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Wang J, Hou Y, Mu L, Yang M, Ai X. Gut microbiota contributes to the intestinal and extraintestinal immune homeostasis by balancing Th17/Treg cells. Int Immunopharmacol 2024; 143:113570. [PMID: 39547012 DOI: 10.1016/j.intimp.2024.113570] [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: 08/09/2024] [Revised: 10/31/2024] [Accepted: 11/01/2024] [Indexed: 11/17/2024]
Abstract
Gut microbiota is generally considered to play an important role in host health due to its extensive immunomodulatory activities. Th17 and Treg cells are two important CD4+ T cell subsets involved in immune regulation, and their imbalance is closely tied to many immune diseases. Recently, abundant researches have highlighted the importance of gut microbiota in supporting intestinal and extraintestinal immunity through the balance of Th17 and Treg cells. Here, we presented a comprehensive review of these findings. This review first provided an overview of gut microbiota, along with Th17/Treg cell differentiation and cytokine production. Subsequently, the review summarized the regulatory effects of gut microbiota (in terms of species, components, and metabolites) on the Th17/Treg cell balance in the local intestines and extraintestinal organs, such as lung, liver, brain, kidney, and bone. Specifically, the Th17 and Treg cells that can be modulated by gut microbiota originate not only from the gut and extraintestinal organs, but also from peripheral blood and spleen. Then, the microbial therapeutics, including probiotics, prebiotics, postbiotics, and fecal microbiota transplantation (FMT), were also reviewed because of their therapeutic potentials in addressing intestinal and extraintestinal diseases via the Th17/Treg axis. Finally, the review discussed the clinical applications and future study prospects of microbial therapeutics by targeting the Th17/Treg cell balance. In conclusion, this review focused on elucidating the regulatory effects of gut microbiota in balancing Th17/Treg cells to maintain intestinal and extraintestinal immune homeostasis, contributing to the further development and promotion of microbial therapeutics.
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Affiliation(s)
- Jing Wang
- Department of Pharmacy, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Department of Pharmacy, North Sichuan Medical College, Nanchong 637000, China
| | - Yaqin Hou
- Department of Pharmacy, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Department of Pharmacy, North Sichuan Medical College, Nanchong 637000, China
| | - Lifeng Mu
- Department of Pharmacy, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Department of Pharmacy, North Sichuan Medical College, Nanchong 637000, China
| | - Ming Yang
- Department of Pharmacy, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Department of Pharmacy, North Sichuan Medical College, Nanchong 637000, China.
| | - Xiaopeng Ai
- Department of Pharmacy, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Department of Pharmacy, North Sichuan Medical College, Nanchong 637000, China.
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Vitali R, Novelli F, Palone F, Cucchiara S, Stronati L, Pioli C. PARP1 inactivation increases regulatory T / Th17 cell proportion in intestinal inflammation. Role of HMGB1. Immunol Lett 2024; 270:106912. [PMID: 39237041 DOI: 10.1016/j.imlet.2024.106912] [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: 12/29/2023] [Revised: 08/12/2024] [Accepted: 09/01/2024] [Indexed: 09/07/2024]
Abstract
Inflammatory bowel diseases (IBD) are chronic relapsing disorders with increasing prevalence. Knowledge gaps still limit the possibility to develop more specific and effective therapies. Using a dextran sodium sulfate colitis mouse model, we found that inflammation increased the total number and altered the frequencies of leukocytes within colon mesenteric lymph nodes (cMLNs). Although the inflammation reduced the frequency of regulatory T (Treg) cells, their absolute numbers were increased. Increased frequency of colitogenic Th17 cells was also observed. Noteworthy, untreated mice lacking Poly(ADP-ribose)-Polimerase-1 functional gene (PARP-1KO) displayed higher frequency of Treg cells and lower percentage of Th17 cells in cMLNs. In colitic PARP-1KO mice the inflammation driven expansion of the Foxp3 Treg population was more pronounced than in WT mice. Conversely, colitis increased Th17 cells to a lower extent in PARP-1KO mice compared with WT mice, resulting in a more protective Treg/Th17 cell ratio. Consequently PARP-1KO mice developed less severe colitis with reduced expression of inflammatory cytokines. In ex vivo experiments PARP-1KO and WT CD11c dendritic cells (DCs) promoted naïve CD4 T cell differentiation differently, the former sustaining more efficiently the generation of Treg cells, the latter that of Th17 cells. Addition of HMGB1 B box or of dipotassium glycyrrhizate, which sequesters extracellular HMGB1, revealed a role for this alarmin in the regulation exerted by PARP-1 on the stimulating vs. tolerogenic function of DCs during colitis. Moreover, a higher percentage of CD11c DC from PARP-1KO mice expressed CD103, a marker associated with the ability of DC to induce Treg cells, compared with WT DC. Conversely, PARP-1KO DC were including a reduced percentage of CX3CR1+ DC, described to induce Th17 cells. These findings were observed in both splenic and colon lamina propria DC.
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Affiliation(s)
| | | | | | - Salvatore Cucchiara
- Department of Maternal Infantile and Urological Sciences, Sapienza University, Rome, Italy
| | - Laura Stronati
- Department of Molecular Medicine, Sapienza University, Rome, Italy
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Shen T, Liu T, Kong L, Li Y. Association between 25-hydroxy vitamin D, interleukin-4, and interferon-γ levels and asthma in children with Mycoplasma pneumonia infection. Sci Rep 2024; 14:28854. [PMID: 39572779 PMCID: PMC11582317 DOI: 10.1038/s41598-024-80322-4] [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: 05/29/2024] [Accepted: 11/18/2024] [Indexed: 11/24/2024] Open
Abstract
To explore the association between 25-hydroxy vitamin D [25-(OH)-D], interleukin-4 (IL-4), and interferon-γ (IFN-γ) in children with Mycoplasma pneumoniae (MP) infection-related asthma. Logistic analysis was conducted to compare general data in MP asthma and MP non-asthma groups. The level of 25-(OH)-D, IL-4, and IFN-γ were detected and compared between groups. Moreover, the receiver operating characteristic curve (ROC) was applied to test the predictive value of each variable. The results of logistic regression analysis demonstrated that recurrent upper respiratory tract infections and collective living are related to the incidence of MP infection whether with asthma or without asthma. IL-4 and IFN-γ in MP asthma group were significantly higher than those in MP non-asthma group and control group (p < 0. 05), whilst 25-(OH)-D and IFN-γ/IL-4 in MP asthma group were significantly lower than those in MP non-asthma group and control group (p < 0. 05). ROC curves indicated that the area under the curve (AUC) of 25-(OH)-D, IL-4, IFN-γ, IFN-γ/IL-4, and joint detection are 0.765, 0.780, 0.853, 0.638, and 0.912 in diagnosis of MP infection-related asthma, and sensitivity and specificity of joint detection are both greater than 95%. For children with MP infection-related asthma, the level of IL-4 and IFN-γ is upregulated, while 25-(OH)-D is downregulated. The joint detection of 25-(OH)-D, IL-4, IFN-γ, and IFN-γ/IL-4 may improve diagnostic capabilities of MP infection-related asthma.
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Affiliation(s)
- Tao Shen
- Department of Clinical Laboratory, Jincheng People's Hospital, 1666 Baishui East Street, Jincheng, 048000, Shanxi, China
- Jincheng Hospital Affiliated to Changzhi Medical College, Jincheng, China
| | - Tingting Liu
- Department of Clinical Laboratory, Jincheng People's Hospital, 1666 Baishui East Street, Jincheng, 048000, Shanxi, China
- Jincheng Hospital Affiliated to Changzhi Medical College, Jincheng, China
| | - Luke Kong
- Department of Clinical Laboratory, Jincheng People's Hospital, 1666 Baishui East Street, Jincheng, 048000, Shanxi, China
- Jincheng Hospital Affiliated to Changzhi Medical College, Jincheng, China
| | - Yanfang Li
- Department of Clinical Laboratory, Jincheng People's Hospital, 1666 Baishui East Street, Jincheng, 048000, Shanxi, China.
- Jincheng Hospital Affiliated to Changzhi Medical College, Jincheng, China.
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Chu X, Yin Y, Chen S, Chen F, Liu H, Zhao S. Suppressive Role of Pigment Epithelium-derived Factor in a Rat Model of Corneal Allograft Rejection. Transplantation 2024; 108:2072-2083. [PMID: 38644534 DOI: 10.1097/tp.0000000000005032] [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] [Indexed: 04/23/2024]
Abstract
BACKGROUND Immunological rejection is the most common reason for corneal transplantation failure. The importance of T cells in corneal allograft rejection is well demonstrated. Recent studies highlight that pigment epithelium-derived factor (PEDF) plays an immunoregulatory role in ocular diseases by enhancing the suppressive phenotype of regulatory T cells besides its other functions in neurotrophy and antiangiogenesis. METHODS The effects of PEDF on immune rejection were examined in rat models of corneal transplantation using slit-lamp microscope observation, immunohistochemistry, flow cytometry, and Western blot. In vitro, we demonstrated PEDF reduced alloreactive T-cell activation using real-time polymerase chain reaction, flow cytometry, and Western blot. RESULTS Topical administration of PEDF provided corneal transplantation rats with an improved graft survival rate of corneal allografts, reduced hemangiogenesis, and infiltration of immune cells in corneas, in particular, type 17 T helper cells while increased regulatory T cells. Moreover, nerve reinnervation within grafts was promoted in PEDF-treated recipient rats. In vitro, PEDF inhibited alloreactive T-cell activation via the c-Jun N-terminal kinase/c-Jun signaling pathway and upregulated the expressions of interleukin-10 and transforming growth factor-β, emphasizing the suppressive role of PEDF on immune responses. CONCLUSIONS Our results underscore the feasibility of PEDF in alleviating corneal allograft rejection and further illustrate its potential in managing immune-related diseases.
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Affiliation(s)
- Xiaoran Chu
- Department of Cornea and Refractive Surgery, 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
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Lobato TB, Manoel R, Pereira ACG, Correa IS, Iser-Bem PN, Santos ESDS, Pereira JNB, de Araújo MJL, Borges JCDO, Pauferro JRB, Diniz VLS, Scervino MVM, Serdan TD, Pithon-Curi TC, Masi LN, Hirabara SM, Curi R, Gorjão R. Insulin resistance in nonobese type 2 diabetic Goto Kakizaki rats is associated with a proinflammatory T lymphocyte profile. FEBS Lett 2024; 598:2566-2580. [PMID: 39095330 DOI: 10.1002/1873-3468.14977] [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: 02/14/2024] [Revised: 05/27/2024] [Accepted: 06/01/2024] [Indexed: 08/04/2024]
Abstract
Goto-Kakizaki (GK) rats develop a well-defined insulin resistance (IR) and type 2 diabetes mellitus (T2DM) without presenting obesity. The lymphocyte profile in nonobese diabetic conditions is not yet characterized. Therefore, GK rats were chosen to explore T lymphocyte (TL) dynamics at various stages (21, 60, and 120 days) compared to Wistar rats. GK rats exhibit progressive disruption of glucose regulation, with early glucose intolerance at 21 days and reduced insulin sensitivity at 60 days, confirming IR. Glucose transporter 1 (GLUT1) expression was consistently elevated in GK rats, suggesting heightened TL activation. T-regulatory lymphocyte markers diminished at 21 days. However, GK rats showed increased Th1 markers and reduced Gata-3 expression (crucial for Th2 cell differentiation) at 120 days. These findings underscore an early breakdown of anti-inflammatory mechanisms in GK rats, indicating a proinflammatory TL profile that may worsen chronic inflammation in T2DM.
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Affiliation(s)
- Tiago Bertola Lobato
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - Richelieau Manoel
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - Ana Carolina Gomes Pereira
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - Ilana Souza Correa
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - Patrícia Nancy Iser-Bem
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | | | | | | | | | | | | | | | - Tamires Duarte Serdan
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - Tania Cristina Pithon-Curi
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - Laureane Nunes Masi
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
- Department of Physiological Sciences, Center of Biological Sciences, Federal University of Santa Catarina-UFSC, Brazil
| | - Sandro Massao Hirabara
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - Rui Curi
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
- Immunobiological Production Section, Bioindustrial Center, Butantan Institute, São Paulo, Brazil
| | - Renata Gorjão
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
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Wen Z, Qiu L, Ye Z, Tan X, Xu X, Lu M, Kuang G. The role of Th/Treg immune cells in osteoarthritis. Front Immunol 2024; 15:1393418. [PMID: 39364408 PMCID: PMC11446774 DOI: 10.3389/fimmu.2024.1393418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 09/02/2024] [Indexed: 10/05/2024] Open
Abstract
Osteoarthritis (OA) is a prevalent clinical condition affecting the entire joint, characterized by its multifactorial etiology and complex pathophysiology. The onset of OA is linked to inflammatory mediators produced by the synovium, cartilage, and subchondral bone, all of which are closely tied to cartilage degradation. Consequently, OA may also be viewed as a systemic inflammatory disorder. Emerging studies have underscored the significance of T cells in the development of OA. Notably, imbalances in Th1/Th2 and Th17/Treg immune cells may play a crucial role in the pathogenesis of OA. This review aims to compile recent advancements in understanding the role of T cells and their Th/Treg subsets in OA, examines the immune alterations and contributions of Th/Treg cells to OA progression, and proposes novel directions for future research, including potential therapeutic strategies for OA.
