1
|
Thompson DA, Wabara YB, Duran S, Reichenbach A, Chen L, Collado K, Yon C, Greally JM, Rastogi D. Single-cell analysis identifies distinct CD4+ T cells associated with the pathobiology of pediatric obesity-related asthma. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.13.607447. [PMID: 39211259 PMCID: PMC11361012 DOI: 10.1101/2024.08.13.607447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Pediatric obesity-related asthma is characterized by non-atopic T helper 1 (Th1) inflammation and steroid resistance. CDC42 upregulation in CD4+T cells underliesTh1 inflammation but the CD4+T cell subtype(s) with CDC42 upregulation and their contribution to steroid resistance are not known. Compared to healthy-weight asthma, obesity-alone and healthy-weight controls, single-cell transcriptomics of obese asthma CD4+T cells revealed CDC42 upregulation in 3 clusters comprised of naïve and central memory T cells, which differed from the cluster enriched for Th1 responses that was comprised of effector T cells. NR3C1, coding for glucocorticoid receptor, was downregulated, while genes coding for NLRP3 inflammasome were upregulated, in clusters with CDC42 upregulation and Th1 responses. Conserved genes in these clusters correlated with pulmonary function deficits in obese asthma. These findings suggest that several distinct CD4+T cell subtypes are programmed in obese asthma for CDC42 upregulation, Th1 inflammation, and steroid resistance, and together contribute to obese asthma phenotype. Summary CD4+T cells from obese children with asthma are distinctly programmed for non-allergic immune responses, steroid resistance and inflammasome activation, that underlie the obese asthma phenotype.
Collapse
|
2
|
Liu Q, Zhang Y. Biological Clock Perspective in Rheumatoid Arthritis. Inflammation 2024:10.1007/s10753-024-02120-4. [PMID: 39126449 DOI: 10.1007/s10753-024-02120-4] [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: 02/17/2024] [Revised: 06/13/2024] [Accepted: 08/01/2024] [Indexed: 08/12/2024]
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by systemic polyarticular pain, and its main pathological features include inflammatory cell infiltration, synovial fibroblast proliferation, and cartilage erosion. Immune cells, synovial cells and neuroendocrine factors play pivotal roles in the pathophysiological mechanism underlying rheumatoid arthritis. Biological clock genes regulate immune cell functions, which is linked to rhythmic changes in arthritis pathology. Additionally, the interaction between biological clock genes and neuroendocrine factors is also involved in rhythmic changes in rheumatoid arthritis. This review provides an overview of the contributions of circadian rhythm genes to RA pathology, including their interaction with the immune system and their involvement in regulating the secretion and function of neuroendocrine factors. A molecular understanding of the role of the circadian rhythm in RA may offer insights for effective disease management.
Collapse
Affiliation(s)
- Qingxue Liu
- Gengjiu Clinical College of Anhui Medical University; Anhui Zhongke Gengjiu Hospital, Hefei, 230051, China
| | - Yihao Zhang
- Department of Health Inspection and Quarantine, School of Public Health, Anhui Medical University, 81 Meishan Rd, Hefei, 230032, China.
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei, 230032, China.
| |
Collapse
|
3
|
Li S, Huo C, Liu A, Zhu Y. Mitochondria: a breakthrough in combating rheumatoid arthritis. Front Med (Lausanne) 2024; 11:1439182. [PMID: 39161412 PMCID: PMC11330793 DOI: 10.3389/fmed.2024.1439182] [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: 05/27/2024] [Accepted: 07/26/2024] [Indexed: 08/21/2024] Open
Abstract
As a chronic autoimmune disease with complex aetiology, rheumatoid arthritis (RA) has been demonstrated to be associated with mitochondrial dysfunction since mitochondrial dysfunction can affect the survival, activation, and differentiation of immune and non-immune cells involved in the pathogenesis of RA. Nevertheless, the mechanism behind mitochondrial dysfunction in RA remains uncertain. Accordingly, this review addresses the possible role and mechanisms of mitochondrial dysfunction in RA and discusses the potential and challenges of mitochondria as a potential therapeutic strategy for RA, thereby providing a breakthrough point in the prevention and treatment of RA.
Collapse
Affiliation(s)
- Shuang Li
- Graduate School of Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Chenlu Huo
- Graduate School of Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Anting Liu
- Graduate School of Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Yan Zhu
- Department of Geriatrics, The Second Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, China
| |
Collapse
|
4
|
Lin L, Ren R, Xiong Q, Zheng C, Yang B, Wang H. Remodeling of T-cell mitochondrial metabolism to treat autoimmune diseases. Autoimmun Rev 2024:103583. [PMID: 39084278 DOI: 10.1016/j.autrev.2024.103583] [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: 05/06/2024] [Revised: 07/23/2024] [Accepted: 07/24/2024] [Indexed: 08/02/2024]
Abstract
T cells are key drivers of the pathogenesis of autoimmune diseases by producing cytokines, stimulating the generation of autoantibodies, and mediating tissue and cell damage. Distinct mitochondrial metabolic pathways govern the direction of T-cell differentiation and function and rely on specific nutrients and metabolic enzymes. Metabolic substrate uptake and mitochondrial metabolism form the foundational elements for T-cell activation, proliferation, differentiation, and effector function, contributing to the dynamic interplay between immunological signals and mitochondrial metabolism in coordinating adaptive immunity. Perturbations in substrate availability and enzyme activity may impair T-cell immunosuppressive function, fostering autoreactive responses and disrupting immune homeostasis, ultimately contributing to autoimmune disease pathogenesis. A growing body of studies has explored how metabolic processes regulate the function of diverse T-cell subsets in autoimmune diseases such as systemic lupus erythematosus (SLE), multiple sclerosis (MS), autoimmune hepatitis (AIH), inflammatory bowel disease (IBD), and psoriasis. This review describes the coordination of T-cell biology by mitochondrial metabolism, including the electron transport chain (ETC), oxidative phosphorylation, amino acid metabolism, fatty acid metabolism, and one‑carbon metabolism. This study elucidated the intricate crosstalk between mitochondrial metabolic programs, signal transduction pathways, and transcription factors. This review summarizes potential therapeutic targets for T-cell mitochondrial metabolism and signaling in autoimmune diseases, providing insights for future studies.
