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Wu T, Wang L, Jian C, Zhang Z, Zeng R, Mi B, Liu G, Zhang Y, Shi C. A distinct "repair" role of regulatory T cells in fracture healing. Front Med 2024; 18:516-537. [PMID: 38491211 DOI: 10.1007/s11684-023-1024-8] [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: 04/17/2023] [Accepted: 07/20/2023] [Indexed: 03/18/2024]
Abstract
Regulatory T cells (Tregs) suppress immune responses and inflammation. Here, we described the distinct nonimmunological role of Tregs in fracture healing. The recruitment from the circulation pool, peripheral induction, and local expansion rapidly enriched Tregs in the injured bone. The Tregs in the injured bone displayed superiority in direct osteogenesis over Tregs from lymphoid organs. Punctual depletion of Tregs compromised the fracture healing process, which leads to increased bone nonunion. In addition, bone callus Tregs showed unique T-cell receptor repertoires. Amphiregulin was the most overexpressed protein in bone callus Tregs, and it can directly facilitate the proliferation and differentiation of osteogenic precursor cells by activation of phosphatidylinositol 3-kinase/protein kinase B signaling pathways. The results of loss- and gain-function studies further evidenced that amphiregulin can reverse the compromised healing caused by Treg dysfunction. Tregs also enriched in patient bone callus and amphiregulin can promote the osteogenesis of human pre-osteoblastic cells. Our findings indicate the distinct and nonredundant role of Tregs in fracture healing, which will provide a new therapeutic target and strategy in the clinical treatment of fractures.
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Affiliation(s)
- Tingting Wu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, 430022, China
| | - Lulu Wang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, 430022, China
| | - Chen Jian
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, 430022, China
| | - Zhenhe Zhang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Ruiyin Zeng
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Bobin Mi
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Guohui Liu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yu Zhang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, 430022, China
| | - Chen Shi
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, 430022, China.
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2
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Huang L, Huang J, Tang N, Xue H, Lin S, Liu S, Chen Q, Lu Y, Liang Q, Wang Y, Zhu Q, Zheng G, Chen Y, Zhu C, Chen C. Insufficient phosphorylation of STAT5 in Tregs inhibits the expression of BLIMP-1 but not IRF4, reduction the proportion of Tregs in pediatric aplastic anemia. Heliyon 2024; 10:e26731. [PMID: 38486772 PMCID: PMC10938128 DOI: 10.1016/j.heliyon.2024.e26731] [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: 09/22/2023] [Revised: 02/19/2024] [Accepted: 02/19/2024] [Indexed: 03/17/2024] Open
Abstract
Deficiency in regulatory T cells (Tregs) is an important mechanism underlying the pathogenesis of pediatric aplastic anemia, but its specific mechanism is unclear. In our study, we aimed to investigate whether IL-2/STAT5 can regulate the proliferation of Tregs in aplastic anemia (AA) by regulating their expression of B lymphocyte-induced mature protein-1 (BLIMP-1) or interferon regulatory factor 4 (IRF4). Through clinical research and animal experiments, we found that poor activation of the IL-2/STAT5 signaling pathway may leads to low expression of BLIMP-1 in Tregs of children with AA, which leads to defects in the differentiation and proliferation of Tregs in AA. In AA model mice, treatment with IL-2c reversed the decrease in Treg proportions and reduction in Blimp-1 expression in Tregs by increasing the phosphorylation of Stat5 in Tregs. In AA, deficiency of IRF4 expression in Tregs is closely related to the deficiency of Tregs, but is not regulated by the IL-2/STAT5 pathway.
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Affiliation(s)
- Lifen Huang
- Pediattic Hematology Laboratory, Division of Hematology/Oncology, Department of Pediatrics, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Junbin Huang
- Pediattic Hematology Laboratory, Division of Hematology/Oncology, Department of Pediatrics, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Nannan Tang
- Pediattic Hematology Laboratory, Division of Hematology/Oncology, Department of Pediatrics, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Hongman Xue
- Pediattic Hematology Laboratory, Division of Hematology/Oncology, Department of Pediatrics, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Shaofen Lin
- Department of Pediatric Hematopathy, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510000, Guangzhou, Guangdong, China
| | - Su Liu
- Pediattic Hematology Laboratory, Division of Hematology/Oncology, Department of Pediatrics, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Qihui Chen
- Department of Pediatric Hematopathy, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 510000, Guangzhou, Guangdong, China
| | - Yinsi Lu
- Department of Pathology, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Qian Liang
- Department of Pathology, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Yun Wang
- Department of Pathology, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Qingqing Zhu
- Department of Pathology, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Guoxing Zheng
- Department of Pathology, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Yun Chen
- Department of Pathology, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Chengming Zhu
- Department of Pathology, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
| | - Chun Chen
- Pediattic Hematology Laboratory, Division of Hematology/Oncology, Department of Pediatrics, The Seventh Affifiliated Hospital, Sun Yat-sen University, 518107, Shenzhen, Guangdong, China
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3
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Fueyo-González F, Vilanova G, Ningoo M, Marjanovic N, González-Vera JA, Orte Á, Fribourg M. Small-molecule TIP60 inhibitors enhance regulatory T cell induction through TIP60-P300 acetylation crosstalk. iScience 2023; 26:108491. [PMID: 38094248 PMCID: PMC10716589 DOI: 10.1016/j.isci.2023.108491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 08/12/2023] [Accepted: 11/14/2023] [Indexed: 12/29/2023] Open
Abstract
Foxp3 acetylation is essential to regulatory T (Treg) cell stability and function, but pharmacologically increasing it remains an unmet challenge. Here, we report that small-molecule compounds that inhibit TIP60, an acetyltransferase known to acetylate Foxp3, unexpectedly increase Foxp3 acetylation and Treg induction. Utilizing a dual experimental/computational approach combined with a newly developed FRET-based methodology compatible with flow cytometry to measure Foxp3 acetylation, we unraveled the mechanism of action of these small-molecule compounds in murine and human Treg induction cell cultures. We demonstrate that at low-mid concentrations they activate TIP60 to acetylate P300, a different acetyltransferase, which in turn increases Foxp3 acetylation, thereby enhancing Treg cell induction. These results reveal a potential therapeutic target relevant to autoimmunity and transplant.
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Affiliation(s)
- Francisco Fueyo-González
- Translational Transplant Research Center, Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Immunology Institute Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Guillermo Vilanova
- LaCàN, Universitat Politècnica de Catalunya-BarcelonaTech, 08034 Barcelona Spain
| | - Mehek Ningoo
- Translational Transplant Research Center, Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Immunology Institute Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Nada Marjanovic
- Deparment of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Juan A. González-Vera
- Deparment of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Nanoscopy-UGR Laboratory, Departamento de Fisicoquímica, Unidad de Excelencia de Química Aplicada a Biomedicina y Medioambiente, Facultad de Farmacia, Universidad de Granada, Campus Cartuja, 18071 Granada, Spain
| | - Ángel Orte
- Deparment of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Nanoscopy-UGR Laboratory, Departamento de Fisicoquímica, Unidad de Excelencia de Química Aplicada a Biomedicina y Medioambiente, Facultad de Farmacia, Universidad de Granada, Campus Cartuja, 18071 Granada, Spain
| | - Miguel Fribourg
- Translational Transplant Research Center, Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Immunology Institute Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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Liang Y, Chen B, Liang D, Quan X, Gu R, Meng Z, Gan H, Wu Z, Sun Y, Liu S, Dou G. Pharmacological Effects of Astragaloside IV: A Review. Molecules 2023; 28:6118. [PMID: 37630371 PMCID: PMC10458270 DOI: 10.3390/molecules28166118] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 08/11/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Astragaloside IV (AS-IV) is one of the main active components extracted from the Chinese medicinal herb Astragali and serves as a marker for assessing the herb's quality. AS-IV is a tetracyclic triterpenoid saponin in the form of lanolin ester alcohol and exhibits various biological activities. This review article summarizes the chemical structure of AS-IV, its pharmacological effects, mechanism of action, applications, future prospects, potential weaknesses, and other unexplored biological activities, aiming at an overall analysis. Papers were retrieved from online electronic databases, such as PubMed, Web of Science, and CNKI, and data from studies conducted over the last 10 years on the pharmacological effects of AS-IV as well as its impact were collated. This review focuses on the pharmacological action of AS-IV, such as its anti-inflammatory effect, including suppressing inflammatory factors, increasing T and B lymphocyte proliferation, and inhibiting neutrophil adhesion-associated molecules; antioxidative stress, including scavenging reactive oxygen species, cellular scorching, and regulating mitochondrial gene mutations; neuroprotective effects, antifibrotic effects, and antitumor effects.
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Affiliation(s)
- Yutong Liang
- Beijing Institute of Radiation Medicine, Beijing 100091, China; (Y.L.); (D.L.); (X.Q.); (R.G.); (Z.M.); (H.G.); (Z.W.); (Y.S.)
| | - Biqiong Chen
- Institute of Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin 150040, China;
| | - Di Liang
- Beijing Institute of Radiation Medicine, Beijing 100091, China; (Y.L.); (D.L.); (X.Q.); (R.G.); (Z.M.); (H.G.); (Z.W.); (Y.S.)
| | - Xiaoxiao Quan
- Beijing Institute of Radiation Medicine, Beijing 100091, China; (Y.L.); (D.L.); (X.Q.); (R.G.); (Z.M.); (H.G.); (Z.W.); (Y.S.)
- Scientific Experimental Center of Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Ruolan Gu
- Beijing Institute of Radiation Medicine, Beijing 100091, China; (Y.L.); (D.L.); (X.Q.); (R.G.); (Z.M.); (H.G.); (Z.W.); (Y.S.)
| | - Zhiyun Meng
- Beijing Institute of Radiation Medicine, Beijing 100091, China; (Y.L.); (D.L.); (X.Q.); (R.G.); (Z.M.); (H.G.); (Z.W.); (Y.S.)
| | - Hui Gan
- Beijing Institute of Radiation Medicine, Beijing 100091, China; (Y.L.); (D.L.); (X.Q.); (R.G.); (Z.M.); (H.G.); (Z.W.); (Y.S.)
| | - Zhuona Wu
- Beijing Institute of Radiation Medicine, Beijing 100091, China; (Y.L.); (D.L.); (X.Q.); (R.G.); (Z.M.); (H.G.); (Z.W.); (Y.S.)
| | - Yunbo Sun
- Beijing Institute of Radiation Medicine, Beijing 100091, China; (Y.L.); (D.L.); (X.Q.); (R.G.); (Z.M.); (H.G.); (Z.W.); (Y.S.)
| | - Shuchen Liu
- Beijing Institute of Radiation Medicine, Beijing 100091, China; (Y.L.); (D.L.); (X.Q.); (R.G.); (Z.M.); (H.G.); (Z.W.); (Y.S.)
| | - Guifang Dou
- Beijing Institute of Radiation Medicine, Beijing 100091, China; (Y.L.); (D.L.); (X.Q.); (R.G.); (Z.M.); (H.G.); (Z.W.); (Y.S.)
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Qiu D, Zhang W, Song Z, Xue M, Zhang Y, Yang Y, Tong C, Cai D. Berberine suppresses cecal ligation and puncture induced intestinal injury by enhancing Treg cell function. Int Immunopharmacol 2022; 106:108564. [DOI: 10.1016/j.intimp.2022.108564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/24/2021] [Accepted: 01/20/2022] [Indexed: 11/17/2022]
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Lisovska N. Multilevel mechanism of immune checkpoint inhibitor action in solid tumors: History, present issues and future development (Review). Oncol Lett 2022; 23:190. [PMID: 35527781 PMCID: PMC9073577 DOI: 10.3892/ol.2022.13310] [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: 01/19/2022] [Accepted: 03/31/2022] [Indexed: 11/12/2022] Open
Abstract
Immunotherapy with checkpoint inhibitors (antibodies that target and block immune checkpoints in the tumor microenvironment) is included in the standard of care for patients with different types of malignancy, such as melanoma, renal cell and urothelial carcinoma, lung cancer etc. The introduction of this new immunotherapy has altered the view on potential targets for treatment of solid tumors from tumor cells themselves to their immune microenvironment; this has led to a reconsideration of the mechanisms of tumor-associated immunity. However, only a subset of patients benefit from immunotherapy and patient response is often unpredictable, even with known initial levels of prognostic markers; the biomarkers for favorable response are still being investigated. Mechanisms of immune checkpoint inhibitors efficiency, as well as the origins of treatment failure, require further investigation. From a clinical standpoint, discrepancies between the theoretical explanation of inhibitors of immune checkpoint actions at the cellular level and their deployment at a tissue/organ level impede the effective clinical implementation of novel immune therapy. The present review assessed existing experimental and clinical data on functional activity of inhibitors of immune checkpoints to provide a more comprehensive picture of their mechanisms of action on a cellular and higher levels of biological organization.
