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Wang H, Divaris K, Pan B, Li X, Lim JH, Saha G, Barovic M, Giannakou D, Korostoff JM, Bing Y, Sen S, Moss K, Wu D, Beck JD, Ballantyne CM, Natarajan P, North KE, Netea MG, Chavakis T, Hajishengallis G. Clonal hematopoiesis driven by mutated DNMT3A promotes inflammatory bone loss. Cell 2024; 187:3690-3711.e19. [PMID: 38838669 PMCID: PMC11246233 DOI: 10.1016/j.cell.2024.05.003] [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: 08/23/2023] [Revised: 02/19/2024] [Accepted: 05/01/2024] [Indexed: 06/07/2024]
Abstract
Clonal hematopoiesis of indeterminate potential (CHIP) arises from aging-associated acquired mutations in hematopoietic progenitors, which display clonal expansion and produce phenotypically altered leukocytes. We associated CHIP-DNMT3A mutations with a higher prevalence of periodontitis and gingival inflammation among 4,946 community-dwelling adults. To model DNMT3A-driven CHIP, we used mice with the heterozygous loss-of-function mutation R878H, equivalent to the human hotspot mutation R882H. Partial transplantation with Dnmt3aR878H/+ bone marrow (BM) cells resulted in clonal expansion of mutant cells into both myeloid and lymphoid lineages and an elevated abundance of osteoclast precursors in the BM and osteoclastogenic macrophages in the periphery. DNMT3A-driven clonal hematopoiesis in recipient mice promoted naturally occurring periodontitis and aggravated experimentally induced periodontitis and arthritis, associated with enhanced osteoclastogenesis, IL-17-dependent inflammation and neutrophil responses, and impaired regulatory T cell immunosuppressive activity. DNMT3A-driven clonal hematopoiesis and, subsequently, periodontitis were suppressed by rapamycin treatment. DNMT3A-driven CHIP represents a treatable state of maladaptive hematopoiesis promoting inflammatory bone loss.
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Affiliation(s)
- Hui Wang
- Department of Basic and Translational Sciences, Laboratory of Innate Immunity and Inflammation, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Kimon Divaris
- Division of Pediatric and Public Health, Adams School of Dentistry, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA; Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA
| | - Bohu Pan
- Division of Bioinformatics and Biostatistics, National Center for Toxicological Research, US Food and Drug Administration, Jefferson, AR 72079, USA
| | - Xiaofei Li
- Department of Basic and Translational Sciences, Laboratory of Innate Immunity and Inflammation, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Shanghai Jiao Tong University, School of Life Sciences and Biotechnology, Sheng Yushou Center of Cell Biology and Immunology, Shanghai 200240, China
| | - Jong-Hyung Lim
- Department of Basic and Translational Sciences, Laboratory of Innate Immunity and Inflammation, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Gundappa Saha
- Department of Basic and Translational Sciences, Laboratory of Innate Immunity and Inflammation, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Marko Barovic
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital, Technische Universität Dresden, 01307 Dresden, Germany
| | - Danai Giannakou
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital, Technische Universität Dresden, 01307 Dresden, Germany
| | - Jonathan M Korostoff
- Department of Periodontics, Laboratory of Innate Immunity and Inflammation, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yu Bing
- Human Genetics Center, Department of Epidemiology, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Souvik Sen
- Department of Neurology, University of South Carolina, Columbia, SC 29209, USA; Center for the Study of Aphasia Recovery, University of South Carolina, Columbia, SC 29209, USA
| | - Kevin Moss
- Department of Biostatistics and Health Data Sciences, School of Medicine, Indiana University, Indianapolis, IN 46202, USA; Division of Oral and Craniofacial Health Sciences, Adams School of Dentistry, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA
| | - Di Wu
- Division of Oral and Craniofacial Health Sciences, Adams School of Dentistry, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA; Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA
| | - James D Beck
- Division of Comprehensive Oral Health-Periodontology, Adams School of Dentistry, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA
| | | | - Pradeep Natarajan
- Cardiovascular Research Center and Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; Program in Medical and Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA 02141, USA; Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
| | - Kari E North
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA
| | - Mihai G Netea
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, 6525 XZ Nijmegen, the Netherlands; Department of Immunology and Metabolism, LIMES, University of Bonn, 53115 Bonn, Germany
| | - Triantafyllos Chavakis
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital, Technische Universität Dresden, 01307 Dresden, Germany
