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Shomali N, Baradaran B, Daei Sorkhabi A, Sarkesh A, Kahrizi MS, Tosan F, Mahmoodpoor A, Mardi A, Mohammadi H, Hassanzadeh A, Saeedi H, Hajialilo M, Hemmatzadeh M, Marofi F, Sandoghchian Shotorbani S. Survivin; a novel therapeutic target that correlates with survival of autoreactive T lymphocytes obtained from patients with ankylosing spondylitis. Gene 2022; 844:146829. [PMID: 35995118 DOI: 10.1016/j.gene.2022.146829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/04/2022] [Accepted: 08/16/2022] [Indexed: 12/30/2022]
Abstract
Ankylosing spondylitis (AS) is progressive immune-mediated arthritis. Persistent autoreactivity of T cells with an up-regulated Survivin expression is strongly implicated in AS immunopathogenesis. Besides, Survivin can inhibit proapoptotic caspase 9 activations. Moreover, microRNAs are small non-coding RNAs that are dysregulated in various diseases, in which their altered expression could modulate Survivin expression. The primary goal of this study was to assess the role of Survivin and its-targeting microRNAs in the immunopathogenesis of AS disease. For this aim, peripheral blood mononuclear cells (PBMCs) were isolated from 15 patients with AS and healthy matched controls using Ficoll-Hypaque. T cells were obtained using the magnetic-activated cell sorting (MACS) method. After that, the expression levels of Survivin, Caspase 9, and specific miRNAs were determined using qT-qPCR. Also, the expression of Survivin and Caspase 9 at protein levels was determined by western blotting. Then, the isolated T cells were co-cultured with interleukin (IL)-2 and muromonab-CD3 (OKT-3) for active-induced cell death (AICD) induction, Survivin siRNA for inhibition of Survivin expression, and their combination to assess the implication of Survivin expression in autoreactive T lymphocytes' resistance to apoptosis by determining the rate of apoptosis by Flowcytometry assay. The results showed that Survivin was up-regulated while Caspase 9 was downregulated in patients with AS. It was also revealed that microRNAs that directly or indirectly target the Survivin mRNA were dysregulated in patients with AS. It was also revealed that T cells obtained from AS patients were more resistant to apoptosis induction than those obtained from healthy people. In summary, the results obtained from this study showed that dysregulation of Survivin and Survivin-targeting miRNAs in T lymphocytes obtained from AS patients contribute to their resistance to apoptosis, suggesting the future development of targeted therapies for AS.
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Affiliation(s)
- Navid Shomali
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amin Daei Sorkhabi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Aila Sarkesh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Foad Tosan
- Student Research Committee, Semnan University of Medical Sciences, Semnan, Iran
| | - Ata Mahmoodpoor
- Department of Anesthesiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirhossein Mardi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Mohammadi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran; Department of Immunology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Ali Hassanzadeh
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Saeedi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehrzad Hajialilo
- Connective Tissue Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Hemmatzadeh
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Faroogh Marofi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Siamak Sandoghchian Shotorbani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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2
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Huldani H, Margiana R, Ahmad F, Opulencia MJC, Ansari MJ, Bokov DO, Abdullaeva NN, Siahmansouri H. Immunotherapy of inflammatory bowel disease (IBD) through mesenchymal stem cells. Int Immunopharmacol 2022; 107:108698. [DOI: 10.1016/j.intimp.2022.108698] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/02/2022] [Accepted: 03/10/2022] [Indexed: 02/07/2023]
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3
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Shomali N, Suliman Maashi M, Baradaran B, Daei Sorkhabi A, Sarkesh A, Mohammadi H, Hemmatzadeh M, Marofi F, Sandoghchian Shotorbani S, Jarahian M. Dysregulation of Survivin-Targeting microRNAs in Autoimmune Diseases: New Perspectives for Novel Therapies. Front Immunol 2022; 13:839945. [PMID: 35309327 PMCID: PMC8927965 DOI: 10.3389/fimmu.2022.839945] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/14/2022] [Indexed: 12/15/2022] Open
Abstract
It has been well established that the etiopathogenesis of diverse autoimmune diseases is rooted in the autoreactive immune cells' excessively proliferative state and impaired apoptotic machinery. Survivin is an anti-apoptotic and mitotic factor that has sparked a considerable research interest in this field. Survivin overexpression has been shown to contribute significantly to the development of autoimmune diseases via autoreactive immune cell overproliferation and apoptotic dysregulation. Several microRNAs (miRNAs/miRs) have been discovered to be involved in survivin regulation, rendering the survivin-miRNA axis a perspective target for autoimmune disease therapy. In this review, we discuss the role of survivin as an immune regulator and a highly implicated protein in the pathogenesis of autoimmune diseases, the significance of survivin-targeting miRNAs in autoimmunity, and the feasibility of targeting the survivin-miRNA axis as a promising therapeutic option for autoimmune diseases.
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Affiliation(s)
- Navid Shomali
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Marwah Suliman Maashi
- Medical Laboratory Technology Department, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amin Daei Sorkhabi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Aila Sarkesh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Mohammadi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
- Department of Immunology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Maryam Hemmatzadeh
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Faroogh Marofi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Siamak Sandoghchian Shotorbani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mostafa Jarahian
- German Cancer Research Center, Toxicology and Chemotherapy Unit (G401), Heidelberg, Germany
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4
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Gao W, Zhang T, Wu H. Emerging Pathological Engagement of Ferroptosis in Gut Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:4246255. [PMID: 34733403 PMCID: PMC8560274 DOI: 10.1155/2021/4246255] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 10/06/2021] [Indexed: 02/08/2023]
Abstract
Inflammatory bowel disease (IBD), including ulcerative colitis and Crohn's disease, is mainly characterized by chronic and progressive inflammation that damages the gastrointestinal mucosa. Increasing studies have enlightened that dysregulated cell death occurs in the inflamed sites, leading to the disruption of the intestinal barrier and aggravating inflammatory response. Ferroptosis, a newly characterized form of regulated cell death, is driven by the lethal accumulation of lipid peroxides catalyzed by cellular free iron. It has been widely documented that the fundamental features of ferroptosis, including iron deposition, GSH exhaustion, GPX4 inactivation, and lipid peroxidation, are manifested in the injured gastrointestinal tract in IBD patients. Furthermore, manipulation of the critical ferroptotic genes could alter the progression, severity, or even morbidity of the experimental colitis. Herein, we critically summarize the recent advances in the field of ferroptosis, focusing on interpreting the potential engagement of ferroptosis in the pathogenesis of IBD. Moreover, we are attempting to shed light on a perspective insight into the possibility of targeting ferroptosis as novel therapeutic designs for the clinical intervention of these gastrointestinal diseases.