Collapse
Affiliation(s)
- Liyan Lin
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China; Sichuan Clinical Research Center for Laboratory Medicine, Chengdu 610041, China; Laboratory Medicine Research Center of West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ruyu Ren
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China; Sichuan Clinical Research Center for Laboratory Medicine, Chengdu 610041, China; Laboratory Medicine Research Center of West China Hospital, Sichuan University, Chengdu 610041, China
| | - Qiao Xiong
- Department of Infectious Disease, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Chunfu Zheng
- Department of Microbiology, Immunology & Infection Diseases, University of Calgary, Calgary, Alberta, Canada.
| | - Bin Yang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China; Sichuan Clinical Research Center for Laboratory Medicine, Chengdu 610041, China; Laboratory Medicine Research Center of West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Huiqing Wang
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu 610041, China.
| |
Collapse
|
5
|
Fu L, Upadhyay R, Pokrovskii M, Romero-Meza G, Griesemer A, Littman DR. RORγt-dependent antigen-presenting cells direct regulatory T cell-mediated tolerance to food antigen. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.23.604803. [PMID: 39091750 PMCID: PMC11291166 DOI: 10.1101/2024.07.23.604803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
The gastrointestinal tract is continuously exposed to foreign antigens in food and commensal microbes with potential to induce adaptive immune responses. Peripherally induced T regulatory (pTreg) cells are essential for mitigating inflammatory responses to these agents1-4. While RORγt+ antigen-presenting cells (RORγt-APCs) were shown to program gut microbiota-specific pTregs5-7, understanding of their characteristics remains incomplete, and the APC subset responsible for food tolerance has remained elusive. Here, we demonstrate that RORγt-APCs are similarly required for differentiation of food antigen-specific pTregs and establishment of oral tolerance. The ability of these cells to direct both food and microbiota-specific pTreg cell differentiation is contingent on expression of RORγt and on a unique cis-regulatory element within the Rorc gene locus (Rorc(t) +7kb). Absent this +7kb element, there was a notable increase in food antigen-specific T helper 2 (Th2) cells in lieu of pTregs, leading to compromised tolerance in a mouse asthma model. By employing single-cell analyses across these models, as well as freshly resected mesenteric lymph nodes from a human organ donor, we identified a rare subset of evolutionarily conserved APCs that are dependent on RORγt, uniquely express the Prdm16 transcription factor, and are endowed with essential mediators for inducing pTreg cell differentiation. Our findings suggest that a better understanding of how RORγt-APCs develop and how they regulate T cell responses to food and microbial antigens could offer new insights into developing therapeutic strategies for autoimmune and allergic diseases as well as organ transplant tolerance.
Collapse
Affiliation(s)
- Liuhui Fu
- Department of Cell Biology, New York University School of Medicine, New York, NY, USA
| | - Rabi Upadhyay
- Department of Cell Biology, New York University School of Medicine, New York, NY, USA
- Perlmutter Cancer Center, NYU Langone Health, New York, NY, USA
| | - Maria Pokrovskii
- Department of Cell Biology, New York University School of Medicine, New York, NY, USA
- Calico Life Sciences, LLC, South San Francisco, CA, USA
| | - Gabriela Romero-Meza
- Department of Cell Biology, New York University School of Medicine, New York, NY, USA
- Howard Hughes Medical Institute, New York, NY, USA
| | - Adam Griesemer
- NYU Langone Transplant Institute, NYU Langone Health, New York, NY, USA
| | - Dan R. Littman
- Department of Cell Biology, New York University School of Medicine, New York, NY, USA
- Perlmutter Cancer Center, NYU Langone Health, New York, NY, USA
- Howard Hughes Medical Institute, New York, NY, USA
| |
Collapse
|
6
|
Kalim UU, Biradar R, Junttila S, Khan MM, Tripathi S, Khan MH, Smolander J, Kanduri K, Envall T, Laiho A, Marson A, Rasool O, Elo LL, Lahesmaa R. A proximal enhancer regulates RORA expression during early human Th17 cell differentiation. Clin Immunol 2024; 264:110261. [PMID: 38788884 DOI: 10.1016/j.clim.2024.110261] [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: 01/10/2024] [Revised: 04/19/2024] [Accepted: 05/21/2024] [Indexed: 05/26/2024]
Abstract
Gene regulatory elements, such as enhancers, greatly influence cell identity by tuning the transcriptional activity of specific cell types. Dynamics of enhancer landscape during early human Th17 cell differentiation remains incompletely understood. Leveraging ATAC-seq-based profiling of chromatin accessibility and comprehensive analysis of key histone marks, we identified a repertoire of enhancers that potentially exert control over the fate specification of Th17 cells. We found 23 SNPs associated with autoimmune diseases within Th17-enhancers that precisely overlapped with the binding sites of transcription factors actively engaged in T-cell functions. Among the Th17-specific enhancers, we identified an enhancer in the intron of RORA and demonstrated that this enhancer positively regulates RORA transcription. Moreover, CRISPR-Cas9-mediated deletion of a transcription factor binding site-rich region within the identified RORA enhancer confirmed its role in regulating RORA transcription. These findings provide insights into the potential mechanism by which the RORA enhancer orchestrates Th17 differentiation.
Collapse
Affiliation(s)
- Ubaid Ullah Kalim
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; InFLAMES Research Flagship Center, University of Turku, Turku, Finland.
| | - Rahul Biradar
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; InFLAMES Research Flagship Center, University of Turku, Turku, Finland
| | - Sini Junttila
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; InFLAMES Research Flagship Center, University of Turku, Turku, Finland
| | - Mohd Moin Khan
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Subhash Tripathi
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Meraj Hasan Khan
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Johannes Smolander
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; InFLAMES Research Flagship Center, University of Turku, Turku, Finland
| | - Kartiek Kanduri
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Tapio Envall
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Asta Laiho
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; InFLAMES Research Flagship Center, University of Turku, Turku, Finland
| | - Alexander Marson
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA 94158, USA; Department of Medicine, University of California San Francisco, San Francisco, CA 94143, USA
| | - Omid Rasool
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; InFLAMES Research Flagship Center, University of Turku, Turku, Finland
| | - Laura L Elo
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; InFLAMES Research Flagship Center, University of Turku, Turku, Finland; Institute of Biomedicine, University of Turku, Turku, Finland
| | - Riitta Lahesmaa
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; InFLAMES Research Flagship Center, University of Turku, Turku, Finland; Institute of Biomedicine, University of Turku, Turku, Finland.
| |
Collapse
|
7
|
Fan G, Li G, Li L, Da Y. Pin1 maintains the effector program of pathogenic Th17 cells in autoimmune neuroinflammation. J Autoimmun 2024; 147:103262. [PMID: 38833897 DOI: 10.1016/j.jaut.2024.103262] [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: 02/05/2024] [Revised: 04/25/2024] [Accepted: 05/21/2024] [Indexed: 06/06/2024]
Abstract
Th17 cells mediated immune response is the basis of a variety of autoimmune diseases, including multiple sclerosis and its mouse model of immune aspects, experimental autoimmune encephalomyelitis (EAE). The gene network that drives both the development of Th17 and the expression of its effector program is dependent on the transcription factor RORγt. In this report, we showed that Peptidylprolyl Cis/Trans Isomerase, NIMA-Interacting 1 (Pin1) formed a complex with RORγt, and enhanced its transactivation activity, thus sustained the expression of the effector genes as well as RORγt in the EAE-pathogenic Th17 cells. We first found out that PIN1 was highly expressed in the samples from patients of multiple sclerosis, and the expression of Pin1 by the infiltrating lymphocytes in the central nerve system of EAE mice was elevated as well. An array of experiments with transgenic mouse models, cellular and molecular assays was included in the study to elucidate the role of Pin1 in the pathology of EAE. It turned out that Pin1 promoted the activation and maintained the effector program of EAE-pathogenic Th17 cells in the inflammation foci, but had little effect on the priming of Th17 cells in the draining lymph nodes. Mechanistically, Pin1 stabilized the phosphorylation of STAT3 induced by proinflammatory stimuli, and interacted with STAT3 in the nucleus of Th17 cells, which resulted in the increased expression of Rorc. Moreover, Pin1 formed a complex with RORγt, and enhanced the transactivation of RORγt to the +11 kb enhancer of Rorc, which enforced and maintained the expression of both Rorc and the effector program of pathogenic Th17 cells in EAE. Finally, the inhibition of Pin1, by genetic knockdown or by small molecule inhibitor, deceased the population of Th17 cells and the neuroinflammation, and alleviated the symptoms of EAE. These findings suggest that Pin1 is a potential therapeutic target for MS and other autoimmune inflammatory diseases.
