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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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Ma WQ, Zhuo AP, Xiao YL, Gao M, Yang YT, Tang LC, Wu YH, Tian D, Fu XF. Human Bone Marrow Derived-Mesenchymal Stem Cells Treatment for Autoimmune Premature Ovarian Insufficiency. Stem Cell Rev Rep 2024; 20:538-553. [PMID: 38049593 DOI: 10.1007/s12015-023-10629-8] [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] [Accepted: 09/08/2023] [Indexed: 12/06/2023]
Abstract
BACKGROUND Premature ovarian insufficiency (POI) is a relatively common gynecologic endocrine disorder, which is hypogonadism associated with amenorrhea, increased levels of gonadotropins, and hypoestrogenism. POI resulting from ovarian autoimmunity is a poorly understood clinical condition lacking effective treatments. This study is aimed to investigate the therapeutic effect of mesenchymal stem cells (MSCs) on autoimmune premature ovarian insufficiency. METHODS In this study, in vivo and in vitro experiments were conducted to clarify the therapeutic effects and possible mechanisms of human bone marrow-derived MSCs (hBMSCs) on autoimmune POI, and to provide an experimental evidence for the treatment of autoimmune POI by hBMSCs. Noteworthy, in this study, we used interferon-gamma (IFN-γ) to induce autoimmune inflammation in human granulosa cell line KGN, simulating the pathophysiological changes of granulosa cells in autoimmune POI, and therefore sought to establish an in vitro cell model of autoimmune POI, which is still lacking in experimental methodology. RESULTS And we found that, in vitro, co-culture of hBMSCs could promote granulosa cell proliferation, inhibit apoptosis, improve hormone synthesis capacity, and reduce the occurrence of pyroptosis; and in vivo, hBMSCs resulted in improved estrous cycle disorders in autoimmune POI mice, increased serum estradiol, decreased follicle-stimulating hormone, improved ovarian morphology, increased number of primordial and primary follicles, decreased number of atretic follicles, and decreased ovarian granulosa cell apoptosis. CONCLUSIONS hBMSCs have therapeutic effects on autoimmune POI both in vitro and in vivo.
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Affiliation(s)
- Wen-Qing Ma
- Department of Obstetrics and Gynecology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Ai-Ping Zhuo
- Department of Obstetrics and Gynecology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Yuan-Ling Xiao
- Department of Obstetrics and Gynecology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Meng Gao
- Department of Obstetrics and Gynecology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Yu-Tao Yang
- Department of Obstetrics and Gynecology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Li-Chao Tang
- Department of Obstetrics and Gynecology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Yan-Hong Wu
- Department of Obstetrics and Gynecology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Dan Tian
- Department of Obstetrics and Gynecology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Xia-Fei Fu
- Department of Obstetrics and Gynecology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China.
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Shuai L, She J, Diao R, Zhao H, Liu X, Hu Q, Li D, Su D, Ye X, Guo Y, Zhong M, Wang L. Hydroxychloroquine protects against autoimmune premature ovarian insufficiency by modulating the Treg/Th17 cell ratio in BALB/c mice. Am J Reprod Immunol 2023; 89:e13686. [PMID: 36752682 DOI: 10.1111/aji.13686] [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: 11/21/2022] [Revised: 01/16/2023] [Accepted: 01/28/2023] [Indexed: 02/09/2023] Open
Abstract
AIMS The role of hydroxychloroquine (HCQ) in premature ovarian insufficiency (POI) remains unclear. The purpose of this study was to evaluate the effect of HCQ on ovarian function in mice with POI and to clarify its potential mechanisms. METHODS POI was induced in mice by injection with zona pellucida 3 peptide (pZP3), and HCQ was administered intragastrically. Stages of the estrous cycle were determined using vaginal cytology. The ovarian structure was observed under a microscope after hematoxylin-eosin staining. The levels of serum hormones and anti-ZP antibody (aZPAb) were measured using enzyme-linked immunosorbent assay (ELISA). The expression levels of CD4, CD45, and ZP2, ZP3 were determined using immunofluorescence and immunohistochemistry, respectively. The T regulatory (Treg)/ T helper 17 (Th17) cell ratio was analyzed using flow cytometry analysis. Western blotting was performed to assess the expression levels of proteins, transcription factors and cytokines. RESULTS Administration of HCQ to mice with POI greatly restored their estrus cycle. In the treatment group compared to the POI group, estradiol (E2 ) levels were higher, and follicle stimulating hormone (FSH) levels were lower. In addition, following pZP3, HCQ treatment increased ZP2 and ZP3 expression. Additionally, by inhibiting the activation of the TLR7 signaling pathway, HCQ attenuated the infiltration of inflammatory cells and prevented the activated naive CD4+ T cells from developing into Th17 cells. CONCLUSION Our findings showed that HCQ effectively restored ovarian function by altering the Treg/Th17 cell ratio in mice with POI, indicating that HCQ maybe a promising therapeutic method for patients with POI.
