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Munk R, Anerillas C, Rossi M, Tsitsipatis D, Martindale JL, Herman AB, Yang JH, Roberts JA, Varma VR, Pandey PR, Thambisetty M, Gorospe M, Abdelmohsen K. Acid ceramidase promotes senescent cell survival. Aging (Albany NY) 2021; 13:15750-15769. [PMID: 34102611 PMCID: PMC8266329 DOI: 10.18632/aging.203170] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 05/18/2021] [Indexed: 01/18/2023]
Abstract
Cellular senescence is linked to chronic age-related diseases including atherosclerosis, diabetes, and neurodegeneration. Compared to proliferating cells, senescent cells express distinct subsets of proteins. In this study, we used cultured human diploid fibroblasts rendered senescent through replicative exhaustion or ionizing radiation to identify proteins differentially expressed during senescence. We identified acid ceramidase (ASAH1), a lysosomal enzyme that cleaves ceramide into sphingosine and fatty acid, as being highly elevated in senescent cells. This increase in ASAH1 levels in senescent cells was associated with a rise in the levels of ASAH1 mRNA and a robust increase in ASAH1 protein stability. Furthermore, silencing ASAH1 in pre-senescent fibroblasts decreased the levels of senescence proteins p16, p21, and p53, and reduced the activity of the senescence-associated β-galactosidase. Interestingly, depletion of ASAH1 in pre-senescent cells sensitized these cells to the senolytics Dasatinib and Quercetin (D+Q). Together, our study indicates that ASAH1 promotes senescence, protects senescent cells, and confers resistance against senolytic drugs. Given that inhibiting ASAH1 sensitizes cells towards senolysis, this enzyme represents an attractive therapeutic target in interventions aimed at eliminating senescent cells.
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Affiliation(s)
- Rachel Munk
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Carlos Anerillas
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Martina Rossi
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Dimitrios Tsitsipatis
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Jennifer L Martindale
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Allison B Herman
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Jen-Hao Yang
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Jackson A Roberts
- Laboratory of Behavioral Neuroscience, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Vijay R Varma
- Laboratory of Behavioral Neuroscience, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Poonam R Pandey
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Madhav Thambisetty
- Laboratory of Behavioral Neuroscience, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Myriam Gorospe
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Kotb Abdelmohsen
- Laboratory of Genetics and Genomics, National Institute on Aging-Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
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52
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Thompson SD, Pichika R, Lieber RL, Lavasani M. Systemic transplantation of adult multipotent stem cells prevents articular cartilage degeneration in a mouse model of accelerated ageing. Immun Ageing 2021; 18:27. [PMID: 34098983 PMCID: PMC8183038 DOI: 10.1186/s12979-021-00239-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 05/26/2021] [Indexed: 01/13/2023]
Abstract
BACKGROUND Osteoarthritis (OA) is one of the most prevalent joint diseases of advanced age and is a leading cause of disability worldwide. Ageing is a major risk factor for the articular cartilage (AC) degeneration that leads to OA, and the age-related decline in regenerative capacity accelerates OA progression. Here we demonstrate that systemic transplantation of a unique population of adult multipotent muscle-derived stem/progenitor cells (MDSPCs), isolated from young wild-type mice, into Zmpste24-/- mice (a model of Hutchinson-Gilford progeria syndrome, a condition marked by accelerated ageing), prevents ageing-related homeostatic decline of AC. RESULTS MDSPC treatment inhibited expression of cartilage-degrading factors such as pro-inflammatory cytokines and extracellular matrix-proteinases, whereas pro-regenerative markers associated with cartilage mechanical support and tensile strength, cartilage resilience, chondrocyte proliferation and differentiation, and cartilage growth, were increased. Notably, MDSPC transplantation also increased the expression level of genes known for their key roles in immunomodulation, autophagy, stress resistance, pro-longevity, and telomere protection. Our findings also indicate that MDSPC transplantation increased proteoglycan content by regulating chondrocyte proliferation. CONCLUSIONS Together, these findings demonstrate the ability of systemically transplanted young MDSPCs to preserve a healthy homeostasis and promote tissue regeneration at the molecular and tissue level in progeroid AC. These results highlight the therapeutic potential of systemically delivered multipotent adult stem cells to prevent age-associated AC degeneration.
