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Li ZL, Li XY, Zhou Y, Wang B, Lv LL, Liu BC. Renal tubular epithelial cells response to injury in acute kidney injury. EBioMedicine 2024; 107:105294. [PMID: 39178744 DOI: 10.1016/j.ebiom.2024.105294] [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: 04/27/2024] [Revised: 07/19/2024] [Accepted: 08/06/2024] [Indexed: 08/26/2024] Open
Abstract
Acute kidney injury (AKI) is a clinical syndrome characterized by a rapid and significant decrease in renal function that can arise from various etiologies, and is associated with high morbidity and mortality. The renal tubular epithelial cells (TECs) represent the central cell type affected by AKI, and their notable regenerative capacity is critical for the recovery of renal function in afflicted patients. The adaptive repair process initiated by surviving TECs following mild AKI facilitates full renal recovery. Conversely, when injury is severe or persistent, it allows the TECs to undergo pathological responses, abnormal adaptive repair and phenotypic transformation, which will lead to the development of renal fibrosis. Given the implications of TECs fate after injury in renal outcomes, a deeper understanding of these mechanisms is necessary to identify promising therapeutic targets and biomarkers of the repair process in the human kidney.
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Affiliation(s)
- Zuo-Lin Li
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Xin-Yan Li
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Yan Zhou
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Bin Wang
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Lin-Li Lv
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China.
| | - Bi-Cheng Liu
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China.
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Fan Y, Xu Y, Huo Z, Zhang H, Peng L, Jiang X, Thomson AW, Dai H. Role of triggering receptor expressed on myeloid cells-1 in kidney diseases: A biomarker and potential therapeutic target. Chin Med J (Engl) 2024; 137:1663-1673. [PMID: 38809056 PMCID: PMC11268828 DOI: 10.1097/cm9.0000000000003197] [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: 02/05/2024] [Indexed: 05/30/2024] Open
Abstract
ABSTRACT Triggering receptor expressed on myeloid cells-1 (TREM-1) is a member of the immunoglobulin superfamily. As an amplifier of the inflammatory response, TREM-1 is mainly involved in the production of inflammatory mediators and the regulation of cell survival. TREM-1 has been studied in infectious diseases and more recently in non-infectious disorders. More and more studies have shown that TREM-1 plays an important pathogenic role in kidney diseases. There is evidence that TREM-1 can not only be used as a biomarker for diagnosis of disease but also as a potential therapeutic target to guide the development of novel therapeutic agents for kidney disease. This review summarized molecular biology of TREM-1 and its signaling pathways as well as immune response in the progress of acute kidney injury, renal fibrosis, diabetic nephropathy, immune nephropathy, and renal cell carcinoma.
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Affiliation(s)
- Yuxi Fan
- Department of Immunology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
- Department of Kidney Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Ye Xu
- Department of Kidney Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
- Medical College of Guangxi University, Nanning, Guangxi 530004, China
| | - Zhi Huo
- Department of Immunology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Hedong Zhang
- Department of Kidney Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Longkai Peng
- Department of Kidney Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Xin Jiang
- Department of Organ Transplantation, The Fifth Clinical Medical College of Henan University of Chinese Medicine (Zhengzhou People’s Hospital), Zhengzhou, Henan 450000, China
| | - Angus W. Thomson
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | - Helong Dai
- Department of Kidney Transplantation, Center of Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
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Qu J, Pei H, Li XZ, Li Y, Chen JM, Zhang M, Lu ZQ. Erythrocyte membrane biomimetic EGCG nanoparticles attenuate renal injury induced by diquat through the NF-κB/NLRP3 inflammasome pathway. Front Pharmacol 2024; 15:1414918. [PMID: 39045044 PMCID: PMC11263105 DOI: 10.3389/fphar.2024.1414918] [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: 04/09/2024] [Accepted: 06/14/2024] [Indexed: 07/25/2024] Open
Abstract
Diquat (DQ) poisoning can cause multiple organ damage, and the kidney is considered to be the main target organ. Increasing evidence shows that alleviating oxidative stress and inflammatory response has promising application prospects. Epigallocatechin gallate (EGCG) has potent antioxidant and anti-inflammatory effects. In this study, red blood cell membrane (RBCm)-camouflaged polylactic-co-glycolic acid (PLGA) nanoparticles (NPs) were synthesized to deliver EGCG (EGCG-RBCm/NPs) for renal injury induced by DQ. Human renal tubular epithelial cells (HK-2 cells) were stimulated with 600 μM DQ for 12 h and mice were intraperitoneally injected with 50 mg/kg b.w. DQ, followed by 20 mg/kg b.w./day EGCG or EGCG-RBCM/NPs for 3 days. The assessment of cellular vitality was carried out using the CCK-8 assay, while the quantification of reactive oxygen species (ROS) was performed through ROS specific probes. Apoptosis analysis was conducted by both flow cytometry and TUNEL staining methods. Pathological changes in renal tissue were observed. The expressions of NLRP3, IL-1β, IL-18, NFκB and Caspase1 were detected by quantitative reverse transcription polymerase chain reaction (qRT-PCR), immunohistochemistry, immunofluorescence, and Western blot. The results showed that the DQ group had increased ROS expression, increased the level of oxidative stress, and increased apoptosis rate compared with the control group. Histopathological analysis of mice in the DQ group showed renal tubular injury and elevated levels of blood urea nitrogen (BUN), serum creatinine (SCr), kidney injury molecule-1 (KIM-1), and cystatin C (Cys C). Furthermore, the DQ group exhibited heightened expression of NLRP3, p-NFκB p65, Caspase1 p20, IL-1β, and IL-18. However, EGCG-RBCm/NPs treatment mitigated DQ-induced increases in ROS, apoptosis, and oxidative stress, as well as renal toxicity and decreases in renal biomarker levels. Meanwhile, the expression of the above proteins were significantly decreased, and the survival rate of mice was ultimately improved, with an effect better than that of the EGCG treatment group. In conclusion, EGCG-RBCm/NPs can improve oxidative stress, inflammation, and apoptosis induced by DQ. This effect is related to the NF-κB/NLRP3 inflammasome pathway. Overall, this study provides a new approach for treating renal injury induced by DQ.
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Affiliation(s)
- Jie Qu
- Emergency Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- Wenzhou Key Laboratory of Emergency and Disaster Medicine, Wenzhou, China
| | - Hui Pei
- Emergency Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- Wenzhou Key Laboratory of Emergency and Disaster Medicine, Wenzhou, China
| | - Xin-Ze Li
- Emergency Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- Wenzhou Key Laboratory of Emergency and Disaster Medicine, Wenzhou, China
| | - Yan Li
- Emergency Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- Wenzhou Key Laboratory of Emergency and Disaster Medicine, Wenzhou, China
| | - Jian-Ming Chen
- Emergency Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- Wenzhou Key Laboratory of Emergency and Disaster Medicine, Wenzhou, China
| | - Min Zhang
- Emergency Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- Wenzhou Key Laboratory of Emergency and Disaster Medicine, Wenzhou, China
| | - Zhong-Qiu Lu
- Emergency Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- Wenzhou Key Laboratory of Emergency and Disaster Medicine, Wenzhou, China
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Yu J, Da J, Yu F, Yuan J, Zha Y. HMGN1 down-regulation in the diabetic kidney attenuates tubular cells injury and protects against renal inflammation via suppressing MCP-1 and KIM-1 expression through TLR4. J Endocrinol Invest 2024; 47:1015-1027. [PMID: 38409569 DOI: 10.1007/s40618-023-02292-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 12/20/2023] [Indexed: 02/28/2024]
Abstract
BACKGROUND Renal tubular injury, accompanied by damaging inflammation, has been identified to drive diabetic kidney disease (DKD) toward end-stage renal disease. However, it is unclear how damage-associated molecular patterns (DAMPs) activate innate immunity to mediate tubular epithelial cell (TEC) injury, which in turn causes with subsequent sterile inflammation in diabetic kidneys. High mobility group nucleosome-binding protein 1 (HMGN1) is a novel DAMP that contributes to generating the innate immune response. In this study, we focused on determining whether HMGN1 is involved in DKD progression. METHODS Streptozotocin (STZ)-induced diabetic mice model was established. Then we downrergulated HMGN1 expression in kidney with or without HMGN1 administration. The renal dysfunction and morphological lesions in the kidneys were evaluated. The expressions of KIM-1, MCP-1, F4/80, CD68, and HMGN1/TLR4 signaling were examined in the renal tissue. In vitro, HK2 cells were exposed in the high glucose with or without HMGN1, and further pre-incubated with TAK242 was applied to elucidate the underlying mechanism. RESULTS We demonstrated that HMGN1 was upregulated in the tubular epithelial cells of streptozotocin (STZ)-induced type 1 and type 2 diabetic mouse kidneys compared to controls, while being positively correlated with increased TLR4, KIM-1, and MCP-1. Down-regulation of renal HMGN1 attenuated diabetic kidney injury, decreased the TLR4, KIM-1, and MCP-1 expression levels, and reduced interstitial infiltrating macrophages. However, these phenotypes were reversed after administration of HMGN1. In HK-2 cells, HMGN1 promoted the expression of KIM-1 and MCP-1 via regulating MyD88/NF-κB pathway; inhibition of TLR4 effectively diminished the in vitro response to HMGN1. CONCLUSIONS Our study provides novel insight into HMGN1 signaling mechanisms that contribute to tubular sterile injury and low-grade inflammation in DKD. The study findings may help to develop new HMGN1-targeted approaches as therapy for immune-mediated kidney damage rather than as an anti-infection treatments.
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Affiliation(s)
- J Yu
- School of Medicine, Guizhou University, Guiyang, Guizhou, China
- Department of Nephrology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China
| | - J Da
- Department of Nephrology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China
| | - F Yu
- School of Medicine, Guizhou University, Guiyang, Guizhou, China
- NHC Key Laboratory of Pulmonary Immunological Disease, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China
| | - J Yuan
- Department of Nephrology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China
| | - Y Zha
- Department of Nephrology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China.
- NHC Key Laboratory of Pulmonary Immunological Disease, Guizhou Provincial People's Hospital, Guiyang, Guizhou, China.
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Khedr LH, Rahmo RM, Eldemerdash OM, Helmy EM, Ramzy FA, Lotfy GH, Zakaria HA, Gad MM, Youhanna MM, Samaan MH, Thabet NW, Ghazal RH, Rabie MA. Implication of M2 macrophage on NLRP3 inflammasome signaling in mediating the neuroprotective effect of Canagliflozin against methotrexate-induced cognitive impairment. Int Immunopharmacol 2024; 130:111709. [PMID: 38377857 DOI: 10.1016/j.intimp.2024.111709] [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: 01/07/2024] [Revised: 02/02/2024] [Accepted: 02/13/2024] [Indexed: 02/22/2024]
Abstract
Methotrexate (MTX), a chemotherapeutic antimetabolite, has been linked to cognitive impairment in cancer patients. MTX-induced metabolic pathway disruption may result in decreased antioxidant activity and increased oxidative stress, influencing hippocampal neurogenesis and microglial activation. Nuclear factor-kappa B (NF-κB), an oxidative stress byproduct, has been linked to MTX toxicity via the activation of NLRP3 inflammasome signaling. Macrophage activation and polarization plays an important role in tissue injury. This differentiation may be mediated via either the Toll-like receptor 4 (TLR4) or NLRP3 inflammasome. Interestingly, Canagliflozin (CANA), a sodium-glucose cotransporter 2 (SGLT2) inhibitor has been recently reported to exert anti-inflammatory effects by modulating macrophage polarization balance. This study aimed to investigate CANA's protective effect against MTX-induced cognitive impairment, highlighting the possible involvement of TLR4/ NF-κB crosstalk with NLRP3 inflammasome activation and macrophage polarization. Forty-eight Male Wistar rats were divided into 4 groups; (1) received saline orally for 30 days and intravenously on days 8 and 15. (2) received Canagliflozin (CANA; 20 mg/kg/day; p.o.) for 30 days. (3) received MTX (75 mg/kg, i.v.) on day 8 and 15, then they were injected with four i.p. injections of leucovorin (LCV): the first dose was 6 mg/ kg after 18 h, and the remaining doses were 3 mg/kg after 26, 42, and 50 h of MTX administration. (4) received MTX and LCV as in group 3 in addition to CANA as in group 2. MTX-treated rats showed cognitive deficits in spatial and learning memory as evidenced in the novel object recognition and Morris water maze tests. MTX exerted an oxidative effect which was evident by the increase in MDA and decline in SOD, GSH and GPx. Moreover, it exerted an inflammatory effect via elevated caspase-1, IL-1β and IL-8. CANA treatment restored cognitive ability, reduced MTX-induced oxidative stress and neuroinflammation via attenuation of TLR4/NF-κB/NLRP3 signaling, and rebalanced macrophage polarization by promoting the M2 phenotype. Hence, targeting molecular mechanisms manipulating macrophage polarization may offer novel neuroprotective strategies for preventing or treating MTX-induced immune modulation and its detrimental sequel.
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Affiliation(s)
- Lobna H Khedr
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Rania M Rahmo
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Omar M Eldemerdash
- Department of Biochemistry, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Engy M Helmy
- Pharmacy Senior Students, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Felopateer A Ramzy
- Pharmacy Senior Students, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - George H Lotfy
- Pharmacy Senior Students, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Habiba A Zakaria
- Pharmacy Senior Students, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Marine M Gad
- Pharmacy Senior Students, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Marina M Youhanna
- Pharmacy Senior Students, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Manar H Samaan
- Pharmacy Senior Students, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Nevert W Thabet
- Pharmacy Senior Students, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Reem H Ghazal
- Pharmacy Senior Students, Faculty of Pharmacy, Misr International University (MIU), Cairo 44971, Egypt
| | - Mostafa A Rabie
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, 11562 Cairo, Egypt.