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Affiliation(s)
- Natalya Lisovska
- Chemotherapy Department, Center of Oncology, ‘Cyber Clinic of Spizhenko’, Kapitanovka, Kyiv 08112, Ukraine
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7
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Fueyo-González F, McGinty M, Ningoo M, Anderson L, Cantarelli C, Andrea Angeletti, Demir M, Llaudó I, Purroy C, Marjanovic N, Heja D, Sealfon SC, Heeger PS, Cravedi P, Fribourg M. Interferon-β acts directly on T cells to prolong allograft survival by enhancing regulatory T cell induction through Foxp3 acetylation. Immunity 2022; 55:459-474.e7. [PMID: 35148827 PMCID: PMC8917088 DOI: 10.1016/j.immuni.2022.01.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 06/18/2021] [Accepted: 01/13/2022] [Indexed: 12/19/2022]
Abstract
Type I interferons (IFNs) are pleiotropic cytokines with potent antiviral properties that also promote protective T cell and humoral immunity. Paradoxically, type I IFNs, including the widely expressed IFNβ, also have immunosuppressive properties, including promoting persistent viral infections and treating T-cell-driven, remitting-relapsing multiple sclerosis. Although associative evidence suggests that IFNβ mediates these immunosuppressive effects by impacting regulatory T (Treg) cells, mechanistic links remain elusive. Here, we found that IFNβ enhanced graft survival in a Treg-cell-dependent murine transplant model. Genetic conditional deletion models revealed that the extended allograft survival was Treg cell-mediated and required IFNβ signaling on T cells. Using an in silico computational model and analysis of human immune cells, we found that IFNβ directly promoted Treg cell induction via STAT1- and P300-dependent Foxp3 acetylation. These findings identify a mechanistic connection between the immunosuppressive effects of IFNβ and Treg cells, with therapeutic implications for transplantation, autoimmunity, and malignancy.
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Affiliation(s)
- Francisco Fueyo-González
- Division of Nephrology, Department of Medicine, Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York City, NY, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Mitchell McGinty
- Carter Immunology Center, University of Virginia, Charlottesville, VA 22903, USA
| | - Mehek Ningoo
- Division of Nephrology, Department of Medicine, Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York City, NY, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Lisa Anderson
- Division of Nephrology, Department of Medicine, Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York City, NY, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Chiara Cantarelli
- UO Nefrologia, Azienda Ospedaliero-Universitaria Parma, Parma, Italy
| | - Andrea Angeletti
- Division of Nephrology, Dialysis, Transplantation, IRCCS Giannina Gaslini, Genoa, Italy
| | - Markus Demir
- Department of Anesthesiology, University of Cologne, Cologne, Germany
| | - Inés Llaudó
- Division of Nephrology, Department of Medicine, Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York City, NY, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Carolina Purroy
- Department of Nephrology, Complejo Hospitalario de Navarra, Navarra, Spain
| | - Nada Marjanovic
- Immunology Institute Icahn School of Medicine at Mount Sinai, New York City, NY, USA; Department of Neurology, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - David Heja
- Division of Nephrology, Department of Medicine, Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York City, NY, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Stuart C Sealfon
- Immunology Institute Icahn School of Medicine at Mount Sinai, New York City, NY, USA; Department of Neurology, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Peter S Heeger
- Division of Nephrology, Department of Medicine, Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York City, NY, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Paolo Cravedi
- Division of Nephrology, Department of Medicine, Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York City, NY, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Miguel Fribourg
- Division of Nephrology, Department of Medicine, Translational Transplant Research Center, Icahn School of Medicine at Mount Sinai, New York City, NY, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York City, NY, USA.
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Zhang J, Chen J, Gao C, Sun X, Wang L, Hu Z, Li G, Wang J, Wang A. Maggot treatment promotes healing of diabetic foot ulcer wounds possibly by upregulating Treg levels. Diabetes Res Clin Pract 2022; 184:109187. [PMID: 35016990 DOI: 10.1016/j.diabres.2021.109187] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 11/30/2021] [Accepted: 12/23/2021] [Indexed: 11/03/2022]
Abstract
PURPOSE Through the study of regulatory T cells (Tregs), we found a possible way to promote the healing of diabetic foot ulcers (DFUs) with maggot treatment and investigated the associated mechanism. METHODS Immunohistochemistry was used to examinetissues from DFU patients treated with or without maggot debridement therapy (MDT). The expression of the signature Treg molecule Foxp3, interleukin-10 (IL-10), transforming growth factor-beta (TGF-β), and interferon regulatory factor 4 (IRF-4) in patients with DFU treated with or without MDT was tested by real-time PCR (RT-PCR). CD4+ T cells from mouse spleen cells were cocultured in vitro with maggot excretions/secretions (ES), and Foxp3, IL-10, TGF-β, and IRF-4 levels were measured by RT-PCR. RESULTS Foxp3 expression was obviously increased in DFU patients treated using MDT but less pronounced in those treated without MDT (P < 0.05). Foxp3, IL-10, TGF-β, and IRF-4 gene expression levels were higher in DFU patients treated with MDT than in those treated without MDT. Moreover, in vitro coculture of mouse spleen cells with ESs produced results consistent with the in vivo results (P < 0.001). CONCLUSION MDT/ESs can obviously upregulate the Treg level and may affect DFU healing in different ways, suggesting a new direction for the future treatment of DFU.
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Affiliation(s)
- Jie Zhang
- Department of Endocrinology, Nanjing JunXie Hospital, Nanjing, Jiangsu Province, China; Nanjing Prevention and Treatment Center for Occupational Diseases, Nanjing, Jiangsu Province, China
| | - Jin'an Chen
- Department of Endocrinology, Nanjing JunXie Hospital, Nanjing, Jiangsu Province, China
| | - Chunchen Gao
- Department of Endocrinology, Nanjing JunXie Hospital, Nanjing, Jiangsu Province, China
| | - Xinjuan Sun
- Department of Endocrinology, Nanjing JunXie Hospital, Nanjing, Jiangsu Province, China
| | - Lei Wang
- Department of Endocrinology, Nanjing JunXie Hospital, Nanjing, Jiangsu Province, China
| | - Zhiwei Hu
- Department of Endocrinology, Nanjing JunXie Hospital, Nanjing, Jiangsu Province, China
| | - Gai Li
- Department of Endocrinology, Nanjing JunXie Hospital, Nanjing, Jiangsu Province, China
| | - Jing Wang
- Translational Medicine Center, Nanjing JunXie Hospital, Nanjing, Jiangsu Province, China.
| | - Aiping Wang
- Department of Endocrinology, Nanjing JunXie Hospital, Nanjing, Jiangsu Province, China.
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Nicholls J, Cao B, Le Texier L, Xiong LY, Hunter CR, Llanes G, Aguliar EG, Schroder WA, Phipps S, Lynch JP, Cao H, Heazlewood SY, Williams B, Clouston AD, Nefzger CM, Polo JM, Nilsson SK, Blazar BR, MacDonald KPA. Bone Marrow Regulatory T Cells Are a Unique Population, Supported by Niche-Specific Cytokines and Plasmacytoid Dendritic Cells, and Required for Chronic Graft-Versus-Host Disease Control. Front Cell Dev Biol 2021; 9:737880. [PMID: 34631716 PMCID: PMC8493124 DOI: 10.3389/fcell.2021.737880] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 08/16/2021] [Indexed: 11/23/2022] Open
Abstract
Regulatory T cell (Treg) reconstitution is essential for reestablishing tolerance and maintaining homeostasis following stem-cell transplantation. We previously reported that bone marrow (BM) is highly enriched in autophagy-dependent Treg and autophagy disruption leads to a significant Treg loss, particularly BM-Treg. To correct the known Treg deficiency observed in chronic graft-versus-host disease (cGVHD) patients, low dose IL-2 infusion has been administered, substantially increasing peripheral Treg (pTreg) numbers. However, as clinical responses were only seen in ∼50% of patients, we postulated that pTreg augmentation was more robust than for BM-Treg. We show that BM-Treg and pTreg have distinct characteristics, indicated by differential transcriptome expression for chemokine receptors, transcription factors, cell cycle control of replication and genes linked to Treg function. Further, BM-Treg were more quiescent, expressed lower FoxP3, were highly enriched for co-inhibitory markers and more profoundly depleted than splenic Treg in cGVHD mice. In vivo our data are consistent with the BM and not splenic microenvironment is, at least in part, driving this BM-Treg signature, as adoptively transferred splenic Treg that entered the BM niche acquired a BM-Treg phenotype. Analyses identified upregulated expression of IL-9R, IL-33R, and IL-7R in BM-Treg. Administration of the T cell produced cytokine IL-2 was required by splenic Treg expansion but had no impact on BM-Treg, whereas the converse was true for IL-9 administration. Plasmacytoid dendritic cells (pDCs) within the BM also may contribute to BM-Treg maintenance. Using pDC-specific BDCA2-DTR mice in which diptheria toxin administration results in global pDC depletion, we demonstrate that pDC depletion hampers BM, but not splenic, Treg homeostasis. Together, these data provide evidence that BM-Treg and splenic Treg are phenotypically and functionally distinct and influenced by niche-specific mediators that selectively support their respective Treg populations. The unique properties of BM-Treg should be considered for new therapies to reconstitute Treg and reestablish tolerance following SCT.
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Affiliation(s)
- Jemma Nicholls
- Division of Blood and Marrow Transplant and Cellular Therapies, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - Benjamin Cao
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Laetitia Le Texier
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Laura Yan Xiong
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Christopher R. Hunter
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Genesis Llanes
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Ethan G. Aguliar
- Division of Blood and Marrow Transplant and Cellular Therapies, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - Wayne A. Schroder
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Simon Phipps
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Jason P. Lynch
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Huimin Cao
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Shen Y. Heazlewood
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Brenda Williams
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | | | - Christian M. Nefzger
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
- Monash Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
| | - Jose M. Polo
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
- Monash Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
- Department of Anatomy and Developmental Biology, Monash University, Melbourne, VIC, Australia
| | - Susan K. Nilsson
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Bruce R. Blazar
- Division of Blood and Marrow Transplant and Cellular Therapies, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - Kelli P. A. MacDonald
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
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10
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Kwon Y, Lee KW, Kim YM, Park H, Jung MK, Choi YJ, Son JK, Hong J, Park SH, Kwon GY, Yoo H, Kim K, Kim SJ, Park JB, Shin EC. Expansion of CD45RA -FOXP3 ++ regulatory T cells is associated with immune tolerance in patients with combined kidney and bone marrow transplantation. Clin Transl Immunology 2021; 10:e1325. [PMID: 34401148 PMCID: PMC8353318 DOI: 10.1002/cti2.1325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 07/22/2021] [Accepted: 07/24/2021] [Indexed: 01/01/2023] Open
Abstract
Objectives Simultaneous transplantation of a solid organ and bone marrow from the same donor is a possible means of achieving transplant tolerance. Here, we attempted to identify biomarkers that indicate transplant tolerance for discontinuation of immunosuppressants in combined kidney and bone marrow transplantation (CKBMT). Methods Conventional kidney transplant (KT) recipients (n = 20) and CKBMT recipients (n = 6) were included in this study. We examined various immunological parameters by flow cytometry using peripheral blood mononuclear cells (PBMCs), including the frequency and phenotype of regulatory T (Treg) cell subpopulations. We also examined the suppressive activity of the Treg cell population in the setting of mixed lymphocyte reaction (MLR) with or without Treg cell depletion. Results Among six CKBMT recipients, three successfully discontinued immunosuppressants (tolerant group) and three could not (non‐tolerant group). The CD45RA−FOXP3++ Treg cell subpopulation was expanded in CKBMT recipients compared to conventional kidney transplant patients, and this was more obvious in the tolerant group than the non‐tolerant group. In addition, high suppressive activity of the Treg cell population was observed in the tolerant group. The ratio of CD45RA−FOXP3++ Treg cells to CD45RA−FOXP3+ cells indicated good discrimination between the tolerant and non‐tolerant groups. Conclusion Thus, our findings propose a biomarker that can distinguish CKBMT patients who achieve transplant tolerance and are eligible for discontinuation of immunosuppressants and may provide insight into tolerance mechanisms in CKBMT.