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Affiliation(s)
- Zhi Wen
- Department of Joint Orthopedics, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
- Graduate School of Hunan University of Traditional Chinese Medicine, Changsha, Hunan, China
| | - Liguo Qiu
- Graduate School of Hunan University of Traditional Chinese Medicine, Changsha, Hunan, China
| | - Zifeng Ye
- Graduate School of Hunan University of Traditional Chinese Medicine, Changsha, Hunan, China
| | - Xuyi Tan
- Department of Joint Orthopedics, The Affiliated Hospital, Hunan Academy of Traditional Chinese Medicine, Changsha, Hunan, China
| | - Xiaotong Xu
- Department of Joint Orthopedics, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Min Lu
- Department of Joint Orthopedics, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Gaoyan Kuang
- Department of Joint Orthopedics, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
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Nasrabadi ME, Al-Harrasi A, Mohammadi S, Zarif Azam Kardani F, Rahmati M, Memarian A. Pioglitazone as a potential modulator in autoimmune diseases: a review on its effects in systemic lupus erythematosus, psoriasis, inflammatory bowel disease, and multiple sclerosis. Expert Rev Clin Immunol 2024:1-11. [PMID: 39279585 DOI: 10.1080/1744666x.2024.2401614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 09/03/2024] [Indexed: 09/18/2024]
Abstract
INTRODUCTION Current medications for autoimmune disorders often induce broad-ranging side effects, prompting a growing interest in therapies with more specific immune system modulation. Pioglitazone, known for its anti-diabetic properties, is increasingly recognized for significant immunomodulatory potential. Beyond its traditional use in diabetes management, pioglitazone emerges as a promising therapeutic candidate for autoimmune disorders. AREAS COVERED This comprehensive review explores pioglitazone's impact on four prominent autoimmune conditions: systemic lupus erythematosus, psoriasis, inflammatory bowel disease, and multiple sclerosis. We focus on pioglitazone's diverse effects on immune cells and cytokines in these diseases, highlighting its potential as a valuable therapeutic option for autoimmune diseases. Here we have reviewed the latest and most current research literature available on PubMed, based on research published in the last 15 years. EXPERT OPINION Pioglitazone as an immunomodulatory agent can regulate T cell differentiation, inhibit inflammatory cytokines, and promote anti-inflammatory macrophages. While further clinical studies are needed to fully understand its mechanisms and optimize treatment strategies, pioglitazone represents a potential therapeutic approach to improve outcomes for patients with these challenging autoimmune conditions. The future of autoimmune disease research may involve personalized treatment approaches, and collaborative efforts to improve patient quality of life.
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Affiliation(s)
- Mohammad Esmail Nasrabadi
- Department of Immunology, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa, Oman
| | - Saeed Mohammadi
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa, Oman
- Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
| | - Fateme Zarif Azam Kardani
- Department of Immunology, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Mina Rahmati
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Ali Memarian
- Department of Immunology, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran
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Zeng Y, Li T, Chen X, Fang X, Fang C, Liang X, Liu J, Yang Y. Oral administration of Lactobacillus plantarum expressing aCD11c modulates cellular immunity alleviating inflammatory injury due to Klebsiella pneumoniae infection. BMC Vet Res 2024; 20:399. [PMID: 39244529 PMCID: PMC11380324 DOI: 10.1186/s12917-024-04248-9] [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: 04/06/2024] [Accepted: 08/26/2024] [Indexed: 09/09/2024] Open
Abstract
BACKGROUND Klebsiella pneumoniae (KP), responsible for acute lung injury (ALI) and inflammation of the gastrointestinal tract, is a zoonotic pathogen that poses a threat to livestock farming worldwide. Nevertheless, there is currently no validated vaccine to prevent KP infection. The development of mucosal vaccines against KP using Lactobacillus plantarum (L. plantarum) is an effective strategy. RESULTS Firstly, the L. plantarum strains NC8-pSIP409-aCD11c' and NC8-pLc23-aCD11c were constructed via homologous recombination to express the aCD11c protein either inducibly or constitutively. Both NC8-pSIP409-aCD11c' and NC8-pLc23-aCD11c strains could enhance the adhesion and invasion of L. plantarum on bone marrow-derived dendritic cells (BMDCs), and stimulate the activation of BMDCs compared to the control strain NC8-pSIP409 in vitro. Following oral immunization of mice with NC8-pSIP409-aCD11c' and NC8-pLc23-aCD11c, the cellular, humoral, and mucosal immunity were significantly improved, as evidenced by the increased expression of CD4+ IL-4+ T cells in the spleen, IgG in serum, and secretory IgA (sIgA) in the intestinal lavage fluid (ILF). Furthermore, the protective effects of L. plantarum against inflammatory damage caused by KP infection were confirmed by assessing the bacterial loads in various tissues, lung wet/dry ratio (W/D), levels of inflammatory cytokines, and histological evaluation, which influenced T helper 17 (Th17) and regulatory T (Treg) cells in peripheral blood and lung. CONCLUSIONS Both the inducible and constitutive L. plantarum strains NC8-pSIP409-aCD11c' and NC8-pLc23-aCD11c have been found to stimulate cellular and humoral immunity levels and alleviate the inflammatory response caused by KP infection. These findings have provided a basis for the development of a novel vaccine against KP.
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Affiliation(s)
- Yang Zeng
- College of Animal Science and Technology, Yangtze University, Jingzhou, 434025, China
| | - Tiantian Li
- College of Animal Science and Technology, Yangtze University, Jingzhou, 434025, China
| | - Xueyang Chen
- College of Animal Science and Technology, Yangtze University, Jingzhou, 434025, China
| | - Xiaowei Fang
- College of Agriculture, Yangtze University, Jingzhou, 434025, China
| | - Chun Fang
- College of Animal Science and Technology, Yangtze University, Jingzhou, 434025, China
| | - Xiongyan Liang
- College of Animal Science and Technology, Yangtze University, Jingzhou, 434025, China
| | - Jing Liu
- College of Animal Science and Technology, Yangtze University, Jingzhou, 434025, China.
| | - Yuying Yang
- College of Animal Science and Technology, Yangtze University, Jingzhou, 434025, China.
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Guo X, Qin Y, Feng Z, Li H, Yang J, Su K, Mao R, Li J. Investigating the anti-inflammatory effects of icariin: A combined meta-analysis and machine learning study. Heliyon 2024; 10:e35307. [PMID: 39170422 PMCID: PMC11336647 DOI: 10.1016/j.heliyon.2024.e35307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 07/24/2024] [Accepted: 07/25/2024] [Indexed: 08/23/2024] Open
Abstract
Objective The objectives of this study were to define the superiority of icariin and its derivatives' anti-inflammatory activities and to create a reference framework for evaluating preclinical evidence. This method combines machine learning and meta-analysis to identify underlying biological pathways. Methods Data came from PubMed, Embase, Web of Science, and the Cochrane Library. SYRCLE was used to evaluate the risk of bias in a subset of research. Meta-analysis and detailed subgroup analyses, categorized by species, genders, disease type, dosage, and treatment duration, were performed using R and STATA 15.0 software to derive nuanced insights. Employing R software (version 4.2.3) and the tidymodels package, the analysis focused on constructing a model and selecting features, with TNF-α as the dependent variable. This approach aims to identify significant predictors of drug efficacy. An in-depth literature facilitated the synthesis of anti-inflammatory mechanisms attributed to icariin and its constituent compounds. Results Following a meticulous search and selection process, 19 studies, involving 370 and 260 animals were included in the meta-analysis and machine-learning assessment, respectively. The findings revealed that icariin and its derivatives markedly reduced inflammation markers, including TNF-α and IL-1β. Additionally, machine-learning outcomes, with TNF-α as the target variable, indicated enhanced anti-inflammatory effects of icariin across respiratory, urological, neurological, and digestive disease types. These effects were more pronounced at doses exceeding 27.52 mg/kg/day and treatment durations beyond 31.22 days. Conclusion Strong anti-inflammatory effects are exhibited by icariiin and its derivatives, which are especially beneficial in the management of digestive, neurological, pulmonary, and urinary conditions. Effective for periods longer than 31.22 days and at dosages more than 27.52 mg/kg/day. Subsequent research will involve more targeted animal experiments and safety assessments to obtain more comprehensive preclinical evidence.
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Affiliation(s)
- Xiaochuan Guo
- Department of Respiratory Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou 450000, Henan Province, China
- The First Clinical Medical College, Henan University of Chinese Medicine, Zhengzhou 450046, Henan Province, China
- Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases By Henan and Education Ministry of PR China, Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou 450046, Henan province, China
| | - Yanqin Qin
- Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases By Henan and Education Ministry of PR China, Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou 450046, Henan province, China
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou 450046, Henan Province, China
| | - Zhenzhen Feng
- Department of Respiratory Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou 450000, Henan Province, China
- Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases By Henan and Education Ministry of PR China, Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou 450046, Henan province, China
| | - Haibo Li
- Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases By Henan and Education Ministry of PR China, Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou 450046, Henan province, China
| | - Jingfan Yang
- Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases By Henan and Education Ministry of PR China, Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou 450046, Henan province, China
| | - Kailin Su
- Department of Respiratory Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou 450000, Henan Province, China
- The First Clinical Medical College, Henan University of Chinese Medicine, Zhengzhou 450046, Henan Province, China
- Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases By Henan and Education Ministry of PR China, Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou 450046, Henan province, China
| | - Ruixiao Mao
- Department of Respiratory Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou 450000, Henan Province, China
- The First Clinical Medical College, Henan University of Chinese Medicine, Zhengzhou 450046, Henan Province, China
- Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases By Henan and Education Ministry of PR China, Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou 450046, Henan province, China
| | - Jiansheng Li
- Department of Respiratory Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou 450000, Henan Province, China
- Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases By Henan and Education Ministry of PR China, Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou 450046, Henan province, China
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10
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You Y, Wu X, Yuan H, He Y, Chen Y, Wang S, Min H, Chen J, Li C. Crystalline silica-induced recruitment and immuno-imbalance of CD4 + tissue resident memory T cells promote silicosis progression. Commun Biol 2024; 7:971. [PMID: 39122899 PMCID: PMC11316055 DOI: 10.1038/s42003-024-06662-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Accepted: 07/31/2024] [Indexed: 08/12/2024] Open
Abstract
Occupational crystalline silica (CS) particle exposure leads to silicosis. The burden of CS-associated disease remains high, and treatment options are limited due to vague mechanisms. Here we show that pulmonary CD4+ tissue-resident memory T cells (TRM) accumulate in response to CS particles, mediating the pathogenesis of silicosis. The TRM cells are derived from peripheral lymphocyte recruitment and in situ expansion. Specifically, CD69+CD103+ TRM-Tregs depend more on circulating T cell replenishment. CD69 and CD103 can divide the TRM cells into functionally distinct subsets, mirroring the immuno-balance within CD4+ TRM cells. However, targeting CD103+ TRM-Tregs do not mitigate disease phenotype since the TRM subsets exert immunosuppressive but not pro-fibrotic roles. After identifying pathogenic CD69+CD103- subsets, we highlight IL-7 for their maintenance and function, that present a promising avenue for mitigating silicosis. Together, our findings highlight the distinct role of CD4+ TRM cells in mediating CS-induced fibrosis and provide potential therapeutic strategies.
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Affiliation(s)
- Yichuan You
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
| | - Xiulin Wu
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
| | - Haoyang Yuan
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
| | - Yangyang He
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
| | - Yinghui Chen
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
| | - Sisi Wang
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
| | - Hui Min
- Department of Immunology, College of Basic Medical Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China
| | - Jie Chen
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China.
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China.
| | - Chao Li
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China.
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, PR China.
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Lu H, Sun X, Yang C, Zheng M, Ni B, Han Z, Tao J, Ju X, Tan R, Shen B, Gu M, Wang Z. Iguratimod ameliorates antibody-mediated rejection after renal transplant by modulating the Th17/Treg paradigm. Int Immunopharmacol 2024; 136:112409. [PMID: 38850789 DOI: 10.1016/j.intimp.2024.112409] [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: 04/16/2024] [Revised: 05/21/2024] [Accepted: 06/02/2024] [Indexed: 06/10/2024]
Abstract
BACKGROUND Iguratimod (IGU) is widely used in clinical practice due to its stable anti-inflammatory effects. Our previous studies have confirmed that the proportion of Th17/Treg balance in patients taking IGU altered significantly. This study aims to explore the role of IGU in antibody-mediated rejection (ABMR) and its potential mechanisms. METHODS We conducted bioinformatics analysis of sequencing data from the GEO database to analyze the abundance of immune cell infiltration in transplanted kidney tissues. In vivo, IGU was intervened in a mice secondary skin transplantation model and a mice kidney transplantation ABMR model, and histological morphology of the grafts were examined by pathological staining, while relevant indicators were determined through qRT-PCR, immunohistochemistry, and enzyme-linked immunosorbent assay, observed T cell differentiation by flow cytometry, and preliminarily assessed the immunosuppressive effect of IGU. In vitro, we established Th17 and Treg cell induction and stimulation differentiation culture systems and added IGU for intervention to explore its effects on their differentiation. RESULTS Through bioinformatics analysis, we found that Th17 and Treg may play important roles in the occurrence and development of ABMR. In vivo, we found that IGU could effectively reduce the damage caused by ABMR to the grafts, alleviate the infiltration of inflammatory cells in the graft tissues, and reduce the deposition of C4d in the grafts. Moreover, it is also found that IGU regulated the differentiation of Th17 and Treg cells in the spleen and peripheral blood and reduced the expression of IL-17A in the grafts and serum. In addition, same changes were observed in the induction and differentiation culture system of Th17 and Treg cells in vitro after the addition of IGU. CONCLUSION IGU can inhibit the progression of ABMR by regulating the differentiation of Th17 and Treg cells, providing novel insights for optimizing clinical immunosuppressive treatment regimens.
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Affiliation(s)
- Hongcheng Lu
- Department of Urology, Wuxi People's Hospital Affiliated to Nanjing Medical University, 299 Qingyang Road, Wuxi 214023, Jiangsu, People's Republic of China
| | - Xulin Sun
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121# Jiangjiayuan Road, Nanjing, Jiangsu, People's Republic of China
| | - Chengcheng Yang
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121# Jiangjiayuan Road, Nanjing, Jiangsu, People's Republic of China
| | - Ming Zheng
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121# Jiangjiayuan Road, Nanjing, Jiangsu, People's Republic of China
| | - Bin Ni
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121# Jiangjiayuan Road, Nanjing, Jiangsu, People's Republic of China
| | - Zhijian Han
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, 300# Guangzhou Road, Nanjing, Jiangsu, People's Republic of China
| | - Jun Tao
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, 300# Guangzhou Road, Nanjing, Jiangsu, People's Republic of China
| | - Xiaobin Ju
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, 300# Guangzhou Road, Nanjing, Jiangsu, People's Republic of China
| | - Ruoyun Tan
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, 300# Guangzhou Road, Nanjing, Jiangsu, People's Republic of China
| | - Baixin Shen
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121# Jiangjiayuan Road, Nanjing, Jiangsu, People's Republic of China.
| | - Min Gu
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, 121# Jiangjiayuan Road, Nanjing, Jiangsu, People's Republic of China; Department of Urology, The First Affiliated Hospital of Nanjing Medical University, 300# Guangzhou Road, Nanjing, Jiangsu, People's Republic of China.
| | - Zijie Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, 300# Guangzhou Road, Nanjing, Jiangsu, People's Republic of China.