| | - George Hajishengallis
- Department of Basic and Translational Sciences, Laboratory of Innate Immunity and Inflammation, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Bahrar H, Bekkering S, Stienstra R, Netea MG, Riksen NP. Innate immune memory in cardiometabolic disease. Cardiovasc Res 2024; 119:2774-2786. [PMID: 36795085 PMCID: PMC10874278 DOI: 10.1093/cvr/cvad030] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 09/19/2022] [Accepted: 10/19/2022] [Indexed: 02/17/2023] Open
Abstract
Low-grade systemic inflammation is a key pathophysiological component of atherosclerotic cardiovascular disease (CVD), and long-term activation of myeloid cells is thought to be crucial for these effects. Obesity and associated metabolic complications including hyperglycaemia and dyslipoproteinaemia can induce long-lasting inflammatory reprogramming of the innate immune cells and their bone marrow progenitors, which in turn contributes to atherosclerosis. In this review, we discuss the mechanisms through which innate immune cells undergo long-term changes in their functional, epigenetic, and metabolic characteristics upon even short-term exposure to endogenous ligands, a process also termed 'trained immunity'. Inappropriate induction of trained immunity leads to the development of long-lasting hyperinflammatory and proatherogenic changes in monocytes and macrophages, an important factor in the development of atherosclerosis and CVDs. Knowledge of the specific immune cells and the distinct intracellular molecular pathways involved in the induction of trained immunity will reveal novel pharmacological targets that could be used to prevent or treat CVDs in the future.
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Affiliation(s)
- Harsh Bahrar
- Radboud University Medical Center, Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, 463, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, The Netherlands
| | - Siroon Bekkering
- Radboud University Medical Center, Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, 463, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, The Netherlands
| | - Rinke Stienstra
- Radboud University Medical Center, Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, 463, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, The Netherlands
- Nutrition, Metabolism and Genomics Group, Division of Human Nutrition and Health, Wageningen University, Wageningen, The Netherlands
| | - Mihai G Netea
- Radboud University Medical Center, Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, 463, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, The Netherlands
- Department of Immunology and Metabolism, Life and Medical Sciences Institute, University of Bonn, Bonn, Germany
| | - Niels P Riksen
- Radboud University Medical Center, Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, 463, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, The Netherlands
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Wu Q, Zhang W, Lu Y, Li H, Yang Y, Geng F, Liu J, Lin L, Pan Y, Li C. Association between periodontitis and inflammatory comorbidities: The common role of innate immune cells, underlying mechanisms and therapeutic targets. Int Immunopharmacol 2024; 128:111558. [PMID: 38266446 DOI: 10.1016/j.intimp.2024.111558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 01/26/2024]
Abstract
Periodontitis, which is related to various systemic diseases, is a chronic inflammatory disease caused by periodontal dysbiosis of the microbiota. Multiple factors can influence the interaction of periodontitis and associated inflammatory disorders, among which host immunity is an important contributor to this interaction. Innate immunity can be activated aberrantly because of the systemic inflammation induced by periodontitis. This aberrant activation not only exacerbates periodontal tissue damage but also impairs systemic health, triggering or aggravating inflammatory comorbidities. Therefore, innate immunity is a potential therapeutic target for periodontitis and associated inflammatory comorbidities. This review delineates analogous aberrations of innate immune cells in periodontitis and comorbid conditions such as atherosclerosis, diabetes, obesity, and rheumatoid arthritis. The mechanisms behind these changes in innate immune cells are discussed, including trained immunity and clonal hematopoiesis of indeterminate potential (CHIP), which can mediate the abnormal activation and myeloid-biased differentiation of hematopoietic stem and progenitor cells. Besides, the expansion of myeloid-derived suppressor cells (MDSCs), which have immunosuppressive and osteolytic effects on peripheral tissues, also contributes to the interaction between periodontitis and its inflammatory comorbidities. The potential treatment targets for relieving the risk of both periodontitis and systemic conditions are also elucidated, such as the modulation of innate immunity cells and mediators, the regulation of trained immunity and CHIP, as well as the inhibition of MDSCs' expansion.
