. In CD8 naïve T cells, innate immunity was upregulated in infants, in support of our knowledge that they manifests more innate cell-like phenotype soon after birth. Many signaling pathways have been differentially up- and/or down-regulated in infants, preschool and school children. Their contribution to the development of the immune system needs to be delineated.
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Affiliation(s)
- Sophia Koutsogiannaki
- Department of Anesthesiology, Critical Care and Pain Medicine, Cardiac Anesthesia Division, Boston Children's Hospital, Boston, MA, 02115, United States; Department of Anaesthesia and Immunology, Harvard Medical School, Boston, MA, 02115, United States; Broad Institute of MIT and Harvard, Cambridge, MA, 02141, United States
| | - Samuel Kim
- Department of Anesthesiology, Critical Care and Pain Medicine, Cardiac Anesthesia Division, Boston Children's Hospital, Boston, MA, 02115, United States
| | - Koichi Yuki
- Department of Anesthesiology, Critical Care and Pain Medicine, Cardiac Anesthesia Division, Boston Children's Hospital, Boston, MA, 02115, United States; Department of Anaesthesia and Immunology, Harvard Medical School, Boston, MA, 02115, United States; Broad Institute of MIT and Harvard, Cambridge, MA, 02141, United States.
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9
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Chauvin C, Alvarez-Simon D, Radulovic K, Boulard O, Laine W, Delacre M, Waldschmitt N, Segura E, Kluza J, Chamaillard M, Poulin LF. NOD2 in monocytes negatively regulates macrophage development through TNFalpha. Front Immunol 2023; 14:1181823. [PMID: 37415975 PMCID: PMC10320732 DOI: 10.3389/fimmu.2023.1181823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/23/2023] [Indexed: 07/08/2023] Open
Abstract
Objective It is believed that intestinal recruitment of monocytes from Crohn's Disease (CD) patients who carry NOD2 risk alleles may repeatedly give rise to recruitment of pathogenic macrophages. We investigated an alternative possibility that NOD2 may rather inhibit their differentiation from intravasating monocytes. Design The monocyte fate decision was examined by using germ-free mice, mixed bone marrow chimeras and a culture system yielding macrophages and monocyte-derived dendritic cells (mo-DCs). Results We observed a decrease in the frequency of mo-DCs in the colon of Nod2-deficient mice, despite a similar abundance of monocytes. This decrease was independent of the changes in the gut microbiota and dysbiosis caused by Nod2 deficiency. Similarly, the pool of mo-DCs was poorly reconstituted in a Nod2-deficient mixed bone marrow (BM) chimera. The use of pharmacological inhibitors revealed that activation of NOD2 during monocyte-derived cell development, dominantly inhibits mTOR-mediated macrophage differentiation in a TNFα-dependent manner. These observations were supported by the identification of a TNFα-dependent response to muramyl dipeptide (MDP) that is specifically lost when CD14-expressing blood cells bear a frameshift mutation in NOD2. Conclusion NOD2 negatively regulates a macrophage developmental program through a feed-forward loop that could be exploited for overcoming resistance to anti-TNF therapy in CD.