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Affiliation(s)
- Weihua Gao
- Hubei Hongshan Laboratory, Wuhan, Hubei 430070, China
- State Key Laboratory of Agricultural Microbiology, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Interdisciplinary Sciences Institute, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Ting Zhang
- Hubei Hongshan Laboratory, Wuhan, Hubei 430070, China
- Interdisciplinary Sciences Institute, Huazhong Agricultural University, Wuhan, Hubei 430070, China
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Hao Wu
- Hubei Hongshan Laboratory, Wuhan, Hubei 430070, China
- Interdisciplinary Sciences Institute, Huazhong Agricultural University, Wuhan, Hubei 430070, China
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
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Xu H, Yu J, Cui J, Chen Z, Zhang X, Zou Y, Du Y, Li Y, Le S, Jiang L, Xia J, Wu J. Ablation of Survivin in T Cells Attenuates Acute Allograft Rejection after Murine Heterotopic Heart Transplantation by Inducing Apoptosis. Front Immunol 2021; 12:710904. [PMID: 34421916 PMCID: PMC8377163 DOI: 10.3389/fimmu.2021.710904] [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: 05/17/2021] [Accepted: 07/23/2021] [Indexed: 12/31/2022] Open
Abstract
Although studies in oncology have well explored the pharmacological effects of Birc5, little is known about its role in allogeneic T-cell responses. Therefore, the present study used a mouse model of acute heart allograft rejection to investigate the protective effect and mechanism of conditional knockout of Birc5 in T cells. Survivin (encoded by Birc5) was up-regulated in T cells activated in vivo and in vitro. Deletion of Birc5 in T cells attenuated acute heart allograft rejection by reducing the ratio of effector to naive T cells and Th1 to Tregs. In addition, deletion of Birc5 had no noticeable effect on proliferation but on apoptosis and the secretion of IFN-γ. The results revealed a significant increase in the percentage of Annexin V positive CD4+ T cells in the Birc5-/- group, compared to the WT. Moreover, there was significant increase in early apoptotic alloreactive T cells in Birc5-/- mice and this was partly mediated by caspase-3. Furthermore, treatment with YM155 inhibited acute heart allograft rejection in vivo and increased T-cell apoptosis in healthy human PBMCs in vitro. The results highlight a potential therapeutic target for the prevention and treatment of acute transplant rejection.
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Affiliation(s)
- Heng Xu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jizhang Yu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jikai Cui
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhang Chen
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xi Zhang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanqiang Zou
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yifan Du
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuan Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sheng Le
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lang Jiang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiahong Xia
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Wu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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6
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Bureš J, Kohoutová D, Květina J, Radochová V, Pavlík M, Tichý A, Rejchrt S, Kopáčová M, Douda T, Vysloužil D, Pejchal J. The Effect of Lactobacillus casei on Experimental Porcine Inflammatory Bowel Disease Induced by Dextran Sodium Sulphate. ACTA MEDICA (HRADEC KRÁLOVÉ) 2021; 64:85-90. [PMID: 34331427 DOI: 10.14712/18059694.2021.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Gastrointestinal injury caused by dextran sodium sulphate (DSS) is a reliable porcine experimental model of inflammatory bowel disease (IBD). The purpose of this study was to evaluate the effect of probiotic Lactobacillus casei DN 114001 (LC) on DSS-induced experimental IBD. RESULTS Eighteen female pigs (Sus scrofa f. domestica, weight 33-36 kg, age 4-5 months) were divided into 3 groups (6 animals per group): controls with no treatment, DSS, and DSS + LC. LC was administered to overnight fasting animals in a dietary bolus in the morning on days 1-7 (4.5 × 1010 live bacteria/day). DSS was applied simultaneously on days 3-7 (0.25 g/kg/day). On day 8, the pigs were sacrificed. Histopathological score and length of crypts/glands (stomach, jejunum, ileum, transverse colon), length and width of villi (jejunum, ileum), and mitotic and apoptotic indices (jejunum, ileum, transverse colon) were assessed. DSS increased the length of glands in the stomach, length of crypts and villi in the jejunum and ileum, and the histopathological score of gastrointestinal damage, length of crypts and mitotic activity in the transverse colon. Other changes did not achieve any statistical significance. Administration of LC reduced the length of villi in the jejunum and ileum to control levels and decreased the length of crypts in the jejunum. CONCLUSIONS Treatment with a probiotic strain of LC significantly accelerated regeneration of the small intestine in a DSS-induced experimental porcine model of IBD.
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Affiliation(s)
- Jan Bureš
- 2nd Department of Internal Medicine - Gastroenterology, Charles University, Faculty of Medicine in Hradec Králové, University Hospital, Hradec Králové, Czech Republic.
| | - Darina Kohoutová
- The Royal Marsden NHS Foundation Trust, London, United Kingdom.,2nd Department of Internal Medicine - Gastroenterology, Charles University, Faculty of Medicine in Hradec Králové, University Hospital, Hradec Králové, Czech Republic
| | - Jaroslav Květina
- 2nd Department of Internal Medicine - Gastroenterology, Charles University, Faculty of Medicine in Hradec Králové, University Hospital, Hradec Králové, Czech Republic
| | - Věra Radochová
- Animal Laboratory, University of Defence, Faculty of Military Health Sciences, Hradec Králové, Czech Republic
| | - Michal Pavlík
- Animal Laboratory, University of Defence, Faculty of Military Health Sciences, Hradec Králové, Czech Republic
| | - Aleš Tichý
- Department of Radiobiology, University of Defence, Faculty of Military Health Sciences, Hradec Králové, Czech Republic
| | - Stanislav Rejchrt
- 2nd Department of Internal Medicine - Gastroenterology, Charles University, Faculty of Medicine in Hradec Králové, University Hospital, Hradec Králové, Czech Republic
| | - Marcela Kopáčová
- 2nd Department of Internal Medicine - Gastroenterology, Charles University, Faculty of Medicine in Hradec Králové, University Hospital, Hradec Králové, Czech Republic
| | - Tomáš Douda
- 2nd Department of Internal Medicine - Gastroenterology, Charles University, Faculty of Medicine in Hradec Králové, University Hospital, Hradec Králové, Czech Republic
| | - David Vysloužil
- Department of Toxicology and Military Pharmacy, University of Defence, Faculty of Military Health Sciences, Hradec Králové, Czech Republic
| | - Jaroslav Pejchal
- Department of Toxicology and Military Pharmacy, University of Defence, Faculty of Military Health Sciences, Hradec Králové, Czech Republic
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Gatekeepers of the Gut: The Roles of Proteasomes at the Gastrointestinal Barrier. Biomolecules 2021; 11:biom11070989. [PMID: 34356615 PMCID: PMC8301830 DOI: 10.3390/biom11070989] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 06/28/2021] [Accepted: 06/29/2021] [Indexed: 12/24/2022] Open
Abstract
The gut epithelial barrier provides the first line of defense protecting the internal milieu from the environment. To circumvent the exposure to constant challenges such as pathogenic infections and commensal bacteria, epithelial and immune cells at the gut barrier require rapid and efficient means to dynamically sense and respond to stimuli. Numerous studies have highlighted the importance of proteolysis in maintaining homeostasis and adapting to the dynamic changes of the conditions in the gut environment. Primarily, proteolytic activities that are involved in immune regulation and inflammation have been examined in the context of the lysosome and inflammasome activation. Yet, the key to cellular and tissue proteostasis is the ubiquitin–proteasome system, which tightly regulates fundamental aspects of inflammatory signaling and protein quality control to provide rapid responses and protect from the accumulation of proteotoxic damage. In this review, we discuss proteasome-dependent regulation of the gut and highlight the pathophysiological consequences of the disarray of proteasomal control in the gut, in the context of aberrant inflammatory disorders and tumorigenesis.