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Affiliation(s)
- Qibing Wu
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, China; Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Weijia Zhang
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Yaqiong Lu
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, China; Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Hongxia Li
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, China; Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Yaru Yang
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Fengxue Geng
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, China; Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Jinwen Liu
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, China; Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Li Lin
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Yaping Pan
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Chen Li
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, China; Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China.
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Kleimann P, Irschfeld LM, Grandoch M, Flögel U, Temme S. Trained Innate Immunity in Animal Models of Cardiovascular Diseases. Int J Mol Sci 2024; 25:2312. [PMID: 38396989 PMCID: PMC10889825 DOI: 10.3390/ijms25042312] [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: 01/14/2024] [Revised: 02/11/2024] [Accepted: 02/12/2024] [Indexed: 02/25/2024] Open
Abstract
Acquisition of immunological memory is an important evolutionary strategy that evolved to protect the host from repetitive challenges from infectious agents. It was believed for a long time that memory formation exclusively occurs in the adaptive part of the immune system with the formation of highly specific memory T cells and B cells. In the past 10-15 years, it has become clear that innate immune cells, such as monocytes, natural killer cells, or neutrophil granulocytes, also have the ability to generate some kind of memory. After the exposure of innate immune cells to certain stimuli, these cells develop an enhanced secondary response with increased cytokine secretion even after an encounter with an unrelated stimulus. This phenomenon has been termed trained innate immunity (TI) and is associated with epigenetic modifications (histone methylation, acetylation) and metabolic alterations (elevated glycolysis, lactate production). TI has been observed in tissue-resident or circulating immune cells but also in bone marrow progenitors. Risk-factors for cardiovascular diseases (CVDs) which are associated with low-grade inflammation, such as hyperglycemia, obesity, or high salt, can also induce TI with a profound impact on the development and progression of CVDs. In this review, we briefly describe basic mechanisms of TI and summarize animal studies which specifically focus on TI in the context of CVDs.
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Affiliation(s)
- Patricia Kleimann
- Institute of Molecular Cardiology, Faculty of Medicine, University Hospital, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (P.K.); (U.F.)
| | - Lisa-Marie Irschfeld
- Department of Radiation Oncology, Faculty of Medicine, University Hospital, Heinrich-Heine-University, 40225 Düsseldorf, Germany;
| | - Maria Grandoch
- Institute of Translational Pharmacology, Faculty of Medicine, University Hospital, Heinrich-Heine-University, 40225 Düsseldorf, Germany;
- Cardiovascular Research Institute Düsseldorf (CARID), University Hospital, 40225 Düsseldorf, Germany
| | - Ulrich Flögel
- Institute of Molecular Cardiology, Faculty of Medicine, University Hospital, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (P.K.); (U.F.)