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Affiliation(s)
- Yeongbeen Kwon
- Samsung Advanced Institute for Health Sciences & Technology (SAIHST) Graduate School Department of Health Sciences & Technology Sungkyunkwan University Seoul Korea.,Transplantation Research Center Samsung Medical Center Samsung Biomedical Research Institute Seoul Korea
| | - Kyo Won Lee
- Transplantation Research Center Samsung Medical Center Samsung Biomedical Research Institute Seoul Korea.,Department of Surgery Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Korea
| | - You Min Kim
- Graduate School of Medical Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) Daejeon Korea
| | - Hyojun Park
- Transplantation Research Center Samsung Medical Center Samsung Biomedical Research Institute Seoul Korea.,Department of Medicine Sungkyunkwan University School of Medicine Suwon Korea.,GenNbio Inc. Seoul Korea
| | - Min Kyung Jung
- Graduate School of Medical Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) Daejeon Korea
| | - Young Joon Choi
- Graduate School of Medical Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) Daejeon Korea.,Department of Ophthalmology Ajou University School of Medicine Suwon Korea
| | - Jin Kyung Son
- Transplantation Research Center Samsung Medical Center Samsung Biomedical Research Institute Seoul Korea.,GenNbio Inc. Seoul Korea
| | - JuHee Hong
- Transplantation Research Center Samsung Medical Center Samsung Biomedical Research Institute Seoul Korea
| | - Su-Hyung Park
- Graduate School of Medical Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) Daejeon Korea
| | - Ghee Young Kwon
- Department of Pathology Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Korea
| | - Heejin Yoo
- Statistics and Data Center Samsung Medical Center Research Institute for Future Medicine Seoul Korea
| | - Kyunga Kim
- Statistics and Data Center Samsung Medical Center Research Institute for Future Medicine Seoul Korea.,Department of Digital Health Samsung Advanced Institute for Health Sciences & Technology Sungkyunkwan University Seoul Korea
| | - Sung Joo Kim
- Transplantation Research Center Samsung Medical Center Samsung Biomedical Research Institute Seoul Korea.,Department of Medicine Sungkyunkwan University School of Medicine Suwon Korea.,GenNbio Inc. Seoul Korea
| | - Jae Berm Park
- Samsung Advanced Institute for Health Sciences & Technology (SAIHST) Graduate School Department of Health Sciences & Technology Sungkyunkwan University Seoul Korea.,Transplantation Research Center Samsung Medical Center Samsung Biomedical Research Institute Seoul Korea.,Department of Surgery Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Korea
| | - Eui-Cheol Shin
- Graduate School of Medical Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) Daejeon Korea
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11
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Poznyak AV, Bezsonov EE, Popkova TV, Starodubova AV, Orekhov AN. Immunity in Atherosclerosis: Focusing on T and B Cells. Int J Mol Sci 2021; 22:ijms22168379. [PMID: 34445084 PMCID: PMC8395064 DOI: 10.3390/ijms22168379] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 07/27/2021] [Accepted: 07/30/2021] [Indexed: 12/14/2022] Open
Abstract
Atherosclerosis is the major cause of the development of cardiovascular disease, which, in turn, is one of the leading causes of mortality worldwide. From the point of view of pathogenesis, atherosclerosis is an extremely complex disease. A huge variety of processes, such as violation of mitophagy, oxidative stress, damage to the endothelium, and others, are involved in atherogenesis; however, the main components of atherogenesis are considered to be inflammation and alterations of lipid metabolism. In this review, we want to focus on inflammation, and more specifically on the cellular elements of adaptive immunity, T and B cells. It is known that various T cells are widely represented directly in atherosclerotic plaques, while B cells can be found, for example, in the adventitia layer. Of course, such widespread and well-studied cells have attracted attention as potential therapeutic targets for the treatment of atherosclerosis. Various approaches have been developed and tested for their efficacy.
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Affiliation(s)
- Anastasia V. Poznyak
- Institute for Atherosclerosis Research, Skolkovo Innovative Center, 121609 Moscow, Russia
- Correspondence: (A.V.P.); (A.N.O.)
| | - Evgeny E. Bezsonov
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Institute of Human Morphology, 3 Tsyurupa Street, 117418 Moscow, Russia;
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, 125315 Moscow, Russia
| | - Tatyana V. Popkova
- V.A. Nasonova Institute of Rheumatology, 34A Kashirskoye Shosse, 115522 Moscow, Russia;
| | - Antonina V. Starodubova
- Federal Research Centre for Nutrition, Biotechnology and Food Safety, 2/14 Ustinsky Passage, 109240 Moscow, Russia;
- Medical Faculty, Pirogov Russian National Research Medical University, 1 Ostrovitianov Street, 117997 Moscow, Russia
| | - Alexander N. Orekhov
- Institute for Atherosclerosis Research, Skolkovo Innovative Center, 121609 Moscow, Russia
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Institute of Human Morphology, 3 Tsyurupa Street, 117418 Moscow, Russia;
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, 125315 Moscow, Russia
- Correspondence: (A.V.P.); (A.N.O.)
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12
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Mei C, Wang X, Meng F, Zhang X, Chen L, Yan S, Xue J, Sun X, Wang Y. Aucuboside Inhibits the Generation of Th17 Cells in Mice Colitis. Front Pharmacol 2021; 12:696599. [PMID: 34335262 PMCID: PMC8322701 DOI: 10.3389/fphar.2021.696599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 06/14/2021] [Indexed: 12/12/2022] Open
Abstract
Aucuboside is an iridoid glycoside extracted from traditional Chinese medicine such as Rehmannia glutinosa, possessing a wide range of biological activities, including antioxidant, anti-aging, anti-inflammatory, and anti-fibrotic effects. The effects of aucuboside on inflammatory bowel disease (IBD) have not been studied. Therefore, the effects of aucuboside on the generation of Foxp3+ regulatory T (Treg) cells and IL-17–producing T helper (Th17) cells in colitis were studied. A mouse colitis model was established by intracolonic administration of 2,4,6-trinitrobenzene sulfonic acid (TNBS) to mimic human IBD. The generation of Treg and Th17 cells was evaluated by flow cytometry. Aucuboside significantly alleviated colitis symptoms, including weight loss, high disease activity index, and inflammatory responses. The generation of Th17 cells in colitis was significantly inhibited by aucuboside and accompanied by the suppression of IL-17 expression. In Raw264.7 cells, the LPS-induced increase in IL-17 expression was also suppressed by aucuboside, which was significantly blocked by the RORγt inhibitor sr2211. In addition, the decrease in the proportion of Treg cells was also partially reversed by aucuboside, which may reflect the aucuboside-induced inhibition of Th17 cells. This previously unrecognized immunoregulatory function of aucuboside may have clinical applications in IBD.
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Affiliation(s)
- Chenxue Mei
- Department of Immunology, College of Basic Medical Sciences of China Medical University, Shenyang, China.,Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xiao Wang
- Department of Immunology, College of Basic Medical Sciences of China Medical University, Shenyang, China
| | - Fanxiang Meng
- Department of Immunology, College of Basic Medical Sciences of China Medical University, Shenyang, China
| | - Xiaoqing Zhang
- Department of Immunology, College of Basic Medical Sciences of China Medical University, Shenyang, China
| | - Ling Chen
- Department of Gastroenterology, Jinqiu Hospital of Liaoning Province, Shenyang, China
| | - Siqi Yan
- Department of Immunology, College of Basic Medical Sciences of China Medical University, Shenyang, China
| | - Junxiu Xue
- Department of Immunology, College of Basic Medical Sciences of China Medical University, Shenyang, China
| | - Xun Sun
- Department of Immunology, College of Basic Medical Sciences of China Medical University, Shenyang, China
| | - Yuanyuan Wang
- Department of Anesthesiology, The Fourth Affiliated Hospital, China Medical University, Shenyang, China
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13
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Shahbaz S, Jovel J, Elahi S. Differential transcriptional and functional properties of regulatory T cells in HIV-infected individuals on antiretroviral therapy and long-term non-progressors. Clin Transl Immunology 2021; 10:e1289. [PMID: 34094548 PMCID: PMC8155695 DOI: 10.1002/cti2.1289] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 04/09/2021] [Accepted: 04/29/2021] [Indexed: 12/11/2022] Open
Abstract
Objectives Regulatory T cells (Tregs) are widely recognised as a subset of CD4+CD25+FOXP3+ T cells that have a key role in maintaining immune homeostasis. The impact of HIV‐1 infection on immunological properties and effector functions of Tregs has remained the topic of debate and controversy. In the present study, we investigated transcriptional profile and functional properties of Tregs in HIV‐1‐infected individuals either receiving antiretroviral therapy (ART, n = 50) or long‐term non‐progressors (LTNPs, n = 24) compared to healthy controls (HCs, n = 38). Methods RNA sequencing (RNAseq), flow cytometry‐based immunophenotyping and functional assays were performed to study Tregs in different HIV cohorts. Results Our RNAseq analysis revealed that Tregs exhibit different transcriptional profiles in HIV‐infected individuals. While Tregs from patients on ART upregulate pathways associated with a more suppressive (activated) phenotype, Tregs in LTNPs exhibit upregulation of pathways associated with impaired suppressive properties. These observations may explain a higher propensity for autoimmune diseases in LTNPs. Also, we found substantial upregulation of HLA‐F mRNA and HLA‐F protein in Tregs from HIV‐infected subjects compared to healthy individuals. These observations highlight a potential role for this non‐classical HLA in Tregs in the context of HIV infection, which should be investigated further in other chronic viral infections and cancer. Conclusion Our study has provided a novel insight into Tregs at the transcriptional and functional levels in different HIV‐infected groups.
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Affiliation(s)
- Shima Shahbaz
- School of Dentistry Faculty of Medicine and Dentistry University of Alberta Edmonton AB Canada
| | - Juan Jovel
- School of Dentistry Faculty of Medicine and Dentistry University of Alberta Edmonton AB Canada
| | - Shokrollah Elahi
- School of Dentistry Faculty of Medicine and Dentistry University of Alberta Edmonton AB Canada.,Department of Medical Microbiology and Immunology Faculty of Medicine and Dentistry University of Alberta Edmonton AB Canada.,Department of Oncology Faculty of Medicine and Dentistry University of Alberta Edmonton AB Canada.,Li Ka Shing Institute of Virology Faculty of Medicine and Dentistry University of Alberta Edmonton AB Canada
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14
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Santopaolo M, Sullivan N, Thomas AC, Alvino VV, Nicholson LB, Gu Y, Spinetti G, Kallikourdis M, Blom A, Madeddu P. Activation of Bone Marrow Adaptive Immunity in Type 2 Diabetes: Rescue by Co-stimulation Modulator Abatacept. Front Immunol 2021; 12:609406. [PMID: 33746953 PMCID: PMC7969721 DOI: 10.3389/fimmu.2021.609406] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 01/27/2021] [Indexed: 01/10/2023] Open
Abstract
Background: Chronic low-grade inflammation and alterations in innate and adaptive immunity were reported in Type 2 diabetes (T2D). Here, we investigated the abundance and activation of T cells in the bone marrow (BM) of patients with T2D. We then verified the human data in a murine model and tested if the activation of T cells can be rescued by treating mice with abatacept, an immunomodulatory drug employed for the treatment of rheumatoid arthritis. Clinical evidence indicated abatacept can slow the decline in beta-cell function. Methods: A cohort of 24 patients (12 with T2D) undergoing hip replacement surgery was enrolled in the study. Flow cytometry and cytokine analyses were performed on BM leftovers from surgery. We next compared the immune profile of db/db and control wt/db mice. In an additional study, db/db mice were randomized to receive abatacept or vehicle for 4 weeks, with endpoints being immune cell profile, indices of insulin sensitivity, and heart performance. Results: Patients with T2D showed increased frequencies of BM CD4+ (2.8-fold, p = 0.001) and CD8+ T cells (1.8-fold, p = 0.01), with the upregulation of the activation marker CD69 and the homing receptor CCR7 in CD4+ (1.64-fold, p = 0.003 and 2.27-fold, p = 0.01, respectively) and CD8+ fractions (1.79-fold, p = 0.05 and 1.69-fold, p = 0.02, respectively). These differences were confirmed in a multivariable regression model. CCL19 (CCR7 receptor ligand) and CXCL10/11 (CXCR3 receptor ligands), implicated in T-cell migration and activation, were the most differentially modulated chemokines. Studies in mice confirmed the activation of adaptive immunity in T2D. Abatacept reduced the activation of T cells and the levels of proinflammatory cytokines and improved cardiac function but not insulin sensitivity. Conclusions: Results provide proof-of-concept evidence for the activation of BM adaptive immunity in T2D. In mice, treatment with abatacept dampens the activation of adaptive immunity and protects from cardiac damage.