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Affiliation(s)
- Ling Shuai
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- The First Affiliated Hospital of Shenzhen University, Reproductive Medicine Centre, Shenzhen Second People's Hospital, Shenzhen, China
| | - Jiajie She
- The First Affiliated Hospital of Shenzhen University, Reproductive Medicine Centre, Shenzhen Second People's Hospital, Shenzhen, China
| | - Ruiying Diao
- The First Affiliated Hospital of Shenzhen University, Reproductive Medicine Centre, Shenzhen Second People's Hospital, Shenzhen, China
| | - Huihui Zhao
- Department of Obstetrics and Gynecology, Guangdong Provincial People's Hospital, Guangzhou, China
| | - Xuemin Liu
- The First Affiliated Hospital of Shenzhen University, Reproductive Medicine Centre, Shenzhen Second People's Hospital, Shenzhen, China
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Qingyu Hu
- The First Affiliated Hospital of Shenzhen University, Reproductive Medicine Centre, Shenzhen Second People's Hospital, Shenzhen, China
- Department of Medicine, Shenzhen University, Shenzhen, China
| | - Dongdong Li
- The First Affiliated Hospital of Shenzhen University, Reproductive Medicine Centre, Shenzhen Second People's Hospital, Shenzhen, China
- Department of Gynecology and Obstetrics, Graduate College of Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Danna Su
- The First Affiliated Hospital of Shenzhen University, Reproductive Medicine Centre, Shenzhen Second People's Hospital, Shenzhen, China
- Shantou University Medical College, Shantou, China
| | - Xiaofeng Ye
- The First Affiliated Hospital of Shenzhen University, Reproductive Medicine Centre, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yan Guo
- The First Affiliated Hospital of Shenzhen University, Reproductive Medicine Centre, Shenzhen Second People's Hospital, Shenzhen, China
- Guangdong Medical University, Zhanjiang, China
| | - Mei Zhong
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Liping Wang
- The First Affiliated Hospital of Shenzhen University, Reproductive Medicine Centre, Shenzhen Second People's Hospital, Shenzhen, China
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Gallino L, Hauk V, Castagnola L, Vota D, Pascuali N, Parborell F, May M, Fontana V, Merech F, Naguila Z, Waschek J, Leirós CP, Ramhorst R. Vasoactive intestinal peptide deficiency promotes ovarian dysfunction associated to a proinflammatory microenvironment reminiscent of premature aging. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166585. [PMID: 36423894 DOI: 10.1016/j.bbadis.2022.166585] [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: 03/07/2022] [Revised: 10/15/2022] [Accepted: 10/20/2022] [Indexed: 11/23/2022]
Abstract
Complex immune regulation during pregnancy is required to ensure a successful pregnancy outcome. Vasoactive intestinal peptide (VIP) has local immunoregulatory effects on the ovary, uterus and maternal-fetal interface that favor a tolerogenic maternal microenvironment. Since the VIP Knockout (KO) mice are subfertile, we investigated the mechanisms underlying the effects of VIP deficiency on ovarian physiology and immune homeostasis. Therefore, we studied VIP KO, deficient (HT) and wild type (WT) female mice in estrus at 3 or 8 months of age. Young KO mice showed abnormal cycle timing and regularity associated with dysfunctional ovaries. Ovaries presented higher number of atretic follicles and reduced number of corpora lutea leading to a lower ovulation rates. Part of the VIP KO mice (25 %) failed to ovulate or ovulated oocytes incompetent to be fertilized (50 %). In particular, ovaries of young KO mice exhibited features of premature aging accompanied by a pro-inflammatory milieu with increased levels of IL-1β. A unique macrophage subpopulation identified as "foamy macrophages" was found. On the other hand, aged VIP KO females did not gain body weight probably due to the sustained production of E2. Finally, the adoptive transfer of FOXP3+ cells to infertile VIP KO females resulted in their selective recruitment to the ovary. It increased FOXP3/RORγt and TGFβ/IL-6 ratio improving ovarian microenvironment and pregnancy rate. The present results suggest that VIP contributes to ovarian homeostatic mechanisms required for a successful pregnancy.