Collapse
MESH Headings
- Th17 Cells/immunology
- Th17 Cells/metabolism
- Animals
- NIMA-Interacting Peptidylprolyl Isomerase/metabolism
- NIMA-Interacting Peptidylprolyl Isomerase/genetics
- Encephalomyelitis, Autoimmune, Experimental/immunology
- Encephalomyelitis, Autoimmune, Experimental/metabolism
- Mice
- Nuclear Receptor Subfamily 1, Group F, Member 3/metabolism
- Nuclear Receptor Subfamily 1, Group F, Member 3/genetics
- Humans
- Multiple Sclerosis/immunology
- STAT3 Transcription Factor/metabolism
- Disease Models, Animal
- Mice, Transgenic
- Mice, Inbred C57BL
- Female
Collapse
Affiliation(s)
- Guangyue Fan
- Tianjin Institute of Immunology, Key Laboratory of Immune Microenvironment and Disease of the Ministry of Education, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, State Key Laboratory of Experimental Hematology, Department of Immunology, Tianjin Medical University, Tianjin, 300070, China; Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300070, China
| | - Guangliang Li
- Tianjin Institute of Immunology, Key Laboratory of Immune Microenvironment and Disease of the Ministry of Education, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, State Key Laboratory of Experimental Hematology, Department of Immunology, Tianjin Medical University, Tianjin, 300070, China
| | - Long Li
- Tianjin Institute of Immunology, Key Laboratory of Immune Microenvironment and Disease of the Ministry of Education, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, State Key Laboratory of Experimental Hematology, Department of Immunology, Tianjin Medical University, Tianjin, 300070, China; Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300070, China.
| | - Yurong Da
- Tianjin Institute of Immunology, Key Laboratory of Immune Microenvironment and Disease of the Ministry of Education, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, State Key Laboratory of Experimental Hematology, Department of Immunology, Tianjin Medical University, Tianjin, 300070, China.
| |
Collapse
|
8
|
Han B, Shi L, Bao MY, Yu FL, Zhang Y, Lu XY, Wang Y, Li DX, Lin JC, Jia W, Li X, Zhang Y. Dietary ellagic acid therapy for CNS autoimmunity: Targeting on Alloprevotella rava and propionate metabolism. MICROBIOME 2024; 12:114. [PMID: 38915127 PMCID: PMC11194905 DOI: 10.1186/s40168-024-01819-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 04/19/2024] [Indexed: 06/26/2024]
Abstract
BACKGROUND Mediterranean diet rich in polyphenolic compounds holds great promise to prevent and alleviate multiple sclerosis (MS), a central nervous system autoimmune disease associated with gut microbiome dysbiosis. Health-promoting effects of natural polyphenols with low bioavailability could be attributed to gut microbiota reconstruction. However, its underlying mechanism of action remains elusive, resulting in rare therapies have proposed for polyphenol-targeted modulation of gut microbiota for the treatment of MS. RESULTS We found that oral ellagic acid (EA), a natural polyphenol rich in the Mediterranean diet, effectively halted the progression of experimental autoimmune encephalomyelitis (EAE), the animal model of MS, via regulating a microbiota-metabolites-immunity axis. EA remodeled the gut microbiome composition and particularly increased the relative abundances of short-chain fatty acids -producing bacteria like Alloprevotella. Propionate (C3) was most significantly up-regulated by EA, and integrative modeling revealed a strong negative correlation between Alloprevotella or C3 and the pathological symptoms of EAE. Gut microbiota depletion negated the alleviating effects of EA on EAE, whereas oral administration of Alloprevotella rava mimicked the beneficial effects of EA on EAE. Moreover, EA directly promoted Alloprevotella rava (DSM 22548) growth and C3 production in vitro. The cell-free supernatants of Alloprevotella rava co-culture with EA suppressed Th17 differentiation by modulating acetylation in cell models. C3 can alleviate EAE development, and the mechanism may be through inhibiting HDAC activity and up-regulating acetylation thereby reducing inflammatory cytokines secreted by pathogenic Th17 cells. CONCLUSIONS Our study identifies EA as a novel and potentially effective prebiotic for improving MS and other autoimmune diseases via the microbiota-metabolites-immunity axis. Video Abstract.
Collapse
Affiliation(s)
- Bing Han
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Lin Shi
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an, China
| | - Ming-Yue Bao
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Feng-Lin Yu
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Yan Zhang
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Xin-Yu Lu
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; College of Life Sciences, Shaanxi Normal University, Xi'an, China
- School of Medical Technology, Xi'an Medical University, Xi'an, 710021, Shaanxi, China
| | - Yang Wang
- Metabo-Profile Biotechnology (Shanghai) Co. Ltd, Shanghai, 201315, China
| | - Dong-Xiao Li
- Metabo-Profile Biotechnology (Shanghai) Co. Ltd, Shanghai, 201315, China
| | - Jing-Chao Lin
- Metabo-Profile Biotechnology (Shanghai) Co. Ltd, Shanghai, 201315, China
| | - Wei Jia
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China.
| | - Xing Li
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; College of Life Sciences, Shaanxi Normal University, Xi'an, China.
| | - Yuan Zhang
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; College of Life Sciences, Shaanxi Normal University, Xi'an, China.
