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Watanabe-Kusunoki K, Li C, Bandeira Honda TS, Zhao D, Kusunoki Y, Ku J, Long H, Klaus M, Han C, Braun A, Mammadova-Bach E, Linkermann A, Van Avondt K, Richter M, Soehnlein O, Linder MI, Klein C, Steiger S, Anders HJ. Gasdermin D drives focal crystalline thrombotic microangiopathy by accelerating immunothrombosis and necroinflammation. Blood 2024; 144:308-322. [PMID: 38657197 DOI: 10.1182/blood.2023021949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 04/15/2024] [Accepted: 04/15/2024] [Indexed: 04/26/2024] Open
Abstract
ABSTRACT Thrombotic microangiopathy (TMA) is characterized by immunothrombosis and life-threatening organ failure but the precise underlying mechanism driving its pathogenesis remains elusive. In this study, we hypothesized that gasdermin D (GSDMD), a pore-forming protein that serves as the final downstream effector of the pyroptosis/interleukin-1β (IL-1β) pathway, contributes to TMA and its consequences by amplifying neutrophil maturation and subsequent necrosis. Using a murine model of focal crystalline TMA, we found that Gsdmd deficiency ameliorated immunothrombosis, acute tissue injury, and failure. Gsdmd-/- mice exhibited a decrease in mature IL-1β, as well as in neutrophil maturation, β2-integrin activation, and recruitment to TMA lesions, in which they formed reduced neutrophil extracellular traps in both arteries and interstitial tissue. The GSDMD inhibitor disulfiram dose-dependently suppressed human neutrophil pyroptosis in response to cholesterol crystals. Experiments with GSDMD-deficient, human-induced, pluripotent stem cell-derived neutrophils confirmed the involvement of GSDMD in neutrophil β2-integrin activation, maturation, and pyroptosis. Both prophylactic and therapeutic administration of disulfiram protected the mice from focal TMA, acute tissue injury, and failure. Our data identified GSDMD as a key mediator of focal crystalline TMA and its consequences, including ischemic tissue infarction and organ failure. GSDMD could potentially serve as a therapeutic target for the systemic forms of TMA.
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Affiliation(s)
- Kanako Watanabe-Kusunoki
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Chenyu Li
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Tâmisa Seeko Bandeira Honda
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Danyang Zhao
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Yoshihiro Kusunoki
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - John Ku
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Hao Long
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
- Department of Urology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Martin Klaus
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Chao Han
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
- Walther Straub Institute for Pharmacology and Toxicology, Ludwig Maximilian University, Munich, Germany
| | - Attila Braun
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
- Walther Straub Institute for Pharmacology and Toxicology, Ludwig Maximilian University, Munich, Germany
| | - Elmina Mammadova-Bach
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
- Walther Straub Institute for Pharmacology and Toxicology, Ludwig Maximilian University, Munich, Germany
| | - Andreas Linkermann
- Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
- Division of Nephrology, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY
| | - Kristof Van Avondt
- Institute of Experimental Pathology, Centre of Molecular Biology of Inflammation, University of Münster, Münster, Germany
| | - Mathis Richter
- Institute of Experimental Pathology, Centre of Molecular Biology of Inflammation, University of Münster, Münster, Germany
| | - Oliver Soehnlein
- Institute of Experimental Pathology, Centre of Molecular Biology of Inflammation, University of Münster, Münster, Germany
| | - Monika I Linder
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität, Munich, Germany
| | - Christoph Klein
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universität, Munich, Germany
| | - Stefanie Steiger
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Hans-Joachim Anders
- Renal Division, Department of Medicine IV, Ludwig Maximilian University Hospital, Ludwig Maximilian University, Munich, Germany
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Li Y, Qin K, Liang W, Yan W, Fragoulis A, Pufe T, Buhl EM, Zhao Q, Greven J. Kidney Injury in a Murine Hemorrhagic Shock/Resuscitation Model Is Alleviated by sulforaphane's Anti-Inflammatory and Antioxidant Action. Inflammation 2024:10.1007/s10753-024-02106-2. [PMID: 39023831 DOI: 10.1007/s10753-024-02106-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 06/09/2024] [Accepted: 07/12/2024] [Indexed: 07/20/2024]
Abstract
Hemorrhagic shock/resuscitation (HS/R) can lead to acute kidney injury, mainly manifested as oxidative stress and inflammatory injury in the renal tubular epithelial cells, as well as abnormal autophagy and apoptosis. Sulforaphane (SFN), an agonist of the nuclear factor-erythroid factor 2-related factor 2 (Nrf2) signaling pathway, is involved in multiple biological activities, such as anti-inflammatory, antioxidant, autophagy, and apoptosis regulation. This study investigated the effect of SFN on acute kidney injury after HS/R in mice. Hemorrhagic shock was induced in mice by controlling the arterial blood pressure at a range of 35-45 mmHg for 90 min within arterial blood withdrawal. Fluid resuscitation was carried out by reintroducing withdrawn blood and 0.9% NaCl. We found that SFN suppressed the elevation of urea nitrogen and serum creatinine levels in the blood induced by HS/R. SFN mitigated pathological alterations including swollen renal tubules and renal casts in kidney tissue of HS/R mice. Inflammation levels and oxidative stress were significantly downregulated in mouse kidney tissue after SFN administration. In addition, the kidney tissue of HS/R mice showed high levels of autophagosomes as observed by electron microscopy. However, SFN can further enhance the formation of autophagosomes in the HS/R + SFN group. SFN also increased autophagy-related proteins Beclin1 expression and suppressed P62 expression, while increasing the ratio of microtubule-associated protein 1 light chain 3 (LC3)-II and LC3-I (LC3-II/LC3-I). SFN also effectively decreased cleaved caspase-3 level and enhanced the ratio of anti-apoptotic protein B cell lymphoma 2 and Bcl2-associated X protein (Bcl2/Bax). Collectively, SFN effectively inhibited inflammation and oxidative stress, enhanced autophagy, thereby reducing HS/R-induced kidney injury and apoptosis levels in mouse kidneys.
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Affiliation(s)
- You Li
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, Aachen, 52074, Germany
| | - Kang Qin
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, Aachen, 52074, Germany.
- Department of Shoulder and Elbow Surgery, Center for Orthopedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510630, China.
| | - Weiqiang Liang
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, Aachen, 52074, Germany
- Department of Bone and Joint Surgery, The First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, China
| | - Weining Yan
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, Aachen, 52074, Germany
| | - Athanassios Fragoulis
- Department of Anatomy and Cell Biology, RWTH Aachen University Hospital, Pauwelsstraße 30, Aachen, 52074, Germany
| | - Thomas Pufe
- Department of Anatomy and Cell Biology, RWTH Aachen University Hospital, Pauwelsstraße 30, Aachen, 52074, Germany
| | - Eva Miriam Buhl
- Department of Anatomy and Cell Biology, RWTH Aachen University Hospital, Pauwelsstraße 30, Aachen, 52074, Germany
- Electron Microscopy Facility, Institute for Pathology, RWTH Aachen University Hospital, Pauwelsstraße 30, Aachen, 52074, Germany
| | - Qun Zhao
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, Aachen, 52074, Germany
| | - Johannes Greven
- Department of Thoracic Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, Aachen, 52074, Germany
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Valiño-Rivas L, Pintor-Chocano A, Carriazo SM, Sanz AB, Ortiz A, Sanchez-Niño MD. Loss of NLRP6 increases the severity of kidney fibrosis. J Cell Physiol 2024. [PMID: 38934623 DOI: 10.1002/jcp.31347] [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: 04/12/2024] [Revised: 05/27/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024]
Abstract
While NLRP3 contributes to kidney fibrosis, the function of most NOD-like receptors (NLRs) in chronic kidney disease (CKD) remains unexplored. To identify further NLR members involved in the pathogenesis of CKD, we searched for NLR genes expressed by normal kidneys and differentially expressed in human CKD transcriptomics databases. For NLRP6, lower kidney expression correlated with decreasing glomerular filtration rate. The role and molecular mechanisms of Nlrp6 in kidney fibrosis were explored in wild-type and Nlrp6-deficient mice and cell cultures. Data mining of single-cell transcriptomics databases identified proximal tubular cells as the main site of Nlrp6 expression in normal human kidneys and tubular cell Nlrp6 was lost in CKD. We confirmed kidney Nlrp6 downregulation following murine unilateral ureteral obstruction. Nlrp6-deficient mice had higher kidney p38 MAPK activation and more severe kidney inflammation and fibrosis. Similar results were obtained in adenine-induced kidney fibrosis. Mechanistically, profibrotic cytokines transforming growth factor beta 1 (TGF-β1) and TWEAK decreased Nlrp6 expression in cultured tubular cells, and Nlrp6 downregulation resulted in increased TGF-β1 and CTGF expression through p38 MAPK activation, as well as in downregulation of the antifibrotic factor Klotho, suggesting that loss of Nlrp6 promotes maladaptive tubular cell responses. The pattern of gene expression following Nlrp6 targeting in cultured proximal tubular cells was consistent with maladaptive transitions for proximal tubular cells described in single-cell transcriptomics datasets. In conclusion, endogenous constitutive Nlrp6 dampens sterile kidney inflammation and fibrosis. Loss of Nlrp6 expression by tubular cells may contribute to CKD progression.
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Grants
- Sociedad Española de Nefrología, Comunidad de Madrid en Biomedicina P2022/BMD-7223, CIFRA_COR-CM and COST Action PERMEDIK CA21165, supported by COST (European Cooperation in Science and Technology). MDSN and ABS were supported by MICINN Ramon y Cajal program RYC2018-024461-I and RYC2019-026916-I respectively. IIS- Fundacion Jimenez Diaz Biobank, part of the Spanish Biobanks Platform (PT17/0015/0006)
- MICINN
- This work was supported by Instituto de Salud Carlos III (ISCIII)-FIS/Fondo Europeo de Desarrollo Regional FEDER grants (PI18/01366, PI21/00251, PI22/00050, PI22/00469), Ministerio de Ciencia e Innovación y Agencia Estatal de Investigación/Next Generation EU (CNS2022-135937), ERA- PerMed-JTC2022 (SPAREKID AC22/00027), RICORS program to RICORS2040 (RD21/0005/0001) funded by European Union - NextGenerationEU, Mecanismo para la Recuperación y la Resiliencia (MRR) and SPACKDc PMP21/00109 FEDER
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Affiliation(s)
- Lara Valiño-Rivas
- Division of Nephrology, Nephrology and Hypertension Laboratory, FIIS-Fundacion Jimenez Diaz, Madrid, Spain
- Division of Nephrology, RICORS2040, Madrid, Spain
| | - Aranzazu Pintor-Chocano
- Division of Nephrology, Nephrology and Hypertension Laboratory, FIIS-Fundacion Jimenez Diaz, Madrid, Spain
- Division of Nephrology, RICORS2040, Madrid, Spain
| | - Sol M Carriazo
- Division of Nephrology, Nephrology and Hypertension Laboratory, FIIS-Fundacion Jimenez Diaz, Madrid, Spain
- Division of Nephrology, RICORS2040, Madrid, Spain
| | - Ana B Sanz
- Division of Nephrology, Nephrology and Hypertension Laboratory, FIIS-Fundacion Jimenez Diaz, Madrid, Spain
- Division of Nephrology, RICORS2040, Madrid, Spain
| | - Alberto Ortiz
- Division of Nephrology, Nephrology and Hypertension Laboratory, FIIS-Fundacion Jimenez Diaz, Madrid, Spain
- Division of Nephrology, RICORS2040, Madrid, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad Autonoma de Madrid, Madrid, Spain
| | - Maria D Sanchez-Niño
- Division of Nephrology, Nephrology and Hypertension Laboratory, FIIS-Fundacion Jimenez Diaz, Madrid, Spain
- Division of Nephrology, RICORS2040, Madrid, Spain
- Departamento de Farmacologia, Facultad de Medicina, Universidad Autonoma de Madrid, Madrid, Spain
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Li N, Steiger S, Zhong M, Lu M, Lei Y, Tang C, Chen J, Guo Y, Li J, Zhang D, Li J, Zhu E, Zheng Z, Lichtnekert J, Chen Y, Wang X. IRF8 maintains mononuclear phagocyte and neutrophil function in acute kidney injury. Heliyon 2024; 10:e31818. [PMID: 38845872 PMCID: PMC11153194 DOI: 10.1016/j.heliyon.2024.e31818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 05/22/2024] [Accepted: 05/22/2024] [Indexed: 06/09/2024] Open
Abstract
Immune cells are key players in acute tissue injury and inflammation, including acute kidney injury (AKI). Their development, differentiation, activation status, and functions are mediated by a variety of transcription factors, such as interferon regulatory factor 8 (IRF8) and IRF4. We speculated that IRF8 has a pathophysiologic impact on renal immune cells in AKI and found that IRF8 is highly expressed in blood type 1 conventional dendritic cells (cDC1s), monocytes, monocyte-derived dendritic cells (moDCs) and kidney biopsies from patients with AKI. In a mouse model of ischemia‒reperfusion injury (IRI)-induced AKI, Irf8 -/- mice displayed increased tubular cell necrosis and worsened kidney dysfunction associated with the recruitment of a substantial amount of monocytes and neutrophils but defective renal infiltration of cDC1s and moDCs. Mechanistically, global Irf8 deficiency impaired moDC and cDC1 maturation and activation, as well as cDC1 proliferation, antigen uptake, and trafficking to lymphoid organs for T-cell priming in ischemic AKI. Moreover, compared with Irf8 +/+ mice, Irf8 -/- mice exhibited increased neutrophil recruitment and neutrophil extracellular trap (NET) formation following AKI. IRF8 primarily regulates cDC1 and indirectly neutrophil functions, and thereby protects mice from kidney injury and inflammation following IRI. Our results demonstrate that IRF8 plays a predominant immunoregulatory role in cDC1 function and therefore represents a potential therapeutic target in AKI.
