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Kirchner VA, Badshah JS, Kyun Hong S, Martinez O, Pruett TL, Niedernhofer LJ. Effect of Cellular Senescence in Disease Progression and Transplantation: Immune Cells and Solid Organs. Transplantation 2024; 108:1509-1523. [PMID: 37953486 PMCID: PMC11089077 DOI: 10.1097/tp.0000000000004838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Aging of the world population significantly impacts healthcare globally and specifically, the field of transplantation. Together with end-organ dysfunction and prolonged immunosuppression, age increases the frequency of comorbid chronic diseases in transplant candidates and recipients, contributing to inferior outcomes. Although the frequency of death increases with age, limited use of organs from older deceased donors reflects the concerns about organ durability and inadequate function. Cellular senescence (CS) is a hallmark of aging, which occurs in response to a myriad of cellular stressors, leading to activation of signaling cascades that stably arrest cell cycle progression to prevent tumorigenesis. In aging and chronic conditions, senescent cells accumulate as the immune system's ability to clear them wanes, which is causally implicated in the progression of chronic diseases, immune dysfunction, organ damage, decreased regenerative capacity, and aging itself. The intimate interplay between senescent cells, their proinflammatory secretome, and immune cells results in a positive feedback loop, propagating chronic sterile inflammation and the spread of CS. Hence, senescent cells in organs from older donors trigger the recipient's alloimmune response, resulting in the increased risk of graft loss. Eliminating senescent cells or attenuating their inflammatory phenotype is a novel, potential therapeutic target to improve transplant outcomes and expand utilization of organs from older donors. This review focuses on the current knowledge about the impact of CS on circulating immune cells in the context of organ damage and disease progression, discusses the impact of CS on abdominal solid organs that are commonly transplanted, and reviews emerging therapies that target CS.
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Affiliation(s)
- Varvara A. Kirchner
- Division of Abdominal Transplantation, Department of Surgery, Stanford University, Stanford, CA
| | - Joshua S. Badshah
- Division of Abdominal Transplantation, Department of Surgery, Stanford University, Stanford, CA
| | - Suk Kyun Hong
- Division of Abdominal Transplantation, Department of Surgery, Stanford University, Stanford, CA
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Olivia Martinez
- Division of Abdominal Transplantation, Department of Surgery, Stanford University, Stanford, CA
| | - Timothy L. Pruett
- Division of Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN
| | - Laura J. Niedernhofer
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota Medical School, Minneapolis, MN
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2
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He K, Zhou D, Pu Z, Chen S, Shen Y, Zhao S, Qian X, Hu Q, Wu X, Xie Z, Xu X. Cellular Senescence in Acute Liver Injury: What Happens to the Young Liver? Aging Dis 2024:AD.2024.0586. [PMID: 38913043 DOI: 10.14336/ad.2024.0586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 06/10/2024] [Indexed: 06/25/2024] Open
Abstract
Cellular senescence, characterized by irreversible cell cycle arrest, not only exists in age-related physiological states, but has been found to exist in various diseases. It plays a crucial role in both physiological and pathological processes and has become a trending topic in global research in recent years. Acute liver injury (ALI) has a high incidence worldwide, and recent studies have shown that hepatic senescence can be induced following ALI. Therefore, we reviewed the significance of cellular senescence in ALI. To minimize the potential confounding effects of aging on cellular senescence and ALI outcomes, we selected studies involving young individuals to identify the characteristics of senescent cells, the value of cellular senescence in liver repair, its regulation mechanisms in ALI, its potential as a biomarker for ALI, the prospect of treatment, and future research directions.
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3
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Umbaugh DS, Nguyen NT, Smith SH, Ramachandran A, Jaeschke H. The p21 + perinecrotic hepatocytes produce the chemokine CXCL14 after a severe acetaminophen overdose promoting hepatocyte injury and delaying regeneration. Toxicology 2024; 504:153804. [PMID: 38614205 PMCID: PMC11108579 DOI: 10.1016/j.tox.2024.153804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/30/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024]
Abstract
Fifty percent of all acute liver failure (ALF) cases in the United States are due to acetaminophen (APAP) overdose. Assessment of canonical features of liver injury, such as plasma alanine aminotransferase activities are poor predictors of acute liver failure (ALF), suggesting the involvement of additional mechanisms independent of hepatocyte death. Previous work demonstrated a severe overdose of APAP results in impaired regeneration, the induction of senescence by p21, and increased mortality. We hypothesized that a discrete population of p21+ hepatocytes acquired a secretory phenotype that directly impedes liver recovery after a severe APAP overdose. Leveraging in-house human APAP explant liver and publicly available single-nuclei RNAseq data, we identified a subpopulation of p21+ hepatocytes enriched in a unique secretome of factors, such as CXCL14. Spatial transcriptomics in the mouse model of APAP overdose confirmed the presence of a p21+ hepatocyte population that directly surrounded the necrotic areas. In both male and female mice, we found a dose-dependent induction of p21 and persistent circulating levels of the p21-specific constituent, CXCL14, in the plasma after a severe APAP overdose. In parallel experiments, we targeted either the putative senescent hepatocytes with the senolytic drugs, dasatinib and quercetin, or CXCL14 with a neutralizing antibody. We found that targeting CXCL14 greatly enhanced liver recovery after APAP-induced liver injury, while targeting senescent hepatocytes had no effect. These data support the conclusion that the sustained induction of p21 in hepatocytes with persistent CXCL14 secretion are critical mechanistic events leading to ALF in mice and human patients.
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Affiliation(s)
- David S Umbaugh
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS, USA
| | - Nga T Nguyen
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS, USA
| | - Sawyer H Smith
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS, USA
| | - Anup Ramachandran
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS, USA
| | - Hartmut Jaeschke
- Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS, USA.
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4
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Fan H, Qiao Z, Li J, Shang G, Shang C, Chen S, Leng Z, Su H, Kou H, Liu H. Recent advances in senescence-associated secretory phenotype and osteoporosis. Heliyon 2024; 10:e25538. [PMID: 38375248 PMCID: PMC10875379 DOI: 10.1016/j.heliyon.2024.e25538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 01/29/2024] [Accepted: 01/29/2024] [Indexed: 02/21/2024] Open
Abstract
The worldwide elderly population is on the rise, and aging is a major osteoporosis risk factor. Senescent cells accumulation can have a detrimental effect the body as we age. The senescence-associated secretory phenotype (SASP), an essential cellular senescence hallmark, is an important mechanism connecting cellular senescence to osteoporosis. This review describes in detail the characteristics of SASPs and their regulatory agencies, and shed fresh light on how SASPs from different senescent cells contribute to osteoporosis development. Furthermore, we summarized various innovative therapy techniques that target SASPs to lower the burden of osteoporosis in the elderly and discussed the potential challenges of SASPs-based therapy for osteoporosis as a new clinical trial.
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Affiliation(s)
- Haonan Fan
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Zhi Qiao
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Jitian Li
- Henan Luoyang Orthopedic Hospital (Henan Provincial Orthopedic Hospital)/Henan Institute of Orthopedic and Traumatology, Luoyang 471000, China
| | - Guowei Shang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Chunfeng Shang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Songfeng Chen
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Zikuan Leng
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Huifang Su
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Hongwei Kou
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Hongjian Liu
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
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Rad AN, Grillari J. Current senolytics: Mode of action, efficacy and limitations, and their future. Mech Ageing Dev 2024; 217:111888. [PMID: 38040344 DOI: 10.1016/j.mad.2023.111888] [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: 08/14/2023] [Revised: 10/11/2023] [Accepted: 11/21/2023] [Indexed: 12/03/2023]
Abstract
Senescence is a cellular state characterized by its near-permanent halted cell cycle and distinct secretory phenotype. Although senescent cells have a variety of beneficial physiological functions, progressive accumulation of these cells due to aging or other conditions has been widely shown to provoke deleterious effects on the normal functioning of the same or higher-level biological organizations. Recently, erasing senescent cells in vivo, using senolytics, could ameliorate diseases identified with an elevated number of senescent cells. Since then, researchers have struggled to develop new senolytics each with different selectivity and potency. In this review, we have gathered and classified the proposed senolytics and discussed their mechanisms of action. Moreover, we highlight the heterogeneity of senolytics regarding their effect sizes, and cell type specificity as well as comment on the exploited strategies to improve these features. Finally, we suggest some prospective routes for the novel methods for ablation of senescent cells.
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Affiliation(s)
- Amirhossein Nayeri Rad
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, P.O. Box 71468-64685, Shiraz, Iran.
| | - Johannes Grillari
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Donaueschingenstraße 13, 1200 Vienna, Austria; Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria; Institute of Molecular Biotechnology, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, 1190 Vienna, Austria.
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Fan Z, Tong Y, Yang Z, Wang S, Huang T, Yang D, Ni Q, Zhang M, Li D, Yang M, Fan X. Inhibitor PF-04691502 works as a senolytic to regulate cellular senescence. Exp Gerontol 2024; 186:112359. [PMID: 38184267 DOI: 10.1016/j.exger.2024.112359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/24/2023] [Accepted: 01/02/2024] [Indexed: 01/08/2024]
Abstract
Aging is a gradual process of natural change that occurs after reaching sexual maturity. It is also a known risk factor for many chronic diseases. Recent research has shown that senolytics can extend the lifespans and health spans of model organisms, and they have also been demonstrated effective in treating age-related diseases. In this study, we conducted a high-throughput screening of 156 drugs that targeted the PI3K/AKT/mTOR pathway to identify potential senolytic medications. Among these drugs, PF-04691502 was selected for further investigation to understand its molecular mechanism of action. Our findings indicate that PF-04691502, a dual inhibitor of PI3K/AKT and mTOR, specifically eliminates senescent cells. It reduces the expression levels of key markers of cellular senescence, such as SA-β-Gal, senescence-associated secretory phenotypes (SASPs) and p16INK4a. Additionally, PF-04691502 inhibits the phosphorylation of S6K and AKT, leading to the apoptosis of senescent cells. These results suggest that PF-04691502 holds promise as a new senolytic drug. This paper provides important insights into the potential application of PF-04691502 in the study of cell senescence.
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Affiliation(s)
- Ziqiang Fan
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Yingdong Tong
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Ziyue Yang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Shuai Wang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Tiantian Huang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Deying Yang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Qingyong Ni
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Mingwang Zhang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Diyan Li
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, 610106 Chengdu, China
| | - Mingyao Yang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China.
| | - Xiaolan Fan
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, China.
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Marcozzi S, Bigossi G, Giuliani ME, Giacconi R, Piacenza F, Cardelli M, Brunetti D, Segala A, Valerio A, Nisoli E, Lattanzio F, Provinciali M, Malavolta M. Cellular senescence and frailty: a comprehensive insight into the causal links. GeroScience 2023; 45:3267-3305. [PMID: 37792158 PMCID: PMC10643740 DOI: 10.1007/s11357-023-00960-w] [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: 08/03/2023] [Accepted: 09/24/2023] [Indexed: 10/05/2023] Open
Abstract
Senescent cells may have a prominent role in driving inflammation and frailty. The impact of cellular senescence on frailty varies depending on the assessment tool used, as it is influenced by the criteria or items predominantly affected by senescent cells and the varying weights assigned to these items across different health domains. To address this challenge, we undertook a thorough review of all available studies involving gain- or loss-of-function experiments as well as interventions targeting senescent cells, focusing our attention on those studies that examined outcomes based on the individual frailty phenotype criteria or specific items used to calculate two humans (35 and 70 items) and one mouse (31 items) frailty indexes. Based on the calculation of a simple "evidence score," we found that the burden of senescent cells related to musculoskeletal and cerebral health has the strongest causal link to frailty. We deem that insight into these mechanisms may not only contribute to clarifying the role of cellular senescence in frailty but could additionally provide multiple therapeutic opportunities to help the future development of a desirable personalized therapy in these extremely heterogeneous patients.