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Affiliation(s)
- Marianna Santopaolo
- Bristol Medical School, Translational Health Sciences, University of Bristol, Bristol, United Kingdom
| | - Niall Sullivan
- University Hospitals Bristol NHS Trust, Bristol, United Kingdom
| | - Anita Coral Thomas
- Bristol Medical School, Translational Health Sciences, University of Bristol, Bristol, United Kingdom
| | - Valeria Vincenza Alvino
- Bristol Medical School, Translational Health Sciences, University of Bristol, Bristol, United Kingdom
| | - Lindsay B Nicholson
- Bristol Medical School, School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
| | - Yue Gu
- Bristol Medical School, Translational Health Sciences, University of Bristol, Bristol, United Kingdom
| | - Gaia Spinetti
- Laboratory of Cardiovascular Research, Istituto di Ricovero e Cura a Carattere Scientifico MultiMedica, Milan, Italy
| | - Marinos Kallikourdis
- Department of Biomedical Sciences, Humanitas University, Milan, Italy.,Adaptive Immunity Laboratory, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Ashley Blom
- Bristol Medical School, Translational Health Sciences, University of Bristol, Bristol, United Kingdom
| | - Paolo Madeddu
- Bristol Medical School, Translational Health Sciences, University of Bristol, Bristol, United Kingdom
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15
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Xiao Y, Zhang K, Zhu SY, Deng XL, Chen XY, Fu NL, Chen J. Shenling Baizhu Powder () Ameliorates Pi (Spleen)-Deficiency-Induced Functional Diarrhea in Rats. Chin J Integr Med 2021; 27:206-211. [PMID: 32720115 DOI: 10.1007/s11655-020-3259-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/02/2020] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To explore the mechanism of Pi (Spleen)-deficiency-induced functional diarrhea (FD) model rats treated by Shenling Baizhu Powder (, SBP). METHODS Thirty male Sprague-Dawley rats were randomly divided into 5 groups including control, model, low-, medium-, and high-dose SBP groups (SBPLDG, SBPMDG, SBPHDG), 6 rats in each group, respectively. Pi-deficiency-induced FD rats model was developed through Radix et Rhizoma Rhei gavage for 7 days. After modeling, the rats were treated with 3 doses of SBP [0.93, 1.86, and 3.72 g/(kg·d)], and the rats in the control and model groups were given pure water for 7 days. The diarrhea index was calculated. On the 7th and 14th days, the traveled distance of rat was measured by the open field test. Serum D-xylose content was determined by the phloroglucinol method and interleukin (IL)-10 and IL-17 levels were measured using an enzyme-linked immunosorbent assay kit. The content of Treg cells was determined by flow cytometry. RESULTS Compared with the control group, the diarrhea index and IL-17 level in the model group were significantly higher and the total exercise distance and D-xylose content significantly decreased (P>0.05). The expression of IL-10 in the SBPHDG group was significantly up-regulated, and serum D-xylose level and Treg cells increased significantly compared with the model group (P>0.05). CONCLUSION High-dose SBP exhibited ameliorating effects against Pi-deficiency induced FD, which might be attributed to its modulations on intestinal absorption function as well as adaptive immunity in mesenteric lymph nodes of rat.
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Affiliation(s)
- Yi Xiao
- Department of Chinese Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, 510062, China
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Kui Zhang
- Department of Chinese Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, 510062, China
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Si-Yu Zhu
- Department of Chinese Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, 510062, China
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Xiang-Liang Deng
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Xiao-Yin Chen
- School of Chinese Medicine, Jinan University, Guangzhou, 510632, China
| | - Nan-Lin Fu
- Department of Chinese Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, 510062, China
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Jia Chen
- Department of Chinese Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, 510062, China.
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
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16
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Zhang R, Xu K, Shao Y, Sun Y, Saredy J, Cutler E, Yao T, Liu M, Liu L, Drummer Iv C, Lu Y, Saaoud F, Ni D, Wang J, Li Y, Li R, Jiang X, Wang H, Yang X. Tissue Treg Secretomes and Transcription Factors Shared With Stem Cells Contribute to a Treg Niche to Maintain Treg-Ness With 80% Innate Immune Pathways, and Functions of Immunosuppression and Tissue Repair. Front Immunol 2021; 11:632239. [PMID: 33613572 PMCID: PMC7892453 DOI: 10.3389/fimmu.2020.632239] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 12/18/2020] [Indexed: 12/12/2022] Open
Abstract
We used functional -omics angles and examined transcriptomic heterogeneity in CD4+Foxp3+ regulatory T cells (Treg) from spleen (s-Treg), lymph nodes (LN-Treg), intestine (int-Treg), and visceral adipose tissue (VAT-Treg), and made significant findings: 1) Five new shared Treg genes including NIBAN, TNFRSF1b, DUSP4,VAV2, and KLRG1, and 68 new signatures are identified. Among 27 signaling pathways shared in four tissue Treg, 22 pathways are innate immune pathways (81.5%); 2) s-Treg, LN-Treg, int-Treg, and VAT-Treg have zero, 49, 45, and 116 upregulated pathways, respectively; 3) 12, 7, and 15 out of 373 CD markers are identified as specific for LN-Treg, int-Treg, and VAT-Treg, respectively, which may initiate innate immune signaling; 4) 7, 49, 44, and 79 increased cytokines out of 1176 cytokines are identified for four Treg, respectively, suggesting that Treg have much more secretory proteins/cytokines than IL-10, TGF-β, and IL-35; 5) LN-Treg, int-Treg, and VAT-Treg have 13 additional secretory functions more than s-Treg, found by analyzing 1,706 secretomic genes; 6) 2, 20, 25, and 43 increased transcription factors (TFs) out of 1,496 TFs are identified four Treg, respectively; 7) LN-Treg and int-Treg have increased pyroptosis regulators but VAT-Treg have increased apoptosis regulators; 8) 1, 15, 19, and 31 increased kinases out of 661 kinome are identified for s-Treg, LN-Treg, int-Treg, and VAT-Treg, respectively; 9) comparing with that of s-Treg, LN-Treg, int-Treg, and VAT-Treg increase activated cluster (clusters 1–3) markers; and decrease resting cluster (clusters 4–6) markers; and 10) Treg promote tissue repair by sharing secretomes and TFs AHR, ETV5, EGR1, and KLF4 with stem cells, which partially promote upregulation of all the groups of Treg genes. These results suggest that stem cell-shared master genes make tissue Treg as the first T cell type using a Treg niche to maintain their Treg-ness with 80% innate immune pathways, and triple functions of immunosuppression, tissue repair, and homeostasis maintenance. Our results have provided novel insights on the roles of innate immune pathways on Treg heterogeneity and new therapeutic targets for immunosuppression, tissue repair, cardiovascular diseases, chronic kidney disease, autoimmune diseases, transplantation, and cancers.
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Affiliation(s)
- Ruijing Zhang
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States.,Department of Nephrology, The Second Hospital of Shanxi Medical University, Shanxi, China.,Shanxi Medical University, Shanxi, China.,Department of Nephrology, The Affiliated People's Hospital of Shanxi Medical University, Shanxi, China
| | - Keman Xu
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Ying Shao
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Yu Sun
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Jason Saredy
- Metabolic Disease Research & Thrombosis Research, Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Elizabeth Cutler
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States.,School of Science and Engineering, Tulane University, New Orleans, LA, United States
| | - Tian Yao
- Shanxi Medical University, Shanxi, China
| | - Ming Liu
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States.,Shanxi Medical University, Shanxi, China
| | - Lu Liu
- Metabolic Disease Research & Thrombosis Research, Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Charles Drummer Iv
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Yifan Lu
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Fatma Saaoud
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Dong Ni
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Jirong Wang
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States.,Department of Nephrology, The Second Hospital of Shanxi Medical University, Shanxi, China
| | - Yafeng Li
- Department of Nephrology, The Affiliated People's Hospital of Shanxi Medical University, Shanxi, China
| | - Rongshan Li
- Department of Nephrology, The Affiliated People's Hospital of Shanxi Medical University, Shanxi, China
| | - Xiaohua Jiang
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States.,Metabolic Disease Research & Thrombosis Research, Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Hong Wang
- Metabolic Disease Research & Thrombosis Research, Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
| | - Xiaofeng Yang
- Centers for Cardiovascular Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States.,Metabolic Disease Research & Thrombosis Research, Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States.,Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, United States
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17
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Roth-Walter F, Adcock IM, Benito-Villalvilla C, Bianchini R, Bjermer L, Boyman O, Caramori G, Cari L, Fan Chung K, Diamant Z, Eguiluz-Gracia I, Knol EF, Kolios A, Levi-Schaffer F, Nocentini G, Palomares O, Redegeld F, Van Esch B, Stellato C. Immune modulation via T regulatory cell enhancement: Disease-modifying therapies for autoimmunity and their potential for chronic allergic and inflammatory diseases-An EAACI position paper of the Task Force on Immunopharmacology (TIPCO). Allergy 2021; 76:90-113. [PMID: 32593226 DOI: 10.1111/all.14478] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 06/09/2020] [Accepted: 06/18/2020] [Indexed: 12/13/2022]
Abstract
Therapeutic advances using targeted biologicals and small-molecule drugs have achieved significant success in the treatment of chronic allergic, autoimmune, and inflammatory diseases particularly for some patients with severe, treatment-resistant forms. This has been aided by improved identification of disease phenotypes. Despite these achievements, not all severe forms of chronic inflammatory and autoimmune diseases are successfully targeted, and current treatment options, besides allergen immunotherapy for selected allergic diseases, fail to change the disease course. T cell-based therapies aim to cure diseases through the selective induction of appropriate immune responses following the delivery of engineered, specific cytotoxic, or regulatory T cells (Tregs). Adoptive cell therapies (ACT) with genetically engineered T cells have revolutionized the oncology field, bringing curative treatment for leukemia and lymphoma, while therapies exploiting the suppressive functions of Tregs have been developed in nononcological settings, such as in transplantation and autoimmune diseases. ACT with Tregs are also being considered in nononcological settings such as cardiovascular disease, obesity, and chronic inflammatory disorders. After describing the general features of T cell-based approaches and current applications in autoimmune diseases, this position paper reviews the experimental models testing or supporting T cell-based approaches, especially Treg-based approaches, in severe IgE-mediated responses and chronic respiratory airway diseases, such as severe asthma and COPD. Along with an assessment of challenges and unmet needs facing the application of ACT in these settings, this article underscores the potential of ACT to offer curative options for patients with severe or treatment-resistant forms of these immune-driven disorders.
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Affiliation(s)
- Franziska Roth-Walter
- Comparative Medicine, The Interuniversity Messerli Research Institute of the University of Veterinary Medicine Vienna, Medical University Vienna and University Vienna, Vienna, Austria
| | - Ian M Adcock
- Molecular Cell Biology Group, National Heart & Lung Institute, Imperial College London, London, UK
| | - Cristina Benito-Villalvilla
- Department of Biochemistry and Molecular Biology, School of Chemistry, Complutense University of Madrid, Madrid, Spain
| | - Rodolfo Bianchini
- Comparative Medicine, The Interuniversity Messerli Research Institute of the University of Veterinary Medicine Vienna, Medical University Vienna and University Vienna, Vienna, Austria
| | - Leif Bjermer
- Department of Respiratory Medicine and Allergology, Lung and Allergy research, Allergy, Asthma and COPD Competence Center, Lund University, Lund, Sweden
| | - Onur Boyman
- Department of Immunology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Gaetano Caramori
- Department of Biomedical Sciences, Dentistry and Morphological and Functional Imaging (BIOMORF), Respiratory Medicine Unit, University of Messina, Messina, Italy
| | - Luigi Cari
- Department of Medicine, Section of Pharmacology, University of Perugia, Perugia, Italy
| | - Kian Fan Chung
- Experimental Studies Medicine at National Heart & Lung Institute, Imperial College London & Royal Brompton & Harefield NHS Trust, London, UK
| | - Zuzana Diamant
- Department of Respiratory Medicine and Allergology, Institute for Clinical Science, Skane University Hospital, Lund, Sweden
- Department of Respiratory Medicine, First Faculty of Medicine, Charles University and Thomayer Hospital, Prague, Czech Republic
- Department of Clinical Pharmacy & Pharmacology, University Groningen, University Medical Center Groningen and QPS-NL, Groningen, Netherlands
| | - Ibon Eguiluz-Gracia
- Allergy Unit, Hospital Regional Universitario de Málaga-Instituto de Investigación Biomédica de Málaga (IBIMA)-ARADyAL, Málaga, Spain
| | - Edward F Knol
- Departments of Immunology and Dermatology/Allergology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Antonios Kolios
- Department of Immunology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Francesca Levi-Schaffer
- Pharmacology Unit, Faculty of Medicine, Institute for Drug Research, The Hebrew University of Jerusalem, Israel
| | - Giuseppe Nocentini
- Department of Medicine, Section of Pharmacology, University of Perugia, Perugia, Italy
| | - Oscar Palomares
- Department of Biochemistry and Molecular Biology, School of Chemistry, Complutense University of Madrid, Madrid, Spain
| | - Frank Redegeld
- Faculty of Science, Division of Pharmacology, Department of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Betty Van Esch
- Faculty of Science, Division of Pharmacology, Department of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Cristiana Stellato
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Salerno, Italy
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Bai S, Wu Y, Yan Y, Kang H, Zhang J, Ma W, Gao Y, Hui B, Li R, Zhang X, Ren J. The effect of CCL5 on the immune cells infiltration and the prognosis of patients with kidney renal clear cell carcinoma. Int J Med Sci 2020; 17:2917-2925. [PMID: 33173412 PMCID: PMC7646109 DOI: 10.7150/ijms.51126] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Accepted: 09/27/2020] [Indexed: 12/17/2022] Open
Abstract
Background: Kidney renal clear cell carcinoma (KIRC) is the most representative subtype of renal cancer. Immune infiltration was associated with the survival time of patients with tumors. C-C chemokine ligand 5 (CCL5) can promote the malignant process of tumor and be related to infiltration immune cells in some cancers, but not reported in KIRC. Methods: The expression profile and clinical data were obtained from The Cancer Genome Atlas (TCGA) database. The correlation between the expression level of CCL5 and clinical features in KIRC was analyzed. Gene Set Enrichment Analysis (GSEA) was utilized to explore the functions and pathways of CCL5 in KIRC. Then, the analysis between the survival and immune infiltration cells was carried out, as well as the non-parametric tests between the CCL5 expression and the ratios of immune infiltration cells. Results: The correlations between the expression levels of CCL5 in KIRC and clinical features including survival time, pathological stage, grade, and status of the patient, have been identified. Meanwhile, GSEA analysis has shown relationships between the expression of CCL5 and immune pathways. The immune infiltrated cells were correlated with the prognosis of KIRC, especially regulatory T cells (Tregs), mast cells, and dendritic cells. And Tregs was associated with the CCL5 expression. Conclusion: The increased expression of CCL5 is related to poor prognosis and clinical features. Meanwhile, CCL5 is related to Tregs ratios and CCL5 may act as a typical chemokine to recruit Tregs in KIRC. CCL5 could be used as a biomarker for the prognosis prediction and a potential therapeutic target for patients with KIRC.