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8
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Akpinar U, Gur Aksoy G, Hayran Y, Firat Oguz E, Yalcın B. Serum levels of survivin in patients with psoriasis and their relation to disease characteristics. J Cosmet Dermatol 2021; 21:1721-1726. [PMID: 34197671 DOI: 10.1111/jocd.14318] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/22/2021] [Accepted: 06/29/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND Psoriasis is a chronic inflammatory disease in which T helper 1 (Th1) and Th17 cells play a major role in its pathogenesis. Studies have shown that keratinocytes in psoriatic tissue are resistant to apoptosis and have a high proliferation rate. Survivin is a multifunctional protein belonging to an apoptosis inhibitor family, which has significant effects on the immune system, such as activation of dendritic cells and T cells and immunomodulation. OBJECTIVES To investigate a possible relationship between serum survivin levels and psoriasis disease characteristics and severity. MATERIALS AND METHODS The present study included 84 patients with psoriasis who did not receive any systemic treatment for psoriasis in the last three months and 84 volunteers without psoriasis. Demographic data, smoking status, and alcohol consumption of the participants were questioned, and body mass index (BMI) was calculated. In the patient group, disease duration, family history, accompanying arthritis, and nail involvement were questioned and psoriasis area severity index (PASI) scores were calculated. Serum survivin levels were measured in all subjects. RESULTS Serum survivin level was significantly higher in the patients compared to the controls (p = 0.008). There was no relationship between serum survivin level and disease duration, family history, joint involvement, nail involvement, BMI, and PASI score (all p-values > 0.05). Serum survivin levels were significantly higher in smokers than non-smokers and in alcohol consumers than patients that did not drink alcohol in the psoriasis group (p = 0.034 and p = 0.006, respectively). CONCLUSION Serum survivin levels were higher in psoriasis patients than the control group. This finding suggests that this molecule, which is both immunomodulatory and an apoptosis inhibitor, may play a role in the pathogenesis of psoriasis. Significantly high serum survivin level in psoriasis patients who smoke suggests that smoking may act through survivin. More comprehensive studies are needed to evaluate the role of survivin in the pathogenesis of psoriasis and its relationship with smoking.
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Affiliation(s)
- Umit Akpinar
- Department of Dermatology, Ankara City Hospital, Ankara, Turkey
| | - Gunes Gur Aksoy
- Department of Dermatology, Ankara City Hospital, Ankara, Turkey
| | - Yildiz Hayran
- Department of Dermatology, Ankara City Hospital, Ankara, Turkey
| | - Esra Firat Oguz
- Department of Medical Biochemistry, Ankara City Hospital, Ankara, Turkey
| | - Basak Yalcın
- Department of Dermatology, Ankara City Hospital, Ankara, Turkey
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9
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Liu H, Liang Z, Wang F, Zheng X, Zeng Z, He X, Gao X, Zhi M, Wu X, Wu X, Lan P. Intestinal CD14+ Macrophages Protect CD4+ T Cells From Activation-induced Cell Death via Exosomal Membrane TNF in Crohn's Disease. J Crohns Colitis 2020; 14:1619-1631. [PMID: 32343772 DOI: 10.1093/ecco-jcc/jjaa083] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIMS Sustained activation of CD4+ T cells plays important roles in the pathogenesis of Crohn's disease [CD]. Under physiologic conditions, activated T cells can be timely eliminated by a process termed activation-induced cell death [AICD], restraining T cell over-activation and preventing immunological destruction. We inquired whether defective AICD might explain CD4+ T cell over-activation in CD and investigated the underlying mechanisms. METHODS CD14+ macrophages [Mφ] and CD4+ T cells were isolated from intestinal tissues or peripheral blood of controls and CD patients. An ex vivo evaluation system was employed to simulate AICD and cell apoptosis was measured by flow cytometry. RESULTS CD4+ T cells from CD patients fail to undergo AICD in the ex vivo system. Specifically, proinflammatory type 1 helper T [Th1] and type 17 helper T [Th17] cells, rather than immunosuppressive regulatory T [Treg] cells evade AICD in CD. CD14+ Mφ in the intestinal inflammatory microenvironment of CD promote AICD resistance in CD4+ T cells via a cell-to-cell contact-independent manner. Mechanistically, CD14+ Mφ released exosomes express membrane tumour necrosis factor [TNF] which engages TNFR2 on CD4+ T cells and triggers NF-κB signalling, thereby causing AICD resistance. Importantly, clinically applicable anti-TNF antibodies effectively blocked exosomal membrane TNF-induced CD4+ T cell AICD resistance. CONCLUSIONS CD14+ Mφ participate in CD pathogenesis by inducing AICD resistance through release of exosomal membrane TNF to activate the TNFR2/NF-κB pathway in CD4+ T cells. These results present new insights into CD pathogenesis and extend mechanistic understanding of anti-TNF agents. PROPOSED MODEL CD14+ Mφ in the intestinal microenvironment of CD patients maintain the sustained activation of CD4+ T cells through exosomal membrane TNF to induce apoptosis resistance via TNFR2/NF-κB signalling, which could be effectively blocked by clinically applicable anti-TNF agents.
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Affiliation(s)
- Huashan Liu
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Clinical Innovation Department, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Zhenxing Liang
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Fengwei Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
| | - Xiaobin Zheng
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ziwei Zeng
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xiaowen He
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xiang Gao
- Department of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Min Zhi
- Department of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xiaojian Wu
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xianrui Wu
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Clinical Innovation Department, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Ping Lan
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.,Clinical Innovation Department, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
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10
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Marie RESM, Abd El‐ Fadeal NM, Atef LM. Expression of survivin and
p53
genes in patients with alopecia areata: A case–control study. Australas J Dermatol 2020; 62:e29-e34. [DOI: 10.1111/ajd.13433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 07/11/2020] [Indexed: 12/17/2022]
Affiliation(s)
| | - Noha M Abd El‐ Fadeal
- Department of Medical Biochemistry and Molecular Biology Faculty of MedicineSuez Canal University IsmailiaEgypt
- Oncology Diagnostic Unit Faculty of MedicineSuez Canal University IsmailiaEgypt
| | - Lina M Atef
- Department of Dermatology, Venereology and Andrology Faculty of Medicine Suez Canal University Ismailia Egypt
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11
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Nan XW, Gong LH, Chen X, Zhou HH, Ye PP, Yang Y, Xing ZH, Wei MN, Li Y, Wang ST, Liu K, Shi Z, Yan XJ. Survivin Promotes Piperlongumine Resistance in Ovarian Cancer. Front Oncol 2019; 9:1345. [PMID: 31850227 PMCID: PMC6895030 DOI: 10.3389/fonc.2019.01345] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 11/15/2019] [Indexed: 12/20/2022] Open
Abstract
Ovarian cancer is one of the most fatal female malignancies while targeting apoptosis is critical for improving ovarian cancer patients' lives. Survivin is regarded as the most robust anti-apoptosis protein, and its overexpression in ovarian cancer is related to poor survival and apoptosis resistance. Piperlongumine (PL) extracted from peppers is defined as an active alkaloid/amide and exhibits a broad spectrum of antitumor effects. Here, we demonstrate that PL induces the rapid depletion of survivin protein levels via reactive oxygen species (ROS)-mediated proteasome-dependent pathway in vitro, while exerting a remarkable inhibitory influence on the proliferation of ovarian cancer cells. Overexpression of survivin raises the survival rate of ovarian cancer cells to PL. Moreover, PL inhibits ovarian cancer cells xenograft tumor growth and downregulates survivin in vivo. Our findings reveal a previously unrecognized mechanism of PL in suppressing survivin expression as well as survivin promotes piperlongumine resistance in ovarian cancer and suggest that ROS-mediated proteasome-dependent pathway can be exploited to overcome apoptosis resistance triggered by aberrant expression of survivin.