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Affiliation(s)
- Camille Chauvin
- U1019, Institut Pasteur de Lille, Univ. Lille, Centre National de la Recherche Scientifique, Inserm, Centre Hospitalo- Universitaire Lille, Lille, France
- INSERM U1138, Centre de Recherche des Cordeliers, Paris, France
| | - Daniel Alvarez-Simon
- U1019, Institut Pasteur de Lille, Univ. Lille, Centre National de la Recherche Scientifique, Inserm, Centre Hospitalo- Universitaire Lille, Lille, France
| | - Katarina Radulovic
- Unité de Recherche Clinique, Centre Hospitalier de Valenciennes, Valenciennes CEDEX, France
| | | | - William Laine
- UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, University Lille, Lille, France
| | - Myriam Delacre
- U1019, Institut Pasteur de Lille, Univ. Lille, Centre National de la Recherche Scientifique, Inserm, Centre Hospitalo- Universitaire Lille, Lille, France
| | - Nadine Waldschmitt
- Chair of Nutrition and Immunology, School of Life Sciences, Technische Universität München, Freising-Weihenstephan, Germany
| | - Elodie Segura
- INSERM U932, Institut Curie, Paris Sciences et Lettres Research University, Paris, France
| | - Jérome Kluza
- UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, University Lille, Lille, France
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10
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Villar J, Ouaknin L, Cros A, Segura E. Monocytes differentiate along two alternative pathways during sterile inflammation. EMBO Rep 2023:e56308. [PMID: 37191947 DOI: 10.15252/embr.202256308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 04/18/2023] [Accepted: 05/02/2023] [Indexed: 05/17/2023] Open
Abstract
During inflammation, monocytes differentiate within tissues into macrophages (mo-Mac) or dendritic cells (mo-DC). Whether these two populations derive from alternative differentiation pathways or represent different stages along a continuum remains unclear. Here, we address this question using temporal single-cell RNA sequencing in an in vitro model, allowing the simultaneous differentiation of human mo-Mac and mo-DC. We find divergent differentiation paths, with a fate decision occurring within the first 24 h and confirm this result in vivo using a mouse model of sterile peritonitis. Using a computational approach, we identify candidate transcription factors potentially involved in monocyte fate commitment. We demonstrate that IRF1 is necessary for mo-Mac differentiation, independently of its role in regulating transcription of interferon-stimulated genes. In addition, we describe the transcription factors ZNF366 and MAFF as regulators of mo-DC development. Our results indicate that mo-Macs and mo-DCs represent two alternative cell fates requiring distinct transcription factors for their differentiation.
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Affiliation(s)
- Javiera Villar
- Institut Curie, PSL Research University, INSERM, U932, Paris, France
| | - Léa Ouaknin
- Institut Curie, PSL Research University, INSERM, U932, Paris, France
| | - Adeline Cros
- Institut Curie, PSL Research University, INSERM, U932, Paris, France
| | - Elodie Segura
- Institut Curie, PSL Research University, INSERM, U932, Paris, France
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11
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Guglietta S, Krieg C. Phenotypic and functional heterogeneity of monocytes in health and cancer in the era of high dimensional technologies. Blood Rev 2023; 58:101012. [PMID: 36114066 DOI: 10.1016/j.blre.2022.101012] [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: 08/28/2021] [Revised: 08/16/2022] [Accepted: 08/18/2022] [Indexed: 11/23/2022]
Abstract
Monocytes have been traditionally classified in three discrete subsets, which can participate in the immune responses as effector cells or as precursors of myeloid-derived cells in circulation and tissues. However, recent advances in single-cell omics have revealed unprecedented phenotypic and functional heterogeneity that goes well beyond the three conventional monocytic subsets and propose a more fluid differentiation model. This novel concept does not only apply to the monocytes in circulation but also at the tissue site. Consequently, the binary model proposed for differentiating monocyte into M1 and M2 macrophages has been recently challenged by a spectrum model that more realistically mirrors the heterogeneous cues in inflammatory conditions. This review describes the latest results on the high dimensional characterization of monocytes and monocyte-derived myeloid cells in steady state and cancer. We discuss how environmental cues and monocyte-intrinsic properties may affect their differentiation toward specific functional and phenotypic subsets, the causes of monocyte expansion and reduction in cancer, their metabolic requirements, and the potential effect on tumor immunity.
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Affiliation(s)
- Silvia Guglietta
- Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA; Department of Regenerative Medicine & Cell Biology, Medical University of South Carolina (MUSC), 173 Ashley Avenue, CRI609, Charleston, SC 29425, USA.
| | - Carsten Krieg
- Department of Pathology & Laboratory Medicine, Medical University of South Carolina (MUSC), 68 President Street, BE415, Charleston, SC 29425, USA; Hollings Cancer Center, 86 Jonathan Lucas Street, Charleston, SC 29425, USA.