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Affiliation(s)
- Seth D Thompson
- Shirley Ryan Abilitylab (Formerly the Rehabilitation Institute of Chicago), 355 E. Erie St, IL, 60611, Chicago, USA
- Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, USA
- Northwestern University Interdepartmental Neuroscience (NUIN) Graduate Program, Northwestern University, Chicago, USA
| | - Rajeswari Pichika
- Shirley Ryan Abilitylab (Formerly the Rehabilitation Institute of Chicago), 355 E. Erie St, IL, 60611, Chicago, USA
- Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, USA
| | - Richard L Lieber
- Shirley Ryan Abilitylab (Formerly the Rehabilitation Institute of Chicago), 355 E. Erie St, IL, 60611, Chicago, USA
- Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, USA
| | - Mitra Lavasani
- Shirley Ryan Abilitylab (Formerly the Rehabilitation Institute of Chicago), 355 E. Erie St, IL, 60611, Chicago, USA.
- Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, USA.
- Northwestern University Interdepartmental Neuroscience (NUIN) Graduate Program, Northwestern University, Chicago, USA.
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53
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Liberale L, Montecucco F, Tardif JC, Libby P, Camici GG. Inflamm-ageing: the role of inflammation in age-dependent cardiovascular disease. Eur Heart J 2021; 41:2974-2982. [PMID: 32006431 DOI: 10.1093/eurheartj/ehz961] [Citation(s) in RCA: 172] [Impact Index Per Article: 57.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 09/10/2019] [Accepted: 01/09/2020] [Indexed: 12/12/2022] Open
Abstract
The ongoing worldwide increase in life expectancy portends a rising prevalence of age-related cardiovascular (CV) diseases in the coming decades that demands a deeper understanding of their molecular mechanisms. Inflammation has recently emerged as an important contributor for CV disease development. Indeed, a state of chronic sterile low-grade inflammation characterizes older organisms (also known as inflamm-ageing) and participates pivotally in the development of frailty, disability, and most chronic degenerative diseases including age-related CV and cerebrovascular afflictions. Due to chronic activation of inflammasomes and to reduced endogenous anti-inflammatory mechanisms, inflamm-ageing contributes to the activation of leucocytes, endothelial, and vascular smooth muscle cells, thus accelerating vascular ageing and atherosclerosis. Furthermore, inflamm-ageing promotes the development of catastrophic athero-thrombotic complications by enhancing platelet reactivity and predisposing to plaque rupture and erosion. Thus, inflamm-ageing and its contributors or molecular mediators might furnish targets for novel therapeutic strategies that could promote healthy ageing and conserve resources for health care systems worldwide. Here, we discuss recent findings in the pathophysiology of inflamm-ageing, the impact of these processes on the development of age-related CV diseases, results from clinical trials targeting its components and the potential implementation of these advances into daily clinical practice.