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Otunla AA, Shanmugarajah K, Davies AH, Shalhoub J. Lipotoxicity and immunometabolism in ischemic acute kidney injury: current perspectives and future directions. Front Pharmacol 2024; 15:1355674. [PMID: 38464721 PMCID: PMC10924325 DOI: 10.3389/fphar.2024.1355674] [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: 12/14/2023] [Accepted: 02/12/2024] [Indexed: 03/12/2024] Open
Abstract
Dysregulated lipid metabolism is implicated in the pathophysiology of a range of kidney diseases. The specific mechanisms through which lipotoxicity contributes to acute kidney injury (AKI) remain poorly understood. Herein we review the cardinal features of lipotoxic injury in ischemic kidney injury; lipid accumulation and mitochondrial lipotoxicity. We then explore a new mechanism of lipotoxicity, what we define as "immunometabolic" lipotoxicity, and discuss the potential therapeutic implications of targeting this lipotoxicity using lipid lowering medications.
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Affiliation(s)
- Afolarin A. Otunla
- Department of Surgical Biotechnology, University College London, London, United Kingdom
| | | | - Alun H. Davies
- UK and Imperial Vascular Unit, Section of Vascular Surgery, Department of Surgery and Cancer, Imperial College London, Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Joseph Shalhoub
- UK and Imperial Vascular Unit, Section of Vascular Surgery, Department of Surgery and Cancer, Imperial College London, Imperial College Healthcare NHS Trust, London, United Kingdom
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Yi X, Song Y, Xu J, Wang L, Liu L, Huang D, Zhang L. NLRP10 promotes AGEs-induced NLRP1 and NLRP3 inflammasome activation via ROS/MAPK/NF-κB signaling in human periodontal ligament cells. Odontology 2024; 112:100-111. [PMID: 37043073 DOI: 10.1007/s10266-023-00813-0] [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: 11/01/2022] [Accepted: 04/03/2023] [Indexed: 04/13/2023]
Abstract
Diabetes mellitus (DM), characterized by production and accumulation of advanced glycation end products (AGEs), induces and promotes chronic inflammation in tissues, including periodontal tissue. Increasing amount of epidemiological and experimental evidence demonstrated that more extensive inflammatory reaction and bone resorption occurred in periodontal tissues in diabetic patients with periodontitis, which is speculated to be related to NLRP3 inflammasome. NLRP10 is the only NOD-like receptor protein lacking leucine-rich repeats, suggesting that NLRP10 may be a regulatory protein. The aim of this study was to investigate the regulatory role of NLRP10 on NLRP1 and NLRP3 inflammasome in human periodontal ligament cells (HPDLCs) under AGEs treatment. Expression of NLRP10 in HPDLCs stimulated with 100 ug/mL AGEs for 24 h was observed. Detection of TRIM31 is conducted, and in TRIM31-overexpressed HPDLCs, the interaction between NLRP10 with TRIM31 as well as NLRP10 with ubiquitination were explored by immunoprecipitation. Under AGEs stimulation, the activation of reactive oxidative stress (ROS) and inflammatory signaling pathway (NF-κB, MAPK pathway) was detected by biomedical microscope and western blot (WB), respectively. After stimulation with AGEs for 24 h with or without silencing NLRP10, inflammatory cytokines (IL-6 and IL-1β), NF-κB, MAPK pathway, ROS, and components of inflammasome were assessed. In HPDLCs, we found AGEs induced NLRP10 and inhibited TRIM31. TRIM31 overexpression significantly enhanced interaction between TRIM31 and NLRP10, then induced proteasomal degradation of NLRP10. Moreover, under AGEs stimulation, NLRP10 positively regulates NLRP1, NLRP3 inflammasomes by activating NF-κB, MAPK pathway, and increasing ROS, finally promoting the expression of inflammatory cytokines. Together, we, for the first time, confirmed that NLRP10 could promote inflammatory response induced by AGEs in HPDLCs via activation of NF-κB, and MAPK pathway and increasing ROS.
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Affiliation(s)
- Xiaowei Yi
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, 14# Third Section, Renmin Nan Road, Chengdu, 610041, China
| | - Yao Song
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, 14# Third Section, Renmin Nan Road, Chengdu, 610041, China
| | - Jialei Xu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, 14# Third Section, Renmin Nan Road, Chengdu, 610041, China
| | - Liu Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, 14# Third Section, Renmin Nan Road, Chengdu, 610041, China
| | - Liu Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, 14# Third Section, Renmin Nan Road, Chengdu, 610041, China
| | - Dingming Huang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, 14# Third Section, Renmin Nan Road, Chengdu, 610041, China
| | - Lan Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, 14# Third Section, Renmin Nan Road, Chengdu, 610041, China.
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Yang M, Zhang C. The role of innate immunity in diabetic nephropathy and their therapeutic consequences. J Pharm Anal 2024; 14:39-51. [PMID: 38352948 PMCID: PMC10859537 DOI: 10.1016/j.jpha.2023.09.003] [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: 02/26/2023] [Revised: 07/12/2023] [Accepted: 09/05/2023] [Indexed: 02/16/2024] Open
Abstract
Diabetic nephropathy (DN) is an enduring condition that leads to inflammation and affects a substantial number of individuals with diabetes worldwide. A gradual reduction in glomerular filtration and emergence of proteins in the urine are typical aspects of DN, ultimately resulting in renal failure. Mounting evidence suggests that immunological and inflammatory factors are crucial for the development of DN. Therefore, the activation of innate immunity by resident renal and immune cells is critical for initiating and perpetuating inflammation. Toll-like receptors (TLRs) are an important group of receptors that identify patterns and activate immune responses and inflammation. Meanwhile, inflammatory responses in the liver, pancreatic islets, and kidneys involve inflammasomes and chemokines that generate pro-inflammatory cytokines. Moreover, the activation of the complement cascade can be triggered by glycated proteins. This review highlights recent findings elucidating how the innate immune system contributes to tissue fibrosis and organ dysfunction, ultimately leading to renal failure. This review also discusses innovative approaches that can be utilized to modulate the innate immune responses in DN for therapeutic purposes.
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Affiliation(s)
- Min Yang
- Department of Nephrology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Chun Zhang
- Department of Nephrology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
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9
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Plonsky-Toder M, Magen D, Pollack S. Innate Immunity and CKD: Is There a Significant Association? Cells 2023; 12:2714. [PMID: 38067142 PMCID: PMC10705738 DOI: 10.3390/cells12232714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/20/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
Chronic kidney disease (CKD) constitutes a worldwide epidemic, affecting approximately 10% of the global population, and imposes significant medical, psychological, and financial burdens on society. Individuals with CKD often face elevated morbidity and mortality rates, mainly due to premature cardiovascular events. Chronic inflammation has been shown to play a significant role in the progression of CKD, as well as in the acceleration of CKD-related complications, including atherosclerosis, cardiovascular disease (CVD), protein-energy wasting, and the aging process. Over the past two decades, a substantial body of evidence has emerged, identifying chronic inflammation as a central element of the uremic phenotype. Chronic inflammation has been shown to play a significant role in the progression of CKD, as well as in the acceleration of CKD-related complications in dialysis patients, including atherosclerosis, CVD, protein-energy wasting, and the aging process. Remarkably, chronic inflammation also impacts patients with CKD who have not yet required renal replacement therapy. While extensive research has been conducted on the involvement of both the adaptive and innate immune systems in the pathogenesis of CKD-related complications, this wealth of data has not yet yielded well-established, effective treatments to counteract this ongoing pathological process. In the following review, we will examine the established components of the innate immune system known to be activated in CKD and provide an overview of the current therapeutic approaches designed to mitigate CKD-related chronic inflammation.
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Affiliation(s)
- Moran Plonsky-Toder
- Pediatric Nephrology Institution, Rambam Health Care Campus, Haifa 3109601, Israel
- Faculty of Medicine, Technion-Israeli Institute of Technology, Haifa 3109601, Israel
| | - Daniella Magen
- Pediatric Nephrology Institution, Rambam Health Care Campus, Haifa 3109601, Israel
- Faculty of Medicine, Technion-Israeli Institute of Technology, Haifa 3109601, Israel
| | - Shirley Pollack
- Pediatric Nephrology Institution, Rambam Health Care Campus, Haifa 3109601, Israel
- Faculty of Medicine, Technion-Israeli Institute of Technology, Haifa 3109601, Israel
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10
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Altamura S, Pietropaoli D, Lombardi F, Del Pinto R, Ferri C. An Overview of Chronic Kidney Disease Pathophysiology: The Impact of Gut Dysbiosis and Oral Disease. Biomedicines 2023; 11:3033. [PMID: 38002033 PMCID: PMC10669155 DOI: 10.3390/biomedicines11113033] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/02/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023] Open
Abstract
Chronic kidney disease (CKD) is a severe condition and a significant public health issue worldwide, carrying the burden of an increased risk of cardiovascular events and mortality. The traditional factors that promote the onset and progression of CKD are cardiometabolic risk factors like hypertension and diabetes, but non-traditional contributors are escalating. Moreover, gut dysbiosis, inflammation, and an impaired immune response are emerging as crucial mechanisms in the disease pathology. The gut microbiome and kidney disease exert a reciprocal influence commonly referred to as "the gut-kidney axis" through the induction of metabolic, immunological, and endocrine alterations. Periodontal diseases are strictly involved in the gut-kidney axis for their impact on the gut microbiota composition and for the metabolic and immunological alterations occurring in and reciprocally affecting both conditions. This review aims to provide an overview of the dynamic biological interconnections between oral health status, gut, and renal pathophysiology, spotlighting the dynamic oral-gut-kidney axis and raising whether periodontal diseases and gut microbiota can be disease modifiers in CKD. By doing so, we try to offer new insights into therapeutic strategies that may enhance the clinical trajectory of CKD patients, ultimately advancing our quest for improved patient outcomes and well-being.
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Affiliation(s)
- Serena Altamura
- Department of Life, Health & Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.A.); (D.P.); (C.F.)
- PhD School in Medicine and Public Health, Center of Oral Diseases, Prevention and Translational Research—Dental Clinic, 67100 L’Aquila, Italy
- Oral Diseases and Systemic Interactions Study Group (ODISSY Group), 67100 L’Aquila, Italy
| | - Davide Pietropaoli
- Department of Life, Health & Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.A.); (D.P.); (C.F.)
- Oral Diseases and Systemic Interactions Study Group (ODISSY Group), 67100 L’Aquila, Italy
- Center of Oral Diseases, Prevention and Translational Research—Dental Clinic, 67100 L’Aquila, Italy
| | - Francesca Lombardi
- Laboratory of Immunology and Immunopathology, Department of Life, Health & Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy;
| | - Rita Del Pinto
- Department of Life, Health & Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.A.); (D.P.); (C.F.)
- Oral Diseases and Systemic Interactions Study Group (ODISSY Group), 67100 L’Aquila, Italy
- Unit of Internal Medicine and Nephrology, Center for Hypertension and Cardiovascular Prevention, San Salvatore Hospital, 67100 L’Aquila, Italy
| | - Claudio Ferri
- Department of Life, Health & Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.A.); (D.P.); (C.F.)
- Oral Diseases and Systemic Interactions Study Group (ODISSY Group), 67100 L’Aquila, Italy
- Unit of Internal Medicine and Nephrology, Center for Hypertension and Cardiovascular Prevention, San Salvatore Hospital, 67100 L’Aquila, Italy
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11
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Liu F, Chen H, Cao C, Liang Y, Zhou Y. The role of toll-like receptors (TLRs) and their therapeutic applications in glomerulonephritis. Int Urol Nephrol 2023; 55:2845-2856. [PMID: 37060433 DOI: 10.1007/s11255-023-03592-3] [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: 10/07/2022] [Accepted: 04/07/2023] [Indexed: 04/16/2023]
Abstract
One of the most important features of innate immunity is the presence of a special group of pattern recognition receptors (PRRs) called toll-like receptors (TLRs), which recognize pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs), resulting in a quick and effective immune response to them. Glomerulonephritis (GN) is one of the most important categories of renal disorders characterized by destructive responses of the immune system to the glomerulus. To date, the association of TLRs as important innate immune system members with GN has been one of the topics that attracted the attention of researchers in this field. However, the exact role of these receptors in the immunopathogenesis of GN has not yet been fully discussed. Therefore, this study aims to overview the role of TLRs in GN and the possibility of using them as a potential therapeutic target.
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Affiliation(s)
- Feiyan Liu
- Hemodialysis Room, Nanchang First Hospital, No. 128, Xiangshan North Road, Nanchang, Jiangxi, China
| | - Huimin Chen
- Hemodialysis Room, Nanchang First Hospital, No. 128, Xiangshan North Road, Nanchang, Jiangxi, China
| | - Caixia Cao
- Hemodialysis Room, Nanchang First Hospital, No. 128, Xiangshan North Road, Nanchang, Jiangxi, China
| | - Yanlin Liang
- Hemodialysis Room, Nanchang First Hospital, No. 128, Xiangshan North Road, Nanchang, Jiangxi, China
| | - Ying Zhou
- Hemodialysis Room, Nanchang First Hospital, No. 128, Xiangshan North Road, Nanchang, Jiangxi, China.
