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Li Y, Luo C, Cai Y, Wu Y, Shu T, Wei J, Wang H, Niu H. IGF2BP3/NCBP1 complex inhibits renal tubular senescence through regulation of CDK6 mRNA stability. Transl Res 2024; 273:1-15. [PMID: 38945255 DOI: 10.1016/j.trsl.2024.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 06/16/2024] [Accepted: 06/18/2024] [Indexed: 07/02/2024]
Abstract
Renal aging and the subsequent rise in kidney-related diseases are attributed to senescence in renal tubular epithelial cells (RTECs). Our study revealed that the abnormal expression of insulin-like growth factor 2 mRNA-binding protein 3 (IGF2BP3), a reader of RNA N6-methyladenosine, is critically involved in cisplatin-induced renal tubular senescence. In cisplatin-induced senescence of RTECs, the promoter activity and transcription of IGF2BP3 is markedly suppressed. It was due to the down regulation of MYC proto-oncogene (MYC), which regulates IGF2BP3 transcription by binding to the putative site at 1852-1863 of the IGF2BP3 promoter. Overexpression of IGF2BP3 ameliorated cisplatin-induced renal tubular senescence in vitro. Mechanistic studies revealed that IGF2BP3 inhibits cellular senescence in RTECs by enhancing cyclin-dependent kinase 6 (CDK6) mRNA stability and increasing its expression. The inhibition effect of IGF2BP3 on tubular senescence is partially reversed by the knockdown of CDK6. Further, IGF2BP3 recruits nuclear cap binding protein subunit 1 (NCBP1) and inhibits CDK6 mRNA decay, by recognizing m6A modification. Specifically, IGF2BP3 recognizes m6A motif "GGACU" at nucleotides 110-114 in the 5' untranslated region (UTR) field of CDK6 mRNA. The involvement of IGF2BP3/CDK6 in alleviating tubular senescence was confirmed in a cisplatin-induced acute kidney injury (AKI)-to-chronic kidney disease (CKD) model. Clinical data also suggests an age-related decrease in IGF2BP3 and CDK6 levels in renal tissue or serum samples from patients. These findings suggest that IGF2BP3/CDK6 may be a promising target in cisplatin-induced tubular senescence and renal failure.
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Affiliation(s)
- Yaqin Li
- Department of General Practice, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Congwei Luo
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yating Cai
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yan Wu
- Department of General Practice, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Tao Shu
- Department of General Practice, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jingyan Wei
- Department of General Practice, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Hongsheng Wang
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Hongxin Niu
- Department of General Practice, Special Medical Service Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
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Lho Y, Park Y, Do JY, Kim AY, Park YE, Kang SH. Empagliflozin attenuates epithelial-to-mesenchymal transition through senescence in peritoneal dialysis. Am J Physiol Renal Physiol 2024; 327:F363-F372. [PMID: 38961839 DOI: 10.1152/ajprenal.00028.2024] [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: 01/23/2024] [Revised: 06/25/2024] [Accepted: 06/25/2024] [Indexed: 07/05/2024] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) is considered as one of the senescence processes; reportedly, antisenescence therapies effectively reduce EMT. Some models have shown antisenescence effects with the use of sodium-glucose cotransporter 2 (SGLT2) inhibitor. Therefore, our study investigated the antisenescence effects of empagliflozin as an SGLT2 inhibitor in a peritoneal fibrosis model and their impact on EMT inhibition. For in vitro study, human peritoneal mesothelial cells (HPMCs) were isolated and grown in a 96-well plate. The cell media were exchanged with serum-free M199 medium with d-glucose, with or without empagliflozin. All animal experiments were carried out in male mice. Mice were randomly classified into three treatment groups based on peritoneal dialysis (PD) or empagliflozin. We evaluated changes in senescence and EMT markers in HPMCs and PD model. HPMCs treated with glucose transformed from cobblestone to spindle shape, resulting in EMT. Empagliflozin attenuated these morphological changes. Reactive oxygen species production, DNA damage, senescence, and EMT markers were increased by glucose treatment; however, cotreatment with glucose and empagliflozin attenuated these changes. For the mice with PD, an increase in thickness, collagen deposition, staining for senescence, or EMT markers of the parietal peritoneum was observed, which, however, was attenuated by cotreatment with empagliflozin. p53, p21, and p16 increased in mice with PD compared with those in the control group; however, these changes were decreased by empagliflozin. In conclusion, empagliflozin effectively attenuated glucose-induced EMT in HPMCs through a decrease in senescence. Cotreatment with empagliflozin improved peritoneal thickness and fibrosis in PD.NEW & NOTEWORTHY Epithelial-to-mesenchymal transition (EMT) is considered one of the senescence processes. Antisenescence therapies may effectively reduce EMT in peritoneal dialysis models. Human peritoneal mesothelial cells treated with glucose show an increase in senescence and EMT markers; however, empagliflozin attenuates these changes. Mice undergoing peritoneal dialysis exhibit increased senescence and EMT markers, which are decreased by empagliflozin. These findings suggest that empagliflozin may emerge as a novel strategy for prevention or treatment of peritoneal fibrosis.
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Affiliation(s)
- Yunmee Lho
- Senotherpy-Based Metabolic Disease Control Research Center, College of Medicine, Yeungnam University, Daegu, Republic of Korea
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Yeungnam University, Daegu, Republic of Korea
| | - Yeong Park
- Senotherpy-Based Metabolic Disease Control Research Center, College of Medicine, Yeungnam University, Daegu, Republic of Korea
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Yeungnam University, Daegu, Republic of Korea
| | - Jun Young Do
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Yeungnam University, Daegu, Republic of Korea
| | - A-Young Kim
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Yeungnam University, Daegu, Republic of Korea
| | - Yong-Eun Park
- Department of Surgery, College of Medicine, Yeungnam University, Daegu, Republic of Korea
| | - Seok Hui Kang
- Senotherpy-Based Metabolic Disease Control Research Center, College of Medicine, Yeungnam University, Daegu, Republic of Korea
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Yeungnam University, Daegu, Republic of Korea
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Pan C, Wang X, Fan Z, Mao W, Shi Y, Wu Y, Liu T, Xu Z, Wang H, Chen H. Polystyrene microplastics facilitate renal fibrosis through accelerating tubular epithelial cell senescence. Food Chem Toxicol 2024; 191:114888. [PMID: 39053876 DOI: 10.1016/j.fct.2024.114888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 07/18/2024] [Accepted: 07/22/2024] [Indexed: 07/27/2024]
Abstract
Microplastics (MPs), emerging contaminants, are easily transported and enriched in the kidney, suggesting the kidney is susceptible to the toxicity of MPs. In this study, we explored the toxicity of MPs, including unmodified polystyrene (PS), negative-charged PS-SO3H, and positive-charged PS-NH2 MPs, in mice models for 28 days at a human equivalent concentration. The results showed MPs significantly increased levels of UREA, urea nitrogen (BUN), creatinine (CREA), and uric acid (UA) levels in serum and white blood cells, protein, and microalbumin in urine. In the kidney, MPs triggered persistent inflammation and renal fibrosis, which was caused by the increased senescence of tubular epithelial cells. Moreover, we identified the critical role of the Klotho/Wnt/β-catenin signaling pathway in the process of MPs induced senescence of tubular epithelial cells, promoting the epithelial-mesenchymal transformation of epithelial cells. MPs supported the secretion of TGF-β1 by senescent epithelial cells and induced the activation of renal fibroblasts. On the contrary, restoring the function of Klotho can alleviate the senescence of epithelial cells and reverse the activation of fibroblasts. Thus, our study revealed new evidence between MPs and renal fibrosis, and adds an important piece to the whole picture of the plastic pollution on people's health.
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Affiliation(s)
- Chun Pan
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Xinglong Wang
- Department of Orthopedics, The Fifth People's Hospital of Huai'an, Huai'an, China
| | - Zhencheng Fan
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Wenwen Mao
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Yujie Shi
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Yin Wu
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, China; Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Tingting Liu
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, China
| | - Zhuobin Xu
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Huihui Wang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Hao Chen
- Department of Orthopedics, Affiliated Hospital of Yangzhou University, Yangzhou, China.
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Wei Y, Mou S, Yang Q, Liu F, Cooper ME, Chai Z. To target cellular senescence in diabetic kidney disease: the known and the unknown. Clin Sci (Lond) 2024; 138:991-1007. [PMID: 39139135 PMCID: PMC11327223 DOI: 10.1042/cs20240717] [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: 04/12/2024] [Revised: 07/07/2024] [Accepted: 07/29/2024] [Indexed: 08/15/2024]
Abstract
Cellular senescence represents a condition of irreversible cell cycle arrest, characterized by heightened senescence-associated beta-galactosidase (SA-β-Gal) activity, senescence-associated secretory phenotype (SASP), and activation of the DNA damage response (DDR). Diabetic kidney disease (DKD) is a significant contributor to end-stage renal disease (ESRD) globally, with ongoing unmet needs in terms of current treatments. The role of senescence in the pathogenesis of DKD has attracted substantial attention with evidence of premature senescence in this condition. The process of cellular senescence in DKD appears to be associated with mitochondrial redox pathways, autophagy, and endoplasmic reticulum (ER) stress. Increasing accumulation of senescent cells in the diabetic kidney not only leads to an impaired capacity for repair of renal injury, but also the secretion of pro-inflammatory and profibrotic cytokines and growth factors causing inflammation and fibrosis. Current treatments for diabetes exhibit varying degrees of renoprotection, potentially via mitigation of senescence in the diabetic kidney. Targeting senescent cell clearance through pharmaceutical interventions could emerge as a promising strategy for preventing and treating DKD. In this paper, we review the current understanding of senescence in DKD and summarize the possible therapeutic interventions relevant to senescence in this field.
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Affiliation(s)
- Yuehan Wei
- Department of Diabetes, School of Translational Medicine, Monash University, Melbourne, Australia
- Department of Nephrology, Molecular Cell Laboratory for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shan Mou
- Department of Nephrology, Molecular Cell Laboratory for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing Yang
- Department of Nephrology, Laboratory of Diabetic Kidney Disease, Kidney Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Fang Liu
- Department of Nephrology, Laboratory of Diabetic Kidney Disease, Kidney Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Mark E Cooper
- Department of Diabetes, School of Translational Medicine, Monash University, Melbourne, Australia
| | - Zhonglin Chai
- Department of Diabetes, School of Translational Medicine, Monash University, Melbourne, Australia
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Qi W, Bai J, Wang R, Zeng X, Zhang L. SATB1, senescence and senescence-related diseases. J Cell Physiol 2024; 239:e31327. [PMID: 38801120 DOI: 10.1002/jcp.31327] [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: 01/31/2024] [Revised: 05/06/2024] [Accepted: 05/15/2024] [Indexed: 05/29/2024]
Abstract
Aging leads to an accumulation of cellular mutations and damage, increasing the risk of senescence, apoptosis, and malignant transformation. Cellular senescence, which is pivotal in aging, acts as both a guard against cellular transformation and as a check against cancer progression. It is marked by stable cell cycle arrest, widespread macromolecular changes, a pro-inflammatory profile, and altered gene expression. However, it remains to be determined whether these differing subsets of senescent cells result from unique intrinsic programs or are influenced by their environmental contexts. Multiple transcription regulators and chromatin modifiers contribute to these alterations. Special AT-rich sequence-binding protein 1 (SATB1) stands out as a crucial regulator in this process, orchestrating gene expression by structuring chromatin into loop domains and anchoring DNA elements. This review provides an overview of cellular senescence and delves into the role of SATB1 in senescence-related diseases. It highlights SATB1's potential in developing antiaging and anticancer strategies, potentially contributing to improved quality of life and addressing aging-related diseases.
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Affiliation(s)
- Wenjing Qi
- Department of Bioscience, Changchun Normal University, Changchun, Jilin, China
- Key Laboratory of Molecular Epigenetics of Ministry of Education, College of Life Sciences, Northeast Normal University, Changchun, Jilin, China
| | - Jinping Bai
- Department of Bioscience, Changchun Normal University, Changchun, Jilin, China
| | - Ruoxi Wang
- Center for Cell Structure and Function, College of Life Sciences, Key Laboratory of Animal Resistance Biology of Shandong Province, Shandong Normal University, Jinan, Shandong, China
| | - Xianlu Zeng
- Key Laboratory of Molecular Epigenetics of Ministry of Education, College of Life Sciences, Northeast Normal University, Changchun, Jilin, China
| | - Lihui Zhang
- Department of Bioscience, Changchun Normal University, Changchun, Jilin, China
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Li L, Xiang T, Guo J, Guo F, Wu Y, Feng H, Liu J, Tao S, Fu P, Ma L. Inhibition of ACSS2-mediated histone crotonylation alleviates kidney fibrosis via IL-1β-dependent macrophage activation and tubular cell senescence. Nat Commun 2024; 15:3200. [PMID: 38615014 PMCID: PMC11016098 DOI: 10.1038/s41467-024-47315-3] [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: 06/05/2023] [Accepted: 03/25/2024] [Indexed: 04/15/2024] Open
Abstract
Histone lysine crotonylation (Kcr), as a posttranslational modification, is widespread as acetylation (Kac); however, its roles are largely unknown in kidney fibrosis. In this study, we report that histone Kcr of tubular epithelial cells is abnormally elevated in fibrotic kidneys. By screening these crotonylated/acetylated factors, a crotonyl-CoA-producing enzyme ACSS2 (acyl-CoA synthetase short chain family member 2) is found to remarkably increase histone 3 lysine 9 crotonylation (H3K9cr) level without influencing H3K9ac in kidneys and tubular epithelial cells. The integrated analysis of ChIP-seq and RNA-seq of fibrotic kidneys reveal that the hub proinflammatory cytokine IL-1β, which is regulated by H3K9cr, play crucial roles in fibrogenesis. Furthermore, genetic and pharmacologic inhibition of ACSS2 both suppress H3K9cr-mediated IL-1β expression, which thereby alleviate IL-1β-dependent macrophage activation and tubular cell senescence to delay renal fibrosis. Collectively, our findings uncover that H3K9cr exerts a critical, previously unrecognized role in kidney fibrosis, where ACSS2 represents an attractive drug target to slow fibrotic kidney disease progression.
