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Liu XR, Qi YY, Zhao YF, Cui Y, Zhao ZZ. Plasma soluble tumor necrosis factor receptor I as a biomarker of lupus nephritis and disease activity in systemic lupus erythematosus patients. Ren Fail 2023; 45:2174355. [PMID: 36946374 PMCID: PMC10035946 DOI: 10.1080/0886022x.2023.2174355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023] Open
Abstract
OBJECTIVES The goal of our study was to evaluate the potential role of sTNF-RI as a biomarker of renal involvement in SLE patients and active SLE. METHODS The study sample consisted of two cohorts. The discovery cohort included 16 SLE patients without renal involvement (non-LN), 60 lupus nephritis (LN) patients and 21 healthy controls (HCs) and the replication cohort included 18 SLE non-LN patients, 116 LN patients and 36 HCs. RESULTS The sTNF-RI levels differed significantly in the discovery cohort. The plasma sTNF-RI levels were higher in LN patients than in non-LN patients (p = .009) and HCs (p = 4 × 10-6). Plasma sTNF-RI levels were significantly higher in non-LN patients than in HCs (p = .03). The finding was confirmed in independent replication cohort (LNs vs. non-LN, p = 4.053 × 10-7; LNs vs. HCs, p = 2.395 × 10-18; non-LN vs. HCs, p = 2.51 × 10-4). The plasma sTNF-RI levels were associated with disease activity, renal function in SLE patients and urine protein in LN patients. The multivariate analysis revealed that high sTNF-RI was an independent risk factor for renal involvement. The multivariate logistic regression results suggested that high TNF-RI, high systolic blood pressure, high serum creatinine, low C4 and positive anti-dsDNA were independent risks of active SLE patients. A nomogram was constructed based on the results of multivariate logistic regression analysis and it was practical in predicting the risk of the active SLE patients. Immunohistochemistry suggested that the expression of TNF-RI in the kidney was increased. CONCLUSIONS Plasma sTNF-RI might be a good biomarker of renal involvement and disease activity in SLE patients.
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Affiliation(s)
- Xin-Ran Liu
- Nephrology Hospital, the First Affiliated Hospital of Zhengzhou University, Henan, China
- Institute of Nephrology, Zhengzhou University, Henan, China
| | - Yuan-Yuan Qi
- Nephrology Hospital, the First Affiliated Hospital of Zhengzhou University, Henan, China
- Institute of Nephrology, Zhengzhou University, Henan, China
| | - Ya-Fei Zhao
- Nephrology Hospital, the First Affiliated Hospital of Zhengzhou University, Henan, China
- Institute of Nephrology, Zhengzhou University, Henan, China
| | - Yan Cui
- Nephrology Hospital, the First Affiliated Hospital of Zhengzhou University, Henan, China
- Institute of Nephrology, Zhengzhou University, Henan, China
| | - Zhan-Zheng Zhao
- Nephrology Hospital, the First Affiliated Hospital of Zhengzhou University, Henan, China
- Institute of Nephrology, Zhengzhou University, Henan, China
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Chen S, Jiang J, Li T, Huang L. PANoptosis: Mechanism and Role in Pulmonary Diseases. Int J Mol Sci 2023; 24:15343. [PMID: 37895022 PMCID: PMC10607352 DOI: 10.3390/ijms242015343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/09/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
PANoptosis is a newly defined programmed cell death (PCD) triggered by a series of stimuli, and it engages three well-learned PCD forms (pyroptosis, apoptosis, necroptosis) concomitantly. Normally, cell death is recognized as a strategy to eliminate unnecessary cells, inhibit the proliferation of invaded pathogens and maintain homeostasis; however, vigorous cell death can cause excessive inflammation and tissue damage. Acute lung injury (ALI) and chronic obstructive pulmonary syndrome (COPD) exacerbation is related to several pathogens (e.g., influenza A virus, SARS-CoV-2) known to cause PANoptosis. An understanding of the mechanism and specific regulators may help to address the pathological systems of these diseases. This review presents our understanding of the potential mechanism of PANoptosis and the role of PANoptosis in different pulmonary diseases.
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Affiliation(s)
| | | | | | - Longshuang Huang
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China; (S.C.); (J.J.); (T.L.)
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Yurkina DM, Sharapova TN, Romanova EA, Yashin DV, Sashchenko LP. Short Peptides of Innate Immunity Protein Tag7 (PGLYRP1) Selectively Induce Inhibition or Activation of Tumor Cell Death via TNF Receptor. Int J Mol Sci 2023; 24:11363. [PMID: 37511122 PMCID: PMC10379010 DOI: 10.3390/ijms241411363] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
In this study, we have found two peptides of Tag7 (PGLYRP1) protein-17.1A (HRDVQRT) and 17.1B (RSNYVLKG), that have different affinities to the TNFR1 receptor and the Hsp70 protein. Peptide 17.1A is able to inhibit signal transduction through the TNFR1 receptor, and peptide 17.1B can activate this receptor in a complex with Hsp70. Thus, it is possible to modulate the activity of the TNFR1 receptor and further perform its specific inhibition or activation in the treatment of various autoimmune or oncological diseases.