| |
Collapse
|
9
|
Wu Z, Liu X, Huang W, Chen J, Li S, Chao J, Xie J, Liu L, Yang Y, Wu X, Qiu H. CIRP increases Foxp3 + regulatory T cells and inhibits development of Th17 cells by enhancing TLR4-IL-2 signaling in the late phase of sepsis. Int Immunopharmacol 2024; 132:111924. [PMID: 38531201 DOI: 10.1016/j.intimp.2024.111924] [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: 01/27/2024] [Revised: 03/14/2024] [Accepted: 03/21/2024] [Indexed: 03/28/2024]
Abstract
BACKGROUND T helper (Th) cell imbalances have been associated with the pathophysiology of sepsis, including the Th1/Th2 and Th17/T regulatory cells (Treg) paradigms. Cold-inducible RNA-binding protein (CIRP), a novel damage-associated molecular pattern (DAMP) was reported that could induce T cell activation, and skew CD4+ T cells towards a Th1 profile. However, the effect and underlying mechanisms of CIRP on Th17/Treg differentiation in sepsis still remains unknown. METHODS A prospective exploratory study including patients with sepsis was conducted. Blood samples were collected from patients on days 0, 3 and 7 on admission. The serum CIRP and peripheral blood Treg/Th17 percentage was determined by ELISA and flow cytometry. CD4+ T cells from the spleen and lymph nodes of mice with experimental sepsis were collected after treatment with normal saline (NS), recombinant murine CIRP (rmCIRP) and C23 (an antagonist for CIRP-TLR4) at late stage of sepsis. RNA-seq was conducted to reveal the pivotal molecular mechanism of CIRP on Treg/Th17 differentiation. Naïve CD4+ T cell was isolated from the Tlr4 null and wildtype mice in the presence or absence rmCIRP and C23 to confirmed above findings. RESULTS A total of 19 patients with sepsis finally completed the study. Serum CIRP levels remained high in the majority of patients up to 1 week after admittance was closely associated with high Treg/Th17 ratio of peripheral blood and poor outcome. A univariate logistic analysis demonstrated that higher CIRP concentration at Day 7 is an independent risk factor for Treg/Th17 ratio increasing. CIRP promotes Treg development and suppresses Th17 differentiation was found both in vivo and in vitro. Pretreated with C23 not only alleviated the majority of negative effect of CIRP on Th17 differentiation, but also inhibited Treg differentiation, to some extent. Tlr4 deficiency could abolish almost all downstream effects of rmCIRP. Furthermore, IL-2 is proved a key downstream molecules of the effect CIRP, which also could amplify the activated CD4+ T lymphocytes. CONCLUSIONS Persistent high circulating CIRP level may lead to Treg/Th17 ratio elevated through TLR4 and subsequent active IL-2 signaling which contribute to immunosuppression during late phases of sepsis.
Collapse
Affiliation(s)
- Zongsheng Wu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Xu Liu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Wei Huang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Jing Chen
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Songli Li
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Jie Chao
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Jianfeng Xie
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Ling Liu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Yi Yang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Xiaojing Wu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China.
| | - Haibo Qiu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China.
| |
Collapse
|
10
|
Zhang S, Zhong R, Tang S, Chen L, Zhang H. Metabolic regulation of the Th17/Treg balance in inflammatory bowel disease. Pharmacol Res 2024; 203:107184. [PMID: 38615874 DOI: 10.1016/j.phrs.2024.107184] [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: 01/08/2024] [Revised: 03/28/2024] [Accepted: 04/11/2024] [Indexed: 04/16/2024]
Abstract
Inflammatory bowel disease (IBD) is a long-lasting and inflammatory autoimmune condition affecting the gastrointestinal tract, impacting millions of individuals globally. The balance between T helper 17 (Th17) cells and regulatory T cells (Tregs) is pivotal in the pathogenesis and progression of IBD. This review summarizes the pivotal role of Th17/Treg balance in maintaining intestinal homeostasis, elucidating how its dysregulation contributes to the development and exacerbation of IBD. It comprehensively synthesizes the current understanding of how dietary factors regulate the metabolic pathways influencing Th17 and Treg cell differentiation and function. Additionally, this review presents evidence from the literature on the potential of dietary regimens to regulate the Th17/Treg balance as a strategy for the management of IBD. By exploring the intersection between diet, metabolic regulation, and Th17/Treg balance, the review reveals innovative therapeutic approaches for IBD treatment, offering a promising perspective for future research and clinical practice.
Collapse
Affiliation(s)
- Shunfen Zhang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Ruqing Zhong
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Shanlong Tang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Liang Chen
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Hongfu Zhang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| |
Collapse
|
11
|
Racine JJ, Bachman JF, Zhang JG, Misherghi A, Khadour R, Kaisar S, Bedard O, Jenkins C, Abbott A, Forte E, Rainer P, Rosenthal N, Sattler S, Serreze DV. Murine MHC-Deficient Nonobese Diabetic Mice Carrying Human HLA-DQ8 Develop Severe Myocarditis and Myositis in Response to Anti-PD-1 Immune Checkpoint Inhibitor Cancer Therapy. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1287-1306. [PMID: 38426910 PMCID: PMC10984778 DOI: 10.4049/jimmunol.2300841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/08/2024] [Indexed: 03/02/2024]
Abstract
Myocarditis has emerged as an immune-related adverse event of immune checkpoint inhibitor (ICI) cancer therapy associated with significant mortality. To ensure patients continue to safely benefit from life-saving cancer therapy, an understanding of fundamental immunological phenomena underlying ICI myocarditis is essential. We recently developed the NOD-cMHCI/II-/-.DQ8 mouse model that spontaneously develops myocarditis with lower mortality than observed in previous HLA-DQ8 NOD mouse strains. Our strain was rendered murine MHC class I and II deficient using CRISPR/Cas9 technology, making it a genetically clean platform for dissecting CD4+ T cell-mediated myocarditis in the absence of classically selected CD8+ T cells. These mice are highly susceptible to myocarditis and acute heart failure following anti-PD-1 ICI-induced treatment. Additionally, anti-PD-1 administration accelerates skeletal muscle myositis. Using histology, flow cytometry, adoptive transfers, and RNA sequencing analyses, we performed a thorough characterization of cardiac and skeletal muscle T cells, identifying shared and unique characteristics of both populations. Taken together, this report details a mouse model with features of a rare, but highly lethal clinical presentation of overlapping myocarditis and myositis following ICI therapy. This study sheds light on underlying immunological mechanisms in ICI myocarditis and provides the basis for further detailed analyses of diagnostic and therapeutic strategies.
Collapse
Affiliation(s)
| | | | | | - Adel Misherghi
- The Jackson Laboratory, Bar Harbor, Maine, USA
- College of the Atlantic, Bar Harbor, Maine, USA
| | - Raheem Khadour
- The Jackson Laboratory, Bar Harbor, Maine, USA
- College of the Atlantic, Bar Harbor, Maine, USA
| | | | | | | | | | | | - Peter Rainer
- Medical University of Graz, Graz, 8053 Austria
- BioTechMed Graz, Graz, Austria
- BKH St. Johann in Tirol, 6380 St. Johann in Tirol, Austria
| | - Nadia Rosenthal
- The Jackson Laboratory, Bar Harbor, Maine, USA
- Imperial College London, London SW7 2AZ, UK
| | - Susanne Sattler
- Imperial College London, London SW7 2AZ, UK
- Medical University of Graz, Graz, 8053 Austria
| | | |
Collapse
|
12
|
Han P, Tang J, Xu X, Meng P, Wu K, Sun B, Song X. Identification of the grass carp interleukin-23 receptor and its proinflammatory role in intestinal inflammation. Int J Biol Macromol 2024; 265:130946. [PMID: 38521334 DOI: 10.1016/j.ijbiomac.2024.130946] [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: 01/31/2024] [Revised: 03/14/2024] [Accepted: 03/14/2024] [Indexed: 03/25/2024]
Abstract
The interleukin 23 receptor (IL-23R) is associated with a variety of inflammatory diseases in humans and other mammals. However, whether IL-23R is involved in inflammatory diseases in teleost fish is less understood. Thus, to investigate the potential involvement of IL-23R in fish inflammatory diseases, the full-length cDNA of IL-23R from grass carp Ctenopharyngodon idella was cloned and used to generate a recombinant protein (rgcIL-23R) containing the extracellular domain of IL-23R, against which a polyclonal antibody (rgcIL-23R pAb) was then developed. qPCR analysis revealed that IL-23R mRNA was significantly upregulated in most grass carp tissues in response to infection with Gram-negative Aeromonas hydrophila. Treatment with rgcIL-23R significantly induced IL-17A/F1 expression in C. idella kidney (CIK) cells. By contrast, knockdown of IL-23R caused significant decreases in IL-23R, STAT3, and IL-17N expression in CIK cells after lipopolysaccharide (LPS) stimulation. Similarly, rgcIL-23R pAb treatment effectively inhibited the LPS-induced increase in the expression of IL-23 subunit genes and those of the IL-23/IL-17 pathway in CIK cells. Furthermore, intestinal symptoms identical to those caused by A. hydrophila were induced by anal intubation with rgcIL-23R, but suppressed by rgcIL-23R pAb. Therefore, these results suggest that IL-23R has a crucial role in the regulation of intestinal inflammation and, thus, is a promising target for controlling inflammatory diseases in farmed fish.