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12
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Le Menn G, Pikkarainen K, Mennerich D, Miroszewska D, Kietzmann T, Chen Z. USP28 protects development of inflammation in mouse intestine by regulating STAT5 phosphorylation and IL22 production in T lymphocytes. Front Immunol 2024; 15:1401949. [PMID: 39076972 PMCID: PMC11284026 DOI: 10.3389/fimmu.2024.1401949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 06/27/2024] [Indexed: 07/31/2024] Open
Abstract
Introduction Ubiquitin-specific proteases (USPs), a large subset of more than 50 deubiquitinase proteins, have recently emerged as promising targets in cancer. However, their role in immune cell regulation, particularly in T cell activation, differentiation, and effector functions, remains largely unexplored. Methods We utilized a USP28 knockout mouse line to study the effect of USP28 on T cell activation and function, and its role in intestinal inflammation using the dextran sulfate sodium (DSS)-induced colitis model and a series of in vitro assays. Results Our results show that USP28 exerts protective effects in acute intestinal inflammation. Mechanistically, USP28 knockout mice (USP28-/-) exhibited an increase in total T cells mainly due to an increased CD8+ T cell content. Additionally, USP28 deficiency resulted in early defects in T cell activation and functional changes. Specifically, we observed a reduced expression of IL17 and an increase in inducible regulatory T (iTreg) suppressive functions. Importantly, activated T cells lacking USP28 showed increased STAT5 phosphorylation. Consistent with these findings, these mice exhibited increased susceptibility to acute DSS-induced intestinal inflammation, accompanied by elevated IL22 cytokine levels. Conclusions Our findings demonstrate that USP28 is essential for T cell functionality and protects mice from acute DSS-induced colitis by regulating STAT5 signaling and IL22 production. As a T cell regulator, USP28 plays a crucial role in immune responses and intestinal health.
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Affiliation(s)
- Gwenaëlle Le Menn
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Keela Pikkarainen
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Daniela Mennerich
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Dominika Miroszewska
- Intercollegiate Faculty of Biotechnology of University of Gdańsk and Medical University of Gdańsk, University of Gdańsk, Gdańsk, Poland
| | - Thomas Kietzmann
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Zhi Chen
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
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Ma J, Chiu YF, Kao CC, Chuang CN, Chen CY, Lai CH, Kuo ML. Fine particulate matter manipulates immune response to exacerbate microbial pathogenesis in the respiratory tract. Eur Respir Rev 2024; 33:230259. [PMID: 39231594 PMCID: PMC11372469 DOI: 10.1183/16000617.0259-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 06/18/2024] [Indexed: 09/06/2024] Open
Abstract
Particulate matter with a diameter ≤2.5 μm (PM2.5) poses a substantial global challenge, with a growing recognition of pathogens contributing to diseases associated with exposure to PM2.5 Recent studies have focused on PM2.5, which impairs the immune cells in response to microbial infections and potentially contributes to the development of severe diseases in the respiratory tract. Accordingly, changes in the respiratory immune function and microecology mediated by PM2.5 are important factors that enhance the risk of microbial pathogenesis. These factors have garnered significant interest. In this review, we summarise recent studies on the potential mechanisms involved in PM2.5-mediated immune system disruption and exacerbation of microbial pathogenesis in the respiratory tract. We also discuss crucial areas for future research to address the gaps in our understanding and develop effective strategies to combat the adverse health effects of PM2.5.
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Affiliation(s)
- Jason Ma
- Department of Microbiology and Immunology, Chang Gung University, Taoyuan, Taiwan
- Equal contribution to this work
| | - Ya-Fang Chiu
- Department of Microbiology and Immunology, Chang Gung University, Taoyuan, Taiwan
- Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan
- Research Center for Emerging Viral Infections, Chang Gung University, Taoyuan, Taiwan
- Department of Laboratory Medicine, Molecular Infectious Disease Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
- Division of Infectious Diseases, Department of Medicine, Chang Gung Memorial Hospital, New Taipei, Taiwan
- Equal contribution to this work
| | - Chih-Chen Kao
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chun-Ning Chuang
- Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan
| | - Chi-Yuan Chen
- Department of Microbiology and Immunology, Chang Gung University, Taoyuan, Taiwan
| | - Chih-Ho Lai
- Department of Microbiology and Immunology, Chang Gung University, Taoyuan, Taiwan
- Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan
- Research Center for Emerging Viral Infections, Chang Gung University, Taoyuan, Taiwan
- Department of Laboratory Medicine, Molecular Infectious Disease Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
- Department of Microbiology and Immunology, School of Medicine, China Medical University, Taichung, Taiwan
- Department of Nursing, Asia University, Taichung, Taiwan
- Equal contribution to this work
| | - Ming-Ling Kuo
- Department of Microbiology and Immunology, Chang Gung University, Taoyuan, Taiwan
- Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou, Taiwan
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Mary VS, Vélez PA, Quiroz S, Beccacece I, Otaiza-González SN, Chiapello LS, Rubinstein HR, Theumer MG. Involvement of aryl hydrocarbon receptor in the aflatoxin B 1 and fumonisin B 1 effects on in vitro differentiation of murine regulatory-T and Th17 cells. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:48758-48772. [PMID: 39039370 DOI: 10.1007/s11356-024-34421-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 07/15/2024] [Indexed: 07/24/2024]
Abstract
Aflatoxin B1 (AFB1) and fumonisin B1 (FB1) are mycotoxins widely found as cereal contaminants, and their co-consumption is associated with liver cancer. Both are immunotoxic, but their interactions have been little studied. This work was aimed to evaluate in mouse spleen mononuclear cells (SMC) the effects of the exposure to AFB1 (5-50 µM), FB1 (25-250 µM), and AFB1-FB1 mixtures (MIX) on the in vitro differentiation of regulatory T cells (Treg and Tr1-like) and Th17 cells, as well as elucidate the contribution of aryl hydrocarbon receptor (Ahr) in such effects. AFB1 and mainly MIX induced cytotoxicity in activated CD4 cells via Ahr signaling. AFB1 (5 µM) increased the Treg cell differentiation, but its combination with FB1 (25 µM) also reduced Th17 cell expansion by Ahr-dependent mechanisms. Therefore, this mixture could enhance the Treg/Th17 cell ratio and favor immunosuppression and escape from tumor immunosurveillance to a greater extent than individual mycotoxins. Whereas, AFB1-FB1 mixtures at medium-high doses inhibited the Tr1-like cell expansion induced by the individual mycotoxins and affected Treg and Th17 cell differentiation in Ahr-independent and dependent manners, respectively, which could alter anti-inflammatory and Th17 immune responses. Moreover, individual FB1 altered regulatory T and Th17 cell development independently of Ahr. In conclusion, AFB1 and FB1 interact by modifying Ahr signaling, which is involved in the immunotoxicity as well as in the alteration of the differentiation of Treg, Tr1-like, and Th17 cells induced by AFB1-FB1 mixtures. Therefore, Ahr is implicated in the regulation of the anti- and pro-inflammatory responses caused by the combination of AFB1 and FB1.
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Affiliation(s)
- Verónica Sofía Mary
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Pilar Andrea Vélez
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Sol Quiroz
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Ignacio Beccacece
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Santiago Nicolás Otaiza-González
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Laura Silvina Chiapello
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Héctor Ramón Rubinstein
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Martín Gustavo Theumer
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina.
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15
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Cao S, Jiang J, Yin H, Wang L, Lu Q. Abnormal energy metabolism in the pathogenesis of systemic lupus erythematosus. Int Immunopharmacol 2024; 134:112149. [PMID: 38692019 DOI: 10.1016/j.intimp.2024.112149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/20/2024] [Accepted: 04/21/2024] [Indexed: 05/03/2024]
Abstract
Systemic lupus erythematosus (SLE) is a severe autoimmune disease with significant socioeconomic impact worldwide. Orderly energy metabolism is essential for normal immune function, and disordered energy metabolism is increasingly recognized as an important contributor to the pathogenesis of SLE. Disorders of energy metabolism are characterized by increased reactive oxygen species, ATP deficiency, and abnormal metabolic pathways. Oxygen and mitochondria are critical for the production of ATP, and both mitochondrial dysfunction and hypoxia affect the energy production processes. In addition, several signaling pathways, including mammalian target of rapamycin (mTOR)/adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) signaling and the hypoxia-inducible factor (HIF) pathway also play important regulatory roles in energy metabolism. Furthermore, drugs with clear clinical effects on SLE, such as sirolimus, metformin, and tacrolimus, have been proven to improve the disordered energy metabolism of immune cells, suggesting the potential of targeting energy metabolism for the treatment of SLE. Moreover, several metabolic modulators under investigation are expected to have potential therapeutic effects in SLE. This review aimed to gain insights into the role and mechanism of abnormal energy metabolism in the pathogenesis of SLE, and summarizes the progression of metabolic modulator in the treatment of SLE.
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Affiliation(s)
- Shumei Cao
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, 210042, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China
| | - Jiao Jiang
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, 210042, China
| | - Haoyuan Yin
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, 210042, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China
| | - Lai Wang
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, 210042, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China.
| | - Qianjin Lu
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, 210042, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China; Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital, Central South University, Changsha, 410011, China.
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16
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Gill JS, Bansal B, Guo K, Huang F, Singh H, Hur J, Khan N, Mathur R. Mitochondrial Oxidative Stress Regulates FOXP3+ T-Cell Activity and CD4-Mediated Inflammation in Older Adults with Frailty. Int J Mol Sci 2024; 25:6235. [PMID: 38892421 PMCID: PMC11173216 DOI: 10.3390/ijms25116235] [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: 04/23/2024] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 06/21/2024] Open
Abstract
In healthy older adults, the immune system generally preserves its response and contributes to a long, healthy lifespan. However, rapid deterioration in immune regulation can lead to chronic inflammation, termed inflammaging, which accelerates pathological aging and diminishes the quality of life in older adults with frailty. A significant limitation in current aging research is the predominant focus on comparisons between young and older populations, often overlooking the differences between healthy older adults and those experiencing pathological aging. Our study elucidates the intricate immunological dynamics of the CD4/Treg axis in frail older adults compared to comparable age-matched healthy older adults. By utilizing publicly available RNA sequencing and single-cell RNA sequencing (scRNAseq) data from peripheral blood mononuclear cells (PBMCs), we identified a specific Treg cell subset and transcriptional landscape contributing to the dysregulation of CD4+ T-cell responses. We explored the molecular mechanisms underpinning Treg dysfunction, revealing that Tregs from frail older adults exhibit reduced mitochondrial protein levels, impairing mitochondrial oxidative phosphorylation. This impairment is driven by the TNF/NF-kappa B pathway, leading to cumulative inflammation. Further, we gained a deeper understanding of the CD4/Treg axis by predicting the effects of gene perturbations on cellular signaling networks. Collectively, these findings highlight the age-related relationship between mitochondrial dysfunction in the CD4/Treg axis and its role in accelerating aging and frailty in older adults. Targeting Treg dysfunction offers a critical basis for developing tailored therapeutic strategies aimed at improving the quality of life in older adults.
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Affiliation(s)
- Jappreet Singh Gill
- Department of Geriatrics, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA; (J.S.G.); (B.B.); (H.S.)
- Department of Biomedical Engineering, School of Electrical Engineering and Computer Sciences, University of North Dakota, Grand Forks, ND 58292, USA
| | - Benu Bansal
- Department of Geriatrics, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA; (J.S.G.); (B.B.); (H.S.)
- Department of Biomedical Engineering, School of Electrical Engineering and Computer Sciences, University of North Dakota, Grand Forks, ND 58292, USA
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA; (K.G.); (F.H.); (J.H.)
| | - Kai Guo
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA; (K.G.); (F.H.); (J.H.)
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Fang Huang
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA; (K.G.); (F.H.); (J.H.)
| | - Harpreet Singh
- Department of Geriatrics, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA; (J.S.G.); (B.B.); (H.S.)
| | - Junguk Hur
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA; (K.G.); (F.H.); (J.H.)
| | - Nadeem Khan
- Department of Oral Biology, University of Florida, Gainsville, FL 32603, USA;
| | - Ramkumar Mathur
- Department of Geriatrics, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA; (J.S.G.); (B.B.); (H.S.)
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Zong Y, Deng K, Chong WP. Regulation of Treg cells by cytokine signaling and co-stimulatory molecules. Front Immunol 2024; 15:1387975. [PMID: 38807592 PMCID: PMC11131382 DOI: 10.3389/fimmu.2024.1387975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 04/29/2024] [Indexed: 05/30/2024] Open
Abstract
CD4+CD25+Foxp3+ regulatory T cells (Tregs), a vital component of the immune system, are responsible for maintaining immune homeostasis and preventing excessive immune responses. This review explores the signaling pathways of the cytokines that regulate Treg cells, including transforming growth factor beta (TGF-β), interleukin (IL)-2, IL-10, and IL-35, which foster the differentiation and enhance the immunosuppressive capabilities of Tregs. It also examines how, conversely, signals mediated by IL-6 and tumor necrosis factor -alpha (TNF-α) can undermine Treg suppressive functions or even drive their reprogramming into effector T cells. The B7 family comprises indispensable co-stimulators for T cell activation. Among its members, this review focuses on the capacity of CTLA-4 and PD-1 to regulate the differentiation, function, and survival of Tregs. As Tregs play an essential role in maintaining immune homeostasis, their dysfunction contributes to the pathogenesis of autoimmune diseases. This review delves into the potential of employing Treg-based immunotherapy for the treatment of autoimmune diseases, transplant rejection, and cancer. By shedding light on these topics, this article aims to enhance our understanding of the regulation of Tregs by cytokines and their therapeutic potential for various pathological conditions.