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Affiliation(s)
- Lucila Gallino
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Vanesa Hauk
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Lara Castagnola
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Daiana Vota
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | | | | | - Maria May
- ININFA, Universidad de Buenos Aires, CONICET, Argentina
| | - Vanina Fontana
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Fatima Merech
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Zaira Naguila
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - James Waschek
- The David Geffen School of Medicine, University of California, Los Angeles, USA
| | - Claudia Perez Leirós
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Rosanna Ramhorst
- CONICET, Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina.
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Regulatory T Cells Overexpressing Peli1 Show Better Efficacy in Repairing Ovarian Endocrine Function in Autoimmune Premature Ovarian Insufficiency. J Transl Med 2023; 103:100005. [PMID: 37039145 DOI: 10.1016/j.labinv.2022.100005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 09/12/2022] [Accepted: 09/21/2022] [Indexed: 01/11/2023] Open
Abstract
Regulatory T (Treg) cell dysfunction is involved in the pathogenesis of autoimmune premature ovarian insufficiency (POI). Adoptive transfer of Treg cells has been shown to be effective in the treatment of autoimmune POI in mice. However, the therapeutic effect of Treg cell therapy is limited because the phenotype and function of Treg cells is not properly maintained when they are reinfused in an inflammatory environment. Therefore, enhancing the function of Treg cells using genetic engineering is of great significance for improving the efficacy of Treg cells in the treatment of immune diseases. In this study, we investigated the role of the E3 ubiquitinated ligase Pellino 1 (Peli1) in the proliferation and immunosuppressive function of Treg cells and the therapeutic effect of Treg cells overexpressing Peli1 on autoimmune POI. The results showed that the overexpression of Peli1 promoted cell proliferation and enhanced the immunosuppressive function of Treg cells in vitro. After the adoptive transfer of Treg cells overexpressing Peli1 in autoimmune POI mice, the apoptosis rate of ovarian granulosa cells declined. The levels of the inflammatory inhibitors interleukin 10 and transforming growth factor-β as well as the ovarian hormone estradiol were elevated. The number of primordial, primary, secondary, and mature follicles was restored to a certain extent compared with those in control subjects. These results revealed that the adoptive transfer of Treg cells overexpressing Peli1 promoted its efficacy against zona pellucida protein 3 peptide-induced POI, which provides new insights into the treatment of autoimmune POI.