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Affiliation(s)
- Shuheng Bai
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China, 710061
- Medical School, Xi'an Jiaotong University Xi'an, Shaanxi Province, China, 710061
| | - YinYing Wu
- Department of Chemotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China, 710061
| | - Yanli Yan
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China, 710061
| | - Haojing Kang
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China, 710061
| | - Jiangzhou Zhang
- Medical School, Xi'an Jiaotong University Xi'an, Shaanxi Province, China, 710061
| | - Wen Ma
- Medical School, Xi'an Jiaotong University Xi'an, Shaanxi Province, China, 710061
| | - Ying Gao
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China, 710061
| | - Beina Hui
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China, 710061
| | - Rong Li
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China, 710061
| | - Xiaozhi Zhang
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China, 710061
| | - Juan Ren
- Department of Radiotherapy, Oncology Department, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China, 710061
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Liu B, Shao Y, Liang X, Lu D, Yan L, Churov A, Fu R. CTLA-4 and HLA-DQ are key molecules in the regulation of mDC-mediated cellular immunity by Tregs in severe aplastic anemia. J Clin Lab Anal 2020; 34:e23443. [PMID: 32621335 PMCID: PMC7595925 DOI: 10.1002/jcla.23443] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/01/2020] [Accepted: 06/03/2020] [Indexed: 12/19/2022] Open
Abstract
Background Regulatory T cells (Tregs) inhibit the activation of cluster of differentiation (CD) 4+, CD8+T cells and the antigen‐presenting process of antigen‐presenting cells, and may play an important role in acquired severe aplastic anemia (SAA). Methods Flow cytometry was used to measure CD4+CD25+CD127dim Tregs, cytotoxic T lymphocyte antigen 4 (CTLA‐4) expression on Tregs, and human leukocyte antigen (HLA)‐DQ expression on myeloid dendritic cells (mDCs). The correlations of CTLA‐4 and HLA‐DQ with immune status and clinical indicators and the changes in these indicators after immunosuppressive therapy (IST) were analyzed. Results In SAA patients, the number of Tregs and their CTLA‐4 expression were low but recovered after IST; the HLA‐DQ expression on mDCs was high but decreased after IST. The CTLA‐4 expression on Tregs and the HLA‐DQ expression on mDCs showed a negative correlation. The CTLA‐4 on Tregs was positively but HLA‐DQ on mDCs negatively correlated with the number of Tregs, natural killer (NK) cell number, and CD4+T/CD8+T ratio. CTLA‐4 was positively but HLA‐DQ negatively correlated with the percentage of granulocytoid and erythroid cells in bone marrow, white blood cell count in PB, absolute neutrophil count in PB, and the percentage of reticulocytes in PB. Conclusions CTLA‐4/HLA‐DQ may be key in the regulation of Tregs on mDCs in SAA patients. Our findings should be helpful for further investigation of the mechanism of immune pathogenesis in SAA patients. Studies on the regulators of Treg and CTLA‐4 activity will be valuable for SAA therapeutic target research and disease monitoring.
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Affiliation(s)
- Bingnan Liu
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
| | - Yuanyuan Shao
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
| | - Xiaowei Liang
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
| | - Dan Lu
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
| | - Li Yan
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
| | - Alexey Churov
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
| | - Rong Fu
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
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Wang Y, Wang S, Gu C, Xiong Y, Shen H, Liu F, Yang J. Ex-vivo treatment of allografts using adipose-derived stem cells induced prolonged rejection-free survival in an allogenic hind-limb transplantation model. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:867. [PMID: 32793711 DOI: 10.21037/atm-19-4730] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Background Vascularized composite tissue allotransplantation (VCA) has increasingly been adopted for the reconstruction of tissues following severe injury. However, the side effects of the post-operative use of immunosuppressants may outweigh the benefits of VCA. In order to overcome this obstacle, ex-vivo pretreatment of allografts combined with mesenchymal stem cell-based therapy may help induce immunotolerance in composite tissue allotransplantation. Methods A hind-limb allotransplantation model of Brown-Norway to Lewis rats was established, and the allografts were infused with adipose-derived stem cells (ADSCs) and hypoxia primed ADSCs, which were injected through the vascular system along with short-term immunosuppressant treatment. The rejection-free survival of the allografts was monitored, and the histopathological examination of allografts was performed. The peripheral T lymphocytes and cytokines were analyzed using flow cytometry and ELISA, while Tregs infiltration in allotissue was detected using immunohistochemical staining (IHC). Results This study found that the ex-vivo treatment of allografts using ADSCs prolonged the survival of the allografts, compared with the medium control, suppressed the proliferation and infiltration of T lymphocytes and improved the secretion of immunomodulatory cytokines, such as IL-10, as well as induced regulatory T cells (Tregs) expression in the allografts. Conclusions The ex-vivo pretreatment of allografts using ADSCs may function as an important adjunctive therapy for the induction of immunotolerance in VCA.
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Affiliation(s)
- Yinmin Wang
- Department of Plastic and Reconstructive Surgery, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China.,Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Shoubao Wang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Chuan Gu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Yao Xiong
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Hua Shen
- Department of Plastic and Reconstructive Surgery, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Fei Liu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Jun Yang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
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Hou PF, Zhu LJ, Pan Y, Sun XC, Pu J. The relationship between regulatory T cells and radiation therapy. Cancer Radiother 2020; 24:81-84. [PMID: 32046914 DOI: 10.1016/j.canrad.2019.07.160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 07/09/2019] [Accepted: 07/10/2019] [Indexed: 11/30/2022]
Abstract
Radiation therapy (RT) is an effective treatment for cancer. Approximately, 70% of cancer patients receive RT in China. The immune-modulating effect of radiation therapy have gained considerable interest in recent years and there have been multiple reports of synergy between radiation and immunotherapy. Regulatory T cells (Tregs) are a group of T cell subsets with immunosuppressive function, which is correlated with cancer. Tregs are involved in the pathogenesis, development, treatment and prognosis of tumors by cell-cell contact, cytokines, and cell metabolism. Based on the immunological characteristics of Tregs, this article reviews the interaction between RT and immune molecules, aiming to provide new ideas for RT combined with immunotherapy.
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Affiliation(s)
- P-F Hou
- Department of Clinical Laboratory, Lianshui County People's Hospital, Lianshui, China
| | - L-J Zhu
- Department of Clinical Laboratory, Lianshui County People's Hospital, Lianshui, China
| | - Y Pan
- Department of Clinical Laboratory, Lianshui County People's Hospital, Lianshui, China
| | - X-C Sun
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - J Pu
- Department of Radiation Oncology, Lianshui County People's Hospital, Lianshui, China.
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22
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Lin CC, Wang YY, Chen SM, Liu YT, Li JQ, Li F, Dai JC, Zhang T, Qiu F, Liu H, Dai Z, Zhang ZD. Shegan-Mahuang Decoction ameliorates asthmatic airway hyperresponsiveness by downregulating Th2/Th17 cells but upregulating CD4+FoxP3+ Tregs. JOURNAL OF ETHNOPHARMACOLOGY 2020; 253:112656. [PMID: 32035217 DOI: 10.1016/j.jep.2020.112656] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 01/22/2020] [Accepted: 02/05/2020] [Indexed: 01/21/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Shegan-Mahuang Decoction (SMD), also named Yakammaoto or Shegan-Mahuang Tang, is a classic formula of traditional Chinese medicine with nine herbs, including Asarum sieboldii Miq., Aster tataricus L.f., Ephedra sinica Stapf, Belamcanda chinensis (L.) Redouté, Pinellia ternata (Thunb.) Breit., Schisandra chinensis (Turcz.) Baill., Tussilago farfara L., Zingiber officinale Roscoe, and Ziziphus jujuba Mill. SMD was originally discovered by Zhang Zhongjing in Eastern Han dynasty. It has been widely used as traditional medicine to treat flu-like symptoms in China and Japan for around twenty centuries. It was also utilized for the treatment of the early stage of acute asthma. However, the immune mechanisms underlying its therapeutic effects remain unknown. AIM OF THE STUDY This study was set to investigate the effects of SMD on asthmatic airway hyperresponsiveness and its impacts on adaptive immunity in a mouse model of asthma. MATERIALS AND METHODS The HPLC fingerprint profile of the water extract of SMD recorded 22 peaks, including those equivalent to guanosine, chlorogenic acid, tectoridin, 6-gingerol and wuweizisu B, as described previously (Yen et al., 2014). Airway hyperresponsiveness was assessed by measuring the airway resistance. Cellular infiltration was measured via H&E staining and immunochemistry while gene expression was analyzed using real-time RT-PCR. Treg frequency was determined through flow analysis whereas cytokine production in the supernatant was evaluated using ELISA. Finally, mTOR and NF-kB signalings were analyzed via Western blotting. RESULTS We found that SMD largely corrected the imbalance of Th cell subsets in asthmatic mice with a significant inhibition of Th2 and Th17 cytokine production, thereby reducing asthmatic airway hyperresponsiveness. Moreover, lung function tests showed that SMD reduced airway hyperresponsiveness while immunohistochemical analyses demonstrated that SMD attenuated pulmonary infiltration of CD3+ and CD4+ T cells. Further, we observed a significant increase in the proportion of CD4+Foxp3+ Tregs in SMD-treated asthmatic mice. We also found that SMD downregulated gene expression of GATA3 and ROR-γt in murine lung tissue. In addition, both mTOR- and NF-kB-related protein expressions were reduced in the lung tissue of SMD-treated mice. SMD inhibited Th2/Th17 cytokine production by CD4+ T cells and also their mTOR activity in vitro. CONCLUSIONS Our findings demonstrate that SMD attenuates asthmatic airway hyperresponsiveness by hindering Th2/Th17 differentiation, promoting CD4+FoxP3+ Treg generation and suppressing mTOR and NF-kB activities.
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Affiliation(s)
- Cheng-Chuang Lin
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Yuan-Yuan Wang
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Si-Min Chen
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Yun-Tao Liu
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Ji-Qiang Li
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Fang Li
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Jie-Chen Dai
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Tong Zhang
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Feifei Qiu
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Huazhen Liu
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Zhenhua Dai
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China.
| | - Zhong-De Zhang
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China.