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Affiliation(s)
- Lingzhi Li
- Department of Nephrology, Institute of Kidney Diseases, West China Hospital of Sichuan University, and National Key Laboratory of Kidney Diseases, Chengdu, China
| | - Ting Xiang
- Department of Nephrology, Institute of Kidney Diseases, West China Hospital of Sichuan University, and National Key Laboratory of Kidney Diseases, Chengdu, China
| | - Jingjing Guo
- Department of Urology, Institute of Urology, West China Hospital of Sichuan University, Chengdu, China
| | - Fan Guo
- Department of Nephrology, Institute of Kidney Diseases, West China Hospital of Sichuan University, and National Key Laboratory of Kidney Diseases, Chengdu, China
| | - Yiting Wu
- Department of Nephrology, Institute of Kidney Diseases, West China Hospital of Sichuan University, and National Key Laboratory of Kidney Diseases, Chengdu, China
| | - Han Feng
- Tulane Research and Innovation for Arrhythmia Discoveries-TRIAD Center, Tulane University School of Medicine, New Orleans, LA, USA
| | - Jing Liu
- Department of Nephrology, Institute of Kidney Diseases, West China Hospital of Sichuan University, and National Key Laboratory of Kidney Diseases, Chengdu, China
| | - Sibei Tao
- Department of Nephrology, Institute of Kidney Diseases, West China Hospital of Sichuan University, and National Key Laboratory of Kidney Diseases, Chengdu, China
| | - Ping Fu
- Department of Nephrology, Institute of Kidney Diseases, West China Hospital of Sichuan University, and National Key Laboratory of Kidney Diseases, Chengdu, China.
| | - Liang Ma
- Department of Nephrology, Institute of Kidney Diseases, West China Hospital of Sichuan University, and National Key Laboratory of Kidney Diseases, Chengdu, China.
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7
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Melk A, Sugianto RI, Zhang X, Dahhou M, Döhler B, Süsal C, Sapir-Pichhadze R, Wong G, Foster BJ. Influence of donor sex and age on graft outcome in kidney transplantation. Nephrol Dial Transplant 2024; 39:607-617. [PMID: 37596063 PMCID: PMC10966323 DOI: 10.1093/ndt/gfad181] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Indexed: 08/20/2023] Open
Abstract
BACKGROUND There is a known recipient sex-dependent association between donor sex and kidney transplant survival. We hypothesized that donor age also modifies the association between donor sex and graft survival. METHODS First, deceased donor kidney transplant recipients (1988-2019, n = 461 364) recorded in the Scientific Registry of Transplant Recipients, the Australia and New Zealand Dialysis and Transplant Registry and the Collaborative Transplant Study were analyzed. We used multivariable Cox regression models to estimate the association between donor sex and death censored graft loss, accounting for the modifying effects of recipient sex and donor age; donor age was categorized as 5-19, 20-34, 35-49, 50-59 and ≥60 years. Results from cohort-specific Cox models were combined using individual patient data meta-analysis. RESULTS Among female recipients of donors aged <60 years, graft loss hazards did not differ by donor sex; recipients of female donors ≥60 years showed significantly lower graft loss hazards than recipients of male donors of the same age [combined adjusted hazard ratio (aHR) 0.90, 95% CI 0.86-0.94]. Among male recipients, female donors aged <50 years were associated with significantly higher graft loss hazards than same-aged male donors (5-19 years: aHR 1.11, 95% CI 1.02-1.21; 20-34 years: aHR 1.08, 95% CI 1.02-1.15; 35-49 years: aHR 1.07, 95% CI 1.04-1.10). There were no significant differences in graft loss by donor sex among male recipients of donors aged ≥50 years. CONCLUSION Donor age modifies the association between donor sex and graft survival. Older female donors were associated with similar or lower hazards of graft failure than older male donors in both male and female recipients, suggesting a better functional reserve of older female donor kidneys.
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Affiliation(s)
- Anette Melk
- Children's Hospital, Hannover Medical School, Hannover, Germany
| | | | - Xun Zhang
- Research Institute of the McGill University Health Centre, Centre for Outcomes Research and Evaluation, Montréal, QC, Canada
| | - Mourad Dahhou
- Research Institute of the McGill University Health Centre, Centre for Outcomes Research and Evaluation, Montréal, QC, Canada
| | - Bernd Döhler
- Institute of Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Caner Süsal
- Transplant Immunology Research Center of Excellence, Koç University, Istanbul, Turkey
| | - Ruth Sapir-Pichhadze
- Research Institute of the McGill University Health Centre, Centre for Outcomes Research and Evaluation, Montréal, QC, Canada
- Department of Medicine, Division of Nephrology, McGill University, Montréal, QC, Canada
- Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, QC, Canada
| | - Germaine Wong
- School of Public Health, University of Sydney, Sydney, New South Wales, Australia
| | - Bethany J Foster
- Research Institute of the McGill University Health Centre, Centre for Outcomes Research and Evaluation, Montréal, QC, Canada
- Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, QC, Canada
- Department of Pediatrics, Division of Nephrology, McGill University, Montréal, QC, Canada
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Lu J, Sun W, Liu B, Zhang J, Wang R, Goltzman D, Miao D. Chk2 Modulates Bmi1-Deficiency-Induced Renal Aging and Fibrosis via Oxidative Stress, DNA Damage, and p53/TGFβ1-Induced Epithelial-Mesenchymal Transition. Int J Biol Sci 2024; 20:2008-2026. [PMID: 38617548 PMCID: PMC11008269 DOI: 10.7150/ijbs.93598] [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: 12/25/2023] [Accepted: 03/03/2024] [Indexed: 04/16/2024] Open
Abstract
Renal aging may lead to fibrosis and dysfunction, yet underlying mechanisms remain unclear. We explored whether deficiency of the Polycomb protein Bmi1 causes renal aging via DNA damage response (DDR) activation, inducing renal tubular epithelial cell (RTEC) senescence and epithelial-mesenchymal transition (EMT). Bmi1 knockout mice exhibited oxidative stress, DDR activation, RTEC senescence, senescence-associated secretory phenotype (SASP), and age-related fibrosis in kidneys. Bmi1 deficiency impaired renal structure and function, increasing serum creatinine/urea, reducing creatinine clearance, and decreasing cortical thickness and glomerular number. However, knockout of the serine-threonine kinase Chk2 alleviated these aging phenotypes. Transcriptomics identified transforming growth factor beta 1 (TGFβ1) upregulation in Bmi1-deficient RTECs, but TGFβ1 was downregulated upon Chk2 knockout. The tumor suppressor protein p53 transcriptionally activated TGFβ1, promoting EMT in RTECs. Bmi1 knockout or oxidative stress (induced with H2O2) increased TGFβ1 expression, and EMT in RTECs and was partly reversed by p53 inhibition. Together, Bmi1 deficiency causes oxidative stress and DDR-mediated RTEC senescence/SASP, thus activating p53 and TGFβ1 to induce EMT and age-related fibrosis. However, blocking DDR (via Chk2 knockout) or p53 ameliorates these changes. Our study reveals mechanisms whereby Bmi1 preserves renal structure and function during aging by suppressing DDR and p53/TGFβ1-mediated EMT. These pathways represent potential targets for detecting and attenuating age-related renal decline.
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Affiliation(s)
- Jinhong Lu
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - Weiwei Sun
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - Boyang Liu
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - Jinge Zhang
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - Rong Wang
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - David Goltzman
- Calcium Research Laboratory, McGill University Health Centre and Department of Medicine, McGill University, Montreal, Quebec H4A 3J1, Canada
| | - Dengshun Miao
- The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, China
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9
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Chen J, Zhang H, Yi X, Dou Q, Yang X, He Y, Chen J, Chen K. Cellular senescence of renal tubular epithelial cells in acute kidney injury. Cell Death Discov 2024; 10:62. [PMID: 38316761 PMCID: PMC10844256 DOI: 10.1038/s41420-024-01831-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 01/14/2024] [Accepted: 01/24/2024] [Indexed: 02/07/2024] Open
Abstract
Cellular senescence represents an irreversible state of cell-cycle arrest during which cells secrete senescence-associated secretory phenotypes, including inflammatory factors and chemokines. Additionally, these cells exhibit an apoptotic resistance phenotype. Cellular senescence serves a pivotal role not only in embryonic development, tissue regeneration, and tumor suppression but also in the pathogenesis of age-related degenerative diseases, malignancies, metabolic diseases, and kidney diseases. The senescence of renal tubular epithelial cells (RTEC) constitutes a critical cellular event in the progression of acute kidney injury (AKI). RTEC senescence inhibits renal regeneration and repair processes and, concurrently, promotes the transition of AKI to chronic kidney disease via the senescence-associated secretory phenotype. The mechanisms underlying cellular senescence are multifaceted and include telomere shortening or damage, DNA damage, mitochondrial autophagy deficiency, cellular metabolic disorders, endoplasmic reticulum stress, and epigenetic regulation. Strategies aimed at inhibiting RTEC senescence, targeting the clearance of senescent RTEC, or promoting the apoptosis of senescent RTEC hold promise for enhancing the renal prognosis of AKI. This review primarily focuses on the characteristics and mechanisms of RTEC senescence, and the impact of intervening RTEC senescence on the prognosis of AKI, aiming to provide a foundation for understanding the pathogenesis and providing potentially effective approaches for AKI treatment.
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Affiliation(s)
- Juan Chen
- Department of Nephrology, Daping Hospital, Army Medical University, 400042, Chongqing, China
| | - Huhai Zhang
- Department of Nephrology, Southwest Hospital, Army Medical University, 400042, Chongqing, China
| | - Xiangling Yi
- Department of Nephrology, Daping Hospital, Army Medical University, 400042, Chongqing, China
| | - Qian Dou
- Department of Nephrology, Daping Hospital, Army Medical University, 400042, Chongqing, China
| | - Xin Yang
- Department of Nephrology, Daping Hospital, Army Medical University, 400042, Chongqing, China
| | - Yani He
- Department of Nephrology, Daping Hospital, Army Medical University, 400042, Chongqing, China
| | - Jia Chen
- Department of Nephrology, Daping Hospital, Army Medical University, 400042, Chongqing, China.
| | - Kehong Chen
- Department of Nephrology, Daping Hospital, Army Medical University, 400042, Chongqing, China.
- State Key Laboratory of Trauma, Burn and Combined Injury, Army Medical University, Chongqing, China.
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10
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Tang C, Yang C, Wang P, Li L, Lin Y, Yi Q, Tang F, Liu L, Zhou W, Liu D, Zhang L, Yuan X. Identification and Validation of Glomeruli Cellular Senescence-Related Genes in Diabetic Nephropathy by Multiomics. Adv Biol (Weinh) 2024; 8:e2300453. [PMID: 37957539 DOI: 10.1002/adbi.202300453] [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: 08/27/2023] [Revised: 10/08/2023] [Indexed: 11/15/2023]
Abstract
Accumulating evidence indicates that cellular premature senescence of the glomerulus, including endothelial cells, mesangial cells, and podocytes leads to diabetic nephropathy (DN), and DN is regarded as a clinical model of premature senescence. However, the role of cellular senescence-associated genes in the glomerulus in DN progression remains unclear. Therefore, this work aims to identify and validate potential cellular aging-related genes in the glomerulus in DN to provide novel clues for DN treatment based on anti-aging. The microarray GSE96804 dataset, including 41 diabetic glomeruli and 20 control glomeruli, is retrieved from the Gene Expression Omnibus (GEO) database and cellular senescence-related genes (CSRGs) are obtained from the GeneCards database and literature reports. Subsequently, PPI, GO, and KEGG enrichment are analyzed by screening the intersection between differentially expressed genes (DEGs) and CSRGs. scRNA-seq dataset GSE127235 is used to verify core genes expression in glomerulocytes of mice. Finally, db/db mice are utilized to validate the hub gene expression in the glomeruli, and high glucose-induced mesangial cells are used to confirm key gene expression. This study reveals that FOS and ZFP36 may play an anti-aging role in DN to ameliorate cell intracellular premature aging in mesangial cells of glomeruli.
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Affiliation(s)
- Chunyin Tang
- Evidence-Based Pharmacy Center, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu, 610000, China
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Chunsong Yang
- Evidence-Based Pharmacy Center, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu, 610000, China
| | - Peiwen Wang
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Luxin Li
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Yunzhu Lin
- Evidence-Based Pharmacy Center, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu, 610000, China
| | - Qiusha Yi
- Evidence-Based Pharmacy Center, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu, 610000, China
| | - Fengru Tang
- Evidence-Based Pharmacy Center, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu, 610000, China
| | - Lantao Liu
- Postgraduate Department, Mudanjiang Medical University, Mudanjiang, 157011, China
| | - Wei Zhou
- Evidence-Based Pharmacy Center, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu, 610000, China
| | - Dongwen Liu
- Evidence-Based Pharmacy Center, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu, 610000, China
| | - Lingli Zhang
- Evidence-Based Pharmacy Center, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu, 610000, China
| | - Xiaohuan Yuan
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157000, China
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11
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Rex N, Melk A, Schmitt R. Cellular senescence and kidney aging. Clin Sci (Lond) 2023; 137:1805-1821. [PMID: 38126209 PMCID: PMC10739085 DOI: 10.1042/cs20230140] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 11/22/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023]
Abstract
Life expectancy is increasing worldwide, and by 2050 the proportion of the world's population over 65 years of age is estimated to surpass 1.5 billion. Kidney aging is associated with molecular and physiological changes that cause a loss of renal function and of regenerative potential. As the aging population grows, it is crucial to understand the mechanisms underlying these changes, as they increase the susceptibility to developing acute kidney injury (AKI) and chronic kidney disease (CKD). Various cellular processes and molecular pathways take part in the complex process of kidney aging. In this review, we will focus on the phenomenon of cellular senescence as one of the involved mechanisms at the crossroad of kidney aging, age-related disease, and CKD. We will highlight experimental and clinical findings about the role of cellular senescence in kidney aging and CKD. In addition, we will review challenges in senescence research and emerging therapeutic aspects. We will highlight the great potential of senolytic strategies for the elimination of harmful senescent cells to promote healthy kidney aging and to avoid age-related disease and CKD. This review aims to give insight into recent discoveries and future developments, providing a comprehensive overview of current knowledge on cellular senescence and anti-senescent therapies in the kidney field.