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Affiliation(s)
- Xing-Wei Nan
- Department of Gynecology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Li-Hua Gong
- Department of Gynecology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xu Chen
- Department of Gynecology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Hai-Hong Zhou
- Department of Gynecology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Piao-Piao Ye
- Department of Gynecology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yang Yang
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Department of Cell Biology and Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Zi-Hao Xing
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Department of Cell Biology and Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Meng-Ning Wei
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Department of Cell Biology and Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Yao Li
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Department of Cell Biology and Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Sheng-Te Wang
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Department of Cell Biology and Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Kun Liu
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Department of Cell Biology and Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Zhi Shi
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Department of Cell Biology and Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Xiao-Jian Yan
- Department of Gynecology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang Province, Women's Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
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12
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Feng BS, Ma N, Zhang YY, Gao H, Zhang C, Li G, Liu Z, Feng Y, Yu HQ, Xiao L, Liu ZG, Yang PC. Survivin Impairs the Apoptotic Machinery in CD4+ T Cells of Patients with Ulcerative Colitis. J Innate Immun 2019; 12:226-234. [PMID: 31330513 DOI: 10.1159/000500546] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Accepted: 04/24/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The increase in CD4+ T cell infiltration and overproduction of CD4+ T cell-associated cytokines have been observed in the inflamed colon mucosa of patients with ulcerative colitis (UC); the underlying mechanisms are not fully understood. Survivin plays a critical role in the interference with apoptotic machinery. This study aims to elucidate the role of survivin in the interference with the apoptotic machinery in CD4+ T cells of UC patients. METHODS Peripheral blood samples were collected from UC patients (UC group) and healthy subjects (healthy group). The apoptotic status in CD4+ T cells was analyzed by flow cytometry. RESULTS We observed that the expression of survivin was significantly higher in CD4+ T cells of UC patients than in healthy subjects. UC CD4+ T cells were resistant to apoptosis induction. A complex of survivin and c-Myc, the transcription factor of FasL, was detected in CD4+ T cells in UC patients, which prevented the binding of c-Myc to the FasL promoter and interfered with the expression of FasL. Increased expression of survivin prevented the activation-induced CD4+ T cells from apoptosis. CONCLUSIONS The data indicate that UC CD4+ T cells express high levels of survivin, which impairs the apoptotic machinery in CD4+ T cells and prevents the activation-induced CD4+ T cell apoptosis. Therefore, target therapy against survivin has translational potential in the treatment of UC patients.
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Affiliation(s)
- Bai-Sui Feng
- Department of Gastroenterology, Second Hospital, Zhengzhou University, Zhengzhou, China
| | - Na Ma
- Department of Gastroenterology, Second Hospital, Zhengzhou University, Zhengzhou, China
| | - Yuan-Yi Zhang
- Research Center of Allergy and Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Han Gao
- Department of Gastroenterology, Shanghai Tenth People's Hospital of Tongji University, Shanghai, China
| | - Cui Zhang
- Department of Gastroenterology, Shanghai Tenth People's Hospital of Tongji University, Shanghai, China
| | - Gengfeng Li
- Department of Gastroenterology, Shanghai Tenth People's Hospital of Tongji University, Shanghai, China
| | - Zhanju Liu
- Department of Gastroenterology, Shanghai Tenth People's Hospital of Tongji University, Shanghai, China
| | - Yisheng Feng
- Department of Colorectal Surgery, Kunshan Hospital of Traditional Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Kunshan City, China
| | - Hai-Qiong Yu
- Department of Respirology, Third Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Liang Xiao
- Metagenomic Institute, BGI Research GeneBank, Shenzhen, China
| | - Zhi-Gang Liu
- Research Center of Allergy and Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Ping-Chang Yang
- Research Center of Allergy and Immunology, Shenzhen University School of Medicine, Shenzhen, China,
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13
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Zafari P, Rafiei A, Esmaeili S, Moonesi M, Taghadosi M. Survivin a pivotal antiapoptotic protein in rheumatoid arthritis. J Cell Physiol 2019; 234:21575-21587. [DOI: 10.1002/jcp.28784] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 04/19/2019] [Accepted: 04/22/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Parisa Zafari
- Department of Immunology School of Medicine, Mazandaran University of Medical Sciences Sari Iran
- Student Research Committee Medical school, Mazandaran University of Medical Sciences Sari Iran
| | - Alireza Rafiei
- Department of Immunology School of Medicine, Mazandaran University of Medical Sciences Sari Iran
| | - Seyed‐Alireza Esmaeili
- Immunology Research Center Bu‐Ali Research Institute, Mashhad University of Medical Sciences Mashhad Iran
- Department of Immunology, Student Research Committee Faculty of Medicine, Mashhad University of Medical Science Mashhad Iran
| | - Mohammadreza Moonesi
- Department of Hematology School of Medicine, Tabriz University of Medical Science Tabriz Iran
| | - Mahdi Taghadosi
- Department of Immunology School of Medicine, Kermanshah University of Medical Sciences Kermanshah Iran
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14
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Levine A, Kori M, Kierkus J, Sigall Boneh R, Sladek M, Escher JC, Wine E, Yerushalmi B, Amil Dias J, Shaoul R, Veereman Wauters G, Boaz M, Abitbol G, Bousvaros A, Turner D. Azithromycin and metronidazole versus metronidazole-based therapy for the induction of remission in mild to moderate paediatric Crohn's disease : a randomised controlled trial. Gut 2019; 68:239-247. [PMID: 29420227 DOI: 10.1136/gutjnl-2017-315199] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Revised: 12/17/2017] [Accepted: 12/21/2017] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Crohn's disease (CD) pathogenesis associated with dysbiosis and presence of pathobionts in the lumen, intracellular compartments and epithelial biofilms. Azithromycin is active in all three compartments. Our goal was to evaluate if azithromycin-based therapy can improve response and induce remission compared with metronidazole alone in paediatric CD. DESIGN This blinded randomised controlled trial allocated children 5-18 years with 10<Pediatric Crohn's Disease Activity Index (PCDAI)≤40 to azithromycin 7.5 mg/kg, 5 days/week for 4 weeks and 3 days/week for another 4 weeks with metronidazole 20 mg/kg/day (group 1) or metronidazole alone (group 2), daily for 8 weeks. Failures from group 2 were offered azithromycin as open label. The primary end point was response defined by a decrease in PCDAI>12.5 or remission using intention to treat analysis. RESULTS 73 patients (mean age 13.8±3.1 years) were enrolled, 35 to group 1 and 38 to group 2. Response and remission rates at week 8 were identical 23/35 (66%) in group 1 and 17/38 (45%) and 15/38 (39%) in group 2 (P=0.07 and P=0.025, respectively). The needed to treat for remission was 3.7. Faecal calprotectin declined significantly in group 1 (P=0.003) but not in group 2 (p=0.33), and was lower at week 8 (P=0.052). Additional therapy was required in 6/35(17%) from group 1 versus 16/38(42%) in group 2 (P=0.027) by week 8. Among 12 failures in group 2, open-label azithromycin led to remission in 10/12 (83%). CONCLUSIONS The combination of azithromycin and metronidazole failed to improve response but was superior for induction of remission and reduction in calprotectin. TRIAL REGISTRATION NUMBER NCT01596894.