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Affiliation(s)
- Na Li
- Department of Nephrology, Center of Kidney and Urology, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
- Scientific Research Center, Edmond H. Fischer Translational Medical Research Laboratory, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Stefanie Steiger
- Renal Division, Department of Medicine IV, Ludwig-Maximilians-University Hospital, Ludwig-Maximilian-University Munich, 80336, Munich, Bavaria, Germany
| | - Ming Zhong
- Department of Nephrology, Center of Kidney and Urology, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Meihua Lu
- Department of Geriatrics, People's Hospital of Banan District, 401320, Chongqing, China
| | - Yan Lei
- Department of Nephrology, Center of Kidney and Urology, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Chun Tang
- Department of Nephrology, Center of Kidney and Urology, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Jiasi Chen
- Department of Nephrology, Center of Kidney and Urology, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Yao Guo
- Scientific Research Center, Edmond H. Fischer Translational Medical Research Laboratory, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Jinhong Li
- Department of Nephrology, Center of Kidney and Urology, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Dengyang Zhang
- Scientific Research Center, Edmond H. Fischer Translational Medical Research Laboratory, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Jingyi Li
- Department of Pulmonary & Critical Care Medicine, Shenzhen Hospital of Southern Medical University, 518107, Shenzhen, China
| | - Enyi Zhu
- Department of Nephrology, Center of Kidney and Urology, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Zhihua Zheng
- Department of Nephrology, Center of Kidney and Urology, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Julia Lichtnekert
- Renal Division, Department of Medicine IV, Ludwig-Maximilians-University Hospital, Ludwig-Maximilian-University Munich, 80336, Munich, Bavaria, Germany
| | - Yun Chen
- Scientific Research Center, Edmond H. Fischer Translational Medical Research Laboratory, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
| | - Xiaohua Wang
- Department of Nephrology, Center of Kidney and Urology, The Seventh Affiliated Hospital, Sun Yat-Sen University, 518107, Shenzhen, China
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Islamuddin M, Qin X. Renal macrophages and NLRP3 inflammasomes in kidney diseases and therapeutics. Cell Death Discov 2024; 10:229. [PMID: 38740765 DOI: 10.1038/s41420-024-01996-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/22/2024] [Accepted: 04/26/2024] [Indexed: 05/16/2024] Open
Abstract
Macrophages are exceptionally diversified cell types and perform unique features and functions when exposed to different stimuli within the specific microenvironment of various kidney diseases. In instances of kidney tissue necrosis or infection, specific patterns associated with damage or pathogens prompt the development of pro-inflammatory macrophages (M1). These M1 macrophages contribute to exacerbating tissue damage, inflammation, and eventual fibrosis. Conversely, anti-inflammatory macrophages (M2) arise in the same circumstances, contributing to kidney repair and regeneration processes. Impaired tissue repair causes fibrosis, and hence macrophages play a protective and pathogenic role. In response to harmful stimuli within the body, inflammasomes, complex assemblies of multiple proteins, assume a pivotal function in innate immunity. The initiation of inflammasomes triggers the activation of caspase 1, which in turn facilitates the maturation of cytokines, inflammation, and cell death. Macrophages in the kidneys possess the complete elements of the NLRP3 inflammasome, including NLRP3, ASC, and pro-caspase-1. When the NLRP3 inflammasomes are activated, it triggers the activation of caspase-1, resulting in the release of mature proinflammatory cytokines (IL)-1β and IL-18 and cleavage of Gasdermin D (GSDMD). This activation process therefore then induces pyroptosis, leading to renal inflammation, cell death, and renal dysfunction. The NLRP3-ASC-caspase-1-IL-1β-IL-18 pathway has been identified as a factor in the development of the pathophysiology of numerous kidney diseases. In this review, we explore current progress in understanding macrophage behavior concerning inflammation, injury, and fibrosis in kidneys. Emphasizing the pivotal role of activated macrophages in both the advancement and recovery phases of renal diseases, the article delves into potential strategies to modify macrophage functionality and it also discusses emerging approaches to selectively target NLRP3 inflammasomes and their signaling components within the kidney, aiming to facilitate the healing process in kidney diseases.
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Affiliation(s)
- Mohammad Islamuddin
- Division of Comparative Pathology, Tulane National Primate Research Center, Tulane University School of Medicine, Tulane University, 18703 Three Rivers Road, Covington, LA, 70433, USA.
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, LA, 70112, USA.
| | - Xuebin Qin
- Division of Comparative Pathology, Tulane National Primate Research Center, Tulane University School of Medicine, Tulane University, 18703 Three Rivers Road, Covington, LA, 70433, USA.
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, LA, 70112, USA.
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Li Z, He R, Liu J, Jin X, Jiang B, Lao Y, Yang S. JianPiYiShen formula prevents cisplatin-induced acute kidney injury in mice by improving necroptosis through MAPK pathway. BMC Complement Med Ther 2024; 24:101. [PMID: 38402163 PMCID: PMC10893720 DOI: 10.1186/s12906-024-04366-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 01/19/2024] [Indexed: 02/26/2024] Open
Abstract
BACKGROUND Acute kidney injury (AKI), characterized by necroptosis and activation of MAPK pathway, causes sudden declines in renal function. To date, efficacious treatments are lacking. JianPiYiShen Formula (JPYSF) has a protective effect on the kidneys. The aim of this study is to explore the mechanism of JPYSF in cisplatin-induced AKI. METHODS Male C57/BL6J mice were divided into control group, cisplatin group and cisplatin + JPYSF group. Before establishing the model, the cisplatin + JPYSF group was administered JPYSF (18.35 g/kg/day) by gavage for 5 consecutive days. A single intraperitoneal injection of cisplatin (20 mg/kg) was used to establish AKI model. Measurement of renal function and H&E staining were performed to assess renal damage. WB, PCR, TUNEL staining and immunohistochemistry were used to detect related indicators of mitochondrial function, oxidative stress, necroptosis, inflammation and MAPK pathway. And one-way analysis of variance was used to compare group differences. RESULTS Compared with the cisplatin group, JPYSF can attenuate AKI, reflected by the decrease in Scr and BUN levels, the improvement of renal tubular injury, and the downregulation of NGAL and KIM1. Cisplatin can induce mitochondrial dysfunction and oxidative stress, triggering necroptosis. In this study, JPYSF improved mitochondrial dysfunction to enhance oxidative stress, as manifested by upregulation of OPA1, PGC-1α, SOD and CAT, and downregulation of DRP1 and MFF. Then JPYSF showed a significant protective effect in necroptosis, as embodied by reduced number of TUNEL-positive cells, decreased the gene expression of RIPK3 and MLKL, as well as downregulation the proteins expression of P-RIPK1, P-RIPK3, and P-MLKL. Moreover, necroptosis can aggravate inflammation. JPYSF ameliorated inflammation by improving inflammatory and anti-inflammatory indexes, including downregulation of TNF-α, IL-6, MCP-1 and LY6G, and upregulation of IL-10. In addition, JPYSF also inhibited MAPK pathway to improve necroptosis by decreasing the expression of P-JNK and P-ERK. CONCLUSION Our data showed that JPYSF prevents cisplatin-induced AKI by improving necroptosis through MAPK pathway, which is related to the improvement of mitochondrial dysfunction, oxidative stress, and inflammation.
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Affiliation(s)
- Zhongtang Li
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, No.1, Fuhua Road, Futian District, Shenzhen, Guangdong, 518033, China
| | - Riming He
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, No.1, Fuhua Road, Futian District, Shenzhen, Guangdong, 518033, China
| | - Jiahui Liu
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, No.1, Fuhua Road, Futian District, Shenzhen, Guangdong, 518033, China
| | - Xiaoming Jin
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, No.1, Fuhua Road, Futian District, Shenzhen, Guangdong, 518033, China
| | - Beibei Jiang
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, No.1, Fuhua Road, Futian District, Shenzhen, Guangdong, 518033, China
| | - Yunlan Lao
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, No.1, Fuhua Road, Futian District, Shenzhen, Guangdong, 518033, China
| | - Shudong Yang
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, No.1, Fuhua Road, Futian District, Shenzhen, Guangdong, 518033, China.
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7
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Zeng J, Zhang Y, Huang C. Macrophages polarization in renal inflammation and fibrosis animal models (Review). Mol Med Rep 2024; 29:29. [PMID: 38131228 PMCID: PMC10784723 DOI: 10.3892/mmr.2023.13152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/01/2023] [Indexed: 12/23/2023] Open
Abstract
Chronic kidney disease (CKD) is a significant public health concern. Renal fibrosis is the final common pathway in the progression of kidney diseases, irrespective of the initial injury. Substantial evidence underscores the pivotal role of renal inflammation in the genesis of renal fibrosis. The presence of macrophages within normal renal tissue is significantly increased within diseased renal tissue, indicative of their crucial regulatory function in inflammation and fibrosis. Macrophages manifest a high degree of heterogeneity, exhibiting distinct phenotypic and functional traits in response to diverse stimuli within the local microenvironment in various types of kidney diseases. Broadly, macrophages are categorized into two principal groups: Classically activated, designated as M1 macrophages and alternatively activated, designated as M2 macrophages. A number of experimental models are widely used to study the underlying mechanisms driving renal inflammation and fibrosis progression. The present review delineated the phenotypic and functional attributes of macrophages present in diverse induced models, analyzing their disposition in relation to M1 and M2 polarization states.
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Affiliation(s)
- Ji Zeng
- Department of Pharmacy, Ma'anshan City Hospital of Traditional Chinese Medicine, Ma'anshan, Anhui 243000, P.R. China
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, Anhui 230032, P.R. China
| | - Yuan Zhang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, Anhui 230032, P.R. China
| | - Cheng Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, Anhui 230032, P.R. China
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Zhu B, He J, Ye X, Pei X, Bai Y, Gao F, Guo L, Yong H, Zhao W. Role of Cisplatin in Inducing Acute Kidney Injury and Pyroptosis in Mice via the Exosome miR-122/ELAVL1 Regulatory Axis. Physiol Res 2023; 72:753-765. [PMID: 38215062 PMCID: PMC10805259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 09/20/2023] [Indexed: 01/14/2024] Open
Abstract
Although cisplatin is an effective chemotherapy drug for the treatment of various cancers, its clinical use is limited due to its side effects, especially nephrotoxicity. Unfortunately, acute kidney injury (AKI) caused by cisplatin remains one of the main challenges in effective cancer treatment. Evidence increasingly suggests that renal inflammation and pyroptotic inflammatory cell death of renal tubular epithelial cells (RTECs) mainly determine the progression and outcome of cisplatin-induced AKI. However, it is not clear how cisplatin regulates the pyroptosis of RTECs cells in AKI. The current study aimed to determine the regulation mechanism of AKI induced by cisplatin. We used cisplatin to induce AKI in vivo. We performed H&E staining of mouse kidney tissue sections and evaluated serological indicators of kidney injury (including blood urea nitrogen (BUN), serum creatinine, and tumor necrosis factor-alpha (TNF-alpha)). We used immunohistochemistry and western blot to detect the important substrate protein gasdermin D (GSDMD) and key target caspase-1 of pyroptosis, respectively. Cisplatin induced mouse AKI and RTECs pyroptosis. HK2 cell-derived exosomes treated with cisplatin influenced pyroptosis of the surrounding HK2 cells. Cisplatin-treated HK2 cells exosome-derived miR-122 regulated pyroptosis in the surrounding cells. Exosome-derived miR-122 affected cisplatin-induced AKI and HK2 cells pyroptosis by regulating the expression of embryonic lethal abnormal vision (ELAVL1). These results suggest that exosome miR-122 inhibited pyroptosis and AKI by targeting ELAVL1 under cisplatin treatment, and this offers a potential target for the treatment of AKI.
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Affiliation(s)
- B Zhu
- Department of Geriatric, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
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9
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Jung KH, Kim SE, Go HG, Lee YJ, Park MS, Ko S, Han BS, Yoon YC, Cho YJ, Lee P, Lee SH, Kim K, Hong SS. Synergistic Renoprotective Effect of Melatonin and Zileuton by Inhibition of Ferroptosis via the AKT/mTOR/NRF2 Signaling in Kidney Injury and Fibrosis. Biomol Ther (Seoul) 2023; 31:599-610. [PMID: 37183002 PMCID: PMC10616517 DOI: 10.4062/biomolther.2023.062] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/07/2023] [Accepted: 04/17/2023] [Indexed: 05/16/2023] Open
Abstract
According to recent evidence, ferroptosis is a major cell death mechanism in the pathogenesis of kidney injury and fibrosis. Despite the renoprotective effects of classical ferroptosis inhibitors, therapeutic approaches targeting kidney ferroptosis remain limited. In this study, we assessed the renoprotective effects of melatonin and zileuton as a novel therapeutic strategy against ferroptosis-mediated kidney injury and fibrosis. First, we identified RSL3-induced ferroptosis in renal tubular epithelial HK-2 and HKC-8 cells. Lipid peroxidation and cell death induced by RSL3 were synergistically mitigated by the combination of melatonin and zileuton. Combination treatment significantly downregulated the expression of ferroptosis-associated proteins, 4-HNE and HO-1, and upregulated the expression of GPX4. The expression levels of p-AKT and p-mTOR also increased, in addition to that of NRF2 in renal tubular epithelial cells. When melatonin (20 mg/kg) and zileuton (20 mg/kg) were administered to a unilateral ureteral obstruction (UUO) mouse model, the combination significantly reduced tubular injury and fibrosis by decreasing the expression of profibrotic markers, such as α-SMA and fibronectin. More importantly, the combination ameliorated the increase in 4-HNE levels and decreased GPX4 expression in UUO mice. Overall, the combination of melatonin and zileuton was found to effectively ameliorate ferroptosis-related kidney injury by upregulating the AKT/mTOR/ NRF2 signaling pathway, suggesting a promising therapeutic strategy for protection against ferroptosis-mediated kidney injury and fibrosis.
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Affiliation(s)
- Kyung Hee Jung
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
| | - Sang Eun Kim
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
| | - Han Gyeol Go
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
| | - Yun Ji Lee
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
| | - Min Seok Park
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
| | - Soyeon Ko
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
| | - Beom Seok Han
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
| | - Young-Chan Yoon
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
| | - Ye Jin Cho
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
| | - Pureunchowon Lee
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
| | - Sang-Ho Lee
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Kipyo Kim
- Divison of Nephrology and Hypertension, Department of Internal Medicine, Inha University Hospital, Inha University College of Medicine, Incheon 22332, Republic of Korea
| | - Soon-Sun Hong
- Department of Medicine, College of Medicine, and Program in Biomedical Science & Engineering, Inha University, Incheon 22332, Republic of Korea
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10
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García-Giménez J, Córdoba-David G, Rayego-Mateos S, Cannata-Ortiz P, Carrasco S, Ruiz-Ortega M, Fernandez-Fernandez B, Ortiz A, Ramos AM. STING1 deficiency ameliorates immune-mediated crescentic glomerulonephritis in mice. J Pathol 2023; 261:309-322. [PMID: 37650295 DOI: 10.1002/path.6177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 07/10/2023] [Accepted: 07/20/2023] [Indexed: 09/01/2023]
Abstract
Rapidly progressive/crescentic glomerulonephritis (RPGN/CGN) involves the formation of glomerular crescents by maladaptive differentiation of parietal epithelial cells that leads to rapid loss of renal function. The molecular mechanisms of crescent formation are poorly understood. Therefore, new insights into molecular mechanisms could identify alternative therapeutic targets for RPGN/CGN. Analysis of kidney biopsies from patients with RPGN revealed increased interstitial, glomerular, and tubular expression of STING1, an accessory protein of the c-GAS-dependent DNA-sensing pathway, which was also observed in murine nephrotoxic nephritis induced by an anti-GBM antibody. STING1 was expressed by key cell types involved in RPGN and crescent formation such as glomerular parietal epithelial cells, and tubular cells as well as by inflammation accessory cells. In functional in vivo studies, Sting1-/- mice with nephrotoxic nephritis had lower kidney cytokine expression, milder kidney infiltration by innate and adaptive immune cells, and decreased disease severity. Pharmacological STING1 inhibition mirrored these findings. Direct STING1 agonism in parietal and tubular cells activated the NF-κB-dependent cytokine response and the interferon-induced genes (ISGs) program. These responses were also triggered in a STING1-dependent manner by the pro-inflammatory cytokine TWEAK. These results identify STING1 activation as a pathological mechanism in RPGN/CGN and TWEAK as an activator of STING1. Pharmacological strategies targeting STING1, or upstream regulators may therefore be potential alternatives to treat RPGN. © 2023 The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Jorge García-Giménez
- Department of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-Universidad Autónoma de Madrid, Madrid, Spain
| | - Gina Córdoba-David
- Department of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-Universidad Autónoma de Madrid, Madrid, Spain
| | - Sandra Rayego-Mateos
- Cellular Biology in Renal Diseases Laboratory, IIS-Fundación Jiménez Díaz-Universidad Autónoma de Madrid, Madrid, Spain
| | - Pablo Cannata-Ortiz
- Department of Pathology, IIS-Fundación Jiménez Díaz-Universidad Autónoma de Madrid, Madrid, Spain
| | - Susana Carrasco
- Department of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-Universidad Autónoma de Madrid, Madrid, Spain
| | - Marta Ruiz-Ortega
- Cellular Biology in Renal Diseases Laboratory, IIS-Fundación Jiménez Díaz-Universidad Autónoma de Madrid, Madrid, Spain
- RICORS2040, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Beatriz Fernandez-Fernandez
- Department of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-Universidad Autónoma de Madrid, Madrid, Spain
- RICORS2040, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Medicine, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Alberto Ortiz
- Department of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-Universidad Autónoma de Madrid, Madrid, Spain
- RICORS2040, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Pharmacology, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Adrián M Ramos
- Department of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-Universidad Autónoma de Madrid, Madrid, Spain
- RICORS2040, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
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11
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Sun C, Shi H, Zhao X, Chang YL, Wang X, Zhu S, Sun S. The Activation of cGAS-STING in Acute Kidney Injury. J Inflamm Res 2023; 16:4461-4470. [PMID: 37842189 PMCID: PMC10576462 DOI: 10.2147/jir.s423232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 09/01/2023] [Indexed: 10/17/2023] Open
Abstract
The activation of the cGAS-STING pathway is associated with many sterile inflammatory and inflammatory conditions, including acute kidney injury. As a cytoplasmic DNA sensor, sensitization of the cGAS-STING pathway can ignite the innate immune response in vivo and trigger a series of biological effects. In recent years, there is increasing evidence showing that the cGAS-STING pathway plays a vital role in acute kidney injury, a non-inflammatory disease induced by activation of innate immune cells, and closely related to intracellular reactive oxygen species, mitochondrial DNA, and the cGAS-STING pathway. This review provides a prospect of the cGAS-STING pathway and its relationship to acute kidney injury.