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Affiliation(s)
- Yuan Zong
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen, China
| | - Kaihang Deng
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
| | - Wai Po Chong
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen, China
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18
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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.
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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.
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Sisnett DJ, Zutautas KB, Miller JE, Lingegowda H, Ahn SH, McCallion A, Bougie O, Lessey BA, Tayade C. The Dysregulated IL-23/TH17 Axis in Endometriosis Pathophysiology. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1428-1441. [PMID: 38466035 DOI: 10.4049/jimmunol.2400018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 02/26/2024] [Indexed: 03/12/2024]
Abstract
Endometriosis is a chronic inflammatory disease in which endometrial-like tissue grows ectopically, resulting in pelvic pain and infertility. IL-23 is a key contributor in the development and differentiation of TH17 cells, driving TH17 cells toward a pathogenic profile. In a variety of inflammatory and autoimmune disorders, TH17 cells secrete proinflammatory cytokines, including IL-17, contributing to disease pathophysiology. Our studies and others have implicated IL-17 and TH17 cell dysregulation in endometriosis, which is associated with disease severity. In this article, we address whether IL-23-driven TH17 cells contribute to cardinal features of lesion proliferation, vascularization, and inflammation in endometriosis using patient samples, representative cell lines, and our established mouse model of endometriosis. The results indicated dysregulated expression of key genes in the IL-23/TH17 axis in patient ectopic and eutopic endometrial samples and increased IL-23 protein in patient plasma compared with controls. In vitro studies using primary human TH cells determined that rIL-23 mixture treatment increased pathogenic TH17 cell frequency. Similarly, rIL-23 treatment of cell lines (12Z cells, EECCs, HUVECs, and hESCs) representative of the endometriotic lesion microenvironment increased cytokines and growth factors, which play a role in lesion establishment and maintenance. In a syngeneic mouse model of endometriosis, rIL-23 treatment altered numbers of myeloid and T cell subsets in peritoneal fluid and increased giant cells within the lesion. Lesions from rIL-23-treated mice did not reveal significant alterations in proliferation/vascularization, although trends of increased proliferation and vascularization were observed. Collectively, these findings provide insights into the impact of the IL-23/TH17 axis on local immune dysfunction and broadly on endometriosis pathophysiology.
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Affiliation(s)
- Danielle J Sisnett
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Katherine B Zutautas
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Jessica E Miller
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | | | - Soo Hyun Ahn
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Alison McCallion
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Olga Bougie
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
- Department of Obstetrics and Gynaecology, Kingston Health Sciences Centre, Kingston, ON, Canada
| | - Bruce A Lessey
- School of Medicine, Wake Forest University, Winston-Salem, NC
| | - Chandrakant Tayade
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
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20
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Li Y, Ning X, Zhao Z, He X, Xue Q, Zhou M, Li W, Li M. Core fucosylation of maternal milk N-glycans imparts early-life immune tolerance through gut microbiota-dependent regulation in RORγt + Treg cells. Food Funct 2024; 15:4140-4153. [PMID: 38445991 DOI: 10.1039/d4fo00230j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Milk glycans play key roles in shaping and maintaining a healthy infant gut microbiota. Core fucosylation catalyzed by fucosyltransferase (Fut8) is the major glycosylation pattern on human milk N-glycan, which was crucial for promoting the colonization and dominant growth of Bifidobacterium and Lactobacillus spp. in neonates. However, the influence of core-fucose in breast milk on the establishment of early-life immune tolerance remains poorly characterized. In this study, we found that the deficiency of core-fucose in the milk of maternal mice caused by Fut8 gene heterozygosity (Fut8+/-) resulted in poor immune tolerance towards the ovalbumin (OVA) challenge, accompanied by a reduced proportion of intestinal RORγt+ Treg cells and the abundance of Lactobacillus spp., especially L. reuteri and L. johnsonii, in their breast-fed neonates. The administration of the L. reuteri and L. johnsonii mixture to neonatal mice compromised the OVA-induced allergy and up-regulated the intestinal RORγt+ Treg cell proportions. However, Lactobacillus mixture supplementation did not alleviate allergic responses in RORγt+ Treg cell-deficient mice caused by Rorc gene heterozygosity (Rorc+/-) post OVA challenge, indicating that the intervention effects depend on the RORγt+ Treg cells. Interestingly, instead of L. reuteri and L. johnsonii, we found that the relative abundance of another Lactobacillus spp., L. murinus, in the gut of the offspring mice was significantly promoted by intervention, which showed enhancing effects on the proliferation of splenic and intestinal RORγt+ Treg cells in in vitro studies. The above results indicate that core fucosylation of breast milk N-glycans is beneficial for the establishment of RORγt+ Treg cell mediated early-life immune tolerance through the manipulation of symbiotic bacteria in mice.
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Affiliation(s)
- Yuyuan Li
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China.
| | - Xixi Ning
- College of Basic Medical Science, Dalian Medical University, Dalian, China.
| | - Zihui Zhao
- Pelvic Floor Repair Center, Dalian Women and Children's Medical Group, Dalian, China
| | - Xi He
- College of Basic Medical Science, Dalian Medical University, Dalian, China.
| | - Qidi Xue
- College of Basic Medical Science, Dalian Medical University, Dalian, China.
| | - Manlin Zhou
- College of Basic Medical Science, Dalian Medical University, Dalian, China.
| | - Wenzhe Li
- Shantou University Medical College, Shantou, Guangdong, China.
| | - Ming Li
- College of Basic Medical Science, Dalian Medical University, Dalian, China.
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21
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Jia L, Jiang Y, Wu L, Fu J, Du J, Luo Z, Guo L, Xu J, Liu Y. Porphyromonas gingivalis aggravates colitis via a gut microbiota-linoleic acid metabolism-Th17/Treg cell balance axis. Nat Commun 2024; 15:1617. [PMID: 38388542 PMCID: PMC10883948 DOI: 10.1038/s41467-024-45473-y] [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: 01/17/2023] [Accepted: 01/25/2024] [Indexed: 02/24/2024] Open
Abstract
Periodontitis is closely related to inflammatory bowel disease (IBD). An excessive and non-self-limiting immune response to the dysbiotic microbiome characterizes the two. However, the underlying mechanisms that overlap still need to be clarified. We demonstrate that the critical periodontal pathogen Porphyromonas gingivalis (Pg) aggravates intestinal inflammation and Th17/Treg cell imbalance in a gut microbiota-dependent manner. Specifically, metagenomic and metabolomic analyses shows that oral administration of Pg increases levels of the Bacteroides phylum but decreases levels of the Firmicutes, Verrucomicrobia, and Actinobacteria phyla. Nevertheless, it suppresses the linoleic acid (LA) pathway in the gut microbiota, which was the target metabolite that determines the degree of inflammation and functions as an aryl hydrocarbon receptor (AHR) ligand to suppress Th17 differentiation while promoting Treg cell differentiation via the phosphorylation of Stat1 at Ser727. Therapeutically restoring LA levels in colitis mice challenged with Pg exerts anti-colitis effects by decreasing the Th17/Treg cell ratio in an AHR-dependent manner. Our study suggests that Pg aggravates colitis via a gut microbiota-LA metabolism-Th17/Treg cell balance axis, providing a potential therapeutically modifiable target for IBD patients with periodontitis.
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Affiliation(s)
- Lu Jia
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, P. R. China
| | - Yiyang Jiang
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, P. R. China
| | - Lili Wu
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, P. R. China
| | - Jingfei Fu
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, P. R. China
| | - Juan Du
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, P. R. China
| | - Zhenhua Luo
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, P. R. China
| | - Lijia Guo
- Department of Orthodontics School of Stomatology, Capital Medical University, Beijing, P. R. China
| | - Junji Xu
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, P. R. China.
| | - Yi Liu
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, P. R. China.
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22
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Liao JH, He Q, Huang ZW, Yu XB, Yang JY, Zhang Y, Song WJ, Luo J, Tao QW. Network pharmacology-based strategy to investigate the mechanisms of artemisinin in treating primary Sjögren's syndrome. BMC Immunol 2024; 25:16. [PMID: 38347480 PMCID: PMC10860289 DOI: 10.1186/s12865-024-00605-3] [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: 04/10/2023] [Accepted: 01/31/2024] [Indexed: 02/15/2024] Open
Abstract
OBJECTIVE The study aimed to explore the mechanism of artemisinin in treating primary Sjögren's syndrome (pSS) based on network pharmacology and experimental validation. METHODS Relevant targets of the artemisinin and pSS-related targets were integrated by public databases online. An artemisinin-pSS network was constructed by Cytoscape. The genes of artemisinin regulating pSS were imported into STRING database to construct a protein-protein interaction (PPI) network in order to predict the key targets. The enrichment analyses were performed to predict the crucial mechanism and pathway of artemisinin against pSS. The active component of artemisinin underwent molecular docking with the key proteins. Artemisinin was administered intragastrically to SS-like NOD/Ltj mice to validate the efficacy and critical mechanisms. RESULTS Network Pharmacology analysis revealed that artemisinin corresponded to 412 targets, and pSS related to 1495 genes. There were 40 intersection genes between artemisinin and pSS. KEGG indicated that therapeutic effects of artemisinin on pSS involves IL-17 signaling pathway, HIF-1 signaling pathway, apoptosis signaling pathway, Th17 cell differentiation, PI3K-Akt signaling pathway, and MAPK signaling pathway. Molecular docking results further showed that the artemisinin molecule had higher binding energy by combining with the key nodes in IL-17 signaling pathway. In vivo experiments suggested artemisinin can restored salivary gland secretory function and improve the level of glandular damage of NOD/Ltj mice. It contributed to the increase of regulatory T cells (Tregs) and the downregulated secretion of IL-17 in NOD/Ltj model. CONCLUSION The treatment of pSS with artemisinin is closely related to modulating the balance of Tregs and Th17 cells via T cell differentiation.
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Affiliation(s)
- Jia-He Liao
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Qian He
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Zi-Wei Huang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Xin-Bo Yu
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Jian-Ying Yang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Yan Zhang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Wei-Jiang Song
- Traditional Chinese Medicine Department, Peking University Third Hospital, Beijing, China
| | - Jing Luo
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China.
- Beijing Key Laboratory of Immune Inflammatory Disease, China-Japan Friendship Hospital, Beijing, China.
| | - Qing-Wen Tao
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China.
- Beijing Key Laboratory of Immune Inflammatory Disease, China-Japan Friendship Hospital, Beijing, China.
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23
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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.
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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
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24
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Chang L, Wang C, Peng J, Song Y, Zhang W, Chen Y, Peng Q, Li X, Liu X, Lan Y. Rattan Pepper Polysaccharide Regulates DSS-Induced Intestinal Inflammation and Depressive Behavior through Microbiota-Gut-Brain Axis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:437-448. [PMID: 38164789 DOI: 10.1021/acs.jafc.3c08462] [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: 01/03/2024]
Abstract
Inflammatory bowel disease (IBD) is a chronic and recurrent disease. Increasing evidence suggests a higher incidence of depression in IBD patients compared with the general population, but the underlying mechanism remains uncertain. Rattan pepper polysaccharide (RPP) is an important active ingredient of rattan pepper, yet its effects and mechanisms on intestinal inflammation and depression-like behavior remain largely unknown. This study aims to investigate the ameliorating effect of RPP on dextran sulfate sodium salt (DSS)-induced intestinal inflammation and depression-like behavior as well as to reveal its mechanism. Our results indicate that RPP effectively ameliorated intestinal microbiota imbalance and metabolic disorders of short-chain fatty acids (SCFAs) and bile acids in mice with DSS-induced inflammation, contributing to the recovery of intestinal Th17/Treg homeostasis. Importantly, RPP effectively alleviated brain inflammation caused by intestinal inflammatory factors entering the brain through the blood-brain barrier. This effect may be attributed to the inhibition of the TLR4/NF-κB signaling pathway, which alleviates neuroinflammation, and the activation of the CREB/BDNF signaling pathway, which improves synaptic dysfunction. Therefore, our findings suggest that RPP may play a role in alleviating DSS-induced gut inflammation and depression-like behavior through the microbiota-gut-brain axis.
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Affiliation(s)
- Lili Chang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Chendi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jing Peng
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yujie Song
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Wanting Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yurui Chen
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Qiang Peng
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xiulian Li
- School of Pharmacy, Binzhou Medical University, Yantai 264003, Shandong, China
| | - Xuebo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Ying Lan
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
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25
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Li Y, Yao G, Wang R, Zhu J, Li H, Yang D, Ma S, Fu Y, Liu C, Guan S. Maternal immune activation mediated prenatal chronic stress induces Th17/Treg cell imbalance may relate to the PI3K/Akt/NF-κB signaling pathway in offspring rats. Int Immunopharmacol 2024; 126:111308. [PMID: 38061121 DOI: 10.1016/j.intimp.2023.111308] [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: 08/12/2023] [Revised: 11/23/2023] [Accepted: 11/25/2023] [Indexed: 12/28/2023]
Abstract
Maternal immune activation (MIA), defined as elevated levels of inflammatory markers beyond the normal range, can occur due to psychological stress, infection, and other disruptions during pregnancy. MIA affects the immune system development in offspring and increases the risk of immune-related disorders. Limited studies have investigated the effects of prenatal stress on offspring's immune system. In this study, pregnant rats were exposed to chronic unpredictable mild stress (CUMS) during pregnancy, involving seven different stressors. We examined the impact of prenatal stress stimuli on the offspring's immune system and observed activation of the PI3K/Akt/NF-κB signaling pathway, resulting in an imbalance of Th17/Treg cells in the offspring's spleen. Our findings revealed increased plasma levels of corticosterone, IL-1β, and IL-6 in female rats exposed to prenatal stress, as well as elevated serum levels of IL-6 and TNF-α in the offspring. Furthermore, we identified a correlation between cytokine levels in female rats and their offspring. Transcriptome sequencing and qPCR experiments indicated differentially expressed mRNAs in offspring exposed to prenatal stress, which may contribute to the imbalance of Th17/Treg cells through the activation of the Gng3-related PI3K/Akt/NF-κB pathway.