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Affiliation(s)
- Arie Levine
- Pediatric Gastroenterology and Nutrition Unit, Wolfson Medical Center, Holon, Israel.,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Michal Kori
- Pediatric Day Care Unit, Kaplan Medical Center, Rehovot, Israel
| | - Jarek Kierkus
- Department of Gastroenterology, Hepatology, Feeding Disorders and Pediatrics, The Children's Memorial Health Institute, Warsaw, Poland
| | - Rotem Sigall Boneh
- Pediatric Gastroenterology and Nutrition Unit, Wolfson Medical Center, Holon, Israel
| | - Malgorzata Sladek
- Department of Pediatrics, Gastroenterology and Nutrition, Jagiellonian University Medical College, Cracow, Poland
| | - Johanna C Escher
- Department of Pediatric Gastroenterology, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Eytan Wine
- Division of Pediatric Gastroenterology, Department of Pediatrics, University of Alberta, Edmonton, Canada
| | - Baruch Yerushalmi
- Pediatric Gastroenterology Unit, Soroka University Medical Center, Beersheba, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Negev, Israel
| | | | - Ron Shaoul
- Pediatric Gastroenterology Unit, Ruth Children's Hospital, Rambam Medical Center, Brussels, Belgium
| | | | - Mona Boaz
- Department of Nutrition School of Health Sciences, Ariel University, Ariel, Israel.,Epidemiology and Research Unit, E. Wolfson Medical Center, Holon, Israel
| | - Guila Abitbol
- Pediatric Gastroenterology Lab, The Juliet Keidan Institute of Paediatric Gastroenterology, Hepatology, and Nutrition, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Athos Bousvaros
- Division of Gastroenterology and Nutrition, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Dan Turner
- The Juliet Keidan Institute of Pediatric Gastroenterology and Nutrition, Shaare Zedek Medical Center, The Hebrew University of Jerusalem, Jerusalem, Israel
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15
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Peripheral Lymphocytes of Patients with Inflammatory Bowel Disease Have Altered Concentrations of Key Apoptosis Players: Preliminary Results. BIOMED RESEARCH INTERNATIONAL 2018; 2018:4961753. [PMID: 30515402 PMCID: PMC6236662 DOI: 10.1155/2018/4961753] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 10/03/2018] [Accepted: 10/18/2018] [Indexed: 12/22/2022]
Abstract
Notwithstanding uncertain pathogenesis of inflammatory bowel disease (IBD), deregulation of adaptive immunity is paramount for the development of inflammation. Essential role in the resolution of inflammation is played by apoptosis, deregulated in lymphocytes isolated from inflamed intestine. Despite IBD being a systemic disease, little is known about apoptosis of peripheral lymphocytes. The concentrations of Bcl-2, cytochrome c, p53, and caspase-9 were determined (ELISA) in lymphocyte-enriched fractions of peripheral blood mononuclear cells (LE-PBMCs) from 64 individuals (42 with IBD) and related to IBD phenotype and activity, treatment, and inflammatory and hematological indices. The diagnostic potential of evaluated markers was determined as well. All evaluated molecules were significantly lower in IBD patients, of which cytochrome c and p53 were significantly lower exclusively in patients with Crohn's disease (CD) and cytochrome c differed significantly between CD and ulcerative colitis (UC). Caspase 9 was significantly lower in active IBD and Bcl-2 in active UC whereas cytochrome c was higher in active CD. Treatment with corticosteroids affected the concentrations of cytochrome c and p53. Both positively correlated with hsCRP and the concentrations of all markers were interrelated. As IBD markers, Bcl-2 and caspase-9 displayed good accuracy and, as a panel of markers with cytochrome c, their accuracy was excellent (92%). As CD markers Bcl-2, cytochrome c, and p53 displayed fair accuracy but combined determination of Bcl-2 and cytochrome c improved the accuracy to 85%. Taken together, our results imply diminished intrinsic apoptotic capacity of LE-PBMCs in IBD but an upregulation of proapoptotic features parallel to increasing severity of inflammation. Observed abnormalities in intrinsic pathway of apoptosis are more pronounced in CD. Upon positive validation on a larger set of patients, combined quantification of Bcl-2 and cytochrome c might be considered as an adjunct in differential diagnosis of UC and CD of colon and rectum.
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16
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Ebrahimiyan H, Aslani S, Rezaei N, Jamshidi A, Mahmoudi M. Survivin and autoimmunity; the ins and outs. Immunol Lett 2018; 193:14-24. [DOI: 10.1016/j.imlet.2017.11.004] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Revised: 09/13/2017] [Accepted: 11/06/2017] [Indexed: 02/06/2023]
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17
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Scheer A, Knauer SK, Verhaegh R. Survivin expression pattern in the intestine of normoxic and ischemic rats. BMC Gastroenterol 2017; 17:76. [PMID: 28615071 PMCID: PMC5471735 DOI: 10.1186/s12876-017-0625-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 05/12/2017] [Indexed: 01/04/2023] Open
Abstract
Background Survivin, a member of the inhibitor of apoptosis protein (IAP) family, regulates mitosis and chromosome segregation. The expression of survivin proceeds during embryonic development and in addition has already been demonstrated in cancer cells. However, there is also evidence of survivin expression in differentiated tissues, including the gastro-intestinal tract of adult rats. A study with human colon specimens exhibited survivin in most basal crypt epithelial cells of normal mucosa. There is rather limited information on survivin expression in the small intestine. In order to paint a more detailed and thus complete picture of survivin expression patterns in the gastrointestinal tract, we used an immunohistochemical approach in normal adult rat small intestinal and ascending colonic tissue. Moreover, to get deeper insights in the regulation of survivin expression after tissue damage, we also studied its expression in mesenteric ischemia-reperfusion (I/R) injury. Methods Mesenteric ischemia-reperfusion injury was induced in male Wistar rats (six animals/group) by occlusion of the superior mesenteric artery for 90 min and subsequent reperfusion for 120 min. Paraffin sections of untreated or ischemically treated tissue were assessed immunohistochemically by survivin and Ki-67 staining. Results Survivin could be detected in the small intestine and ascending colon of the normoxia group. It was expressed mainly in the epithelial cells of the crypts and only marginally in the villi. The individual small intestinal segments studied revealed comparable staining intensities. Likewise, expression of survivin was detected in the ischemically damaged small intestine and ascending colon. The expression pattern corresponded to the normoxic animals, as far as verifiable due to the existing tissue damage. Comparison of the expression pattern of Ki-67, a protein that acts as a cellular marker for proliferation, and survivin demonstrated a coincidental localization of the two proteins in the small intestinal and ascending colonic tissue. Conclusions Survivin was expressed strongly in epithelial cells of small intestinal as well as ascending colonic tissue. Its expression was located in cells with a high proliferation rate and regenerative capacity. This further supports the decisive role of survivin in cell division. Surprisingly, the ischemically damaged small intestinal and ascending colonic tissue showed a comparably high expression level. These results suggest that there is already a maximal survivin expression under normal conditions. However, the intestine is able to maintain the regenerative capacity even in spite of an ischemic injury. These findings reflect the important relevance of an intact intestinal barrier.
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Affiliation(s)
- Alexandra Scheer
- Institute of Physiological Chemistry, University Hospital Essen, Hufelandstraße 55, D-45147, Essen, Germany
| | - Shirley K Knauer
- Institute for Molecular Biology, Centre for Medical Biotechnology (ZMB), University of Duisburg-Essen, Essen, Germany
| | - Rabea Verhaegh
- Institute of Physiological Chemistry, University Hospital Essen, Hufelandstraße 55, D-45147, Essen, Germany.