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Affiliation(s)
- Serena Marcozzi
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
- Scientific Direction, IRCCS INRCA, 60124, Ancona, Italy
| | - Giorgia Bigossi
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Maria Elisa Giuliani
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Robertina Giacconi
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Francesco Piacenza
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Maurizio Cardelli
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Dario Brunetti
- Medical Genetics and Neurogenetics Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20126, Milan, Italy
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20129, Milan, Italy
| | - Agnese Segala
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa, 11, 25123, Brescia, Italy
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa, 11, 25123, Brescia, Italy
| | - Enzo Nisoli
- Center for Study and Research On Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Vanvitelli, 32, 20129, Milan, Italy
| | | | - Mauro Provinciali
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Marco Malavolta
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy.
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Niklander SE, Aránguiz P, Faunes F, Martínez-Flores R. Aging and oral squamous cell carcinoma development: the role of cellular senescence. FRONTIERS IN ORAL HEALTH 2023; 4:1285276. [PMID: 37904749 PMCID: PMC10613501 DOI: 10.3389/froh.2023.1285276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 09/29/2023] [Indexed: 11/01/2023] Open
Abstract
The gradual accumulation and inadequate renewal of senescent cells over time drive organismal aging. Senescent cells undergo altered gene expression and release inflammatory mediators collectively termed the senescence-associated secretory phenotype (SASP), which significantly contributes to a spectrum of age-related disorders, including cancer. In the context of carcinogenesis, the SASP produced by senescent cells has been implicated in the promotion of epithelial cancers, including oral squamous cell carcinoma (OSCC), the most common form of oral cancer. Senescent cells within the tumor microenvironment release factors that amplify the growth and invasiveness of neighboring cancer cells. Senotherapeutics, including senolytics and senomorphics, emerge as promising modalities to target senescent cells and their associated inflammatory factors, thereby opening novel avenues for augmenting the efficacy of cancer treatments. Here, we review the general aspects of cellular senescence, focusing on the relation between senescence-related inflammation with cancer development. We also analyze the available evidence linking cellular senescence with OSCC, highlighting possible clinical applications.
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Affiliation(s)
- Sven Eric Niklander
- Unit of Oral Pathology and Oral Medicine, Faculty of Dentistry, Universidad Andres Bello, Viña del Mar, Chile
| | - Pablo Aránguiz
- Escuela de Química y Farmacia, Facultad de Medicina, Universidad Andres Bello, Viña del Mar, Chile
| | - Fernando Faunes
- Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andres Bello, Viña del Mar, Chile
| | - René Martínez-Flores
- Unit of Oral Pathology and Oral Medicine, Faculty of Dentistry, Universidad Andres Bello, Viña del Mar, Chile
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Kumar A, Thirumurugan K. Understanding cellular senescence: pathways involved, therapeutics and longevity aiding. Cell Cycle 2023; 22:2324-2345. [PMID: 38031713 PMCID: PMC10730163 DOI: 10.1080/15384101.2023.2287929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 11/06/2023] [Indexed: 12/01/2023] Open
Abstract
A normal somatic cell undergoes cycles of finite cellular divisions. The presence of surveillance checkpoints arrests cell division in response to stress inducers: oxidative stress from excess free radicals, oncogene-induced abnormalities, genotoxic stress, and telomere attrition. When facing such stress when undergoing these damages, there is a brief pause in the cell cycle to enable repair mechanisms. Also, the nature of stress determines whether the cell goes for repair or permanent arrest. As the cells experience transient or permanent stress, they subsequently choose the quiescence or senescence stage, respectively. Quiescence is an essential stage that allows the arrested/damaged cells to go through appropriate repair mechanisms and then revert to the mainstream cell cycle. However, senescent cells are irreversible and accumulate with age, resulting in inflammation and various age-related disorders. In this review, we focus on senescence-associated pathways and therapeutics understanding cellular senescence as a cascade that leads to aging, while discussing the recent details on the molecular pathways involved in regulating senescence and the benefits of therapeutic strategies against accumulated senescent cells and their secretions.
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Affiliation(s)
- Ashish Kumar
- Pearl Research Park, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Kavitha Thirumurugan
- Pearl Research Park, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
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Grigorash BB, van Essen D, Liang G, Grosse L, Emelyanov A, Kang Z, Korablev A, Kanzler B, Molina C, Lopez E, Demidov ON, Garrido C, Liu F, Saccani S, Bulavin DV. p16 High senescence restricts cellular plasticity during somatic cell reprogramming. Nat Cell Biol 2023; 25:1265-1278. [PMID: 37652981 DOI: 10.1038/s41556-023-01214-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 07/24/2023] [Indexed: 09/02/2023]
Abstract
Despite advances in four-factor (4F)-induced reprogramming (4FR) in vitro and in vivo, how 4FR interconnects with senescence remains largely under investigated. Here, using genetic and chemical approaches to manipulate senescent cells, we show that removal of p16High cells resulted in the 4FR of somatic cells into totipotent-like stem cells. These cells expressed markers of both pluripotency and the two-cell embryonic state, readily formed implantation-competent blastoids and, following morula aggregation, contributed to embryonic and extraembryonic lineages. We identified senescence-dependent regulation of nicotinamide N-methyltransferase as a key mechanism controlling the S-adenosyl-L-methionine levels during 4FR that was required for expression of the two-cell genes and acquisition of an extraembryonic potential. Importantly, a partial 4F epigenetic reprogramming in old mice was able to reverse several markers of liver aging only in conjunction with the depletion of p16High cells. Our results show that the presence of p16High senescent cells limits cell plasticity, whereas their depletion can promote a totipotent-like state and histopathological tissue rejuvenation during 4F reprogramming.
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Affiliation(s)
- Bogdan B Grigorash
- Institute for Research on Cancer and Aging of Nice (IRCAN), Université Côte d'Azur, INSERM, CNRS, Nice, France
- INSERM UMR1231, LipSTIC, University of Burgundy Franche-Comté, Dijon, France
| | - Dominic van Essen
- Institute for Research on Cancer and Aging of Nice (IRCAN), Université Côte d'Azur, INSERM, CNRS, Nice, France
| | - Guixian Liang
- State Key Laboratory of Membrane Biology, Institute of Zoology, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Laurent Grosse
- Institute for Research on Cancer and Aging of Nice (IRCAN), Université Côte d'Azur, INSERM, CNRS, Nice, France
| | - Alexander Emelyanov
- Institute for Research on Cancer and Aging of Nice (IRCAN), Université Côte d'Azur, INSERM, CNRS, Nice, France
| | - Zhixin Kang
- State Key Laboratory of Membrane Biology, Institute of Zoology, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Alexey Korablev
- Institute for Research on Cancer and Aging of Nice (IRCAN), Université Côte d'Azur, INSERM, CNRS, Nice, France
| | - Benoît Kanzler
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Clement Molina
- Institute for Research on Cancer and Aging of Nice (IRCAN), Université Côte d'Azur, INSERM, CNRS, Nice, France
| | - Elsa Lopez
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Oleg N Demidov
- INSERM UMR1231, LipSTIC, University of Burgundy Franche-Comté, Dijon, France
- Institute of Cytology, RAS, St Petersburg, Russia
- Sirius University, Sochi, Russia
| | - Carmen Garrido
- INSERM UMR1231, LipSTIC, University of Burgundy Franche-Comté, Dijon, France
| | - Feng Liu
- State Key Laboratory of Membrane Biology, Institute of Zoology, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- School of Life Sciences, Shandong University, Qingdao, China
| | - Simona Saccani
- Institute for Research on Cancer and Aging of Nice (IRCAN), Université Côte d'Azur, INSERM, CNRS, Nice, France
| | - Dmitry V Bulavin
- Institute for Research on Cancer and Aging of Nice (IRCAN), Université Côte d'Azur, INSERM, CNRS, Nice, France.
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Uemura T, Matsunaga M, Yokota Y, Takao K, Furuchi T. Inhibition of Polyamine Catabolism Reduces Cellular Senescence. Int J Mol Sci 2023; 24:13397. [PMID: 37686212 PMCID: PMC10488189 DOI: 10.3390/ijms241713397] [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: 08/02/2023] [Revised: 08/25/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
The aging of the global population has necessitated the identification of effective anti-aging technologies based on scientific evidence. Polyamines (putrescine, spermidine, and spermine) are essential for cell growth and function. Age-related reductions in polyamine levels have been shown to be associated with reduced cognitive and physical functions. We have previously found that the expression of spermine oxidase (SMOX) increases with age; however, the relationship between SMOX expression and cellular senescence remains unclear. Therefore, we investigated the relationship between increased SMOX expression and cellular senescence using human-liver-derived HepG2 cells. Intracellular spermine levels decreased and spermidine levels increased with the serial passaging of cells (aged cells), and aged cells showed increased expression of SMOX. The levels of acrolein-conjugated protein, which is produced during spermine degradation, also increases. Senescence-associated β-gal activity was increased in aged cells, and the increase was suppressed by MDL72527, an inhibitor of acetylpolyamine oxidase (AcPAO) and SMOX, both of which are enzymes that catalyze polyamine degradation. DNA damage accumulated in aged cells and MDL72527 reduced DNA damage. These results suggest that the SMOX-mediated degradation of spermine plays an important role in cellular senescence. Our results demonstrate that cellular senescence can be controlled by inhibiting spermine degradation using a polyamine-catabolizing enzyme inhibitor.
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Affiliation(s)
- Takeshi Uemura
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado 350-0295, Saitama, Japan (K.T.); (T.F.)
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12
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Hora S, Wuestefeld T. Liver Injury and Regeneration: Current Understanding, New Approaches, and Future Perspectives. Cells 2023; 12:2129. [PMID: 37681858 PMCID: PMC10486351 DOI: 10.3390/cells12172129] [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: 07/19/2023] [Revised: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 09/09/2023] Open
Abstract
The liver is a complex organ with the ability to regenerate itself in response to injury. However, several factors can contribute to liver damage beyond repair. Liver injury can be caused by viral infections, alcoholic liver disease, non-alcoholic steatohepatitis, and drug-induced liver injury. Understanding the cellular and molecular mechanisms involved in liver injury and regeneration is critical to developing effective therapies for liver diseases. Liver regeneration is a complex process that involves the interplay of various signaling pathways, cell types, and extracellular matrix components. The activation of quiescent hepatocytes that proliferate and restore the liver mass by upregulating genes involved in cell-cycle progression, DNA repair, and mitochondrial function; the proliferation and differentiation of progenitor cells, also known as oval cells, into hepatocytes that contribute to liver regeneration; and the recruitment of immune cells to release cytokines and angiogenic factors that promote or inhibit cell proliferation are some examples of the regenerative processes. Recent advances in the fields of gene editing, tissue engineering, stem cell differentiation, small interfering RNA-based therapies, and single-cell transcriptomics have paved a roadmap for future research into liver regeneration as well as for the identification of previously unknown cell types and gene expression patterns. In summary, liver injury and regeneration is a complex and dynamic process. A better understanding of the cellular and molecular mechanisms driving this phenomenon could lead to the development of new therapies for liver diseases and improve patient outcomes.
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Affiliation(s)
- Shainan Hora
- Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), 60 Biopolis Street, Genome, Singapore 138672, Singapore;
| | - Torsten Wuestefeld
- Genome Institute of Singapore (GIS), Agency for Science, Technology and Research (A*STAR), 60 Biopolis Street, Genome, Singapore 138672, Singapore;
- National Cancer Centre Singapore, Singapore 168583, Singapore
- School of Biological Science, Nanyang Technological University, Singapore 637551, Singapore
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13
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Jeong H, Lee C, Lee MJ, Jung Y. Therapeutic strategies to improve liver regeneration after hepatectomy. Exp Biol Med (Maywood) 2023; 248:1313-1318. [PMID: 37786387 PMCID: PMC10625346 DOI: 10.1177/15353702231191195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023] Open
Abstract
Chronic liver disease is one of the most common diseases worldwide, and its prevalence is particularly high among adults aged 40-60 years; it takes a toll on productivity and causes significant economic burden. However, there are still no effective treatments that can fundamentally treat chronic liver disease. Although liver transplantation is considered the only effective treatment for chronic liver disease, it has limitations in that the pool of available donors is vastly insufficient for the number of potential recipients. Even if a patient undergoes liver transplantation, side effects such as immune rejection or bile duct complications could occur. In addition, impaired liver regeneration due to various causes, such as aging and metabolic disorders, may cause liver failure after liver resection, even leading to death. Therefore, further research on the liver regeneration process and therapeutic strategies to improve liver regeneration are needed. In this review, we describe the process of liver regeneration after hepatectomy, focusing on various cytokines and signaling pathways. In addition, we review treatment strategies that have been studied to date to improve liver regeneration, such as promotion of hepatocyte proliferation and metabolism and transplantation of mesenchymal stem cells. This review helps to understand the physiological processes involved in liver regeneration and provides basic knowledge for developing treatments for successful liver regeneration.