Collapse
Affiliation(s)
- Panpan Han
- School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, Jiangsu Province, China
| | - Jian Tang
- School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, Jiangsu Province, China
| | - Xufang Xu
- School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, Jiangsu Province, China
| | - Pengkun Meng
- School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, Jiangsu Province, China
| | - Kang Wu
- School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, Jiangsu Province, China
| | - Bingyao Sun
- School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, Jiangsu Province, China.
| | - Xuehong Song
- School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, Jiangsu Province, China.
| |
Collapse
|
13
|
Najar M, Rahmani S, Faour WH, Alsabri SG, Lombard CA, Fayyad-Kazan H, Sokal EM, Merimi M, Fahmi H. Umbilical Cord Mesenchymal Stromal/Stem Cells and Their Interplay with Th-17 Cell Response Pathway. Cells 2024; 13:169. [PMID: 38247860 PMCID: PMC10814115 DOI: 10.3390/cells13020169] [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: 11/14/2023] [Revised: 12/30/2023] [Accepted: 01/09/2024] [Indexed: 01/23/2024] Open
Abstract
As a form of immunomodulatory therapeutics, mesenchymal stromal/stem cells (MSCs) from umbilical cord (UC) tissue were assessed for their dynamic interplay with the Th-17 immune response pathway. UC-MSCs were able to modulate lymphocyte response by promoting a Th-17-like profile. Such modulation depended on the cell ratio of the cocultures as well as the presence of an inflammatory setting underlying their plasticity. UC-MSCs significantly increased the expression of IL-17A and RORγt but differentially modulated T cell expression of IL-23R. In parallel, the secretion profile of the fifteen factors (IL1β, IL-4, IL-6, IL-10, IL-17A, IL-17F, IL-22, IL-21, IL-23, IL-25, IL-31, IL-33, INF-γ, sCD40, and TNF-α) involved in the Th-17 immune response pathway was substantially altered during these cocultures. The modulation of these factors demonstrates the capacity of UC-MSCs to sense and actively respond to tissue challenges. Protein network and functional enrichment analysis indicated that several biological processes, molecular functions, and cellular components linked to distinct Th-17 signaling interactions are involved in several trophic, inflammatory, and immune network responses. These immunological changes and interactions with the Th-17 pathway are likely critical to tissue healing and may help to identify molecular targets that will improve therapeutic strategies involving UC-MSCs.
Collapse
Affiliation(s)
- Mehdi Najar
- Osteoarthritis Research Unit, Department of Medicine, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC H2X 0A9, Canada
- Faculty of Medicine, Université Libre de Bruxelles, 1070 Brussels, Belgium
| | - Saida Rahmani
- LBBES Laboratory, Genetics and Immune Cell Therapy Unit, Faculty of Sciences, University Mohammed Premier, Oujda 60000, Morocco
| | - Wissam H. Faour
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, P.O. Box 36, Byblos 5053, Lebanon
| | - Sami G. Alsabri
- Osteoarthritis Research Unit, Department of Medicine, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC H2X 0A9, Canada
| | - Catherine A. Lombard
- Laboratory of Pediatric Hepatology and Cell Therapy, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Hussein Fayyad-Kazan
- Laboratory of Cancer Biology and Molecular Immunology, Faculty of Sciences-I, Lebanese University, P.O. Box 6573/14, Beirut 1103, Lebanon
| | - Etienne M. Sokal
- Laboratory of Pediatric Hepatology and Cell Therapy, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Makram Merimi
- LBBES Laboratory, Genetics and Immune Cell Therapy Unit, Faculty of Sciences, University Mohammed Premier, Oujda 60000, Morocco
| | - Hassan Fahmi
- Osteoarthritis Research Unit, Department of Medicine, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC H2X 0A9, Canada
| |
Collapse
|
14
|
Mezghiche I, Yahia-Cherbal H, Rogge L, Bianchi E. Interleukin 23 receptor: Expression and regulation in immune cells. Eur J Immunol 2024; 54:e2250348. [PMID: 37837262 DOI: 10.1002/eji.202250348] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/15/2023]
Abstract
The importance of IL-23 and its specific receptor, IL-23R, in the pathogenesis of several chronic inflammatory diseases has been established, but the underlying pathological mechanisms are not fully understood. This review focuses on IL-23R expression and regulation in immune cells.
Collapse
Affiliation(s)
| | | | - Lars Rogge
- Institut Pasteur, Université Paris Cité, Paris, France
| | | |
Collapse
|
15
|
Yan M, Man S, Sun B, Ma L, Guo L, Huang L, Gao W. Gut liver brain axis in diseases: the implications for therapeutic interventions. Signal Transduct Target Ther 2023; 8:443. [PMID: 38057297 PMCID: PMC10700720 DOI: 10.1038/s41392-023-01673-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 09/10/2023] [Accepted: 09/28/2023] [Indexed: 12/08/2023] Open
Abstract
Gut-liver-brain axis is a three-way highway of information interaction system among the gastrointestinal tract, liver, and nervous systems. In the past few decades, breakthrough progress has been made in the gut liver brain axis, mainly through understanding its formation mechanism and increasing treatment strategies. In this review, we discuss various complex networks including barrier permeability, gut hormones, gut microbial metabolites, vagus nerve, neurotransmitters, immunity, brain toxic metabolites, β-amyloid (Aβ) metabolism, and epigenetic regulation in the gut-liver-brain axis. Some therapies containing antibiotics, probiotics, prebiotics, synbiotics, fecal microbiota transplantation (FMT), polyphenols, low FODMAP diet and nanotechnology application regulate the gut liver brain axis. Besides, some special treatments targeting gut-liver axis include farnesoid X receptor (FXR) agonists, takeda G protein-coupled receptor 5 (TGR5) agonists, glucagon-like peptide-1 (GLP-1) receptor antagonists and fibroblast growth factor 19 (FGF19) analogs. Targeting gut-brain axis embraces cognitive behavioral therapy (CBT), antidepressants and tryptophan metabolism-related therapies. Targeting liver-brain axis contains epigenetic regulation and Aβ metabolism-related therapies. In the future, a better understanding of gut-liver-brain axis interactions will promote the development of novel preventative strategies and the discovery of precise therapeutic targets in multiple diseases.