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Affiliation(s)
- Ye Li
- School of Public Health, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan 750004, China
| | - Guixiang Yao
- School of Public Health, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan 750004, China
| | - Rui Wang
- School of Public Health, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan 750004, China
| | - Jiashu Zhu
- School of Public Health, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan 750004, China
| | - Hongyu Li
- School of Public Health, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan 750004, China
| | - Deguang Yang
- School of Public Health, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan 750004, China
| | - Shuqin Ma
- General Hospital of Ningxia Medical University, Yinchuan 750004, China
| | - Youjuan Fu
- School of Public Health, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan 750004, China
| | - Can Liu
- School of Public Health, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan 750004, China
| | - Suzhen Guan
- School of Public Health, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan 750004, China.
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Yuan H, Tian J, Wen L. Serum Interleukin-6 and Serum Ferritin Levels Are the Independent Risk Factors for Pneumonia in Elderly Patients. Crit Rev Immunol 2024; 44:113-122. [PMID: 38618733 DOI: 10.1615/critrevimmunol.2024051340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Pneumonia is a common infection in elderly patients. We explored the correlations of serum interleukin-6 (IL-6) and serum ferritin (SF) levels with immune function/disease severity in elderly pneumonia patients. Subjects were allocated into the mild pneumonia (MP), severe pneumonia (SP), and normal groups, with their age/sex/body mass index/ disease course and severity/blood pressure/comorbidities/medications/prealbumin (PA)/albumin (ALB)/C-reactive protein (CRP)/procalcitonin (PCT)/smoking status documented. The disease severity was evaluated by pneumonia severity index (PSI). T helper 17 (Th17)/regulatory T (Treg) cell ratios and IL-6/SF/immunoglobulin G (IgG)/Th17 cytokine (IL-21)/Treg cytokine (IL-10)/PA/ALB levels were assessed. The correlations between these indexes/independent risk factors in elderly patients with severe pneumonia were evaluated. There were differences in smoking and CRP/PCT/ALB/PA levels among the three groups, but only CRP/ALB were different between the MP/SP groups. Pneumonia patients exhibited up-regulated Th17 cell ratio and serum IL-6/SF/IL-21/IL-10/IgG levels, down-regulated Treg cell ratio, and greater differences were noted in severe cases. Serum IL-6/SF levels were positively correlated with disease severity, immune function, and IL-21/IL-10/IgG levels. Collectively, serum IL-6 and SF levels in elderly pneumonia patients were conspicuously positively correlated with disease severity and IL-21/IL-10/IgG levels. CRP, ALB, IL-6 and SF levels were independent risk factors for severe pneumonia in elderly patients.
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Affiliation(s)
- Hao Yuan
- Department of Pulmonary and Critical Care Medicine, The Fourth Hospital of Changsha, Changsha City, Hunan Province, China
| | - Jing Tian
- Department of Pulmonary and Critical Care Medicine, The Fourth Hospital of Changsha, Changsha City, Hunan Province, China
| | - Lu Wen
- The Fourth Hospital of Changsha
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Arita K, Tao H, Crowe P, Thacher S, Otake S, Kobayashi K, Ebihara S, Okamoto Y, Katsuda Y, Yamaguchi T, Matsushita M. Pharmacological Properties of JTE-151; A Novel Orally Available RORγ Antagonist That Suppresses Th17 Cell-Related Responses in Vitro and in Vivo. Biol Pharm Bull 2024; 47:2050-2057. [PMID: 39675971 DOI: 10.1248/bpb.b24-00490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2024]
Abstract
Retinoid-related orphan receptor-γ (RORγ) is a nuclear receptor that plays important roles in the development and activation of T helper type-17 (Th17) cells. In this study, we characterized the pharmacological profile of JTE-151 ((4S)-6-[(2-chloro-4-methylphenyl)amino]-4-{4-cyclopropyl-5-[cis-3-(2,2-dimethylpropyl)cyclobutyl]isoxazol-3yl}-6-oxohexanoic acid), which is a novel RORγ antagonist identified by our group. JTE-151 dissociated co-activator peptide from the human RORγ-ligand binding domain (LBD) and recruited co-repressor peptide into human RORγ-LBD, and potently inhibited the transcriptional activity of RORγ of human, mouse and rat. JTE-151 also demonstrated high selectivity against other receptors in nuclear receptor family. JTE-151 suppressed the differentiation of mouse naïve CD4+ T cells into Th17 cells without affecting the differentiation of those cells into other CD4+ T cell subsets in vitro. In addition, JTE-151 inhibited the production of interleukin-17 (IL-17) but not interferon-γ (IFN-γ) and IL-4 from activated human helper T cells in vitro. Furthermore, treatment with JTE-151 suppressed the production of IL-17 in antigen-sensitized mice and ameliorated the severity of arthritis in mice with collagen-induced arthritis regardless of treatment start date. Based on these results, we reasoned that JTE-151 could serve as a novel therapeutic compound for various autoimmune diseases linked to Th17 cells, such as psoriasis and rheumatoid arthritis.
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Affiliation(s)
- Kojo Arita
- Central Pharmaceutical Research Institute, Japan Tobacco Inc
| | | | | | | | - Sho Otake
- Central Pharmaceutical Research Institute, Japan Tobacco Inc
| | | | - Shin Ebihara
- Central Pharmaceutical Research Institute, Japan Tobacco Inc
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Wu C, Jiang ML, Pang T, Zhang CJ. T Cell Subsets and Immune Homeostasis. Methods Mol Biol 2024; 2782:39-63. [PMID: 38622391 DOI: 10.1007/978-1-0716-3754-8_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] [Indexed: 04/17/2024]
Abstract
T cells are a heterogeneous group of cells that can be classified into different subtypes according to different classification methods. The body's immune system has a highly complex and effective regulatory network that allows for the relative stability of immune system function. Maintaining proper T cell homeostasis is essential for promoting protective immunity and limiting autoimmunity and tumor formation. Among the T cell family members, more and more T cell subsets have gradually been characterized. In this chapter, we summarize the functions of some key T cell subsets and their impact on immune homeostasis.
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Affiliation(s)
- Chuyu Wu
- Department of Neurology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Screening, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University, Nanjing, China
| | - Mei-Ling Jiang
- Department of Neurology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Tao Pang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Screening, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University, Nanjing, China
| | - Cun-Jin Zhang
- Department of Neurology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
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Rosine N, Fogel O, Koturan S, Rogge L, Bianchi E, Miceli-Richard C. T cells in the pathogenesis of axial spondyloarthritis. Joint Bone Spine 2023; 90:105619. [PMID: 37487956 DOI: 10.1016/j.jbspin.2023.105619] [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: 04/01/2023] [Revised: 06/16/2023] [Accepted: 06/20/2023] [Indexed: 07/26/2023]
Abstract
Axial spondyloarthritis (axSpA) is the prototype of the spondyloarthritis spectrum. The involvement of T cells in its pathogenesis has long been suspected on the basis of the association with the major histocompatibility complex I molecule HLA-B27 and the pivotal role of interleukin 17 in the inflammatory mechanisms associated with the disease. Moreover, the presence of unconventional or "innate-like" T cells within the axial enthesis suggests an important role for these cells in the pathophysiology of the disease. In this review, we describe the characteristics and the interleukin 17 secretion capacity of the T-cell subsets identified in axSpA. We discuss the genetic and epigenetic mechanisms that support the alteration of T-cell functions and promote their activation in axSpA. We also discuss recent data on T cells that could explain the extra-articular manifestations of the SpA spectrum.
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Affiliation(s)
- Nicolas Rosine
- Service de rhumatologie, université Angers, CHU d'Angers, Paris, France.
| | - Olivier Fogel
- Department of Rheumatology, EULAR Center of Excellence, hôpital Cochin, Assistance publique-Hôpitaux de Paris, Paris University, Paris, France
| | - Surya Koturan
- Faculty of Medicine, MRC London Institute of Medical Science, Institute of Clinical Sciences, Imperial College, W12 0NN London, United Kingdom
| | - Lars Rogge
- Immunoregulation Unit, Institut Pasteur, université Paris Cité, 75015 Paris, France
| | - Elisabetta Bianchi
- Immunoregulation Unit, Institut Pasteur, université Paris Cité, 75015 Paris, France
| | - Corinne Miceli-Richard
- Department of Rheumatology, EULAR Center of Excellence, hôpital Cochin, Assistance publique-Hôpitaux de Paris, Paris University, Paris, France
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Lu Y, Zhang P, Xu F, Zheng Y, Zhao H. Advances in the study of IL-17 in neurological diseases and mental disorders. Front Neurol 2023; 14:1284304. [PMID: 38046578 PMCID: PMC10690603 DOI: 10.3389/fneur.2023.1284304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 10/23/2023] [Indexed: 12/05/2023] Open
Abstract
Interleukin-17 (IL-17), a cytokine characteristically secreted by T helper 17 (Th17) cells, has attracted increasing attention in recent years because of its importance in the pathogenesis of many autoimmune or chronic inflammatory diseases. Recent studies have shown that neurological diseases and mental disorders are closely related to immune function, and varying degrees of immune dysregulation may disrupt normal expression of immune molecules at critical stages of neural development. Starting from relevant mechanisms affecting immune regulation, this article reviews the research progress of IL-17 in a selected group of neurological diseases and mental disorders (autism spectrum disorder, Alzheimer's disease, epilepsy, and depression) from the perspective of neuroinflammation and the microbiota-gut-brain axis, summarizes the commonalities, and provides a prospective outlook of target application in disease treatment.
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Affiliation(s)
- Yu Lu
- Department of Pediatrics, Jinan Central Hospital, Shandong University, Jinan, China
| | - Piaopiao Zhang
- Department of Pediatrics, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Fenfen Xu
- Department of Pediatrics, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yuan Zheng
- Department of Pediatrics, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Hongyang Zhao
- Department of Pediatrics, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
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Fan Y, Li Y, Fu X, Peng J, Chen Y, Chen T, Zhang D. Identification of potential ferroptosis key genes and immune infiltration in rheumatoid arthritis by integrated bioinformatics analysis. Heliyon 2023; 9:e21167. [PMID: 37920499 PMCID: PMC10618794 DOI: 10.1016/j.heliyon.2023.e21167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 09/23/2023] [Accepted: 10/17/2023] [Indexed: 11/04/2023] Open
Abstract
Objective Ferroptosis is of vital importance in the development of Rheumatoid arthritis (RA). The purpose of this project is to clarify the potential ferroptosis-related genes, pathways, and immune infiltration in RA by bioinformatics analysis. Methods We acquired ferroptosis-related genes (FRGs) from Ferroptosis database (FerrDb). We obtained the Gene dataset of RA (GSE55235) from the Gene Expression Omnibus (GEO) Database, screened the differentially expressed genes (DEGs) in RA and control samples, and then took the intersection of it and FRGs. Aiming to construct the protein-protein interaction (PPI) networks of the FRGs-DEGs, STRING database and Cytoscape software 3.7.0 would be used. Furthermore, hub genes were identified by CytoNCA, a Cytoscape plug-in. The gene ontology (GO) and the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment of FRGs-DEGs were performed. Results We identified 34 FRGs-DEGs, including 7 upregulated and 27 downregulated genes by taking the intersection of the FRGs and DEGs. PPI analysis identified a total of 3 hub genes(VEGFA, PTGS2, and JUN). GO enrichment analyses and KEGG Pathway enrichment displayed that the FRGs-DEGs are involved in the response to oxidative stress and corticosteroid, heme binding, FoxO-signal pathway. Results of immune infiltration displayed that increased infiltration of T cells, while Macrophages M2 less may be related to the occurrence of RA. Conclusion The hub genes involved in ferroptosis in RA may be VEGFA, PTGS2, and JUN, which are mainly involved in FoxO-signal pathway. T cell, Mac, and plasma cells may be involved in the regulation of RA-joints-synovial-inflammation.
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Affiliation(s)
- Yihua Fan
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan Province, China
| | - Yuan Li
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan Province, China
| | - Xiaoyan Fu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan Province, China
| | - Jing Peng
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan Province, China
| | - Yuchi Chen
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan Province, China
| | - Tao Chen
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, Sichuan Province, China
| | - Di Zhang
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250011, Shandong Province, China
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Wu X, Zhou Z, Cao Q, Chen Y, Gong J, Zhang Q, Qiang Y, Lu Y, Cao G. Reprogramming of Treg cells in the inflammatory microenvironment during immunotherapy: a literature review. Front Immunol 2023; 14:1268188. [PMID: 37753092 PMCID: PMC10518452 DOI: 10.3389/fimmu.2023.1268188] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 08/17/2023] [Indexed: 09/28/2023] Open
Abstract
Regulatory T cells (Treg), as members of CD4+ T cells, have garnered extensive attention in the research of tumor progression. Treg cells have the function of inhibiting the immune effector cells, preventing tissue damage, and suppressing inflammation. Under the stimulation of the tumor inflammatory microenvironment (IM), the reprogramming of Treg cells enhances their suppression of immune responses, ultimately promoting tumor immune escape or tumor progression. Reducing the number of Treg cells in the IM or lowering the activity of Treg cells while preventing their reprogramming, can help promote the body's anti-tumor immune responses. This review introduces a reprogramming mechanism of Treg cells in the IM; and discusses the regulation of Treg cells on tumor progression. The control of Treg cells and the response to Treg inflammatory reprogramming in tumor immunotherapy are analyzed and countermeasures are proposed. This work will provide a foundation for downregulating the immunosuppressive role of Treg in the inflammatory environment in future tumor immunotherapy.