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Affiliation(s)
- Hayeong Jeong
- Department of Integrated Biological Science, College of Natural Science, Pusan National University, Pusan 46241, Korea
| | - Chanbin Lee
- Institute of Systems Biology, College of Natural Science, Pusan National University, Pusan 46241, Korea
| | - Min Jae Lee
- Department of Laboratory Animal Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon 24341, Korea
| | - Youngmi Jung
- Department of Integrated Biological Science, College of Natural Science, Pusan National University, Pusan 46241, Korea
- Department of Biological Sciences, College of Natural Science, Pusan National University, Pusan 46241, Korea
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14
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Haston S, Gonzalez-Gualda E, Morsli S, Ge J, Reen V, Calderwood A, Moutsopoulos I, Panousopoulos L, Deletic P, Carreno G, Guiho R, Manshaei S, Gonzalez-Meljem JM, Lim HY, Simpson DJ, Birch J, Pallikonda HA, Chandra T, Macias D, Doherty GJ, Rassl DM, Rintoul RC, Signore M, Mohorianu I, Akbar AN, Gil J, Muñoz-Espín D, Martinez-Barbera JP. Clearance of senescent macrophages ameliorates tumorigenesis in KRAS-driven lung cancer. Cancer Cell 2023; 41:1242-1260.e6. [PMID: 37267953 DOI: 10.1016/j.ccell.2023.05.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 03/07/2023] [Accepted: 05/05/2023] [Indexed: 06/04/2023]
Abstract
The accumulation of senescent cells in the tumor microenvironment can drive tumorigenesis in a paracrine manner through the senescence-associated secretory phenotype (SASP). Using a new p16-FDR mouse line, we show that macrophages and endothelial cells are the predominant senescent cell types in murine KRAS-driven lung tumors. Through single cell transcriptomics, we identify a population of tumor-associated macrophages that express a unique array of pro-tumorigenic SASP factors and surface proteins and are also present in normal aged lungs. Genetic or senolytic ablation of senescent cells, or macrophage depletion, result in a significant decrease in tumor burden and increased survival in KRAS-driven lung cancer models. Moreover, we reveal the presence of macrophages with senescent features in human lung pre-malignant lesions, but not in adenocarcinomas. Taken together, our results have uncovered the important role of senescent macrophages in the initiation and progression of lung cancer, highlighting potential therapeutic avenues and cancer preventative strategies.
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Affiliation(s)
- Scott Haston
- Developmental Biology and Cancer Programme, Birth Defects Research Centre, UCL Institute of Child Health, London WC1N 1EH, UK.
| | | | - Samir Morsli
- Early Cancer Institute, Department of Oncology, University of Cambridge, Cambridge, UK
| | - Jianfeng Ge
- Early Cancer Institute, Department of Oncology, University of Cambridge, Cambridge, UK
| | - Virinder Reen
- MRC London Institute of Medical Sciences (LMS), Du Cane Road, London W12 0NN, UK; Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, Du Cane Road, London W12 0NN, UK
| | - Alexander Calderwood
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge CB2 0AW, UK
| | - Ilias Moutsopoulos
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge CB2 0AW, UK
| | - Leonidas Panousopoulos
- Developmental Biology and Cancer Programme, Birth Defects Research Centre, UCL Institute of Child Health, London WC1N 1EH, UK
| | - Polina Deletic
- Division of Medicine, University College London, London, UK
| | - Gabriela Carreno
- Developmental Biology and Cancer Programme, Birth Defects Research Centre, UCL Institute of Child Health, London WC1N 1EH, UK
| | - Romain Guiho
- Developmental Biology and Cancer Programme, Birth Defects Research Centre, UCL Institute of Child Health, London WC1N 1EH, UK
| | - Saba Manshaei
- Developmental Biology and Cancer Programme, Birth Defects Research Centre, UCL Institute of Child Health, London WC1N 1EH, UK
| | | | - Hui Yuan Lim
- Developmental Biology and Cancer Programme, Birth Defects Research Centre, UCL Institute of Child Health, London WC1N 1EH, UK
| | | | - Jodie Birch
- MRC London Institute of Medical Sciences (LMS), Du Cane Road, London W12 0NN, UK; Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, Du Cane Road, London W12 0NN, UK
| | - Husayn A Pallikonda
- MRC London Institute of Medical Sciences (LMS), Du Cane Road, London W12 0NN, UK; Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, Du Cane Road, London W12 0NN, UK
| | - Tamir Chandra
- MRC Human Generics Unit, University of Edinburgh, Edinburgh, UK
| | - David Macias
- Early Cancer Institute, Department of Oncology, University of Cambridge, Cambridge, UK
| | - Gary J Doherty
- Cambridge University Hospitals NHS Foundation Trust, Department of Oncology, Addenbrooke's Hospital, Cambridge CB2 0QQ, UK
| | - Doris M Rassl
- Royal Papworth Hospital NHS Foundation Trust. Cambridge Biomedical Campus, Cambridge CB2 0AY, UK
| | - Robert C Rintoul
- Royal Papworth Hospital NHS Foundation Trust. Cambridge Biomedical Campus, Cambridge CB2 0AY, UK; Department of Oncology, University of Cambridge, Cambridge, UK; CRUK Cambridge Centre Thoracic Cancer Programme, Cambridge, UK
| | - Massimo Signore
- Developmental Biology and Cancer Programme, Birth Defects Research Centre, UCL Institute of Child Health, London WC1N 1EH, UK
| | - Irina Mohorianu
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge CB2 0AW, UK
| | - Arne N Akbar
- Division of Medicine, University College London, London, UK
| | - Jesús Gil
- MRC London Institute of Medical Sciences (LMS), Du Cane Road, London W12 0NN, UK; Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, Du Cane Road, London W12 0NN, UK
| | - Daniel Muñoz-Espín
- Early Cancer Institute, Department of Oncology, University of Cambridge, Cambridge, UK; CRUK Cambridge Centre Thoracic Cancer Programme, Cambridge, UK.
| | - Juan Pedro Martinez-Barbera
- Developmental Biology and Cancer Programme, Birth Defects Research Centre, UCL Institute of Child Health, London WC1N 1EH, UK.
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15
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Pan CC, Maeso-Díaz R, Lewis TR, Xiang K, Tan L, Liang Y, Wang L, Yang F, Yin T, Wang C, Du K, Huang D, Oh SH, Wang E, Lim BJW, Chong M, Alexander PB, Yao X, Arshavsky VY, Li QJ, Diehl AM, Wang XF. Antagonizing the irreversible thrombomodulin-initiated proteolytic signaling alleviates age-related liver fibrosis via senescent cell killing. Cell Res 2023; 33:516-532. [PMID: 37169907 PMCID: PMC10313785 DOI: 10.1038/s41422-023-00820-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 04/10/2023] [Indexed: 05/13/2023] Open
Abstract
Cellular senescence is a stress-induced, stable cell cycle arrest phenotype which generates a pro-inflammatory microenvironment, leading to chronic inflammation and age-associated diseases. Determining the fundamental molecular pathways driving senescence instead of apoptosis could enable the identification of senolytic agents to restore tissue homeostasis. Here, we identify thrombomodulin (THBD) signaling as a key molecular determinant of the senescent cell fate. Although normally restricted to endothelial cells, THBD is rapidly upregulated and maintained throughout all phases of the senescence program in aged mammalian tissues and in senescent cell models. Mechanistically, THBD activates a proteolytic feed-forward signaling pathway by stabilizing a multi-protein complex in early endosomes, thus forming a molecular basis for the irreversibility of the senescence program and ensuring senescent cell viability. Therapeutically, THBD signaling depletion or inhibition using vorapaxar, an FDA-approved drug, effectively ablates senescent cells and restores tissue homeostasis in liver fibrosis models. Collectively, these results uncover proteolytic THBD signaling as a conserved pro-survival pathway essential for senescent cell viability, thus providing a pharmacologically exploitable senolytic target for senescence-associated diseases.
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Affiliation(s)
- Christopher C Pan
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Raquel Maeso-Díaz
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, NC, USA
| | - Tylor R Lewis
- Division of Ophthalmology, Department of Medicine, Duke University, Durham, NC, USA
| | - Kun Xiang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Lianmei Tan
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Yaosi Liang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Liuyang Wang
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, USA
| | - Fengrui Yang
- Department of Physiology, Morehouse School of Medicine, Atlanta, GA, USA
| | - Tao Yin
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Calvin Wang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Kuo Du
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, NC, USA
| | - De Huang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Seh Hoon Oh
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, NC, USA
| | - Ergang Wang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | | | - Mengyang Chong
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Peter B Alexander
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Xuebiao Yao
- Department of Physiology, Morehouse School of Medicine, Atlanta, GA, USA
| | - Vadim Y Arshavsky
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
- Division of Ophthalmology, Department of Medicine, Duke University, Durham, NC, USA
| | - Qi-Jing Li
- Department of Immunology, Duke University, Durham, NC, USA
| | - Anna Mae Diehl
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, NC, USA
| | - Xiao-Fan Wang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA.
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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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Simmen FA, Pabona JMP, Al-Dwairi A, Alhallak I, Montales MTE, Simmen RCM. Malic Enzyme 1 (ME1) Promotes Adiposity and Hepatic Steatosis and Induces Circulating Insulin and Leptin in Obese Female Mice. Int J Mol Sci 2023; 24:ijms24076613. [PMID: 37047583 PMCID: PMC10095602 DOI: 10.3390/ijms24076613] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/21/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
Malic Enzyme 1 (ME1) supports lipogenesis, cholesterol synthesis, and cellular redox potential by catalyzing the decarboxylation of L-malate to pyruvate, and the concomitant reduction of NADP to NADPH. We examined the contribution of ME1 to the development of obesity by provision of an obesogenic diet to C57BL/6 wild type (WT) and MOD-1 (lack ME1 protein) female mice. Adiposity, serum hormone levels, and adipose, mammary gland, liver, and small intestine gene expression patterns were compared between experimental groups after 10 weeks on a diet. Relative to WT female mice, MOD-1 female mice exhibited lower body weights and less adiposity; decreased concentrations of insulin, leptin, and estrogen; higher concentrations of adiponectin and progesterone; smaller-sized mammary gland adipocytes; and reduced hepatosteatosis. MOD-1 mice had diminished expression of Lep gene in abdominal fat; Lep, Pparg, Klf9, and Acaca genes in mammary glands; Pparg and Cdkn1a genes in liver; and Tlr9 and Ffar3 genes in the small intestine. By contrast, liver expression of Cdkn2a and Lepr genes was augmented in MOD-1, relative to WT mice. Results document an integrative role for ME1 in development of female obesity, suggest novel linkages with specific pathways/genes, and further support the therapeutic targeting of ME1 for obesity, diabetes, and fatty liver disease.