Collapse
Affiliation(s)
- Mengyao Yan
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, 300457, Tianjin, China
| | - Shuli Man
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, 300457, Tianjin, China.
| | - Benyue Sun
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, 300457, Tianjin, China
| | - Long Ma
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, 300457, Tianjin, China
| | - Lanping Guo
- National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, 100700, Beijing, China.
| | - Luqi Huang
- National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, 100700, Beijing, China
| | - Wenyuan Gao
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Weijin Road, 300072, Tianjin, China.
| |
Collapse
|
16
|
Narsale A, Almanza F, Tran T, Lam B, Seo D, Vu A, Long SA, Cooney L, Serti E, Davies JD. Th2 cell clonal expansion at diagnosis in human type 1 diabetes. Clin Immunol 2023; 257:109829. [PMID: 37907122 DOI: 10.1016/j.clim.2023.109829] [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: 08/27/2023] [Revised: 10/26/2023] [Accepted: 10/27/2023] [Indexed: 11/02/2023]
Abstract
Soon after diagnosis with type 1 diabetes (T1D), many patients experience a period of partial remission. A longer partial remission is associated with a better response to treatment, but the mechanism is not known. The frequency of CD4+CD25+CD127hi (127-hi) cells, a cell subset with an anti-inflammatory Th2 bias, correlates positively with length of partial remission. The purpose of this study was to further characterize the nature of the Th2 bias in 127-hi cells. Single cell RNA sequencing paired with TCR sequencing of sorted 127-hi memory cells identifies clonally expanded Th2 clusters in 127-hi cells from T1D, but not from healthy donors. The Th2 clusters express GATA3, GATA3-AS1, PTGDR2, IL17RB, IL4R and IL9R. The existence of 127-hi Th2 cell clonal expansion in T1D suggests that disease factors may induce clonal expansion of 127-hi Th2 cells that prolong partial remission and delay disease progression.
Collapse
Affiliation(s)
- Aditi Narsale
- San Diego Biomedical Research Institute, 3525 John Hopkins Court, San Diego, CA 92121, USA.
| | - Francisco Almanza
- San Diego Biomedical Research Institute, 3525 John Hopkins Court, San Diego, CA 92121, USA.
| | - Theo Tran
- San Diego Biomedical Research Institute, 3525 John Hopkins Court, San Diego, CA 92121, USA
| | - Breanna Lam
- San Diego Biomedical Research Institute, 3525 John Hopkins Court, San Diego, CA 92121, USA.
| | - David Seo
- San Diego Biomedical Research Institute, 3525 John Hopkins Court, San Diego, CA 92121, USA
| | - Alisa Vu
- San Diego Biomedical Research Institute, 3525 John Hopkins Court, San Diego, CA 92121, USA.
| | - S Alice Long
- Benaroya Research Institute, 1201 9(th) Ave, Seattle, WA 98101, USA.
| | | | | | - Joanna D Davies
- San Diego Biomedical Research Institute, 3525 John Hopkins Court, San Diego, CA 92121, USA.
| |
Collapse
|
17
|
Cook ME, Shchukina I, Lin CC, Bradstreet TR, Schwarzkopf EA, Jarjour NN, Webber AM, Zaitsev K, Artyomov MN, Edelson BT. BHLHE40 Mediates Cross-Talk between Pathogenic TH17 Cells and Myeloid Cells during Experimental Autoimmune Encephalomyelitis. Immunohorizons 2023; 7:737-746. [PMID: 37934060 PMCID: PMC10695412 DOI: 10.4049/immunohorizons.2300042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 10/22/2023] [Indexed: 11/08/2023] Open
Abstract
TH17 cells are implicated in the pathogenesis of multiple sclerosis and experimental autoimmune encephalomyelitis (EAE). We previously reported that the transcription factor basic helix-loop-helix family member e40 (BHLHE40) marks cytokine-producing pathogenic TH cells during EAE, and that its expression in T cells is required for clinical disease. In this study, using dual reporter mice, we show BHLHE40 expression within TH1/17 and ex-TH17 cells following EAE induction. Il17a-Cre-mediated deletion of BHLHE40 in TH cells led to less severe EAE with reduced TH cell cytokine production. Characterization of the leukocytes in the CNS during EAE by single-cell RNA sequencing identified differences in the infiltrating myeloid cells when BHLHE40 was present or absent in TH17 cells. Our studies highlight the importance of BHLHE40 in promoting TH17 cell encephalitogenicity and instructing myeloid cell responses during active EAE.
Collapse
Affiliation(s)
- Melissa E. Cook
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Irina Shchukina
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Chih-Chung Lin
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Tara R. Bradstreet
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | | | - Nicholas N. Jarjour
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Ashlee M. Webber
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Konstantin Zaitsev
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Maxim N. Artyomov
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Brian T. Edelson
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| |
Collapse
|
18
|
Shahbazi R, Yasavoli-Sharahi H, Alsadi N, Sharifzad F, Fang S, Cuenin C, Cahais V, Chung FFL, Herceg Z, Matar C. Lentinula edodes Cultured Extract and Rouxiella badensis subsp. acadiensis (Canan SV-53) Intake Alleviates Immune Deregulation and Inflammation by Modulating Signaling Pathways and Epigenetic Mechanisms. Int J Mol Sci 2023; 24:14610. [PMID: 37834058 PMCID: PMC10572597 DOI: 10.3390/ijms241914610] [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: 08/22/2023] [Revised: 09/23/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
Puberty is a critical developmental period of life characterized by marked physiological changes, including changes in the immune system and gut microbiota development. Exposure to inflammation induced by immune stressors during puberty has been found to stimulate central inflammation and lead to immune disturbance at distant sites from the gut; however, its enduring effects on gut immunity are not well explored. Therefore, in this study, we used a pubertal lipopolysaccharides (LPS)-induced inflammation mouse model to mimic pubertal exposure to inflammation and dysbiosis. We hypothesized that pubertal LPS-induced inflammation may cause long-term dysfunction in gut immunity by enduring dysregulation of inflammatory signaling and epigenetic changes, while prebiotic/probiotic intake may mitigate the gut immune system deregulation later in life. To this end, four-week-old female Balb/c mice were fed prebiotics/probiotics and exposed to LPS in the pubertal window. To better decipher the acute and enduring immunoprotective effects of biotic intake, we addressed the effect of treatment on interleukin (IL)-17 signaling related-cytokines and pathways. In addition, the effect of treatment on gut microbiota and epigenetic alterations, including changes in microRNA (miRNA) expression and DNA methylation, were studied. Our results revealed a significant dysregulation in selected cytokines, proteins, and miRNAs involved in key signaling pathways related to IL-17 production and function, including IL-17A and F, IL-6, IL-1β, transforming growth factor-β (TGF-β), signal transducer and activator of transcription-3 (STAT3), p-STAT3, forkhead box O1 (FOXO1), and miR-145 in the small intestine of adult mice challenged with LPS during puberty. In contrast, dietary interventions mitigated the lasting adverse effects of LPS on gut immune function, partly through epigenetic mechanisms. A DNA methylation analysis demonstrated that enduring changes in gut immunity in adult mice might be linked to differentially methylated genes, including Lpb, Rorc, Runx1, Il17ra, Rac1, Ccl5, and Il10, involved in Th17 cell differentiation and IL-17 production and signaling. In addition, prebiotic administration prevented LPS-induced changes in the gut microbiota in pubertal mice. Together, these results indicate that following a healthy diet rich in prebiotics and probiotics is an optimal strategy for programming immune system function in the critical developmental windows of life and controlling inflammation later in life.