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12
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Erra Diaz F, Mazzitelli I, Bleichmar L, Melucci C, Thibodeau A, Dalotto Moreno T, Marches R, Rabinovich GA, Ucar D, Geffner J. Concomitant inhibition of PPARγ and mTORC1 induces the differentiation of human monocytes into highly immunogenic dendritic cells. Cell Rep 2023; 42:112156. [PMID: 36842088 DOI: 10.1016/j.celrep.2023.112156] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/29/2022] [Accepted: 02/08/2023] [Indexed: 02/27/2023] Open
Abstract
Monocytes can differentiate into macrophages (Mo-Macs) or dendritic cells (Mo-DCs). The cytokine granulocyte-macrophage colony-stimulating factor (GM-CSF) induces the differentiation of monocytes into Mo-Macs, while the combination of GM-CSF/interleukin (IL)-4 is widely used to generate Mo-DCs for clinical applications and to study human DC biology. Here, we report that pharmacological inhibition of the nuclear receptor peroxisome proliferator-activated receptor gamma (PPARγ) in the presence of GM-CSF and the absence of IL-4 induces monocyte differentiation into Mo-DCs. Remarkably, we find that simultaneous inhibition of PPARγ and the nutrient sensor mammalian target of rapamycin complex 1 (mTORC1) induces the differentiation of Mo-DCs with stronger phenotypic stability, superior immunogenicity, and a transcriptional profile characterized by a strong type I interferon (IFN) signature, a lower expression of a large set of tolerogenic genes, and the differential expression of several transcription factors compared with GM-CSF/IL-4 Mo-DCs. Our findings uncover a pathway that tailors Mo-DC differentiation with potential implications in the fields of DC vaccination and cancer immunotherapy.
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Affiliation(s)
- Fernando Erra Diaz
- Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Ignacio Mazzitelli
- Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Lucía Bleichmar
- Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Claudia Melucci
- Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Asa Thibodeau
- The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA
| | - Tomás Dalotto Moreno
- Laboratorio de Glicomedicina, Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina
| | - Radu Marches
- The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA
| | - Gabriel A Rabinovich
- Laboratorio de Glicomedicina, Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina; Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Duygu Ucar
- The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA; Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA; Institute for Systems Genomics, University of Connecticut Health Center, Farmington, CT 06030, USA.
| | - Jorge Geffner
- Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA, Universidad de Buenos Aires, CONICET, Buenos Aires, Argentina.
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13
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Verdier J, Fayet OM, Hemery E, Truffault F, Pinzón N, Demeret S, Behin A, Fadel E, Guihaire J, Corneau A, Blanc C, Berrih-Aknin S, Le Panse R. Single-cell mass cytometry on peripheral cells in Myasthenia Gravis identifies dysregulation of innate immune cells. Front Immunol 2023; 14:1083218. [PMID: 36793723 PMCID: PMC9922723 DOI: 10.3389/fimmu.2023.1083218] [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: 10/28/2022] [Accepted: 01/04/2023] [Indexed: 01/31/2023] Open
Abstract
Myasthenia Gravis (MG) is a neurological autoimmune disease characterized by disabling muscle weaknesses due to anti-acetylcholine receptor (AChR) autoantibodies. To gain insight into immune dysregulation underlying early-onset AChR+ MG, we performed an in-depth analysis of peripheral mononuclear blood cells (PBMCs) using mass cytometry. PBMCs from 24 AChR+ MG patients without thymoma and 16 controls were stained with a panel of 37 antibodies. Using both unsupervised and supervised approaches, we observed a decrease in monocytes, for all subpopulations: classical, intermediate, and non-classical monocytes. In contrast, an increase in innate lymphoid cells 2 (ILC2s) and CD27- γδ T cells was observed. We further investigated the dysregulations affecting monocytes and γδ T cells in MG. We analyzed CD27- γδ T cells in PBMCs and thymic cells from AChR+ MG patients. We detected the increase in CD27- γδ T cells in thymic cells of MG patients suggesting that the inflammatory thymic environment might affect γδ T cell differentiation. To better understand changes that might affect monocytes, we analyzed RNA sequencing data from CD14+ PBMCs and showed a global decrease activity of monocytes in MG patients. Next, by flow cytometry, we especially confirmed the decrease affecting non-classical monocytes. In MG, as for other B-cell mediated autoimmune diseases, dysregulations are well known for adaptive immune cells, such as B and T cells. Here, using single-cell mass cytometry, we unraveled unexpected dysregulations for innate immune cells. If these cells are known to be crucial for host defense, our results demonstrated that they could also be involved in autoimmunity.