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Vazquez G, Sfakianos M, Coppa G, Jacob A, Wang P. NOVEL PS-OME MIRNA130B-3P REDUCES INFLAMMATION AND INJURY AND IMPROVES SURVIVAL AFTER RENAL ISCHEMIA-REPERFUSION INJURY. Shock 2023; 60:613-620. [PMID: 37594792 PMCID: PMC10592167 DOI: 10.1097/shk.0000000000002211] [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] [Indexed: 08/19/2023]
Abstract
ABSTRACT Introduction : Acute kidney injury (AKI) is a prevalent medical disorder characterized by a sudden decline in kidney function, often because of ischemia/reperfusion (I/R) events. It is associated with significant chronic complications, and currently available therapies are limited to supportive measures. Extracellular cold-inducible RNA-binding protein (eCIRP) has been identified as a mediator that potentiates inflammation after I/R injury. However, it has been discovered that miRNA 130b-3p acts as an endogenous inhibitor of eCIRP. To address the inherent instability of miRNA in vivo , a chemically modified miRNA mimic called PS-OME miR130 was developed. We hypothesize that administration of PS-OME miR130 after renal I/R can lead to reduced inflammation and injury in a murine model of AKI. Methods : C57BL/6 male mice underwent renal I/R by clamping of bilateral renal hilum for 30 min or sham operation. Immediately after closure, mice were intravenously administered vehicle (phosphate-buffered saline) or PS-OME miR130 at a dose of 12.5 nmol/mouse. Blood and kidneys were collected after 24 h for further analysis. Separately, mice underwent renal I/R and administered vehicle or treatment and, survival was monitored for 10 days. Results : After renal I/R, mice receiving vehicle showed a significant increase in serum markers of kidney injury and inflammation including blood urea nitrogen, NGAL, KIM-1, and IL-6. After treatment with PS-OME miR130, these markers were significantly decreased. Kidney tissue mRNA expression for injury and inflammation markers including NGAL, KIM-1, KC, and MIP-2 were increased after renal I/R; however, these markers showed a significant reduction with PS-OME miR130 treatment. Histologically, treatment with PS-OME miR130 showed a significant decrease in neutrophil infiltration and injury severity score, and decreased apoptosis. In the 10-day survival study, mice in the treatment group showed a significant reduction in mortality as compared with vehicle group. Conclusion : In a murine renal I/R model, the administration of PS-OME miR130, a direct eCIRP antagonistic miRNA mimic, resulted in the reduction of kidney inflammation and injury, and improved survival. PS-OME miR130 holds promise to be developed as novel therapeutic for AKI as an adjunct to the standard of care.
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Affiliation(s)
- Gustavo Vazquez
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Department of Surgery, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Maria Sfakianos
- Department of Surgery, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Gene Coppa
- Department of Surgery, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Asha Jacob
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Department of Surgery, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
| | - Ping Wang
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Department of Surgery, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States
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13
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Novacescu D, Latcu SC, Bardan R, Daminescu L, Cumpanas AA. Contemporary Biomarkers for Renal Transplantation: A Narrative Overview. J Pers Med 2023; 13:1216. [PMID: 37623466 PMCID: PMC10456039 DOI: 10.3390/jpm13081216] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/18/2023] [Accepted: 07/28/2023] [Indexed: 08/26/2023] Open
Abstract
Renal transplantation (RT) is the preferred treatment for end-stage renal disease. However, clinical challenges persist, i.e., early detection of graft dysfunction, timely identification of rejection episodes, personalization of immunosuppressive therapy, and prediction of long-term graft survival. Biomarkers have emerged as valuable tools to address these challenges and revolutionize RT patient care. Our review synthesizes the existing scientific literature to highlight promising biomarkers, their biological characteristics, and their potential roles in enhancing clinical decision-making and patient outcomes. Emerging non-invasive biomarkers seemingly provide valuable insights into the immunopathology of nephron injury and allograft rejection. Moreover, we analyzed biomarkers with intra-nephron specificities, i.e., glomerular vs. tubular (proximal vs. distal), which can localize an injury in different nephron areas. Additionally, this paper provides a comprehensive analysis of the potential clinical applications of biomarkers in the prediction, detection, differential diagnosis and assessment of post-RT non-surgical allograft complications. Lastly, we focus on the pursuit of immune tolerance biomarkers, which aims to reclassify transplant recipients based on immune risk thresholds, guide personalized immunosuppression strategies, and ultimately identify patients for whom immunosuppression may safely be reduced. Further research, validation, standardization, and prospective studies are necessary to fully harness the clinical utility of RT biomarkers and guide the development of targeted therapies.
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Affiliation(s)
- Dorin Novacescu
- Doctoral School, Victor Babes University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square, No. 2, 300041 Timisoara, Romania;
| | - Silviu Constantin Latcu
- Doctoral School, Victor Babes University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square, No. 2, 300041 Timisoara, Romania;
- Department of Urology, “Pius Brinzeu” Timisoara County Emergency Hospital, Liviu Rebreanu Boulevard, Nr. 156, 300723 Timisoara, Romania; (R.B.); (L.D.); (A.A.C.)
- Department XV, Discipline of Urology, Victor Babes University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square, No. 2, 300041 Timisoara, Romania
| | - Razvan Bardan
- Department of Urology, “Pius Brinzeu” Timisoara County Emergency Hospital, Liviu Rebreanu Boulevard, Nr. 156, 300723 Timisoara, Romania; (R.B.); (L.D.); (A.A.C.)
- Department XV, Discipline of Urology, Victor Babes University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square, No. 2, 300041 Timisoara, Romania
| | - Liviu Daminescu
- Department of Urology, “Pius Brinzeu” Timisoara County Emergency Hospital, Liviu Rebreanu Boulevard, Nr. 156, 300723 Timisoara, Romania; (R.B.); (L.D.); (A.A.C.)
| | - Alin Adrian Cumpanas
- Department of Urology, “Pius Brinzeu” Timisoara County Emergency Hospital, Liviu Rebreanu Boulevard, Nr. 156, 300723 Timisoara, Romania; (R.B.); (L.D.); (A.A.C.)
- Department XV, Discipline of Urology, Victor Babes University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square, No. 2, 300041 Timisoara, Romania
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14
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Basilicata M, Pieri M, Marrone G, Nicolai E, Di Lauro M, Paolino V, Tomassetti F, Vivarini I, Bollero P, Bernardini S, Noce A. Saliva as Biomarker for Oral and Chronic Degenerative Non-Communicable Diseases. Metabolites 2023; 13:889. [PMID: 37623833 PMCID: PMC10456419 DOI: 10.3390/metabo13080889] [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: 06/23/2023] [Revised: 07/20/2023] [Accepted: 07/21/2023] [Indexed: 08/26/2023] Open
Abstract
Saliva is a very complex fluid and it is essential to maintain several physiological processes and functions, including oral health, taste, digestion and immunological defenses. Saliva composition and the oral microbiome can be influenced by several factors, like diet and smoking habits, and their alteration can represent an important access point for pathogens and, thus, for systemic illness onset. In this review, we explore the potentiality of saliva as a new tool for the early detection of some pathological conditions, such as oral diseases, chronic degenerative non-communicable diseases, among these chronic kidney disease (CKD). We also examined the possible correlation between oral and systemic diseases and oral and gut microbiota dysbiosis. In particular, we deeply analyzed the relationship between oral diseases and CKD. In this context, some salivary parameters can represent a new device to detect either oral or systemic pathologies. Moreover, the positive modulation of oral and gut microbiota induced by prebiotics, postbiotics, or symbiotics could represent a new possible adjuvant therapy in the clinical management of oral diseases and CKD.
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Affiliation(s)
- Michele Basilicata
- UOSD Special Care Dentistry, Policlinico Tor Vergata, 00133 Rome, Italy
- Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Massimo Pieri
- Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, 00133 Rome, Italy
- Department of Laboratory Medicine, “Tor Vergata” University Hospital, Viale Oxford 81, 00133 Rome, Italy
| | - Giulia Marrone
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Eleonora Nicolai
- Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Manuela Di Lauro
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Vincenza Paolino
- UOSD Special Care Dentistry, Policlinico Tor Vergata, 00133 Rome, Italy
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Flaminia Tomassetti
- Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Ilaria Vivarini
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Patrizio Bollero
- UOSD Special Care Dentistry, Policlinico Tor Vergata, 00133 Rome, Italy
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Sergio Bernardini
- Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, 00133 Rome, Italy
- Department of Laboratory Medicine, “Tor Vergata” University Hospital, Viale Oxford 81, 00133 Rome, Italy
| | - Annalisa Noce
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
- UOSD Nephrology and Dialysis, Policlinico Tor Vergata, 00133 Rome, Italy
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15
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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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16
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Li S, Zhang Y, Lu R, Lv X, Lei Q, Tang D, Dai Q, Deng Z, Liao X, Tu S, Yang H, Xie Y, Meng J, Yuan Q, Qin J, Pu J, Peng Z, Tao L. Peroxiredoxin 1 aggravates acute kidney injury by promoting inflammation through Mincle/Syk/NF-κB signaling. Kidney Int 2023:S0085-2538(23)00328-9. [PMID: 37164261 DOI: 10.1016/j.kint.2023.04.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 04/13/2023] [Accepted: 04/14/2023] [Indexed: 05/12/2023]
Abstract
Damage-associated molecular patterns (DAMPs) are a cause of acute kidney injury (AKI). Our knowledge of these DAMPs remains incomplete. Here, we report serum peroxiredoxin 1 (Prdx1) as a novel DAMP for AKI. Lipopolysaccharide (LPS) and kidney ischemia/reperfusion injury instigated AKI with concurrent increases in serum Prdx1 and reductions of Prdx1 expression in kidney tubular epithelial cells. Genetic knockout of Prdx1 or use of a Prdx1-neutralizing antibody protected mice from AKI and this protection was impaired by introduction of recombinant Prdx1 (rPrdx1). Mechanistically, lipopolysaccharide increased serum and kidney proinflammatory cytokines, macrophage infiltration, and the content of M1 macrophages. All these events were suppressed in Prdx1-/- mice and renewed upon introduction of rPrdx1. In primary peritoneal macrophages, rPrdx1 induced M1 polarization, activated macrophage-inducible C-type lectin (Mincle) signaling, and enhanced proinflammatory cytokine production. Prdx1 interacted with Mincle to initiate acute kidney inflammation. Of note, rPrdx1 upregulated Mincle and the spleen tyrosine kinase Syk system in the primary peritoneal macrophages, while knockdown of Mincle abolished the increase in activated Syk. Additionally, rPrdx1 treatment enhanced the downstream events of Syk, including transcription factor NF-κB signaling pathways. Furthermore, serum Prdx1 was found to be increased in patients with AKI; the increase of which was associated with kidney function decline and inflammatory biomarkers in patient serum. Thus, kidney-derived serum Prdx1 contributes to AKI at least in part by activating Mincle signaling and downstream pathways.
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Affiliation(s)
- Shenglan Li
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Yan Zhang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Rong Lu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China; Health Management Center of Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Xin Lv
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Qunjuan Lei
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Damu Tang
- Urological Cancer Center for Research and Innovation (UCCRI), St Joseph's Hospital, Hamilton, ON L8N 4A6, Canada
| | - Qin Dai
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Zhenghao Deng
- Hunan Key Laboratory of Organ Fibrosis, Changsha, China; Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaohua Liao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Sha Tu
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Huixiang Yang
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Yanyun Xie
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Jie Meng
- Hunan Key Laboratory of Organ Fibrosis, Changsha, China; Department of Pulmonary and Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, China
| | - Qiongjing Yuan
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Jiao Qin
- Hunan Key Laboratory of Organ Fibrosis, Changsha, China; Department of Nephrology, Hengyang Medical College, Changsha Central Hospital of University of South China, Changsha, China
| | - Jiaxi Pu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Zhangzhe Peng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China.
| | - Lijian Tao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Organ Fibrosis, Changsha, China.
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17
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Shi J, Wang F, Tang L, Li Z, Yu M, Bai Y, Weng Z, Sheng M, He W, Chen Y. Akkermansia muciniphila attenuates LPS-induced acute kidney injury by inhibiting TLR4/NF-κB pathway. FEMS Microbiol Lett 2022; 369:6824436. [PMID: 36368696 DOI: 10.1093/femsle/fnac103] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/25/2022] [Accepted: 10/27/2022] [Indexed: 11/13/2022] Open
Abstract
Acute kidney injury (AKI) is a global public health hazard with high morbidity and mortality. Sepsis accounts for nearly half of all causes of AKI. Scientists have made a great effort to explore effective therapeutic agents with limited side effects in the treatment of AKI, but have had little success. With the development of gut flora study, Akkermansia muciniphila (A. muciniphila) has been proven to prevent different organs by regulating the inflammatory response. However, the reno-protective function is still unknown. Here, the AKI model was induced using lipopolysaccharide (LPS) in mice with or without pretreatment of A. muciniphila. Renal function and histological change were measured. Inflammatory factors were detected by ELISA and rt-PCR. TLR4/NF-κB signaling factors and NLRP3 inflammasome were tested by western blot and immunohistochemistry. Pretreatment of A. muciniphila markedly inhibited inflammatory response and ameliorated kidney histopathological changes. Furthermore, the TLR4, p-NF-κB p65, and downstream IκBα were notably activated in the model group and inhibited by A. muciniphila. A similar effect was found in the regulation of NLRP3 inflammasome. In conclusion, pretreatment with A. muciniphila could protect against LPS-induced AKI by inhibition of the TLR4/NF-κB pathway and NLRP3 inflammasome activation. It may be a new therapeutic strategy for AKI prevention and treatment in the future.