Collapse
Affiliation(s)
- Roghayeh Shahbazi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; (R.S.); (H.Y.-S.); (N.A.)
| | - Hamed Yasavoli-Sharahi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; (R.S.); (H.Y.-S.); (N.A.)
| | - Nawal Alsadi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; (R.S.); (H.Y.-S.); (N.A.)
| | - Farzaneh Sharifzad
- Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA;
| | - Sandra Fang
- Translational Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada;
| | - Cyrille Cuenin
- Epigenomics and Mechanisms Branch, International Agency for Research on Cancer (IARC), 25 Av. Tony Garnier, 69007 Lyon, France; (C.C.); (V.C.); (F.F.-L.C.); (Z.H.)
| | - Vincent Cahais
- Epigenomics and Mechanisms Branch, International Agency for Research on Cancer (IARC), 25 Av. Tony Garnier, 69007 Lyon, France; (C.C.); (V.C.); (F.F.-L.C.); (Z.H.)
| | - Felicia Fei-Lei Chung
- Epigenomics and Mechanisms Branch, International Agency for Research on Cancer (IARC), 25 Av. Tony Garnier, 69007 Lyon, France; (C.C.); (V.C.); (F.F.-L.C.); (Z.H.)
- Department of Medical Sciences, School of Medical and Life Sciences, Sunway University, Jalan Universiti, Bandar Sunway, Subang Jaya 47500, Selangor, Malaysia
| | - Zdenko Herceg
- Epigenomics and Mechanisms Branch, International Agency for Research on Cancer (IARC), 25 Av. Tony Garnier, 69007 Lyon, France; (C.C.); (V.C.); (F.F.-L.C.); (Z.H.)
| | - Chantal Matar
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; (R.S.); (H.Y.-S.); (N.A.)
- School of Nutrition, Faculty of Health Sciences, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| |
Collapse
|
19
|
Wang J, Zhao X, Wan YY. Intricacies of TGF-β signaling in Treg and Th17 cell biology. Cell Mol Immunol 2023; 20:1002-1022. [PMID: 37217798 PMCID: PMC10468540 DOI: 10.1038/s41423-023-01036-7] [Citation(s) in RCA: 41] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 04/27/2023] [Indexed: 05/24/2023] Open
Abstract
Balanced immunity is pivotal for health and homeostasis. CD4+ helper T (Th) cells are central to the balance between immune tolerance and immune rejection. Th cells adopt distinct functions to maintain tolerance and clear pathogens. Dysregulation of Th cell function often leads to maladies, including autoimmunity, inflammatory disease, cancer, and infection. Regulatory T (Treg) and Th17 cells are critical Th cell types involved in immune tolerance, homeostasis, pathogenicity, and pathogen clearance. It is therefore critical to understand how Treg and Th17 cells are regulated in health and disease. Cytokines are instrumental in directing Treg and Th17 cell function. The evolutionarily conserved TGF-β (transforming growth factor-β) cytokine superfamily is of particular interest because it is central to the biology of both Treg cells that are predominantly immunosuppressive and Th17 cells that can be proinflammatory, pathogenic, and immune regulatory. How TGF-β superfamily members and their intricate signaling pathways regulate Treg and Th17 cell function is a question that has been intensely investigated for two decades. Here, we introduce the fundamental biology of TGF-β superfamily signaling, Treg cells, and Th17 cells and discuss in detail how the TGF-β superfamily contributes to Treg and Th17 cell biology through complex yet ordered and cooperative signaling networks.
Collapse
Affiliation(s)
- Junying Wang
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Xingqi Zhao
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Yisong Y Wan
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA.
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA.
| |
Collapse
|
20
|
Xing J, Man C, Liu Y, Zhang Z, Peng H. Factors impacting the benefits and pathogenicity of Th17 cells in the tumor microenvironment. Front Immunol 2023; 14:1224269. [PMID: 37680632 PMCID: PMC10481871 DOI: 10.3389/fimmu.2023.1224269] [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: 05/17/2023] [Accepted: 08/07/2023] [Indexed: 09/09/2023] Open
Abstract
Tumor development is closely associated with a complex tumor microenvironment, which is composed of tumor cells, blood vessels, tumor stromal cells, infiltrating immune cells, and associated effector molecules. T helper type 17 (Th17) cells, which are a subset of CD4+ T cells and are renowned for their ability to combat bacterial and fungal infections and mediate inflammatory responses, exhibit context-dependent effector functions. Within the tumor microenvironment, different molecular signals regulate the proliferation, differentiation, metabolic reprogramming, and phenotypic conversion of Th17 cells. Consequently, Th17 cells exert dual effects on tumor progression and can promote or inhibit tumor growth. This review aimed to investigate the impact of various alterations in the tumor microenvironment on the antitumor and protumor effects of Th17 cells to provide valuable clues for the exploration of additional tumor immunotherapy strategies.