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Affiliation(s)
- Nikolai Rex
- Department of Nephrology and Hypertension, Medical School Hannover, Germany
| | - Anette Melk
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Medical School Hannover, Germany
| | - Roland Schmitt
- Department of Nephrology and Hypertension, Medical School Hannover, Germany
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, Kiel, Germany
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12
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Soleimani M, Cheraqpour K, Koganti R, Djalilian AR. Cellular senescence and ophthalmic diseases: narrative review. Graefes Arch Clin Exp Ophthalmol 2023; 261:3067-3082. [PMID: 37079093 DOI: 10.1007/s00417-023-06070-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 03/21/2023] [Accepted: 04/11/2023] [Indexed: 04/21/2023] Open
Abstract
PURPOSE Cellular senescence is a state of permanent growth arrest whereby a cell reaches its replicative limit. However, senescence can also be triggered prematurely in certain stressors including radiation, oxidative stress, and chemotherapy. This stress-induced senescence has been studied in the context of promoting inflammation, tumor development, and several chronic degenerative diseases of aging. Emerging research has elucidated the role of senescence in various ocular diseases. METHODS The literature search was performed using PubMed with using the query (senescence OR aging) AND (eye disease OR ocular disease OR ophthalmic disease OR cornea OR glaucoma OR cataract OR retina) on October 20th, 2022. No time restriction was proposed. Articles were excluded if they were not referenced in English. RESULTS Overall, 51 articles regarding senescence and ocular diseases were found and summarized in this study. Several signaling pathways have been implicated in the development of senescence. Currently, senescence has been linked to various corneal and retinal pathologies, as well as cataract and glaucoma. Given the number of pathologies, senolytics, which are small molecules with the ability to selective targeting of senescent cells, can be used as therapeutic or prophylactic agents. CONCLUSIONS Senescence has been shown to underlie the pathogenesis of numerous ocular diseases. The overall literature on senescence and ocular disease is growing rapidly. There is an ongoing debate whether or not cellular senescence detected in experiments contributes in a significant way to diseases. Research on understanding the mechanism of senescence from ocular cells and tissues is just beginning. Multiple animal models are required to test potential senolytics. Currently, no studies exist to date which have demonstrated the benefits of senolytic therapies in human studies.
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Affiliation(s)
- Mohammad Soleimani
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, IL, USA
- Cornea Service, Stem Cell Therapy and Corneal Tissue Engineering Laboratory, Illinois Eye and Ear Infirmary, 1855 W. Taylor Street, M/C 648, Chicago, IL, 60612, USA
| | - Kasra Cheraqpour
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Raghuram Koganti
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, IL, USA
| | - Ali R Djalilian
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, IL, USA.
- Cornea Service, Stem Cell Therapy and Corneal Tissue Engineering Laboratory, Illinois Eye and Ear Infirmary, 1855 W. Taylor Street, M/C 648, Chicago, IL, 60612, USA.
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13
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Tilman G, Dupré E, Watteyne L, Baert CA, Nolf D, Benhaddi F, Lambert F, Daumerie A, Bouzin C, Lucas S, Limaye N. p16 Ink4a, a marker of cellular senescence, is associated with renal disease in the B6. NZMSle1/Sle2/Sle3 mouse model of lupus. Lupus Sci Med 2023; 10:e001010. [PMID: 37899089 PMCID: PMC10619045 DOI: 10.1136/lupus-2023-001010] [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: 08/01/2023] [Accepted: 10/09/2023] [Indexed: 10/31/2023]
Abstract
OBJECTIVES Despite treatment, one-third of patients with lupus nephritis (LN) show a decline in renal function. Prognostic markers of poor outcome as well as novel therapeutic targets are therefore highly sought. We showed that p16INK4a, a marker of cellular senescence, is observed in baseline kidney biopsies from patients with LN, and is associated with renal disease. Here, we set out to assess for whether these findings are recapitulated in the B6.NZMSle1/Sle2/Sle3 (B6.Sle1.2.3) mouse model of spontaneous lupus. METHODS We evaluated the occurrence and time of onset of p16Ink4a staining by immunohistochemistry on kidney sections, and tested for its association with multiple renal and systemic disease parameters, fibrosis and CD8+ T cell infiltration, in two cohorts of B6.Sle1.2.3 mice. RESULTS The presence of p16Ink4a-positive cells in kidney was significantly associated with increased urine albumin/creatinine ratio, histopathological scores, CD8+ T cell infiltration and fibrosis, in both B6.Sle1.2.3 cohorts. In contrast, p16Ink4a staining was not associated with systemic disease parameters. A time course showed that systemic disease parameters as well as glomerular IgG deposits appeared in B6.Sle1.2.3 mice by 4 months of age; the appearance of p16Ink4a-positive cells occurred later, by 8 months of age, overlapping with renal disease. CONCLUSION We report, for the first time, the presence of p16Ink4a-positive cells, a marker of cellular senescence, in the B6.Sle1.2.3 kidney, and their association with renal disease severity. This provides a preclinical model in which to test for the role of cellular senescence in the pathogenesis of LN, as a potential kidney-intrinsic disease mechanism.
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Affiliation(s)
- Gaëlle Tilman
- de Duve Institute, Université catholique de Louvain, Brussels, Belgium
- Department of Rheumatology, Cliniques universitaires Saint-Luc, Brussels, Belgium
| | - Emilie Dupré
- de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Laura Watteyne
- de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | | | - Delphine Nolf
- de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Fatima Benhaddi
- de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Fanny Lambert
- de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Aurélie Daumerie
- IREC Imaging Platform (2IP), Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Caroline Bouzin
- IREC Imaging Platform (2IP), Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Sophie Lucas
- de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Nisha Limaye
- de Duve Institute, Université catholique de Louvain, Brussels, Belgium
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14
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Sinning J, Funk ND, Soerensen-Zender I, Wulfmeyer VC, Liao CM, Haller H, Hinze C, Schmidt-Ott KM, Melk A, Schmitt R. The aging kidney is characterized by tubuloinflammaging, a phenotype associated with MHC-II gene expression. Front Immunol 2023; 14:1222339. [PMID: 37675124 PMCID: PMC10477980 DOI: 10.3389/fimmu.2023.1222339] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 08/01/2023] [Indexed: 09/08/2023] Open
Abstract
Introduction Even during physiologic aging, the kidney experiences a loss of mass and a progressive functional decline. This is clinically relevant as it leads to an increased risk of acute and chronic kidney disease. The kidney tubular system plays an important role in the underlying aging process, but the involved cellular mechanisms remain largely elusive. Methods Kidneys of 3-, 12- and 24-month-old male C57BL/6J mice were used for RNA sequencing, histological examination, immunostaining and RNA-in-situ-hybridization. Single cell RNA sequencing data of differentially aged murine and human kidneys was analyzed to identify age-dependent expression patterns in tubular epithelial cells. Senescent and non-senescent primary tubular epithelial cells from mouse kidney were used for in vitro experiments. Results During normal kidney aging, tubular cells adopt an inflammatory phenotype, characterized by the expression of MHC class II related genes. In our analysis of bulk and single cell transcriptional data we found that subsets of tubular cells show an age-related expression of Cd74, H2-Eb1 and H2-Ab1 in mice and CD74, HLA-DQB1 and HLADRB1 in humans. Expression of MHC class II related genes was associated with a phenotype of tubular cell senescence, and the selective elimination of senescent cells reversed the phenotype. Exposure to the Cd74 ligand MIF promoted a prosenescent phenotype in tubular cell cultures. Discussion Together, these data suggest that during normal renal aging tubular cells activate a program of 'tubuloinflammaging', which might contribute to age-related phenotypical changes and to increased disease susceptibility.
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Affiliation(s)
- Julius Sinning
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | - Nils David Funk
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | - Inga Soerensen-Zender
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | | | - Chieh Ming Liao
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | - Hermann Haller
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | - Christian Hinze
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | | | - Anette Melk
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Roland Schmitt
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
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15
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Lorenz EC, Hickson LJ, Khairallah P, Najafi B, Kennedy CC. Cellular Senescence and Frailty in Transplantation. CURRENT TRANSPLANTATION REPORTS 2023; 10:51-59. [PMID: 37576589 PMCID: PMC10414789 DOI: 10.1007/s40472-023-00393-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/16/2023] [Indexed: 03/28/2023]
Abstract
Purpose of review To summarizes the literature on cellular senescence and frailty in solid-organ transplantation and highlight the emerging role of senotherapeutics as a treatment for cellular senescence. Recent findings Solid-organ transplant patients are aging. Many factors contribute to aging acceleration in this population, including cellular senescence. Senescent cells accumulate in tissues and secrete proinflammatory and profibrotic proteins which result in tissue damage. Cellular senescence contributes to age-related diseases and frailty. Our understanding of the role cellular senescence plays in transplant-specific complications such as allograft immunogenicity and infections is expanding. Promising treatments, including senolytics, senomorphics, cell-based regenerative therapies, and behavioral interventions, may reduce cellular senescence abundance and frailty in patients with solid-organ transplants. Summary Cellular senescence and frailty contribute to adverse outcomes in solid-organ transplantation. Continued pursuit of understanding the role cellular senescence plays in transplantation may lead to improved senotherapeutic approaches and better graft and patient outcomes.
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Affiliation(s)
| | - LaTonya J. Hickson
- Division of Nephrology and Hypertension, Mayo Clinic, Jacksonville, Florida
| | | | - Bijan Najafi
- Division of Vascular Surgery and Endovascular Therapy, Baylor College of Medicine, Houston, Texas
| | - Cassie C. Kennedy
- Division of Pulmonary, Critical Care, and Sleep Medicine, Mayo Clinic, Rochester, Minnesota
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16
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Chen Q, Young L, Barsotti R. Mitochondria in cell senescence: A Friend or Foe? ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2023; 136:35-91. [PMID: 37437984 DOI: 10.1016/bs.apcsb.2023.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Cell senescence denotes cell growth arrest in response to continuous replication or stresses damaging DNA or mitochondria. Mounting research suggests that cell senescence attributes to aging-associated failing organ function and diseases. Conversely, it participates in embryonic tissue maturation, wound healing, tissue regeneration, and tumor suppression. The acute or chronic properties and microenvironment may explain the double faces of senescence. Senescent cells display unique characteristics. In particular, its mitochondria become elongated with altered metabolomes and dynamics. Accordingly, mitochondria reform their function to produce more reactive oxygen species at the cost of low ATP production. Meanwhile, destructed mitochondrial unfolded protein responses further break the delicate proteostasis fostering mitochondrial dysfunction. Additionally, the release of mitochondrial damage-associated molecular patterns, mitochondrial Ca2+ overload, and altered NAD+ level intertwine other cellular organelle strengthening senescence. These findings further intrigue researchers to develop anti-senescence interventions. Applying mitochondrial-targeted antioxidants reduces cell senescence and mitigates aging by restoring mitochondrial function and attenuating oxidative stress. Metformin and caloric restriction also manifest senescent rescuing effects by increasing mitochondria efficiency and alleviating oxidative damage. On the other hand, Bcl2 family protein inhibitors eradicate senescent cells by inducing apoptosis to facilitate cancer chemotherapy. This review describes the different aspects of mitochondrial changes in senescence and highlights the recent progress of some anti-senescence strategies.
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Affiliation(s)
- Qian Chen
- Philadelphia College of Osteopathic Medicine, Philadelphia, PA, United States.
| | - Lindon Young
- Philadelphia College of Osteopathic Medicine, Philadelphia, PA, United States
| | - Robert Barsotti
- Philadelphia College of Osteopathic Medicine, Philadelphia, PA, United States
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17
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Moiseeva V, Cisneros A, Cobos AC, Tarrega AB, Oñate CS, Perdiguero E, Serrano AL, Muñoz-Cánoves P. Context-dependent roles of cellular senescence in normal, aged, and disease states. FEBS J 2023; 290:1161-1185. [PMID: 35811491 DOI: 10.1111/febs.16573] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/20/2022] [Accepted: 07/07/2022] [Indexed: 01/10/2023]
Abstract
Cellular senescence is a state of irreversible cell cycle arrest that often emerges after tissue damage and in age-related diseases. Through the production of a multicomponent secretory phenotype (SASP), senescent cells can impact the regeneration and function of tissues. However, the effects of senescent cells and their SASP are very heterogeneous and depend on the tissue environment and type as well as the duration of injury, the degree of persistence of senescent cells and the organism's age. While the transient presence of senescent cells is widely believed to be beneficial, recent data suggest that it is detrimental for tissue regeneration after acute damage. Furthermore, although senescent cell persistence is typically associated with the progression of age-related chronic degenerative diseases, it now appears to be also necessary for correct tissue function in the elderly. Here, we discuss what is currently known about the roles of senescent cells and their SASP in tissue regeneration in ageing and age-related diseases, highlighting their (negative and/or positive) contributions. We provide insight for future research, including the possibility of senolytic-based therapies and cellular reprogramming, with aims ranging from enhancing tissue repair to extending a healthy lifespan.