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Affiliation(s)
- Xinyan Wu
- Department of Earth Sciences, Kunming University of Science and Technology, Kunming, China
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Zhigang Zhou
- Department of Oncology, Changde Hospital, Xiangya School of Medicine, Central South University, Changde, China
| | - Qiang Cao
- Department of Earth Sciences, Kunming University of Science and Technology, Kunming, China
- School of Medicine, Macau University of Science and Technology, Macau, Macau SAR, China
| | - Yuquan Chen
- Institute of Medical Information/Library, Chinese Academy of Medical Sciences, Beijing, China
| | - Junling Gong
- School of Public Health, Nanchang University, Qianhu, Nanchang, China
| | - Qi Zhang
- Undergraduate Department, Taishan University, Taian, China
| | - Yi Qiang
- Department of Earth Sciences, Kunming University of Science and Technology, Kunming, China
| | - Yanfeng Lu
- Department of Earth Sciences, Kunming University of Science and Technology, Kunming, China
| | - Guangzhu Cao
- Department of Earth Sciences, Kunming University of Science and Technology, Kunming, China
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Lee JY, Lee JH, Lim HJ, Kim E, Kim DK, Choi JK. Aminooxy acetic acid suppresses Th17-mediated psoriasis-like skin inflammation by inhibiting serine metabolism. Front Pharmacol 2023; 14:1215861. [PMID: 37649889 PMCID: PMC10464615 DOI: 10.3389/fphar.2023.1215861] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 08/04/2023] [Indexed: 09/01/2023] Open
Abstract
Background: Psoriasis is a common chronic inflammatory skin disease characterized by an external red rash that is caused by abnormal proliferation and differentiation of keratinocytes and immune T cells. This study aimed to elucidate the role of aminooxy acetic acid (AOA) in alleviating psoriasis from the perspective of immunology and metabolomics. Therefore, contributing to the development of new drugs as candidates for psoriasis treatment. Methods: To investigate the symptom-alleviating effects and the related mechanisms of AOA on the treatment of psoriasis, we used a 12-O-tetradecanoylphorbol-13-acetate-induced psoriasis-like skin mouse model and interleukin (IL)-17-stimulated human keratinocytes. Results: The results showed that AOA ameliorated psoriasis-related symptoms and decreased inflammation-associated antimicrobial peptides and T-helper 17 (Th17)-associated cytokines in a mouse model of psoriasis. Furthermore, AOA inhibited the activation of mechanistic target of rapamycin (mTOR) by suppressing serine metabolism-related genes. Importantly, mTOR inhibition ameliorated psoriatic disease by affecting the differentiation of various T cells and normalizing the Th17/regulatory T (Treg) cell balance. In addition, IL-17-stimulated human keratinocytes showed the same results as in the in vivo experiments. Conclusion: Taken together, these results suggest that targeting the serine metabolism pathway in the treatment of psoriasis is a novel strategy, and that AOA could be utilized as a novel biologic to treat psoriasis.
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Affiliation(s)
- Jong Yeong Lee
- Department of Immunology, Jeonbuk National University Medical School, Jeonju-si, Republic of Korea
| | - Ji-Hyun Lee
- Department of Immunology, Jeonbuk National University Medical School, Jeonju-si, Republic of Korea
| | - Hyo Jung Lim
- Department of Immunology, Jeonbuk National University Medical School, Jeonju-si, Republic of Korea
| | - Eonho Kim
- Department of Physical Education, Dongguk University, Seoul, Republic of Korea
| | - Dae-Ki Kim
- Department of Immunology, Jeonbuk National University Medical School, Jeonju-si, Republic of Korea
| | - Jin Kyeong Choi
- Department of Immunology, Jeonbuk National University Medical School, Jeonju-si, Republic of Korea
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Wesolowski M, Can P, Warzecha K, Freise F, Carlson R, Neßler J, Tipold A. Long-term changes of Th17 and regulatory T cells in peripheral blood of dogs with spinal cord injury after intervertebral disc herniation. BMC Vet Res 2023; 19:90. [PMID: 37481518 PMCID: PMC10362779 DOI: 10.1186/s12917-023-03647-8] [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: 11/29/2022] [Accepted: 07/12/2023] [Indexed: 07/24/2023] Open
Abstract
BACKGROUND Intervertebral disc herniation (IVDH) is one of the most common causes of spinal cord injury (SCI) in dogs. As a result of acute SCI, a complex inflammatory response occurs in the spinal cord. Th17 cells (Th17) produce pro-inflammatory cytokines, while regulatory T cells (Treg) have opposite effects producing anti-inflammatory cytokines. Therefore, the aim of this study was to determine whether Th17- and Treg cells are involved in the pathogenesis of SCI or whether cellular changes occur due to coexisting inflammatory diseases. We hypothesized that chronic alterations in the Th17/Treg ratio are associated with a worse outcome after SCI. METHODS Twenty-six paretic or plegic dogs with IVDH with and without coexisting inflammatory disease were investigated in the acute stage of the disease and after recovery of SCI. In addition, a healthy control group was included (n = 14). Quantification of Th17 and Treg cells, from peripheral blood samples, was performed by multicolor flow cytometry and IL17 was measured using an enzyme-linked immunosorbent assay (ELISA). RESULTS After recovery significantly higher levels of Th17 (p = 0.0265) and Treg cells (p = 0.00025) were detected compared to acute IVDH but Th17/Treg ratio did not differ significantly. Recovered dogs and the control group did not differ significantly from each other. No association between an imbalance in the ratio and neurologic severity or underlying inflammatory diseases was found. CONCLUSION This study demonstrated that altered Th17 and Treg levels in peripheral blood are altered in the acute stage of IVDH, preexisting inflammatory diseases seem not to influence these cell populations. Th17 and Treg cells could be considered when evaluating new treatment strategies for SCI.
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Affiliation(s)
- M Wesolowski
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany.
| | - P Can
- Department of Surgery, Faculty of Veterinary Medicine, University of Ankara, Ankara, Turkey
| | - K Warzecha
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany
| | - F Freise
- Department of Biometry, Epidemiology and Information Processing, University of Veterinary Medicine, Hannover, Germany
| | - R Carlson
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany
| | - J Neßler
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany
| | - A Tipold
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany
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Pan Y, Yang W, Tang B, Wang X, Zhang Q, Li W, Li L. The protective and pathogenic role of Th17 cell plasticity and function in the tumor microenvironment. Front Immunol 2023; 14:1192303. [PMID: 37457739 PMCID: PMC10339829 DOI: 10.3389/fimmu.2023.1192303] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 06/19/2023] [Indexed: 07/18/2023] Open
Abstract
At the turn of the century, researchers discovered a unique subtype of T helper cells that secretes IL-17 and defined it as Th17. The latest study found that Th17 cells play both positive and negative definitive roles in the regulation of antitumor immune responses. Although the function of Th17 in the tumor microenvironment remains poorly understood, more and more studies have shown that this paradoxical dual role is closely related to the plasticity of Th17 cells in recent decades. Further understanding of the characteristics of Th17 cells in the tumor microenvironment could yield novel and useful therapeutic approaches to treat cancer. In this review, we further present the high plasticity of Th17 cells and the function of Th17-producing IL-17 in tumor immunity.
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Wang J, He L, Wang S, Zhao H, Chen J, Dong Y, Yasen S, Wang L, Zou H. Therapeutic effect of the total saponin from Panax Japonicus on experimental autoimmune encephalomyelitis by attenuating inflammation and regulating gut microbiota in mice. JOURNAL OF ETHNOPHARMACOLOGY 2023:116681. [PMID: 37230280 DOI: 10.1016/j.jep.2023.116681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 05/18/2023] [Accepted: 05/22/2023] [Indexed: 05/27/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Rhizomes of Panax japonicus (RPJ), a traditional herbal medicine, was used for treating arthritis and physical weakness in China from the Ming dynasty. Triterpene saponins are the main bioactive components of RPJ. In this work, for the first time, we evaluate the therapeutic effect of the total saponin from RPJ (TSPJ) on experimental autoimmune encephalomyelitis (EAE) mice induced by myelin oligodendrocyte glycoprotein (MOG) 35-55, a commonly used animal model of Multiple sclerosis (MS). AIM OF THE STUDY To evaluate the therapeutic effect of TSPJ on EAE and explored its possible underlying mechanisms. MATERIALS AND METHODS EAE was induced by MOG 35-55. Mice were administrated with TSPJ (36.5 mg/kg, 73 mg/kg) and prednisone acetate (positive control) orally once daily up to 28 days postimmunization, and their neurological deficit was scored. Hematoxylin and Eosin (HE), Luxol Fast Blue (LFB), and transmission electron microscopy (TEM) were carried out to evaluate the EAE-induced pathological changes in the brain and spinal cord. IL-17a and Foxp3 levels in central nervous system(CNS)were evaluated by immunohistochemical staining. The changes in IL-1β, IL-6, and TNF-α levels in serum and CNS were measured with ELISA. Quantitative reverse transcription PCR (qRT-PCR) was used to access mRNA expression in CNS of the above indices. The percentages of Th1, Th2, Th17and Treg cells in spleen were determined by Flow Cytometry (FCM). Furthermore, 16S rDNA sequencing was used to detect the intestinal flora of mice in each group. In vitro studies, lipopolysaccharides (LPS)-induced BV2 microglia cells were used and the expression of TLR4, MyD88, p65, and p-p65 in cells was detected by Western blot. RESULTS TSPJ treatment significantly alleviated neurological impairment caused by EAE. Histological examination confirmed the protective effects of TSPJ on myelin sheath and the reduction of inflammatory cell infiltration in the brain and spinal cord of EAE mice. TSPJ notably downregulated the ratio of IL-17a/Foxp3 at protein and mRNA levels in CNS, as well as Th17/Treg and Th1/Th2 cell ratios in the spleen of EAE mice. The levels of TNF-α, IL-6, and IL-1β in CNS and peripheral serum also decreased post-TSPJ treatment. In vitro, TSPJ suppressed LPS-induced production of inflammatory factors in BV2 cells via TLR4-MyD88-NF-κB signaling pathway. More importantly, TSPJ interventions altered the composition of gut microbiota and restored the ratio of Firmicutes to Bacteroidetes in EAE mice. Furthermore, Spearman's correlation analysis revealed that a relationship existed between statistically significantly altered genera and CNS inflammatory indices. CONCLUSION Our results demonstrated TSPJ had therapeutic effects on EAE. Its anti-neuroinflammation property in EAE was related to modulating gut microbiota and inhibiting TLR4-MyD88-NF-κB signaling pathway. Our study indicated that TSPJ may be a potential candidate for the treatment of MS.
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Affiliation(s)
- Jing Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China
| | - Liying He
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China
| | - Siyuan Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
| | - Hui Zhao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
| | - Jie Chen
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
| | - Yixin Dong
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
| | - Subinuer Yasen
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
| | - Lei Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
| | - Haiyan Zou
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China.
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Davydova A, Kurochkina Y, Goncharova V, Vorobyeva M, Korolev M. The Interleukine-17 Cytokine Family: Role in Development and Progression of Spondyloarthritis, Current and Potential Therapeutic Inhibitors. Biomedicines 2023; 11:1328. [PMID: 37238999 PMCID: PMC10216275 DOI: 10.3390/biomedicines11051328] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023] Open
Abstract
Spondyloarthritis (SpA) encompasses a group of chronic inflammatory rheumatic diseases with a predilection for the spinal and sacroiliac joints, which include axial spondyloarthritis, psoriatic arthritis, reactive arthritis, arthritis associated with chronic inflammatory bowel disease, and undifferentiated spondyloarthritis. The prevalence of SpA in the population varies from 0.5 to 2%, most commonly affecting young people. Spondyloarthritis pathogenesis is related to the hyperproduction of proinflammatory cytokines (TNFα, IL-17A, IL-23, etc.). IL-17A plays a key role in the pathogenesis of spondyloarthritis (inflammation maintenance, syndesmophites formation and radiographic progression, enthesites and anterior uveitis development, etc.). Targeted anti-IL17 therapies have established themselves as the most efficient therapies in SpA treatment. The present review summarizes literature data on the role of the IL-17 family in the pathogenesis of SpA and analyzes existing therapeutic strategies for IL-17 suppression with monoclonal antibodies and Janus kinase inhibitors. We also consider alternative targeted strategies, such as the use of other small-molecule inhibitors, therapeutic nucleic acids, or affibodies. We discuss advantages and pitfalls of these approaches and the future prospects of each method.
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Affiliation(s)
- Anna Davydova
- Research Institute of Clinical and Experimental Lymphology, Affiliated Branch of Federal Research Center of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, 630060 Novosibirsk, Russia; (Y.K.); (V.G.); (M.K.)
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, 630090 Novosibirsk, Russia;
| | - Yuliya Kurochkina
- Research Institute of Clinical and Experimental Lymphology, Affiliated Branch of Federal Research Center of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, 630060 Novosibirsk, Russia; (Y.K.); (V.G.); (M.K.)
| | - Veronika Goncharova
- Research Institute of Clinical and Experimental Lymphology, Affiliated Branch of Federal Research Center of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, 630060 Novosibirsk, Russia; (Y.K.); (V.G.); (M.K.)
| | - Mariya Vorobyeva
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, 630090 Novosibirsk, Russia;
| | - Maksim Korolev
- Research Institute of Clinical and Experimental Lymphology, Affiliated Branch of Federal Research Center of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, 630060 Novosibirsk, Russia; (Y.K.); (V.G.); (M.K.)
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Yan T, Zhang Z. Adaptive and innate immune pathogenesis of bullous pemphigoid: A review. Front Immunol 2023; 14:1144429. [PMID: 36993969 PMCID: PMC10041874 DOI: 10.3389/fimmu.2023.1144429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 02/24/2023] [Indexed: 03/12/2023] Open
Abstract
Bullous pemphigoid (BP) is an autoimmune blistering disease that primarily affects elderly individuals. The presentation of BP is heterogeneous, typically manifesting as microscopic subepidermal separation with a mixed inflammatory infiltrate. The mechanism of pemphigoid development is unclear. B cells play a major role in pathogenic autoantibody production, and T cells, type II inflammatory cytokines, eosinophils, mast cells, neutrophils, and keratinocytes are also implicated in the pathogenesis of BP. Here, we review the roles of and crosstalk between innate and adaptive immune cells in BP.