- Cardiovascular Research Institute Düsseldorf (CARID), University Hospital, 40225 Düsseldorf, Germany
| | - Sebastian Temme
- Cardiovascular Research Institute Düsseldorf (CARID), University Hospital, 40225 Düsseldorf, Germany
- Department of Anesthesiology, Faculty of Medicine, University Hospital, Heinrich-Heine-University, 40225 Düsseldorf, Germany
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Riksen NP, Bekkering S, Mulder WJM, Netea MG. Trained immunity in atherosclerotic cardiovascular disease. Nat Rev Cardiol 2023; 20:799-811. [PMID: 37322182 DOI: 10.1038/s41569-023-00894-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/19/2023] [Indexed: 06/17/2023]
Abstract
Trained immunity, also known as innate immune memory, is a persistent hyper-responsive functional state of innate immune cells. Accumulating evidence implicates trained immunity as an underlying mechanism of chronic inflammation in atherosclerotic cardiovascular disease. In this context, trained immunity is induced by endogenous atherosclerosis-promoting factors, such as modified lipoproteins or hyperglycaemia, causing broad metabolic and epigenetic reprogramming of the myeloid cell compartment. In addition to traditional cardiovascular risk factors, lifestyle factors, including unhealthy diets, sedentary lifestyle, sleep deprivation and psychosocial stress, as well as inflammatory comorbidities, have been shown to activate trained immunity-like mechanisms in bone marrow haematopoietic stem cells. In this Review, we discuss the molecular and cellular mechanisms of trained immunity, its systemic regulation through haematopoietic progenitor cells in the bone marrow, and the activation of these mechanisms by cardiovascular disease risk factors. We also highlight other trained immunity features that are relevant for atherosclerotic cardiovascular disease, including the diverse cell types that show memory characteristics and transgenerational inheritance of trained immunity traits. Finally, we propose potential strategies for the therapeutic modulation of trained immunity to manage atherosclerotic cardiovascular disease.
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Affiliation(s)
- Niels P Riksen
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Siroon Bekkering
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Willem J M Mulder
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Mihai G Netea
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
- Department for Genomics and Immunoregulation, University of Bonn, Bonn, Germany
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Li X, Li Z, Cai D, Li Y, Zhu Y, Jiao R, Lai C, Sun J, Bai W. Vitisin A, as a Type of Pyranoanthocyanin, Suppresses Inflammation by Restricting Hematopoietic Stem Cell Differentiation toward Monocytes in Bone Marrow. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:15048-15063. [PMID: 37811833 DOI: 10.1021/acs.jafc.3c03119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Hematopoietic stem and progenitor cells (HSPCs) could be differentiated into mature myeloid and lymphoid cells, maintaining the requirements of immune cells. Atherosclerosis and ulcerative colitis (UC) drive HSPC homeostasis destruction, which triggers expansive HSPC proliferation and Ly6Chi monocyte production, contributing to aggravated inflammation. Vitisin A belongs to the anthocyanin derivatives with excellent stability and bioactivity in vitro. However, there is no report about the anti-inflammation of Vitisin A via reprogramming HSPC differentiation toward monocytes. In this study, we found that Vitisin A presents anti-inflammatory ability during the development of atherosclerosis and UC by depressing Ly6Chi monocyte production from bone marrow. This performance depended on restricted HSPC differentiation, which suggested that Vitisin A participated in monocyte generation and carried out the immunomodulation. Together, Vitisin A ameliorates inflammation during atherosclerosis and UC via the suppressed differentiation of HSPCs toward monocytes, which could be considered an ideal functional component with immunomodulatory effects.
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Affiliation(s)
- Xusheng Li
- The Sixth Affiliated Hospital, Jinan University, Dongguan 523576, P. R. China
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, P. R. China
| | - Zhenhua Li
- Department of Systems Biomedical Sciences, School of Medicine, Jinan University, Guangzhou 510632, P. R. China
| | - Dongbao Cai
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, P. R. China
| | - Yawen Li
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, P. R. China
| | - Yuanqin Zhu
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, P. R. China
| | - Rui Jiao
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, P. R. China
| | - Caiyong Lai
- The Sixth Affiliated Hospital, Jinan University, Dongguan 523576, P. R. China
- Department of Urology, Institute of Kidney Surgery, The First Affiliated Hospital, Jinan University, Guangzhou 510632, P. R. China
| | - Jianxia Sun
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Weibin Bai
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, P. R. China
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