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Affiliation(s)
- Victoria Moiseeva
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - Andrés Cisneros
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - Aina Calls Cobos
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - Aida Beà Tarrega
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - Claudia Santos Oñate
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - Eusebio Perdiguero
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - Antonio L Serrano
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - Pura Muñoz-Cánoves
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain.,ICREA, Barcelona, Spain.,Spanish National Center on Cardiovascular Research (CNIC), Madrid, Spain
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18
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Eymael J, van den Broek M, Miesen L, Monge VV, van den Berge BT, Mooren F, Velez VL, Dijkstra J, Hermsen M, Bándi P, Vermeulen M, de Wildt S, Willemsen B, Florquin S, Wetzels R, Steenbergen E, Kramann R, Moeller M, Schreuder MF, Wetzels JF, van der Vlag J, Jansen J, Smeets B. Human scattered tubular cells represent a heterogeneous population of glycolytic dedifferentiated proximal tubule cells. J Pathol 2023; 259:149-162. [PMID: 36373978 PMCID: PMC10107692 DOI: 10.1002/path.6029] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/22/2022] [Accepted: 10/31/2022] [Indexed: 11/16/2022]
Abstract
Scattered tubular cells (STCs) are a phenotypically distinct cell population in the proximal tubule that increase in number after acute kidney injury. We aimed to characterize the human STC population. Three-dimensional human tissue analysis revealed that STCs are preferentially located within inner bends of the tubule and are barely present in young kidney tissue (<2 years), and their number increases with age. Increased STC numbers were associated with acute tubular injury (kidney injury molecule 1) and interstitial fibrosis (alpha smooth muscle actin). Isolated CD13+ CD24- CD133- proximal tubule epithelial cells (PTECs) and CD13+ CD24+ and CD13+ CD133+ STCs were analyzed using RNA sequencing. Transcriptome analysis revealed an upregulation of nuclear factor κB, tumor necrosis factor alpha, and inflammatory pathways in STCs, whereas metabolism, especially the tricarboxylic acid cycle and oxidative phosphorylation, was downregulated, without showing signs of cellular senescence. Using immunostaining and a publicly available single-cell sequencing database of human kidneys, we demonstrate that STCs represent a heterogeneous population in a transient state. In conclusion, STCs are dedifferentiated PTECs showing a metabolic shift toward glycolysis, which could facilitate cellular survival after kidney injury. © 2022 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Jennifer Eymael
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Martijn van den Broek
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.,Department of Pediatric Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Amalia Children's Hospital, Nijmegen, The Netherlands
| | - Laura Miesen
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Valerie Villacorta Monge
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Bartholomeus T van den Berge
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.,Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Fieke Mooren
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Vicky Luna Velez
- Department of Molecular Biology, Radboud Institute for Molecular Life Science, Nijmegen, The Netherlands
| | - Jelmer Dijkstra
- Department of Molecular Biology, Radboud Institute for Molecular Life Science, Nijmegen, The Netherlands
| | - Meyke Hermsen
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Péter Bándi
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Michiel Vermeulen
- Department of Molecular Biology, Radboud Institute for Molecular Life Science, Nijmegen, The Netherlands
| | - Saskia de Wildt
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Science, Nijmegen, The Netherlands
| | - Brigith Willemsen
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Sandrine Florquin
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Amsterdam Institute for Infection and Immunology, Amsterdam, The Netherlands
| | - Roy Wetzels
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Eric Steenbergen
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Rafael Kramann
- Division of Nephrology and Clinical Immunology, RWTH Aachen University, Aachen, Germany.,Institute of Experimental Medicine and Systems Biology, RWTH Aachen University, Aachen, Germany.,Department of Internal Medicine, Nephrology and Transplantation, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Marcus Moeller
- Division of Nephrology and Clinical Immunology, RWTH Aachen University, Aachen, Germany
| | - Michiel F Schreuder
- Department of Pediatric Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Amalia Children's Hospital, Nijmegen, The Netherlands
| | - Jack Fm Wetzels
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.,Department of Nephrology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Johan van der Vlag
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jitske Jansen
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.,Department of Pediatric Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Amalia Children's Hospital, Nijmegen, The Netherlands.,Institute of Experimental Medicine and Systems Biology, RWTH Aachen University, Aachen, Germany
| | - Bart Smeets
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
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19
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Ferreira-Gonzalez S, Man TY, Esser H, Aird R, Kilpatrick AM, Rodrigo-Torres D, Younger N, Campana L, Gadd VL, Dwyer B, Aleksieva N, Boulter L, Macmillan MT, Wang Y, Mylonas KJ, Ferenbach DA, Kendall TJ, Lu WY, Acosta JC, Kurian D, O'Neill S, Oniscu GC, Banales JM, Krimpenfort PJ, Forbes SJ. Senolytic treatment preserves biliary regenerative capacity lost through cellular senescence during cold storage. Sci Transl Med 2022; 14:eabj4375. [PMID: 36475903 DOI: 10.1126/scitranslmed.abj4375] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Liver transplantation is the only curative option for patients with end-stage liver disease. Despite improvements in surgical techniques, nonanastomotic strictures (characterized by the progressive loss of biliary tract architecture) continue to occur after liver transplantation, negatively affecting liver function and frequently leading to graft loss and retransplantation. To study the biological effects of organ preservation before liver transplantation, we generated murine models that recapitulate liver procurement and static cold storage. In these models, we explored the response of cholangiocytes and hepatocytes to cold storage, focusing on responses that affect liver regeneration, including DNA damage, apoptosis, and cellular senescence. We show that biliary senescence was induced during organ retrieval and exacerbated during static cold storage, resulting in impaired biliary regeneration. We identified decoy receptor 2 (DCR2)-dependent responses in cholangiocytes and hepatocytes, which differentially affected the outcome of those populations during cold storage. Moreover, CRISPR-mediated DCR2 knockdown in vitro increased cholangiocyte proliferation and decreased cellular senescence but had the opposite effect in hepatocytes. Using the p21KO model to inhibit senescence onset, we showed that biliary tract architecture was better preserved during cold storage. Similar results were achieved by administering senolytic ABT737 to mice before procurement. Last, we perfused senolytics into discarded human donor livers and showed that biliary architecture and regenerative capacities were better preserved. Our results indicate that cholangiocytes are susceptible to senescence and identify the use of senolytics and the combination of senotherapies and machine-perfusion preservation to prevent this phenotype and reduce the incidence of biliary injury after transplantation.
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Affiliation(s)
- Sofia Ferreira-Gonzalez
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Tak Yung Man
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Hannah Esser
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
- Department of Visceral, Transplant and Thoracic Surgery, Centre of Operative Medicine, Innsbruck Medical University, Anichstrasse 35, Innsbruck 6020, Austria
| | - Rhona Aird
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Alastair M Kilpatrick
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Daniel Rodrigo-Torres
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Nicholas Younger
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, UK
| | - Lara Campana
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Victoria L Gadd
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Benjamin Dwyer
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Niya Aleksieva
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Luke Boulter
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, UK
| | - Mark T Macmillan
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Yinmiao Wang
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
| | - Katie J Mylonas
- Centre for Inflammation Research (CIR), University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - David A Ferenbach
- Centre for Inflammation Research (CIR), University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Timothy J Kendall
- Centre for Inflammation Research (CIR), University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Wei-Yu Lu
- Centre for Inflammation Research (CIR), University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Juan Carlos Acosta
- Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Cancer, University of Edinburgh, Crewe Road, Edinburgh EH4 2XR, UK
- Instituto de Biomedicina y Biotecnología de Cantabria (IBBTEC), CSIC-Universidad de Cantabria-SODERCAN, C/ Albert Einstein 22, Santander, 39011, Spain
| | - Dominic Kurian
- Proteomic and Metabolomics Unit, Roslin Institute, University of Edinburgh, Easter Bush Campus, Midlothian EH25 9RG, UK
| | - Stephen O'Neill
- Department of Transplant Surgery, Belfast City Hospital, 51 Lisburn Road, Belfast BT9 7AB, UK
- Centre for Public Health, Queen's University Belfast, Institute of Clinical Science, Block A, Royal Victoria Hospital, Belfast BT12 6BA, UK
| | - Gabriel C Oniscu
- Edinburgh Transplant Centre, Royal Infirmary of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, UK
- Department of Clinical Surgery, University of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, UK
| | - Jesus M Banales
- Department of Liver and Gastrointestinal Diseases, Biodonostia Health Research Institute, Donostia University Hospital, University of the Basque Country (UPV/EHU), CIBERehd, Ikerbasque, San Sebastian 20014, Spain
- Department of Biochemistry and Genetics, School of Sciences, University of Navarra, 31009 Pamplona, Spain
| | | | - Stuart J Forbes
- MRC Centre for Regenerative Medicine, University of Edinburgh, 5 Little France Drive, Edinburgh EH16 4UU, UK
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20
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Targeting innate immunity-driven inflammation in CKD and cardiovascular disease. Nat Rev Nephrol 2022; 18:762-778. [PMID: 36064794 DOI: 10.1038/s41581-022-00621-9] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/02/2022] [Indexed: 11/08/2022]
Abstract
Mortality among patients with chronic kidney disease (CKD) is largely a consequence of cardiovascular disease (CVD) and is a particular concern given the increasing prevalence of CKD. Sterile inflammation triggered by activation of the innate immune system is an important driver of both CKD and associated CVD. Several endogenous mediators, including lipoproteins, crystals such as silica, urate and cholesterol crystals, or compounds released from dying cells interact with pattern recognition receptors expressed on a variety of different cell types, leading to the release of pro-inflammatory cytokines. Disturbed regulation of the haematopoietic system by damage-associated molecular patterns, or as a consequence of clonal haematopoiesis or trained innate immunity, also contributes to the development of inflammation. In observational and genetic association studies, inflammation is linked to the progression of CKD and cardiovascular events. In 2017, the CANTOS trial of canakinumab provided evidence that inhibiting inflammation driven by NLRP3-IL-1-IL-6-mediated signalling significantly reduced cardiovascular event rates in individuals with and without CKD. Other approaches to target innate immune pathways are now under investigation for their ability to reduce cardiovascular events and slow disease progression among patients with atherosclerosis and stage 3 and 4 CKD. This Review summarizes current understanding of the role of inflammation in the pathogenesis of CKD and its associated CVD, and how this knowledge may translate into novel therapeutics.
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21
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Liao CM, Wulfmeyer VC, Chen R, Erlangga Z, Sinning J, von Mässenhausen A, Sörensen-Zender I, Beer K, von Vietinghoff S, Haller H, Linkermann A, Melk A, Schmitt R. Induction of ferroptosis selectively eliminates senescent tubular cells. Am J Transplant 2022; 22:2158-2168. [PMID: 35607817 DOI: 10.1111/ajt.17102] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 04/27/2022] [Accepted: 05/22/2022] [Indexed: 01/25/2023]
Abstract
The accumulation of senescent cells is an important contributor to kidney aging, chronic renal disease, and poor outcome after kidney transplantation. Approaches to eliminate senescent cells with senolytic compounds have been proposed as novel strategies to improve marginal organs. While most existing senolytics induce senescent cell clearance by apoptosis, we observed that ferroptosis, an iron-catalyzed subtype of regulated necrosis, might serve as an alternative way to ablate senescent cells. We found that murine kidney tubular epithelial cells became sensitized to ferroptosis when turning senescent. This was linked to increased expression of pro-ferroptotic lipoxygenase-5 and reduced expression of anti-ferroptotic glutathione peroxidase 4 (GPX4). In tissue slice cultures from aged kidneys low dose application of the ferroptosis-inducer RSL3 selectively eliminated senescent cells while leaving healthy tubular cells unaffected. Similar results were seen in a transplantation model, in which RSL3 reduced the senescent cell burden of aged donor kidneys and caused a reduction of damage and inflammatory cell infiltration during the early post-transplantation period. In summary, these data reveal an increased susceptibility of senescent tubular cells to ferroptosis with the potential to be exploited for selective reduction of renal senescence in aged kidney transplants.
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Affiliation(s)
- Chieh M Liao
- Department of Nephrology and Hypertension, Medical School Hannover, Hannover, Germany
| | - Vera C Wulfmeyer
- Department of Nephrology and Hypertension, Medical School Hannover, Hannover, Germany
| | - Rongjun Chen
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Medical School Hannover, Hannover, Germany
| | - Zulrahman Erlangga
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Medical School Hannover, Hannover, Germany
| | - Julius Sinning
- Department of Nephrology and Hypertension, Medical School Hannover, Hannover, Germany
| | - Anne von Mässenhausen
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische University of Dresden, Dresden, Germany
| | - Inga Sörensen-Zender
- Department of Nephrology and Hypertension, Medical School Hannover, Hannover, Germany
| | - Kristina Beer
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische University of Dresden, Dresden, Germany
| | - Sibylle von Vietinghoff
- Department of Nephrology and Hypertension, Medical School Hannover, Hannover, Germany.,Nephrology Section, First Medical Clinic, University Clinic and Rheinische Friedrich-Wilhelms Universität Bonn, Bonn, Germany
| | - Hermann Haller
- Department of Nephrology and Hypertension, Medical School Hannover, Hannover, Germany
| | - Andreas Linkermann
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische University of Dresden, Dresden, Germany
| | - Anette Melk
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Medical School Hannover, Hannover, Germany
| | - Roland Schmitt
- Department of Nephrology and Hypertension, Medical School Hannover, Hannover, Germany
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22
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Franzin R, Stasi A, Sallustio F, Bruno S, Merlotti G, Quaglia M, Grandaliano G, Pontrelli P, Thurman JM, Camussi G, Stallone G, Cantaluppi V, Gesualdo L, Castellano G. Extracellular vesicles derived from patients with antibody-mediated rejection induce tubular senescence and endothelial to mesenchymal transition in renal cells. Am J Transplant 2022; 22:2139-2157. [PMID: 35583104 PMCID: PMC9546277 DOI: 10.1111/ajt.17097] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 01/25/2023]
Abstract
Extracellular vesicles (EV) are emerging mediators in several diseases. However, their role in the pathophysiology of antibody-mediated allograft rejection (AMR) has been poorly investigated. Here, we investigated the role of EV isolated from AMR patients in inducing tubular senescence and endothelial to mesenchymal transition (EndMT) and analyzed their miRNA expression profile. By multiplex bead flow cytometry, we characterized the immunophenotype of plasma AMR-derived EV and found a prevalent platelet and endothelial cell origin. In vitro, AMR-derived EV induced tubular senescence by upregulating SA-β Gal and CDKN1A mRNA. Furthermore, AMR-derived EV induced EndMT. The occurrence of tubular senescence and EndMT was confirmed by analysis of renal biopsies from the same AMR patients. Moreover, AMR-derived EV induced C3 gene upregulation and CFH downregulation in tubular epithelial cells, with C4d deposition on endothelial cells. Interestingly, RNase-mediated digestion of EV cargo completely abrogated tubular senescence and EndMT. By microarray analysis, miR-604, miR-515-3p, miR-let-7d-5p, and miR-590-3p were significantly upregulated in EV from AMR group compared with transplant controls, whereas miR-24-3p and miR-29a-3p were downregulated. Therefore, EV-associated miRNA could act as active player in AMR pathogenesis, unraveling potential mechanisms of accelerated graft senescence, complement activation and early fibrosis that might lead to new therapeutic intervention.