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Fribourg M. A case for the reuse and adaptation of mechanistic computational models to study transplant immunology. Am J Transplant 2020; 20:355-361. [PMID: 31562790 PMCID: PMC6984985 DOI: 10.1111/ajt.15623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 09/19/2019] [Accepted: 09/20/2019] [Indexed: 02/06/2023]
Abstract
Computational mechanistic models constitute powerful tools for summarizing our knowledge in quantitative terms, providing mechanistic understanding, and generating new hypotheses. The present review emphasizes the advantages of reusing publicly available computational models as a way to capitalize on existing knowledge, reduce the number of parameters that need to be adjusted to experimental data, and facilitate hypothesis generation. Finally, it includes a step-by-step example of the reuse and adaptation of an existing model of immune responses to tuberculosis, tumor growth, and blood pathogens, to study donor-specific antibody (DSA) responses. This review aims to illustrate the benefit of leveraging the currently available computational models in immunology to accelerate the study of alloimmune responses, and to encourage modelers to share their models to further advance our understanding of transplant immunology.
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Affiliation(s)
- Miguel Fribourg
- Translational Transplant Research Center, Department of Medicine, and Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY
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Kuijieling-Containing Serum Regulates Th17 and Treg Cell Differentiation by Inhibiting STAT3 Signaling In Vitro. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:7837989. [PMID: 31534467 PMCID: PMC6732620 DOI: 10.1155/2019/7837989] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 06/04/2019] [Accepted: 07/24/2019] [Indexed: 12/30/2022]
Abstract
Object To investigate the effect of Kuijieling (KJL) on the balance between T helper 17 (Th17) and regulatory T (Treg) cells in peripheral blood mononuclear cells (PBMC) in vitro and explore the underlying mechanism. Materials and Methods PBMCs isolated from rats were stimulated with transforming growth factor-β, interleukin (IL)-6, and IL-23 to induce the imbalance of Th17 and Treg cells and were treated with 10, 5, or 2.5% KJL-containing serum. The proportion of Th17 or Treg cells in CD4+ T cells was analyzed by flow cytometry, the concentrations of IL-17, IL-21, and IL-10 were assayed by ELISA, mRNA expressions of retinoic acid-related orphan receptor γt (RORγt), forkhead box protein 3 (Foxp3), and signal transducer and activator of transcription 3 (STAT3) were quantified by PCR, and phosphorylated STAT3 (p-STAT3) was analyzed by flow cytometry. Results KJL-containing serum decreased the proportion of Th17 cells and increased the proportion of Treg cells in CD4+ T cells, decreased the concentration of IL-17 and IL-21, enhanced the level of IL-10 in the cell culture supernatant, promoted the expression of Foxp3, and inhibited the levels of RORγt, STAT3, and p-STAT3. Conclusion KJL suppresses the STAT3 pathway to remedy the imbalance between Th17 and Treg cells.
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Treg-mediated prolonged survival of skin allografts without immunosuppression. Proc Natl Acad Sci U S A 2019; 116:13508-13516. [PMID: 31196957 PMCID: PMC6613183 DOI: 10.1073/pnas.1903165116] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Injection of Interleukin-2 (IL-2) complexed with a particular anti-IL-2 monoclonal antibody (mab) JES6-1 has been shown to selectively expand CD4+Foxp3+ T regulatory T cells (Tregs) in vivo. Although the potency of this approach with regard to transplantation has already been proven in an islet transplantation model, skin graft survival could not be prolonged. Since the latter is relevant to human allograft survival, we sought to improve the efficiency of IL-2 complex (cplx) treatment for skin allograft survival in a stringent murine skin graft model. Here, we show that combining low doses of IL-2 cplxs with rapamycin and blockade of the inflammatory cytokine IL-6 leads to long-term (>75 d) survival of major histocompatibility complex-different skin allografts without the need for immunosuppression. Allograft survival was critically dependent on CD25+FoxP3+ Tregs and was not accompanied by impaired responsiveness toward donor alloantigens in vitro after IL-2 cplx treatment was stopped. Furthermore, second donor-type skin grafts were rejected and provoked rejection of the primary graft, suggesting that operational tolerance is not systemic but restricted to the graft. These findings plus the lack of donor-specific antibody formation imply that prolonged graft survival was largely a reflection of immunological ignorance. The results may represent a potentially clinically translatable strategy for the development of protocols for tolerance induction.
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Damasio MP, Rocha MO, Sousa GR, Ferreira KS, Fares-Gusmão RC, Medeiros NI, Araujo FF, Chaves AT, Dutra WO, Correa-Oliveira R, Gomes JA. PD1 and PDL1 molecules control suppressor activity of regulatory T cells in chronic Chagas cardiomyopathy patients. Hum Immunol 2019; 80:517-522. [DOI: 10.1016/j.humimm.2019.03.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 03/06/2019] [Accepted: 03/06/2019] [Indexed: 12/31/2022]
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27
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Dai Q, Wang M, Li Y, Li J. Amelioration of CIA by Asarinin Is Associated to a Downregulation of TLR9/NF-κB and Regulation of Th1/Th2/Treg Expression. Biol Pharm Bull 2019; 42:1172-1178. [DOI: 10.1248/bpb.b19-00083] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Qiaomei Dai
- Department of Pathology, Heilongjiang University of Chinese Medicine
| | - Meiqiao Wang
- Department of Pathology, Heilongjiang University of Chinese Medicine
| | - Yaozhang Li
- Department of Pathology, Heilongjiang University of Chinese Medicine
| | - Ji Li
- Department of Chinese Formulae, Heilongjiang University of Chinese Medicine
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Kim S, Kim SJ, Jo ES, Gil K, Kim NY, Park JS, Park D, Park SY, Hwang KW. Anti-pancreatic-cancer effect of a newly bred cabbage line, Amtak-ssamchae, is mediated by a reduction in regulatory-T-cell recruitment. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Ge T, Yu Y, Cui J, Cai L. The adaptive immune role of metallothioneins in the pathogenesis of diabetic cardiomyopathy: good or bad. Am J Physiol Heart Circ Physiol 2019; 317:H264-H275. [PMID: 31100011 DOI: 10.1152/ajpheart.00123.2019] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Diabetes is a metabolic disorder characterized by hyperglycemia, resulting in low-grade systemic inflammation. Diabetic cardiomyopathy (DCM) is a common complication among diabetic patients, and the mechanism underlying its induction of cardiac remodeling and dysfunction remains unclear. Numerous experimental and clinical studies have suggested that adaptive immunity, especially T lymphocyte-mediated immunity, plays a potentially important role in the pathogenesis of diabetes and DCM. Metallothioneins (MTs), cysteine-rich, metal-binding proteins, have antioxidant properties. Some potential mechanisms underlying the cardioprotective effects of MTs include the role of MTs in calcium regulation, zinc homeostasis, insulin sensitization, and antioxidant activity. Moreover, metal homeostasis, especially MT-regulated zinc homeostasis, is essential for immune function. This review discusses aberrant immune regulation in diabetic heart disease with respect to endothelial insulin resistance and the effects of hyperglycemia and hyperlipidemia on tissues and the different effects of intracellular and extracellular MTs on adaptive immunity. This review shows that intracellular MTs are involved in naïve T-cell activation and reduce regulatory T-cell (Treg) polarization, whereas extracellular MTs promote proliferation and survival in naïve T cells and Treg polarization but inhibit their activation, thus revealing potential therapeutic strategies targeting the regulation of immune cell function by MTs.
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Affiliation(s)
- Tingwen Ge
- Cancer Center, First Hospital of Jilin University , Changchun, Jilin , China.,Pediatric Research Institute, Department of Pediatrics, University of Louisville, Norton Health Care, Louisville, Kentucky
| | - Youxi Yu
- Pediatric Research Institute, Department of Pediatrics, University of Louisville, Norton Health Care, Louisville, Kentucky.,Department of Hepatobiliary and Pancreatic Surgery, First Hospital of Jilin University , Changchun, Jilin , China
| | - Jiuwei Cui
- Cancer Center, First Hospital of Jilin University , Changchun, Jilin , China
| | - Lu Cai
- Pediatric Research Institute, Department of Pediatrics, University of Louisville, Norton Health Care, Louisville, Kentucky.,Departments of Radiation Oncology, Pharmacology and Toxicology, University of Louisville , Louisville, Kentucky
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30
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Alvarez F, Fritz JH, Piccirillo CA. Pleiotropic Effects of IL-33 on CD4 + T Cell Differentiation and Effector Functions. Front Immunol 2019; 10:522. [PMID: 30949175 PMCID: PMC6435597 DOI: 10.3389/fimmu.2019.00522] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 02/26/2019] [Indexed: 12/16/2022] Open
Abstract
IL-33, a member of the IL-1 family of cytokines, was originally described in 2005 as a promoter of type 2 immune responses. However, recent evidence reveals a more complex picture. This cytokine is released locally as an alarmin upon cellular damage where innate cell types respond to IL-33 by modulating their differentiation and influencing the polarizing signals they provide to T cells at the time of antigen presentation. Moreover, the prominent expression of the IL-33 receptor, ST2, on GATA3+ T helper 2 cells (TH2) demonstrated that IL-33 could have a direct impact on T cells. Recent observations reveal that T-bet+ TH1 cells and Foxp3+ regulatory T (TREG) cells can also express the ST2 receptor, either transiently or permanently. As such, IL-33 can have a direct effect on the dynamics of T cell populations. As IL-33 release was shown to play both an inflammatory and a suppressive role, understanding the complex effect of this cytokine on T cell homeostasis is paramount. In this review, we will focus on the factors that modulate ST2 expression on T cells, the effect of IL-33 on helper T cell responses and the role of IL-33 on TREG cell function.
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Affiliation(s)
- Fernando Alvarez
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada.,Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, The Research Institute of the McGill University Health Center, Montréal, QC, Canada.,Centre of Excellence in Translational Immunology, Montréal, QC, Canada
| | - Jörg H Fritz
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada.,Centre of Excellence in Translational Immunology, Montréal, QC, Canada.,McGill University Research Center on Complex Traits, McGill University, Montréal, QC, Canada
| | - Ciriaco A Piccirillo
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada.,Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, The Research Institute of the McGill University Health Center, Montréal, QC, Canada.,Centre of Excellence in Translational Immunology, Montréal, QC, Canada.,McGill University Research Center on Complex Traits, McGill University, Montréal, QC, Canada
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31
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Zhan Y, Wang L, Liu G, Zhang X, Yang J, Pan Y, Luo J. The Reparative Effects of Human Adipose-Derived Mesenchymal Stem Cells in the Chemotherapy-Damaged Thymus. Stem Cells Dev 2019; 28:186-195. [PMID: 30511904 DOI: 10.1089/scd.2018.0142] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Ying Zhan
- Department of Hematology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Lihua Wang
- Department of Hematology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Guangyang Liu
- Department of Research and Development, Stem Cell Biology and Regenerative Medicine Institution, Yi-Chuang Institute of Bio-Industry, Beijing, China
| | - Xiaohui Zhang
- Department of Hematology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jingci Yang
- Department of Hematology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yuxia Pan
- Department of Hematology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jianmin Luo
- Department of Hematology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
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32
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Regulatory T cells were recruited by CCL3 to promote cryo-injured muscle repair. Immunol Lett 2018; 204:29-37. [DOI: 10.1016/j.imlet.2018.10.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 09/08/2018] [Accepted: 10/08/2018] [Indexed: 02/07/2023]
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33
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Zhu G, Nemoto S, Mailloux AW, Perez-Villarroel P, Nakagawa R, Falahat R, Berglund AE, Mulé JJ. Induction of Tertiary Lymphoid Structures With Antitumor Function by a Lymph Node-Derived Stromal Cell Line. Front Immunol 2018; 9:1609. [PMID: 30061886 PMCID: PMC6054958 DOI: 10.3389/fimmu.2018.01609] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023] Open
Abstract
Tertiary lymphoid structures (TLSs) associate with better prognosis in certain cancer types, but their underlying formation and immunological benefit remain to be determined. We established a mouse model of TLSs to study their contribution to antitumor immunity. Because the stroma in lymph nodes (sLN) participates in architectural support, lymphogenesis, and lymphocyte recruitment, we hypothesized that TLSs can be created by sLN. We selected a sLN line with fibroblast morphology that expressed sLN surface markers and lymphoid chemokines. The subcutaneous injection of the sLN line successfully induced TLSs that attracted infiltration of host immune cell subsets. Injection of MC38 tumor lysate-pulsed dendritic cells activated TLS-residing lymphocytes to demonstrate specific cytotoxicity. The presence of TLSs suppressed MC38 tumor growth in vivo by improving antitumor activity of tumor-infiltrating lymphocytes with downregulated immune checkpoint proteins (PD-1 and Tim-3). Future engineering of sLN lines may allow for further enhancements of TLS functions and immune cell compositions.