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Affiliation(s)
- Jun Shi
- School of Traditional Chinese Medicine & School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Feng Wang
- Department of Analytical & Testing Center, Nanjing Medical University, Nanjing 211166, PR China
| | - Lei Tang
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, PR China
| | - Zhiqiang Li
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, PR China
| | - Manshu Yu
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, PR China
| | - Yu Bai
- School of Traditional Chinese Medicine & School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Zebin Weng
- School of Traditional Chinese Medicine & School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Meixiao Sheng
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, PR China
| | - Weiming He
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, PR China
| | - Yugen Chen
- Department of Colorectal Surgery, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, PR China
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18
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Harju N. Regulation of oxidative stress and inflammatory responses in human retinal pigment epithelial cells. Acta Ophthalmol 2022; 100 Suppl 273:3-59. [DOI: 10.1111/aos.15275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Niina Harju
- School of Pharmacy University of Eastern Finland Kuopio Finland
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19
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Abdel Baky NA, Al-Najjar AH, Elariny HA, Sallam AS, Mohammed AA. Pramipexole and Lactoferrin ameliorate Cyclophosphamide-Induced haemorrhagic cystitis via targeting Sphk1/S1P/MAPK, TLR-4/NF-κB, and NLRP3/caspase-1/IL-1β signalling pathways and modulating the Nrf2/HO-1 pathway. Int Immunopharmacol 2022; 112:109282. [DOI: 10.1016/j.intimp.2022.109282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 08/30/2022] [Accepted: 09/22/2022] [Indexed: 11/28/2022]
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20
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Li Z, Deng H, Guo X, Yan S, Lu C, Zhao Z, Feng X, Li Q, Wang J, Zeng J, Ma X. Effective dose/duration of natural flavonoid quercetin for treatment of diabetic nephropathy: A systematic review and meta-analysis of rodent data. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 105:154348. [PMID: 35908521 DOI: 10.1016/j.phymed.2022.154348] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/29/2022] [Accepted: 07/17/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Given the challenges on diabetic nephropathy (DN) treatment, research has been carried out progressively focusing on dietary nutrition and natural products as a novel option with the objective of enhancing curative effect and avoiding adverse reactions. As a representative, Quercetin (Qu) has proved to be of great value in current data. PURPOSE We aimed to synthetize the evidence regarding the therapeutic effect and specific mechanism of quercetin on DN via systematically reviewing and performing meta-analysis. METHODS Preclinical literature published prior to August 2021, was systematical retrieval and manually filtrated across four major databases including PubMed, Web of Science, EMBASE and Cochrane library. Pooled overall effect sizes of results were generated by STATA 16.0, and underlying mechanisms were summarized. Three-dimensional dose/time-effect analyses and radar maps were conducted to examine the dosage/time-response relations between Qu and DN. RESULTS This paper pools all current available evidence in a comprehensive way, and shows the therapeutic benefits as well as potential action mechanisms of Qu in protecting the kidney against damage. A total of 304 potentially relevant citations were identified, of which 18 studies were enrolled into analysis. Methodological quality was calculated, resulting in an average score of 7.06/10. This paper provided the preliminary evidence that consumption of Qu could induce a statistical reduction in mesangial index, Scr, BUN, 24-h urinary protein, serum urea, BG, kidney index, TC, TG, LDL-C, AST, MDA, AGE, TNF-α, TGF-β1, TGF-β1 mRNA, CTGF and IL-1β, whereas HDL-C, SOD, GSH, GSH-Px, CAT and smad-7 were significantly increased. Furthermore, Qu could remarkably improve the renal pathology. In terms of the mechanisms underlying therapy of DN, Qu exerts anti-diabetic nephropathy properties possibly through PI3K/PKB, AMPK-P38 MAPK, SCAP/SREBP2/LDLr, mtROS-TRX/TXNIP/NLRP3/IL-1β, TGF-β1/Smad, Nrf2/HO-1, Hippo, mTORC1/p70S6K and SHH pathways. Dose/time-response images predicted a modest association between Qu dosage consumption/administration length and therapeutic efficacy, with the optimal dosage at 90-150 mg/kg/d and administration length ranging from 8 weeks to 12 weeks. CONCLUSIONS Quercetin exhibit highly pleiotropic actions, which simultaneously contributes to prevent fundamental progression of DN, such as hyperglycemia, dyslipidemia, inflammation, fibrotic lesions and oxidative stress. The therapeutic effect becomes stronger when Qu administration at higher dosages lasts for longer durations. Taken together, quercetin could be used in patients with DN as a promising agent, which has well-established safety profiles and nontoxicity according to existing literature.
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Affiliation(s)
- Ziyu Li
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Haichuan Deng
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Xiaochuan Guo
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Sining Yan
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Chaorui Lu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Zewei Zhao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Xinyu Feng
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Qihong Li
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Jiayi Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Jinhao Zeng
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China.
| | - Xiao Ma
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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21
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Wang Z, Zhang C. From AKI to CKD: Maladaptive Repair and the Underlying Mechanisms. Int J Mol Sci 2022; 23:ijms231810880. [PMID: 36142787 PMCID: PMC9504835 DOI: 10.3390/ijms231810880] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 12/03/2022] Open
Abstract
Acute kidney injury (AKI) is defined as a pathological condition in which the glomerular filtration rate decreases rapidly over a short period of time, resulting in changes in the physiological function and tissue structure of the kidney. An increasing amount of evidence indicates that there is an inseparable relationship between acute kidney injury and chronic kidney disease (CKD). With the progress in research in this area, researchers have found that the recovery of AKI may also result in the occurrence of CKD due to its own maladaptation and other potential mechanisms, which involve endothelial cell injury, inflammatory reactions, progression to fibrosis and other pathways that promote the progress of the disease. Based on these findings, this review summarizes the occurrence and potential mechanisms of maladaptive repair in the progression of AKI to CKD and explores possible treatment strategies in this process so as to provide a reference for the inhibition of the progression of AKI to CKD.
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22
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Yu L, Lin W, Shen C, Meng T, Jin P, Ding X, Eggenhuizen PJ, Ooi JD, Tang R, Nie W, Li X, Xiao X, Zhong Y. Intrarenal Single-Cell Sequencing of Hepatitis B Virus Associated Membranous Nephropathy. Front Med (Lausanne) 2022; 9:869284. [PMID: 35935760 PMCID: PMC9355751 DOI: 10.3389/fmed.2022.869284] [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: 02/04/2022] [Accepted: 05/30/2022] [Indexed: 11/30/2022] Open
Abstract
To date, the pathogenesis of hepatitis B virus (HBV)-associated membranous nephropathy (MN) remains elusive. This study aimed to decipher the etiopathogenesis of HBV-associated MN by performing single-cell RNA sequencing (scRNA-seq) of kidney biopsy specimens from a patient with HBV-associated MN and two healthy individuals. We generated 4,114 intrarenal single-cell transcriptomes from the HBV-associated MN patient by scRNA-seq. Compared to healthy individuals, podocytes in the HBV-associated MN patient showed an increased expression of extracellular matrix formation-related genes, including HSPA5, CTGF, and EDIL3. Kidney endothelial cells (ECs) in the HBV-associated MN were enriched in inflammatory pathways, including NF-kappa B signaling, IL-17 signaling, TNF signaling and NOD-like receptor signaling. Gene ontology (GO) functional enrichment analysis and Gene Set Variation Analysis (GSVA) further revealed that differentially expressed genes (DEGs) of ECs from the HBV-associated MN patients were enriched in apoptotic signaling pathway, response to cytokine and leukocyte cell-cell adhesion. The up-regulated DEGs in glomerular ECs of HBV-associated MN patients were involved in biological processes such as viral gene expression, and protein targeting to endoplasmic reticulum. We further verified that the overexpressed genes in ECs from HBV-associated MN were mainly enriched in regulation of protein targeting to endoplasmic reticulum, exocytosis, viral gene expression, IL-6 and IL-1 secretion when compared with anti-phospholipase A2 receptor (PLA2R)-positive idiopathic membranous nephropathy (IMN). The receptor-ligand crosstalk analysis revealed potential interactions between endothelial cells and other cells in HBV-associated-MN. These results offer new insight into the pathogenesis of HBV-associated MN and may identify new therapeutic targets for HBV-associated MN.
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Affiliation(s)
- Leilin Yu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Jiujiang Traditional Medicine Hospital, Jiujiang, China
| | - Wei Lin
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Chanjuan Shen
- Department of Hematology, The Affiliated Zhuzhou Hospital Xiangya Medical College, Central South University, Changsha, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
| | - Peng Jin
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Ding
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, China
| | | | - Joshua D. Ooi
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Centre for Inflammatory Diseases, Monash University, Clayton, VIC, Australia
| | - Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Wannian Nie
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Xia Li
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
- Xiangcheng Xiao
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yong Zhong
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23
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Immunometabolic rewiring of tubular epithelial cells in kidney disease. Nat Rev Nephrol 2022; 18:588-603. [PMID: 35798902 DOI: 10.1038/s41581-022-00592-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/25/2022] [Indexed: 12/20/2022]
Abstract
Kidney tubular epithelial cells (TECs) have a crucial role in the damage and repair response to acute and chronic injury. To adequately respond to constant changes in the environment, TECs have considerable bioenergetic needs, which are supported by metabolic pathways. Although little is known about TEC metabolism, a number of ground-breaking studies have shown that defective glucose metabolism or fatty acid oxidation in the kidney has a key role in the response to kidney injury. Imbalanced use of these metabolic pathways can predispose TECs to apoptosis and dedifferentiation, and contribute to lipotoxicity and kidney injury. The accumulation of lipids and aberrant metabolic adaptations of TECs during kidney disease can also be driven by receptors of the innate immune system. Similar to their actions in innate immune cells, pattern recognition receptors regulate the metabolic rewiring of TECs, causing cellular dysfunction and lipid accumulation. TECs should therefore be considered a specialized cell type - like cells of the innate immune system - that is subject to regulation by immunometabolism. Targeting energy metabolism in TECs could represent a strategy for metabolically reprogramming the kidney and promoting kidney repair.
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Abstract
Sepsis-associated AKI is a life-threatening complication that is associated with high morbidity and mortality in patients who are critically ill. Although it is clear early supportive interventions in sepsis reduce mortality, it is less clear that they prevent or ameliorate sepsis-associated AKI. This is likely because specific mechanisms underlying AKI attributable to sepsis are not fully understood. Understanding these mechanisms will form the foundation for the development of strategies for early diagnosis and treatment of sepsis-associated AKI. Here, we summarize recent laboratory and clinical studies, focusing on critical factors in the pathophysiology of sepsis-associated AKI: microcirculatory dysfunction, inflammation, NOD-like receptor protein 3 inflammasome, microRNAs, extracellular vesicles, autophagy and efferocytosis, inflammatory reflex pathway, vitamin D, and metabolic reprogramming. Lastly, identifying these molecular targets and defining clinical subphenotypes will permit precision approaches in the prevention and treatment of sepsis-associated AKI.
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Affiliation(s)
- Shuhei Kuwabara
- Division of Nephrology and Center for Immunity, Inflammation, and Regenerative Medicine, University of Virginia, Charlottesville, Virginia
| | - Eibhlin Goggins
- Division of Nephrology and Center for Immunity, Inflammation, and Regenerative Medicine, University of Virginia, Charlottesville, Virginia
| | - Mark D Okusa
- Division of Nephrology and Center for Immunity, Inflammation, and Regenerative Medicine, University of Virginia, Charlottesville, Virginia
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25
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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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26
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Jin J, Zhou TJ, Ren GL, Cai L, Meng XM. Novel insights into NOD-like receptors in renal diseases. Acta Pharmacol Sin 2022; 43:2789-2806. [PMID: 35365780 PMCID: PMC8972670 DOI: 10.1038/s41401-022-00886-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 02/02/2022] [Accepted: 02/07/2022] [Indexed: 11/09/2022] Open
Abstract
Nucleotide-binding oligomerization domain-like receptors (NLRs), including NLRAs, NLRBs (also known as NAIPs), NLRCs, and NLRPs, are a major subfamily of pattern recognition receptors (PRRs). Owing to a recent surge in research, NLRs have gained considerable attention due to their involvement in mediating the innate immune response and perpetuating inflammatory pathways, which is a central phenomenon in the pathogenesis of multiple diseases, including renal diseases. NLRs are expressed in different renal tissues during pathological conditions, which suggest that these receptors play roles in acute kidney injury, obstructive nephropathy, diabetic nephropathy, IgA nephropathy, lupus nephritis, crystal nephropathy, uric acid nephropathy, and renal cell carcinoma, among others. This review summarises recent progress on the functions of NLRs and their mechanisms in the pathophysiological processes of different types of renal diseases to help us better understand the role of NLRs in the kidney and provide a theoretical basis for NLR-targeted therapy for renal diseases.