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Affiliation(s)
- Frank A. Simmen
- Department of Physiology & Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
- The Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - John Mark P. Pabona
- Department of Physiology & Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Ahmed Al-Dwairi
- Department of Physiology and Biochemistry, College of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Iad Alhallak
- Department of Physiology & Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Maria Theresa E. Montales
- Department of Physiology & Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Rosalia C. M. Simmen
- Department of Physiology & Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
- The Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
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18
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Takaya K, Asou T, Kishi K. New Senolysis Approach via Antibody-Drug Conjugate Targeting of the Senescent Cell Marker Apolipoprotein D for Skin Rejuvenation. Int J Mol Sci 2023; 24:ijms24065857. [PMID: 36982931 PMCID: PMC10051536 DOI: 10.3390/ijms24065857] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/08/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Senescent cells accumulate in aging skin, causing age-related changes and a decline in functional efficiency. Therefore, senolysis, a treatment that specifically removes senescent cells and rejuvenates the skin, should be explored. We targeted apolipoprotein D (ApoD), a previously identified marker expressed on senescent dermal fibroblasts, and investigated a novel senolysis approach using a monoclonal antibody against this antigen and a secondary antibody conjugated with the cytotoxic drug pyrrolobenzodiazepine. Observations using fluorescently labeled antibodies revealed that ApoD functions as a surface marker of senescent cells and that the antibody is taken up and internalized only by such cells. The concurrent administration of the antibody with the PBD-conjugated secondary antibody specifically eliminated only senescent cells without harming young cells. The antibody-drug conjugate treatment of aging mice combined with the administration of antibodies reduced the number of senescent cells in the dermis of mice and improved the senescent skin phenotype. These results provide a proof-of-principle evaluation of a novel approach to specifically eliminate senescent cells using antibody-drug conjugates against senescent cell marker proteins. This approach is a potential candidate for clinical applications to treat pathological skin aging and related diseases via the removal of senescent cells.
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Affiliation(s)
- Kento Takaya
- Department of Plastic and Reconstructive Surgery, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Toru Asou
- Department of Plastic and Reconstructive Surgery, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Kazuo Kishi
- Department of Plastic and Reconstructive Surgery, Keio University School of Medicine, Tokyo 160-8582, Japan
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19
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Anerillas C, Altés G, Gorospe M. MAPKs in the early steps of senescence implemEMTation. Front Cell Dev Biol 2023; 11:1083401. [PMID: 37009481 PMCID: PMC10060890 DOI: 10.3389/fcell.2023.1083401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 03/03/2023] [Indexed: 03/18/2023] Open
Abstract
Evidence is accumulating that the earliest stages of the DNA damage response can direct cells toward senescence instead of other cell fates. In particular, tightly regulated signaling through Mitogen-Activated Protein Kinases (MAPKs) in early senescence can lead to a sustained pro-survival program and suppress a pro-apoptotic program. Importantly, an epithelial-to-mesenchymal Transition (EMT)-like program appears essential for preventing apoptosis and favoring senescence following DNA damage. In this review, we discuss how MAPKs might influence EMT features to promote a senescent phenotype that increases cell survival at the detriment of tissue function.
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20
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Takaya K, Asou T, Kishi K. Identification of Apolipoprotein D as a Dermal Fibroblast Marker of Human Aging for Development of Skin Rejuvenation Therapy. Rejuvenation Res 2023; 26:42-50. [PMID: 36571249 DOI: 10.1089/rej.2022.0056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The current understanding of skin aging is that senescent fibroblasts accumulate within the dermis and subcutaneous fat to cause abnormal tissue remodeling and extracellular matrix dysfunction, triggering a senescence-associated secretory phenotype (SASP). A novel therapeutic approach to prevent skin aging is to specifically eliminate senescent dermal fibroblasts; this requires the identification of specific protein markers for senescent cells. Apolipoprotein D (ApoD) is involved in lipid metabolism and antioxidant responses and is abundantly expressed in tissues affected by age-related diseases such as Alzheimer's disease and atherosclerosis. However, its behavior and role in skin aging remain unclear. In this study, we examined whether ApoD functions as a marker of aging using human dermal fibroblast aging models. In cellular senescence models induced through replicative aging and ionizing radiation exposure, ApoD expression was upregulated at the gene and protein levels and correlated with senescence-associated β-galactosidase activity and the decreased uptake of the proliferation marker bromodeoxyuridine, which was concomitant with the upregulation of SASP genes. Furthermore, ApoD-positive cells were found to be more abundant in the aging human dermis using fluorescence flow cytometry. These results suggest that ApoD is a potential clinical marker for identifying aging dermal fibroblasts.
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Affiliation(s)
- Kento Takaya
- Department of Plastic and Reconstructive Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Toru Asou
- Department of Plastic and Reconstructive Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Kazuo Kishi
- Department of Plastic and Reconstructive Surgery, Keio University School of Medicine, Tokyo, Japan
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21
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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: 5] [Impact Index Per Article: 5.0] [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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22
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Klein A, Rhinn M, Keyes WM. Cellular senescence and developmental defects. FEBS J 2023; 290:1303-1313. [PMID: 36856681 DOI: 10.1111/febs.16731] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/05/2023] [Accepted: 01/20/2023] [Indexed: 03/02/2023]
Abstract
Cellular senescence is a distinct state that is frequently induced in response to ageing and stress. Yet studies have also uncovered beneficial functions in development, repair and regeneration. Current opinion therefore suggests that timely and controlled induction of senescence can be beneficial, while misregulation of the senescence program, either through mis-timed activation, or chronic accumulation of senescent cells, contributes to many disease states and the ageing process. Whether atypical activation of senescence plays a role in the pathogenesis of developmental defects has been relatively underexplored. Here, we discuss three recent studies that implicate ectopic senescence in neurodevelopmental defects, with possible causative roles for senescence in these birth defects. In addition, we highlight how the examination of senescence in other birth defects is warranted, and speculate that aberrantly activated senescence may play a much broader role in developmental defects than currently appreciated.
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Affiliation(s)
- Annabelle Klein
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique (CNRS), Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale (INSERM), Illkirch, France.,Université de Strasbourg, Illkirch, France
| | - Muriel Rhinn
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique (CNRS), Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale (INSERM), Illkirch, France.,Université de Strasbourg, Illkirch, France
| | - William M Keyes
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique (CNRS), Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale (INSERM), Illkirch, France.,Université de Strasbourg, Illkirch, France
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23
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Zhao T, He Q, Xie S, Zhan H, Jiang C, Lin S, Liu F, Wang C, Chen G, Zeng H. A novel Mcl-1 inhibitor synergizes with venetoclax to induce apoptosis in cancer cells. Mol Med 2023; 29:10. [PMID: 36658493 PMCID: PMC9854187 DOI: 10.1186/s10020-022-00565-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 11/03/2022] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Evading apoptosis by overexpression of anti-apoptotic Bcl-2 family proteins is a hallmark of cancer cells and the Bcl-2 selective inhibitor venetoclax is widely used in the treatment of hematologic malignancies. Mcl-1, another anti-apoptotic Bcl-2 family member, is recognized as the primary cause of resistance to venetoclax treatment. However, there is currently no Mcl-1 inhibitor approved for clinical use. METHODS Paired parental and Mcl-1 knockout H1299 cells were used to screen and identify a small molecule named MI-238. Immunoprecipitation (IP) and flow cytometry assay were performed to analyze the activation of pro-apoptotic protein Bak. Annexin V staining and western blot analysis of cleaved caspase 3 were employed to measure the cell apoptosis. Mouse xenograft AML model using luciferase-expressing Molm13 cells was employed to evaluate in vivo therapeutic efficacy. Bone marrow samples from newly diagnosed AML patients were collected to evaluate the therapeutic potency. RESULTS Here, we show that MI-238, a novel and specific Mcl-1 inhibitor, can disrupt the association of Mcl-1 with BH3-only pro-apoptotic proteins, selectively leading to apoptosis in Mcl-1 proficient cells. Moreover, MI-238 treatment also potently induces apoptosis in acute myeloid leukemia (AML) cells. Notably, the combined treatment of MI-238 with venetoclax exhibited strong synergistic anti-cancer effects in AML cells in vitro, MOLM-13 xenografts mouse model and AML patient samples. CONCLUSIONS This study identified a novel and selective Mcl-1 inhibitor MI-238 and demonstrated that the development of MI-238 provides a novel strategy to improve the outcome of venetoclax therapy in AML.
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Affiliation(s)
- Tianming Zhao
- grid.412601.00000 0004 1760 3828Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630 China
| | - Qiang He
- grid.258164.c0000 0004 1790 3548Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, 510632 China
| | - Shurong Xie
- grid.412601.00000 0004 1760 3828Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630 China
| | - Huien Zhan
- grid.412601.00000 0004 1760 3828Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630 China
| | - Cheng Jiang
- grid.254147.10000 0000 9776 7793Jiang Su Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing, 210009 China
| | - Shengbin Lin
- grid.258164.c0000 0004 1790 3548Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, 510632 China
| | - Fangshu Liu
- grid.412601.00000 0004 1760 3828Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630 China
| | - Cong Wang
- grid.254147.10000 0000 9776 7793School of Biopharmacy, China Pharmaceutical University, Nanjing, 211198 China
| | - Guo Chen
- grid.258164.c0000 0004 1790 3548Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, Guangzhou, 510632 China ,grid.254147.10000 0000 9776 7793School of Biopharmacy, China Pharmaceutical University, Nanjing, 211198 China
| | - Hui Zeng
- grid.412601.00000 0004 1760 3828Department of Hematology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630 China
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24
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Konar G, Flickinger Z, Sharma S, Vallone K, Lyon C, Doshier C, Lyon W, Patton JG. Damage-induced senescent immune cells regulate regeneration of the zebrafish retina. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.16.524296. [PMID: 36711649 PMCID: PMC9882244 DOI: 10.1101/2023.01.16.524296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Zebrafish spontaneously regenerate their retina in response to damage through the action of Müller glia. Even though Müller glia (MG) are conserved in higher vertebrates, the capacity to regenerate retinal damage is lost. Recent work has focused on the regulation of inflammation during tissue regeneration with precise temporal roles for macrophages and microglia. Senescent cells that have withdrawn from the cell cycle have mostly been implicated in aging, but are still metabolically active, releasing proinflammatory signaling molecules as part of the Senescence Associated Secretory Phenotype (SASP). Here, we discover that in response to retinal damage, a subset of cells expressing markers of microglia/macrophages also express markers of senescence. These cells display a temporal pattern of appearance and clearance during retina regeneration. Premature removal of senescent cells by senolytic treatment led to a decrease in proliferation and incomplete repair of the ganglion cell layer after NMDA damage. Our results demonstrate a role for modulation of senescent cell responses to balance inflammation, regeneration, plasticity, and repair as opposed to fibrosis and scarring.
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Affiliation(s)
| | | | - Shivani Sharma
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
| | - Kyle Vallone
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
| | - Charles Lyon
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
| | - Claire Doshier
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
| | - William Lyon
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
| | - James G. Patton
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
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25
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Cheng N, Kim KH, Lau LF. Analysis of CCN Functions in Liver Regeneration After Partial Hepatectomy. Methods Mol Biol 2023; 2582:209-221. [PMID: 36370352 DOI: 10.1007/978-1-0716-2744-0_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The remarkable regenerative capability of the liver has long been appreciated. Upon significant loss of liver tissue, the remnant liver can grow rapidly to restore the original liver mass through a combination of hepatocyte proliferation and hypertrophy to maintain homeostasis. Experimentally, 2/3 partial hepatectomy in mice has been used extensively as a model to dissect the molecular mechanism of liver regeneration and the genetic networks involved. Herein, we describe the protocols for partial hepatectomy and analyses of pertinent CCN protein functions.
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Affiliation(s)
- Naiyuan Cheng
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, College of Medicine, Chicago, IL, USA
| | | | - Lester F Lau
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, College of Medicine, Chicago, IL, USA.