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18
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Abstract
Survivin is a protein functionally important for cell division, apoptosis, and possibly, for micro-RNA biogenesis. It is an established marker of malignant cell transformation. In non-malignant conditions, the unique properties of survivin make it indispensable for homeostasis of the immune system. Indeed, it is required for the innate and adaptive immune responses, controlling differentiation and maintenance of CD4+ and CD8+ memory T-cells, and in B cell maturation. Recently, survivin has emerged as an important player in the pathogenesis of autoimmune diseases. Under the conditions of unreserved inflammation, survivin enhances antigen presentation, maintains persistence of autoreactive cells, and supports production of autoantibodies. In this context, survivin takes its place as a diagnostic and prognostic marker in rheumatoid arthritis, psoriasis, systemic sclerosis and pulmonary arterial hypertension, neuropathology and multiple sclerosis, inflammatory bowel diseases and oral lichen planus. In this review, we summarise the knowledge about non-malignant properties of survivin and focus on its engagement in cellular and molecular pathology of autoimmune diseases. The review highlights utility of survivin measures for clinical applications. It provides rational for the survivin inhibiting strategies and presents results of recent reports on survivin inhibition in modern therapies of cancers and autoimmune diseases.
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19
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Park JH, Peyrin-Biroulet L, Eisenhut M, Shin JI. IBD immunopathogenesis: A comprehensive review of inflammatory molecules. Autoimmun Rev 2017; 16:416-426. [PMID: 28212924 DOI: 10.1016/j.autrev.2017.02.013] [Citation(s) in RCA: 195] [Impact Index Per Article: 27.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 01/19/2017] [Indexed: 02/06/2023]
Abstract
Inflammatory molecules play a crucial role in the pathogenesis of inflammatory bowel disease (IBD) such as ulcerative colitis and Crohn's disease, both of which are chronic inflammatory conditions of the gastrointestinal tract. Abnormal expressions of pro- and anti-inflammatory molecules have been described to cause an imbalance to the gut innate and adaptive immunity, and recently a large portion of research in IBD has been geared towards identifying novel molecules that may be used as potential therapeutic targets. Understanding of these inflammatory molecules has suggested that although ulcerative colitis and Crohn's disease share many common clinical symptoms and signs, they are in fact two separate clinical entities characterized by different immunopathogenesis. In this review, we comprehensively discuss the roles of numerous inflammatory molecules including but not limited to cytokines, chemokines, inflammasomes, microRNAs and neuropeptides and their expression status in ulcerative colitis and Crohn's disease in relation to their effects on the overall intestinal inflammatory process.
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Affiliation(s)
- Jae Hyon Park
- Yonsei University College of Medicine, Severance Hospital, Seoul, Republic of Korea
| | - Laurent Peyrin-Biroulet
- Inserm U954 and Department of Gastroenterology, Nancy University Hospital, Université de Lorraine, France
| | - Michael Eisenhut
- Department of Paediatrics, Luton & Dunstable University Hospital NHS Foundation Trust, Lewsey Road, Luton, LU40DZ, United Kingdom
| | - Jae Il Shin
- Department of Pediatrics, Yonsei University College of Medicine, Severance Children's Hospital, Seoul, Republic of Korea.
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20
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Cramer P, Bresalier RS. Gastrointestinal and Hepatic Complications of Immune Checkpoint Inhibitors. Curr Gastroenterol Rep 2017; 19:3. [PMID: 28124291 DOI: 10.1007/s11894-017-0540-6] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE OF REVIEW Gastrointestinal complications are very common in patients undergoing cancer treatment. Some of these complications can be life threatening and require prompt and appropriate diagnosis and treatment. The purpose of this review is to address luminal gastrointestinal and hepatic complications associated with a new class of anticancer drugs, immune checkpoint inhibitors (CPIs), and focuses on the identification, evaluation, and management of the complications associated with this class of drugs. RECENT FINDINGS It is now recognized that immune checkpoint inhibitors are frequently associated with luminal GI side effects such as diarrhea and enterocolitis and hepatic complications such as hepatitis. While colitis associated with CPIs, to some extent, mimics that found in idiopathic inflammatory bowel disease, the complex interplay of genes, the environment, the immune system, and the microbiome make it difficult to fully differentiate these conditions clinically. CPI-induced hepatitis is most often associated with a pattern of hepatocellular injury with panlobular hepatitis. A variety of biomarkers have been proposed to predict an adverse response to CPIs and are under investigation. It has been proposed that alterations in the microbiome may impact the risk of developing colitis, and these studies are reviewed. In contrast to idiopathic chronic inflammatory bowel disease, CPI-induced colitis is often reversible if rapidly treated in accordance with the immune-mediated adverse reaction management guidelines. Treatment algorithms have been suggested but are, to some extent, empiric and based on algorithms for the treatment of idiopathic inflammatory bowel disorders. CPIs may be associated with significant GI complications which impact their successful use in the treatment of neoplastic diseases. Much of what we currently know about the mechanisms and treatment of these complications is empiric and extrapolated from experience with idiopathic inflammatory bowel disease and other immune disorders. Current research focuses on understanding genetic predisposition and the role of the microbiome and identifying predictive risk markers for developing complications.
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Affiliation(s)
- Peyton Cramer
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, 1515 Holocombe Boulevard, Unit 1466, Houston, TX, 77030, USA
| | - Robert S Bresalier
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, 1515 Holocombe Boulevard, Unit 1466, Houston, TX, 77030, USA.
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21
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Epithelial PIK3R1 (p85) and TP53 Regulate Survivin Expression during Adaptation to Ileocecal Resection. THE AMERICAN JOURNAL OF PATHOLOGY 2016; 186:1837-1846. [PMID: 27157990 DOI: 10.1016/j.ajpath.2016.03.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2015] [Revised: 02/12/2016] [Accepted: 03/02/2016] [Indexed: 01/02/2023]
Abstract
Intestinal adaptation to small-bowel resection (SBR) after necrotizing enterocolitis expands absorptive surface areas and promotes enteral autonomy. Survivin increases proliferation and blunts apoptosis. The current study examines survivin in intestinal epithelial cells after ileocecal resection. Wild-type and epithelial Pik3r1 (p85α)-deficient mice underwent sham surgery or 30% resection. RNA and protein were isolated from small bowel to determine levels of β-catenin target gene expression, activated caspase-3, survivin, p85α, and Trp53. Healthy and post-resection human infant small-bowel sections were analyzed for survivin, Ki-67, and TP53 by immunohistochemistry. Five days after ileocecal resection, epithelial levels of survivin increased relative to sham-operated on mice, which correlated with reduced cleaved caspase-3, p85α, and Trp53. At baseline, p85α-deficient intestinal epithelial cells had less Trp53 and more survivin, and relative responses to resection were blunted compared with wild-type. In infant small bowel, survivin in transit amplifying cells increased 71% after SBR. Resection increased proliferation and decreased numbers of TP53-positive epithelial cells. Data suggest that ileocecal resection reduces p85α, which lowers TP53 activation and releases survivin promoter repression. The subsequent increase in survivin among transit amplifying cells promotes epithelial cell proliferation and lengthens crypts. These findings suggest that SBR reduces p85α and TP53, which increases survivin and intestinal epithelial cell expansion during therapeutic adaptation in patients with short bowel syndrome.