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Affiliation(s)
- Tianmeng Yan
- Department of Dermatology, The University of Hong Kong Shenzhen Hospital, Shenzhen, China
| | - Zhenying Zhang
- Department of Dermatology, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
- *Correspondence: Zhenying Zhang,
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Zhu X, Wang P, Zhan X, Zhang Y, Sheng J, He S, Chen Y, Nie D, You X, Mai H, Yu Q, Li L, Jie L, Hu S. USP1-regulated reciprocal differentiation of Th17 cells and Treg cells by deubiquitinating and stabilizing TAZ. Cell Mol Immunol 2023; 20:252-263. [PMID: 36600049 PMCID: PMC9970968 DOI: 10.1038/s41423-022-00969-9] [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: 09/26/2022] [Accepted: 12/11/2022] [Indexed: 01/06/2023] Open
Abstract
The balance between inflammatory T helper type 17 (Th17) and immunosuppressive regulatory T (Treg) cells is critical for maintaining immune homeostasis in the human body and is tightly regulated under healthy conditions. An increasing number of studies have reported that deubiquitinases (DUBs) play a vital role in regulating Th17- and Treg-cell differentiation. However, the biological functions of only a small fraction of DUBs in Th17- and Treg-cell differentiation are well defined. In this study, we identified ubiquitin-specific peptidase 1 (USP1) as a vital regulator of CD4+ T-cell differentiation. USP1 promoted Th17-cell differentiation but attenuated Treg-cell differentiation, thereby promoting the development of inflammatory diseases. Mechanistically, USP1 in CD4+ T cells enhanced the activity of RORγt but promoted the proteasomal degradation of Foxp3 through deubiquitination and stabilization of TAZ in vitro and in vivo. Notably, ML323, a specific inhibitor of the USP1/UAF1 deubiquitinase complex, inhibited Th17-cell differentiation and promoted Treg-cell differentiation in vitro and in vivo, indicating that ML323 might be a promising candidate for the treatment of diseases associated with an imbalance between Th17 and Treg cells. Our study highlights the critical role of USP1 in regulating adaptive immune responses and suggests that USP1 might be a drug target for the treatment of diseases associated with an imbalance between Th17 and Treg cells.
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Affiliation(s)
- Xiaotong Zhu
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Peng Wang
- Department of Emergency Medicine, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiaoxia Zhan
- Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yuping Zhang
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Junli Sheng
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
- Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
| | - Shitong He
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
- Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
| | - Yitian Chen
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
- Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
| | - Dingnai Nie
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
- Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiaolong You
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
- Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
| | - Haiyan Mai
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
- Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China
| | - Qinghong Yu
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Laisheng Li
- Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Ligang Jie
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital, Southern Medical University, Guangzhou, China.
| | - Shengfeng Hu
- Department of Rheumatology and Clinical Immunology, Zhujiang Hospital, Southern Medical University, Guangzhou, China.
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China.
- Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong, China.
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Ageeli RY, Sharma S, Puppa M, Bloomer RJ, Buddington RK, van der Merwe M. Fasting Protocols Do Not Improve Intestinal Architecture and Immune Parameters in C57BL/6 Male Mice Fed a High Fat Diet. MEDICINES (BASEL, SWITZERLAND) 2023; 10:18. [PMID: 36827218 PMCID: PMC9961949 DOI: 10.3390/medicines10020018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/08/2023] [Accepted: 02/09/2023] [Indexed: 02/22/2023]
Abstract
BACKGROUND The intestinal ecosystem, including epithelium, immune cells, and microbiota, are influenced by diet and timing of food consumption. The purpose of this study was to evaluate various dietary protocols after ad libitum high fat diet (HFD) consumption on intestinal morphology and mucosal immunity. METHODS C57BL/6 male mice were fed a 45% high fat diet (HFD) for 6 weeks and then randomized to the following protocols; (1) chow, (2) a purified high fiber diet known as the Daniel Fast (DF), HFD consumed (3) ad libitum or in a restricted manner; (4) caloric-restricted, (5) time-restricted (six hours of fasting in each 24 h), or (6) alternate-day fasting (24 h fasting every other day). Intestinal morphology and gut-associated immune parameters were investigated after 2 months on respective protocols. RESULTS Consuming a HFD resulted in shortening of the intestine and reduction in villi and crypt size. Fasting, while consuming the HFD, did not restore these parameters to the extent seen with the chow and DF diet. Goblet cell number and regulatory T cells had improved recovery with high fiber diets, not seen with the HFD irrespective of fasting. CONCLUSION Nutritional content is a critical determinant of intestinal parameters associated with gut health.
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Affiliation(s)
| | | | | | | | | | - Marie van der Merwe
- College of Health Sciences, The University of Memphis, Memphis, TN 38152, USA
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Novel Strategy for Alzheimer’s Disease Treatment through Oral Vaccine Therapy with Amyloid Beta. Biologics 2023. [DOI: 10.3390/biologics3010003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Alzheimer’s disease (AD) is a neuropathology characterized by progressive cognitive impairment and dementia. The disease is attributed to senile plaques, which are aggregates of amyloid beta (Aβ) outside nerve cells; neurofibrillary tangles, which are filamentous accumulations of phosphorylated tau in nerve cells; and loss of neurons in the brain tissue. Immunization of an AD mouse model with Aβ-eliminated pre-existing senile plaque amyloids and prevented new accumulation. Furthermore, its effect showed that cognitive function can be improved by passive immunity without side effects, such as lymphocyte infiltration in AD model mice treated with vaccine therapy, indicating the possibility of vaccine therapy for AD. Further, considering the possibility of side effects due to direct administration of Aβ, the practical use of the safe oral vaccine, which expressed Aβ in plants, is expected. Indeed, administration of this oral vaccine to Alzheimer’s model mice reduced Aβ accumulation in the brain. Moreover, almost no expression of inflammatory IgG was observed. Therefore, vaccination prior to Aβ accumulation or at an early stage of accumulation may prevent Aβ from causing AD.
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Minohara K, Imai M, Matoba T, Wing JB, Shime H, Odanaka M, Uraki R, Kawakita D, Toyama T, Takahashi S, Morita A, Murakami S, Ohkura N, Sakaguchi S, Iwasaki S, Yamazaki S. Mature dendritic cells enriched in regulatory molecules may control regulatory T cells and the prognosis of head and neck cancer. Cancer Sci 2022; 114:1256-1269. [PMID: 36529525 PMCID: PMC10067395 DOI: 10.1111/cas.15698] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 12/04/2022] [Accepted: 12/10/2022] [Indexed: 12/23/2022] Open
Abstract
We previously reported that regulatory T (Treg) cells expressing CTLA-4 on the cell surface are abundant in head and neck squamous cell carcinoma (HNSCC). The role of expanded Treg cells in the tumor microenvironment of HNSCC remains unclear. In this study, we reveal that the tumor microenvironment of HNSCC is characterized by the high expression of genes related to Treg cells, dendritic cells (DCs), and interleukin (IL)-17-related molecules. Increased expression of IL17A, IL17F, or IL23A contributes to a favorable prognosis of HNSCC. In the tumor microenvironment of HNSCC, IL23A and IL12B are expressed in mature dendritic cells enriched in regulatory molecules (mregDCs). The mregDCs in HNSCC are a migratory and mature phenotype; their signature genes strongly correlate with Treg signature genes in HNSCC. We also observed that IL17A was highly expressed in Th17 cells and exhausted CD8+ T cells in HNSCC. These data suggest that mregDCs in HNSCC may contribute to the prognosis by balancing Treg cells and effector T cells that produce IL-17. Targeting mregDCs may be a novel strategy for developing new immune therapies against HNSCC.
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Affiliation(s)
- Kiyoshi Minohara
- Department of Immunology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.,Department of Otorhinolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Masaki Imai
- Department of Immunology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Takuma Matoba
- Department of Immunology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.,Department of Otorhinolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - James Badger Wing
- Laboratory of Human Immunology (Single Cell Immunology), Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Human Single Cell Immunology Team, Center for Infectious Disease Education and Research, Osaka University, Osaka, Japan
| | - Hiroaki Shime
- Department of Immunology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Mizuyu Odanaka
- Department of Immunology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Ryuta Uraki
- Department of Immunology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.,Division of Virology, Institute of Medical Science, University of Tokyo, Tokyo, Japan.,The Research Center for Global Viral Diseases, National Center for Global Health and Medicine Research Institute, Tokyo, Japan
| | - Daisuke Kawakita
- Department of Otorhinolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Tatsuya Toyama
- Department of Breast Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University, Graduate School of Medical Sciences, Nagoya, Japan
| | - Akimichi Morita
- Department of Geriatric and Environmental Dermatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Shingo Murakami
- Department of Otorhinolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Naganari Ohkura
- Department of Experimental Immunology, World Premier International Research Center Initiative, Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Department of Frontier Research in Tumor Immunology, Center of Medical Innovation and Translational Research, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Shimon Sakaguchi
- Department of Experimental Immunology, World Premier International Research Center Initiative, Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Shinichi Iwasaki
- Department of Otorhinolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Sayuri Yamazaki
- Department of Immunology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
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IL-33 Deficiency Attenuates Lung Inflammation by Inducing Th17 Response and Impacting the Th17/Treg Balance in LPS-Induced ARDS Mice via Dendritic Cells. J Immunol Res 2022; 2022:9543083. [PMID: 36570798 PMCID: PMC9788894 DOI: 10.1155/2022/9543083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 11/25/2022] [Accepted: 11/26/2022] [Indexed: 12/23/2022] Open
Abstract
Objectives The characteristic pathophysiological feature of acute respiratory distress syndrome (ARDS) is a dysregulated inflammatory response. T helper 17 (Th17) cells in the lung are inflammatory cells that contribute to pulmonary inflammatory cascades. In addition, Th17/regulatory T cells (Treg cells) also play an important role in the inflammatory process. Dendritic cells (DCs) can regulate the differentiation of CD4+ T cells, including Th17 and Treg cells. Recent evidence revealed that interleukin-33 (IL-33) signaling could activate and mature DCs. Therefore, the aim of this study was to investigate the effects of IL-33 on inflammation and immunoregulation by inducing the Th17 response and influencing the Th17/Treg balance in LPS-induced ARDS. Methods IL-33 gene knockout mice and the administration of recombinant mouse IL-33 (rmIL-33) were used to investigate the role of IL-33 and the underlying mechanisms in an LPS-induced ARDS model. Hematoxylin and eosin (H&E) staining, wet/dry (W/D) weight ratios, cell counts, and the levels of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6), interleukin-17 (IL-17), and interleukin-10 (IL-10) in bronchoalveolar lavage fluid (BALF) were investigated. The levels of IL-33, orphan nuclear receptor gamma t (RORγt), and forkhead transcription factor protein 3 (FOXP3) protein in lung tissue were evaluated by Western blotting. The mRNA expression levels of IL-33 and RORγt were measured by quantitative real-time polymerase chain reaction (qRT-PCR). Th17 and Treg cell frequencies were determined by flow cytometry. The levels of IL-6 in the supernatant in a dendritic cell culture system were examined by ELISA. Results Increased expression of IL-33 was observed in mice with LPS-induced ARDS. IL-33 deficiency significantly inhibited inflammation and attenuated LPS-induced ARDS, whereas pretreatment with rmIL-33 aggravated pulmonary inflammatory response. Furthermore, depletion of IL-33 inhibited Th17 cells, significantly decreased RORγt mRNA and protein expression and IL-17 levels in BALF, and led to less differentiation of T cells into Th17 cells than Treg cells. Moreover, IL-33-/- DCs secreted less IL-6 and IL-23 than normal control DCs. Conclusion IL-33 deficiency alleviated lung injury in the LPS-induced ARDS model, which was closely related to suppressing Th17 responses and regulating the Th17/Treg balance. The expansion of Th17 cells and imbalance in Th17/Treg cells may be associated with IL-6 and IL-23 secreted from IL-33-activated DCs.
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Traditional Chinese Medicine Regulates Th17/Treg Balance in Treating Inflammatory Bowel Disease. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:6275136. [PMID: 36159571 PMCID: PMC9499767 DOI: 10.1155/2022/6275136] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 08/20/2022] [Indexed: 01/30/2023]
Abstract
Inflammatory bowel disease (IBD), also known as chronic nonspecific inflammatory disease of the colon and rectum, is primarily characterized by mucopurulent bloody stools, diarrhea, abdominal pain, and tenesmus. Its cause is uncertain. IBD patients frequently experience a high rate of recurrence, a protracted treatment course, and a high risk of carcinogenesis. Additionally, the difficulty of treatment is significantly increased by these illness characteristics. Currently, the normal treatment for this illness can lessen symptoms to some amount and even meet clinical treatment requirements, but due to serious side effects, unfavorable reactions, and high costs, we need to develop better complementary and alternative medicines. A number of studies have found that the imbalance of T helper cell 17 (Th17)/regulatory T cells (Treg) contributes significantly to the occurrence and progression of IBD and that Th17/Treg balance restoration is frequently useful in the management of IBD. As a result, regulating the Th17/Treg balance has also emerged as a novel approach to treating IBD. Traditional Chinese medicine (TCM) has gained popularity in recent years due to its advantages of low side effects, a variety of targets, and multiple regulatory mechanisms. A number of studies have shown that TCM can successfully intervene in the Th17/Treg imbalance and restore it, and research on the prevention and treatment of IBD by TCM by restoring Th17/Treg has also shown promising results. The characteristics of the Th17/Treg balance and its role in the pathogenesis of IBD, as well as the role of TCM in regulating the Th17/Treg imbalance, are analyzed. The research results are expected to provide a theoretical basis for the clinical treatment and pathology mechanism research of IBD.