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26
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Keles U, Ow JR, Kuentzel KB, Zhao LN, Kaldis P. Liver-derived metabolites as signaling molecules in fatty liver disease. Cell Mol Life Sci 2022; 80:4. [PMID: 36477411 PMCID: PMC9729146 DOI: 10.1007/s00018-022-04658-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 11/25/2022] [Accepted: 11/26/2022] [Indexed: 12/12/2022]
Abstract
Excessive fat accumulation in the liver has become a major health threat worldwide. Unresolved fat deposition in the liver can go undetected until it develops into fatty liver disease, followed by steatohepatitis, fibrosis, cirrhosis, and eventually hepatocellular carcinoma. Lipid deposition in the liver is governed by complex communication, primarily between metabolic organs. This can be mediated by hormones, organokines, and also, as has been more recently discovered, metabolites. Although how metabolites from peripheral organs affect the liver is well documented, the effect of metabolic players released from the liver during the development of fatty liver disease or associated comorbidities needs further attention. Here we focus on interorgan crosstalk based on metabolites released from the liver and how these molecules act as signaling molecules in peripheral tissues. Due to the liver's specific role, we are covering lipid and bile mechanism-derived metabolites. We also discuss the high sucrose intake associated with uric acid release from the liver. Excessive fat deposition in the liver during fatty liver disease development reflects disrupted metabolic processes. As a response, the liver secretes a variety of signaling molecules as well as metabolites which act as a footprint of the metabolic disruption. In the coming years, the reciprocal exchange of metabolites between the liver and other metabolic organs will gain further importance and will help to better understand the development of fatty liver disease and associated diseases.
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Affiliation(s)
- Umur Keles
- Department of Clinical Sciences, Clinical Research Centre (CRC), Lund University, Box 50332, 202 13, Malmö, Sweden
| | - Jin Rong Ow
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, Proteos, Singapore, 138673, Republic of Singapore
| | - Katharina Barbara Kuentzel
- Department of Clinical Sciences, Clinical Research Centre (CRC), Lund University, Box 50332, 202 13, Malmö, Sweden
| | - Li Na Zhao
- Department of Clinical Sciences, Clinical Research Centre (CRC), Lund University, Box 50332, 202 13, Malmö, Sweden
| | - Philipp Kaldis
- Department of Clinical Sciences, Clinical Research Centre (CRC), Lund University, Box 50332, 202 13, Malmö, Sweden. .,Lund University Diabetes Centre (LUDC), Clinical Research Centre (CRC), Lund University, Box 50332, 202 13, Malmö, Sweden.
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27
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Alexa-Stratulat T, Pavel-Tanasa M, Cianga VA, Antoniu S. Immune senescence in non-small cell lung cancer management: therapeutic relevance, biomarkers, and mitigating approaches. Expert Rev Anticancer Ther 2022; 22:1197-1210. [PMID: 36270650 DOI: 10.1080/14737140.2022.2139242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
INTRODUCTION Lung cancer and mainly non-small cell lung cancer (NSCLC) still remain a prevalent malignancy worldwide despite sustained screening approaches. Furthermore, a significant proportion of the cases are diagnosed at advanced stages when conservative therapy is often unsuccessful. Cell senescence is an endogenous antitumor weapon but when it is upregulated exerts opposite activities favoring tumor metastasizing and poor response to therapy. However, little is known about this dangerous relationship between cell senescence and NSCLC outcome or on potential approaches to mitigate its unfavorable consequences. AREAS COVERED We discuss cell senescence focusing on immune senescence, its cell and humoral effectors (namely immune senescence associated secretory phenotype-iSASP), its impact on NSCLC outcome, and its biomarkers. Senotherapeutics as mitigating approaches are also considered based on the availability of experimental data pertinent to NSCLC. EXPERT OPINION Characterization of NSCLC subsets in which immune senescence is a risk factor for poor prognosis and poor therapeutic response might be very helpful in supporting the addition of senotherapeutics to conventional cancer therapy. This approach has the potential to improve disease outcome but more studies in this area are necessary.
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Affiliation(s)
- Teodora Alexa-Stratulat
- Department of Medicine III-Oncology, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy, Iasi, Romania
| | - Mariana Pavel-Tanasa
- Department of Immunology, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy, Iasi, Romania
| | - Vlad-Andrei Cianga
- Department of Hematology, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy, Iasi, Romania
| | - Sabina Antoniu
- Department of Preventive Medicine and Interdisciplinarity, Faculty of Medicine, Grigore T. Popa University of Medicine and Pharmacy, Iasi, Romania
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28
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Lascaris B, de Meijer VE, Porte RJ. Normothermic liver machine perfusion as a dynamic platform for regenerative purposes: What does the future have in store for us? J Hepatol 2022; 77:825-836. [PMID: 35533801 DOI: 10.1016/j.jhep.2022.04.033] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 04/19/2022] [Accepted: 04/27/2022] [Indexed: 01/06/2023]
Abstract
Liver transplantation has become an immense success; nevertheless, far more recipients are registered on waiting lists than there are available donor livers for transplantation. High-risk, extended criteria donor livers are increasingly used to reduce the discrepancy between organ demand and supply. Especially for high-risk livers, dynamic preservation using machine perfusion can decrease post-transplantation complications and may increase donor liver utilisation by improving graft quality and enabling viability testing before transplantation. To further increase the availability of donor livers suitable for transplantation, new strategies are required that make it possible to use organs that are initially too damaged to be transplanted. With the current progress in experimental liver transplantation research, (long-term) normothermic machine perfusion may be used in the future as a dynamic platform for regenerative medicine approaches, enabling repair and regeneration of injured donor livers. Currently explored therapeutics such as defatting cocktails, RNA interference, senolytics, and stem cell therapy may assist in the repair and/or regeneration of injured livers before transplantation. This review will provide a forecast of the future utility of normothermic machine perfusion in decreasing the imbalance between donor liver demand and supply by enabling the repair and regeneration of damaged donor livers.
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Affiliation(s)
- Bianca Lascaris
- Section of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Vincent E de Meijer
- Section of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Robert J Porte
- Section of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
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29
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Schmitt CA, Wang B, Demaria M. Senescence and cancer - role and therapeutic opportunities. Nat Rev Clin Oncol 2022; 19:619-636. [PMID: 36045302 PMCID: PMC9428886 DOI: 10.1038/s41571-022-00668-4] [Citation(s) in RCA: 171] [Impact Index Per Article: 85.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/18/2022] [Indexed: 01/10/2023]
Abstract
Cellular senescence is a state of stable, terminal cell cycle arrest associated with various macromolecular changes and a hypersecretory, pro-inflammatory phenotype. Entry of cells into senescence can act as a barrier to tumorigenesis and, thus, could in principle constitute a desired outcome for any anticancer therapy. Paradoxically, studies published in the past decade have demonstrated that, in certain conditions and contexts, malignant and non-malignant cells with lastingly persistent senescence can acquire pro-tumorigenic properties. In this Review, we first discuss the major mechanisms involved in the antitumorigenic functions of senescent cells and then consider the cell-intrinsic and cell-extrinsic factors that participate in their switch towards a tumour-promoting role, providing an overview of major translational and emerging clinical findings. Finally, we comprehensively describe various senolytic and senomorphic therapies and their potential to benefit patients with cancer. The entry of cells into senescence can act as a barrier to tumorigenesis; however, in certain contexts senescent malignant and non-malignant cells can acquire pro-tumorigenic properties. The authors of this Review discuss the cell-intrinsic and cell-extrinsic mechanisms involved in both the antitumorigenic and tumour-promoting roles of senescent cells, and describe the potential of various senolytic and senomorphic therapeutic approaches in oncology. Cellular senescence is a natural barrier to tumorigenesis; senescent cells are widely detected in premalignant lesions from patients with cancer. Cellular senescence is induced by anticancer therapy and can contribute to some treatment-related adverse events (TRAEs). Senescent cells exert both protumorigenic and antitumorigenic effects via cell-autonomous and paracrine mechanisms. Pharmacological modulation of senescence-associated phenotypes has the potential to improve therapy efficacy and reduce the incidence of TRAEs.
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Affiliation(s)
- Clemens A Schmitt
- Charité Universitätsmedizin Berlin, Medical Department of Hematology, Oncology and Tumour Immunology, and Molekulares Krebsforschungszentrum-MKFZ, Campus Virchow Klinikum, Berlin, Germany.,Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany.,Johannes Kepler University, Linz, Austria.,Kepler University Hospital, Department of Hematology and Oncology, Linz, Austria.,Deutsches Konsortium für Translationale Krebsforschung (German Cancer Consortium), Partner site Berlin, Berlin, Germany
| | - Boshi Wang
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), University of Groningen (RUG), Groningen, the Netherlands
| | - Marco Demaria
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), University of Groningen (RUG), Groningen, the Netherlands.
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30
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Unraveling the effect of intra- and intercellular processes on acetaminophen-induced liver injury. NPJ Syst Biol Appl 2022; 8:27. [PMID: 35933513 PMCID: PMC9357019 DOI: 10.1038/s41540-022-00238-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 07/20/2022] [Indexed: 11/09/2022] Open
Abstract
In high dosages, acetaminophen (APAP) can cause severe liver damage, but susceptibility to liver failure varies across individuals and is influenced by factors such as health status. Because APAP-induced liver injury and recovery is regulated by an intricate system of intra- and extracellular molecular signaling, we here aim to quantify the importance of specific modules in determining the outcome after an APAP insult and of potential targets for therapies that mitigate adversity. For this purpose, we integrated hepatocellular acetaminophen metabolism, DNA damage response induction and cell fate into a multiscale mechanistic liver lobule model which involves various cell types, such as hepatocytes, residential Kupffer cells and macrophages. Our model simulations show that zonal differences in metabolism and detoxification efficiency are essential determinants of necrotic damage. Moreover, the extent of senescence, which is regulated by intracellular processes and triggered by extracellular signaling, influences the potential to recover. In silico therapies at early and late time points after APAP insult indicated that prevention of necrotic damage is most beneficial for recovery, whereas interference with regulation of senescence promotes regeneration in a less pronounced way.
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31
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Durik M, Keyes WM. Senescence diversity in muscle aging. NATURE AGING 2022; 2:570-572. [PMID: 37117776 DOI: 10.1038/s43587-022-00255-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Affiliation(s)
- Matej Durik
- IGBMC, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
- CNRS, UMR 7104, Illkirch, France
- Inserm, UMR-S 1258, Illkirch, France
- Université de Strasbourg, IGBMC UMR 7104, UMR-S 1258, Illkirch, France
| | - William M Keyes
- IGBMC, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.
- CNRS, UMR 7104, Illkirch, France.
- Inserm, UMR-S 1258, Illkirch, France.
- Université de Strasbourg, IGBMC UMR 7104, UMR-S 1258, Illkirch, France.
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32
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Cheng N, Kim KH, Lau LF. Senescent hepatic stellate cells promote liver regeneration through IL-6 and ligands of CXCR2. JCI Insight 2022; 7:158207. [PMID: 35708907 PMCID: PMC9431681 DOI: 10.1172/jci.insight.158207] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 06/15/2022] [Indexed: 11/29/2022] Open
Abstract
Senescent cells have long been associated with deleterious effects in aging-related pathologies, although recent studies have uncovered their beneficial roles in certain contexts, such as wound healing. We have found that hepatic stellate cells (HSCs) underwent senescence within 2 days after 2/3 partial hepatectomy (PHx) in young (2–3 months old) mice, and the elimination of these senescent cells by using the senolytic drug ABT263 or by using a genetic mouse model impaired liver regeneration. Senescent HSCs secrete IL-6 and CXCR2 ligands as part of the senescence-associated secretory phenotype, which induces multiple signaling pathways to stimulate liver regeneration. IL-6 activates STAT3, induces Yes-associated protein (YAP) activation through SRC family kinases, and synergizes with CXCL2 to activate ERK1/2 to stimulate hepatocyte proliferation. The administration of either IL-6 or CXCL2 partially restored liver regeneration in mice with senescent cell elimination, and the combination of both fully restored liver weight recovery. Furthermore, the matricellular protein central communication network factor 1 (CCN1, previously called CYR61) was rapidly elevated in response to PHx and induced HSC senescence. Knockin mice expressing a mutant CCN1 unable to bind integrin α6β1 were deficient in senescent cells and liver regeneration after PHx. Thus, HSC senescence, largely induced by CCN1, is a programmed response to PHx and plays a critical role in liver regeneration through signaling pathways activated by IL-6 and ligands of CXCR2.