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Gao H, Gao L, Wang W. Advances in the cellular immunological pathogenesis and related treatment of primary ovarian insufficiency. Am J Reprod Immunol 2022; 88:e13622. [DOI: 10.1111/aji.13622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/24/2022] [Accepted: 09/06/2022] [Indexed: 11/28/2022] Open
Affiliation(s)
- Hongna Gao
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases
- Obstetrics and Gynecology Hospital of Fudan University Shanghai 200011 China
| | - Lingyun Gao
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases
- Obstetrics and Gynecology Hospital of Fudan University Shanghai 200011 China
| | - Wenjun Wang
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases
- Obstetrics and Gynecology Hospital of Fudan University Shanghai 200011 China
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Malko D, Elmzzahi T, Beyer M. Implications of regulatory T cells in non-lymphoid tissue physiology and pathophysiology. Front Immunol 2022; 13:954798. [PMID: 35936011 PMCID: PMC9354719 DOI: 10.3389/fimmu.2022.954798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 06/29/2022] [Indexed: 11/26/2022] Open
Abstract
Treg cells have been initially described as gatekeepers for the control of autoimmunity, as they can actively suppress the activity of other immune cells. However, their role goes beyond this as Treg cells further control immune responses during infections and tumor development. Furthermore, Treg cells can acquire additional properties for e.g., the control of tissue homeostasis. This is instructed by a specific differentiation program and the acquisition of effector properties unique to Treg cells in non-lymphoid tissues. These tissue Treg cells can further adapt to their tissue environment and acquire distinct functional properties through specific transcription factors activated by a combination of tissue derived factors, including tissue-specific antigens and cytokines. In this review, we will focus on recent findings extending our current understanding of the role and differentiation of these tissue Treg cells. As such we will highlight the importance of tissue Treg cells for tissue maintenance, regeneration, and repair in adipose tissue, muscle, CNS, liver, kidney, reproductive organs, and the lung.
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Affiliation(s)
- Darya Malko
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
- Immunogenomics and Neurodegeneration, Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Bonn, Germany
| | - Tarek Elmzzahi
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
- Immunogenomics and Neurodegeneration, Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Bonn, Germany
| | - Marc Beyer
- Immunogenomics and Neurodegeneration, Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Bonn, Germany
- Platform foR SinglE Cell GenomIcS and Epigenomics (PRECISE), Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE) and University of Bonn, Bonn, Germany
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8
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Wang X, Chen ZJ. A decade of discovery: the stunning progress of premature ovarian insufficiency research in China. Biol Reprod 2022; 107:27-39. [PMID: 35639630 DOI: 10.1093/biolre/ioac085] [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] [Received: 12/11/2021] [Revised: 03/30/2022] [Accepted: 04/13/2021] [Indexed: 11/15/2022] Open
Abstract
Premature ovarian insufficiency (POI) is one of key aspects of ovarian infertility. Due to early cession of ovarian function, POI imposes great challenges on the physiological and psychological health of women, and becomes a common cause of female infertility. In the worldwide, there has been a special outpouring of concern for about four million reproductive-aged women suffering from POI in China. Driven by advances in new technologies and efforts invested by Chinses researchers, understanding about POI has constantly been progressing over the past decade. Here, we comprehensively summarize and review the landmark development and achievements from POI studies in China spanning 2011 to 2020, which aims to provide key insights from bench to bedside.
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Affiliation(s)
- Xiaoyan Wang
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.,Key laboratory of Reproductive Endocrinology of Ministry of Education, National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong Provincial Clinical Medicine Research Center for Reproductive Health, Jinan, Shandong, China
| | - Zi-Jiang Chen
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.,Key laboratory of Reproductive Endocrinology of Ministry of Education, National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong Provincial Clinical Medicine Research Center for Reproductive Health, Jinan, Shandong, China.,Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China.,Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Zhang B, Qu G, Nan Y, Zhou EM. Ovarian Oxidative Stress Induced Follicle Depletion After Zona Pellucida 3 Vaccination Is Associated With Subfertility in BALB/c Mice. Front Vet Sci 2022; 9:814827. [PMID: 35252419 PMCID: PMC8894603 DOI: 10.3389/fvets.2022.814827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 01/26/2022] [Indexed: 11/13/2022] Open