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Affiliation(s)
- Chuanchuan Sun
- Department of Nephrology, The First Affiliated Hospital of Jinan University, Guangzhou, People’s Republic of China
| | - Heng Shi
- Department of Nephrology, The First Affiliated Hospital of Jinan University, Guangzhou, People’s Republic of China
| | - Xinhai Zhao
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, People’s Republic of China
| | - Yu-Ling Chang
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, People’s Republic of China
| | - Xianghong Wang
- Department of Endocrinology and Metabolism, Zhuhai Hospital Affiliated with Jinan University (Zhuhai People’s Hospital), Zhuhai, People’s Republic of China
| | - Shiping Zhu
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, People’s Republic of China
| | - Shengyun Sun
- Department of Nephrology, The First Affiliated Hospital of Jinan University, Guangzhou, People’s Republic of China
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12
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Affiliation(s)
- Stefanie Steiger
- Renal Division, Department of Medicine IV, Ludwig-Maximilians-University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany
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13
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Shi C, Mammadova-Bach E, Li C, Liu D, Anders HJ. Pathophysiology and targeted treatment of cholesterol crystal embolism and the related thrombotic angiopathy. FASEB J 2023; 37:e23179. [PMID: 37676696 DOI: 10.1096/fj.202301316r] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/17/2023] [Accepted: 08/23/2023] [Indexed: 09/08/2023]
Abstract
Cholesterol crystal (CC) embolism is a complication of advanced atherosclerotic plaques located in the major arteries. This pathological condition is primarily induced by interventional and surgical procedures or occurs spontaneously. CC can induce a wide range of tissue injuries including CC embolism syndrome, a spontaneous or intervention-induced complication of advanced atherosclerosis, while treatment of CC embolism has remained empiric. Vascular occlusions caused by CC embolism may exceed the ischemia tolerance of many tissues, particularly when small arteries are affected. The main approach to CC embolism is primary prophylaxis in patients at risk by stabilizing atherosclerotic plaques and avoiding unnecessary catheter interventions. During CC embolism, the use of platelet inhibitors to avoid abnormal activation and aggregation and anticoagulants may reduce the risk of vascular occlusions and tissue ischemia. This probably explains the relatively low prevalence of clinical manifestations of CC embolism, which are frequently found in autopsy studies. In this review, we summarized the current knowledge on the pathophysiology of CC embolism syndrome deriving from clinical observations and experimental mouse models. Furthermore, we described the risk factors of CC embolism in humans as well as the experimental studies based on empiric treatments. We also discuss potential therapeutic interventions based on recent experimental data and emerging drug options evolving from other research domains. Given the substantial unmet medical need to improve the outcomes of CC embolism, the identification of effective treatment strategies is urgently needed.
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Affiliation(s)
- Chongxu Shi
- Nantong Laboratory of Development and Diseases, School of Life Sciences, Medical College, Nantong University, Nantong, China
| | - Elmina Mammadova-Bach
- Renal Division, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Ludwig-Maximilians University Munich, Munich, Germany
- Walther-Straub-Institute for Pharmacology and Toxicology, Ludwig-Maximilians University Munich, Munich, Germany
| | - Cong Li
- Renal Division, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Ludwig-Maximilians University Munich, Munich, Germany
| | - Dong Liu
- Nantong Laboratory of Development and Diseases, School of Life Sciences, Medical College, Nantong University, Nantong, China
| | - Hans-Joachim Anders
- Renal Division, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Ludwig-Maximilians University Munich, Munich, Germany
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14
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Chen X, Hocher CF, Shen L, Krämer BK, Hocher B. Reno- and cardioprotective molecular mechanisms of SGLT2 inhibitors beyond glycemic control: from bedside to bench. Am J Physiol Cell Physiol 2023; 325:C661-C681. [PMID: 37519230 DOI: 10.1152/ajpcell.00177.2023] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 08/01/2023]
Abstract
Large placebo-controlled clinical trials have shown that sodium-glucose cotransporter-2 inhibitors (SGLT2i) delay the deterioration of renal function and reduce cardiovascular events in a glucose-independent manner, thereby ultimately reducing mortality in patients with chronic kidney disease (CKD) and/or heart failure. These existing clinical data stimulated preclinical studies aiming to understand the observed clinical effects. In animal models, it was shown that the beneficial effect of SGLT2i on the tubuloglomerular feedback (TGF) improves glomerular pressure and reduces tubular workload by improving renal hemodynamics, which appears to be dependent on salt intake. High salt intake might blunt the SGLT2i effects on the TGF. Beyond the salt-dependent effects of SGLT2i on renal hemodynamics, SGLT2i inhibited several key aspects of macrophage-mediated renal inflammation and fibrosis, including inhibiting the differentiation of monocytes to macrophages, promoting the polarization of macrophages from a proinflammatory M1 phenotype to an anti-inflammatory M2 phenotype, and suppressing the activation of inflammasomes and major proinflammatory factors. As macrophages are also important cells mediating atherosclerosis and myocardial remodeling after injury, the inhibitory effects of SGLT2i on macrophage differentiation and inflammatory responses may also play a role in stabilizing atherosclerotic plaques and ameliorating myocardial inflammation and fibrosis. Recent studies suggest that SGLT2i may also act directly on the Na+/H+ exchanger and Late-INa in cardiomyocytes thus reducing Na+ and Ca2+ overload-mediated myocardial damage. In addition, the renal-cardioprotective mechanisms of SGLT2i include systemic effects on the sympathetic nervous system, blood volume, salt excretion, and energy metabolism.
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Affiliation(s)
- Xin Chen
- Department of Nephrology, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Fifth Department of Medicine (Nephrology/Endocrinology/Rheumatology/Pneumology), University Medical Centre Mannheim, University of Heidelberg, Heidelberg, Germany
| | - Carl-Friedrich Hocher
- Fifth Department of Medicine (Nephrology/Endocrinology/Rheumatology/Pneumology), University Medical Centre Mannheim, University of Heidelberg, Heidelberg, Germany
- Klinik für Innere Medizin, Bundeswehrkrankenhaus Berlin, Berlin, Germany
| | - Linghong Shen
- Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bernhard K Krämer
- Fifth Department of Medicine (Nephrology/Endocrinology/Rheumatology/Pneumology), University Medical Centre Mannheim, University of Heidelberg, Heidelberg, Germany
| | - Berthold Hocher
- Fifth Department of Medicine (Nephrology/Endocrinology/Rheumatology/Pneumology), University Medical Centre Mannheim, University of Heidelberg, Heidelberg, Germany
- Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China
- Institute of Reproductive and Stem Cell Engineering, NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, School of Basic Medical Science, Central South University, Changsha, China
- IMD Institut für Medizinische Diagnostik Berlin-Potsdam GbR, Berlin, Germany
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15
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Shiratori-Aso S, Nakazawa D, Kudo T, Kanda M, Ueda Y, Watanabe-Kusunoki K, Nishio S, Iwasaki S, Tsuji T, Masuda S, Tomaru U, Ishizu A, Atsumi T. CD47 blockade ameliorates autoimmune vasculitis via efferocytosis of neutrophil extracellular traps. JCI Insight 2023; 8:e167486. [PMID: 37368493 PMCID: PMC10445685 DOI: 10.1172/jci.insight.167486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 06/23/2023] [Indexed: 06/29/2023] Open
Abstract
Neutrophil extracellular trap (NET) formation contributes to immune defense and is a distinct form of cell death. Excessive NET formation is found in patients with anti-neutrophil cytoplasmic antibody-associated (ANCA-associated) vasculitis (AAV), contributing to disease progression. The clearance of dead cells by macrophages, a process known as efferocytosis, is regulated by the CD47-mediated "don't eat me" signal. Hence, we hypothesized that pathogenic NETs in AAV escape from efferocytosis via the CD47 signaling pathway, resulting in the development of necrotizing vasculitis. Immunostaining for CD47 in human renal tissues revealed high CD47 expression in crescentic glomerular lesions of patients with AAV. In ex vivo studies, ANCA-induced netting neutrophils increased the expression of CD47 with the reduction of efferocytosis. After efferocytosis, macrophages displayed proinflammatory phenotypes. The blockade of CD47 in spontaneous crescentic glomerulonephritis-forming/Kinjoh (SCG/Kj) mice ameliorated renal disease and reduced myeloperoxidase-ANCA (MPO-ANCA) titers with a reduction in NET formation. Thus, CD47 blockade would protect against developing glomerulonephritis in AAV via restored efferocytosis of ANCA-induced NETs.
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Affiliation(s)
- Satoka Shiratori-Aso
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Daigo Nakazawa
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Takashi Kudo
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Masatoshi Kanda
- Division of Rheumatology and Clinical Immunology, Sapporo Medical University, Sapporo, Japan
| | - Yusho Ueda
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kanako Watanabe-Kusunoki
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Saori Nishio
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Sari Iwasaki
- Department of Pathology, Sapporo City General Hospital, Sapporo, Japan
| | - Takahiro Tsuji
- Department of Pathology, Sapporo City General Hospital, Sapporo, Japan
| | - Sakiko Masuda
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Utano Tomaru
- Department of Pathology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Akihiro Ishizu
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Tatsuya Atsumi
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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16
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DiKun KM, Gudas LJ. Vitamin A and retinoid signaling in the kidneys. Pharmacol Ther 2023; 248:108481. [PMID: 37331524 PMCID: PMC10528136 DOI: 10.1016/j.pharmthera.2023.108481] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/18/2023] [Accepted: 06/14/2023] [Indexed: 06/20/2023]
Abstract
Vitamin A (VA, retinol) and its metabolites (commonly called retinoids) are required for the proper development of the kidney during embryogenesis, but retinoids also play key roles in the function and repair of the kidney in adults. Kidneys filter 180-200 liters of blood per day and each kidney contains approximately 1 million nephrons, which are often referred to as the 'functional units' of the kidney. Each nephron consists of a glomerulus and a series of tubules (proximal tubule, loop of Henle, distal tubule, and collecting duct) surrounded by a network of capillaries. VA is stored in the liver and converted to active metabolites, most notably retinoic acid (RA), which acts as an agonist for the retinoic acid receptors ((RARs α, β, and γ) to regulate gene transcription. In this review we discuss some of the actions of retinoids in the kidney after injury. For example, in an ischemia-reperfusion model in mice, injury-associated loss of proximal tubule (PT) differentiation markers occurs, followed by re-expression of these differentiation markers during PT repair. Notably, healthy proximal tubules express ALDH1a2, the enzyme that metabolizes retinaldehyde to RA, but transiently lose ALDH1a2 expression after injury, while nearby myofibroblasts transiently acquire RA-producing capabilities after injury. These results indicate that RA is important for renal tubular injury repair and that compensatory mechanisms exist for the generation of endogenous RA by other cell types upon proximal tubule injury. ALDH1a2 levels also increase in podocytes, epithelial cells of the glomeruli, after injury, and RA promotes podocyte differentiation. We also review the ability of exogenous, pharmacological doses of RA and receptor selective retinoids to treat numerous kidney diseases, including kidney cancer and diabetic kidney disease, and the emerging genetic evidence for the importance of retinoids and their receptors in maintaining or restoring kidney function after injury. In general, RA has a protective effect on the kidney after various types of injuries (eg. ischemia, cytotoxic actions of chemicals, hyperglycemia related to diabetes). As more research into the actions of each of the three RARs in the kidney is carried out, a greater understanding of the actions of vitamin A is likely to lead to new insights into the pathology of kidney disorders and the development of new therapies for kidney diseases.
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Affiliation(s)
- Krysta M DiKun
- Department of Pharmacology, Weill Cornell Medical College of Cornell University, New York, NY, USA; New York Presbyterian Hospital, New York, NY, USA; Weill Cornell Graduate School of Medical Sciences, New York, NY, USA
| | - Lorraine J Gudas
- Department of Pharmacology, Weill Cornell Medical College of Cornell University, New York, NY, USA; Department of Urology, Weill Cornell Medicine, New York, NY, USA; New York Presbyterian Hospital, New York, NY, USA; Weill Cornell Graduate School of Medical Sciences, New York, NY, USA.
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17
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Bhatia D, Choi ME. Autophagy and mitophagy: physiological implications in kidney inflammation and diseases. Am J Physiol Renal Physiol 2023; 325:F1-F21. [PMID: 37167272 PMCID: PMC10292977 DOI: 10.1152/ajprenal.00012.2023] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 04/25/2023] [Accepted: 05/09/2023] [Indexed: 05/13/2023] Open
Abstract
Autophagy is a ubiquitous intracellular cytoprotective quality control program that maintains cellular homeostasis by recycling superfluous cytoplasmic components (lipid droplets, protein, or glycogen aggregates) and invading pathogens. Mitophagy is a selective form of autophagy that by recycling damaged mitochondrial material, which can extracellularly act as damage-associated molecular patterns, prevents their release. Autophagy and mitophagy are indispensable for the maintenance of kidney homeostasis and exert crucial functions during both physiological and disease conditions. Impaired autophagy and mitophagy can negatively impact the pathophysiological state and promote its progression. Autophagy helps in maintaining structural integrity of the kidney. Mitophagy-mediated mitochondrial quality control is explicitly critical for regulating cellular homeostasis in the kidney. Both autophagy and mitophagy attenuate inflammatory responses in the kidney. An accumulating body of evidence highlights that persistent kidney injury-induced oxidative stress can contribute to dysregulated autophagic and mitophagic responses and cell death. Autophagy and mitophagy also communicate with programmed cell death pathways (apoptosis and necroptosis) and play important roles in cell survival by preventing nutrient deprivation and regulating oxidative stress. Autophagy and mitophagy are activated in the kidney after acute injury. However, their aberrant hyperactivation can be deleterious and cause tissue damage. The findings on the functions of autophagy and mitophagy in various models of chronic kidney disease are heterogeneous and cell type- and context-specific dependent. In this review, we discuss the roles of autophagy and mitophagy in the kidney in regulating inflammatory responses and during various pathological manifestations.