Collapse
Affiliation(s)
- Jie Xing
- Department of Laboratory Medicine, The Affiliated People’s Hospital of Jiangsu University, Zhenjiang, China
| | - Changfeng Man
- Department of Oncology, The Affiliated People’s Hospital of Jiangsu University, Zhenjiang, China
| | - Yingzhao Liu
- Department of Endocrinology, The Affiliated People’s Hospital of Jiangsu University, Zhenjiang, China
| | - Zhengdong Zhang
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China
- Department of Genetic Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Huiyong Peng
- Department of Laboratory Medicine, The Affiliated People’s Hospital of Jiangsu University, Zhenjiang, China
- Department of Genetic Toxicology, The Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| |
Collapse
|
21
|
Zhao X, Li N, Yang N, Mi B, Dang W, Sun D, Ma S, Nian H, Wei R. Thymosin β4 Alleviates Autoimmune Dacryoadenitis via Suppressing Th17 Cell Response. Invest Ophthalmol Vis Sci 2023; 64:3. [PMID: 37531112 PMCID: PMC10405860 DOI: 10.1167/iovs.64.11.3] [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: 02/13/2023] [Accepted: 07/10/2023] [Indexed: 08/03/2023] Open
Abstract
Purpose We investigated the therapeutic effect of recombinant thymosin β4 (rTβ4) on rabbit autoimmune dacryoadenitis, an animal model of SS dry eye, and explore its mechanisms. Methods Rabbits were treated topically with rTβ4 or PBS solution after disease onset for 28 days, and clinical scores were determined by assessing tear secretion, break-up time, fluorescein, hematoxylin and eosin staining, and periodic acid-Schiff. The expression of inflammatory mediators in the lacrimal glands were measured by real-time PCR. The expression of T helper 17 (Th17) cell-related transcription factors and cytokines were detected by real-time PCR and Western blotting. The molecular mechanism underlying the effects of rTβ4 on Th17 cell responses was investigated by Western blotting. Results Topical administration of rTβ4 after disease onset efficiently ameliorated the ocular surface inflammation and relieved the clinical symptoms. Further analysis revealed that rTβ4 treatment significantly inhibited the expression of Th17-related genes (RORC, IL-17A, IL-17F, IL-1R1, IL-23R, and granulocyte-macrophage colony-stimulating factor) and IL-17 protein in lacrimal glands, and meanwhile decreased the inflammatory mediators expression. Mechanistically, we demonstrated that rTβ4 repressed the phosphorylation of signal transducer and activator of transcription 3 (STAT3) both in vivo and in vitro. Activation of the STAT3 signal pathway by Colivelin partly reversed the suppressive effects of rTβ4 on IL-17 expression in vitro. Conclusions rTβ4 could alleviate ongoing autoimmune dacryoadenitis in rabbits, probably by suppressing Th17 response via partly affecting the STAT3 pathway. These data may provide a new insight into the therapeutic effect and mechanism of rTβ4 in dry eye associated with Sjögren's syndrome.
Collapse
Affiliation(s)
- Xiaoyu Zhao
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Na Li
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Ning Yang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Baoyue Mi
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Weiyu Dang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Deming Sun
- Doheny Eye Institute and Department of Ophthalmology, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, California, United States
| | - Shanshan Ma
- Beijing Northland Biotech. Co., Ltd., Beijing, China
| | - Hong Nian
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| | - Ruihua Wei
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, China
| |
Collapse
|
22
|
Hobson R, Levy SHS, Flaherty D, Xiao H, Ciener B, Reddy H, Singal C, Teich AF, Shneider NA, Bradshaw EM, Elyaman W. Clonal CD8 T cells in the leptomeninges are locally controlled and influence microglia in human neurodegeneration. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.13.548931. [PMID: 37503131 PMCID: PMC10369982 DOI: 10.1101/2023.07.13.548931] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Recent murine studies have highlighted a crucial role for the meninges in surveilling the central nervous system (CNS) and influencing CNS inflammation. However, how meningeal immunity is altered in human neurodegeneration and its potential effects on neuroinflammation is understudied. In the present study, we performed single-cell analysis of the transcriptomes and T cell receptor repertoire of 72,576 immune cells from 36 postmortem human brain and leptomeninges tissues from donors with neurodegenerative diseases including amyotrophic lateral sclerosis, Alzheimer's disease, and Parkinson's disease. We identified the meninges as an important site of antigen presentation and CD8 T cell activation and clonal expansion and found that T cell activation in the meninges is a requirement for infiltration into the CNS. We further found that natural killer cells have the potential to negatively regulate T cell activation locally in the meninges through direct killing and are one of many regulatory mechanisms that work to control excessive neuroinflammation.
Collapse
|
23
|
Friedman MJ, Lee H, Lee JY, Oh S. Transcriptional and Epigenetic Regulation of Context-Dependent Plasticity in T-Helper Lineages. Immune Netw 2023; 23:e5. [PMID: 36911799 PMCID: PMC9995996 DOI: 10.4110/in.2023.23.e5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 02/12/2023] [Accepted: 02/13/2023] [Indexed: 03/08/2023] Open
Abstract
Th cell lineage determination and functional specialization are tightly linked to the activation of lineage-determining transcription factors (TFs) that bind cis-regulatory elements. These lineage-determining TFs act in concert with multiple layers of transcriptional regulators to alter the epigenetic landscape, including DNA methylation, histone modification and three-dimensional chromosome architecture, in order to facilitate the specific Th gene expression programs that allow for phenotypic diversification. Accumulating evidence indicates that Th cell differentiation is not as rigid as classically held; rather, extensive phenotypic plasticity is an inherent feature of T cell lineages. Recent studies have begun to uncover the epigenetic programs that mechanistically govern T cell subset specification and immunological memory. Advances in next generation sequencing technologies have allowed global transcriptomic and epigenomic interrogation of CD4+ Th cells that extends previous findings focusing on individual loci. In this review, we provide an overview of recent genome-wide insights into the transcriptional and epigenetic regulation of CD4+ T cell-mediated adaptive immunity and discuss the implications for disease as well as immunotherapies.
Collapse
Affiliation(s)
- Meyer J. Friedman
- Department and School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Haram Lee
- College of Pharmacy Korea University, Sejong 30019, Korea
| | - June-Yong Lee
- Department of Microbiology and Immunology, Yonsei University College of Medicine, Seoul 03722, Korea
- Brain Korea 21 PLUS Project for Medical Sciences, Yonsei University College of Medicine, Seoul 03722, Korea
- Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul 03722, Korea
- Institute of Genetic Science, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Soohwan Oh
- College of Pharmacy Korea University, Sejong 30019, Korea
| |
Collapse
|
24
|
Fang D, Healy A, Zhu J. Differential regulation of lineage-determining transcription factor expression in innate lymphoid cell and adaptive T helper cell subsets. Front Immunol 2023; 13:1081153. [PMID: 36685550 PMCID: PMC9846361 DOI: 10.3389/fimmu.2022.1081153] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 12/14/2022] [Indexed: 01/05/2023] Open
Abstract
CD4 T helper (Th) cell subsets, including Th1, Th2 and Th17 cells, and their innate counterparts innate lymphoid cell (ILC) subsets consisting of ILC1s, ILC2s and ILC3s, display similar effector cytokine-producing capabilities during pro-inflammatory immune responses. These lymphoid cell subsets utilize the same set of lineage-determining transcription factors (LDTFs) for their differentiation, development and functions. The distinct ontogeny and developmental niches between Th cells and ILCs indicate that they may adopt different external signals for the induction of LDTF during lineage commitment. Increasing evidence demonstrates that many conserved cis-regulatory elements at the gene loci of LDTFs are often preferentially utilized for the induction of LDTF expression during Th cell differentiation and ILC development at different stages. In this review, we discuss the functions of lineage-related cis-regulatory elements in inducing T-bet, GATA3 or RORγt expression based on the genetic evidence provided in recent publications. We also review and compare the upstream signals involved in LDTF induction in Th cells and ILCs both in vitro and in vivo. Finally, we discuss the possible mechanisms and physiological importance of regulating LDTF dynamic expression during ILC development and activation.
Collapse
Affiliation(s)
- Difeng Fang
- *Correspondence: Difeng Fang, ; Jinfang Zhu,
| | | | - Jinfang Zhu
- *Correspondence: Difeng Fang, ; Jinfang Zhu,
| |
Collapse
|