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Affiliation(s)
- Rossana Franzin
- Nephrology, Dialysis and Transplantation Unit, Department of Emergency and Organ TransplantationUniversity of Bari Aldo MoroBariItaly
| | - Alessandra Stasi
- Nephrology, Dialysis and Transplantation Unit, Department of Emergency and Organ TransplantationUniversity of Bari Aldo MoroBariItaly
| | - Fabio Sallustio
- Interdisciplinary Department of Medicine (DIM)University of Bari "Aldo Moro"BariItaly
| | - Stefania Bruno
- Department of Medical Sciences and Molecular Biotechnology CenterUniversity of TorinoTorinoItaly
| | - Guido Merlotti
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine and Center for Autoimmune and Allergic Diseases (CAAD)University of Piemonte Orientale (UPO)NovaraItaly
| | - Marco Quaglia
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine and Center for Autoimmune and Allergic Diseases (CAAD)University of Piemonte Orientale (UPO)NovaraItaly
| | - Giuseppe Grandaliano
- Department Translational Medicine and SurgeryUniversità Cattolica Sacro CuoreRomeItaly
| | - Paola Pontrelli
- Nephrology, Dialysis and Transplantation Unit, Department of Emergency and Organ TransplantationUniversity of Bari Aldo MoroBariItaly
| | - Joshua M. Thurman
- Department of MedicineUniversity of Colorado School of MedicineAuroraColoradoUSA
| | - Giovanni Camussi
- Department of Medical Sciences and Molecular Biotechnology CenterUniversity of TorinoTorinoItaly
| | - Giovanni Stallone
- Nephrology, Dialysis and Transplantation Unit, Advanced Research Center on Kidney Aging (A.R.K.A.), Department of Medical and Surgical SciencesUniversity of FoggiaFoggiaItaly
| | - Vincenzo Cantaluppi
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine and Center for Autoimmune and Allergic Diseases (CAAD)University of Piemonte Orientale (UPO)NovaraItaly
| | - Loreto Gesualdo
- Nephrology, Dialysis and Transplantation Unit, Department of Emergency and Organ TransplantationUniversity of Bari Aldo MoroBariItaly
| | - Giuseppe Castellano
- Unit of NephrologyDialysis and Renal Transplantation ‐ Fondazione IRCCS Ca’Granda Ospedale Maggiore Policlinico di MilanoMilanItaly
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23
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Zhao JL, Qiao XH, Mao JH, Liu F, Fu HD. The interaction between cellular senescence and chronic kidney disease as a therapeutic opportunity. Front Pharmacol 2022; 13:974361. [PMID: 36091755 PMCID: PMC9459105 DOI: 10.3389/fphar.2022.974361] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 08/03/2022] [Indexed: 01/10/2023] Open
Abstract
Chronic kidney disease (CKD) is an increasingly serious public health problem in the world, but the effective therapeutic approach is quite limited at present. Cellular senescence is characterized by the irreversible cell cycle arrest, senescence-associated secretory phenotype (SASP) and senescent cell anti-apoptotic pathways (SCAPs). Renal senescence shares many similarities with CKD, including etiology, mechanism, pathological change, phenotype and outcome, however, it is difficult to judge whether renal senescence is a trigger or a consequence of CKD, since there is a complex correlation between them. A variety of cellular signaling mechanisms are involved in their interactive association, which provides new potential targets for the intervention of CKD, and then extends the researches on senotherapy. Our review summarizes the common features of renal senescence and CKD, the interaction between them, the strategies of senotherapy, and the open questions for future research.
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Affiliation(s)
- Jing-Li Zhao
- Department of Nephrology, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Xiao-Hui Qiao
- Department of Pediatric Internal Medicine, Ningbo Women and Children’s Hospital, Ningbo, China
| | - Jian-Hua Mao
- Department of Nephrology, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
- *Correspondence: Jian-Hua Mao,
| | - Fei Liu
- Department of Nephrology, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Hai-Dong Fu
- Department of Nephrology, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
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24
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Osaki Y, Manolopoulou M, Ivanova AV, Vartanian N, Mignemi MP, Kern J, Chen J, Yang H, Fogo AB, Zhang M, Robinson-Cohen C, Gewin LS. Blocking cell cycle progression through CDK4/6 protects against chronic kidney disease. JCI Insight 2022; 7:e158754. [PMID: 35730565 PMCID: PMC9309053 DOI: 10.1172/jci.insight.158754] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 05/04/2022] [Indexed: 11/17/2022] Open
Abstract
Acute and chronic kidney injuries induce increased cell cycle progression in renal tubules. While increased cell cycle progression promotes repair after acute injury, the role of ongoing tubular cell cycle progression in chronic kidney disease is unknown. Two weeks after initiation of chronic kidney disease, we blocked cell cycle progression at G1/S phase by using an FDA-approved, selective inhibitor of CDK4/6. Blocking CDK4/6 improved renal function and reduced tubular injury and fibrosis in 2 murine models of chronic kidney disease. However, selective deletion of cyclin D1, which complexes with CDK4/6 to promote cell cycle progression, paradoxically increased tubular injury. Expression quantitative trait loci (eQTLs) for CCND1 (cyclin D1) and the CDK4/6 inhibitor CDKN2B were associated with eGFR in genome-wide association studies. Consistent with the preclinical studies, reduced expression of CDKN2B correlated with lower eGFR values, and higher levels of CCND1 correlated with higher eGFR values. CDK4/6 inhibition promoted tubular cell survival, in part, through a STAT3/IL-1β pathway and was dependent upon on its effects on the cell cycle. Our data challenge the paradigm that tubular cell cycle progression is beneficial in the context of chronic kidney injury. Unlike the reparative role of cell cycle progression following acute kidney injury, these data suggest that blocking cell cycle progression by inhibiting CDK4/6, but not cyclin D1, protects against chronic kidney injury.
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Affiliation(s)
- Yosuke Osaki
- Division of Nephrology and Hypertension, Department of Medicine, Washington University St. Louis, St. Louis, Missouri, USA
- Division of Nephrology and Hypertension, Department of Medicine, and
| | | | - Alla V. Ivanova
- Division of Nephrology and Hypertension, Department of Medicine, and
| | | | | | - Justin Kern
- Division of Nephrology and Hypertension, Department of Medicine, Washington University St. Louis, St. Louis, Missouri, USA
| | - Jianchun Chen
- Division of Nephrology and Hypertension, Department of Medicine, and
| | - Haichun Yang
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center (VUMC), Nashville, Tennessee, USA
| | - Agnes B. Fogo
- Division of Nephrology and Hypertension, Department of Medicine, and
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center (VUMC), Nashville, Tennessee, USA
| | - Mingzhi Zhang
- Division of Nephrology and Hypertension, Department of Medicine, and
| | | | - Leslie S. Gewin
- Division of Nephrology and Hypertension, Department of Medicine, Washington University St. Louis, St. Louis, Missouri, USA
- Division of Nephrology and Hypertension, Department of Medicine, and
- Department of Medicine, Veterans Affairs Hospital, St. Louis VA, St. Louis, Missouri, USA
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25
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Rivas M, Gupta G, Costanzo L, Ahmed H, Wyman AE, Geraghty P. Senescence: Pathogenic Driver in Chronic Obstructive Pulmonary Disease. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:817. [PMID: 35744080 PMCID: PMC9228143 DOI: 10.3390/medicina58060817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/09/2022] [Accepted: 06/15/2022] [Indexed: 01/10/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is recognized as a disease of accelerated lung aging. Over the past two decades, mounting evidence suggests an accumulation of senescent cells within the lungs of patients with COPD that contributes to dysregulated tissue repair and the secretion of multiple inflammatory proteins, termed the senescence-associated secretory phenotype (SASP). Cellular senescence in COPD is linked to telomere dysfunction, DNA damage, and oxidative stress. This review gives an overview of the mechanistic contributions and pathologic consequences of cellular senescence in COPD and discusses potential therapeutic approaches targeting senescence-associated signaling in COPD.
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Affiliation(s)
- Melissa Rivas
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Gayatri Gupta
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, New Haven, CT 06520, USA;
| | - Louis Costanzo
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Huma Ahmed
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Anne E. Wyman
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Patrick Geraghty
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
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26
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Decoy receptor 2 mediates the apoptosis-resistant phenotype of senescent renal tubular cells and accelerates renal fibrosis in diabetic nephropathy. Cell Death Dis 2022; 13:522. [PMID: 35661704 PMCID: PMC9166763 DOI: 10.1038/s41419-022-04972-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 05/18/2022] [Accepted: 05/25/2022] [Indexed: 01/21/2023]
Abstract
Apoptotic resistance leads to persistent accumulation of senescent cells and sustained expression of a senescence-associated secretory phenotype, playing an essential role in the progression of tissue fibrosis. However, whether senescent renal tubular epithelial cells (RTECs) exhibit an apoptosis-resistant phenotype, and the role of this phenotype in diabetic nephropathy (DN) remain unclear. Our previous study was the first to demonstrate that decoy receptor 2 (DcR2) is associated with apoptotic resistance in senescent RTECs and renal fibrosis. In this study, we aimed to further explore the mechanism of DcR2 in apoptosis-resistant RTECs and renal fibrosis in DN. DcR2 was co-localized with fibrotic markers (α-SMA, collagen IV, fibronectin), senescent marker p16, and antiapoptotic proteins FLIP and Bcl2 but rarely co-localized with caspase 3 or TUNEL. DcR2 overexpression promoted renal fibrosis in mice with streptozotocin (STZ)-induced DN, as evidenced by augmented Masson staining and upregulated expression of fibrotic markers. DcR2 overexpression also enhanced FLIP expression while reducing the expression of pro-apoptotic proteins (caspases 8 and 3) in senescent RTECs, resulting in apoptotic resistance. In contrast, DcR2 knockdown produced the opposite effects in vitro and in vivo. Moreover, quantitative proteomics and co-immunoprecipitation experiments demonstrated that DcR2 interacted with glucose-related protein 78 kDa (GRP78), which has been shown to promote apoptotic resistance in cancer. GRP78 exhibited co-localization with senescent and antiapoptotic markers but was rarely co-expressed with caspase 3 or TUNEL. Additionally, GRP78 knockdown decreased the apoptosis resistance of HG-induced senescent RTECs with upregulated cleaved caspase 3 and increased the percentage of apoptotic RTECs. Mechanistically, DcR2 mediated apoptotic resistance in senescent RTECs by enhancing GRP78-caspase 7 interactions and promoting Akt phosphorylation. Thus, DcR2 mediated the apoptotic resistance of senescent RTECs and renal fibrosis by interacting with GRP78, indicating that targeting the DcR2-GRP78 axis represents a promising therapeutic strategy for DN.
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27
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Hoff U, Markmann D, Thurn-Valassina D, Nieminen-Kelhä M, Erlangga Z, Schmitz J, Bräsen JH, Budde K, Melk A, Hegner B. The mTOR inhibitor Rapamycin protects from premature cellular senescence early after experimental kidney transplantation. PLoS One 2022; 17:e0266319. [PMID: 35446876 PMCID: PMC9022825 DOI: 10.1371/journal.pone.0266319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 03/18/2022] [Indexed: 01/07/2023] Open
Abstract
Interstitial fibrosis and tubular atrophy, a major cause of kidney allograft dysfunction, has been linked to premature cellular senescence. The mTOR inhibitor Rapamycin protects from senescence in experimental models, but its antiproliferative properties have raised concern early after transplantation particularly at higher doses. Its effect on senescence has not been studied in kidney transplantation, yet. Rapamycin was applied to a rat kidney transplantation model (3 mg/kg bodyweight loading dose, 1.5 mg/kg bodyweight daily dose) for 7 days. Low Rapamycin trough levels (2.1-6.8 ng/mL) prevented the accumulation of p16INK4a positive cells in tubules, interstitium, and glomerula. Expression of the cytokines MCP-1, IL-1β, and TNF-α, defining the proinflammatory senescence-associated secretory phenotype, was abrogated. Infiltration with monocytes/macrophages and CD8+ T-lymphocytes was reduced and tubular function was preserved by Rapamycin. Inhibition of mTOR was not associated with impaired structural recovery, higher glucose levels, or weight loss. mTOR inhibition with low-dose Rapamycin in the immediate posttransplant period protected from premature cellular senescence without negative effects on structural and functional recovery from preservation/reperfusion damage, glucose homeostasis, and growth in a rat kidney transplantation model. Reduced senescence might maintain the renal regenerative capacity rendering resilience to future injuries resulting in protection from interstitial fibrosis and tubular atrophy.
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Affiliation(s)
- Uwe Hoff
- Department of Nephrology and Critical Care Medicine, Charité – Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Denise Markmann
- Nieren- und Dialysezentrum Schöneberg-Tempelhof, Berlin, Germany
| | | | - Melina Nieminen-Kelhä
- Departement of Neurosurgery, Charité – Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | | | - Jessica Schmitz
- Nephropathology Unit, Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Jan Hinrich Bräsen
- Nephropathology Unit, Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Klemens Budde
- Department of Nephrology and Critical Care Medicine, Charité – Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Anette Melk
- Childrens’ Hospital, Hannover Medical School, Hannover, Germany
| | - Björn Hegner
- Department of Nephrology and Critical Care Medicine, Charité – Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Vitanas Hospital for Geriatric Medicine, Berlin, Germany
- * E-mail:
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28
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Anerillas C, Herman AB, Rossi M, Munk R, Lehrmann E, Martindale JL, Cui CY, Abdelmohsen K, De S, Gorospe M. Early SRC activation skews cell fate from apoptosis to senescence. SCIENCE ADVANCES 2022; 8:eabm0756. [PMID: 35394839 PMCID: PMC8993123 DOI: 10.1126/sciadv.abm0756] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 02/21/2022] [Indexed: 05/10/2023]
Abstract
Cells responding to DNA damage implement complex adaptive programs that often culminate in one of two distinct outcomes: apoptosis or senescence. To systematically identify factors driving each response, we analyzed human IMR-90 fibroblasts exposed to increasing doses of the genotoxin etoposide and identified SRC as a key kinase contributing early to this dichotomous decision. SRC was activated by low but not high levels of etoposide. With low DNA damage, SRC-mediated activation of p38 critically promoted expression of cell survival and senescence proteins, while SRC-mediated repression of p53 prevented a rise in proapoptotic proteins. With high DNA damage, failure to activate SRC led to elevation of p53, inhibition of p38, and apoptosis. In mice exposed to DNA damage, pharmacologic inhibition of SRC prevented the accumulation of senescent cells in tissues. We propose that inhibiting SRC could be exploited to favor apoptosis over senescence in tissues to improve health outcomes.
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Affiliation(s)
- Carlos Anerillas
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | - Allison B. Herman
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | - Martina Rossi
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | - Rachel Munk
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | - Elin Lehrmann
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | - Jennifer L. Martindale
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | - Chang-Yi Cui
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | - Kotb Abdelmohsen
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | - Supriyo De
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
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29
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Abstract
Exhaustion of T cells occurs in response to long-term exposure to self and foreign antigens. It limits T cell capacity to proliferate and produce cytokines, leading to an impaired ability to clear chronic infections or eradicate tumors. T-cell exhaustion is associated with a specific transcriptional, epigenetic, and metabolic program and characteristic cell surface markers' expression. Recent studies have begun to elucidate the role of T-cell exhaustion in transplant. Higher levels of exhausted T cells have been associated with better graft function in kidney transplant recipients. In contrast, reinvigorating exhausted T cells by immune checkpoint blockade therapies, while promoting tumor clearance, increases the risk of acute rejection. Lymphocyte depletion and high alloantigen load have been identified as major drivers of T-cell exhaustion. This could account, at least in part, for the reduced rates of acute rejection in organ transplant recipients induced with thymoglobulin and for the pro-tolerogenic effects of a large organ such as the liver. Among the drugs that are widely used for maintenance immunosuppression, calcineurin inhibitors have a contrasting inhibitory effect on exhaustion of T cells, while the influence of mTOR inhibitors is still unclear. Harnessing or encouraging the natural processes of exhaustion may provide a novel strategy to promote graft survival and transplantation tolerance.