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Affiliation(s)
- Luca Liberale
- Center for Molecular Cardiology, University of Zürich, Wagistrasse 12, Schlieren CH-8952, Switzerland.,Department of Internal Medicine, First Clinic of Internal Medicine, University of Genoa, v.le Benedetto XV 10, 16132 Genoa, Italy
| | - Fabrizio Montecucco
- IRCCS Ospedale Policlinico San Martino Genoa - Italian Cardiovascular Network, L.go Rosanna Benzi 10, 16132 Genoa, Italy.,First Clinic of Internal Medicine, Department of Internal Medicine and Centre of Excellence for Biomedical Research (CEBR), University of Genoa, v.le Benedetto XV 10, 16132 Genoa, Italy
| | - Jean-Claude Tardif
- Montreal Heart Institute, Université de Montreal, Rue Bélanger 5000, Montreal, QC H1T 1C8, Canada
| | - Peter Libby
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Francis Street 75, Boston, MA 02115, USA
| | - Giovanni G Camici
- Center for Molecular Cardiology, University of Zürich, Wagistrasse 12, Schlieren CH-8952, Switzerland.,Department of Cardiology, University Heart Center, University Hospital Zurich, Rämistrasse 100, 8091 Zurich, Switzerland.,Department of Research and Education, University Hospital Zurich, Rämistrasse 100, 8091 Zurich, Switzerland
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54
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Leucine Reconstitutes Phagocytosis-Induced Cell Death in E. coli-Infected Neonatal Monocytes-Effects on Energy Metabolism and mTOR Signaling. Int J Mol Sci 2021; 22:ijms22084271. [PMID: 33924101 PMCID: PMC8074332 DOI: 10.3390/ijms22084271] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/14/2021] [Accepted: 04/16/2021] [Indexed: 12/17/2022] Open
Abstract
MΦ differentiate from circulating monocytes (Mo). The reduced ability of neonatal Mo to undergo apoptosis after E. coli infection (phagocytosis-induced cell death (PICD)) could contribute to sustained inflammatory processes. The objective of our study was to investigate whether immune metabolism in Mo can be modified to gain access to pro-apoptotic signaling. To this end, we supplemented Mo from neonates and from adults with the branched amino acid leucine. In neonatal Mo, we observed increased energy production via oxidative phosphorylation (Oxphos) after E. coli infection via Seahorse assay. Leucine did not change phagocytic properties. In neonatal Mo, we detected temporal activation of the AKT and mTOR pathways, accompanied with subsequent activation of downstream targets S6 Kinase (S6K) and S6. FACS analyses showed that once mTOR activation was terminated, the level of anti-apoptotic BCL-2 family proteins (BCL-2; BCL-XL) decreased. Release of cytochrome C and cleavage of caspase-3 indicated involvement of the intrinsic apoptotic pathway. Concomitantly, the PICD of neonatal Mo was initiated, as detected by hypodiploid DNA. This process was sensitive to rapamycin and metformin, suggesting a functional link between AKT, mTOR and the control of intrinsic apoptotic signaling. These features were unique to neonatal Mo and could not be observed in adult Mo. Supplementation with leucine therefore could be beneficial to reduce sustained inflammation in septic neonates.
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55
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Kumari R, Jat P. Mechanisms of Cellular Senescence: Cell Cycle Arrest and Senescence Associated Secretory Phenotype. Front Cell Dev Biol 2021; 9:645593. [PMID: 33855023 PMCID: PMC8039141 DOI: 10.3389/fcell.2021.645593] [Citation(s) in RCA: 631] [Impact Index Per Article: 210.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 02/16/2021] [Indexed: 01/10/2023] Open
Abstract
Cellular senescence is a stable cell cycle arrest that can be triggered in normal cells in response to various intrinsic and extrinsic stimuli, as well as developmental signals. Senescence is considered to be a highly dynamic, multi-step process, during which the properties of senescent cells continuously evolve and diversify in a context dependent manner. It is associated with multiple cellular and molecular changes and distinct phenotypic alterations, including a stable proliferation arrest unresponsive to mitogenic stimuli. Senescent cells remain viable, have alterations in metabolic activity and undergo dramatic changes in gene expression and develop a complex senescence-associated secretory phenotype. Cellular senescence can compromise tissue repair and regeneration, thereby contributing toward aging. Removal of senescent cells can attenuate age-related tissue dysfunction and extend health span. Senescence can also act as a potent anti-tumor mechanism, by preventing proliferation of potentially cancerous cells. It is a cellular program which acts as a double-edged sword, with both beneficial and detrimental effects on the health of the organism, and considered to be an example of evolutionary antagonistic pleiotropy. Activation of the p53/p21WAF1/CIP1 and p16INK4A/pRB tumor suppressor pathways play a central role in regulating senescence. Several other pathways have recently been implicated in mediating senescence and the senescent phenotype. Herein we review the molecular mechanisms that underlie cellular senescence and the senescence associated growth arrest with a particular focus on why cells stop dividing, the stability of the growth arrest, the hypersecretory phenotype and how the different pathways are all integrated.