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Affiliation(s)
- Divya Bhatia
- Division of Nephrology and Hypertension, Joan and Sanford I. Weill Department of Medicine, NewYork-Presbyterian Hospital, Weill Cornell Medicine, New York, New York, United States
| | - Mary E Choi
- Division of Nephrology and Hypertension, Joan and Sanford I. Weill Department of Medicine, NewYork-Presbyterian Hospital, Weill Cornell Medicine, New York, New York, United States
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18
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Wei JY, Hu MY, Chen XQ, Wei JS, Chen J, Qin XK, Lei FY, Zou JS, Zhu SQ, Qin YH. Hypobaric Hypoxia Aggravates Renal Injury by Inducing the Formation of Neutrophil Extracellular Traps through the NF-κB Signaling Pathway. Curr Med Sci 2023:10.1007/s11596-023-2744-3. [PMID: 37264195 DOI: 10.1007/s11596-023-2744-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 11/24/2022] [Indexed: 06/03/2023]
Abstract
OBJECTIVE The hypersensitivity of the kidney makes it susceptible to hypoxia injury. The involvement of neutrophil extracellular traps (NETs) in renal injury resulting from hypobaric hypoxia (HH) has not been reported. In this study, we aimed to investigate the expression of NETs in renal injury induced by HH and the possible underlying mechanism. METHODS A total of 24 SD male rats were divided into three groups (n=8 each): normal control group, hypoxia group and hypoxia+pyrrolidine dithiocarbamate (PDTC) group. Rats in hypoxia group and hypoxia+PDTC group were placed in animal chambers with HH which was caused by simulating the altitude at 7000 meters (oxygen partial pressure about 6.9 kPa) for 7 days. PDTC was administered at a dose of 100 mg/kg intraperitoneally once daily for 7 days. Pathological changes of the rat renal tissues were observed under a light microscope; the levels of serum creatinine (SCr), blood urea nitrogen (BUN), cell-free DNA (cf-DNA) and reactive oxygen species (ROS) were measured; the expression levels of myeloperoxidase (MPO), citrullinated histone H3 (cit-H3), B-cell lymphoma 2 (Bcl-2), Bax, nuclear factor kappa B (NF-κB) p65 and phospho-NF-κB p65 (p-NF-κB p65) in rat renal tissues were detected by qRT-qPCR and Western blotting; the localization of NF-κB p65 expression in rat renal tissues was observed by immunofluorescence staining and the expression changes of NETs in rat renal tissues were detected by multiplex fluorescence immunohistochemical staining. RESULTS After hypoxia, the expression of NF-κB protein in renal tissues was significantly increased, the levels of SCr, BUN, cf-DNA and ROS in serum were significantly increased, the formation of NETs in renal tissues was significantly increased, and a large number of tubular dilatation and lymphocyte infiltration were observed in renal tissues. When PDTC was used to inhibit NF-κB activation, NETs formation in renal tissue was significantly decreased, the expression level of Bcl-2 in renal tissues was significantly increased, the expression level of Bax was significantly decreased, and renal injury was significantly alleviated. CONCLUSION HH induces the formation of NETs through the NF-κB signaling pathway, and it promotes apoptosis and aggravates renal injury by decreasing Bcl-2 and increasing Bax expression.
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Affiliation(s)
- Jun-Yu Wei
- Department of Pediatrics, the First Affiliated Hospital, Guangxi Medical University, Nanning, 530021, China
| | - Miao-Yue Hu
- Department of Pediatrics, the First Affiliated Hospital, Guangxi Medical University, Nanning, 530021, China
| | - Xiu-Qi Chen
- Department of Pediatrics, the First Affiliated Hospital, Guangxi Medical University, Nanning, 530021, China
| | - Jin-Shuang Wei
- Department of Pediatrics, the First Affiliated Hospital, Guangxi Medical University, Nanning, 530021, China
| | - Jie Chen
- Department of Pediatrics, the First Affiliated Hospital, Guangxi Medical University, Nanning, 530021, China
| | - Xuan-Kai Qin
- Department of Pediatrics, the First Affiliated Hospital, Guangxi Medical University, Nanning, 530021, China
| | - Feng-Ying Lei
- Department of Pediatrics, the First Affiliated Hospital, Guangxi Medical University, Nanning, 530021, China
| | - Jia-Sen Zou
- Children's Hospital of Chongqing Medical University, Chongqing, 400015, China
| | - Shi-Qun Zhu
- Shenzhen Children's Hospital, Shenzhen, 518034, China
| | - Yuan-Han Qin
- Department of Pediatrics, the First Affiliated Hospital, Guangxi Medical University, Nanning, 530021, China.
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19
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Manzari Tavakoli G, Mirzapour MH, Razi S, Rezaei N. Targeting ferroptosis as a cell death pathway in Melanoma: From molecular mechanisms to skin cancer treatment. Int Immunopharmacol 2023; 119:110215. [PMID: 37094541 DOI: 10.1016/j.intimp.2023.110215] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/30/2023] [Accepted: 04/17/2023] [Indexed: 04/26/2023]
Abstract
Melanoma, the most aggressive form of human skin cancer, has been under investigation to reach the most efficient treatment. Surgical resection for early-diagnosed primary melanoma, targeted therapies, and immune checkpoint inhibitors for advanced/metastatic melanoma is the best clinical approach. Ferroptosis, a newly identified iron-dependent cell death pathway, which is morphologically and biochemically different from apoptosis and necrosis, has been reported to be involved in several cancers. Ferroptosis inducers could provide therapeutic options in case of resistance to conventional therapies for advanced/metastatic melanoma. Recently developed ferroptosis inducers, MEK and BRAF inhibitors, miRNAs such as miR-137 and miR-9, and novel strategies for targeting major histocompatibility complex (MHC) class II in melanoma can provide new opportunities for melanoma treatment. Combining ferroptosis inducers with targeted therapies or immune checkpoint inhibitors increases patient response rates. Here we review the mechanisms of ferroptosis and its environmental triggers. We also discuss the pathogenesis and current treatments of melanoma. Moreover, we aim to elucidate the relationship between ferroptosis and melanoma and ferroptosis implications to develop new therapeutic strategies against melanoma.
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Affiliation(s)
- Gita Manzari Tavakoli
- Department of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran; Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Mohammad Hossein Mirzapour
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran; School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sepideh Razi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran; School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Stockholm, Sweden.
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20
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Tao H, Mo Y, Liu W, Wang H. A review on gout: Looking back and looking ahead. Int Immunopharmacol 2023; 117:109977. [PMID: 37012869 DOI: 10.1016/j.intimp.2023.109977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/11/2023] [Accepted: 02/28/2023] [Indexed: 03/17/2023]
Abstract
Gout is a metabolic disease caused by the deposition of monosodium urate (MSU) crystals inside joints, which leads to inflammation and tissue damage. Increased concentration of serum urate is an essential step in the development of gout. Serum urate is regulated by urate transporters in the kidney and intestine, especially GLUT9 (SLC2A9), URAT1 (SLC22A12) and ABCG. Activation of NLRP3 inflammasome bodies and subsequent release of IL-1β by monosodium urate crystals induce the crescendo of acute gouty arthritis, while neutrophil extracellular traps (NETs) are considered to drive the self-resolving of gout within a few days. If untreated, acute gout may eventually develop into chronic tophaceous gout characterized by tophi, chronic gouty synovitis, and structural joint damage, leading the crushing burden of treatment. Although the research on the pathological mechanism of gout has been gradually deepened in recent years, many clinical manifestations of gout are still unable to be fully elucidated. Here, we reviewed the molecular pathological mechanism behind various clinical manifestations of gout, with a view to making contributions to further understanding and treatment.
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21
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Kanbay M, Yildiz AB, Siriopol D, Vehbi S, Hasbal NB, Kesgin YE, Celayir M, Selcukbiricik F, Covic A, Perazella MA. Immune checkpoints inhibitors and its link to acute kidney injury and renal prognosis. Int Urol Nephrol 2023; 55:1025-1032. [PMID: 36282399 DOI: 10.1007/s11255-022-03395-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 10/15/2022] [Indexed: 10/31/2022]
Abstract
BACKGROUND Immunotherapy with immune checkpoint inhibitors (ICPi) may cause acute kidney injury (AKI) and their use is increasing. MATERIALS AND METHODS This is a single-center retrospective cohort study of patients receiving ICPi drugs for solid organ malignancies. ICPi-related AKI, the need for renal replacement therapy during or following ICPi treatment, and the associated mortality was studied. RESULTS Two hundred thirty five patients were included in the final analysis. Patients with (N = 40) and without (n = 195) AKI had similar age, sex, type of ICPi, baseline serum creatinine levels, comorbidities and mortality; while patients with AKI were more likely to be receiving a nephrotoxic agent or be treated for genitourinary malignancy. 18 patients had ICPi-related AKI; 7 of these patients underwent kidney biopsy, which showed acute interstitial nephritis while the remaining 11 were diagnosed on clinical parameters. 18 (45%) patients recovered kidney function after AKI. No differences were observed between patients with and without kidney function recovery, although patients without recovery had a numerical, but not statistically significant, higher mortality. Patients with biopsy-confirmed ICPi-induced AKI had an increased risk of mortality, as compared with the rest of the population-HR 1.83, 95% CI 1.22-2.74, p = 0.003. CONCLUSION Use of nephrotoxic drugs and the location of malignancy appear to be common drivers of AKI in patients receiving ICPis for solid organ malignancy. Whether nephrotoxic agents or urinary tract obstruction may favor ICPi-related autoimmunity should be further studied.
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Affiliation(s)
- Mehmet Kanbay
- Department of Medicine, Section of Nephrology, Koc University School of Medicine, 34010, Istanbul, Turkey.
| | | | - Dimitrie Siriopol
- Department of Nephrology, "Saint John the New" County Hospital, Suceava, Romania
- Stefan Cel Mare" University, Suceava, Romania
| | - Sezan Vehbi
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Nuri Baris Hasbal
- Department of Medicine, Section of Nephrology, Koc University School of Medicine, 34010, Istanbul, Turkey
| | - Yavuz E Kesgin
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Melisa Celayir
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | | | - Adrian Covic
- Department of Nephrology, Grigore T. Popa' University of Medicine, Iasi, Romania
| | - Mark A Perazella
- Department of Internal Medicine Section of Nephrology, Yale University School of Medicine, New Haven, CT, USA
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22
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Wang C, Li SW, Zhong X, Liu BC, Lv LL. An update on renal fibrosis: from mechanisms to therapeutic strategies with a focus on extracellular vesicles. Kidney Res Clin Pract 2023; 42:174-187. [PMID: 37037480 PMCID: PMC10085720 DOI: 10.23876/j.krcp.22.159] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 09/06/2022] [Indexed: 04/03/2023] Open
Abstract
The increasing prevalence of chronic kidney disease (CKD) is a major global public health concern. Despite the complicated pathogenesis of CKD, renal fibrosis represents the most common pathological condition, comprised of progressive accumulation of extracellular matrix in the diseased kidney. Over the last several decades, tremendous progress in understanding the mechanism of renal fibrosis has been achieved, and corresponding potential therapeutic strategies targeting fibrosis-related signaling pathways are emerging. Importantly, extracellular vesicles (EVs) contribute significantly to renal inflammation and fibrosis by mediating cellular communication. Increasing evidence suggests the potential of EV-based therapy in renal inflammation and fibrosis, which may represent a future direction for CKD therapy.
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Affiliation(s)
| | | | | | | | - Lin-Li Lv
- Correspondence: Lin-Li Lv Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, 87 Ding Jia Qiao Road, Nanjing 210009, China. E-mail:
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23
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Kim IS, Kim DH, Lee HW, Kim SG, Kim YK, Kim JK. Role of increased neutrophil extracellular trap formation on acute kidney injury in COVID-19 patients. Front Immunol 2023; 14:1122510. [PMID: 37051234 PMCID: PMC10083414 DOI: 10.3389/fimmu.2023.1122510] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 03/16/2023] [Indexed: 03/29/2023] Open
Abstract
BackgroundA strong association between elevated neutrophil extracellular trap (NET) levels and poor clinical outcomes in patients with coronavirus infection 2019 (COVID-19) has been reported. However, while acute kidney injury (AKI) is a common complication of COVID-19, the role of NETs in COVID-19-associated AKI is unclear. We investigated the association between elevated NETs and AKI and the prognostic role of NETs in COVID-19 patients.MethodsTwo representative markers of NETs, circulating nucleosomes and myeloperoxidase-DNA, were measured in 115 hospitalized patients. Serum levels of interleukin [IL]-6, monocyte chemotactic protein-1 [MCP-1], plasma von Willebrand factor (vWF) and urinary biomarkers of renal tubular damage (β2-microglobulin [β2M] and kidney injury molecule 1 [KIM-1]) were measured.ResultsAKI was found in 43 patients (37.4%), and pre-existing chronic kidney disease (CKD) was a strong risk factor for AKI. Higher circulating NET levels were a significant predictor of increased risk of initial ICU admission, in-hospital mortality (adjusted HR 3.21, 95% CI 1.08–9.19) and AKI (OR 3.67, 95% CI 1.30-10.41), independent of age, diabetes, pre-existing CKD and IL-6 levels. There were strong correlations between circulating nucleosome levels and urinary KIM-1/creatinine (r=0.368, p=0.001) and β2M (r=0.218, p=0.049) levels. NETs were also strongly closely associated with serum vWF (r = 0.356, p<0.001), but not with IL-6 or MCP-1 levels.ConclusionsElevated NETs were closely associated with AKI, which was a strong predictor of mortality. The close association between NETs and vWF may suggest a role for NETs in COVID-19-associated vasculopathy leading to AKI.
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Affiliation(s)
- In Soo Kim
- Department of Internal Medicine & Kidney Research Institute, Hallym University Sacred Heart Hospital, Anyang, Republic of Korea
| | - Do Hyun Kim
- Department of Internal Medicine & Kidney Research Institute, Hallym University Sacred Heart Hospital, Anyang, Republic of Korea
| | - Hoi Woul Lee
- Department of Internal Medicine & Kidney Research Institute, Hallym University Sacred Heart Hospital, Anyang, Republic of Korea
| | - Sung Gyun Kim
- Department of Internal Medicine & Kidney Research Institute, Hallym University Sacred Heart Hospital, Anyang, Republic of Korea
| | - Yong Kyun Kim
- Division of Infectious Diseases, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang, Republic of Korea
- *Correspondence: Jwa-Kyung Kim, ; Yong Kyun Kim,
| | - Jwa-Kyung Kim
- Department of Internal Medicine & Kidney Research Institute, Hallym University Sacred Heart Hospital, Anyang, Republic of Korea
- *Correspondence: Jwa-Kyung Kim, ; Yong Kyun Kim,
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24
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Sanz AB, Sanchez-Niño MD, Ramos AM, Ortiz A. Regulated cell death pathways in kidney disease. Nat Rev Nephrol 2023; 19:281-299. [PMID: 36959481 PMCID: PMC10035496 DOI: 10.1038/s41581-023-00694-0] [Citation(s) in RCA: 48] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/16/2023] [Indexed: 03/25/2023]
Abstract
Disorders of cell number that result from an imbalance between the death of parenchymal cells and the proliferation or recruitment of maladaptive cells contributes to the pathogenesis of kidney disease. Acute kidney injury can result from an acute loss of kidney epithelial cells. In chronic kidney disease, loss of kidney epithelial cells leads to glomerulosclerosis and tubular atrophy, whereas interstitial inflammation and fibrosis result from an excess of leukocytes and myofibroblasts. Other conditions, such as acquired cystic disease and kidney cancer, are characterized by excess numbers of cyst wall and malignant cells, respectively. Cell death modalities act to clear unwanted cells, but disproportionate responses can contribute to the detrimental loss of kidney cells. Indeed, pathways of regulated cell death - including apoptosis and necrosis - have emerged as central events in the pathogenesis of various kidney diseases that may be amenable to therapeutic intervention. Modes of regulated necrosis, such as ferroptosis, necroptosis and pyroptosis may cause kidney injury directly or through the recruitment of immune cells and stimulation of inflammatory responses. Importantly, multiple layers of interconnections exist between different modalities of regulated cell death, including shared triggers, molecular components and protective mechanisms.