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30
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Arabi T, Shafqat A, Sabbah BN, Fawzy NA, Shah H, Abdulkader H, Razak A, Sabbah AN, Arabi Z. Obesity-related kidney disease: Beyond hypertension and insulin-resistance. Front Endocrinol (Lausanne) 2022; 13:1095211. [PMID: 36726470 PMCID: PMC9884830 DOI: 10.3389/fendo.2022.1095211] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 12/22/2022] [Indexed: 01/19/2023] Open
Abstract
Chronic kidney disease (CKD) causes considerable morbidity, mortality, and health expenditures worldwide. Obesity is a significant risk factor for CKD development, partially explained by the high prevalence of diabetes mellitus and hypertension in obese patients. However, adipocytes also possess potent endocrine functions, secreting a myriad of cytokines and adipokines that contribute to insulin resistance and induce a chronic low-grade inflammatory state thereby damaging the kidney. CKD development itself is associated with various metabolic alterations that exacerbate adipose tissue dysfunction and insulin resistance. This adipose-renal axis is a major focus of current research, given the rising incidence of CKD and obesity. Cellular senescence is a biologic hallmark of aging, and age is another significant risk factor for obesity and CKD. An elevated senescent cell burden in adipose tissue predicts renal dysfunction in animal models, and senotherapies may alleviate these phenotypes. In this review, we discuss the direct mechanisms by which adipose tissue contributes to CKD development, emphasizing the potential clinical importance of such pathways in augmenting the care of CKD.
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Affiliation(s)
- Tarek Arabi
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- *Correspondence: Tarek Arabi,
| | - Areez Shafqat
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | | | | | - Hassan Shah
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | | | - Adhil Razak
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | | | - Ziad Arabi
- Division of Nephrology, Department of Medicine, King Abdulaziz Medical City, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
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31
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Hu MC, Moe OW. Phosphate and Cellular Senescence. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1362:55-72. [PMID: 35288873 PMCID: PMC10513121 DOI: 10.1007/978-3-030-91623-7_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Cellular senescence is one type of permeant arrest of cell growth and one of increasingly recognized contributor to aging and age-associated disease. High phosphate and low Klotho individually and synergistically lead to age-related degeneration in multiple organs. Substantial evidence supports the causality of high phosphate in cellular senescence, and potential contribution to human aging, cancer, cardiovascular, kidney, neurodegenerative, and musculoskeletal diseases. Phosphate can induce cellular senescence both by direct phosphotoxicity, and indirectly through downregulation of Klotho and upregulation of plasminogen activator inhibitor-1. Restriction of dietary phosphate intake and blockage of intestinal absorption of phosphate help suppress cellular senescence. Supplementation of Klotho protein, cellular senescence inhibitor, and removal of senescent cells with senolytic agents are potential novel strategies to attenuate phosphate-induced cellular senescence, retard aging, and ameliorate age-associated, and phosphate-induced disorders.
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Affiliation(s)
- Ming Chang Hu
- Charles and Jane Pak Center for Mineral Metabolism and Clinical Research, University of Texas Southwestern Medical Center, Dallas, TX, USA.
- Departments of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA.
| | - Orson W Moe
- Charles and Jane Pak Center for Mineral Metabolism and Clinical Research, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Departments of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Departments of Physiology, University of Texas Southwestern Medical Center, Dallas, TX, USA
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32
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Tolouee M, Hendriks KDW, Lie FF, Gartzke LP, Goris M, Hoogstra-Berends F, Bergink S, Henning RH. Cooling of Cells and Organs Confers Extensive DNA Strand Breaks Through Oxidative Stress and ATP Depletion. Cell Transplant 2022; 31:9636897221108705. [PMID: 35808831 PMCID: PMC9272479 DOI: 10.1177/09636897221108705] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Cooling at 4°C is routinely used to lower metabolism and preserve cell and tissue integrity in laboratory and clinical settings, including organ transplantation. However, cooling and rewarming produce cell damage, attributed primarily to a burst of reactive oxygen species (ROS) upon rewarming. While DNA represents a highly vulnerable target of ROS, it is unknown whether cooling and/or rewarming produces DNA damage. Here, we show that cooling alone suffices to produce extensive DNA damage in cultured primary cells and cell lines, including double-strand breaks (DSBs), as shown by comet assay and pulsed-field gel electrophoresis. Cooling-induced DSB formation is time- and temperature-dependent and coincides with an excess production of ROS, rather than a decrease in ATP levels. Immunohistochemistry confirmed that DNA damage activates the DNA damage response marked by the formation of nuclear foci of proteins involved in DSB repair, γ-H2Ax, and 53BP1. Subsequent rewarming for 24 h fails to recover ATP levels and only marginally lowers DSB amounts and nuclear foci. Precluding ROS formation by dopamine and the hydroxychromanol, Sul-121, dose-dependently reduces DSBs. Finally, a standard clinical kidney transplant procedure, using cold static storage in UW preservation solution up to 24 h in porcine kidney, lowered ATP, increased ROS, and produced increasing amounts of DSBs with recruitment of 53BP1. Given that DNA repair is erroneous by nature, cooling-inflicted DNA damage may affect cell survival, proliferation, and genomic stability, significantly impacting cellular and organ function, with relevance in stem cell and transplantation procedures.
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Affiliation(s)
- Marziyeh Tolouee
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Koen D W Hendriks
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Fia Fia Lie
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Department of Pharmacology, Medical Faculty, Universitas Tarumanagara, Jakarta, Indonesia
| | - Lucas P Gartzke
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Maaike Goris
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Femke Hoogstra-Berends
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Steven Bergink
- Department of Biomedical Sciences of Cells and Systems (BSCS), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Robert H Henning
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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33
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Chan J, Eide IA, Tannæs TM, Waldum-Grevbo B, Jenssen T, Svensson M. Marine n-3 Polyunsaturated Fatty Acids and Cellular Senescence Markers in Incident Kidney Transplant Recipients: The Omega-3 Fatty Acids in Renal Transplantation (ORENTRA) Randomized Clinical Trial. Kidney Med 2021; 3:1041-1049. [PMID: 34939013 PMCID: PMC8664741 DOI: 10.1016/j.xkme.2021.07.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Rationale & Objective Deterioration of kidney graft function is associated with accelerated cellular senescence. Marine n-3 polyunsaturated fatty acids (PUFAs) have favorable properties that may counteract cellular senescence development and damage caused by the senescence-associated secretory phenotype (SASP) secretome. Our objective was to investigate the potential effects of marine n-3 PUFA supplementation on the SASP secretome in kidney transplant recipients. Study Design Exploratory substudy of the Omega-3 Fatty Acids in Renal Transplantation trial. Setting & Participants Adult kidney transplant recipients with a functional kidney graft (defined as having an estimated glomerular filtration rate of >30 mL/min/1.73 m2) 8 weeks after engraftment were included in this study conducted in Norway. Analytical Approach The intervention consisted of 2.6 g of a marine n-3 PUFA or olive oil (placebo) daily for 44 weeks. The outcome was a predefined panel of SASP components in the plasma and urine. Results A total of 132 patients were enrolled in the Omega-3 Fatty Acids in Renal Transplantation trial, and 66 patients were allocated to receive either the study drug or placebo. The intervention with the marine n-3 PUFA was associated with reduced plasma levels of granulocyte colony-stimulating factor, interleukin 1α, macrophage inflammatory protein 1α, matrix metalloproteinase (MMP)-1, and MMP-13 compared with the intervention in the control group. Limitations Post hoc analysis. Conclusions The results suggest that marine n-3 PUFA supplementation has mitigating effects on the plasma SASP components granulocyte colony-stimulating factor, interleukin 1α, macrophage inflammatory protein 1α, MMP-1, and MMP-13 in kidney transplant recipients. Future studies with kidney transplant recipients in maintenance phase, combined with an evaluation of cellular senescence markers in kidney transplant biopsies, are needed to further elucidate the potential antisenescent effect of marine n-3 PUFAs. This trial is registered as NCT01744067.
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Affiliation(s)
- Joe Chan
- Department of Renal Medicine, Akershus University Hospital, Lørenskog.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo
| | - Ivar A Eide
- Department of Renal Medicine, Akershus University Hospital, Lørenskog.,Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo
| | - Tone M Tannæs
- Department of Clinical Molecular Biology (EpiGen), Division of Medicine, Akershus University Hospital and University of Oslo, Lørenskog
| | - Bård Waldum-Grevbo
- Department of Nephrology, Oslo University Hospital Ullevål, Oslo, Norway
| | - Trond Jenssen
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo.,Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo
| | - My Svensson
- Department of Renal Medicine, Akershus University Hospital, Lørenskog.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo
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34
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Liao CM, Luo T, von der Ohe J, de Juan Mora B, Schmitt R, Hass R. Human MSC-Derived Exosomes Reduce Cellular Senescence in Renal Epithelial Cells. Int J Mol Sci 2021; 22:13562. [PMID: 34948355 PMCID: PMC8709122 DOI: 10.3390/ijms222413562] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/10/2021] [Accepted: 12/14/2021] [Indexed: 12/23/2022] Open
Abstract
Cellular senescence of renal tubular cells is associated with chronic diseases and age-related kidney disorders. Therapies to antagonize senescence are, therefore, explored as novel approaches in nephropathy. Exosomes derived from human mesenchymal stroma-/stem-like cells (MSC) entail the transfer of multiple bioactive molecules, exhibiting profound regenerative potential in various tissues, including therapeutic effects in kidney diseases. Here, we first demonstrate that exosomes promote proliferation and reduce senescence in aged MSC cultures. For potential therapeutic perspectives in organ rejuvenation, we used MSC-derived exosomes to antagonize senescence in murine kidney primary tubular epithelial cells (PTEC). Exosome treatment efficiently reduced senescence while diminishing the transcription of senescence markers and senescence-associated secretory phenotype (SASP) factors. Concomitantly, we observed less DNA damage foci and more proliferating cells. These data provide new information regarding the therapeutic property of MSC exosomes in the development of renal senescence, suggesting a contribution to a new chapter of regenerative vehicles in senotherapy.
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Affiliation(s)
- Chieh Ming Liao
- Department of Nephrology and Hypertension, Hannover Medical School, 30625 Hannover, Germany; (C.M.L.); (B.d.J.M.); (R.S.)
| | - Tianjiao Luo
- Biochemistry and Tumor Biology Lab, Department of Gynecology and Obstetrics, Hannover Medical School, 30625 Hannover, Germany; (T.L.); (J.v.d.O.)
| | - Juliane von der Ohe
- Biochemistry and Tumor Biology Lab, Department of Gynecology and Obstetrics, Hannover Medical School, 30625 Hannover, Germany; (T.L.); (J.v.d.O.)
| | - Blanca de Juan Mora
- Department of Nephrology and Hypertension, Hannover Medical School, 30625 Hannover, Germany; (C.M.L.); (B.d.J.M.); (R.S.)
| | - Roland Schmitt
- Department of Nephrology and Hypertension, Hannover Medical School, 30625 Hannover, Germany; (C.M.L.); (B.d.J.M.); (R.S.)
| | - Ralf Hass
- Biochemistry and Tumor Biology Lab, Department of Gynecology and Obstetrics, Hannover Medical School, 30625 Hannover, Germany; (T.L.); (J.v.d.O.)
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35
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Matsunaga T, Iske J, Schroeter A, Azuma H, Zhou H, Tullius SG. The potential of Senolytics in transplantation. Mech Ageing Dev 2021; 200:111582. [PMID: 34606875 PMCID: PMC10655132 DOI: 10.1016/j.mad.2021.111582] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/29/2021] [Accepted: 10/01/2021] [Indexed: 12/19/2022]
Abstract
Older organs provide a substantial unrealized potential with the capacity to close the gap between demand and supply in organ transplantation. The potential of senolytics in improving age-related conditions has been shown in various experimental studies and early clinical trials. Those encouraging data may also be of relevance for transplantation. As age-differences between donor and recipients are not uncommon, aging may be accelerated in recipients when transplanting older organs; young organs may, at least in theory, have the potential to 'rejuvenate' old recipients. Here, we review the relevance of senescent cells and the effects of senolytics on organ quality, alloimmune responses and outcomes in solid organ transplantation. This article is part of the Special Issue - Senolytics - Edited by Joao Passos and Diana Jurk.
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Affiliation(s)
- Tomohisa Matsunaga
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Department of Urology, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, Japan
| | - Jasper Iske
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Institute of Transplant Immunology, Hannover Medical School, Hannover, Lower Saxony, Germany
| | - Andreas Schroeter
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Regenerative Medicine and Experimental Surgery, Department of General, Visceral and Transplant Surgery, Hannover Medical School, Hannover, Lower Saxony, Germany
| | - Haruhito Azuma
- Department of Urology, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, Japan
| | - Hao Zhou
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Stefan G Tullius
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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36
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Paramos-de-Carvalho D, Jacinto A, Saúde L. The right time for senescence. eLife 2021; 10:72449. [PMID: 34756162 PMCID: PMC8580479 DOI: 10.7554/elife.72449] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 10/20/2021] [Indexed: 12/11/2022] Open
Abstract
Cellular senescence is a highly complex and programmed cellular state with diverse and, at times, conflicting physiological and pathological roles across the lifespan of an organism. Initially considered a cell culture artifact, senescence evolved from an age-related circumstance to an intricate cellular defense mechanism in response to stress, implicated in a wide spectrum of biological processes like tissue remodelling, injury and cancer. The development of new tools to study senescence in vivo paved the way to uncover its functional roles in various frameworks, which are sometimes hard to reconcile. Here, we review the functional impact of senescent cells on different organismal contexts. We provide updated insights on the role of senescent cells in tissue repair and regeneration, in which they essentially modulate the levels of fibrosis and inflammation, discussing how "time" seems to be the key maestro of their effects. Finally, we overview the current clinical research landscape to target senescent cells and contemplate its repercussions on this fast-evolving field.