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Affiliation(s)
- Naiyuan Cheng
- Biochemistry and Molecular Genetics, University of Illinois at Chicago College of Medicine, Chicago, United States of America
| | - Ki-Hyun Kim
- Biochemistry and Molecular Genetics, University of Illinois at Chicago College of Medicine, Chicago, United States of America
| | - Lester F Lau
- Biochemistry and Molecular Genetics, University of Illinois at Chicago College of Medicine, Chicago, United States of America
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33
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Ring NAR, Valdivieso K, Grillari J, Redl H, Ogrodnik M. The role of senescence in cellular plasticity: Lessons from regeneration and development and implications for age-related diseases. Dev Cell 2022; 57:1083-1101. [PMID: 35472291 DOI: 10.1016/j.devcel.2022.04.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 02/15/2022] [Accepted: 04/01/2022] [Indexed: 12/14/2022]
Abstract
Senescence is a cellular state which involves cell cycle arrest and a proinflammatory phenotype, and it has traditionally been associated with cellular and organismal aging. However, increasing evidence suggests key roles in tissue growth and regrowth, especially during development and regeneration. Conversely, cellular plasticity-the capacity of cells to undergo identity change, including differentiation and dedifferentiation-is associated with development and regeneration but is now being investigated in the context of age-related diseases such as Alzheimer disease. Here, we discuss the paradox of the role for cellular senescence in cellular plasticity: senescence can act as a cell-autonomous barrier and a paracrine driver of plasticity. We provide a conceptual framework for integrating recent data and use the interplay between cellular senescence and plasticity to provide insight into age-related diseases. Finally, we argue that age-related diseases can be better deciphered when senescence is recognized as a core mechanism of regeneration and development.
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Affiliation(s)
- Nadja Anneliese Ruth Ring
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, Vienna, Austria; Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Karla Valdivieso
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, Vienna, Austria; Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria; Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Johannes Grillari
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria; Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Heinz Redl
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, Vienna, Austria; Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Mikolaj Ogrodnik
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, Vienna, Austria; Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria.
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34
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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: 16] [Impact Index Per Article: 8.0] [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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35
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Duan JL, Ruan B, Song P, Fang ZQ, Yue ZS, Liu JJ, Dou GR, Han H, Wang L. Shear stress-induced cellular senescence blunts liver regeneration through Notch-sirtuin 1-P21/P16 axis. Hepatology 2022; 75:584-599. [PMID: 34687050 DOI: 10.1002/hep.32209] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 10/19/2021] [Accepted: 10/20/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND AND AIMS The mechanisms involved in liver regeneration after partial hepatectomy (pHx) are complicated. Cellular senescence, once linked to aging, plays a pivotal role in wound repair. However, the regulatory effects of cellular senescence on liver regeneration have not been fully elucidated. APPROACH AND RESULTS Mice subjected to pHx were analyzed 14 days after surgery. The incomplete remodeling of liver sinusoids affected shear stress-induced endothelial nitric oxide synthase (eNOS) signaling on day 14, resulting in the accumulation of senescent LSECs. Removing macrophages to augment LSEC senescence led to a malfunction of the regenerating liver. A dynamic fluctuation in Notch activity accompanied senescent LSEC accumulation during liver regeneration. Endothelial Notch activation by using Cdh5-CreERT NICeCA mice triggered LSEC senescence and senescence-associated secretory phenotype, which disrupted liver regeneration. Blocking the Notch by γ-secretase inhibitor (GSI) diminished senescence and promoted LSEC expansion. Mechanically, Notch-hairy and enhancer of split 1 signaling inhibited sirtuin 1 (Sirt1) transcription by binding to its promoter region. Activation of Sirt1 by SRT1720 neutralized the up-regulation of P53, P21, and P16 caused by Notch activation and eliminated Notch-driven LSEC senescence. Finally, Sirt1 activator promoted liver regeneration by abrogating LSEC senescence and improving sinusoid remodeling. CONCLUSIONS Shear stress-induced LSEC senescence driven by Notch interferes with liver regeneration after pHx. Sirt1 inhibition accelerates liver regeneration by abrogating Notch-driven senescence, providing a potential opportunity to target senescent cells and facilitate liver repair after injury.
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Affiliation(s)
- Juan-Li Duan
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, China
| | - Bai Ruan
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, China.,State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, China.,Center of Clinical Aerospace Medicine & Department of Aviation Medicine, Fourth Military Medical University, Xi'an, China
| | - Ping Song
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhi-Qiang Fang
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhen-Sheng Yue
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, China.,Department of Ophthalmology, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jing-Jing Liu
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, China
| | - Guo-Rui Dou
- Department of Ophthalmology, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, China
| | - Hua Han
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, China.,State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, China
| | - Lin Wang
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Fourth Military Medical University, Xi'an, China
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36
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Woo J, Shin S, Cho E, Ryu D, Garandeau D, Chajra H, Fréchet M, Park D, Jung E. Senotherapeutic-like effect of Silybum marianum flower extract revealed on human skin cells. PLoS One 2021; 16:e0260545. [PMID: 34914725 PMCID: PMC8675675 DOI: 10.1371/journal.pone.0260545] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 11/11/2021] [Indexed: 12/11/2022] Open
Abstract
Cellular senescence causes irreversible growth arrest of cells. Prolonged accumulation of senescent cells in tissues leads to increased detrimental effects due to senescence associated secretory phenotype (SASP). Recent findings suggest that elimination of senescent cells has a beneficial effect on organismal aging and lifespan. In this study, using a validated replicative senescent human dermal fibroblasts (HDFs) model, we showed that elimination of senescent cells is possible through the activation of an apoptotic mechanism. We have shown in this replicative senescence model, that cell senescence is associated with DNA damage and cell cycle arrest (p21, p53 markers). We have shown that Silybum marianum flower extract (SMFE) is a safe and selective senolytic agent targeting only senescent cells. The elimination of the cells is induced through the activation of apoptotic pathway confirmed by annexin V/propidium iodide and caspase-3/PARP staining. Moreover, SMFE suppresses the expression of SASP factors such as IL-6 and MMP-1 in senescent HDFs. In a co-culture model of senescent and young fibroblasts, we demonstrated that senescent cells impaired the proliferative capacities of young cells. Interestingly, when the co-culture is treated with SMFE, the cell proliferation rate of young cells is increased due to the decrease of the senescent burden. Moreover, we demonstrated in vitro that senescent fibroblasts trigger senescent process in normal keratinocytes through a paracrine effect. Indeed, the conditioned medium of senescent HDFs treated with SMFE reduced the level of senescence-associated beta-galactosidase (SA-β-Gal), p16INK4A and SASP factors in keratinocytes compared with CM of senescent HDFs. These results indicate that SMFE can prevent premature aging due to senescence and even reprograms aged skin. Indeed, thanks to its senolytic and senomorphic properties SMFE is a candidate for anti-senescence strategies.
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Affiliation(s)
- Jieun Woo
- BioSpectrum Life Science Institute, Yongin-si, Gyeonggi-do, Republic of Korea
| | - Seoungwoo Shin
- BioSpectrum Life Science Institute, Yongin-si, Gyeonggi-do, Republic of Korea
| | - Eunae Cho
- BioSpectrum Life Science Institute, Yongin-si, Gyeonggi-do, Republic of Korea
| | - Dehun Ryu
- BioSpectrum Life Science Institute, Yongin-si, Gyeonggi-do, Republic of Korea
| | | | | | | | - Deokhoon Park
- BioSpectrum Life Science Institute, Yongin-si, Gyeonggi-do, Republic of Korea
| | - Eunsun Jung
- BioSpectrum Life Science Institute, Yongin-si, Gyeonggi-do, Republic of Korea
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37
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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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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: 46] [Impact Index Per Article: 15.3] [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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39
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Deng J, Gutiérrez LG, Stoll G, Motiño O, Martins I, Núñez L, Bravo-San Pedro JM, Humeau J, Bordenave C, Pan J, Fohrer-Ting H, Souquere S, Pierron G, Hetz C, Villalobos C, Kroemer G, Senovilla L. Paradoxical implication of BAX/BAK in the persistence of tetraploid cells. Cell Death Dis 2021; 12:1039. [PMID: 34725331 PMCID: PMC8560871 DOI: 10.1038/s41419-021-04321-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 09/28/2021] [Accepted: 10/06/2021] [Indexed: 12/22/2022]
Abstract
Pro-apoptotic multi-domain proteins of the BCL2 family such as BAX and BAK are well known for their important role in the induction of mitochondrial outer membrane permeabilization (MOMP), which is the rate-limiting step of the intrinsic pathway of apoptosis. Human or mouse cells lacking both BAX and BAK (due to a double knockout, DKO) are notoriously resistant to MOMP and cell death induction. Here we report the surprising finding that BAX/BAK DKO cells proliferate less than control cells expressing both BAX and BAK (or either BAX or BAK) when they are driven into tetraploidy by transient exposure to the microtubule inhibitor nocodazole. Mechanistically, in contrast to their BAX/BAK-sufficient controls, tetraploid DKO cells activate a senescent program, as indicated by the overexpression of several cyclin-dependent kinase inhibitors and the activation of β-galactosidase. Moreover, DKO cells manifest alterations in ionomycin-mobilizable endoplasmic reticulum (ER) Ca2+ stores and store-operated Ca2+ entry that are affected by tetraploidization. DKO cells manifested reduced expression of endogenous sarcoplasmic/endoplasmic reticulum Ca2+ ATPase 2a (Serca2a) and transfection-enforced reintroduction of Serca2a, or reintroduction of an ER-targeted variant of BAK into DKO cells reestablished the same pattern of Ca2+ fluxes as observed in BAX/BAK-sufficient control cells. Serca2a reexpression and ER-targeted BAK also abolished the tetraploidy-induced senescence of DKO cells, placing ER Ca2+ fluxes downstream of the regulation of senescence by BAX/BAK. In conclusion, it appears that BAX/BAK prevent the induction of a tetraploidization-associated senescence program. Speculatively, this may contribute to the low incidence of cancers in BAX/BAK DKO mice and explain why human cancers rarely lose the expression of both BAX and BAK.
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Affiliation(s)
- Jiayin Deng
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Lucía G Gutiérrez
- Unidad de Excelencia Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid - CSIC, Valladolid, Spain
| | - Gautier Stoll
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Omar Motiño
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Isabelle Martins
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Lucía Núñez
- Unidad de Excelencia Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid - CSIC, Valladolid, Spain
| | - José Manuel Bravo-San Pedro
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Facultad de Medicina, Departamento de Fisiología, Universidad Complutense de Madrid, Madrid, Spain
| | - Juliette Humeau
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montreal, QC, Canada, H3C 3J7
- Department of Medicine, Université de Montréal, Montreal, QC, Canada, H3C 3J7
| | - Chloé Bordenave
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Juncheng Pan
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
| | - Hélène Fohrer-Ting
- Centre de Recherche des Cordeliers, Center for Histology, Cell Imaging and Cytometry (CHIC), Sorbonne Université, Inserm, Université de Paris, F-75006, Paris, France
| | | | - Gerard Pierron
- CNRS, UMR9196, Gustave Roussy Cancer Campus, Villejuif, France
| | - Claudio Hetz
- Faculty of Medicine, Biomedical Neuroscience Institute (BNI), University of Chile, Santiago, 8380453, Chile
- Center for Geroscience, Brain Health and Metabolism (GERO), Santiago, 7800003, Chile
- The Buck Institute for Research in Aging, Novato, CA, 94945, USA
| | - Carlos Villalobos
- Unidad de Excelencia Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid - CSIC, Valladolid, Spain.
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France.
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France.
- Pôle de Biologie, Hopitâl Européen George Pompidou, AP-HP, Paris, France.
| | - Laura Senovilla
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Equipe 11 Labellisée par la Ligue Contre le Cancer, F-75006, Paris, France.
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, Villejuif, France.
- Unidad de Excelencia Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid - CSIC, Valladolid, Spain.