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27
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Elmonem MA, Veys KRP, Prencipe G. Nephropathic Cystinosis: Pathogenic Roles of Inflammation and Potential for New Therapies. Cells 2022; 11:cells11020190. [PMID: 35053306 PMCID: PMC8773784 DOI: 10.3390/cells11020190] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/03/2022] [Accepted: 01/05/2022] [Indexed: 01/18/2023] Open
Abstract
The activation of several inflammatory pathways has recently been documented in patients and different cellular and animal models of nephropathic cystinosis. Upregulated inflammatory signals interact with many pathogenic aspects of the disease, such as enhanced oxidative stress, abnormal autophagy, inflammatory cell recruitment, enhanced cell death, and tissue fibrosis. Cysteamine, the only approved specific therapy for cystinosis, ameliorates many but not all pathogenic aspects of the disease. In the current review, we summarize the inflammatory mechanisms involved in cystinosis and their potential impact on the disease pathogenesis and progression. We further elaborate on the crosstalk between inflammation, autophagy, and apoptosis, and discuss the potential of experimental drugs for suppressing the inflammatory signals in cystinosis.
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Affiliation(s)
- Mohamed A. Elmonem
- Department of Clinical and Chemical Pathology, Faculty of Medicine, Cairo University, Cairo 11628, Egypt
- Egypt Center for Research and Regenerative Medicine (ECRRM), Cairo 11517, Egypt
- Correspondence:
| | - Koenraad R. P. Veys
- Laboratory of Pediatric Nephrology, Department of Development & Regeneration, KU Leuven, 3000 Leuven, Belgium;
- Department of Pediatrics, AZ Delta Campus, 8820 Torhout, Belgium
| | - Giusi Prencipe
- Laboratory of Immuno-Rheumatology, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy;
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28
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Zhou L, Xue X, Hou Q, Dai C. Targeting Ferroptosis Attenuates Interstitial Inflammation and Kidney Fibrosis. KIDNEY DISEASES (BASEL, SWITZERLAND) 2022; 8:57-71. [PMID: 35224007 DOI: 10.1159/000517723] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 06/08/2021] [Indexed: 12/28/2022]
Abstract
BACKGROUND Ferroptosis, an iron-dependent form of regulated necrosis mediated by lipid peroxidation, predominantly polyunsaturated fatty acids, is involved in postischemic and toxic kidney injury. However, the role and mechanisms for tubular epithelial cell (TEC) ferroptosis in kidney fibrosis remain largely unknown. OBJECTIVES The aim of the study was to decipher the role and mechanisms for TEC ferroptosis in kidney fibrosis. METHODS Mouse models with unilateral ureter obstruction (UUO) or ischemia/reperfusion injury (IRI) were generated. RESULTS We found that TEC ferroptosis exhibited as reduced glutathione peroxidase 4 (GPX4) expression and increased 4-hydroxynonenal abundance was appeared in kidneys from chronic kidney disease (CKD) patients and mouse models with UUO or IRI. Inhibition of ferroptosis could largely mitigate kidney injury, interstitial fibrosis, and inflammatory cell accumulation in mice after UUO or IRI. Additionally, treatment of TECs with (1S,3R)-RSL-3, an inhibitor of GPX4, could enhance cell ferroptosis and recruit macrophages. Furthermore, inhibiting TEC ferroptosis reduced monocyte chemotactic protein 1 (MCP-1) secretion and macrophage chemotaxis. CONCLUSIONS This study uncovers that TEC ferroptosis may promote interstitial fibrosis and inflammation, and targeting ferroptosis may shine a light on protecting against kidney fibrosis in patients with CKDs.
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Affiliation(s)
- Lu Zhou
- Center for Kidney Disease, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Xian Xue
- Department of Clinical Genetics, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Qing Hou
- Center for Kidney Disease, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Chunsun Dai
- Center for Kidney Disease, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, China.,Department of Clinical Genetics, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
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29
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Molecular Mechanistic Pathways Targeted by Natural Antioxidants in the Prevention and Treatment of Chronic Kidney Disease. Antioxidants (Basel) 2021; 11:antiox11010015. [PMID: 35052518 PMCID: PMC8772744 DOI: 10.3390/antiox11010015] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 02/08/2023] Open
Abstract
Chronic kidney disease (CKD) is the progressive loss of renal function and the leading cause of end-stage renal disease (ESRD). Despite optimal therapy, many patients progress to ESRD and require dialysis or transplantation. The pathogenesis of CKD involves inflammation, kidney fibrosis, and blunted renal cellular antioxidant capacity. In this review, we have focused on in vitro and in vivo experimental and clinical studies undertaken to investigate the mechanistic pathways by which these compounds exert their effects against the progression of CKD, particularly diabetic nephropathy and kidney fibrosis. The accumulated and collected data from preclinical and clinical studies revealed that these plants/bioactive compounds could activate autophagy, increase mitochondrial bioenergetics and prevent mitochondrial dysfunction, act as modulators of signaling pathways involved in inflammation, oxidative stress, and renal fibrosis. The main pathways targeted by these compounds include the canonical nuclear factor kappa B (NF-κB), canonical transforming growth factor-beta (TGF-β), autophagy, and Kelch-like ECH-associated protein 1 (Keap1)/nuclear factor erythroid factor 2-related factor 2 (Nrf2)/antioxidant response element (ARE). This review presented an updated overview of the potential benefits of these antioxidants and new strategies to treat or reduce CKD progression, although the limitations related to the traditional formulation, lack of standardization, side effects, and safety.
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30
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Zhang L, Jia R, Li H, Yu H, Ren K, Jia S, Li Y, Wang Q. Insight into the Double-Edged Role of Ferroptosis in Disease. Biomolecules 2021; 11:1790. [PMID: 34944434 PMCID: PMC8699194 DOI: 10.3390/biom11121790] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/23/2021] [Accepted: 11/27/2021] [Indexed: 12/18/2022] Open
Abstract
Ferroptosis, a newly described type of iron-dependent programmed cell death that is distinct from apoptosis, necroptosis, and other types of cell death, is involved in lipid peroxidation (LP), reactive oxygen species (ROS) production, and mitochondrial dysfunction. Accumulating evidence has highlighted vital roles for ferroptosis in multiple diseases, including acute kidney injury, cancer, hepatic fibrosis, Parkinson's disease, and Alzheimer's disease. Therefore, ferroptosis has become one of the research hotspots for disease treatment and attracted extensive attention in recent years. This review mainly summarizes the relationship between ferroptosis and various diseases classified by the system, including the urinary system, digestive system, respiratory system, nervous system. In addition, the role and molecular mechanism of multiple inhibitors and inducers for ferroptosis are further elucidated. A deeper understanding of the relationship between ferroptosis and multiple diseases may provide new strategies for researching diseases and drug development based on ferroptosis.
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Affiliation(s)
- Lei Zhang
- Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng 475004, China; (L.Z.); (R.J.); (H.L.)
- School of Basic Medical Sciences, Henan University, Kaifeng 475004, China;
| | - Ruohan Jia
- Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng 475004, China; (L.Z.); (R.J.); (H.L.)
- School of Clinical Medicine, Henan University, Kaifeng 475004, China; (H.Y.); (K.R.)
| | - Huizhen Li
- Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng 475004, China; (L.Z.); (R.J.); (H.L.)
- School of Clinical Medicine, Henan University, Kaifeng 475004, China; (H.Y.); (K.R.)
| | - Huarun Yu
- School of Clinical Medicine, Henan University, Kaifeng 475004, China; (H.Y.); (K.R.)
| | - Keke Ren
- School of Clinical Medicine, Henan University, Kaifeng 475004, China; (H.Y.); (K.R.)
| | - Shuangshuang Jia
- School of Basic Medical Sciences, Henan University, Kaifeng 475004, China;
| | - Yanzhang Li
- School of Basic Medical Sciences, Henan University, Kaifeng 475004, China;
| | - Qun Wang
- School of Basic Medical Sciences, Henan University, Kaifeng 475004, China;
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31
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Li Z, Chi H, Zhu W, Yang G, Song J, Mo L, Zhang Y, Deng Y, Xu F, Yang J, He Z, Yang X. Cadmium induces renal inflammation by activating the NLRP3 inflammasome through ROS/MAPK/NF-κB pathway in vitro and in vivo. Arch Toxicol 2021; 95:3497-3513. [PMID: 34510229 DOI: 10.1007/s00204-021-03157-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 09/02/2021] [Indexed: 01/05/2023]
Abstract
Cadmium (Cd) has been reported to induce kidney damage by triggering oxidative stress and inflammation. The NLR family Pyrin Domain Containing 3 (NLRP3) inflammasome has been implicated a role in the pathogenesis of inflammation. However, the connection between Cd and NLRP3 inflammasome in the development of renal inflammation remains unknown. In this study, in vitro experiments based on the telomerase-immortalized human renal proximal-tubule epithelial cell line (RPTEC/TERT1) were carried out. Results revealed that CdCl2 (2-8 μM) increased ROS production and activated NLRP3, thereby enhancing secretion of IL-1β and IL-18 (P < 0.05). Knock-down of NLRP3 rescued the RPTEC/TERT1 cells from Cd-induced inflammatory damage. Cd activated the MAPK/NF-κB signaling pathway in RPTEC/TERT1 cells (P < 0.05). In addition, treatment with N-acetylcysteine (NAC) improved inflammation and blocked the upregulation of the MAPK/NF-κB signaling pathway. Pre-treatment with MAPK and NF-κB inhibitors also suppressed NLRP3 inflammasome activation (P < 0.05). Moreover, CdCl2 (25-00 mg/L) stimulated the MAPK/NF-κB signaling pathway, activated the NLRP3 inflammasome, and increased inflammatory response (P < 0.05) leading to renal injury in rats. Exposure to cadmium elevated serum levels of NLRP3 and IL-1β in populations (P < 0.05). Further analysis found that serum NLRP3 and IL-1β levels were positively correlated with urine cadmium (UCd) and urine N-acetyl-β-D-glucosaminidase (UNAG). Overall, Cd induced renal inflammation through the ROS/MAPK/NF-κB signaling pathway by activating the NLRP3 inflammasome. Our research thus provides new insights into the molecular mechanism that NLRP3 contributes to Cd-induced kidney damage.
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Affiliation(s)
- Ziyin Li
- Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Huiqin Chi
- Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Wei Zhu
- Department of Toxicology, Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, Guangdong, People's Republic of China
| | - Guangyu Yang
- Department of Toxicology, Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, Guangdong, People's Republic of China
| | - Jia Song
- Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Lijun Mo
- Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Yitian Zhang
- Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Yudi Deng
- Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Feifei Xu
- Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Jiani Yang
- Department of Preventive Medicine, Faculty of Medical Science, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Zhini He
- Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Southern Medical University, Guangzhou, 510515, People's Republic of China.
| | - Xingfen Yang
- Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Southern Medical University, Guangzhou, 510515, People's Republic of China.
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32
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Manik M, Singh RK. Role of toll-like receptors in modulation of cytokine storm signaling in SARS-CoV-2-induced COVID-19. J Med Virol 2021; 94:869-877. [PMID: 34672376 PMCID: PMC8662021 DOI: 10.1002/jmv.27405] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/12/2021] [Accepted: 10/18/2021] [Indexed: 01/08/2023]
Abstract
Balanced immune regulation is crucial for recognizing an invading pathogen, its killing, and elimination. Toll‐like receptors (TLRs) are the key regulators of the innate immune system. It helps in identifying between self and nonself‐molecule and eventually eliminates the nonself. Endosomal TLR, mainly TLR3, TLR7, TLR8, and membrane‐bound TLR4, has a role in the induction of cytokine storms. TLR7/8 recognizes the ssRNA SARS‐COV‐2 and when it replicates to dsRNA, it is recognized by TLR3 and drives the TRIF‐mediated inflammatory signaling like NF‐κB, MAPK. Such signaling leads to significant transcription and translation of pro‐inflammatory genes, releasing inflammatory molecules into the systemic circulation, causing an imbalance in the system. So, whenever an imbalance occurs, a surge in the pro‐inflammatory mediators is observed in the blood, including cytokines like interleukin (IL)‐2, IL‐4, IL‐6, IL‐1β, IL‐8, interferon (IFN)‐γ, tumor necrosis factor (TNF)‐α. IL‐6 and IL‐1β are one of the driving factors for bringing the cytokine storm into the systemic circulation, which migrates into the other organs, causing multiple organ failures leading to the death of the individual with severe illness. The imbalanced and hyper responsive immune system leads to a surge leading to death of the infected patients in COVID‐19. It has been observed that cytokine surge is TLR induced, mainly through activation of TLR3, TLR4, TLR7, TLR8 receptors. The cytokine storm migrates into the other organ through systemic circulation. The inflammation and the organ damage occur due to the TLR mediated NF‐κB, MAPK pathway. Hence blocking these specific TLRs may alleviate the chance of SARS‐COV‐2 infection.
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Affiliation(s)
- Moumita Manik
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Lucknow, Uttar Pradesh, India
| | - Rakesh K Singh
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Lucknow, Uttar Pradesh, India
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Yan H, Xu J, Xu Z, Yang B, Luo P, He Q. Defining therapeutic targets for renal fibrosis: Exploiting the biology of pathogenesis. Biomed Pharmacother 2021; 143:112115. [PMID: 34488081 DOI: 10.1016/j.biopha.2021.112115] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 08/11/2021] [Accepted: 08/19/2021] [Indexed: 01/14/2023] Open
Abstract
Renal fibrosis is a failed wound-healing process of the kidney tissue after chronic, sustained injury, which is a common pathway and pathological marker of virtually every type of chronic kidney disease (CKD), regardless of cause. However, there is a lack of effective treatment specifically targeting against renal fibrosis per se to date. The main pathological feature of renal fibrosis is the massive activation and proliferation of renal fibroblasts and the excessive synthesis and secretion of extracellular matrix (ECM) deposited in the renal interstitium, leading to structural damage, impairment of renal function, and eventually end-stage renal disease. In this review, we summarize recent advancements regarding the participation and interaction of many types of kidney residents and infiltrated cells during renal fibrosis, attempt to comprehensively discuss the mechanism of renal fibrosis from the cellular level and conclude by highlighting novel therapeutic targets and approaches for development of new treatments for patients with renal fibrosis.