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Epimakhova EV, Smirnova LP, Kazantseva DV, Kamaeva DA, Ivanova SA. Different Directions of Effects of Polyclonal IgG Antibodies from Patients with Schizophrenia and Healthy Individuals on Cell Death In Vitro: A Pilot Study. Curr Issues Mol Biol 2023; 45:3168-3179. [PMID: 37185730 PMCID: PMC10137166 DOI: 10.3390/cimb45040206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/29/2023] [Accepted: 04/02/2023] [Indexed: 05/17/2023] Open
Abstract
Numerous studies indicate the involvemen of oxidative stress in the pathogenesis of schizophrenia. It has been shown that the serum pool of antibodies in patients with schizophrenia contains catalytically active antibodies (abzymes) that have a wide range of activities, including redox properties. In the present work, the effects of IgGs-having oxidoreductase activities-isolated from the serum of patients with schizophrenia and healthy individuals were studied in vitro. The IgGs were purified by affinity chromatography followed by an SDS-PAGE analysis of homogeneity in a 4-18% gradient gel. The catalase and superoxide dismutase (SOD) activities of the IgGs were measured spectrophotometrically using a kinetic module. Human neuroblastoma SH-SY5Y cells were cultured with IgG at a final concentration of 0.2 mg/mL for 24 h. In a parallel experiment, tert-butyl hydroperoxide was used as an oxidative stressor. The number of dead cells after incubation was determined with fluorescent dyes, propidium iodide and Hoechst, by high-throughput screening on the CellInsight CX7 platform. A cytotoxic effect of the IgG from the schizophrenia patients on SH-SY5Y cells was detected after 24 h incubation. A correlation was found between the SOD activity of the IgGs and IgG-induced cell death. Under the induced oxidative stress, the cytotoxic effect of the IgG from the patients with schizophrenia on the SH-SY5Y cell line was five times stronger. Meanwhile, the IgG from the healthy individuals exerted a cytoprotective effect on the cultured cells, accompanied by high catalase activity. Thus, the observed influence on cell viability depends on the catalytic properties of the abzymes.
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Affiliation(s)
- Elena V Epimakhova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya Str., 4, 634014 Tomsk, Russia
- Division of Biology and Genetics, Siberian State Medical University, Moskovsky Trakt, 2, 634050 Tomsk, Russia
| | - Liudmila P Smirnova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya Str., 4, 634014 Tomsk, Russia
| | - Daria V Kazantseva
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya Str., 4, 634014 Tomsk, Russia
| | - Daria A Kamaeva
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya Str., 4, 634014 Tomsk, Russia
| | - Svetlana A Ivanova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya Str., 4, 634014 Tomsk, Russia
- Department of Psychiatry, Addictology and Psychotherapy, Siberian State Medical University, Moskovsky Trakt, 2, 634050 Tomsk, Russia
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Becker YLC, Duvvuri B, Fortin PR, Lood C, Boilard E. The role of mitochondria in rheumatic diseases. Nat Rev Rheumatol 2022; 18:621-640. [PMID: 36175664 DOI: 10.1038/s41584-022-00834-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/19/2022] [Indexed: 11/09/2022]
Abstract
The mitochondrion is an intracellular organelle thought to originate from endosymbiosis between an ancestral eukaryotic cell and an α-proteobacterium. Mitochondria are the powerhouses of the cell, and can control several important processes within the cell, such as cell death. Conversely, dysregulation of mitochondria possibly contributes to the pathophysiology of several autoimmune diseases. Defects in mitochondria can be caused by mutations in the mitochondrial genome or by chronic exposure to pro-inflammatory cytokines, including type I interferons. Following the release of intact mitochondria or mitochondrial components into the cytosol or the extracellular space, the bacteria-like molecular motifs of mitochondria can elicit pro-inflammatory responses by the innate immune system. Moreover, antibodies can target mitochondria in autoimmune diseases, suggesting an interplay between the adaptive immune system and mitochondria. In this Review, we discuss the roles of mitochondria in rheumatic diseases such as systemic lupus erythematosus, antiphospholipid syndrome and rheumatoid arthritis. An understanding of the different contributions of mitochondria to distinct rheumatic diseases or manifestations could permit the development of novel therapeutic strategies and the use of mitochondria-derived biomarkers to inform pathogenesis.
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Affiliation(s)
- Yann L C Becker
- Centre de Recherche ARThrite-Arthrite, Recherche et Traitements, Université Laval, Québec, QC, Canada
- Centre de Recherche du CHU de Québec-Université Laval, Axe Maladies infectieuses et immunitaires, Québec, QC, Canada
- Département de microbiologie et immunologie, Université Laval, Québec, QC, Canada
| | - Bhargavi Duvvuri
- Division of Rheumatology, University of Washington, Seattle, WA, USA
| | - Paul R Fortin
- Centre de Recherche ARThrite-Arthrite, Recherche et Traitements, Université Laval, Québec, QC, Canada
- Centre de Recherche du CHU de Québec-Université Laval, Axe Maladies infectieuses et immunitaires, Québec, QC, Canada
- Division of Rheumatology, Department of Medicine, CHU de Québec-Université Laval, Québec, QC, Canada
| | - Christian Lood
- Division of Rheumatology, University of Washington, Seattle, WA, USA.
| | - Eric Boilard
- Centre de Recherche ARThrite-Arthrite, Recherche et Traitements, Université Laval, Québec, QC, Canada.