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Affiliation(s)
- Diogo Paramos-de-Carvalho
- Instituto de Medicina Molecular - João Lobo Antunes, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal.,CEDOC, NOVA Medical School, Faculdade de Ciências Médicas da Universidade Nova de Lisboa, Lisbon, Portugal
| | - Antonio Jacinto
- CEDOC, NOVA Medical School, Faculdade de Ciências Médicas da Universidade Nova de Lisboa, Lisbon, Portugal
| | - Leonor Saúde
- Instituto de Medicina Molecular - João Lobo Antunes e Instituto de Histologia e Biologia do Desenvolvimento, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
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37
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Tilman G, Bouzin C, Aydin S, Tamirou F, Galant C, Coulie PG, Houssiau F, Lauwerys B, Limaye N. High p16 INK4a, a marker of cellular senescence, is associated with renal injury, impairment and outcome in lupus nephritis. RMD Open 2021; 7:rmdopen-2021-001844. [PMID: 34686545 PMCID: PMC8543753 DOI: 10.1136/rmdopen-2021-001844] [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: 07/26/2021] [Accepted: 10/05/2021] [Indexed: 01/10/2023] Open
Abstract
Objectives Because a significant fraction of patients with lupus nephritis (LN) develops renal impairment, there is a need to better understand the mechanisms underlying disease progression. Here, we assessed for cellular senescence in the LN kidney, and its association with disease severity and outcome. Methods We enumerated the number of cells positive for p16INK4a protein, a marker of cellular senescence, by immunohistochemistry followed by digital quantification, on renal biopsies from 40 patients with active LN. We tested for an association of p16INK4a with renal fibrosis, CD8+ T cell infiltration, systemic disease and renal function at baseline and at 5 years. Results The presence of p16INK4a-positive cells was significantly associated with lower estimated glomerular filtration rate at baseline and 5 years post-treatment, independently of patient demographics and systemic disease parameters. It was also associated with higher baseline renal fibrosis and CD8+ T cell infiltration. Interestingly, we observed marked spatial co-distribution of glomerular p16INK4a-positive cells with CD8+ T cells. Conclusion We demonstrate, for the first time, that LN biopsies characterised by renal impairment display increased p16INK4a-positive cells, associated with higher fibrosis and CD8+ T cell infiltration. Cellular senescence may represent a kidney-intrinsic disease mechanism and potentially, a novel therapeutic target in LN.
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Affiliation(s)
- Gaëlle Tilman
- Genetics of Autoimmune Diseases and Cancer, de Duve Institute, Université catholique de Louvain, Brussels, Belgium.,Department of Rheumatology, Cliniques universitaires Saint-Luc, Brussels, Belgium
| | - Caroline Bouzin
- IREC Imaging Platform (2IP), Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Selda Aydin
- Department of Pathology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Farah Tamirou
- Department of Rheumatology, Cliniques universitaires Saint-Luc, Brussels, Belgium
| | - Christine Galant
- Department of Pathology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Pierre G Coulie
- de Duve Institute, Université catholique de Louvain, Brussels, Belgium.,Walloon Excellence in Life Sciences and Biotechnology, Brussels, Belgium
| | - Frédéric Houssiau
- Department of Rheumatology, Cliniques universitaires Saint-Luc, Brussels, Belgium.,Pôle de pathologies rhumatismales systémiques et inflammatoires, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Bernard Lauwerys
- Department of Rheumatology, Cliniques universitaires Saint-Luc, Brussels, Belgium.,Pôle de pathologies rhumatismales systémiques et inflammatoires, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Nisha Limaye
- Genetics of Autoimmune Diseases and Cancer, de Duve Institute, Université catholique de Louvain, Brussels, Belgium
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38
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Saul D, Monroe DG, Rowsey JL, Kosinsky RL, Vos SJ, Doolittle ML, Farr JN, Khosla S. Modulation of fracture healing by the transient accumulation of senescent cells. eLife 2021; 10:69958. [PMID: 34617510 PMCID: PMC8526061 DOI: 10.7554/elife.69958] [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: 05/02/2021] [Accepted: 09/29/2021] [Indexed: 12/26/2022] Open
Abstract
Senescent cells have detrimental effects across tissues with aging but may have beneficial effects on tissue repair, specifically on skin wound healing. However, the potential role of senescent cells in fracture healing has not been defined. Here, we performed an in silico analysis of public mRNAseq data and found that senescence and senescence-associated secretory phenotype (SASP) markers increased during fracture healing. We next directly established that the expression of senescence biomarkers increased markedly during murine fracture healing. We also identified cells in the fracture callus that displayed hallmarks of senescence, including distension of satellite heterochromatin and telomeric DNA damage; the specific identity of these cells, however, requires further characterization. Then, using a genetic mouse model (Cdkn2aLUC) containing a Cdkn2aInk4a-driven luciferase reporter, we demonstrated transient in vivo senescent cell accumulation during callus formation. Finally, we intermittently treated young adult mice following fracture with drugs that selectively eliminate senescent cells (‘senolytics’, Dasatinib plus Quercetin), and showed that this regimen both decreased senescence and SASP markers in the fracture callus and significantly accelerated the time course of fracture healing. Our findings thus demonstrate that senescent cells accumulate transiently in the murine fracture callus and, in contrast to the skin, their clearance does not impair but rather improves fracture healing.
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Affiliation(s)
- Dominik Saul
- Division of Endocrinology, Mayo Clinic, Rochester, United States.,Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, United States.,Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, Goettingen, Germany
| | - David G Monroe
- Division of Endocrinology, Mayo Clinic, Rochester, United States.,Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, United States.,Division of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, United States
| | - Jennifer L Rowsey
- Division of Endocrinology, Mayo Clinic, Rochester, United States.,Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, United States
| | - Robyn Laura Kosinsky
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, United States
| | - Stephanie J Vos
- Division of Endocrinology, Mayo Clinic, Rochester, United States.,Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, United States
| | - Madison L Doolittle
- Division of Endocrinology, Mayo Clinic, Rochester, United States.,Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, United States
| | - Joshua N Farr
- Division of Endocrinology, Mayo Clinic, Rochester, United States.,Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, United States.,Division of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, United States
| | - Sundeep Khosla
- Division of Endocrinology, Mayo Clinic, Rochester, United States.,Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, United States.,Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, Goettingen, Germany.,Division of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, United States
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39
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Chang-Panesso M. Acute kidney injury and aging. Pediatr Nephrol 2021; 36:2997-3006. [PMID: 33411069 PMCID: PMC8260619 DOI: 10.1007/s00467-020-04849-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 10/06/2020] [Accepted: 11/04/2020] [Indexed: 01/29/2023]
Abstract
Our aging population is growing and developing treatments for age-related diseases such as Alzheimer's and Parkinson's disease has taken on an increasing urgency and is accompanied by high public awareness. The already high and rising incidence of acute kidney injury (AKI) in the elderly, however, has received relatively little attention despite the potentially fatal outcomes associated with an episode of AKI in this age group. When discussing AKI and aging, one should consider two aspects: first, elderly patients have an increased susceptibility to an AKI episode, and second, they have decreased kidney repair after AKI given the high incidence of progression to chronic kidney disease (CKD). It is unclear if the same factors that drive the increased susceptibility to AKI could be playing a role in the decreased repair capacity or if they are totally different and unrelated. This review will examine current knowledge on the risk factors for the increased susceptibility to AKI in the elderly and will also explore potential aspects that might contribute to a decreased kidney repair response in this age group.
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40
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Gong W, Luo C, Peng F, Xiao J, Zeng Y, Yin B, Chen X, Li S, He X, Liu Y, Cao H, Xu J, Long H. Brahma-related gene-1 promotes tubular senescence and renal fibrosis through Wnt/β-catenin/autophagy axis. Clin Sci (Lond) 2021; 135:1873-1895. [PMID: 34318888 PMCID: PMC8358963 DOI: 10.1042/cs20210447] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/09/2021] [Accepted: 07/28/2021] [Indexed: 02/06/2023]
Abstract
Although accelerated cellular senescence is closely related to the progression of chronic kidney disease (CKD) and renal fibrosis, the underlying mechanisms remain largely unknown. Here, we reported that tubular aberrant expression of Brahma-related gene 1 (BRG1), an enzymatic subunit of the SWItch/Sucrose Non-Fermentable complex, is critically involved in tubular senescence and renal fibrosis. BRG1 was significantly up-regulated in the kidneys, predominantly in tubular epithelial cells, of both CKD patients and unilateral ureteral obstruction (UUO) mice. In vivo, shRNA-mediated knockdown of BRG1 significantly ameliorated renal fibrosis, improved tubular senescence, and inhibited UUO-induced activation of Wnt/β-catenin pathway. In mouse renal tubular epithelial cells (mTECs) and primary renal tubular cells, inhibition of BRG1 diminished transforming growth factor-β1 (TGF-β1)-induced cellular senescence and fibrotic responses. Correspondingly, ectopic expression of BRG1 in mTECs or normal kidneys increased p16INK4a, p19ARF, and p21 expression and senescence-associated β-galactosidase (SA-β-gal) activity, indicating accelerated tubular senescence. Additionally, BRG1-mediated pro-fibrotic responses were largely abolished by small interfering RNA (siRNA)-mediated p16INK4a silencing in vitro or continuous senolytic treatment with ABT-263 in vivo. Moreover, BRG1 activated the Wnt/β-catenin pathway, which further inhibited autophagy. Pharmacologic inhibition of the Wnt/β-catenin pathway (ICG-001) or rapamycin (RAPA)-mediated activation of autophagy effectively blocked BRG1-induced tubular senescence and fibrotic responses, while bafilomycin A1 (Baf A1)-mediated inhibition of autophagy abolished the effects of ICG-001. Further, BRG1 altered the secretome of senescent tubular cells, which promoted proliferation and activation of fibroblasts. Taken together, our results indicate that BRG1 induces tubular senescence by inhibiting autophagy via the Wnt/β-catenin pathway, which ultimately contributes to the development of renal fibrosis.
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Affiliation(s)
- Wangqiu Gong
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Congwei Luo
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Fenfen Peng
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Jing Xiao
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yiqun Zeng
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Bohui Yin
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Xiaowen Chen
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Shuting Li
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Xiaoyang He
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yanxia Liu
- Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Huihui Cao
- Traditional Chinese Pharmacological Laboratory, Third Level Research Laboratory of State Administration of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Jiangping Xu
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Haibo Long
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
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41
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Senescence and senolytics in cardiovascular disease: Promise and potential pitfalls. Mech Ageing Dev 2021; 198:111540. [PMID: 34237321 PMCID: PMC8387860 DOI: 10.1016/j.mad.2021.111540] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/28/2021] [Accepted: 07/04/2021] [Indexed: 02/08/2023]
Abstract
Ageing is the biggest risk factor for impaired cardiovascular health, with cardiovascular disease being the cause of death in 40 % of individuals over 65 years old. Ageing is associated with an increased prevalence of atherosclerosis, coronary artery stenosis and subsequent myocardial infarction, thoracic aortic aneurysm, valvular heart disease and heart failure. An accumulation of senescence and increased inflammation, caused by the senescence-associated secretory phenotype, have been implicated in the aetiology and progression of these age-associated diseases. Recently it has been demonstrated that compounds targeting components of anti-apoptotic pathways expressed by senescent cells can preferentially induce senescence cells to apoptosis and have been termed senolytics. In this review, we discuss the evidence demonstrating that senescence contributes to cardiovascular disease, with a particular focus on studies that indicate the promise of senotherapy. Based on these data we suggest novel indications for senolytics as a treatment of cardiovascular diseases which have yet to be studied in the context of senotherapy. Finally, while the potential benefits are encouraging, several complications may result from senolytic treatment. We, therefore, consider these challenges in the context of the cardiovascular system.
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Higgins CE, Tang J, Higgins SP, Gifford CC, Mian BM, Jones DM, Zhang W, Costello A, Conti DJ, Samarakoon R, Higgins PJ. The Genomic Response to TGF-β1 Dictates Failed Repair and Progression of Fibrotic Disease in the Obstructed Kidney. Front Cell Dev Biol 2021; 9:678524. [PMID: 34277620 PMCID: PMC8284093 DOI: 10.3389/fcell.2021.678524] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 06/07/2021] [Indexed: 12/14/2022] Open
Abstract
Tubulointerstitial fibrosis is a common and diagnostic hallmark of a spectrum of chronic renal disorders. While the etiology varies as to the causative nature of the underlying pathology, persistent TGF-β1 signaling drives the relentless progression of renal fibrotic disease. TGF-β1 orchestrates the multifaceted program of kidney fibrogenesis involving proximal tubular dysfunction, failed epithelial recovery or re-differentiation, capillary collapse and subsequent interstitial fibrosis eventually leading to chronic and ultimately end-stage disease. An increasing complement of non-canonical elements function as co-factors in TGF-β1 signaling. p53 is a particularly prominent transcriptional co-regulator of several TGF-β1 fibrotic-response genes by complexing with TGF-β1 receptor-activated SMADs. This cooperative p53/TGF-β1 genomic cluster includes genes involved in cellular proliferative control, survival, apoptosis, senescence, and ECM remodeling. While the molecular basis for this co-dependency remains to be determined, a subset of TGF-β1-regulated genes possess both p53- and SMAD-binding motifs. Increases in p53 expression and phosphorylation, moreover, are evident in various forms of renal injury as well as kidney allograft rejection. Targeted reduction of p53 levels by pharmacologic and genetic approaches attenuates expression of the involved genes and mitigates the fibrotic response confirming a key role for p53 in renal disorders. This review focuses on mechanisms underlying TGF-β1-induced renal fibrosis largely in the context of ureteral obstruction, which mimics the pathophysiology of pediatric unilateral ureteropelvic junction obstruction, and the role of p53 as a transcriptional regulator within the TGF-β1 repertoire of fibrosis-promoting genes.