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Affiliation(s)
- Hao Yan
- Center for Drug Safety Evaluation and Research of Zhejiang University, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jiangxin Xu
- Center for Drug Safety Evaluation and Research of Zhejiang University, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhifei Xu
- Center for Drug Safety Evaluation and Research of Zhejiang University, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Bo Yang
- Institute of Pharmacology & Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Peihua Luo
- Center for Drug Safety Evaluation and Research of Zhejiang University, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Qiaojun He
- Center for Drug Safety Evaluation and Research of Zhejiang University, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.
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34
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Chen L, Huang Q, Zhao T, Sui L, Wang S, Xiao Z, Nan Y, Ai K. Nanotherapies for sepsis by regulating inflammatory signals and reactive oxygen and nitrogen species: New insight for treating COVID-19. Redox Biol 2021; 45:102046. [PMID: 34174559 PMCID: PMC8205260 DOI: 10.1016/j.redox.2021.102046] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/06/2021] [Accepted: 06/11/2021] [Indexed: 12/12/2022] Open
Abstract
SARS-CoV-2 has caused up to 127 million cases of COVID-19. Approximately 5% of COVID-19 patients develop severe illness, and approximately 40% of those with severe illness eventually die, corresponding to more than 2.78 million people. The pathological characteristics of COVID-19 resemble typical sepsis, and severe COVID-19 has been identified as viral sepsis. Progress in sepsis research is important for improving the clinical care of these patients. Recent advances in understanding the pathogenesis of sepsis have led to the view that an uncontrolled inflammatory response and oxidative stress are core factors. However, in the traditional treatment of sepsis, it is difficult to achieve a balance between the inflammation, pathogens (viruses, bacteria, and fungi), and patient tolerance, resulting in high mortality of patients with sepsis. In recent years, nanomaterials mediating reactive oxygen and nitrogen species (RONS) and the inflammatory response have shown previously unattainable therapeutic effects on sepsis. Despite these advantages, RONS and inflammatory response-based nanomaterials have yet to be extensively adopted as sepsis therapy. To the best of our knowledge, no review has yet discussed the pathogenesis of sepsis and the application of nanomaterials. To help bridge this gap, we discuss the pathogenesis of sepsis related to inflammation and the overproduction RONS, which activate pathogen-associated molecular pattern (PAMP)-pattern recognition receptor (PRR) and damage-associated molecular pattern (DAMP)-PRR signaling pathways. We also summarize the application of nanomaterials in the treatment of sepsis. As highlighted here, this strategy could synergistically improve the therapeutic efficacy against both RONS and inflammation in sepsis and may prolong survival. Current challenges and future developments for sepsis treatment are also summarized.
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Affiliation(s)
- Li Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410008, China; Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410008, China
| | - Qiong Huang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, 410087, Hunan, China
| | - Tianjiao Zhao
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, 410087, Hunan, China
| | - Lihua Sui
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410008, China; Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410008, China
| | - Shuya Wang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410008, China; Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410008, China
| | - Zuoxiu Xiao
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410008, China; Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410008, China
| | - Yayun Nan
- Geriatric Medical Center, Ningxia People's Hospital, Yinchuan, China
| | - Kelong Ai
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410008, China; Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410008, China.
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Liu Q, Kong Y, Guo X, Liang B, Xie H, Hu S, Han M, Zhao X, Feng P, Lyu Q, Dong W, Liang X, Wang W, Li C. GSK-3β inhibitor TDZD-8 prevents reduction of aquaporin-1 expression via activating autophagy under renal ischemia reperfusion injury. FASEB J 2021; 35:e21809. [PMID: 34314052 DOI: 10.1096/fj.202100549r] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/12/2021] [Accepted: 07/06/2021] [Indexed: 11/11/2022]
Abstract
Renal ischemia/reperfusion (I/R) injury is a main cause of acute kidney injury (AKI). Aquaporin (AQP)-1 water channel in the kidney is critical for the maintenance of water homeostasis and the urinary concentrating ability. Increasing evidence supports an important role of autophagy in the pathogenesis of AKI induced by renal I/R. The purpose of the present study is to investigate whether activation of autophagy prevents downregulation of AQP1 protein induced by renal I/R and potential molecular mechanisms. Renal I/R induced consistently reduced protein expression of AQP1, 2, and 3, as well as sodium cotransporters Na+ -K+ -2Cl- cotransporter and α-Na,K-ATPase, which was associated with increased urine output and decreased creatinine clearance in rats. Renal I/R also suppressed autophagy and increased inflammatory responses in the kidney. 4-Benzyl-2-methyl-1,2,4-thiadiazolidine-3,5-dione (TDZD-8), the glycogen synthase kinase-3β inhibitor, ameliorated renal injury under I/R, activated autophagy and markedly increased expression of AQPs and sodium transporters in the kidney, which was associated with improved urine output and creatinine clearance in rats. Hypoxia/reoxygenation (H/R) induced suppression of autophagy and downregulation of AQP1 in murine inner medullary collecting duct 3 (IMCD3) cells, which was fully prevented by TDZD-8 treatment. Inhibition of autophagy by 3-methyladenine or Atg5 gene knockdown attenuated recovery of AQP1 protein expression induced by TDZD-8 in IMCD3 cells with H/R. Interleukin-1 beta (IL-1β) decreased the abundance of AQP1 protein in IMCD3 cells. H/R induced increases in protein expression of nod-like receptor pyrin domain-containing 3 and IL-1β, which was reversed by TDZD-8. In conclusion, TDZD-8 treatment prevented downregulation of AQP1 expression under renal I/R injury, likely via activating autophagy and decreasing IL-1β production.
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Affiliation(s)
- Qiaojuan Liu
- Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Immunology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yonglun Kong
- Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xiangdong Guo
- Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Baien Liang
- Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Haixia Xie
- Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Shan Hu
- Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Mengke Han
- Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xiaoduo Zhao
- Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Pinning Feng
- Department of Clinical Laboratory, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qianqian Lyu
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Wei Dong
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Xinling Liang
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Weidong Wang
- Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Nephrology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Chunling Li
- Institute of Hypertension, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
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Su Z, Li Y, Lv H, Cui X, Liu M, Wang Z, Zhang Y, Zhen J, Tang W, Wang X, Yi F. CLEC14A protects against podocyte injury in mice with adriamycin nephropathy. FASEB J 2021; 35:e21711. [PMID: 34107098 DOI: 10.1096/fj.202100283r] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 05/09/2021] [Accepted: 05/17/2021] [Indexed: 12/15/2022]
Abstract
Podocyte injury is a major determinant of focal segmental glomerular sclerosis (FSGS) and the identification of potential therapeutic targets for preventing podocyte injury has clinical importance for the treatment of FSGS. CLEC14A is a single-pass transmembrane glycoprotein belonging to the vascular expressed C-type lectin family. CLEC14A is found to be expressed in vascular endothelial cells during embryogenesis and is also implicated in tumor angiogenesis. However, the current understanding of the biological functions of CLEC14A in podocyte is very limited. In this study, we found that CLEC14A was expressed in podocyte and protected against podocyte injury in mice with Adriamycin (ADR)-induced FSGS. First, we observed that CLEC14A was downregulated in mice with ADR nephropathy and renal biopsies from individuals with FSGS and other forms of podocytopathies. Moreover, CLEC14A deficiency exacerbated podocyte injury and proteinuria in mice with ADR nephropathy accompanied by enhanced inflammatory cell infiltration and inflammatory responses. In vitro, overexpression of CLEC14A in podocyte had pleiotropic protective actions, including anti-inflammatory and anti-apoptosis effects. Mechanistically, CLEC14A inhibited high-mobility group box 1 protein (HMGB1) release, at least in part by directly binding HMGB1, and suppressed HMGB1-mediated signaling, including NF-κB signaling and early growth response protein 1 (EGR1) signaling. Taken together, our findings provide new insights into the pivotal role of CLEC14A in maintaining podocyte function, indicating that CLEC14A may be an innovative therapeutic target in FSGS.
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Affiliation(s)
- Zeyu Su
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Yujia Li
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Hang Lv
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Xiaoyang Cui
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Min Liu
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Ziying Wang
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Yan Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Junhui Zhen
- Department of Pathology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Wei Tang
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Xiaojie Wang
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Fan Yi
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, China
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Zhang Y, Liu Y, Bi X, Hu C, Ding W. NLRP3 Deletion Attenuated Angiotensin II-Induced Renal Fibrosis by Improving Mitochondrial Dysfunction and Endoplasmic Reticulum Stress. Nephron Clin Pract 2021; 145:518-527. [PMID: 34062539 DOI: 10.1159/000513739] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 12/10/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Increasing evidence suggests that angiotensin II (Ang II), the bioactive pro-oxidant in the renin-angiotensin system, aggravates fibrosis, and the NOD-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome is involved in multiple diseases, such as renal fibrosis. However, the role and underlying mechanism of Ang II in renal fibrosis remain unclear. Here, we investigated whether the NLRP3 inflammasome mediated Ang II-induced renal fibrosis, as well as the downstream pathways involved in this process. METHODS NLRP3-/- mice were used as a model to study Ang II-infused renal fibrosis. Mice were divided into 4 groups: sham wild type, Ang II-infused wild type, sham NLRP3-/-, and Ang II-infused NLRP3-/- groups. Ang II infusion-induced renal injury was confirmed by periodic acid-Schiff and Masson's staining, immunohistochemistry, and transmission electron microscopy (TEM). Mitochondrial morphology was presented on TEM micrographs, and mitochondrial function was reflected by the protein levels of peroxisome proliferator-activated receptor gamma coactivator-1α (PGC-1α), mitochondrial transcription factor A (TFAM), dynamin-related protein 1 (DRP1), and mitofusin 2 (MFN2), as assessed by Western blotting. Endoplasmic reticulum (ER) stress was characterized by changes in the levels of ER chaperones, such as GRP94, BiP, CHOP, and caspase 12. RESULTS Ang II infusion increased cell proliferation, extracellular matrix overproduction, inflammatory cell infiltration, and glomerulosclerosis and induced obvious morphological abnormalities in podocytes. Ang II infusion promoted mitochondrial damage, as indicated by TEM, and induced mitochondrial dysfunction, as evidenced by downregulation of PGC-1α, TFAM, and increased mitochondrial ROS. In addition, DRP1 expression was upregulated, while MFN2 expression was markedly decreased. The levels of GRP94, BiP, CHOP, and caspase 12 were significantly increased. However, all these detrimental effects were attenuated by NLRP3 deletion. CONCLUSIONS NLRP3 deletion may attenuate angiotensin II-induced renal fibrosis by improving mitochondrial dysfunction and ER stress.
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Affiliation(s)
- Yumei Zhang
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Yuqing Liu
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Xiao Bi
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Chun Hu
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Wei Ding
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
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Xu J, Shen C, Lin W, Meng T, Ooi JD, Eggenhuizen PJ, Tang R, Xiao G, Jin P, Ding X, Tang Y, Peng W, Nie W, Ao X, Xiao X, Zhong Y, Zhou Q. Single-Cell Profiling Reveals Transcriptional Signatures and Cell-Cell Crosstalk in Anti-PLA2R Positive Idiopathic Membranous Nephropathy Patients. Front Immunol 2021; 12:683330. [PMID: 34135910 PMCID: PMC8202011 DOI: 10.3389/fimmu.2021.683330] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 05/11/2021] [Indexed: 12/14/2022] Open
Abstract
Idiopathic membranous nephropathy (IMN) is an organ-specific autoimmune disease of the kidney glomerulus. It may gradually progress to end-stage renal disease (ESRD) characterized by increased proteinuria, which leads to serious consequences. Although substantial advances have been made in the understanding of the molecular bases of IMN in the last 10 years, certain questions remain largely unanswered. To define the transcriptomic landscape at single-cell resolution, we analyzed kidney samples from 6 patients with anti-PLA2R positive IMN and 2 healthy control subjects using single-cell RNA sequencing. We then identified distinct cell clusters through unsupervised clustering analysis of kidney specimens. Identification of the differentially expressed genes (DEGs) and enrichment analysis as well as the interaction between cells were also performed. Based on transcriptional expression patterns, we identified all previously described cell types in the kidney. The DEGs in most kidney parenchymal cells were primarily enriched in genes involved in the regulation of inflammation and immune response including IL-17 signaling, TNF signaling, NOD-like receptor signaling, and MAPK signaling. Moreover, cell-cell crosstalk highlighted the extensive communication of mesangial cells, which infers great importance in IMN. IMN with massive proteinuria displayed elevated expression of genes participating in inflammatory signaling pathways that may be involved in the pathogenesis of the progression of IMN. Overall, we applied single-cell RNA sequencing to IMN to uncover intercellular interactions, elucidate key pathways underlying the pathogenesis, and identify novel therapeutic targets of anti-PLA2R positive IMN.