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Affiliation(s)
- Ruchi Kumari
- MRC Prion Unit at UCL, UCL Institute of Prion Diseases, London, United Kingdom
| | - Parmjit Jat
- MRC Prion Unit at UCL, UCL Institute of Prion Diseases, London, United Kingdom
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56
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Ghamar Talepoor A, Khosropanah S, Doroudchi M. Partial recovery of senescence in circulating follicular helper T cells after Dasatinib treatment. Int Immunopharmacol 2021; 94:107465. [PMID: 33631598 DOI: 10.1016/j.intimp.2021.107465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/31/2021] [Accepted: 02/01/2021] [Indexed: 01/01/2023]
Abstract
Cellular senescence is an irreversible arrest of cell proliferation triggered by different stimuli, including DNA damage, telomere shortening and oncogenic stress. Senescent cells, by releasing the senescence-associated-secretory-phenotype (SASP), contribute to various diseases pathogenesis. Human atherosclerotic plaque contains cells with multiple markers of senescence that associate with disease severity. We characterized the frequency of senescent cTfh cells and genes expressions before and after treatment with Dasatinib in patients with different degrees of stenosis. Twelve high (≥50%), and twelve low (<50%) stenosis patients and six healthy controls were enrolled. The percentage of senescent CD3+CD4+CXCR5+CD153+CD57+ cells was significantly decreased in Dasatinib treated cells from individuals with low and high stenosis (P = 0.0007 and P = 0.0002, respectively). However, the frequency of total lymphocytes, CD3+ and CD4+ T cells were not significantly different between the groups before and after treatment. The expression levels of P53 (P = 0.0003 and P = 0.0001), P16 (P = 0.0005 and P = 0.0002), p21 (P = 0.0002 and P < 0.0001), SENEX (P = 0.0005 and P < 0.0001) and BCL-2 (P = 0.0005 and P = 0.0002) were decreased in PBMCs of low and high stenosis groups after treatment with Dasatinib, respectively. The percentage of senescent cTfh cells positively correlated with cholesterol (P = 0.034; r = 0.671), C-reactive protein (CRP) (P = 0.029; r = 0.707), Erythrocyte sedimentation rate (ESR) levels (P = 0.030; r = 0.598) and neutrophil counts (P = 0.021; r = 0.799) in patients with high stenosis. The decreased frequency of senescent cTfh cells and the expression levels of senescence genes after Dasatinib treatment in patients with atherosclerosis suggest a role for Dasatinib in partial clearance or rejuvenation of senescent cTfh cells, which may decrease inflammatory mediators and attenuate disease progression.
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Affiliation(s)
- Atefe Ghamar Talepoor
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Shahdad Khosropanah
- Department of Cardiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehrnoosh Doroudchi
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
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57
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Functional heterogeneity in senescence. Biochem Soc Trans 2021; 48:765-773. [PMID: 32369550 PMCID: PMC7329341 DOI: 10.1042/bst20190109] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 04/06/2020] [Accepted: 04/08/2020] [Indexed: 12/22/2022]
Abstract
Senescence is a tumour suppressor mechanism which is cell-intrinsically activated in the context of cellular stress. Senescence can further be propagated to neighbouring cells, a process called secondary senescence induction. Secondary senescence was initially shown as a paracrine response to the secretion of cytokines from primary senescent cells. More recently, juxtacrine Notch signalling has been implicated in mediating secondary senescence induction. Primary and secondary senescent induction results in distinct transcriptional outcomes. In addition, cell type and the stimulus in which senescence is induced can lead to variations in the phenotype of the senescence response. It is unclear whether heterogeneous senescent end-points are associated with distinct cellular function in situ, presenting functional heterogeneity. Thus, understanding senescence heterogeneity could prove to be important when devising ways of targeting senescent cells by senolytics, senostatics or senogenics. In this review, we discuss a role for functional heterogeneity in senescence in tissue- and cell-type specific manners, highlighting potential differences in senescence outcomes of primary and secondary senescence.