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Affiliation(s)
- Craig E. Higgins
- Department of Regenerative and Cancer Cell Biology, Albany Medical College, Albany, NY, United States
| | - Jiaqi Tang
- Department of Regenerative and Cancer Cell Biology, Albany Medical College, Albany, NY, United States
| | - Stephen P. Higgins
- Department of Regenerative and Cancer Cell Biology, Albany Medical College, Albany, NY, United States
| | - Cody C. Gifford
- Department of Regenerative and Cancer Cell Biology, Albany Medical College, Albany, NY, United States
| | - Badar M. Mian
- The Urological Institute of Northeastern New York, Albany, NY, United States
- Division of Urology, Department of Surgery, Albany Medical College, Albany, NY, United States
| | - David M. Jones
- Department of Pathology and Laboratory Medicine, Albany Medical College, Albany, NY, United States
| | - Wenzheng Zhang
- Department of Regenerative and Cancer Cell Biology, Albany Medical College, Albany, NY, United States
| | - Angelica Costello
- Department of Regenerative and Cancer Cell Biology, Albany Medical College, Albany, NY, United States
| | - David J. Conti
- Division of Transplantation Surgery, Department of Surgery, Albany Medical College, Albany, NY, United States
| | - Rohan Samarakoon
- Department of Regenerative and Cancer Cell Biology, Albany Medical College, Albany, NY, United States
| | - Paul J. Higgins
- Department of Regenerative and Cancer Cell Biology, Albany Medical College, Albany, NY, United States
- The Urological Institute of Northeastern New York, Albany, NY, United States
- Division of Urology, Department of Surgery, Albany Medical College, Albany, NY, United States
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Antelo-Iglesias L, Picallos-Rabina P, Estévez-Souto V, Da Silva-Álvarez S, Collado M. The role of cellular senescence in tissue repair and regeneration. Mech Ageing Dev 2021; 198:111528. [PMID: 34181964 DOI: 10.1016/j.mad.2021.111528] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 06/01/2021] [Accepted: 06/21/2021] [Indexed: 01/10/2023]
Abstract
The capacity to regenerate damaged or lost tissue varies widely along the animal kingdom and generally declines with aging of the organism. The gradual accumulation of senescent cells in tissues during aging has been causally involved in their reduced function at old age, and to be at the basis of age-related diseases. Recently, however, cellular senescence has been shown to play a positive role as a morphogenetic force modelling and promoting tissue development during embryogenesis, and to be responsible for tissue wound healing and repair. Work done on organismal models ranging from fish and amphibians, with extraordinary regenerative capacities, to mammals, with a more restricted regenerative potential, is shedding light on a novel and unexpected function of cellular senescence. In this review, we will analyze the senescence phenotype and how could it be contributing or restricting tissue regeneration.
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Affiliation(s)
- Lucía Antelo-Iglesias
- Laboratorio de Células Madre en Cáncer y Envejecimiento, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Xerencia de Xestión Integrada de Santiago (XXIS/SERGAS), Santiago de Compostela, Spain
| | - Pilar Picallos-Rabina
- Laboratorio de Células Madre en Cáncer y Envejecimiento, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Xerencia de Xestión Integrada de Santiago (XXIS/SERGAS), Santiago de Compostela, Spain
| | - Valentín Estévez-Souto
- Laboratorio de Células Madre en Cáncer y Envejecimiento, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Xerencia de Xestión Integrada de Santiago (XXIS/SERGAS), Santiago de Compostela, Spain
| | - Sabela Da Silva-Álvarez
- Laboratorio de Células Madre en Cáncer y Envejecimiento, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Xerencia de Xestión Integrada de Santiago (XXIS/SERGAS), Santiago de Compostela, Spain.
| | - Manuel Collado
- Laboratorio de Células Madre en Cáncer y Envejecimiento, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Xerencia de Xestión Integrada de Santiago (XXIS/SERGAS), Santiago de Compostela, Spain.
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Pils V, Terlecki-Zaniewicz L, Schosserer M, Grillari J, Lämmermann I. The role of lipid-based signalling in wound healing and senescence. Mech Ageing Dev 2021; 198:111527. [PMID: 34174292 DOI: 10.1016/j.mad.2021.111527] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 05/28/2021] [Accepted: 06/17/2021] [Indexed: 02/07/2023]
Abstract
Lipid-based signalling modulates several cellular processes and intercellular communication during wound healing and tissue regeneration. Bioactive lipids include but are not limited to the diverse group of eicosanoids, phospholipids, and extracellular vesicles and mediate the attraction of immune cells, initiation of inflammatory responses, and their resolution. In aged individuals, wound healing and tissue regeneration are greatly impaired, resulting in a delayed healing process and non-healing wounds. Senescent cells accumulate with age in vivo, preferably at sites implicated in age-associated pathologies and their elimination was shown to alleviate many age-associated diseases and disorders. In contrast to these findings, the transient presence of senescent cells in the process of wound healing exerts beneficial effects and limits fibrosis. Hence, clearance of senescent cells during wound healing was repeatedly shown to delay wound closure in vivo. Recent findings established a dysregulated synthesis of eicosanoids, phospholipids and extracellular vesicles as part of the senescent phenotype. This intriguing connection between cellular senescence, lipid-based signalling, and the process of wound healing and tissue regeneration prompts us to compile the current knowledge in this review and propose future directions for investigation.
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Affiliation(s)
- Vera Pils
- Christian Doppler Laboratory for the Biotechnology of Skin Aging, Institute of Molecular Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Lucia Terlecki-Zaniewicz
- Christian Doppler Laboratory for the Biotechnology of Skin Aging, Institute of Molecular Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Markus Schosserer
- Christian Doppler Laboratory for Skin Multimodal Imaging of Aging and Senescence - SKINMAGINE, Institute of Molecular Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Austria
| | - Johannes Grillari
- Christian Doppler Laboratory for the Biotechnology of Skin Aging, Institute of Molecular Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria; Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Linz and Vienna, Austria; Austrian Cluster for Tissue Regeneration, Austria
| | - Ingo Lämmermann
- Christian Doppler Laboratory for the Biotechnology of Skin Aging, Institute of Molecular Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.
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45
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Campbell RA, Docherty MH, Ferenbach DA, Mylonas KJ. The Role of Ageing and Parenchymal Senescence on Macrophage Function and Fibrosis. Front Immunol 2021; 12:700790. [PMID: 34220864 PMCID: PMC8248495 DOI: 10.3389/fimmu.2021.700790] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 06/07/2021] [Indexed: 02/06/2023] Open
Abstract
In this review, we examine senescent cells and the overlap between the direct biological impact of senescence and the indirect impact senescence has via its effects on other cell types, particularly the macrophage. The canonical roles of macrophages in cell clearance and in other physiological functions are discussed with reference to their functions in diseases of the kidney and other organs. We also explore the translational potential of different approaches based around the macrophage in future interventions to target senescent cells, with the goal of preventing or reversing pathologies driven or contributed to in part by senescent cell load in vivo.
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Affiliation(s)
- Ross A. Campbell
- Centre for Inflammation Research, Queen’s Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Marie-Helena Docherty
- Centre for Inflammation Research, Queen’s Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
- Department of Renal Medicine, Royal Infirmary of Edinburgh, Edinburgh, United Kingdom
| | - David A. Ferenbach
- Centre for Inflammation Research, Queen’s Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
- Department of Renal Medicine, Royal Infirmary of Edinburgh, Edinburgh, United Kingdom
| | - Katie J. Mylonas
- Centre for Inflammation Research, Queen’s Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
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46
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Li C, Shen Y, Huang L, Liu C, Wang J. Senolytic therapy ameliorates renal fibrosis postacute kidney injury by alleviating renal senescence. FASEB J 2021; 35:e21229. [PMID: 33368613 DOI: 10.1096/fj.202001855rr] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 11/06/2020] [Accepted: 11/11/2020] [Indexed: 11/11/2022]
Abstract
Acute kidney injury (AKI) is a common clinical problem, and patients who survive AKI have a high risk of chronic kidney disease (CKD). The mechanism of CKD post-AKI, characterized by progressive renal fibrosis, is still unclear. Maladaptive tubular epithelial cells (TECs) after AKI are considered a leading cause of renal fibrosis post-AKI. TECs under maladaptive repair manifest characteristics of senescence. Removing senescent TECs by genetic ablation has been proven effective in reducing renal fibrosis. Senolytics, which eliminate senescent cells by pharmacological intervention, have been studied in a series of degenerative diseases. To our knowledge, the effects of senolytics on renal fibrosis post-AKI have not been verified before. Here, we confirmed renal senescence in the unilateral ischemia/reperfusion injury murine model. Senescent TECs could activate fibroblasts and senolytics specifically induced apoptosis of senescent TECs. Next, we demonstrated that senolytics could reduce renal senescence and ameliorate renal fibrosis in both unilateral renal ischemia/reperfusion injury and multiple-cisplatin-treatment murine models. Our results indicate senescent TECs as a vital factor in renal fibrosis progression, and senolytic therapy might be promising for treating CKD post-AKI.
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Affiliation(s)
- Caizhen Li
- National Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Yanting Shen
- National Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Liuwei Huang
- National Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Chongbin Liu
- National Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Jun Wang
- National Clinical Research Center of Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, P.R. China
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47
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Induction of Stress-Induced Renal Cellular Senescence In Vitro: Impact of Mouse Strain Genetic Diversity. Cells 2021; 10:cells10061437. [PMID: 34201242 PMCID: PMC8229707 DOI: 10.3390/cells10061437] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 05/28/2021] [Accepted: 06/04/2021] [Indexed: 01/10/2023] Open
Abstract
Cellular senescence, a stress-induced state of irreversible cell cycle arrest, is associated with organ dysfunction and age-related disease. While immortalized cell lines bypass key pathways of senescence, important mechanisms of cellular senescence can be studied in primary cells. Primary tubular epithelial cells (PTEC) derived from mouse kidney are highly susceptible to develop cellular senescence, providing a valuable tool for studying such mechanisms. Here, we tested whether genetic differences between mouse inbred strains have an impact on the development of stress-induced cellular senescence in cultured PTEC. Kidneys from 129S1, B6, NOD, NZO, CAST, and WSB mice were used to isolate PTEC. Cells were monitored for expression of typical senescence markers (SA-β-galactosidase, γ-H2AX+/Ki67−, expression levels of CDKN2A, lamin B1, IL-1a/b, IL-6, G/M-CSF, IFN-g, and KC) at 3 and 10 days after pro-senescent gamma irradiation. Clear differences were found between PTEC from different strains with the highest senescence values for PTEC from WSB mice and the lowest for PTEC from 129S1 mice. PTEC from B6 mice, the most commonly used inbred strain in senescence research, had a senescence score lower than PTEC from WSB and CAST mice but higher than PTEC from NZO and 129S1 mice. These data provide new information regarding the influence of genetic diversity and help explain heterogeneity in existing data. The observed differences should be considered when designing new experiments and will be the basis for further investigation with the goal of identifying candidate loci driving pro- or anti-senescent pathways.
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48
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Mylonas KJ, O'Sullivan ED, Humphries D, Baird DP, Docherty MH, Neely SA, Krimpenfort PJ, Melk A, Schmitt R, Ferreira-Gonzalez S, Forbes SJ, Hughes J, Ferenbach DA. Cellular senescence inhibits renal regeneration after injury in mice, with senolytic treatment promoting repair. Sci Transl Med 2021; 13:eabb0203. [PMID: 34011625 DOI: 10.1126/scitranslmed.abb0203] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 12/01/2020] [Accepted: 04/30/2021] [Indexed: 12/19/2022]
Abstract
The ability of the kidney to regenerate successfully after injury is lost with advancing age, chronic kidney disease, and after irradiation. The factors responsible for this reduced regenerative capacity remain incompletely understood, with increasing interest in a potential role for cellular senescence in determining outcomes after injury. Here, we demonstrated correlations between senescent cell load and functional loss in human aging and chronic kidney diseases including radiation nephropathy. We dissected the causative role of senescence in the augmented fibrosis occurring after injury in aged and irradiated murine kidneys. In vitro studies on human proximal tubular epithelial cells and in vivo mouse studies demonstrated that senescent renal epithelial cells produced multiple components of the senescence-associated secretory phenotype including transforming growth factor β1, induced fibrosis, and inhibited tubular proliferative capacity after injury. Treatment of aged and irradiated mice with the B cell lymphoma 2/w/xL inhibitor ABT-263 reduced senescent cell numbers and restored a regenerative phenotype in the kidneys with increased tubular proliferation, improved function, and reduced fibrosis after subsequent ischemia-reperfusion injury. Senescent cells are key determinants of renal regenerative capacity in mice and represent emerging treatment targets to protect aging and vulnerable kidneys in man.
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Affiliation(s)
- Katie J Mylonas
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Eoin D O'Sullivan
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Duncan Humphries
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - David P Baird
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
- Royal Infirmary of Edinburgh, Edinburgh EH16 4SA, UK
| | - Marie-Helena Docherty
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Sarah A Neely
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh EH16 4UU, UK
| | | | - Anette Melk
- Hannover Medical School, 30625 Hannover, Germany
| | | | | | - Stuart J Forbes
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh EH16 4UU, UK
| | - Jeremy Hughes
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - David A Ferenbach
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK.
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49
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Functional heterogeneity in senescence. Biochem Soc Trans 2021; 48:765-773. [PMID: 32369550 PMCID: PMC7329341 DOI: 10.1042/bst20190109] [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: 01/21/2020] [Revised: 04/06/2020] [Accepted: 04/08/2020] [Indexed: 12/22/2022]
Abstract
Senescence is a tumour suppressor mechanism which is cell-intrinsically activated in the context of cellular stress. Senescence can further be propagated to neighbouring cells, a process called secondary senescence induction. Secondary senescence was initially shown as a paracrine response to the secretion of cytokines from primary senescent cells. More recently, juxtacrine Notch signalling has been implicated in mediating secondary senescence induction. Primary and secondary senescent induction results in distinct transcriptional outcomes. In addition, cell type and the stimulus in which senescence is induced can lead to variations in the phenotype of the senescence response. It is unclear whether heterogeneous senescent end-points are associated with distinct cellular function in situ, presenting functional heterogeneity. Thus, understanding senescence heterogeneity could prove to be important when devising ways of targeting senescent cells by senolytics, senostatics or senogenics. In this review, we discuss a role for functional heterogeneity in senescence in tissue- and cell-type specific manners, highlighting potential differences in senescence outcomes of primary and secondary senescence.
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50
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Abstract
Interstitial fibrosis with tubule atrophy (IF/TA) is the response to virtually any sustained kidney injury and correlates inversely with kidney function and allograft survival. IF/TA is driven by various pathways that include hypoxia, renin-angiotensin-aldosterone system, transforming growth factor (TGF)-β signaling, cellular rejection, inflammation and others. In this review we will focus on key pathways in the progress of renal fibrosis, diagnosis and therapy of allograft fibrosis. This review discusses the role and origin of myofibroblasts as matrix producing cells and therapeutic targets in renal fibrosis with a particular focus on renal allografts. We summarize current trends to use multi-omic approaches to identify new biomarkers for IF/TA detection and to predict allograft survival. Furthermore, we review current imaging strategies that might help to identify and follow-up IF/TA complementary or as alternative to invasive biopsies. We further discuss current clinical trials and therapeutic strategies to treat kidney fibrosis.Supplemental Visual Abstract; http://links.lww.com/TP/C141.
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