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Affiliation(s)
- Jie Xu
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Chanjuan Shen
- Department of Hematology, The Affiliated Zhuzhou Hospital Xiangya Medical College, Central South University, Zhuzhou, China
| | - Wei Lin
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Ting Meng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Joshua D Ooi
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China.,Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia
| | - Peter J Eggenhuizen
- Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia
| | - Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Gong Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Peng Jin
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Ding
- Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, China
| | - Yangshuo Tang
- Department of Ultrasonography, Xiangya Hospital, Central South University, Changsha, China
| | - Weisheng Peng
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Wannian Nie
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Ao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiangcheng Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Yong Zhong
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
| | - Qiaoling Zhou
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China
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Woodhams L, Sim TF, Chalmers L, Yeap B, Green D, Schlaich M, Schultz C, Hillis G. Diabetic kidney disease in type 2 diabetes: a review of pathogenic mechanisms, patient-related factors and therapeutic options. PeerJ 2021; 9:e11070. [PMID: 33976959 PMCID: PMC8061574 DOI: 10.7717/peerj.11070] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 02/16/2021] [Indexed: 12/23/2022] Open
Abstract
The global prevalence of diabetic kidney disease is rapidly accelerating due to an increasing number of people living with type 2 diabetes. It has become a significant global problem, increasing human and financial pressures on already overburdened healthcare systems. Interest in diabetic kidney disease has increased over the last decade and progress has been made in determining the pathogenic mechanisms and patient-related factors involved in the development and pathogenesis of this disease. A greater understanding of these factors will catalyse the development of novel treatments and influence current practice. This review summarises the latest evidence for the factors involved in the development and progression of diabetic kidney disease, which will inform better management strategies targeting such factors to improve therapeutic outcomes in patients living with diabetes.
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Affiliation(s)
- Louise Woodhams
- Curtin Medical School, Curtin University of Technology, Perth, Western Australia, Australia
| | - Tin Fei Sim
- Curtin Medical School, Curtin University of Technology, Perth, Western Australia, Australia
| | - Leanne Chalmers
- Curtin Medical School, Curtin University of Technology, Perth, Western Australia, Australia
| | - Bu Yeap
- Department of Endocrinology and Diabetes, Fiona Stanley Hospital, Perth, Western Australia, Australia.,Medical School, The University of Western Australia, Perth, Western Australia, Australia
| | - Daniel Green
- School of Human Sciences (Exercise and Sport Sciences), The University of Western Australia, Perth, Western Australia, Australia
| | - Markus Schlaich
- Medical School, The University of Western Australia, Perth, Western Australia, Australia.,Department of Cardiology and Nephrology, Royal Perth Hospital, Perth, Western Australia, Australia.,Neurovascular Hypertension and Kidney Disease Laboratory, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia.,Dobney Hypertension Centre, School of Medicine, Royal Perth Hospital Unit/Medical Research Foundation, The University of Western Australia, Perth, Western Australia, Australia
| | - Carl Schultz
- Medical School, The University of Western Australia, Perth, Western Australia, Australia.,Department of Cardiology, Royal Perth Hospital, Perth, Western Australia, Australia
| | - Graham Hillis
- Medical School, The University of Western Australia, Perth, Western Australia, Australia.,Department of Cardiology, Royal Perth Hospital, Perth, Western Australia, Australia
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Ponticelli C, Campise MR. The inflammatory state is a risk factor for cardiovascular disease and graft fibrosis in kidney transplantation. Kidney Int 2021; 100:536-545. [PMID: 33932457 DOI: 10.1016/j.kint.2021.04.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 04/07/2021] [Accepted: 04/14/2021] [Indexed: 02/06/2023]
Abstract
Several factors, such as donor brain death, ischemia-reperfusion injury, rejection, infection, and chronic allograft dysfunction, may induce an inflammatory state in kidney transplantation. Furthermore, inflammatory cells, cytokines, growth factors, complement and coagulation cascade create an unbalanced interaction with innate and adaptive immunity, which are both heavily involved in atherogenesis. The crosstalk between inflammation and thrombosis may lead to a prothrombotic state and impaired fibrinolysis in kidney transplant recipients increasing the risk of cardiovascular disease. Inflammation is also associated with elevated levels of fibroblast growth factor 23 and low levels of Klotho, which contribute to major adverse cardiovascular events. Hyperuricemia, glucose intolerance, arterial hypertension, dyslipidemia, and physical inactivity may create a condition called metaflammation that concurs in atherogenesis. Another major consequence of the inflammatory state is the development of chronic hypoxia that through the mediation of interleukins 1 and 6, angiotensin II, and transforming growth factor beta can result in excessive accumulation of extracellular matrix, which can disrupt and replace functional parenchyma, leading to interstitial fibrosis and chronic allograft dysfunction. Lifestyle and regular physical activity may reduce inflammation. Several drugs have been proposed to control the graft inflammatory state, including low-dose aspirin, statins, renin-angiotensin inhibitors, xanthine-oxidase inhibitors, vitamin D supplements, and interleukin-6 blockade. However, no prospective controlled trial with these measures has been conducted in kidney transplantation.
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Affiliation(s)
- Claudio Ponticelli
- Division of Nephrology, Ospedale Maggiore Policlinico, Milano, Italy (retired).
| | - Maria Rosaria Campise
- Division of Nephrology and Dialysis, Ca' Granda Foundation, Scientific Institute Ospedale Maggiore Policlinico di Milano, Milano, Italy
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41
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Zheng H, Zhang Y, He J, Yang Z, Zhang R, Li L, Luo Z, Ye Y, Sun Q. Hydroxychloroquine Inhibits Macrophage Activation and Attenuates Renal Fibrosis After Ischemia-Reperfusion Injury. Front Immunol 2021; 12:645100. [PMID: 33936063 PMCID: PMC8079743 DOI: 10.3389/fimmu.2021.645100] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 03/19/2021] [Indexed: 12/16/2022] Open
Abstract
Chronic kidney disease (CKD), which is associated with high morbidity, remains a worldwide health concern, while effective therapies remain limited. Hydroxychloroquine (HCQ), which mainly targets toll-like receptor-7 (TLR-7) and TLR-9, is associated with a lower risk of incident CKD. Taking into account that TLR-9 is involved in the development of renal fibrosis and serves as a potential therapy target for CKD, we investigated whether HCQ could attenuate CKD via TLR-9 signal pathway. The effects of HCQ on renal tubulointerstitial fibrosis were further explored using a mouse model of renal tubulointerstitial fibrosis after ischemia/reperfusion injury. Bone marrow-derived macrophages were isolated to explore the effects of HCQ in vitro. Judicious use of HCQ efficiently inhibited the activation of macrophages and MAPK signaling pathways, thereby attenuating renal fibrosis in vivo. In an in vitro model, results showed that HCQ promoted apoptosis of macrophages and inhibited activation of macrophages, especially M2 macrophages, in a dose-dependent manner. Because TLR-7 is not involved in the development of CKD post-injury, a TLR-9 knockout mouse was used to explore the mechanisms of HCQ. The effects of HCQ on renal fibrosis and macrophages decreased after depletion of TLR-9 in vivo and in vitro. Taken together, this study indicated that proper use of HCQ could be a new strategy for anti-fibrotic therapy and that TLR-9 could be a potential therapeutic target for CKD following acute kidney injury.
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Affiliation(s)
- Haofeng Zheng
- Organ Transplantation Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yannan Zhang
- Organ Transplantation Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jiannan He
- Organ Transplantation Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zhe Yang
- Organ Transplantation Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Rui Zhang
- Organ Transplantation Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Lei Li
- Organ Transplantation Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zihuan Luo
- Organ Transplantation Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yongrong Ye
- Organ Transplantation Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Qiquan Sun
- Organ Transplantation Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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Basso PJ, Andrade-Oliveira V, Câmara NOS. Targeting immune cell metabolism in kidney diseases. Nat Rev Nephrol 2021; 17:465-480. [PMID: 33828286 DOI: 10.1038/s41581-021-00413-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/25/2021] [Indexed: 02/06/2023]
Abstract
Insights into the relationship between immunometabolism and inflammation have enabled the targeting of several immunity-mediated inflammatory processes that underlie infectious diseases and cancer or drive transplant rejection, but this field remains largely unexplored in kidney diseases. The kidneys comprise heterogeneous cell populations, contain distinct microenvironments such as areas of hypoxia and hypersalinity, and are responsible for a functional triad of filtration, reabsorption and secretion. These distinctive features create myriad potential metabolic therapeutic targets in the kidney. Immune cells have crucial roles in the maintenance of kidney homeostasis and in the response to kidney injury, and their function is intricately connected to their metabolic properties. Changes in nutrient availability and biomolecules, such as cytokines, growth factors and hormones, initiate cellular signalling events that involve energy-sensing molecules and other metabolism-related proteins to coordinate immune cell differentiation, activation and function. Disruption of homeostasis promptly triggers the metabolic reorganization of kidney immune and non-immune cells, which can promote inflammation and tissue damage. The metabolic differences between kidney and immune cells offer an opportunity to specifically target immunometabolism in the kidney.
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Affiliation(s)
- Paulo José Basso
- Laboratory of Immunobiology of Transplantation, Department of Immunology, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | | | - Niels Olsen Saraiva Câmara
- Laboratory of Immunobiology of Transplantation, Department of Immunology, Universidade de São Paulo, São Paulo, São Paulo, Brazil. .,Laboratory of Clinical and Experimental Immunology, Division of Nephrology, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil.
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Ju X, Yang Z, Zhang H, Wang Q. Role of pyroptosis in cancer cells and clinical applications. Biochimie 2021; 185:78-86. [PMID: 33746064 DOI: 10.1016/j.biochi.2021.03.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 03/01/2021] [Accepted: 03/09/2021] [Indexed: 02/06/2023]
Abstract
Chemotherapy drugs usually inhibit tumor cell growth through the apoptosis pathway. However, tumor cells become resistant to chemotherapy drugs by evading apoptosis. It is necessary to find new ways to inhibit tumor growth through other types of death. Pyroptosis is a recently identified inflammatory cell death that plays an important role in a variety of diseases, including cancer. In this review, we will systematically review recent progress in the pyroptosis signaling pathway, the role of inflammasomes in cancer in the context of pyroptosis, the role of gasdermin proteins in cancer and the role of pyroptosis in tumor immunity. We will also discuss the application of the pyroptosis pathway in clinical studies. Finally, we hope to provide new strategies for pyroptosis in the clinic.
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Affiliation(s)
- Xiaoli Ju
- School of Medicine, Jiangsu University, Zhenjiang, China.
| | - Zhilong Yang
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China.
| | - Heng Zhang
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China.
| | - Qiang Wang
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu, PR China.
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Cohen G. Effect of High-Density Lipoprotein from Healthy Subjects and Chronic Kidney Disease Patients on the CD14 Expression on Polymorphonuclear Leukocytes. Int J Mol Sci 2021; 22:ijms22062830. [PMID: 33799511 PMCID: PMC7998954 DOI: 10.3390/ijms22062830] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/26/2021] [Accepted: 03/08/2021] [Indexed: 01/22/2023] Open
Abstract
In uremic patients, high-density lipoprotein (HDL) loses its anti-inflammatory features and can even become pro-inflammatory due to an altered protein composition. In chronic kidney disease (CKD), impaired functions of polymorphonuclear leukocytes (PMNLs) contribute to inflammation and an increased risk of cardiovascular disease. This study investigated the effect of HDL from CKD and hemodialysis (HD) patients on the CD14 expression on PMNLs. HDL was isolated using a one-step density gradient centrifugation. Isolation of PMNLs was carried out by discontinuous Ficoll-Hypaque density gradient centrifugation. CD14 surface expression was quantified by flow cytometry. The activity of the small GTPase Rac1 was determined by means of an activation pull-down assay. HDL increased the CD14 surface expression on PMNLs. This effect was more pronounced for HDL isolated from uremic patients. The acute phase protein serum amyloid A (SAA) caused higher CD14 expression, while SAA as part of an HDL particle did not. Lipid raft disruption with methyl-β-cyclodextrin led to a reduced CD14 expression in the absence and presence of HDL. HDL from healthy subjects but not from HD patients decreased the activity of Rac1. Considering the known anti-inflammatory effects of HDL, the finding that even HDL from healthy subjects increased the CD14 expression was unexpected. The pathophysiological relevance of this result needs further investigation.
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Affiliation(s)
- Gerald Cohen
- Department of Nephrology and Dialysis, Medical University of Vienna, A-1090 Vienna, Austria
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Stavropoulou E, Kantartzi K, Tsigalou C, Konstantinidis T, Romanidou G, Voidarou C, Bezirtzoglou E. Focus on the Gut-Kidney Axis in Health and Disease. Front Med (Lausanne) 2021; 7:620102. [PMID: 33553216 PMCID: PMC7859267 DOI: 10.3389/fmed.2020.620102] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/16/2020] [Indexed: 12/11/2022] Open
Abstract
The recent new developments in technology with culture-independent techniques including genome sequencing methodologies shed light on the identification of microbiota bacterial species and their role in health and disease. Microbiome is actually reported as an important predictive tool for evaluating characteristic shifts in case of disease. Our present review states the development of different renal diseases and pathologies linked to the intestinal dysbiosis, which impacts on host homeostasis. The gastrointestinal-kidney dialogue provides intriguing features in the pathogenesis of several renal diseases. Without any doubt, investigation of this interconnection consists one of the most cutting-edge areas of research with potential implications on our health.