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22
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Abstract
IBD is a chronic inflammatory condition of the gastrointestinal tract encompassing two main clinical entities: Crohn's disease and ulcerative colitis. Although Crohn's disease and ulcerative colitis have historically been studied together because they share common features (such as symptoms, structural damage and therapy), it is now clear that they represent two distinct pathophysiological entities. Both Crohn's disease and ulcerative colitis are associated with multiple pathogenic factors including environmental changes, an array of susceptibility gene variants, a qualitatively and quantitatively abnormal gut microbiota and a broadly dysregulated immune response. In spite of this realization and the identification of seemingly pertinent environmental, genetic, microbial and immune factors, a full understanding of IBD pathogenesis is still out of reach and, consequently, treatment is far from optimal. An important reason for this unsatisfactory situation is the currently limited comprehension of what are the truly relevant components of IBD immunopathogenesis. This article will comprehensively review current knowledge of the classic immune components and will expand the concept of IBD immunopathogenesis to include various cells, mediators and pathways that have not been traditionally associated with disease mechanisms, but that profoundly affect the overall intestinal inflammatory process.
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Affiliation(s)
- Heitor S P de Souza
- Department of Gastroenterology &Multidisciplinary Research Laboratory, Federal University of Rio de Janeiro, Rio de Janeiro 21941-913, Brazil
| | - Claudio Fiocchi
- Department of Pathobiology, Lerner Research Institute, Department of Gastroenterology and Hepatology, Digestive Disease Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA
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23
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Sarvagalla S, Cheung CHA, Tsai JY, Hsieh HP, Coumar MS. Disruption of protein–protein interactions: hot spot detection, structure-based virtual screening and in vitro testing for the anti-cancer drug target – survivin. RSC Adv 2016. [DOI: 10.1039/c5ra22927h] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Hot spot detection at the protein–protein interaction interface using computational tools helped to identify indinavir as survivin inhibitor.
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Affiliation(s)
- Sailu Sarvagalla
- Centre for Bioinformatics
- School of Life Sciences
- Pondicherry University
- Puducherry 605014
- India
| | - Chun Hei Antonio Cheung
- Department of Pharmacology
- College of Medicine
- National Cheng Kung University
- Tainan
- Republic of China
| | - Ju-Ya Tsai
- Department of Pharmacology
- College of Medicine
- National Cheng Kung University
- Tainan
- Republic of China
| | - Hsing Pang Hsieh
- Institute of Biotechnology and Pharmaceutical Research
- National Health Research Institutes
- Miaoli County 350
- Republic of China
| | - Mohane Selvaraj Coumar
- Centre for Bioinformatics
- School of Life Sciences
- Pondicherry University
- Puducherry 605014
- India
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24
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Turkkila M, Andersson KME, Amu S, Brisslert M, Erlandsson MC, Silfverswärd S, Bokarewa MI. Suppressed diversity of survivin splicing in active rheumatoid arthritis. Arthritis Res Ther 2015; 17:175. [PMID: 26160473 PMCID: PMC4702383 DOI: 10.1186/s13075-015-0689-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 06/16/2015] [Indexed: 01/10/2023] Open
Abstract
Introduction Alternative splicing distinguishes normal and pathologic cells. High levels of oncoprotein survivin recognise patients with severe rheumatoid arthritis (RA). Here, we assess clinical relevance of alternative splicing of survivin in leukocytes of peripheral blood (PBMC) and bone marrow (BM) in RA patients. Method Transcription of survivin wild-type (survivin-WT), survivin-2B and survivin-ΔEx3 was measured in 67 randomly selected RA patients and in 23 patients before and after B cell depletion with rituximab. Analysis was done in relation to disease activity, anti-rheumatic treatment and serum levels of rheumatoid factor (RF) and survivin. Results Survivin-WT was the dominant splice variant equally expressed in T and B cells, while survivin-2B and survivin-ΔEx3 were higher in B cells. High disease activity (DAS28>5.1) was associated with an excess of survivin-WT and low ratios between survivin-2B/WT (p=0.035) and survivin-ΔEx3/WT in PBMC. Depletion of B cells by rituximab caused a decrease in survivin-WT (p=0.005) in PBMC, increasing the ratio between survivin-2B/WT (p=0.009) and survivin-ΔEx3/WT (p=0.001) in BM. This increase in survivin-2B/WT was associated with reduction in CD19+ BM cells (r=0.929, p=0.007), RF (IgM, r=0.857, p=0.024; IgA, r=0.739, p=0.021), and DAS28 (0.636, p=0.054). The increase in survivin-ΔEx3 in BM was associated with a reduction of CD19+ BM cells (r=0.714, p=0.058) and DAS28 (r=0.648, p=0.049), while survivin-ΔEx3/WT was associated with RF (IgG, r=0.882, p=0.016). Conclusion This study demonstrates that the suppressed diversity of survivin splicing in leukocytes may attribute to adverse self-recognition in RA. Depletion of autoantibody producing B cells improves the balance of survivin splicing.
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Affiliation(s)
- Minna Turkkila
- Department of Rheumatology and Inflammation Research, Sahlgrenska University Hospital, Gothenburg University, BOX 480, SE-40530, Gothenburg, Sweden.
| | - Karin M E Andersson
- Department of Rheumatology and Inflammation Research, Sahlgrenska University Hospital, Gothenburg University, BOX 480, SE-40530, Gothenburg, Sweden.
| | - Sylvie Amu
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Nobels väg 16 FE280, 171 77, Stockholm, Sweden.
| | - Mikael Brisslert
- Department of Rheumatology and Inflammation Research, Sahlgrenska University Hospital, Gothenburg University, BOX 480, SE-40530, Gothenburg, Sweden.
| | - Malin C Erlandsson
- Department of Rheumatology and Inflammation Research, Sahlgrenska University Hospital, Gothenburg University, BOX 480, SE-40530, Gothenburg, Sweden.
| | - Sofia Silfverswärd
- Department of Rheumatology and Inflammation Research, Sahlgrenska University Hospital, Gothenburg University, BOX 480, SE-40530, Gothenburg, Sweden.
| | - Maria I Bokarewa
- Department of Rheumatology and Inflammation Research, Sahlgrenska University Hospital, Gothenburg University, BOX 480, SE-40530, Gothenburg, Sweden.
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Rapti E, Gazouli M, Legaki E, Karamanolis G, Thomas D, Marinos E, Papaconstantinou I. Association of survivin promoter polymorphisms with inflammatory bowel disease and response to antitumor necrosis factor therapy. Genet Test Mol Biomarkers 2015; 19:339-43. [PMID: 25918954 DOI: 10.1089/gtmb.2015.0036] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND/AIM Recent evidence suggests that survivin, a member of the inhibitors of apoptosis family that prevents cell death and regulates cell division is implicated in the pathogenesis of inflammatory bowel disease (IBD). The aim of the study was to identify a possible association between individual genetic variation, IBD susceptibility, and response to infliximab (IFX). MATERIAL AND METHODS The expression levels of survivin were detected in pathologic areas of fresh tissues and blood samples by real-time reverse transcriptase - polymerase chain reaction (RT-PCR) from IBD patients. Polymorphisms were identified using the polymerase chain reaction - Restriction Fragment Length Polymorphism (PCR-RFLP) technique. Clinical and endoscopic response to IFX was evaluated by ileocolonoscopy performed at baseline and after 12-20 weeks of therapy with patients classified as either responders or nonresponders. RESULTS No significant differences were found between survivin mRNA levels between patients and controls. Significant differences in both allele and genotype frequencies between Crohn's disease (CD) and ulcerative colitis (UC) patients and controls were found in -31C/G polymorphism. No association with IBD development was found for the -625G/C and -241T/C polymorphisms, since those polymorphisms were overrepresented in a healthy population. Additionally no significant association was found between -31C/G polymorphism and the clinical response of CD patients to IFX. CONCLUSIONS Survivin promoter polymorphism -31C/G might influence the susceptibility to IBD in the Greek population, but not the CD patient's response to anti-TNF drugs.