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40
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Zhang M, Serna-Salas S, Damba T, Borghesan M, Demaria M, Moshage H. Hepatic stellate cell senescence in liver fibrosis: Characteristics, mechanisms and perspectives. Mech Ageing Dev 2021; 199:111572. [PMID: 34536446 DOI: 10.1016/j.mad.2021.111572] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 08/15/2021] [Accepted: 09/10/2021] [Indexed: 02/08/2023]
Abstract
Myofibroblasts play an important role in fibrogenesis. Hepatic stellate cells are the main precursors of myofibroblasts. Cellular senescence is the terminal cell fate in which proliferating cells undergo irreversible cell cycle arrest. Senescent hepatic stellate cells were identified in liver fibrosis. Senescent hepatic stellate cells display decreased collagen production and proliferation. Therefore, induction of senescence could be a protective mechanism against progression of liver fibrosis and the concept of therapy-induced senescence has been proposed to treat liver fibrosis. In this review, characteristics of senescent hepatic stellate cells and the essential signaling pathways involved in senescence are reviewed. Furthermore, the potential impact of senescent hepatic stellate cells on other liver cell types are discussed. Senescent cells are cleared by the immune system. The persistence of senescent cells can remodel the microenvironment and interact with inflammatory cells to induce aging-related dysfunction. Therefore, senolytics, a class of compounds that selectively induce death of senescent cells, were introduced as treatment to remove senescent cells and consequently decrease the disadvantageous effects of persisting senescent cells. The effects of senescent hepatic stellate cells in liver fibrosis need further investigation.
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Affiliation(s)
- Mengfan Zhang
- Dept. of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Sandra Serna-Salas
- Dept. of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Turtushikh Damba
- Dept. of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; School of Pharmacy, Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia
| | - Michaela Borghesan
- European Research Institute on the Biology of Aging (ERIBA), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Marco Demaria
- European Research Institute on the Biology of Aging (ERIBA), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Han Moshage
- Dept. of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
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41
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Ahumada-Castro U, Puebla-Huerta A, Cuevas-Espinoza V, Lovy A, Cardenas JC. Keeping zombies alive: The ER-mitochondria Ca 2+ transfer in cellular senescence. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2021; 1868:119099. [PMID: 34274397 DOI: 10.1016/j.bbamcr.2021.119099] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 04/14/2021] [Accepted: 06/18/2021] [Indexed: 01/10/2023]
Abstract
Cellular senescence generates a permanent cell cycle arrest, characterized by apoptosis resistance and a pro-inflammatory senescence-associated secretory phenotype (SASP). Physiologically, senescent cells promote tissue remodeling during development and after injury. However, when accumulated over a certain threshold as happens during aging or after cellular stress, senescent cells contribute to the functional decline of tissues, participating in the generation of several diseases. Cellular senescence is accompanied by increased mitochondrial metabolism. How mitochondrial function is regulated and what role it plays in senescent cell homeostasis is poorly understood. Mitochondria are functionally and physically coupled to the endoplasmic reticulum (ER), the major calcium (Ca2+) storage organelle in mammalian cells, through special domains known as mitochondria-ER contacts (MERCs). In this domain, the release of Ca2+ from the ER is mainly regulated by inositol 1,4,5-trisphosphate receptors (IP3Rs), a family of three Ca2+ release channels activated by a ligand (IP3). IP3R-mediated Ca2+ release is transferred to mitochondria through the mitochondrial Ca2+ uniporter (MCU), where it modulates the activity of several enzymes and transporters impacting its bioenergetic and biosynthetic function. Here, we review the possible connection between ER to mitochondria Ca2+ transfer and senescence. Understanding the pathways that contribute to senescence is essential to reveal new therapeutic targets that allow either delaying senescent cell accumulation or reduce senescent cell burden to alleviate multiple diseases.
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Affiliation(s)
- Ulises Ahumada-Castro
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago 8580745, Chile; Geroscience Center for Brain Health and Metabolism, Santiago 8580745, Chile
| | - Andrea Puebla-Huerta
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago 8580745, Chile; Geroscience Center for Brain Health and Metabolism, Santiago 8580745, Chile
| | - Victor Cuevas-Espinoza
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago 8580745, Chile; Geroscience Center for Brain Health and Metabolism, Santiago 8580745, Chile
| | - Alenka Lovy
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago 8580745, Chile; Department of Neuroscience, Center for Neuroscience Research, Tufts School of Medicine, Boston, MA, USA
| | - J Cesar Cardenas
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago 8580745, Chile; Geroscience Center for Brain Health and Metabolism, Santiago 8580745, Chile; Buck Institute for Research on Aging, Novato, CA 94945, USA; Department of Chemistry and Biochemistry, University of California, Santa Barbara, CA 93106, USA.
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42
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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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43
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Salehi S, Tavabie OD, Villanueva A, Watson J, Darling D, Quaglia A, Farzaneh F, Aluvihare VR. Regeneration linked miRNA modify tumor phenotype and can enforce multi-lineage growth arrest in vivo. Sci Rep 2021; 11:10538. [PMID: 34006907 PMCID: PMC8131690 DOI: 10.1038/s41598-021-90009-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 04/20/2021] [Indexed: 01/11/2023] Open
Abstract
Regulated cell proliferation is an effector mechanism of regeneration, whilst dysregulated cell proliferation is a feature of cancer. We have previously identified microRNA (miRNA) that regulate successful and failed human liver regeneration. We hypothesized that these regulators may directly modify tumor behavior. Here we show that inhibition of miRNAs -503 and -23a, alone or in combination, enhances tumor proliferation in hepatocyte and non-hepatocyte derived cancers in vitro, driving more aggressive tumor behavior in vivo. Inhibition of miRNA-152 caused induction of DNMT1, site-specific methylation with associated changes in gene expression and in vitro and in vivo growth inhibition. Enforced changes in expression of two miRNA recapitulating changes observed in failed regeneration led to complete growth inhibition of multi-lineage cancers in vivo. Our results indicate that regulation of regeneration and tumor aggressiveness are concordant and that miRNA-based inhibitors of regeneration may constitute a novel treatment strategy for human cancers.
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Affiliation(s)
- Siamak Salehi
- Institute of Liver Studies, King's College Hospital, London, SE5 9RS, UK
| | - Oliver D Tavabie
- Institute of Liver Studies, King's College Hospital, London, SE5 9RS, UK
| | - Augusto Villanueva
- Institute of Liver Studies, King's College Hospital, London, SE5 9RS, UK
| | - Julie Watson
- MRC and Asthma UK Centre in Allergic Mechanisms of Asthma, King's College London, Guy's Hospital, London, UK
| | - David Darling
- School of Cancer & Pharmaceutical Sciences, King's College London, Molecular Medicine Group, The Rayne Institute, 123 Coldharbour Lane, London, SE5 9NU, UK
| | - Alberto Quaglia
- Institute of Liver Studies, King's College Hospital, London, SE5 9RS, UK
| | - Farzin Farzaneh
- School of Cancer & Pharmaceutical Sciences, King's College London, Molecular Medicine Group, The Rayne Institute, 123 Coldharbour Lane, London, SE5 9NU, UK
| | - Varuna R Aluvihare
- Institute of Liver Studies, King's College Hospital, London, SE5 9RS, UK.
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Meijnikman AS, Herrema H, Scheithauer TPM, Kroon J, Nieuwdorp M, Groen AK. Evaluating causality of cellular senescence in non-alcoholic fatty liver disease. JHEP Rep 2021; 3:100301. [PMID: 34113839 PMCID: PMC8170167 DOI: 10.1016/j.jhepr.2021.100301] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 04/17/2021] [Accepted: 04/21/2021] [Indexed: 02/08/2023] Open
Abstract
Cellular senescence is a state of irreversible cell cycle arrest that has important physiological functions. However, cellular senescence is also a hallmark of ageing and has been associated with several pathological conditions. A wide range of factors including genotoxic stress, mitogens and inflammatory cytokines can induce senescence. Phenotypically, senescent cells are characterised by short telomeres, an enlarged nuclear area and damaged genomic and mitochondrial DNA. Secretion of proinflammatory proteins, also known as the senescence-associated secretory phenotype, is a characteristic of senescent cells that is thought to be the main contributor to their disease-inducing properties. In the past decade, the role of cellular senescence in the development of non-alcoholic fatty liver disease (NAFLD) and its progression towards non-alcoholic steatohepatitis (NASH) has garnered significant interest. Until recently, it was suggested that hepatocyte cellular senescence is a mere consequence of the metabolic dysregulation and inflammatory phenomena in fatty liver disease. However, recent work in rodents has suggested that senescence may be a causal factor in NAFLD development. Although causality is yet to be established in humans, current evidence suggests that targeting senescent cells has therapeutic potential for NAFLD. We aim to provide insights into the quality of the evidence supporting a causal role of cellular senescence in the development of NAFLD in rodents and humans. We will elaborate on key cellular and molecular features of senescence and discuss the efficacy and safety of novel senolytic drugs for the treatment or prevention of NAFLD.
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Key Words
- ATM, ataxia telangiectasia mutated
- C/EBPα, CCAAT- enhancer-binding protein
- CDK, cyclin dependent kinase
- DDR, DNA damage response
- FFAs, free fatty acids
- HCC, hepatocellular carcinoma
- IL-, interleukin
- KC, Kupffer cell
- LSEC, liver sinusoidal endothelial cell
- MCP1/CCL2, monocyte chemoattractant protein-1
- MiDAS, mitochondrial dysfunction-associated senescence
- NAFL, non-alcoholic fatty liver
- NAFLD, non-alcoholic fatty liver disease
- NASH, non-alcoholic steatohepatitis
- ROS, reactive oxygen species
- Rb, retinoblastoma factor
- SA-β gal, senescence-associated beta-galactosidase
- SASP, senescence-associated secretory phenotype
- SCAP, senescence-associated antiapoptotic pathways
- TGFβ, transforming growth factor-β
- TNFα, tumour necrosis factor-α
- cellular senescence
- non-alcoholic fatty liver disease
- non-alcoholic steatohepatitis
- obesity
- qPCR, quantitative PCR
- senolytics
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Affiliation(s)
- Abraham Stijn Meijnikman
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
| | - Hilde Herrema
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
| | | | - Jeffrey Kroon
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
| | - Max Nieuwdorp
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
| | - Albert Kornelis Groen
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
- Corresponding author. Address: Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, location AMC, Meibergdreef 9 room G-146, 1105AZ Amsterdam, Netherlands
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45
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Carreno G, Guiho R, Martinez‐Barbera JP. Cell senescence in neuropathology: A focus on neurodegeneration and tumours. Neuropathol Appl Neurobiol 2021; 47:359-378. [PMID: 33378554 PMCID: PMC8603933 DOI: 10.1111/nan.12689] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 12/04/2020] [Accepted: 12/13/2020] [Indexed: 01/10/2023]
Abstract
The study of cell senescence is a burgeoning field. Senescent cells can modify the cellular microenvironment through the secretion of a plethora of biologically active products referred to as the senescence-associated secretory phenotype (SASP). The consequences of these paracrine signals can be either beneficial for tissue homeostasis, if senescent cells are properly cleared and SASP activation is transient, or result in organ dysfunction, when senescent cells accumulate within the tissues and SASP activation is persistent. Several studies have provided evidence for the role of senescence and SASP in promoting age-related diseases or driving organismal ageing. The hype about senescence has been further amplified by the fact that a group of drugs, named senolytics, have been used to successfully ameliorate the burden of age-related diseases and increase health and life span in mice. Ablation of senescent cells in the brain prevents disease progression and improves cognition in murine models of neurodegenerative conditions. The role of senescence in cancer has been more thoroughly investigated, and it is now accepted that senescence is a double-edged sword that can paradoxically prevent or promote tumourigenesis in a context-dependent manner. In addition, senescence induction followed by senolytic treatment is starting to emerge as a novel therapeutic avenue that could improve current anti-cancer therapies and reduce tumour recurrence. In this review, we discuss recent findings supporting the role of cell senescence in the pathogenesis of neurodegenerative diseases and in brain tumours. A better understanding of senescence is likely to result in the development of novel and efficacious anti-senescence therapies against these brain pathologies.