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Affiliation(s)
- Genyuan Zhu
- Immunology Program, Moffitt Cancer Center, Tampa, FL, United States
| | - Satoshi Nemoto
- Immunology Program, Moffitt Cancer Center, Tampa, FL, United States
| | - Adam W Mailloux
- Immunology Program, Moffitt Cancer Center, Tampa, FL, United States
| | | | - Ryosuke Nakagawa
- Immunology Program, Moffitt Cancer Center, Tampa, FL, United States
| | - Rana Falahat
- Immunology Program, Moffitt Cancer Center, Tampa, FL, United States
| | - Anders E Berglund
- Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, FL, United States
| | - James J Mulé
- Immunology Program, Moffitt Cancer Center, Tampa, FL, United States.,Cutaneous Oncology Program, Moffitt Cancer Center, Tampa, FL, United States
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34
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Kuijieling regulates the differentiation of Treg and Th17 cells to ameliorate experimental colitis in rats. Biomed Pharmacother 2018; 105:781-788. [PMID: 29909346 DOI: 10.1016/j.biopha.2018.06.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 06/01/2018] [Accepted: 06/02/2018] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Regulatory T (Treg) cells and T helper 17 (Th17) cells play crucial roles in ulcerative colitis (UC). Kuijieling (KJL) is an effective Chinese medicine formula for treating UC in clinic. Kuijieling has shown remedy effect on the imbalance between Treg and Th17 cells. This study aimed to further reveal the exact underlying mechanism of how Kuijieling regulates the differentiation of Treg and Th17 cells in the treatment of UC. METHODS Colitis was induced by trinitrobenzene sulfonic acid in rats and treated by KJL. Pathological injury was evaluated by HE staining and pathological score. Transforming growth factor-β1 (TGF-β1), interleukin(IL)-2, IL-6, IL-10, IL-17, IL-23 and IL-21 in plasma were assayed by ELISA. Forkhead box P3 (Foxp3), signal transducer and activator of transcription (STAT) 5 expressed in colon mucosa were measured by western blot. Immunohistochemistry was employed for quantifying retinoic acid-related orphan receptor γt (RORγt) and STAT3 in colon. RT-PCR was used to analyze the expression of IL-2, IL-17, IL-23, IL-21 mRNA in colon. RESULTS After the administration of KJL, pathological injury in colon mucosa was reduced and histological score was decreased, transforming growth factor-β1 (TGF-β1), interleukin(IL)-2, IL-10 in blood and Foxp3, STAT5, IL-2 in colon increased significantly, IL-6, IL-23, IL-17, IL-21 in blood and RORγt, STAT3, IL-23, IL-17, IL-21 in colon decreased. Our result showed that KJL regulates the related cytokines and transcription factors to promote Treg cells and suppress Th17 cells. CONCLUSION KJL restores the balance between Treg and Th17 cells through regulating the differentiation of them, therefore contributes to the treatment of UC.
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35
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Li T, Gu M, Liu P, Liu Y, Guo J, Zhang W, Qian C, Deng A. Clinical Significance of Decreased Interleukin-35 Expression in Patients with Psoriasis. Microbiol Immunol 2018; 62:454-461. [PMID: 29802736 DOI: 10.1111/1348-0421.12605] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 03/15/2018] [Accepted: 05/21/2018] [Indexed: 12/28/2022]
Abstract
In psoriasis, a chronic, recurrent, inflammatory skin disease, CD4+T cells and their related cytokines play an important role in its pathogenesis. The role of interleukin (IL)-35, an immunosuppressive cytokine involved in many autoimmune diseases, is unclear in the pathogenesis of psoriasis. This study evaluated IL-35 expression and clinical significance in psoriasis. Protein and mRNA levels of specified markers were measured by enzyme-linked immunosorbent assay (ELISA) and real-time quantitative polymerase chain reaction (qRT-PCR), respectively. Results showed that plasma IL-35 concentrations were lower in patients with psoriasis than in healthy individuals (Z = -6.525, P < .0001). Ebi3 and p35 showed lower mRNA levels in peripheral blood mononuclear cells from patients with psoriasis than in healthy individuals (Z = -5.078, P < .0001, Z = -2.609, P = .009, respectively). The areas under the receiver-operating characteristic (ROC) curves of IL-35, Ebi3, and p35 for patients with psoriasis versus the control were 0.86, 0.78, and 0.64, respectively. Pearson correlation analysis showed that plasma IL-35 expression negatively correlated with interferon-gamma, tumor necrosis factor-alpha, levels of IL-23, -17, and -22, or the Psoriasis Activity and Severity Index and positively correlated with levels of transforming growth factor beta and IL-10 levels in patients with psoriasis. Summarily, IL-35 might mediate psoriasis pathogenesis by influencing the expression of Th1/Th17/Treg -related cytokines and might be a putative target in monitoring or treating psoriasis.
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Affiliation(s)
- Tengda Li
- Center of Clinical Experiments, Changhai Hospital, Second Military Medical University, Shanghai 200433, China
| | - Mingli Gu
- Department of Laboratory Diagnosis, Changhai Hospital, Second Military Medical University, Shanghai 200433, China
| | - Peng Liu
- Center of Clinical Experiments, Changhai Hospital, Second Military Medical University, Shanghai 200433, China
| | - Yun Liu
- Department of Laboratory Diagnosis, Changhai Hospital, Second Military Medical University, Shanghai 200433, China
| | - Jie Guo
- Department of Laboratory Diagnosis, Changhai Hospital, Second Military Medical University, Shanghai 200433, China
| | - Weiwei Zhang
- Department of Laboratory Diagnosis, Changhai Hospital, Second Military Medical University, Shanghai 200433, China
| | - Cheng Qian
- The 100th Hospital of PLA, Suzhou 215007, China
| | - Anmei Deng
- Center of Clinical Experiments, Changhai Hospital, Second Military Medical University, Shanghai 200433, China
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36
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Meta-Analysis of the Changes of Peripheral Blood T Cell Subsets in Patients with Brucellosis. J Immunol Res 2018; 2018:8439813. [PMID: 29888294 PMCID: PMC5985067 DOI: 10.1155/2018/8439813] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 04/24/2018] [Indexed: 01/18/2023] Open
Abstract
Brucellosis is one of the most prevalent zoonotic diseases in the world, but its pathogenesis is not very clear. At present, it is thought that it may be related to the immunity of T cells. The conclusions of related studies are inconsistent, and its clinical significance is not explicit. We searched published articles in electronic databases up to December 2017 identified as relating to the clinical features of human brucellosis in China. Only eight studies had sufficient quality for data extraction. Meta-analysis showed a significantly decreased proportion of CD4+ T cells in human brucellosis patients compared to healthy subject individuals. The frequency of CD8+ T cells was significantly higher in human brucellosis patients than that in the healthy control group. The pooled analysis presented a significant decrease of the CD4+/CD8+ ratio in human brucellosis patients compared to healthy subjects. There is immunologic dysfunction of T lymphocyte in patients with human brucellosis, the CD4+ and CD8+ T cells might be the important factors affecting the progress of brucellosis.
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37
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Iyer AK, Jones KJ, Sanders VM, Walker CL. Temporospatial Analysis and New Players in the Immunology of Amyotrophic Lateral Sclerosis. Int J Mol Sci 2018; 19:ijms19020631. [PMID: 29473876 PMCID: PMC5855853 DOI: 10.3390/ijms19020631] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 02/18/2018] [Accepted: 02/21/2018] [Indexed: 02/07/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder characterized by progressive loss of lower and upper motor neurons (MN) leading to muscle weakness, paralysis and eventually death. Although a highly varied etiology results in ALS, it broadly manifests itself as sporadic and familial forms that have evident similarities in clinical symptoms and disease progression. There is a tremendous amount of knowledge on molecular mechanisms leading to loss of MNs and neuromuscular junctions (NMJ) as major determinants of disease onset, severity and progression in ALS. Specifically, two main opposing hypotheses, the dying forward and dying back phenomena, exist to account for NMJ denervation. The former hypothesis proposes that the earliest degeneration occurs at the central MNs and proceeds to the NMJ, whereas in the latter, the peripheral NMJ is the site of precipitating degeneration progressing backwards to the MN cell body. A large body of literature strongly indicates a role for the immune system in disease onset and progression via regulatory involvement at the level of both the central and peripheral nervous systems (CNS and PNS). In this review, we discuss the earliest reported immune responses with an emphasis on newly identified immune players in mutant superoxide dismutase 1 (mSOD1) transgenic mice, the gold standard mouse model for ALS.
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Affiliation(s)
- Abhirami K Iyer
- Anatomy and Cell Biology Department, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
- Richard L. Roudebush Veterans Affairs Medical Center, Indianapolis, IN 46202, USA.
| | - Kathryn J Jones
- Anatomy and Cell Biology Department, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
- Richard L. Roudebush Veterans Affairs Medical Center, Indianapolis, IN 46202, USA.
| | - Virginia M Sanders
- Department of Cancer Biology and Genetics, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA.
| | - Chandler L Walker
- Anatomy and Cell Biology Department, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
- Richard L. Roudebush Veterans Affairs Medical Center, Indianapolis, IN 46202, USA.
- Department of Biomedical and Applied Sciences, Indiana University School of Dentistry, Indianapolis, IN 46202, USA.
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38
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c-Jun N-terminal kinase 1 defective CD4+CD25+FoxP3+ cells prolong islet allograft survival in diabetic mice. Sci Rep 2018; 8:3310. [PMID: 29459675 PMCID: PMC5818514 DOI: 10.1038/s41598-018-21477-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 02/05/2018] [Indexed: 02/06/2023] Open
Abstract
CD4+CD25+FoxP3+ cells (Tregs) inhibit inflammatory immune responses to allografts. Here, we found that co-transplantation of allogeneic pancreatic islets with Tregs that are defective in c-Jun N-terminal kinase 1 (JNK1) signaling prolongs islet allograft survival in the liver parenchyma of chemically induced diabetic mice (CDM). Adoptively transferred JNK1−/− but not wild-type (WT) Tregs survive longer in the liver parenchyma of CDM. JNK1−/− Tregs are resistant to apoptosis and express anti-apoptotic molecules. JNK1−/− Tregs express higher levels of lymphocyte activation gene-3 molecule (LAG-3) on their surface and produce higher amounts of the anti-inflammatory cytokine interleukin (IL)-10 compared with WT Tregs. JNK1−/− Tregs inhibit liver alloimmune responses more efficiently than WT Tregs. JNK1−/− but not WT Tregs are able to inhibit IL-17 and IL-21 production through enhanced LAG-3 expression and IL-10 production. Our study identifies a novel role of JNK1 signaling in Tregs that enhances islet allograft survival in the liver parenchyma of CDM.
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39
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Le Page A, Garneau H, Dupuis G, Frost EH, Larbi A, Witkowski JM, Pawelec G, Fülöp T. Differential Phenotypes of Myeloid-Derived Suppressor and T Regulatory Cells and Cytokine Levels in Amnestic Mild Cognitive Impairment Subjects Compared to Mild Alzheimer Diseased Patients. Front Immunol 2017; 8:783. [PMID: 28736551 PMCID: PMC5500623 DOI: 10.3389/fimmu.2017.00783] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 06/21/2017] [Indexed: 12/26/2022] Open
Abstract
Alzheimer disease (AD) is the most prevalent form of dementia although the underlying cause(s) remains unknown at this time. However, neuroinflammation is believed to play an important role and suspected contributing immune parameters can be revealed in studies comparing patients at the stage of amnestic mild cognitive impairment (aMCI) to healthy age-matched individuals. A network of immune regulatory cells including regulatory T cells (Tregs) and myeloid-derived suppressor cells (MDSCs) maintains immune homeostasis but there are very few data on the role of these cells in AD. Here, we investigated the presence of these cells in the blood of subjects with aMCI and mild AD (mAD) in comparison with healthy age-matched controls. We also quantitated several pro- and anti-inflammatory cytokines in sera which can influence the development and activation of these cells. We found significantly higher levels of MDSCs and Tregs in aMCI but not in mAD patients, as well as higher serum IL-1β levels. Stratifying the subjects based on CMV serostatus that is known to influence multiple immune parameters showed an absence of differences between aMCI subjects compared to mAD patients and healthy controls. We suggest that the increase in MDSCs and Tregs number in aMCI subjects may have a beneficial role in modulating inflammatory processes. However, this protective mechanism may have failed in mAD patients, allowing progression of the disease. This working hypothesis obviously requires testing in future studies.