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Affiliation(s)
- Emmanouela Rapti
- 1 Laboratory of Biology , Department of Basic Medical Sciences, School of Medicine, University of Athens, Athens, Greece
| | - Maria Gazouli
- 1 Laboratory of Biology , Department of Basic Medical Sciences, School of Medicine, University of Athens, Athens, Greece
| | - Evangelia Legaki
- 1 Laboratory of Biology , Department of Basic Medical Sciences, School of Medicine, University of Athens, Athens, Greece
| | - George Karamanolis
- 2 Second Department of Surgery, Aretaieion Hospital, Medical School, University of Athens , Athens, Greece
| | - Diamantis Thomas
- 1 Laboratory of Biology , Department of Basic Medical Sciences, School of Medicine, University of Athens, Athens, Greece
| | - Evangelos Marinos
- 1 Laboratory of Biology , Department of Basic Medical Sciences, School of Medicine, University of Athens, Athens, Greece
| | - Ioannis Papaconstantinou
- 2 Second Department of Surgery, Aretaieion Hospital, Medical School, University of Athens , Athens, Greece
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Pedersen J, LaCasse EC, Seidelin JB, Coskun M, Nielsen OH. Inhibitors of apoptosis (IAPs) regulate intestinal immunity and inflammatory bowel disease (IBD) inflammation. Trends Mol Med 2014; 20:652-65. [PMID: 25282548 DOI: 10.1016/j.molmed.2014.09.006] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Revised: 09/04/2014] [Accepted: 09/08/2014] [Indexed: 12/12/2022]
Abstract
The inhibitor of apoptosis (IAP) family members, notably cIAP1, cIAP2, and XIAP, are critical and universal regulators of tumor necrosis factor (TNF) mediated survival, inflammatory, and death signaling pathways. Furthermore, IAPs mediate the signaling of nucleotide-binding oligomerization domain (NOD)1/NOD2 and other intracellular NOD-like receptors in response to bacterial pathogens. These pathways are important to the pathogenesis and treatment of inflammatory bowel disease (IBD). Inactivating mutations in the X-chromosome-linked IAP (XIAP) gene causes an immunodeficiency syndrome, X-linked lymphoproliferative disease type 2 (XLP2), in which 20% of patients develop severe intestinal inflammation. In addition, 4% of males with early-onset IBD also have inactivating mutations in XIAP. Therefore, the IAPs play a greater role in gut homeostasis, immunity and IBD development than previously suspected, and may have therapeutic potential.
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Affiliation(s)
- Jannie Pedersen
- Department of Gastroenterology, Medical Section, Herlev Hospital, University of Copenhagen, DK-2730 Herlev, Denmark
| | - Eric C LaCasse
- Apoptosis Research Centre, Children's Hospital of Eastern Ontario Research Institute, Ottawa, K1H 8L1, Canada.
| | - Jakob B Seidelin
- Department of Gastroenterology, Medical Section, Herlev Hospital, University of Copenhagen, DK-2730 Herlev, Denmark
| | - Mehmet Coskun
- Department of Gastroenterology, Medical Section, Herlev Hospital, University of Copenhagen, DK-2730 Herlev, Denmark
| | - Ole H Nielsen
- Department of Gastroenterology, Medical Section, Herlev Hospital, University of Copenhagen, DK-2730 Herlev, Denmark
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Cell death and inflammatory bowel diseases: apoptosis, necrosis, and autophagy in the intestinal epithelium. BIOMED RESEARCH INTERNATIONAL 2014; 2014:218493. [PMID: 25126549 PMCID: PMC4121991 DOI: 10.1155/2014/218493] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Accepted: 06/13/2014] [Indexed: 02/07/2023]
Abstract
Cell death mechanisms have been associated with the development of inflammatory bowel diseases in humans and mice. Recent studies suggested that a complex crosstalk between autophagy/apoptosis, microbe sensing, and enhanced endoplasmic reticulum stress in the epithelium could play a critical role in these diseases. In addition, necroptosis, a relatively novel programmed necrosis-like pathway associated with TNF receptor activation, seems to be also present in the pathogenesis of Crohn's disease and in specific animal models for intestinal inflammation. This review attempts to cover new data related to cell death mechanisms and inflammatory bowel diseases.
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Turksma AW, Bontkes HJ, Ruizendaal JJ, Scholten KBJ, Akershoek J, Rampersad S, Moesbergen LM, Cillessen SAGM, Santegoets SJAM, de Gruijl TD, Leemans CR, Meijer CJLM, Hooijberg E. Exploring dendritic cell based vaccines targeting survivin for the treatment of head and neck cancer patients. J Transl Med 2013; 11:152. [PMID: 23787039 PMCID: PMC3695847 DOI: 10.1186/1479-5876-11-152] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Accepted: 06/10/2013] [Indexed: 01/01/2023] Open
Abstract
Background New treatment modalities are needed for the treatment of cancers of the head and neck region (HNSCC). Survivin is important for the survival and proliferation of tumor cells and may therefore provide a target for immunotherapy. Here we focused on the ex vivo presence and in vitro induction of survivin specific T cells. Methods Tetramer staining and ELIspot assays were used to document the presence of survivin specific T cells in patient derived material, and to monitor the presence and persistence of survivin specific T cells after repeated in vitro stimulation with autologous dendritic cells. Results Ex vivo analysis showed the presence of survivin-specific T cells in the peripheral blood (by tetramer analysis) and in the draining lymph node (by ELIspot analysis) in a HNSCC and a locally advanced breast cancer patient respectively. However, we were unable to maintain isolated survivin specific T cells for prolonged periods of time. For the in vitro generation of survivin specific T cells, monocyte derived DC were electroporated with mRNA encoding full length survivin or a survivin mini-gene together with either IL21 or IL12 mRNA. Western blotting and immunohistochemical staining of dendritic cell cytospin preparations confirmed translation of the full length survivin protein. After repeated stimulation we observed an increase, followed by a decrease, of the number of survivin specific T cells. FACS sorted or limiting dilution cloned survivin specific T cells could not be maintained on feeder mix for prolonged periods of time. Protein expression analysis subsequently showed that activated, but not resting T cells contain survivin protein. Conclusions Here we have shown that survivin specific T cells can be detected ex vivo in patient derived material. Furthermore, survivin specific T cells can be induced in vitro using autologous dendritic cells with enforced expression of survivin and cytokines. However, we were unable to maintain enriched or cloned survivin specific T cells for prolonged periods of time. Endogenous expression of survivin in activated T cells and subsequent fratricide killing might explain our in vitro observations. We therefore conclude that survivin, although it is a universal tumor antigen, might not be the ideal target for immunotherapeutic strategies for the treatment of cancer of the head and neck.
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Affiliation(s)
- Annelies W Turksma
- Department of Pathology, VU University Medical Center-Cancer Center Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
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