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Affiliation(s)
- Gabriela Carreno
- Developmental Biology and Cancer ProgrammeBirth Defects Research CentreInstitute of Child Health Great Ormond Street HospitalUniversity College London30 Guilford StreetLondonWC1N 1EHUK
| | - Romain Guiho
- Developmental Biology and Cancer ProgrammeBirth Defects Research CentreInstitute of Child Health Great Ormond Street HospitalUniversity College London30 Guilford StreetLondonWC1N 1EHUK
| | - Juan Pedro Martinez‐Barbera
- Developmental Biology and Cancer ProgrammeBirth Defects Research CentreInstitute of Child Health Great Ormond Street HospitalUniversity College London30 Guilford StreetLondonWC1N 1EHUK
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46
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Chandra A, Rajawat J. Skeletal Aging and Osteoporosis: Mechanisms and Therapeutics. Int J Mol Sci 2021; 22:ijms22073553. [PMID: 33805567 PMCID: PMC8037620 DOI: 10.3390/ijms22073553] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 02/06/2023] Open
Abstract
Bone is a dynamic organ maintained by tightly regulated mechanisms. With old age, bone homeostasis, which is maintained by an intricate balance between bone formation and bone resorption, undergoes deregulation. Oxidative stress-induced DNA damage, cellular apoptosis, and cellular senescence are all responsible for this tissue dysfunction and the imbalance in the bone homeostasis. These cellular mechanisms have become a target for therapeutics to treat age-related osteoporosis. Genetic mouse models have shown the importance of senescent cell clearance in alleviating age-related osteoporosis. Furthermore, we and others have shown that targeting cellular senescence pharmacologically was an effective tool to alleviate age- and radiation-induced osteoporosis. Senescent cells also have an altered secretome known as the senescence associated secretory phenotype (SASP), which may have autocrine, paracrine, or endocrine function. The current review discusses the current and potential pathways which lead to a senescence profile in an aged skeleton and how bone homeostasis is affected during age-related osteoporosis. The review has also discussed existing therapeutics for the treatment of osteoporosis and rationalizes for novel therapeutic options based on cellular senescence and the SASP as an underlying pathogenesis of an aging bone.
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Affiliation(s)
- Abhishek Chandra
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55902, USA
- Department of Internal Medicine, Division of Geriatric Medicine and Gerontology, Mayo Clinic, Rochester, MN 55902, USA
- Robert and Arlene Kogod Aging Center, Mayo Clinic, Rochester, MN 55902, USA
- Correspondence: ; Tel.: +1-507-266-1847
| | - Jyotika Rajawat
- Department of Zoology, University of Lucknow, University Rd, Babuganj, Hasanganj, Lucknow, Uttar Pradesh 226007, India;
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47
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The Jekyll and Hyde of Cellular Senescence in Cancer. Cells 2021; 10:cells10020208. [PMID: 33494247 PMCID: PMC7909764 DOI: 10.3390/cells10020208] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/15/2021] [Accepted: 01/17/2021] [Indexed: 01/10/2023] Open
Abstract
Cellular senescence is a state of stable cell cycle arrest that can be triggered in response to various insults and is characterized by distinct morphological hallmarks, gene expression profiles, and the senescence-associated secretory phenotype (SASP). Importantly, cellular senescence is a key component of normal physiology with tumor suppressive functions. In the last few decades, novel cancer treatment strategies exploiting pro-senescence therapies have attracted considerable interest. Recent insight, however, suggests that therapy-induced senescence (TIS) elicits cell-autonomous and non-cell-autonomous implications that potentially entail detrimental consequences, reflecting the Jekyll and Hyde nature of cancer cell senescence. In essence, the undesirable manifestations that generally culminate in inflammation, cancer stemness, senescence reversal, therapy resistance, and disease recurrence are dictated by the persistent accumulation of senescent cells and the SASP. Thus, mitigating these pro-tumorigenic effects by eliminating these cells or inhibiting their SASP production holds great promise for developing innovative therapeutic strategies. In this review, we describe the fundamental aspects and dynamics of cancer cell senescence and summarize the comprehensive research on the adverse outcomes of TIS. Furthermore, we underline the rationale and motivation of emerging senotherapeutic modalities surrounding the removal of senescent cells and the SASP to help maximize the overall efficacy of cancer therapies.
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48
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Ferreira-Gonzalez S, Rodrigo-Torres D, Gadd VL, Forbes SJ. Cellular Senescence in Liver Disease and Regeneration. Semin Liver Dis 2021; 41:50-66. [PMID: 33764485 DOI: 10.1055/s-0040-1722262] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Cellular senescence is an irreversible cell cycle arrest implemented by the cell as a result of stressful insults. Characterized by phenotypic alterations, including secretome changes and genomic instability, senescence is capable of exerting both detrimental and beneficial processes. Accumulating evidence has shown that cellular senescence plays a relevant role in the occurrence and development of liver disease, as a mechanism to contain damage and promote regeneration, but also characterizing the onset and correlating with the extent of damage. The evidence of senescent mechanisms acting on the cell populations of the liver will be described including the role of markers to detect cellular senescence. Overall, this review intends to summarize the role of senescence in liver homeostasis, injury, disease, and regeneration.
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Affiliation(s)
| | - Daniel Rodrigo-Torres
- MRC Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Victoria L Gadd
- MRC Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Stuart J Forbes
- MRC Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom
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Moniaux N, Lacaze L, Gothland A, Deshayes A, Samuel D, Faivre J. Cyclin-dependent kinase inhibitors p21 and p27 function as critical regulators of liver regeneration following 90% hepatectomy in the rat. World J Hepatol 2020; 12:1198-1210. [PMID: 33442448 PMCID: PMC7772727 DOI: 10.4254/wjh.v12.i12.1198] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/26/2020] [Accepted: 10/28/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Liver reduction is the main curative treatment for primary liver cancer, but its use remains limited as liver regeneration requires a minimum of 30% functional parenchyma.
AIM To study the dynamics of the liver regeneration process and consequent behavior of cell cycle regulators in rats after extended hepatectomy (90%) and postoperative glucose infusions.
METHODS Post-hepatectomy liver failure was triggered in 84 Wistar rats by reducing their liver mass by 90%. The animals received a post-operative glucose infusion and were randomly assigned to two groups: One to investigate the survival rate and the other for biochemical analyses. Animals that underwent laparotomy or 70% hepatectomy were used as controls. Blood and liver samples were collected on postoperative days 1 to 7. Liver morphology, function, and regeneration were studied with histology, immunohistochemistry, and western blotting.
RESULTS Postoperative mortality after major resection reached 20% and 55% in the first 24 h and 48 h, respectively, with an overall total of 70% 7 d after surgery. No apparent signs of apoptotic cell death were detected in the extended hepatectomy rat livers, but hepatocytes displaying a clear cytoplasm and an accumulation of hyaline material testified to changes affecting their functional activities. Liver regeneration started properly, as early events initiating cell proliferation occurred within the first 3 h, and the G1 to S transition was detected in less than 12 h. However, a rise in p27 (Kip1) followed by p21 (Waf1/Cip1) cell cycle inhibitor levels led to a delayed S phase progression and mitosis. Overall, liver regeneration in rats with a 90% hepatectomy was delayed by 24 h and associated with a delayed onset and lower peak magnitude of hepatocellular deoxyribonucleic acid synthesis.
CONCLUSION This work highlights the critical importance of the cyclin/cyclin-dependent kinase inhibitors of the Cip/Kip family in regulating the liver regeneration timeline following extended hepatectomy.
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Affiliation(s)
- Nicolas Moniaux
- INSERM, U1193, Paul-Brousse University Hospital, Hepatobiliary Centre, Villejuif 94800, France
- Université Paris-Saclay, Faculté de Médecine Le Kremlin, Bicêtre 94270, France
| | - Laurence Lacaze
- INSERM, U1193, Paul-Brousse University Hospital, Hepatobiliary Centre, Villejuif 94800, France
- Université Paris-Saclay, Faculté de Médecine Le Kremlin, Bicêtre 94270, France
| | - Adélie Gothland
- INSERM, U1193, Paul-Brousse University Hospital, Hepatobiliary Centre, Villejuif 94800, France
- Université Paris-Saclay, Faculté de Médecine Le Kremlin, Bicêtre 94270, France
| | - Alice Deshayes
- INSERM, U1193, Paul-Brousse University Hospital, Hepatobiliary Centre, Villejuif 94800, France
- Université Paris-Saclay, Faculté de Médecine Le Kremlin, Bicêtre 94270, France
| | - Didier Samuel
- INSERM, U1193, Paul-Brousse University Hospital, Hepatobiliary Centre, Villejuif 94800, France
- Université Paris-Saclay, Faculté de Médecine Le Kremlin, Bicêtre 94270, France
| | - Jamila Faivre
- INSERM, U1193, Paul-Brousse University Hospital, Hepatobiliary Centre, Villejuif 94800, France
- Université Paris-Saclay, Faculté de Médecine Le Kremlin, Bicêtre 94270, France
- Department of Pôle de Biologie Médicale, Laboratoire d’Onco-Hématologie, Assistance Publique-Hôpitaux de Paris (AP-HP), Paul-Brousse University Hospital, Villejuif 94800, France
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50
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Ow JR, Cadez MJ, Zafer G, Foo JC, Li HY, Ghosh S, Wollmann H, Cazenave-Gassiot A, Ong CB, Wenk MR, Han W, Choi H, Kaldis P. Remodeling of whole-body lipid metabolism and a diabetic-like phenotype caused by loss of CDK1 and hepatocyte division. eLife 2020; 9:63835. [PMID: 33345777 PMCID: PMC7771968 DOI: 10.7554/elife.63835] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 12/19/2020] [Indexed: 12/13/2022] Open
Abstract
Cell cycle progression and lipid metabolism are well-coordinated processes required for proper cell proliferation. In liver diseases that arise from dysregulated lipid metabolism, hepatocyte proliferation is diminished. To study the outcome of CDK1 loss and blocked hepatocyte proliferation on lipid metabolism and the consequent impact on whole-body physiology, we performed lipidomics, metabolomics, and RNA-seq analyses on a mouse model. We observed reduced triacylglycerides in liver of young mice, caused by oxidative stress that activated FOXO1 to promote the expression of Pnpla2/ATGL. Additionally, we discovered that hepatocytes displayed malfunctioning β-oxidation, reflected by increased acylcarnitines (ACs) and reduced β-hydroxybutyrate. This led to elevated plasma free fatty acids (FFAs), which were transported to the adipose tissue for storage and triggered greater insulin secretion. Upon aging, chronic hyperinsulinemia resulted in insulin resistance and hepatic steatosis through activation of LXR. Here, we demonstrate that loss of hepatocyte proliferation is not only an outcome but also possibly a causative factor for liver pathology.
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Affiliation(s)
- Jin Rong Ow
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), Singapore, Singapore
| | - Matias J Cadez
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), Singapore, Singapore.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Gözde Zafer
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), Singapore, Singapore.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Juat Chin Foo
- Singapore Lipidomics Incubator (SLING), Life Sciences Institute, National University of Singapore (NUS), Singapore, Singapore
| | - Hong Yu Li
- Laboratory of Metabolic Medicine, Singapore Bioimaging Consortium (SBIC), A*STAR, Singapore, Singapore
| | - Soumita Ghosh
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Heike Wollmann
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), Singapore, Singapore
| | - Amaury Cazenave-Gassiot
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore.,Singapore Lipidomics Incubator (SLING), Life Sciences Institute, National University of Singapore (NUS), Singapore, Singapore
| | - Chee Bing Ong
- Biological Resource Centre (BRC), A*STAR, Singapore, Singapore
| | - Markus R Wenk
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore.,Singapore Lipidomics Incubator (SLING), Life Sciences Institute, National University of Singapore (NUS), Singapore, Singapore
| | - Weiping Han
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), Singapore, Singapore.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore.,Laboratory of Metabolic Medicine, Singapore Bioimaging Consortium (SBIC), A*STAR, Singapore, Singapore
| | - Hyungwon Choi
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Philipp Kaldis
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), Singapore, Singapore.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore.,Department of Clinical Sciences, Lund University, Clinical Research Centre (CRC), Malmö, Sweden
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