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Affiliation(s)
- Ana B Sanz
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain
- RICORS2040, Madrid, Spain
| | - Maria Dolores Sanchez-Niño
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain
- RICORS2040, Madrid, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Adrian M Ramos
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain
- RICORS2040, Madrid, Spain
| | - Alberto Ortiz
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain.
- RICORS2040, Madrid, Spain.
- Departamento de Farmacología, Universidad Autonoma de Madrid, Madrid, Spain.
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25
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Zhao ZB, Marschner JA, Iwakura T, Li C, Motrapu M, Kuang M, Popper B, Linkermann A, Klocke J, Enghard P, Muto Y, Humphreys BD, Harris HE, Romagnani P, Anders HJ. Tubular Epithelial Cell HMGB1 Promotes AKI-CKD Transition by Sensitizing Cycling Tubular Cells to Oxidative Stress: A Rationale for Targeting HMGB1 during AKI Recovery. J Am Soc Nephrol 2023; 34:394-411. [PMID: 36857499 PMCID: PMC10103235 DOI: 10.1681/asn.0000000000000024] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 10/22/2022] [Indexed: 01/22/2023] Open
Abstract
SIGNIFICANCE STATEMENT Cells undergoing necrosis release extracellular high mobility group box (HMGB)-1, which triggers sterile inflammation upon AKI in mice. Neither deletion of HMGB1 from tubular epithelial cells, nor HMGB1 antagonism with small molecules, affects initial ischemic tubular necrosis and immediate GFR loss upon unilateral ischemia/reperfusion injury (IRI). On the contrary, tubular cell-specific HMGB1 deficiency, and even late-onset pharmacological HMGB1 inhibition, increased functional and structural recovery from AKI, indicating that intracellular HMGB1 partially counters the effects of extracellular HMGB1. In vitro studies indicate that intracellular HMGB1 decreases resilience of tubular cells from prolonged ischemic stress, as in unilateral IRI. Intracellular HMGB1 is a potential target to enhance kidney regeneration and to improve long-term prognosis in AKI. BACKGROUND Late diagnosis is a hurdle for treatment of AKI, but targeting AKI-CKD transition may improve outcomes. High mobility group box-1 (HMGB1) is a nuclear regulator of transcription and a driver of necroinflammation in AKI. We hypothesized that HMGB1 would also modulate AKI-CKD transition in other ways. METHODS We conducted single-cell transcriptome analysis of human and mouse AKI and mouse in vivo and in vitro studies with tubular cell-specific depletion of Hmgb1 and HMGB1 antagonists. RESULTS HMGB1 was ubiquitously expressed in kidney cells. Preemptive HMGB1 antagonism with glycyrrhizic acid (Gly) and ethyl pyruvate (EP) did not affect postischemic AKI but attenuated AKI-CKD transition in a model of persistent kidney hypoxia. Consistently, tubular Hmgb1 depletion in Pax8 rtTA, TetO Cre, Hmgb1fl/fl mice did not protect from AKI, but from AKI-CKD transition. In vitro studies confirmed that absence of HMGB1 or HMGB1 inhibition with Gly and EP does not affect ischemic necrosis of growth-arrested differentiated tubular cells but increased the resilience of cycling tubular cells that survived the acute injury to oxidative stress. This effect persisted when neutralizing extracellular HMGB1 with 2G7. Consistently, late-onset HMGB1 blockade with EP started after the peak of ischemic AKI in mice prevented AKI-CKD transition, even when 2G7 blocked extracellular HMGB1. CONCLUSION Treatment of AKI could become feasible when ( 1 ) focusing on long-term outcomes of AKI; ( 2 ) targeting AKI-CKD transition with drugs initiated after the AKI peak; and ( 3 ) targeting with drugs that block HMGB1 in intracellular and extracellular compartments.
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Affiliation(s)
- Zhi Bo Zhao
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, Munich, Germany
| | - Julian A. Marschner
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, Munich, Germany
| | - Takamasa Iwakura
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, Munich, Germany
| | - Chenyu Li
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, Munich, Germany
| | - Manga Motrapu
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, Munich, Germany
| | - Meisi Kuang
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, Munich, Germany
| | - Bastian Popper
- Biomedical Center, Core Facility Animal Models, LMU München, Munich, Germany
| | - Andreas Linkermann
- Division of Nephrology, Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Jan Klocke
- Department of Nephrology and Intensive Care, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Philipp Enghard
- Department of Nephrology and Intensive Care, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Yoshiharu Muto
- Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri
| | - Benjamin D. Humphreys
- Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri
- Department of Developmental Biology, Washington University in St. Louis, St. Louis, Missouri
| | - Helena Erlandsson Harris
- Departments of Rheumatology and of Medicine Solna, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Paola Romagnani
- Department of Experimental and Biomedical Sciences "Mario Serio" and Nephrology and Dialysis Unit, Meyer Children's University Hospital, Florence, Italy
| | - Hans-Joachim Anders
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, Munich, Germany
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26
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Zhao Z, Li G, Wang Y, Li Y, Xu H, Liu W, Hao W, Yao Y, Zeng R. Cytoplasmic HMGB1 induces renal tubular ferroptosis after ischemia/reperfusion. Int Immunopharmacol 2023; 116:109757. [PMID: 36731154 DOI: 10.1016/j.intimp.2023.109757] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 01/14/2023] [Accepted: 01/16/2023] [Indexed: 02/04/2023]
Abstract
As a damage-associated molecular pattern molecule, high-mobility group box 1 (HMGB1) is well-studied and is released from injured tubular epithelial cells to trigger cell death. However, the role of intracellular HMGB1 induced cell death during acute kidney injury (AKI) is poorly understood. We showed that cytosolic HMGB1 induced ferroptosis by binding to acyl-CoA synthetase long-chain family member 4 (ACSL4), the driver of ferroptosis, following renal ischemia/reperfusion (I/R). Both mouse and human kidneys with acute tubular injury were characterized by nucleocytoplasmic translocation of HMGB1in tubular cells. Pharmacological inhibition of HMGB1 nucleocytoplasmic translocation and deletion of HMGB1 in tubular epithelial cells in mice inhibited I/R-induced AKI, tubular ferroptosis, and inflammation compared to those in controls. Co-immunoprecipitation and serial section staining confirmed the interaction between HMGB1 and ACSL4. Taken together, our results demonstrated that cytoplasmic HMGB1 is essential for exacerbating inflammation-associated cellular injury by activating renal tubular ferroptosis via ACSL4 after I/R injury. These findings indicate that cytoplasmic HMGB1 is a regulator of ferroptosis and a promising therapeutic target for AKI.
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Affiliation(s)
- Zhi Zhao
- Department of Nephrology, Guangdong Provincial Geriatrics Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong 510080, China
| | - Guoli Li
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yuxi Wang
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yinzheng Li
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Huzi Xu
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Wei Liu
- Department of Nephrology, Guangdong Provincial Geriatrics Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong 510080, China
| | - Wenke Hao
- Department of Nephrology, Guangdong Provincial Geriatrics Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong 510080, China
| | - Ying Yao
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
| | - Rui Zeng
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
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27
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Rayego-Mateos S, Rodrigues-Diez RR, Fernandez-Fernandez B, Mora-Fernández C, Marchant V, Donate-Correa J, Navarro-González JF, Ortiz A, Ruiz-Ortega M. Targeting inflammation to treat diabetic kidney disease: the road to 2030. Kidney Int 2023; 103:282-296. [PMID: 36470394 DOI: 10.1016/j.kint.2022.10.030] [Citation(s) in RCA: 39] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/05/2022] [Accepted: 10/31/2022] [Indexed: 12/07/2022]
Abstract
Diabetic kidney disease (DKD) is one of the fastest growing causes of chronic kidney disease and associated morbidity and mortality. Preclinical research has demonstrated the involvement of inflammation in its pathogenesis and in the progression of kidney damage, supporting clinical trials designed to explore anti-inflammatory strategies. However, the recent success of sodium-glucose cotransporter-2 inhibitors and the nonsteroidal mineralocorticoid receptor antagonist finerenone has changed both guidelines and standard of care, rendering obsolete older studies directly targeting inflammatory mediators and the clinical development was discontinued for most anti-inflammatory drugs undergoing clinical trials for DKD in 2016. Given the contribution of inflammation to the pathogenesis of DKD, we review the impact on kidney inflammation of the current standard of care, therapies undergoing clinical trials, or repositioned drugs for DKD. Moreover, we review recent advances in the molecular regulation of inflammation in DKD and discuss potential novel therapeutic strategies with clinical relevance. Finally, we provide a road map for future research aimed at integrating the growing knowledge on inflammation and DKD into clinical practice to foster improvement of patient outcomes.
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Affiliation(s)
- Sandra Rayego-Mateos
- Cellular Biology in Renal Diseases Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma, Madrid, Spain; Ricord2040, Instituto de Salud Carlos II, Spain
| | - Raul R Rodrigues-Diez
- Ricord2040, Instituto de Salud Carlos II, Spain; Translational Immunology, Instituto de Investigación Sanitaria del Principado de Asturias ISPA, Oviedo, Asturias, Spain
| | - Beatriz Fernandez-Fernandez
- Ricord2040, Instituto de Salud Carlos II, Spain; Division of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-Universidad Autónoma, Madrid, Spain
| | - Carmen Mora-Fernández
- Ricord2040, Instituto de Salud Carlos II, Spain; Research Unit, University Hospital Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
| | - Vanessa Marchant
- Cellular Biology in Renal Diseases Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma, Madrid, Spain; Ricord2040, Instituto de Salud Carlos II, Spain
| | - Javier Donate-Correa
- Ricord2040, Instituto de Salud Carlos II, Spain; Research Unit, University Hospital Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
| | - Juan F Navarro-González
- Ricord2040, Instituto de Salud Carlos II, Spain; Research Unit, University Hospital Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain; Nephrology Service, University Hospital Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
| | - Alberto Ortiz
- Ricord2040, Instituto de Salud Carlos II, Spain; Division of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-Universidad Autónoma, Madrid, Spain
| | - Marta Ruiz-Ortega
- Cellular Biology in Renal Diseases Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma, Madrid, Spain; Ricord2040, Instituto de Salud Carlos II, Spain.
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28
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Alassaf N, Attia H. Autophagy and necroptosis in cisplatin-induced acute kidney injury: Recent advances regarding their role and therapeutic potential. Front Pharmacol 2023; 14:1103062. [PMID: 36794281 PMCID: PMC9922871 DOI: 10.3389/fphar.2023.1103062] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 01/16/2023] [Indexed: 01/31/2023] Open
Abstract
Cisplatin (CP) is a broad-spectrum antineoplastic agent, used to treat many different types of malignancies due to its high efficacy and low cost. However, its use is largely limited by acute kidney injury (AKI), which, if left untreated, may progress to cause irreversible chronic renal dysfunction. Despite substantial research, the exact mechanisms of CP-induced AKI are still so far unclear and effective therapies are lacking and desperately needed. In recent years, necroptosis, a novel subtype of regulated necrosis, and autophagy, a form of homeostatic housekeeping mechanism have witnessed a burgeoning interest owing to their potential to regulate and alleviate CP-induced AKI. In this review, we elucidate in detail the molecular mechanisms and potential roles of both autophagy and necroptosis in CP-induced AKI. We also explore the potential of targeting these pathways to overcome CP-induced AKI according to recent advances.
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Affiliation(s)
- Noha Alassaf
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia,*Correspondence: Noha Alassaf,
| | - Hala Attia
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia,Department of Biochemistry, College of Pharmacy, Mansoura University, Mansoura, Egypt
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29
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Vallés PG, Gil Lorenzo AF, Garcia RD, Cacciamani V, Benardon ME, Costantino VV. Toll-like Receptor 4 in Acute Kidney Injury. Int J Mol Sci 2023; 24:ijms24021415. [PMID: 36674930 PMCID: PMC9864062 DOI: 10.3390/ijms24021415] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/06/2022] [Accepted: 12/13/2022] [Indexed: 01/13/2023] Open
Abstract
Acute kidney injury (AKI) is a common and devastating pathologic condition, associated with considerable high morbidity and mortality. Although significant breakthroughs have been made in recent years, to this day no effective pharmacological therapies for its treatment exist. AKI is known to be connected with intrarenal and systemic inflammation. The innate immune system plays an important role as the first defense response mechanism to tissue injury. Toll-like receptor 4 (TLR4) is a well-characterized pattern recognition receptor, and increasing evidence has shown that TLR4 mediated inflammatory response, plays a pivotal role in the pathogenesis of acute kidney injury. Pathogen-associated molecular patterns (PAMPS), which are the conserved microbial motifs, are sensed by these receptors. Endogenous molecules generated during tissue injury, and labeled as damage-associated molecular pattern molecules (DAMPs), also activate pattern recognition receptors, thereby offering an understanding of sterile types of inflammation. Excessive, uncontrolled and/or sustained activation of TLR4, may lead to a chronic inflammatory state. In this review we describe the role of TLR4, its endogenous ligands and activation in the inflammatory response to ischemic/reperfusion-induced AKI and sepsis-associated AKI. The potential regeneration signaling patterns of TLR4 in acute kidney injury, are also discussed.
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Affiliation(s)
- Patricia G. Vallés
- Área de Fisiopatología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Centro Universitario, Mendoza 5500, Argentina
- IMBECU-CONICET (Instituto de Medicina y Biología Experimental de Cuyo—Consejo Nacional de Investigaciones Científicas y Técnicas), Mendoza 5500, Argentina
- Correspondence:
| | - Andrea Fernanda Gil Lorenzo
- Área de Fisiopatología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Centro Universitario, Mendoza 5500, Argentina
| | - Rodrigo D. Garcia
- Área de Fisiopatología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Centro Universitario, Mendoza 5500, Argentina
| | - Valeria Cacciamani
- IMBECU-CONICET (Instituto de Medicina y Biología Experimental de Cuyo—Consejo Nacional de Investigaciones Científicas y Técnicas), Mendoza 5500, Argentina
| | - María Eugenia Benardon
- Área de Fisiopatología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Centro Universitario, Mendoza 5500, Argentina
| | - Valeria Victoria Costantino
- IMBECU-CONICET (Instituto de Medicina y Biología Experimental de Cuyo—Consejo Nacional de Investigaciones Científicas y Técnicas), Mendoza 5500, Argentina
- Área de Biología Celular, Departamento de Morfofisiología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Centro Universitario, Mendoza 5500, Argentina
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30
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Leng J, Zhao W, Guo J, Yu G, Zhu G, Ge J, He D, Xu Y, Chen X, Zhou Y, Liu B. E-prostanoid 3 receptor deficiency on myeloid cells protects against ischemic acute kidney injury via breaking the auto-amplification loop of necroinflammation. Kidney Int 2023; 103:100-114. [PMID: 36087809 DOI: 10.1016/j.kint.2022.08.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 07/06/2022] [Accepted: 08/01/2022] [Indexed: 02/05/2023]
Abstract
Necroinflammation plays an important role in disease settings such as acute kidney injury (AKI). We and others have elucidated that prostaglandins, which are critically involved in inflammation, may activate E-prostanoid 3 receptor (EP3) at low concentrations. However, how EP3 blockade interacts with regulated cell death and affects AKI remains unknown. In this study, AKI was induced by ischemia-reperfusion (30 minutes/24 hours) in Ep3 knockout (Ep3-/-), bone marrow chimeric, myeloid conditional EP3 knockout and corresponding control mice. The production of prostaglandins E2 and I2 was markedly increased after ischemia-reperfusion, and either abrogation or antagonism of EP3 ameliorated the injury. EP3 deficiency curbed inflammatory cytokine release, neutrophil infiltration and serum high-mobility group box 1 levels, but additional TLR4 inhibition with TAK-242 did not offer further protection against the injury and inflammation. The protection of Ep3-/- was predominantly mediated by suppressing Mixed Lineage Kinase domain-Like-dependent necroptosis, resulting from the inhibition of cytokine generation and the switching of cell death modality from necroptosis to apoptosis through caspase-8 up-regulation, in part due to the restraint of IL-6/JAK2/STAT3 signaling. EP3 deficiency failed to further alleviate the injury when necroptosis was inhibited. Ep3-/- in bone marrow-derived cells, particularly that in myeloid cells, protected kidneys to the same extent as that of global EP3 deletion. Thus, our results demonstrate that EP3 deficiency especially that on myeloid cells, ameliorates ischemic AKI via curbing inflammation and breaking the auto-amplification loop of necroinflammation. Hence, EP3 may be a promising target for the prevention and/or treatment of AKI.