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Affiliation(s)
- Aurélie Le Page
- Faculty of Medicine and Health Sciences, Research Center on Aging, Graduate Program in Immunology, University of Sherbrooke, Sherbrooke, QC, Canada
| | - Hugo Garneau
- Faculty of Medicine and Health Sciences, Research Center on Aging, Graduate Program in Immunology, University of Sherbrooke, Sherbrooke, QC, Canada
| | - Gilles Dupuis
- Faculty of Medicine and Health Sciences, Department of Biochemistry, Graduate Program in Immunology, University of Sherbrooke, Sherbrooke, QC, Canada
| | - Eric H Frost
- Faculty of Medicine and Health Sciences, Department of Infectious Diseases and Microbiology, Graduate Program in Immunology, University of Sherbrooke, Sherbrooke, QC, Canada
| | - Anis Larbi
- ASTAR, Singapore Immunology Network, Singapore, Singapore
| | - Jacek M Witkowski
- Department of Pathophysiology, Medical University of Gdańsk, Gdańsk, Poland
| | - Graham Pawelec
- Department of Internal Medicine II, Center for Medical Research University of Tübingen, Tübingen, Germany.,Health Sciences North Research Institute, Sudbury, ON, Canada
| | - Tamàs Fülöp
- Faculty of Medicine and Health Sciences, Research Center on Aging, Graduate Program in Immunology, University of Sherbrooke, Sherbrooke, QC, Canada
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40
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Sommer W, Buechler G, Jansson K, Avsar M, Knöfel AK, Salman J, Hoeffler K, Siemeni T, Gottlieb J, Karstens JH, Jonigk D, Reising A, Haverich A, Strüber M, Warnecke G. Irradiation before and donor splenocyte infusion immediately after transplantation induce tolerance to lung, but not heart allografts in miniature swine. Transpl Int 2017; 30:420-431. [DOI: 10.1111/tri.12916] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 10/07/2016] [Accepted: 01/09/2017] [Indexed: 12/25/2022]
Affiliation(s)
- Wiebke Sommer
- Department of Cardiac-, Thoracic-, Transplantation- and Vascular Surgery; Hannover Medical School; Hannover Germany
- German Centre for Lung Research; Hannover Medical School; Hannover Germany
| | - Gwen Buechler
- Department of Cardiac-, Thoracic-, Transplantation- and Vascular Surgery; Hannover Medical School; Hannover Germany
- German Centre for Lung Research; Hannover Medical School; Hannover Germany
| | - Katharina Jansson
- Department of Cardiac-, Thoracic-, Transplantation- and Vascular Surgery; Hannover Medical School; Hannover Germany
- German Centre for Lung Research; Hannover Medical School; Hannover Germany
| | - Murat Avsar
- Department of Cardiac-, Thoracic-, Transplantation- and Vascular Surgery; Hannover Medical School; Hannover Germany
| | - Ann-Kathrin Knöfel
- Department of Cardiac-, Thoracic-, Transplantation- and Vascular Surgery; Hannover Medical School; Hannover Germany
| | - Jawad Salman
- Department of Cardiac-, Thoracic-, Transplantation- and Vascular Surgery; Hannover Medical School; Hannover Germany
| | - Klaus Hoeffler
- Department of Cardiac-, Thoracic-, Transplantation- and Vascular Surgery; Hannover Medical School; Hannover Germany
| | - Thierry Siemeni
- Department of Cardiac-, Thoracic-, Transplantation- and Vascular Surgery; Hannover Medical School; Hannover Germany
| | - Jens Gottlieb
- German Centre for Lung Research; Hannover Medical School; Hannover Germany
- Department of Respiratory Medicine; Hannover Medical School; Hannover Germany
| | - Johann H. Karstens
- Department of Nuclear Medicine and Radiation Oncology; Hannover Medical School; Hannover Germany
| | - Danny Jonigk
- German Centre for Lung Research; Hannover Medical School; Hannover Germany
- Institute for Pathology; Hannover Medical School; Hannover Germany
| | - Ansgar Reising
- Department of Nephrology; Hannover Medical School; Hannover Germany
| | - Axel Haverich
- Department of Cardiac-, Thoracic-, Transplantation- and Vascular Surgery; Hannover Medical School; Hannover Germany
- German Centre for Lung Research; Hannover Medical School; Hannover Germany
| | - Martin Strüber
- Richard DeVos Heart & Lung Transplant Program; Frederik Meijer Heart & Vascular Institute; Grand Rapids MI USA
| | - Gregor Warnecke
- Department of Cardiac-, Thoracic-, Transplantation- and Vascular Surgery; Hannover Medical School; Hannover Germany
- German Centre for Lung Research; Hannover Medical School; Hannover Germany
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41
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Boratyńska M, Patrzałek D. Transplantology: Challenges for Today. Arch Immunol Ther Exp (Warsz) 2017; 64:37-45. [PMID: 28083612 PMCID: PMC5334381 DOI: 10.1007/s00005-016-0439-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Accepted: 10/20/2016] [Indexed: 02/06/2023]
Abstract
Clinical transplantology in Poland had its 50th anniversary this year. With the early and long results comparable to the best achieved in the world leading centers, we face old and completely new challenges for this medical speciality. Main and growing challenge is insufficient number of available organs. With less than 15 donors/mln population/year Poland stay in the lower row of European countries in this measurement of transplant activity. Donation system is not efficient enough and we lose a big number of potential donors still. Living donation (with the exception for the fragments of the liver) remains low despite of different initiatives made so far on the national and local levels. Donation after cardiac death is possible from the point of Polish juridical regulations, but since last 3 years had not showed real impact on country donation rates (only three procedures done). Methods of tissue typing remain slow and cause relatively long times of cold ischemia for kidney programs. Second main challenge is chronic rejection causing loss of organs in the long-term follow-up and no efficient treatment employed. The emerging possibility of tolerance induction despite of plenty of new protocols proposition in the publications does not show up a clinical everyday practice in work. The same is with xenotransplantation promises; even we were informed recently that till 2030 such genetically modified porcine organs will be available. The next challenge is production of organs and tissues from own recipients cells installed on the different scaffolds or 3D printed. Other challenge is the personnel working in this field. We observe like in the other European countries lack of new candidates for work in this field together with serious problems of nursing staff, being a catastrophic perspective in country medical service in general, not only in transplant centers. The last but not least challenge is financial side of transplant programs.
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Affiliation(s)
- Maria Boratyńska
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Wrocław, Poland
| | - Dariusz Patrzałek
- Department of Clinical Basics of Physiotherapy, Faculty of Health Science, Wroclaw Medical University, Wrocław, Poland.
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42
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Zongyi Y, Dongying C, Baifeng L. Global Regulatory T-Cell Research from 2000 to 2015: A Bibliometric Analysis. PLoS One 2016; 11:e0162099. [PMID: 27611317 PMCID: PMC5017768 DOI: 10.1371/journal.pone.0162099] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 08/17/2016] [Indexed: 12/18/2022] Open
Abstract
We aimed to analyze the global scientific output of regulatory T-cell (Treg) research and built a model to qualitatively and quantitatively evaluate publications from 2000 to 2015. Data were obtained from the Web of Science Core Collection (WoSCC) of Thomson Reuters on January 1, 2016. The bibliometric method and Citespace III were used to analyze authors, journals, publication outputs, institutions, countries, research areas, research hotspots, and trends. In total, we identified 35,741 publications on Treg research from 2000 to 2015, and observed that the annual publication rate increased with time. The Journal of Immunology published the highest number of articles, the leading country was the USA, and the leading institute was Harvard University. Sakaguchi, Hori, Fontenot, and Wang were the top authors in Treg research. Immunology accounted for the highest number of publications, followed by oncology, experimental medicine, cell biology, and hematology. Keyword analysis indicated that autoimmunity, inflammation, cytokine, gene expression, foxp3, and immunotherapy were the research hotspots, whereas autoimmune inflammation, gene therapy, granzyme B, RORγt, and th17 were the frontiers of Treg research. This bibliometric analysis revealed that Treg-related studies are still research hotspots, and that Treg-related clinical therapies are the research frontiers; however, further study and collaborations are needed worldwide. Overall, our findings provide valuable information for the editors of immunology journals to identify new perspectives and shape future research directions.
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Affiliation(s)
- Yin Zongyi
- Department of Hepatobiliary Surgery and Organ Transplantation, The First Hospital of China Medical University, Shenyang, China
| | - Chen Dongying
- Department of Anesthesiology, The First Hospital of China Medical University, Shenyang, China
| | - Li Baifeng
- Department of Hepatobiliary Surgery and Organ Transplantation, The First Hospital of China Medical University, Shenyang, China
- * E-mail:
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Selective expansion of regulatory T cells during lenalidomide treatment of myelodysplastic syndrome with isolated deletion 5q. Ann Hematol 2016; 95:1805-10. [DOI: 10.1007/s00277-016-2775-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 07/29/2016] [Indexed: 12/18/2022]
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Perdigoto AL, Chatenoud L, Bluestone JA, Herold KC. Inducing and Administering Tregs to Treat Human Disease. Front Immunol 2016; 6:654. [PMID: 26834735 PMCID: PMC4722090 DOI: 10.3389/fimmu.2015.00654] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 12/21/2015] [Indexed: 12/17/2022] Open
Abstract
Regulatory T cells (Tregs) control unwanted immune responses, including those that mediate tolerance to self as well as to foreign antigens. Their mechanisms of action include direct and indirect effects on effector T cells and important functions in tissue repair and homeostasis. Tregs express a number of cell surface markers and transcriptional factors that have been instrumental in defining their origins and potentially their function. A number of immune therapies, such as rapamycin, IL-2, and anti-T cell antibodies, are able to induce Tregs and are being tested for their efficacy in diverse clinical settings with exciting preliminary results. However, a balance exists with the use of some, such as IL-2, that may have effects on unwanted populations as well as promoting expansion and survival of Tregs requiring careful selection of dose for clinical use. The use of cell surface markers has enabled investigators to isolate and expand ex vivo Tregs more than 500-fold routinely. Clinical trials have begun, administering these expanded Tregs to patients as a means of suppressing autoimmune and alloimmune responses and potentially inducing immune tolerance. Studies in the future are likely to build on these initial technical achievements and use combinations of agents to improve the survival and functional capacity of Tregs.
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Affiliation(s)
- Ana Luisa Perdigoto
- Department of Immunobiology, Yale University, New Haven, CT, USA; Department of Internal Medicine, Yale University, New Haven, CT, USA
| | - Lucienne Chatenoud
- Université Paris Descartes, Sorbonne Paris Cité, F-75475, Paris, France; INSERM U1151, CNRS UMR 8253, Hôpital Necker-Enfants Malades, Paris, France
| | - Jeffrey A Bluestone
- Diabetes Center, University of California San Francisco , San Francisco, CA , USA
| | - Kevan C Herold
- Department of Immunobiology, Yale University, New Haven, CT, USA; Department of Internal Medicine, Yale University, New Haven, CT, USA
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An G. Introduction of a Framework for Dynamic Knowledge Representation of the Control Structure of Transplant Immunology: Employing the Power of Abstraction with a Solid Organ Transplant Agent-Based Model. Front Immunol 2015; 6:561. [PMID: 26594211 PMCID: PMC4635853 DOI: 10.3389/fimmu.2015.00561] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 10/19/2015] [Indexed: 12/22/2022] Open
Abstract
Agent-based modeling has been used to characterize the nested control loops and non-linear dynamics associated with inflammatory and immune responses, particularly as a means of visualizing putative mechanistic hypotheses. This process is termed dynamic knowledge representation and serves a critical role in facilitating the ability to test and potentially falsify hypotheses in the current data- and hypothesis-rich biomedical research environment. Importantly, dynamic computational modeling aids in identifying useful abstractions, a fundamental scientific principle that pervades the physical sciences. Recognizing the critical scientific role of abstraction provides an intellectual and methodological counterweight to the tendency in biology to emphasize comprehensive description as the primary manifestation of biological knowledge. Transplant immunology represents yet another example of the challenge of identifying sufficient understanding of the inflammatory/immune response in order to develop and refine clinically effective interventions. Advances in immunosuppressive therapies have greatly improved solid organ transplant (SOT) outcomes, most notably by reducing and treating acute rejection. The end goal of these transplant immune strategies is to facilitate effective control of the balance between regulatory T cells and the effector/cytotoxic T-cell populations in order to generate, and ideally maintain, a tolerant phenotype. Characterizing the dynamics of immune cell populations and the interactive feedback loops that lead to graft rejection or tolerance is extremely challenging, but is necessary if rational modulation to induce transplant tolerance is to be accomplished. Herein is presented the solid organ agent-based model (SOTABM) as an initial example of an agent-based model (ABM) that abstractly reproduces the cellular and molecular components of the immune response to SOT. Despite its abstract nature, the SOTABM is able to qualitatively reproduce acute rejection and the suppression of acute rejection by immunosuppression to generate transplant tolerance. The SOTABM is intended as an initial example of how ABMs can be used to dynamically represent mechanistic knowledge concerning transplant immunology in a scalable and expandable form and can thus potentially serve as useful adjuncts to the investigation and development of control strategies to induce transplant tolerance.
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Affiliation(s)
- Gary An
- Department of Surgery, University of Chicago , Chicago, IL , USA
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