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Affiliation(s)
- Elisavet Stavropoulou
- Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
- Department of Infectious Diseases, Central Institute, Valais Hospital, Sion, Switzerland
| | - Konstantia Kantartzi
- Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | - Christina Tsigalou
- Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | | | | | | | - Eugenia Bezirtzoglou
- Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
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Vázquez-Carballo C, Guerrero-Hue M, García-Caballero C, Rayego-Mateos S, Opazo-Ríos L, Morgado-Pascual JL, Herencia-Bellido C, Vallejo-Mudarra M, Cortegano I, Gaspar ML, de Andrés B, Egido J, Moreno JA. Toll-Like Receptors in Acute Kidney Injury. Int J Mol Sci 2021; 22:ijms22020816. [PMID: 33467524 PMCID: PMC7830297 DOI: 10.3390/ijms22020816] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/09/2021] [Accepted: 01/11/2021] [Indexed: 12/16/2022] Open
Abstract
Acute kidney injury (AKI) is an important health problem, affecting 13.3 million individuals/year. It is associated with increased mortality, mainly in low- and middle-income countries, where renal replacement therapy is limited. Moreover, survivors show adverse long-term outcomes, including increased risk of developing recurrent AKI bouts, cardiovascular events, and chronic kidney disease. However, there are no specific treatments to decrease the adverse consequences of AKI. Epidemiological and preclinical studies show the pathological role of inflammation in AKI, not only at the acute phase but also in the progression to chronic kidney disease. Toll-like receptors (TLRs) are key regulators of the inflammatory response and have been associated to many cellular processes activated during AKI. For that reason, a number of anti-inflammatory agents targeting TLRs have been analyzed in preclinical studies to decrease renal damage during AKI. In this review, we updated recent knowledge about the role of TLRs, mainly TLR4, in the initiation and development of AKI as well as novel compounds targeting these molecules to diminish kidney injury associated to this pathological condition.
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Affiliation(s)
- Cristina Vázquez-Carballo
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, 28040 Madrid, Spain; (C.V.-C.); (S.R.-M.); (L.O.-R.); (C.H.-B.)
| | - Melania Guerrero-Hue
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Hospital Universitario Reina Sofía, 14004 Córdoba, Spain; (M.G.-H.); (C.G.-C.); (J.L.M.-P.); (M.V.-M.)
| | - Cristina García-Caballero
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Hospital Universitario Reina Sofía, 14004 Córdoba, Spain; (M.G.-H.); (C.G.-C.); (J.L.M.-P.); (M.V.-M.)
| | - Sandra Rayego-Mateos
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, 28040 Madrid, Spain; (C.V.-C.); (S.R.-M.); (L.O.-R.); (C.H.-B.)
| | - Lucas Opazo-Ríos
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, 28040 Madrid, Spain; (C.V.-C.); (S.R.-M.); (L.O.-R.); (C.H.-B.)
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), 28040 Madrid, Spain
| | - José Luis Morgado-Pascual
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Hospital Universitario Reina Sofía, 14004 Córdoba, Spain; (M.G.-H.); (C.G.-C.); (J.L.M.-P.); (M.V.-M.)
| | - Carmen Herencia-Bellido
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, 28040 Madrid, Spain; (C.V.-C.); (S.R.-M.); (L.O.-R.); (C.H.-B.)
| | - Mercedes Vallejo-Mudarra
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Hospital Universitario Reina Sofía, 14004 Córdoba, Spain; (M.G.-H.); (C.G.-C.); (J.L.M.-P.); (M.V.-M.)
| | - Isabel Cortegano
- Immunobiology Department, Carlos III Health Institute, 28220 Majadahonda (Madrid), Spain; (I.C.); (M.L.G.); (B.d.A.)
| | - María Luisa Gaspar
- Immunobiology Department, Carlos III Health Institute, 28220 Majadahonda (Madrid), Spain; (I.C.); (M.L.G.); (B.d.A.)
| | - Belén de Andrés
- Immunobiology Department, Carlos III Health Institute, 28220 Majadahonda (Madrid), Spain; (I.C.); (M.L.G.); (B.d.A.)
| | - Jesús Egido
- Renal, Vascular and Diabetes Research Laboratory, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, 28040 Madrid, Spain; (C.V.-C.); (S.R.-M.); (L.O.-R.); (C.H.-B.)
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), 28040 Madrid, Spain
- Correspondence: (J.E.); (J.A.M.); Tel.: +34-915504800 (J.E.); +34-957-218039 (J.A.M.)
| | - Juan Antonio Moreno
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Hospital Universitario Reina Sofía, 14004 Córdoba, Spain; (M.G.-H.); (C.G.-C.); (J.L.M.-P.); (M.V.-M.)
- Biomedical Research Networking Center on Cardiovascular Diseases (CIBERCV), 28029 Madrid, Spain
- Department of Cell Biology, Physiology and Immunology, University of Cordoba, 140471 Cordoba, Spain
- Correspondence: (J.E.); (J.A.M.); Tel.: +34-915504800 (J.E.); +34-957-218039 (J.A.M.)
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Deng Z, Wang X, Liu Y, Tian X, Deng S, Sun Y, Wang S, Zheng D, Cui Z, Pan Y, A L, Yan H, Qiu X, Wang Y. Single-cell RNA sequencing confirms IgG transcription and limited diversity of V HDJ H rearrangements in proximal tubular epithelial cells. Sci Rep 2020; 10:19657. [PMID: 33184300 PMCID: PMC7661700 DOI: 10.1038/s41598-020-75013-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 09/29/2020] [Indexed: 01/19/2023] Open
Abstract
Increasing evidence has confirmed that immunoglobulins (Igs) can be expressed in non-B cells. Our previous work demonstrated that mesangial cells and podocytes express IgA and IgG, respectively. The aim of this work was to reveal whether proximal tubular epithelial cells (PTECs) express Igs. High-throughput single-cell RNA sequencing (scRNA-seq) detected Igs in a small number of PTECs, and then we combined nested PCR with Sanger sequencing to detect the transcripts and characterize the repertoires of Igs in PTECs. We sorted PTECs from the normal renal cortex of two patients with renal cancer by FACS and further confirmed their identify by LRP2 gene expression. Only the transcripts of the IgG heavy chain were successfully amplified in 91/111 single PTECs. We cloned and sequenced 469 VHDJH transcripts from 91 single PTECs and found that PTEC-derived IgG exhibited classic VHDJH rearrangements with nucleotide additions at the junctions and somatic hypermutations. Compared with B cell-derived IgG, PTEC-derived IgG displayed less diversity of VHDJH rearrangements, predominant VH1-24/DH2-15/JH4 sequences, biased VH1 usage, centralized VH gene segment location at the 3′ end of the genome and non-Gaussian distribution of the CDR3 length. These results demonstrate that PTECs can express a distinct IgG repertoire that may have implications for their role in the renal tubular epithelial-mesenchymal transition.
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Affiliation(s)
- Zhenling Deng
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Xinyao Wang
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Yue Liu
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Xinyu Tian
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Shaohui Deng
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Yingchun Sun
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Song Wang
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Danxia Zheng
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Zhuan Cui
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Yuejuan Pan
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Lata A
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China
| | - Huige Yan
- Department of Immunology, School of Basic Medical Sciences, Peking University, 38 Xueyuan Road, Beijing, 100191, People's Republic of China
| | - Xiaoyan Qiu
- Department of Immunology, School of Basic Medical Sciences, Peking University, 38 Xueyuan Road, Beijing, 100191, People's Republic of China.
| | - Yue Wang
- Department of Nephrology, Peking University Third Hospital, 49 Huayuanbei Road, Beijing, 100191, People's Republic of China.
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Mishra SR, Mahapatra KK, Behera BP, Bhol CS, Praharaj PP, Panigrahi DP, Patra S, Singh A, Patil S, Dhiman R, Patra SK, Bhutia SK. Inflammasomes in cancer: Effect of epigenetic and autophagic modulations. Semin Cancer Biol 2020; 83:399-412. [PMID: 33039557 DOI: 10.1016/j.semcancer.2020.09.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/28/2020] [Accepted: 09/28/2020] [Indexed: 12/18/2022]
Abstract
Tumour-promoting inflammation is a critical hallmark in cancer development, and inflammasomes are well-known regulators of inflammatory processes within the tumour microenvironment. Different inflammasome components along with the adaptor, apoptosis-associated speck-like protein containing caspase activation and recruitment domain (ASC), and the effector, caspase-1, have a significant influence on tumorigenesis but in a tissue-specific and stage-dependent manner. The downstream products of inflammasome activation, that is the proinflammatory cytokines such as IL-1β and IL-18, regulate tissue homeostasis and induce antitumour immune responses, but in contrast, they can also favour cancer growth and proliferation by directing various oncogenic signalling pathways in cancer cells. Moreover, different epigenetic mechanisms, including DNA methylation, histone modification and noncoding RNAs, control inflammasomes and their components by regulating gene expression during cancer progression. Furthermore, autophagy, a master controller of cellular homeostasis, targets inflammasome-induced carcinogenesis by maintaining cellular homeostasis and removing potential cancer risk factors that promote inflammasome activation in support of tumorigenesis. Here, in this review, we summarize the effect of inflammasome activation in cancers and discuss the role of epigenetic and autophagic regulatory mechanisms in controlling inflammasomes. A proper understanding of the interactions among these key processes will be useful for developing novel therapeutic regimens for targeting inflammasomes in cancer.
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Affiliation(s)
- Soumya Ranjan Mishra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Kewal Kumar Mahapatra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Bishnu Prasad Behera
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Chandra Sekhar Bhol
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Prakash Priyadarshi Praharaj
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Debasna Pritimanjari Panigrahi
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Srimanta Patra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Amruta Singh
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Saudi Arabia
| | - Rohan Dhiman
- Laboratory of Mycobacterial Immunology, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Samir Kumar Patra
- Epigenetics and Cancer Research Laboratory, Biochemistry and Molecular Biology Group, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Sujit Kumar Bhutia
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India.
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Sharawy MH, Serrya MS. Pirfenidone attenuates gentamicin-induced acute kidney injury by inhibiting inflammasome-dependent NLRP3 pathway in rats. Life Sci 2020; 260:118454. [PMID: 32950575 DOI: 10.1016/j.lfs.2020.118454] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 09/08/2020] [Accepted: 09/13/2020] [Indexed: 11/19/2022]
Abstract
Acute kidney injury (AKI) is an abrupt and usually reversible decline in renal function. AKI is considered one of the main drawbacks of the use of gentamicin that critically limits its clinical use. In this study, pirfenidone, an oral antifibrotic drug, was given to rats (200 mg/kg, p.o., daily) for seven days alone before the initiation of gentamicin treatment and continued for seven days alongside daily gentamicin injections. In gentamicin group, gentamicin was given to Wistar rats (100 mg/kg, i.p., daily) for seven days to induce AKI. Pirfenidone managed to alleviate gentamicin-induced AKI by improving kidney function parameters including serum creatinine, blood urea nitrogen (BUN), proteinuria, relative kidney-to-body weight ratio and creatinine clearance. Pirfenidone decreased cytotoxicity induced by gentamicin by decreasing lactate dehydrogenase (LDH) activity and improving histologic picture of tubules and glomeruli. Pirfenidone also alleviated oxidative stress induced by gentamicin by reducing malondialdehyde (MDA) and elevating reduced glutathione (GSH). Pirfenidone prevented the upregulated inflammasome pathway markers in the kidney. It succeeded in decreasing toll like recpetor-4 (TLR4), nuclear factor-kappa B (NF-κB), nucleotide-binding oligomerization domain [NOD]-like pyrin domain containing protein 3 (NLRP3), caspase-1, interleukin-1β (IL-1β) and IL-18 levels. Additionally, Pirfenidone caused a decrease in macrophage infiltration displayed by reduction in renal monocyte chemoattractant protein-1 (MCP-1) levels. To sum up, pirfenidone can effectively mitigate gentamicin-induced AKI by inhibiting oxidative stress, macrophage infiltration and inflammasome-dependent NLRP3 pathway-induced inflammation.
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Affiliation(s)
- Maha H Sharawy
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt.
| | - Marwa S Serrya
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
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50
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Su Z, Niu Q, Huang Z, Yang B, Zhang J. Association of nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing protein 3 polymorphisms with systemic lupus erythematosus disease activity and biomarker levels: A case-control study in Chinese population. Medicine (Baltimore) 2020; 99:e21888. [PMID: 32871918 PMCID: PMC7458188 DOI: 10.1097/md.0000000000021888] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/11/2020] [Accepted: 07/20/2020] [Indexed: 02/05/2023] Open
Abstract
Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease with considerable genetic predisposition. Nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing protein 3 (NLRP3) is crucial for the innate immunity and implicated in SLE pathogenesis. Accordingly, we conducted a case-control study to find the association of NLRP3 variations with SLE susceptibility and disease activity.Three single nucleotide polymorphisms of NLRP3 (rs3806268, rs4612666, and rs10754558) were genotyped in 400 SLE patients and 400 healthy controls; the patients were further divided into mild-to-moderate or high disease activity subgroup. Serum cytokines, complements, and autoantibodies were also detected.We found that rs4612666 TT genotype conferred a higher risk of severe disease activity with adjusted odds ratio = 2.08, P = .02 and adjusted odds ratio = 2.34, P = .01 in the codominant and recessive model, respectively. Nevertheless, there was no association between the 3 single nucleotide polymorphisms of NLRP3 gene and SLE susceptibility. In addition, C4 decreased significantly in rs3806268 GG (P < .001) and rs4612666 TT genotype carriers (P = .03). A higher trend of interleukin-1β and interleukin-γ release were identified in rs3806268 AA and rs10754558 CC genotype carriers, respectively.NLRP3 polymorphisms are associated with SLE disease activity and hypocomplementemia. Interleukin-1β and interleukin-γ levels in SLE patients are correlated with NLRP3 variants as well.
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