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Affiliation(s)
- Jing Leng
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Wen Zhao
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China
| | - Jinwei Guo
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Gang Yu
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Guanghui Zhu
- Department of Forensic Medicine, Shantou University Medical College, Shantou, China
| | - Jiahui Ge
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Dong He
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China
| | - Yineng Xu
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China
| | - Xijian Chen
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China
| | - Yingbi Zhou
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China.
| | - Bin Liu
- Cardiovascular Research Center, Shantou University Medical College, Shantou, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, China.
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31
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Acute Kidney Injury after Endoscopic Retrograde Cholangiopancreatography-A Hospital-Based Prospective Observational Study. Biomedicines 2022; 10:biomedicines10123166. [PMID: 36551921 PMCID: PMC9775076 DOI: 10.3390/biomedicines10123166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 12/05/2022] [Indexed: 12/12/2022] Open
Abstract
Background: Endoscopic retrograde cholangiopancreatography (ERCP) represents a major pivotal point in gastrointestinal endoscopy. Little is known about acute kidney injury (AKI) post-ERCP. This study analyses the incidence, risk factors, and prognosis of post-ERCP AKI. Methods: A total of 396 patients were prospectively studied. AKI was defined by an increase in serum creatinine (SCr) ≥ 0.3 mg/dL or by an increase in SCr ≥ 50% in the first 48 h post-ERCP. Logistic regression analysis was used to identify the predictors of AKI and in-hospital mortality. A two-tailed p value < 0.05 was considered significant. Results: One hundred and three patients (26%) developed post-ERCP AKI. Estimated glomerular filtration rate (adjusted odds ratio (aOR) = 0.95, 95% confidence interval (CI): 0.94−0.96, p < 0.001), nonrenal Charlson Comorbidity Index (Aor = 1.19, 95% CI: 1.05−1.35, p = 0.006), choledocholithiasis (aOR = 4.05, 95% CI: 1.98−8.29, p < 0.001), and bilirubin (aOR = 1.1, 95% CI: 1.05−1.15, p < 0.001) were associated with post-ERCP AKI. Post-ERCP AKI was associated with longer hospital stay (p < 0.001) and with increased in-hospital mortality (7.76% versus 0.36%, p < 0.001). Moderate-to-severe (stage 2 and 3) AKI was independently associated with in-hospital mortality (aOR = 6.43, 95% CI: 1.48−27.88, p < 0.013). Conclusions: Post-ERCP AKI represented an important complication associated with longer hospital stay. Moderate-to-severe post-ERCP AKI was an independent risk factor for in-hospital mortality.
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32
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Sharma P, Karnam K, Mahale A, Sedmaki K, Krishna Venuganti V, Kulkarni OP. HDAC5 RNA interference ameliorates acute renal injury by upregulating KLF2 and inhibiting NALP3 expression in a mouse model of oxalate nephropathy. Int Immunopharmacol 2022; 112:109264. [DOI: 10.1016/j.intimp.2022.109264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/31/2022] [Accepted: 09/16/2022] [Indexed: 11/30/2022]
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Musiał K. Update on Innate Immunity in Acute Kidney Injury—Lessons Taken from COVID-19. Int J Mol Sci 2022; 23:ijms232012514. [PMID: 36293370 PMCID: PMC9604105 DOI: 10.3390/ijms232012514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 10/16/2022] [Accepted: 10/18/2022] [Indexed: 11/26/2022] Open
Abstract
The serious clinical course of SARS-CoV-2 infection is usually accompanied by acute kidney injury (AKI), worsening prognosis and increasing mortality. AKI in COVID-19 is above all a consequence of systemic dysregulations leading to inflammation, thrombosis, vascular endothelial damage and necrosis. All these processes rely on the interactions between innate immunity elements, including circulating blood cells, resident renal cells, their cytokine products, complement systems, coagulation cascades and contact systems. Numerous simultaneous pathways of innate immunity should secure an effective host defense. Since they all form a network of cross-linked auto-amplification loops, uncontrolled activation is possible. When the actions of selected pathways amplify, cascade activation evades control and the propagation of inflammation and necrosis worsens, accompanied by complement overactivity and immunothrombosis. The systemic activation of innate immunity reaches the kidney, where the damage affecting single tubular cells spreads through tissue collateral damage and triggers AKI. This review is an attempt to synthetize the connections between innate immunity components engaged in COVID-19-related AKI and to summarize the knowledge on the pathophysiological background of processes responsible for renal damage.
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Affiliation(s)
- Kinga Musiał
- Department of Pediatric Nephrology, Wrocław Medical University, Borowska 213, 50-556 Wrocław, Poland
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34
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Piao SG, Ding J, Lin XJ, Nan QY, Xuan MY, Jiang YJ, Zheng HL, Jin JZ, Li C. Inhibition of RIP1-RIP3-mediated necroptosis attenuates renal fibrosis via Wnt3α/β-catenin/GSK-3β signaling in unilateral ureteral obstruction. PLoS One 2022; 17:e0274116. [PMID: 36223414 PMCID: PMC9555645 DOI: 10.1371/journal.pone.0274116] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 08/22/2022] [Indexed: 11/07/2022] Open
Abstract
Renal fibrosis represents the final common outcome of chronic kidney disease of virtually any etiology. However, the mechanism underlying the evolution of renal fibrosis remains to be addressed. This study sought to clarify whether RIP1-RIP3-mediated necroptosis is involved in renal fibrosis via Wnt3α/β-catenin/GSK-3β signaling in vitro and in a rat model of unilateral ureteral obstruction (UUO). Rats with UUO were administered RIP inhibitors (necrostatin-1 or GSK872) or β-catenin/TCF inhibitor ICG-001 daily for 7 consecutive days. UUO caused significant renal tubular necrosis and overexpression of RIP1-RIP3-MLKL axis proteins, and was accompanied by activation of the NLRP3 inflammasome and renal fibrosis. Oxidative stress caused by UUO was closely associated with endoplasmic reticulum stress and mitochondrial dysfunction, which resulted in apoptotic cell death via Wnt3α/β-catenin/GSK-3β signaling. All of these effects were abolished by an RIP inhibitor (necrostatin-1 or GSK872) or ICG-001. In H2O2-treated HK-2 cells, both RIP inhibitor and ICG-001 decreased intracellular reactive oxygen species production and apoptotic cells, but increased cell viability. Activated Wnt3α/β-catenin/GSK-3β signaling was decreased by either RIP inhibitor or ICG-001. Our findings suggest that RIP1-RIP3-mediated necroptosis contributes to the development of renal fibrosis via Wnt3α/β-catenin/GSK-3β signaling in UUO and may be a therapeutic target for protection against renal scarring of other origins.
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Affiliation(s)
- Shang Guo Piao
- Department of Nephrology, Yanbian University Hospital, Yanji, China
| | - Jun Ding
- Department of Nephrology, Yanbian University Hospital, Yanji, China
| | - Xue Jing Lin
- Department of Nephrology, Yanbian University Hospital, Yanji, China
- Department of Radionuclide Medicine, Yanbian University Hospital, Yanji, China
| | - Qi Yan Nan
- Department of Nephrology, Yanbian University Hospital, Yanji, China
- Department of Intensive Care Unit, Yanbian University Hospital, Yanji, China
| | - Mei Ying Xuan
- Department of Nephrology, Yanbian University Hospital, Yanji, China
- Department of Health Examination Central, Yanbian University Hospital, Yanji, China
| | - Yu Ji Jiang
- Department of Nephrology, Yanbian University Hospital, Yanji, China
| | - Hai Lan Zheng
- Department of Nephrology, Yanbian University Hospital, Yanji, China
| | - Ji Zhe Jin
- Department of Nephrology, Yanbian University Hospital, Yanji, China
| | - Can Li
- Department of Nephrology, Yanbian University Hospital, Yanji, China
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35
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Tonnus W, Maremonti F, Belavgeni A, Latk M, Kusunoki Y, Brucker A, von Mässenhausen A, Meyer C, Locke S, Gembardt F, Beer K, Hoppenz P, Becker JU, Hugo C, Anders HJ, Bornstein SR, Shao F, Linkermann A. Gasdermin D-deficient mice are hypersensitive to acute kidney injury. Cell Death Dis 2022; 13:792. [PMID: 36109515 PMCID: PMC9478139 DOI: 10.1038/s41419-022-05230-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 08/30/2022] [Accepted: 09/02/2022] [Indexed: 01/21/2023]
Abstract
Signaling pathways of regulated necrosis, such as necroptosis and ferroptosis, contribute to acute kidney injury (AKI), but the role of pyroptosis is unclear. Pyroptosis is mediated by the pore-forming protein gasdermin D (GSDMD). Here, we report a specific pattern of GSDMD-protein expression in the peritubular compartment of mice that underwent bilateral ischemia and reperfusion injury (IRI). Along similar lines, the GSDMD-protein expression in whole kidney lysates increased during the first 84 h following cisplatin-induced AKI. Importantly, unlike whole kidney lysates, no GSDMD-protein expression was detectable in isolated kidney tubules. In IRI and cisplatin-induced AKI, GSDMD-deficient mice exhibited hypersensitivity to injury as assessed by tubular damage, elevated markers of serum urea, and serum creatinine. This hypersensitivity was reversed by a combined deficiency of GSDMD and the necroptosis mediator mixed lineage kinase domain-like (MLKL). In conclusion, we demonstrate a non-cell autonomous role for GSDMD in protecting the tubular compartment from necroptosis-mediated damage in IRI.
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Affiliation(s)
- Wulf Tonnus
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Francesca Maremonti
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Alexia Belavgeni
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Markus Latk
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Yoshihiro Kusunoki
- grid.5252.00000 0004 1936 973XRenal Division, Department of Medicine IV, University Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Anne Brucker
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Anne von Mässenhausen
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Claudia Meyer
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Sophie Locke
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Florian Gembardt
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Kristina Beer
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Paul Hoppenz
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Jan U. Becker
- grid.411097.a0000 0000 8852 305XInstitute of Pathology, University Hospital of Cologne, Cologne, Germany
| | - Christian Hugo
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Hans-Joachim Anders
- grid.5252.00000 0004 1936 973XRenal Division, Department of Medicine IV, University Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Stefan R. Bornstein
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.13097.3c0000 0001 2322 6764Diabetes and Nutritional Sciences, King’s College London, London, UK ,grid.4488.00000 0001 2111 7257Center for Regenerative Therapies, Technische Universität Dresden, Dresden, Germany ,grid.507329.aPaul Langerhans Institute Dresden of Helmholtz Centre Munich at University Clinic Carl Gustav Carus of TU Dresden Faculty of Medicine, Dresden, Germany ,grid.59025.3b0000 0001 2224 0361Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Feng Shao
- grid.410717.40000 0004 0644 5086National Institute of Biological Sciences (NIBS), Beijing, China
| | - Andreas Linkermann
- grid.412282.f0000 0001 1091 2917Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany ,grid.4488.00000 0001 2111 7257Biotechnology Center, Technische Universität Dresden, Dresden, Germany
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36
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Schleef M, Gonnot F, Pillot B, Leon C, Chanon S, Vieille-Marchiset A, Rabeyrin M, Bidaux G, Guebre-Egziabher F, Juillard L, Baetz D, Lemoine S. Mild Therapeutic Hypothermia Protects from Acute and Chronic Renal Ischemia-Reperfusion Injury in Mice by Mitigated Mitochondrial Dysfunction and Modulation of Local and Systemic Inflammation. Int J Mol Sci 2022; 23:ijms23169229. [PMID: 36012493 PMCID: PMC9409407 DOI: 10.3390/ijms23169229] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/08/2022] [Accepted: 08/11/2022] [Indexed: 11/16/2022] Open
Abstract
Renal ischemia-reperfusion (IR) injury can lead to acute kidney injury, increasing the risk of developing chronic kidney disease. We hypothesized that mild therapeutic hypothermia (mTH), 34 °C, applied during ischemia could protect the function and structure of kidneys against IR injuries in mice. In vivo bilateral renal IR led to an increase in plasma urea and acute tubular necrosis at 24 h prevented by mTH. One month after unilateral IR, kidney atrophy and fibrosis were reduced by mTH. Evaluation of mitochondrial function showed that mTH protected against IR-mediated mitochondrial dysfunction at 24 h, by preserving CRC and OX-PHOS. mTH completely abrogated the IR increase of plasmatic IL-6 and IL-10 at 24 h. Acute tissue inflammation was decreased by mTH (IL-6 and IL1-β) in as little as 2 h. Concomitantly, mTH increased TNF-α expression at 24 h. One month after IR, mTH increased TNF-α mRNA expression, and it decreased TGF-β mRNA expression. We showed that mTH alleviates renal dysfunction and damage through a preservation of mitochondrial function and a modulated systemic and local inflammatory response at the acute phase (2–24 h). The protective effect of mTH is maintained in the long term (1 month), as it diminished renal atrophy and fibrosis, and mitigated chronic renal inflammation.
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Affiliation(s)
- Maxime Schleef
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
- Hospices Civils de Lyon, Médecine Intensive Réanimation, Hôpital Edouard Herriot, 69003 Lyon, France
| | - Fabrice Gonnot
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
| | - Bruno Pillot
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
| | - Christelle Leon
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
| | - Stéphanie Chanon
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
| | - Aurélie Vieille-Marchiset
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
| | - Maud Rabeyrin
- Hospices Civils de Lyon, Anatomopathologie, Groupement Hospitalier Est, 69500 Bron, France
| | - Gabriel Bidaux
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
| | - Fitsum Guebre-Egziabher
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
- Hospices Civils de Lyon, Néphrologie-HTA-Dialyse, Hôpital Edouard Herriot, 69003 Lyon, France
| | - Laurent Juillard
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
- Hospices Civils de Lyon, Néphrologie-HTA-Dialyse, Hôpital Edouard Herriot, 69003 Lyon, France
| | - Delphine Baetz
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
- Correspondence: (D.B.); (S.L.)
| | - Sandrine Lemoine
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France
- Hospices Civils de Lyon, Explorations Fonctionnelles Rénales, Hôpital Edouard Herriot, 69003 Lyon, France
- Correspondence: (D.B.); (S.L.)