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Liu Z, Zhang Y, Xiang Y, Kang X. Small-Molecule PROTACs for Cancer Immunotherapy. Molecules 2022; 27:5439. [PMID: 36080223 PMCID: PMC9458232 DOI: 10.3390/molecules27175439] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 11/18/2022] Open
Abstract
Unsatisfactory physicochemical properties of macromolecular drugs seriously hinder their application in tumor immunotherapy. However, these problems can be effectively solved by small-molecule compounds. In the promising field of small-molecule drug development, proteolysis targeting chimera (PROTAC) offers a novel mode of action in the interactions between small molecules and therapeutic targets (mainly proteins). This revolutionary technology has shown considerable impact on several proteins related to tumor survival but is rarely exploited in proteins associated with immuno-oncology up until now. This review attempts to comprehensively summarize the well-studied and less-developed immunological targets available for PROTAC technology, as well as some targets to be explored, aiming to provide more options and opportunities for the development of small-molecule-based tumor immunotherapy. In addition, some novel directions that can magnify and broaden the protein degradation efficiency are mentioned to improve PROTAC design in the future.
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Affiliation(s)
| | | | | | - Xin Kang
- West China (Airport) Hospital, Sichuan University, Chengdu 610047, China
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Le Menn G, Jabłońska A, Chen Z. The effects of post-translational modifications on Th17/Treg cell differentiation. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119223. [PMID: 35120998 DOI: 10.1016/j.bbamcr.2022.119223] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 01/14/2022] [Accepted: 01/26/2022] [Indexed: 01/07/2023]
Abstract
Regulatory T (Treg) cells and Th17 cells are subsets of CD4+ T cells which play an essential role in immune homeostasis and infection. Dysregulation of the Th17/Treg cell balance was shown to be implicated in the development and progression of several disorders such as autoimmune disease, inflammatory disease, and cancer. Multiple factors, including T cell receptor (TCR) signals, cytokines, metabolic and epigenetic regulators can influence the differentiation of Th17 and Treg cells and affect their balance. Accumulating evidence indicates that the activity of key molecules such as forkhead box P3 (Foxp3), the retinoic acid-related orphan receptor gamma t (RORγt), and signal transducer and activator of transcription (STAT)s are modulated by the number of post-translational modifications (PTMs) such as phosphorylation, methylation, nitrosylation, acetylation, glycosylation, lipidation, ubiquitination, and SUMOylation. PTMs might affect the protein folding efficiency and protein conformational stability, and consequently determine protein structure, localization, and function. Here, we review the recent progress in our understanding of how PTMs modify the key molecules involved in the Th17/Treg cell differentiation, regulate the Th17/Treg balance, and initiate autoimmune diseases caused by dysregulation of the Th17/Treg balance. A better understanding of Th17/Treg regulation may help to develop novel potential therapeutics to treat immune-related diseases.
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Affiliation(s)
- Gwenaëlle Le Menn
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland.
| | - Agnieszka Jabłońska
- Intercollegiate Faculty of Biotechnology of University of Gdańsk and Medical University of Gdańsk, University of Gdańsk, Poland.
| | - Zhi Chen
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland; Intercollegiate Faculty of Biotechnology of University of Gdańsk and Medical University of Gdańsk, University of Gdańsk, Poland.
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He X, Liu L, Luo X, Zhu J, Yang H, Wang J, Chen L, Zhong L. Astragalus Polysaccharide Relieves Inflammatory Responses in Guinea Pigs with Allergic Rhinitis via Ameliorating NF-kB-Mediated Treg/Th17 Imbalance. Am J Rhinol Allergy 2022; 36:638-648. [PMID: 35585694 DOI: 10.1177/19458924221098847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Allergic rhinitis (AR) is regarded as a prevalent and non-infectious inflammation in nasal mucosa, and astragalus polysaccharide (APS) could mitigate inflammation. OBJECTIVES Herein, this study probed the specific mechanism of APS in inflammatory responses in AR. METHODS Firstly, AR guinea pig models were established through the stimulation and sensitization of ovalbumin (OVA) and received APS treatment. Changes in nasal symptoms were assessed through counting the sneezing and rubbing times of guinea pigs. The change patterns of OVA-specific immunoglobulin-E (OVA-sIgE), OVA-specific immunoglobulin-G1 (OVA-sIgG1), tumor necrosis factor (TNF)-α, and interleukin (IL)-6 in guinea pig serum were identified. Meanwhile, the levels of IL-17, transforming growth factor (TGF)-β, IL-10, and forkhead box protein P3 (Foxp3) in the guinea pig tissues or serum were examined, and CD25+Foxp3+Treg or CD4+IL17+Th17 cell proportion was detected. Afterwards, nuclear factor-kappa B (NF-kB) expression in guinea pig nasal mucosa tissues were examined. Rescue experiments were designed to probe the role of NF-kB overexpression in inflammatory responses and Treg/Th17 imbalance in AR guinea pigs. RESULTS APS treatment reduced sneezing and rubbing times of AR guinea pigs and suppressed OVA-sIgE, OVA-sIgG1, TNF-α, and IL-6 levels in guinea pig serum, and meanwhile, increased CD25+Foxp3+Treg cell proportion while reduced CD4+IL17+Th17 cell proportion in AR guinea pig serum or tissues, in a dose-dependent manner. NF-kB was highly-expressed in AR guinea pigs and down-regulated after APS treatment. NF-kB overexpression facilitated inflammatory responses and Treg/Th17 imbalance in AR. CONCLUSION APS reduced Treg/Th17 imbalance via suppressing NF-kB expression, thereby ameliorating inflammatory responses in AR.
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Affiliation(s)
- Xian He
- Department of Otorhinolaryngology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, China
| | - Lei Liu
- Department of Otorhinolaryngology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, China
| | - Xiaoqin Luo
- Department of Otorhinolaryngology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, China
| | - Jiali Zhu
- Department of Otorhinolaryngology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, China
| | - Haoxiang Yang
- Department of Otolaryngology, The Second People's Hospital of Yibin, Yibin City, China
| | - Jian Wang
- Department of Otorhinolaryngology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, China
| | - Long Chen
- Department of Otorhinolaryngology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, China
| | - Lunkun Zhong
- Department of Otorhinolaryngology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, China
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Qi WH, Zhang YY, Xing K, Hao DX, Zhang F, Wang RN, Bao MY, Tian MY, Yang YN, Li X, Zhang Y. 2', 4'-Dihydroxy-2,3-dimethoxychalcone: A pharmacological inverse agonist of RORγt ameliorating Th17-driven inflammatory diseases by regulating Th17/Treg. Int Immunopharmacol 2022; 108:108769. [PMID: 35453073 DOI: 10.1016/j.intimp.2022.108769] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/08/2022] [Accepted: 04/08/2022] [Indexed: 11/05/2022]
Abstract
Multiple sclerosis, inflammatory bowel disease and organ transplant rejection are related to Th17 cell development and inflammatory respond. RORγt, a specific transcription factor regulating Th17 cell differentiation, is a pivotal target for the treatment of diseases. However, the clinical application of RORγt inverse agonists reported so far has been hindered due to limited efficacy and toxic side effects. Plant-derived natural products with drug-like properties and safety are wide and valuable resources for candidate drug discovery. Herein, structure-based virtual screening was used to find out 2',4'-Dihydroxy-2,3-dimethoxychalcone (DDC), a chalcone derivative rich in plants and food, located in the binding pocket of RORγt and targeted to inhibit RORγt activity. DDC repressed murine Th17 differentiation and promoted Treg differentiation remarkably in a dose-dependent manner. In addition, DDC treatment improved experimental autoimmune encephalomyelitis recovery, ameliorated experimental colitis severity, and prevented graft rejection significantly. Mechanically, DDC indirectly stabilized Foxp3 expression by inhibiting RORγt activity and the expression of its target gene profile in vitro and in vivo, which realized its regulation of Th17/Treg balance. In conclusion, our study provides a scientific basis that DDC, as an inverse agonist of RORγt with simple structure, rich sources, low cost, high efficiency, and low toxicity, has great potential for the development of a novel effective immunomodulator for the treatment of Th17-mediated inflammatory diseases.
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Affiliation(s)
- Wen-Hui Qi
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Yan-Yan Zhang
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China; Haojing College of Shaanxi University of Science & Technology, Xi'an, Shaanxi 712000, China
| | - Kun Xing
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Dong-Xia Hao
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Fei Zhang
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Rui-Ning Wang
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Ming-Yue Bao
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Meng-Yuan Tian
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Ya-Na Yang
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Xing Li
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China
| | - Yuan Zhang
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry (Shaanxi Normal University), The Ministry of Education; National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China; College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710119, China.
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49
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Xiao QP, Zhong YB, Kang ZP, Huang JQ, Fang WY, Wei SY, Long J, Li SS, Zhao HM, Liu DY. Curcumin regulates the homeostasis of Th17/Treg and improves the composition of gut microbiota in type 2 diabetic mice with colitis. Phytother Res 2022; 36:1708-1723. [PMID: 35234309 PMCID: PMC9310646 DOI: 10.1002/ptr.7404] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/18/2022] [Accepted: 01/22/2022] [Indexed: 02/06/2023]
Abstract
Diabetes mellitus (DM) is one of the most common complications in patients with ulcerative colitis (UC). Curcumin has a wide range of bioactive and pharmacological properties and is commonly used as an adjunct to the treatment of UC and DM. However, the role of curcumin in UC complicated by DM has not been elucidated. Therefore, this study was conducted to construct a model of UC complicating diabetes by inducing UC in DB mice (spontaneously diabetic) with dextran sodium sulfate. In this study, curcumin (100 mg/kg/day) significantly improved the symptoms of diabetes complicated by UC, with a lower insulin level, heavier weight, longer and lighter colons, fewer mucosal ulcers and less inflammatory cell infiltration. Moreover, compared to untreated DB mice with colitis, curcumin‐treated mice showed weaker Th17 responses and stronger Treg responses. In addition, curcumin regulated the diversity and relative abundance of intestinal microbiota in mice with UC complicated by DM at the phylum, class, order, family and genus levels. Collectively, curcumin effectively alleviated colitis in mice with type 2 diabetes mellitus by restoring the homeostasis of Th17/Treg and improving the composition of the intestinal microbiota
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Affiliation(s)
- Qiu-Ping Xiao
- Laboratory Animal Research Center for Science and Technology, Jiangxi University of Traditional Chinese Medicine, Nanchang, China.,Research and Development Department, Jiangzhong Pharmaceutical Co., Ltd, Nanchang, China
| | - You-Bao Zhong
- Laboratory Animal Research Center for Science and Technology, Jiangxi University of Traditional Chinese Medicine, Nanchang, China.,Key Laboratory of Animal Model of TCM Syndromes of Depression, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Zeng-Ping Kang
- College of Traditional Chinese Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Jia-Qi Huang
- College of Traditional Chinese Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Wei-Yan Fang
- College of Traditional Chinese Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Si-Yi Wei
- College of Traditional Chinese Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Jian Long
- College of Traditional Chinese Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Shan-Shan Li
- Laboratory Animal Research Center for Science and Technology, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Hai-Mei Zhao
- Department of Postgraduate, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Duan-Yong Liu
- Formula-Pattern Research Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
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50
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Moran CA, Collins LF, Beydoun N, Mehta PK, Fatade Y, Isiadinso I, Lewis TT, Weber B, Goldstein J, Ofotokun I, Quyyumi A, Choi MY, Titanji K, Lahiri CD. Cardiovascular Implications of Immune Disorders in Women. Circ Res 2022; 130:593-610. [PMID: 35175848 PMCID: PMC8869407 DOI: 10.1161/circresaha.121.319877] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Immune responses differ between men and women, with women at higher risk of developing chronic autoimmune diseases and having more robust immune responses to many viruses, including HIV and hepatitis C virus. Although immune dysregulation plays a prominent role in chronic systemic inflammation, a key driver in the development of atherosclerotic cardiovascular disease (ASCVD), standard ASCVD risk prediction scores underestimate risk in populations with immune disorders, particularly women. This review focuses on the ASCVD implications of immune dysregulation due to disorders with varying global prevalence by sex: autoimmune disorders (female predominant), HIV (male-female equivalent), and hepatitis C virus (male predominant). Factors contributing to ASCVD in women with immune disorders, including traditional risk factors, dysregulated innate and adaptive immunity, sex hormones, and treatment modalities, are discussed. Finally, the need to develop new ASCVD risk stratification tools that incorporate variables specific to populations with chronic immune disorders, particularly in women, is emphasized.
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Affiliation(s)
- Caitlin A. Moran
- Emory University School of Medicine, Department of Medicine, Division of Infectious Diseases, Atlanta, GA, USA
| | - Lauren F. Collins
- Emory University School of Medicine, Department of Medicine, Division of Infectious Diseases, Atlanta, GA, USA
| | - Nour Beydoun
- Emory University School of Medicine, Department of Medicine, Center for Heart Disease Prevention, Division of Cardiology and Emory Women’s Heart Center, Atlanta, GA, USA
| | - Puja K. Mehta
- Emory University School of Medicine, Department of Medicine, Center for Heart Disease Prevention, Division of Cardiology and Emory Women’s Heart Center, Atlanta, GA, USA
| | - Yetunde Fatade
- Emory University School of Medicine, Department of Medicine, Atlanta, GA, USA
| | - Ijeoma Isiadinso
- Emory University School of Medicine, Department of Medicine, Center for Heart Disease Prevention, Division of Cardiology and Emory Women’s Heart Center, Atlanta, GA, USA
| | - Tené T Lewis
- Emory University, Rollins School of Public Health, Department of Epidemiology, Atlanta, GA, USA
| | - Brittany Weber
- Harvard Medical School, Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA, USA
| | - Jill Goldstein
- Massachusetts General Hospital, Department of Psychiatry, and Harvard Medical School, Departments of Psychiatry and Medicine, Boston, MA, USA
| | - Igho Ofotokun
- Emory University School of Medicine, Department of Medicine, Division of Infectious Diseases, Atlanta, GA, USA
| | - Arshed Quyyumi
- Emory University School of Medicine, Department of Medicine, Center for Heart Disease Prevention, Division of Cardiology and Emory Women’s Heart Center, Atlanta, GA, USA
| | - May Y. Choi
- Cumming School of Medicine, University of Calgary, Calgary, AB Canada
| | - Kehmia Titanji
- Emory University, Department of Medicine, Division of Endocrinology, Metabolism, and Lipids, Atlanta, GA, USA
| | - Cecile D. Lahiri
- Emory University School of Medicine, Department of Medicine, Division of Infectious Diseases, Atlanta, GA, USA
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