Abstract
Impaired follicular development associated with autoimmune ovarian disease (AOD), is a typical side effect of ZP3 vaccine-induced subfertility and contributes to the fertility decline, but the mechanism is unknown. In this study, a AOD model was established with recombinant mouse zona pellucida 3 (mZP3) protein in the BALB/c mice, and co-administrated with 0.5 mg/kg antioxidant stress drug sodium selenite (SS), whereas intraperitoneal injection was used and the relationships among oxidant stress (OS), follicle loss and fertility were evaluated. Here we demonstrated that ZP3 vaccination elicited high antibody titers and correlated with reductions of ovarian follicle numbers in both fertile and infertile mice, whereby magnitudes of both factors were negatively correlated with litter size. Moreover, increased OS in ovaries of mZP3-immunized mice was related to high levels of reactive oxygen species (ROS) and malondialdehyde (MDA), and is accompanied by a decrease in the total antioxidant capacity (TAC) of ovaries. Meanwhile, activation of caspase-3 and caspase-9 along with increased Bax and decreased Bcl-2 levels were observed, indicating the ongoing apoptosis of ovarian cells. Notably, inhibition of OS with SS reduced ovarian ROS and apoptosis levels, which was consisted with restoration of follicle numbers. More importantly, SS treatment when co-administered concurrently with mZP3 immunization led to significantly improved fertility (P < 0.05) and the average litter size of the mZP3-vaccinated SS-treated group increased by ~29.2% as compared with that of the vaccinated but untreated group. In conclusion, infertility caused by ZP3 vaccination was mechanistically associated with ovarian OS which triggered depletion of ovarian follicles.
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Affiliation(s)
- Beibei Zhang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling, China
- Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic Technology, Ministry of Agriculture, Yangling, China
| | - Guanggang Qu
- Shandong Binzhou Animal Science and Veterinary Medicine Academy, Binzhou, China
| | - Yuchen Nan
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling, China
- Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic Technology, Ministry of Agriculture, Yangling, China
- *Correspondence: Yuchen Nan
| | - En-Min Zhou
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling, China
- Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic Technology, Ministry of Agriculture, Yangling, China
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Li W, Luo Y, Xu H, Ma Q, Yao Q. Imbalance between T helper 1 and regulatory T cells plays a detrimental role in experimental Parkinson's disease in mice. J Int Med Res 2021; 49:300060521998471. [PMID: 33853440 PMCID: PMC8053775 DOI: 10.1177/0300060521998471] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Objective Parkinson’s disease (PD) is a degenerative disorder characterized by steady motor function loss. PD pathogenesis remains inconclusive, but aberrant immune responses might play important roles. We hypothesized that imbalance between T helper (Th) 1 and regulatory T (Treg) cells was essential in experimental PD. Methods Th1 and Treg cells from the blood of patients with PD and healthy volunteer blood were measured by flow cytometry. Experimental PD was induced in mice by peritoneal injection of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine. Experimental PD severity was measured by open field test behavior assessments (distance moved, rearing, and grooming). Mice were administered neutralizing anti-tumor necrosis factor (TNF) α to inhibit Th1 effects. Treg cells were depleted by anti-CD25 neutralizing antibodies or isolated and transferred to experimental PD mice. Results Patients with PD had fewer Treg and more Th1 cells than healthy volunteers. Experimental PD mice exhibited fewer Treg and more Th1 cells. Treg cell depletion exacerbated experimental PD, whereas TNFα neutralization attenuated PD in mice. Treg transfer to experimental PD mice reduced PD severity. Mechanistically, anti-TNFα antibody administration and Treg transfer increased Treg and reduced Th1 cell abundance in the brain. Conclusion Th1 and Treg cell imbalance plays an essential role in mouse experimental PD pathogenesis.
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Affiliation(s)
- Wenjie Li
- Department of Geriatrics, Ningbo First Hospital, Ningbo, China
| | - Yuan Luo
- Department of Geriatrics, Ningbo First Hospital, Ningbo, China
| | - Hongyu Xu
- Department of Geriatrics, Ningbo First Hospital, Ningbo, China
| | - Qianqian Ma
- Department of Geriatrics, Ningbo First Hospital, Ningbo, China
| | - Qi Yao
- Department of Geriatrics, Ningbo First Hospital, Ningbo, China
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