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Srivastava A, Tomar B, Sharma P, Kumari S, Prakash S, Rath SK, Kulkarni OP, Gupta SK, Mulay SR. RIPK3-MLKL signaling activates mitochondrial CaMKII and drives intrarenal extracellular matrix production during CKD. Matrix Biol 2022; 112:72-89. [PMID: 35964866 DOI: 10.1016/j.matbio.2022.08.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/19/2022] [Accepted: 08/09/2022] [Indexed: 11/19/2022]
Abstract
Intrarenal extracellular matrix production is a prevalent feature of all forms of chronic kidney disease (CKD). The transforming growth factor-beta (TGFβ) is believed to be a major driver of extracellular matrix production. Nevertheless, anti-TGFβ therapies have consistently failed to reduce extracellular matrix production in CKD patients indicating the need for novel therapeutic strategies. We have previously shown that necroinflammation contributes to acute kidney injury. Here, we show that chronic/persistent necroinflammation drives intrarenal extracellular matrix production during CKD. We found that renal expression of receptor-interacting protein kinase-1 (RIPK1), RIPK3, and mixed lineage kinase domain-like (MLKL) increases with the expansion of intrarenal extracellular matrix production and declined kidney function in both humans and mice. Furthermore, we found that TGFβ exposure induces the translocation of RIPK3 and MLKL to mitochondria resulting in mitochondrial dysfunction and ROS production. Mitochondrial ROS activates the serine-threonine kinase calcium/calmodulin-dependent protein kinases-II (CaMKII) that increases phosphorylation of Smad2/3 and subsequent production of alpha-smooth muscle actin (αSMA), collagen (Col) 1α1, etc. in response to TGFβ during the intrarenal extracellular matrix production. Consistent with this, deficiency or knockdown of RIPK3 or MLKL as well as pharmacological inhibition of RIPK1, RIPK3, and CaMKII prevents the intrarenal extracellular matrix production in oxalate-induced CKD and unilateral ureteral obstruction (UUO). Together, RIPK1, RIPK3, MLKL, CaMKII, and Smad2/3 are molecular targets to inhibit intrarenal extracellular matrix production and preserve kidney function during CKD.
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Affiliation(s)
- Anjali Srivastava
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Bhawna Tomar
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Pravesh Sharma
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad, 500078, India
| | - Sunaina Kumari
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Shakti Prakash
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Srikanta Kumar Rath
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow, 226031, India
| | - Onkar Prakash Kulkarni
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad, 500078, India
| | - Shashi Kumar Gupta
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Shrikant R Mulay
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Jiang YJ, Jin J, Nan QY, Ding J, Cui S, Xuan MY, Piao MH, Piao SG, Zheng HL, Jin JZ, Chung BH, Yang CW, Li C. Coenzyme Q10 attenuates renal fibrosis by inhibiting RIP1-RIP3-MLKL-mediated necroinflammation via Wnt3α/β-catenin/GSK-3β signaling in unilateral ureteral obstruction. Int Immunopharmacol 2022; 108:108868. [PMID: 35636077 DOI: 10.1016/j.intimp.2022.108868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Coenzyme Q10 (CoQ10) protects against various types of injury, but its role in preventing renal scarring in chronic kidney disease remains an open question. Herein, we evaluated whether CoQ10 attenuates renal fibrosis by interfering with necroinflammation in a rat model of unilateral ureteral obstruction (UUO) and in vitro. METHODS Rats with UUO were treated daily with CoQ10 or an RIP inhibitor (necrostatin-1 or GSK872) for 7 days. The influence of CoQ10 on renal injury caused by UUO was evaluated by histopathology and analysis of gene expression, oxidative stress, intracellular organelles, apoptosis, and Wnt3α/β-catenin/GSK-3β signaling·H2O2-exposed human kidney (HK-2) cells were also examined after treatment with CoQ10 or an RIP inhibitor. RESULTS UUO induced marked renal tubular necrosis, upregulation of RIP1-RIP3-MLKL axis proteins, activation of the NLRP3 inflammasome, and evolution of renal fibrosis. UUO-induced oxidative stress evoked excessive endoplasmic reticulum stress and mitochondrial dysfunction, which triggered apoptotic cell death through Wnt3α/β-catenin/GSK-3β signaling. All of these effects were mitigated by CoQ10 or an RIP inhibitor. In H2O2-treated HK-2 cells, CoQ10 or an RIP inhibitor suppressed the expression of RIP1-RIP3-MLKL proteins and pyroptosis-related cytokines, and hindered the production of intracellular reactive oxygen species as shown by MitoSOX Red staining and apoptotic cell death but increased cell viability. The CoQ10 or Wnt/β-catenin inhibitor ICG-001 deactivated H2O2-stimulated activation of Wnt3α/β-catenin/GSK-3β signaling. CONCLUSION These findings suggest that CoQ10 attenuates renal fibrosis by inhibiting RIP1-RIP3-MLKL-mediated necroinflammation via Wnt3α/β-catenin/GSK-3β signaling in UUO.
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Affiliation(s)
- Yu Ji Jiang
- Department of Nephrology, Yanbian University Hospital, Yanji, China
| | - Jian Jin
- Department of General Practice, Yanbian University Hospital, Yanji, China
| | - Qi Yan Nan
- Department of Intensive Care Unit, Yanbian University Hospital, Yanji, China
| | - Jun Ding
- Department of Nephrology, Yanbian University Hospital, Yanji, China
| | - Sheng Cui
- Department of Nephrology, Yanbian University Hospital, Yanji, China; Transplantation Research Center, Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Mei Ying Xuan
- Department of Health Examination Central, Yanbian University, Yanji, China
| | - Mei Hua Piao
- Department of Clinical Laboratory Medicine, Yanbian University Hospital, Yanji, China
| | - Shang Guo Piao
- Department of Nephrology, Yanbian University Hospital, Yanji, China
| | - Hai Lan Zheng
- Department of Nephrology, Yanbian University Hospital, Yanji, China
| | - Ji Zhe Jin
- Department of Nephrology, Yanbian University Hospital, Yanji, China
| | - Byung Ha Chung
- Transplantation Research Center, Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea; Division of Nephrology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Chul Woo Yang
- Transplantation Research Center, Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea; Division of Nephrology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Can Li
- Department of Nephrology, Yanbian University Hospital, Yanji, China.
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Epigenomic and transcriptomic analyses define core cell types, genes and targetable mechanisms for kidney disease. Nat Genet 2022; 54:950-962. [PMID: 35710981 DOI: 10.1038/s41588-022-01097-w] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 05/09/2022] [Indexed: 12/29/2022]
Abstract
More than 800 million people suffer from kidney disease, yet the mechanism of kidney dysfunction is poorly understood. In the present study, we define the genetic association with kidney function in 1.5 million individuals and identify 878 (126 new) loci. We map the genotype effect on the methylome in 443 kidneys, transcriptome in 686 samples and single-cell open chromatin in 57,229 kidney cells. Heritability analysis reveals that methylation variation explains a larger fraction of heritability than gene expression. We present a multi-stage prioritization strategy and prioritize target genes for 87% of kidney function loci. We highlight key roles of proximal tubules and metabolism in kidney function regulation. Furthermore, the causal role of SLC47A1 in kidney disease is defined in mice with genetic loss of Slc47a1 and in human individuals carrying loss-of-function variants. Our findings emphasize the key role of bulk and single-cell epigenomic information in translating genome-wide association studies into identifying causal genes, cellular origins and mechanisms of complex traits.
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Du C, Zhu Y, Yang Y, Mu L, Yan X, Wu M, Zhou C, Wu H, Zhang W, Wu Y, Zhang G, Hu Y, Ren Y, Shi Y. C1q/tumour necrosis factor-related protein-3 alleviates high-glucose-induced lipid accumulation and necroinflammation in renal tubular cells by activating the adenosine monophosphate-activated protein kinase pathway. Int J Biochem Cell Biol 2022; 149:106247. [PMID: 35753650 DOI: 10.1016/j.biocel.2022.106247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 06/20/2022] [Accepted: 06/21/2022] [Indexed: 10/17/2022]
Abstract
Lipid accumulation and progressive necroinflammation play pivotal roles in the development of diabetic nephropathy. C1q tumour necrosis factor-related protein-3 (CTRP3) is an adipokine with pleiotropic functions in cell proliferation, glucose and lipid metabolism, and inflammation. However, the mechanism and involvement of CTRP3 in lipid metabolism and the necroinflammation of renal tubular cells remain unclear. Here, we report that CTRP3 expression decreased in a time- and concentration-dependent manner in high glucose-stimulated HK-2 cells. We noted that the overexpression of CTRP3 or recombinant CTRP3 (rCTRP3) treatment prevented high glucose-induced lipid accumulation by inhibiting the expression of sterol regulatory element-binding protein-1 and increasing the expression of peroxisome proliferator-activated receptor-α and ATP-binding cassette A1. Moreover, the nucleotide-binding oligomerisation domain-like receptor protein 3-mediated inflammatory response and mixed lineage kinase domain-like protein-dependent necroinflammation were inhibited by CTRP3 overexpression or rCTRP3 treatment in HK-2 cells cultured in high glucose. Furthermore, lipotoxicity-induced by palmitic acid was found to be involved in necroinflammation in HK-2 cells, and CTRP3 displayed the same protective effect. CTRP3 also activated the adenosine monophosphate-activated protein kinase (AMPK) pathway, whereas adenine 9-β-D-arabinofuranoside, an AMPK inhibitor, replicated the protective effects of CTRP3. Besides, using kidney biopsies from patients with diabetes, we found that decreased CTRP3 expression was accompanied by increased lipid deposition, as well as the structural and functional injury of renal tubular cells. Our findings demonstrate that CTRP3 affects lipid metabolism and necroinflammation in renal tubular cells via the AMPK signalling pathway. Thus, CTRP3 may be a potential therapeutic target in diabetic renal injury.
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Affiliation(s)
- Chunyang Du
- Department of Pathology, Hebei Medical University; Key Laboratory of Kidney Diseases of Hebei Province, Shijiazhuang, China; Center of Metabolic Diseases and Cancer research, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang, 050017, China
| | - Yan Zhu
- Laboratorical center for Electron Microscopy, Hebei Medical University, Shijiazhuang, China
| | - Yan Yang
- Department of Pathology, Hebei Medical University; Key Laboratory of Kidney Diseases of Hebei Province, Shijiazhuang, China
| | - Lin Mu
- Department of Pathology, Hebei Medical University; Key Laboratory of Kidney Diseases of Hebei Province, Shijiazhuang, China
| | - Xue Yan
- Department of Pediatrics, the 2nd Affiliated Hospital of Hebei Medical University, Shijiazhuang, China
| | - Ming Wu
- Department of Pathology, Hebei Medical University; Key Laboratory of Kidney Diseases of Hebei Province, Shijiazhuang, China
| | - Chenming Zhou
- Center of Metabolic Diseases and Cancer research, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang, 050017, China
| | - Haijiang Wu
- Department of Pathology, Hebei Medical University; Key Laboratory of Kidney Diseases of Hebei Province, Shijiazhuang, China; Center of Metabolic Diseases and Cancer research, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang, 050017, China
| | - Wei Zhang
- Department of Pathology, Hebei Medical University; Key Laboratory of Kidney Diseases of Hebei Province, Shijiazhuang, China
| | - Yanhui Wu
- Clinical Medicine, College of Basic Medicine, Hebei Medical University, Shijiazhuang, China
| | - Guoyu Zhang
- Clinical Medicine, College of Basic Medicine, Hebei Medical University, Shijiazhuang, China
| | - Yue Hu
- Clinical Medicine, College of Basic Medicine, Hebei Medical University, Shijiazhuang, China
| | - Yunzhuo Ren
- Department of Pathology, Hebei Medical University; Key Laboratory of Kidney Diseases of Hebei Province, Shijiazhuang, China; Center of Metabolic Diseases and Cancer research, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang, 050017, China.
| | - Yonghong Shi
- Department of Pathology, Hebei Medical University; Key Laboratory of Kidney Diseases of Hebei Province, Shijiazhuang, China; Center of Metabolic Diseases and Cancer research, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang, 050017, China.
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Sedmaki K, Karnam K, Sharma P, Mahale A, Routholla G, Ghosh B, Prakash Kulkarni O. HDAC6 inhibition attenuates renal injury by reducing IL-1β secretion and RIP kinase mediated necroptosis in acute oxalate nephropathy. Int Immunopharmacol 2022; 110:108919. [PMID: 35717839 DOI: 10.1016/j.intimp.2022.108919] [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: 03/24/2022] [Revised: 05/19/2022] [Accepted: 05/31/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Pathogenesis of acute kidney injury is driven by necro-inflammation, which is comprised of IL-1β mediated inflammation and RIP-1 mediated tubular necroptosis. HDAC6 is reported to regulate both inflammation and cell death. In the present study, we explored the role of HDAC6 in the lysosomal exocytosis of IL-1β and RIP-1 mediated necroptosis in the context of oxalate nephropathy. METHODS Raw 264.7 macrophages and NRK52E stimulated with oxalate crystals and LPS with or without HDAC6 inhibitor for in vitro experiments. Acute oxalate nephropathy was induced in C57BL/6 mice by injecting sodium oxalate (75 mg/kg). For the drug intervention study, Tubastain A (TSA) was given an hour before injection of sodium oxalate. Mice were sacrificed 24 hrs after the oxalate injection, blood and kidney were harvested. Blood samples were analyzed for BUN and IL-1β levels. Renal tissues were analyzed for histology, immunohistochemistry, RNA, and protein expression. RESULTS HDAC6 and IL-1β upregulated in crystal stimulated macrophages and acute oxalate nephropathy. Pre-treatment of macrophages with TSA reduced IL-1β in supernatant without affecting the expression of pro-IL-1β and mature IL-1β in cell lysate. The effect of TSA on IL-1β secretion was influenced by tubulin acetylation. Renal epithelial cell NRK52E stimulated with crystals showed upregulation of necroptosis pathway markers and concentration-dependent cell death. TSA inhibited RIP-1, RIP3, and MLKL expression along with p-MLKL in stimulated epithelial cells. TSA treatment of oxalate nephropathy mice showed decreased inflammation and tubular cell death by regulating IL-1β and necroptosis and reduced renal injury. CONCLUSION This study highlights the role of HDAC6 in regulating the tubulin-mediated secretion of IL-1β and RIP kinase mediated necroptosis in acute oxalate nephropathy.
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Affiliation(s)
- Kavitha Sedmaki
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad campus, India
| | - Kalyani Karnam
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad campus, India
| | - Pravesh Sharma
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad campus, India
| | - Ashutosh Mahale
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad campus, India
| | - Ganesh Routholla
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad campus, India
| | - Balaram Ghosh
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad campus, India
| | - Onkar Prakash Kulkarni
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad campus, India.