- Centre de Recherche du CHU de Québec-Université Laval, Axe Maladies infectieuses et immunitaires, Québec, QC, Canada.
- Département de microbiologie et immunologie, Université Laval, Québec, QC, Canada.
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Xu Y, Li P, Li K, Li N, Liu H, Zhang X, Liu W, Liu Y. Pathological mechanisms and crosstalk among different forms of cell death in systemic lupus erythematosus. J Autoimmun 2022; 132:102890. [PMID: 35963809 DOI: 10.1016/j.jaut.2022.102890] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 07/29/2022] [Indexed: 10/15/2022]
Abstract
Systemic lupus erythematosus (SLE) is a systemic autoimmune disorder characterized by a profound immune dysregulation and the presence of a variety of autoantibodies. Aberrant activation of programmed cell death (PCD) signaling and accelerated cell death is critical in the immunopathogenesis of SLE. Accumulating cellular components from the dead cells and ineffective clearance of the dead cell debris, in particular the nucleic acids and nucleic acids-protein complexes, provide a stable source of self-antigens, which potently activate auto-reactive B cells and promote IFN-I responses in SLE. Different cell types display distinct susceptibility and characteristics to a certain type of cell death, while different PCDs in various cells have mutual and intricate connections to promote immune dysregulation and contribute to the development of SLE. In this review, we discuss the role of various cell death pathways and their interactions in the pathogenesis of SLE. An in depth understanding of the interconnections among various forms cell death in SLE will lead to a better understanding of disease pathogenesis, shedding light on the development of novel therapeutic targets.
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Affiliation(s)
- Yue Xu
- Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Pengchong Li
- Department of Gastroenterology, Beijing Friendship Hospital, National Clinical Research Center for Digestive Diseases, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Diseases, Capital Medical University, Beijing, China
| | - Ketian Li
- Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Nannan Li
- Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Huazhen Liu
- Peking Union Medical College Hospital, Beijing, China
| | - Xuan Zhang
- Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Wei Liu
- Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China.
| | - Yudong Liu
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Beijing Hospital, National Center of Gerontology, National Health Commission, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, 100730, China.
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Telegin GB, Chernov AS, Kazakov VA, Romanova EA, Sharapova TN, Yashin DV, Gabibov AG, Sashchenko LP. A 8-mer Peptide of PGLYRP1/Tag7 Innate Immunity Protein Binds to TNFR1 Receptor and Inhibits TNFα-Induced Cytotoxic Effect and Inflammation. Front Immunol 2021; 12:622471. [PMID: 34163464 PMCID: PMC8215708 DOI: 10.3389/fimmu.2021.622471] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/28/2021] [Indexed: 12/14/2022] Open
Abstract
Search for novel regulatory protein fragments with potential functional roles is required both for understanding the immune response mechanisms and the development of targeted immunotherapy. Earlier we demonstrated that the PGLYRP1/Tag7 innate immunity protein can be regarded as an inhibitor of TNFα cytotoxic activity via the interaction with its TNF receptor 1 (TNFR1). A C-terminal peptide fragment 17.1 of the molecule is responsible for this function. In this study we have identified a minimal 8-mer region of this peptide (hereinafter – 17.1A) capable to bind to TNFR1. As a result of such interaction, the cytotoxic signals induced by this receptor are blocked. Also, this peptide demonstrates an anti-inflammatory activity in vivo in the complete Freund’s adjuvant (CFA)-induced arthritis model in laboratory mice. Peptide 17.1A is capable to reduce periarticular inflammation, inhibit the development of synovitis and exhibit a protective effect on cartilage and bone tissues. This peptide can turn out to be a promising medicinal agent for autoimmune arthritis and other diseases.
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Affiliation(s)
- Georgii B Telegin
- Animal Breeding Facility, Branch of Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Pushchino, Russia
| | - Aleksandr S Chernov
- Animal Breeding Facility, Branch of Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Pushchino, Russia
| | - Vitaly A Kazakov
- Animal Breeding Facility, Branch of Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Pushchino, Russia
| | - Elena A Romanova
- Laboratory of Molecular Immunogenetics of Cancer, Institute of Gene Biology Russian Academy of Science, Moscow, Russia
| | - Tatiana N Sharapova
- Laboratory of Molecular Immunogenetics of Cancer, Institute of Gene Biology Russian Academy of Science, Moscow, Russia
| | - Denis V Yashin
- Laboratory of Molecular Immunogenetics of Cancer, Institute of Gene Biology Russian Academy of Science, Moscow, Russia
| | - Alexander G Gabibov
- Laboratory of Biocatalysis, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS, Moscow, Russia
| | - Lidia P Sashchenko
- Laboratory of Molecular Immunogenetics of Cancer, Institute of Gene Biology Russian Academy of Science, Moscow, Russia
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