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Affiliation(s)
- Julien Verdier
- Sorbonne University, INSERM, Institute of Myology, Center of Research in Myology, Paris, France
| | - Odessa-Maud Fayet
- Sorbonne University, INSERM, Institute of Myology, Center of Research in Myology, Paris, France
| | - Edouard Hemery
- Sorbonne University, INSERM, Institute of Myology, Center of Research in Myology, Paris, France
| | - Frédérique Truffault
- Sorbonne University, INSERM, Institute of Myology, Center of Research in Myology, Paris, France
| | - Natalia Pinzón
- Sorbonne University, INSERM, Institute of Myology, Center of Research in Myology, Paris, France
| | - Sophie Demeret
- APHP, Assistance Publique - Hopitaux de Paris, Paris, France
| | - Anthony Behin
- AP-HP, Referral Center for Neuromuscular Disorders, Institute of Myology, Pitié-Salpêtrière Hospital, Paris, France
| | - Elie Fadel
- Marie Lannelongue Hospital, Paris-Sud University, Le Plessis-Robinson, France
| | - Julien Guihaire
- Marie Lannelongue Hospital, Paris-Sud University, Le Plessis-Robinson, France
| | - Aurélien Corneau
- Plateforme de Cytométrie de la Pitié-Salpétrière (CyPS), UMS037-PASS, Sorbonne Université-Faculté de Médecine, Paris, France
| | - Catherine Blanc
- Plateforme de Cytométrie de la Pitié-Salpétrière (CyPS), UMS037-PASS, Sorbonne Université-Faculté de Médecine, Paris, France
| | - Sonia Berrih-Aknin
- Sorbonne University, INSERM, Institute of Myology, Center of Research in Myology, Paris, France
| | - Rozen Le Panse
- Sorbonne University, INSERM, Institute of Myology, Center of Research in Myology, Paris, France
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14
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Margiana R, Alsaikhan F, Al-Awsi GRL, Patra I, Sivaraman R, Fadhil AA, Al-Baghdady HFA, Qasim MT, Hameed NM, Mustafa YF, Hosseini-Fard S. Functions and therapeutic interventions of non-coding RNAs associated with TLR signaling pathway in atherosclerosis. Cell Signal 2022; 100:110471. [PMID: 36122884 DOI: 10.1016/j.cellsig.2022.110471] [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: 09/01/2022] [Revised: 09/11/2022] [Accepted: 09/13/2022] [Indexed: 11/24/2022]
Abstract
Nowadays, emerging data demonstrate that the toll-like receptor (TLR) signaling pathway plays an important role in the progression of inflammatory atherosclerosis. Indeed, dysregulated TLR signaling pathway could be a cornerstone of inflammation and atherosclerosis, which contributes to the development of cardiovascular diseases. It is interesting to note that this pathway is heavily controlled by several mechanisms, such as epigenetic factors in which the role of non-coding RNAs (ncRNAs), particularly microRNAs and long noncoding RNAs as well as circular RNAs in the pathogenesis of atherosclerosis has been well studied. Recent years have seen a significant surge in the amount of research exploring the interplay between ncRNAs and TLR signaling pathway downstream targets in the development of atherosclerosis; however, there is still considerable room for improvement in this field. The current study was designed to review underlying mechanisms of TLR signaling pathway and ncRNA interactions to shed light on therapeutic implications in patients with atherosclerosis.
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Affiliation(s)
- Ria Margiana
- Department of Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Master's Programme Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Dr. Soetomo General Academic Hospital, Surabaya, Jakarta, Indonesia
| | - Fahad Alsaikhan
- College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia.
| | | | - Indrajit Patra
- An Independent Researcher, PhD from NIT Durgapur, Durgapur, West Bengal, India
| | - Ramaswamy Sivaraman
- Dwaraka Doss Goverdhan Doss Vaishnav College, University of Madras, Arumbakkam, Chennai, India
| | | | | | - Maytham T Qasim
- Department of Anesthesia, College of Health and Medical Technololgy, Al-Ayen University, Thi-Qar, Iraq
| | - Noora M Hameed
- Anesthesia techniques, Al-Nisour University College, Baghdad, Iraq
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul 41001, Iraq
| | - Seyedreza Hosseini-Fard
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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