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Huang J, Cao H, Cui B, Ma X, Gao L, Yu C, Shen F, Yang X, Liu N, Qiu A, Cai G, Zhuang S. Mesenchymal Stem Cells-Derived Exosomes Ameliorate Ischemia/Reperfusion Induced Acute Kidney Injury in a Porcine Model. Front Cell Dev Biol 2022; 10:899869. [PMID: 35686052 PMCID: PMC9171021 DOI: 10.3389/fcell.2022.899869] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 04/26/2022] [Indexed: 12/14/2022] Open
Abstract
Exosomes are membrane-enclosed vesicles secreted by cells, containing a variety of biologically active ingredients including proteins, nucleic acids and lipids. In this study, we investigated the therapeutic effects of the exosomes and underlying mechanisms in a miniature pig model of ischemia/reperfusion-induced acute kidney injury (I/R-AKI). The exosomes were extracted from cultured human umbilical cord derived mesenchymal stem cells (hUC-MSCs) and infused into a miniature pig model of I/R AKI. Our results showed that 120 min of unilateral ischemia followed by reperfusion and contralateral nephrectomy resulted in renal dysfunction, severe kidney damage, apoptosis and necroptosis. Intravenous infusion of one dose of exosomes collected from about 4 × 108 hUC-MSCs significantly improved renal function and reduced apoptosis and necroptosis. Administration of hUC-MSC exosomes also reduced the expression of some pro-inflammatory cytokines/chemokines, decreased infiltration of macrophages to the injured kidneys and suppressed the phosphorylation of nuclear factor-κB and signal transducer and activator of transcription 3, two transcriptional factors related to inflammatory regulation. Moreover, hUC-MSC exosomes could promote proliferation of renal tubular cells, angiogenesis and upregulation of Klotho and Bone Morphogenetic Protein 7, two renoprotective molecules and vascular endothelial growth factor A and its receptor. Collectively, our results suggest that injection of hUC-MSC exosomes could ameliorate I/R-AKI and accelerate renal tubular cell repair and regeneration, and that hUC-MSC exosomes may be used as a potential biological therapy for Acute kidney injury patients.
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Affiliation(s)
- Jianni Huang
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hao Cao
- Department of Cardiac Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Binbin Cui
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiaoyan Ma
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ling Gao
- Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chao Yu
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Fengchen Shen
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xinyu Yang
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Na Liu
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Andong Qiu
- School of Life Science and Technology, Advanced Institute of Translational Medicine, Tongji University, Shanghai, China
| | - Guangyan Cai
- Department of Nephrology, Chinese PLA General Hospital, Beijing, China
| | - Shougang Zhuang
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
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Liu C, Shen Y, Huang L, Wang J. TLR2/caspase-5/Panx1 pathway mediates necrosis-induced NLRP3 inflammasome activation in macrophages during acute kidney injury. Cell Death Dis 2022; 8:232. [PMID: 35473933 PMCID: PMC9042857 DOI: 10.1038/s41420-022-01032-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/13/2022] [Accepted: 04/13/2022] [Indexed: 11/19/2022]
Abstract
Acute kidney injury (AKI) is characterized by necroinflammation formed by necrotic tubular epithelial cells (TECs) and interstitial inflammation. In necroinflammation, macrophages are key inflammatory cells and can be activated and polarized into proinflammatory macrophages. Membranous Toll-like receptors (TLRs) can cooperate with intracellular NOD-like receptor protein 3 (NLRP3) to recognize danger signals from necrotic TECs and activate proinflammatory macrophages by assembling NLRP3 inflammasome. However, the cooperation between TLRs and NLRP3 is still unclear. Using conditioned medium from necrotic TECs, we confirmed that necrotic TECs could release danger signals to activate NLRP3 inflammasome in macrophages. We further identified that necrotic TECs-induced NLRP3 inflammasome activation was dependent on ATP secretion via Pannexin-1 (Panx1) channel in macrophages. Next, we verified that TLR2 was required for the activation of Panx1 and NLRP3 in macrophages. Mechanistically, we indicated that caspase-5 mediated TLR2-induced Panx1 activation. In addition, we showed that necrotic TECs-induced activation of TLR2/caspase-5/Panx1 axis could be decreased in macrophages when TECs was protected by N-acetylcysteine (NAC). Overall, we demonstrate that danger signals from necrotic TECs could activate NLRP3 inflammasome in macrophages via TLR2/caspase-5/Panx1 axis during AKI.
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Affiliation(s)
- Chongbin Liu
- Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
| | - Yanting Shen
- Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
| | - Liuwei Huang
- Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
| | - Jun Wang
- Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, PR China. .,Department of Nephrology, The First People's Hospital of Kashi, Kashi, PR China.
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Huang SUS, O’Sullivan KM. The Expanding Role of Extracellular Traps in Inflammation and Autoimmunity: The New Players in Casting Dark Webs. Int J Mol Sci 2022; 23:ijms23073793. [PMID: 35409152 PMCID: PMC8998317 DOI: 10.3390/ijms23073793] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/21/2022] [Accepted: 03/21/2022] [Indexed: 02/04/2023] Open
Abstract
The first description of a new form of neutrophil cell death distinct from that of apoptosis or necrosis was discovered in 2004 and coined neutrophil extracellular traps "(NETs)" or "NETosis". Different stimuli for NET formation, and pathways that drive neutrophils to commit to NETosis have been elucidated in the years that followed. Critical enzymes required for NET formation have been discovered and targeted therapeutically. NET formation is no longer restricted to neutrophils but has been discovered in other innate cells: macrophages/monocytes, mast Cells, basophils, dendritic cells, and eosinophils. Furthermore, extracellular DNA can also be extruded from both B and T cells. It has become clear that although this mechanism is thought to enhance host defense by ensnaring bacteria within large webs of DNA to increase bactericidal killing capacity, it is also injurious to innocent bystander tissue. Proteases and enzymes released from extracellular traps (ETs), injure epithelial and endothelial cells perpetuating inflammation. In the context of autoimmunity, ETs release over 70 well-known autoantigens. ETs are associated with pathology in multiple diseases: lung diseases, vasculitis, autoimmune kidney diseases, atherosclerosis, rheumatoid arthritis, cancer, and psoriasis. Defining these pathways that drive ET release will provide insight into mechanisms of pathological insult and provide potential therapeutic targets.
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Plants Used in Mexican Traditional Medicine for the Management of Urolithiasis: A Review of Preclinical Evidence, Bioactive Compounds, and Molecular Mechanisms. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27062008. [PMID: 35335370 PMCID: PMC8949565 DOI: 10.3390/molecules27062008] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/08/2022] [Accepted: 03/16/2022] [Indexed: 01/04/2023]
Abstract
Urolithiasis (UL) involves the formation of stones in different parts of the urinary tract. UL is a health problem, and its prevalence has increased considerably in developing countries. Several regions use plants in traditional medicine as an alternative in the treatment or prevention of UL. Mexico has known about the role of traditional medicine in the management of urinary stones. Mexican traditional medicine uses plants such as Argemone mexicana L., Berberis trifoliata Hartw. ex Lindl., Costus mexicanus Liebm, Chenopodium album L., Ammi visnaga (L.) Lam., Eysenhardtia polystachya (Ortega) Sarg., Selaginella lepidophylla (Hook. & Grev.) Spring, and Taraxacum officinale L. These plants contain different bioactive compounds, including polyphenols, flavonoids, phytosterols, saponins, furanochromones, alkaloids, and terpenoids, which could be effective in preventing the process of stone formation. Evidence suggests that their beneficial effects might be associated with litholytic, antispasmodic, and diuretic activities, as well as an inhibitory effect on crystallization, nucleation, and aggregation of crystals. The molecular mechanisms involving these effects could be related to antioxidant, anti-inflammatory, and antimicrobial properties. Thus, the review aims to summarize the preclinical evidence, bioactive compounds, and molecular mechanisms of the plants used in Mexican traditional medicine for the management of UL.
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Maremonti F, Meyer C, Linkermann A. Mechanisms and Models of Kidney Tubular Necrosis and Nephron Loss. J Am Soc Nephrol 2022; 33:472-486. [PMID: 35022311 PMCID: PMC8975069 DOI: 10.1681/asn.2021101293] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Understanding nephron loss is a primary strategy for preventing CKD progression. Death of renal tubular cells may occur by apoptosis during developmental and regenerative processes. However, during AKI, the transition of AKI to CKD, sepsis-associated AKI, and kidney transplantation ferroptosis and necroptosis, two pathways associated with the loss of plasma membrane integrity, kill renal cells. This necrotic type of cell death is associated with an inflammatory response, which is referred to as necroinflammation. Importantly, the necroinflammatory response to cells that die by necroptosis may be fundamentally different from the tissue response to ferroptosis. Although mechanisms of ferroptosis and necroptosis have recently been investigated in detail, the cell death propagation during tubular necrosis, although described morphologically, remains incompletely understood. Here, we argue that a molecular switch downstream of tubular necrosis determines nephron regeneration versus nephron loss. Unraveling the details of this "switch" must include the inflammatory response to tubular necrosis and regenerative signals potentially controlled by inflammatory cells, including the stimulation of myofibroblasts as the origin of fibrosis. Understanding in detail the molecular switch and the inflammatory responses to tubular necrosis can inform the discussion of therapeutic options.
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Affiliation(s)
- Francesca Maremonti
- Division of Nephrology, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Claudia Meyer
- Division of Nephrology, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
| | - Andreas Linkermann
- Division of Nephrology, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany .,Biotechnology Center, Technical University of Dresden, Dresden, Germany
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Gnemmi V, Li Q, Ma Q, De Chiara L, Carangelo G, Li C, Molina-Van den Bosch M, Romagnani P, Anders HJ, Steiger S. Asymptomatic Hyperuricemia Promotes Recovery from Ischemic Organ Injury by Modulating the Phenotype of Macrophages. Cells 2022; 11:cells11040626. [PMID: 35203277 PMCID: PMC8869798 DOI: 10.3390/cells11040626] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 02/03/2022] [Accepted: 02/08/2022] [Indexed: 02/07/2023] Open
Abstract
Acute organ injury, such as acute kidney injury (AKI) and disease (AKD), are major causes of morbidity and mortality worldwide. Hyperuricemia (HU) is common in patients with impaired kidney function but the impact of asymptomatic HU on the different phases of AKI/AKD is incompletely understood. We hypothesized that asymptomatic HU would attenuate AKD because soluble, in contrast to crystalline, uric acid (sUA) can attenuate sterile inflammation. In vitro, 10 mg/dL sUA decreased reactive oxygen species and interleukin-6 production in macrophages, while enhancing fatty acid oxidation as compared with a physiological concentration of 5 mg/dL sUA or medium. In transgenic mice, asymptomatic HU of 7–10 mg/dL did not affect post-ischemic AKI/AKD but accelerated the recovery of kidney excretory function on day 14. Improved functional outcome was associated with better tubular integrity, less peritubular inflammation, and interstitial fibrosis. Mechanistic studies suggested that HU shifted macrophage polarization towards an anti-inflammatory M2-like phenotype characterized by expression of anti-oxidative and metabolic genes as compared with post-ischemic AKI-chronic kidney disease transition in mice without HU. Our data imply that asymptomatic HU acts as anti-oxidant on macrophages and tubular epithelial cells, which endorses the recovery of kidney function and structure upon AKI.
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Affiliation(s)
- Viviane Gnemmi
- Service d’Anatomie Pathologique, Centre de Biologie Pathologique, CHU Lille, 59037 Lille, France;
- Division of Nephrology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (Q.L.); (Q.M.); (C.L.); (M.M.-V.d.B.); (H.-J.A.)
| | - Qiubo Li
- Division of Nephrology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (Q.L.); (Q.M.); (C.L.); (M.M.-V.d.B.); (H.-J.A.)
| | - Qiuyue Ma
- Division of Nephrology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (Q.L.); (Q.M.); (C.L.); (M.M.-V.d.B.); (H.-J.A.)
| | - Letizia De Chiara
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, 50139 Florence, Italy; (L.D.C.); (G.C.); (P.R.)
| | - Giulia Carangelo
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, 50139 Florence, Italy; (L.D.C.); (G.C.); (P.R.)
| | - Chenyu Li
- Division of Nephrology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (Q.L.); (Q.M.); (C.L.); (M.M.-V.d.B.); (H.-J.A.)
| | - Mireia Molina-Van den Bosch
- Division of Nephrology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (Q.L.); (Q.M.); (C.L.); (M.M.-V.d.B.); (H.-J.A.)
| | - Paola Romagnani
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, 50139 Florence, Italy; (L.D.C.); (G.C.); (P.R.)
| | - Hans-Joachim Anders
- Division of Nephrology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (Q.L.); (Q.M.); (C.L.); (M.M.-V.d.B.); (H.-J.A.)
| | - Stefanie Steiger
- Division of Nephrology, Department of Medicine IV, University Hospital, Ludwig-Maximilians-University Munich, 80336 Munich, Germany; (Q.L.); (Q.M.); (C.L.); (M.M.-V.d.B.); (H.-J.A.)
- Correspondence:
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Yang Y, Huang Y, Zeng Z. Advances in cGAS-STING Signaling Pathway and Diseases. Front Cell Dev Biol 2022; 10:800393. [PMID: 35186921 PMCID: PMC8851069 DOI: 10.3389/fcell.2022.800393] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 01/03/2022] [Indexed: 12/14/2022] Open
Abstract
Pathogens can produce conserved pathogen-associated molecular patterns (PAMPs) after invading the body, which can be specifically recognized by host pattern recognition receptors (PRRs). In recent years, it has been found that cytoplasmic DNA receptors recognize exogenous DNA inducing activation of interferon 1 (IFN1), which is a rapid advance in various research areas. The cyclic GMP–AMP synthase (cGAS) stimulator of interferon gene (STING) signaling pathway is a critical natural immune pathway in cells. Early studies revealed that it plays a crucial regulatory role in pathogen infection and tumor, and it is associated with various human autoimmune diseases. Recently studies have found that activation of cGAS-STING signaling pathway is related to different organ injuries. The present review elaborates on the regulation of the cGAS-STING signaling pathway and its role in various diseases, aiming to provide a theoretical basis for immunotherapy targeting this pathway.
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Wang Y, Zhang M, Bi R, Su Y, Quan F, Lin Y, Yue C, Cui X, Zhao Q, Liu S, Yang Y, Zhang D, Cao Q, Gao X. ACSL4 deficiency confers protection against ferroptosis-mediated acute kidney injury. Redox Biol 2022; 51:102262. [PMID: 35180475 PMCID: PMC8857079 DOI: 10.1016/j.redox.2022.102262] [Citation(s) in RCA: 126] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 02/07/2022] [Indexed: 12/30/2022] Open
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Molecular Mechanisms of Kidney Injury and Repair. Int J Mol Sci 2022; 23:ijms23031542. [PMID: 35163470 PMCID: PMC8835923 DOI: 10.3390/ijms23031542] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 01/24/2022] [Accepted: 01/26/2022] [Indexed: 12/17/2022] Open
Abstract
Chronic kidney disease (CKD) will become the fifth global cause of death by 2040, thus emphasizing the need to better understand the molecular mechanisms of damage and regeneration in the kidney. CKD predisposes to acute kidney injury (AKI) which, in turn, promotes CKD progression. This implies that CKD or the AKI-to-CKD transition are associated with dysfunctional kidney repair mechanisms. Current therapeutic options slow CKD progression but fail to treat or accelerate recovery from AKI and are unable to promote kidney regeneration. Unraveling the cellular and molecular mechanisms involved in kidney injury and repair, including the failure of this process, may provide novel biomarkers and therapeutic tools. We now review the contribution of different molecular and cellular events to the AKI-to-CKD transition, focusing on the role of macrophages in kidney injury, the different forms of regulated cell death and necroinflammation, cellular senescence and the senescence-associated secretory phenotype (SAPS), polyploidization, and podocyte injury and activation of parietal epithelial cells. Next, we discuss key contributors to repair of kidney injury and opportunities for their therapeutic manipulation, with a focus on resident renal progenitor cells, stem cells and their reparative secretome, certain macrophage subphenotypes within the M2 phenotype and senescent cell clearance.
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