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58
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Lozano-Torres B, Blandez JF, Galiana I, Lopez-Dominguez JA, Rovira M, Paez-Ribes M, González-Gualda E, Muñoz-Espín D, Serrano M, Sancenón F, Martínez-Máñez R. A Two-Photon Probe Based on Naphthalimide-Styrene Fluorophore for the In Vivo Tracking of Cellular Senescence. Anal Chem 2021; 93:3052-3060. [PMID: 33502178 PMCID: PMC8719760 DOI: 10.1021/acs.analchem.0c05447] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 01/18/2021] [Indexed: 02/06/2023]
Abstract
Cellular senescence is a state of stable cell cycle arrest that can negatively affect the regenerative capacities of tissues and can contribute to inflammation and the progression of various aging-related diseases. Advances in the in vivo detection of cellular senescence are still crucial to monitor the action of senolytic drugs and to assess the early onset or accumulation of senescent cells. Here, we describe a naphthalimide-styrene-based probe (HeckGal) for the detection of cellular senescence both in vitro and in vivo. HeckGal is hydrolyzed by the increased lysosomal β-galactosidase activity of senescent cells, resulting in fluorescence emission. The probe was validated in vitro using normal human fibroblasts and various cancer cell lines undergoing senescence induced by different stress stimuli. Remarkably, HeckGal was also validated in vivo in an orthotopic breast cancer mouse model treated with senescence-inducing chemotherapy and in a renal fibrosis mouse model. In all cases, HeckGal allowed the unambiguous detection of senescence in vitro as well as in tissues and tumors in vivo. This work is expected to provide a potential technology for senescence detection in aged or damaged tissues.
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Affiliation(s)
- Beatriz Lozano-Torres
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Universitat
Politècnica de València-Universitat de València, Camí de Vera S/ N, Valencia 46022 Spain
- Unidad
Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades
y Nanomedicina, Universitat Politècnica
de València, Centro
de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera
3, Valencia 46012, Spain
- CIBER
de Bioingeniería, Biomateriales y
Nanomedicina (CIBER-BBN), Av. Monforte de Lemos, 3-5. Pabellón 11. Planta 0, Madrid 28029, Spain
- Unidad
Mixta de Investigación en Nanomedicina y Sensores. Universitat Politècnica de València, IIS La Fe, Av. Fernando Abril Martorell,
10, Torre A 7a̲ planta, Valencia 46026, Spain
| | - Juan F Blandez
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Universitat
Politècnica de València-Universitat de València, Camí de Vera S/ N, Valencia 46022 Spain
- Unidad
Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades
y Nanomedicina, Universitat Politècnica
de València, Centro
de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera
3, Valencia 46012, Spain
- Unidad
Mixta de Investigación en Nanomedicina y Sensores. Universitat Politècnica de València, IIS La Fe, Av. Fernando Abril Martorell,
10, Torre A 7a̲ planta, Valencia 46026, Spain
| | - Irene Galiana
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Universitat
Politècnica de València-Universitat de València, Camí de Vera S/ N, Valencia 46022 Spain
- Unidad
Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades
y Nanomedicina, Universitat Politècnica
de València, Centro
de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera
3, Valencia 46012, Spain
- CIBER
de Bioingeniería, Biomateriales y
Nanomedicina (CIBER-BBN), Av. Monforte de Lemos, 3-5. Pabellón 11. Planta 0, Madrid 28029, Spain
- Unidad
Mixta de Investigación en Nanomedicina y Sensores. Universitat Politècnica de València, IIS La Fe, Av. Fernando Abril Martorell,
10, Torre A 7a̲ planta, Valencia 46026, Spain
| | - José A Lopez-Dominguez
- Institute
for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology (BIST), Carrer de Baldiri Reixac, 10, Barcelona 08028, Spain
| | - Miguel Rovira
- Institute
for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology (BIST), Carrer de Baldiri Reixac, 10, Barcelona 08028, Spain
| | - Marta Paez-Ribes
- CRUK Cancer
Centre Early Detection Programme, Department of Oncology, University of Cambridge, Hutchison/MRC Research Centre, Box 197, Cambridge CB2 0XZ, U.K.
| | - Estela González-Gualda
- CRUK Cancer
Centre Early Detection Programme, Department of Oncology, University of Cambridge, Hutchison/MRC Research Centre, Box 197, Cambridge CB2 0XZ, U.K.
| | - Daniel Muñoz-Espín
- CRUK Cancer
Centre Early Detection Programme, Department of Oncology, University of Cambridge, Hutchison/MRC Research Centre, Box 197, Cambridge CB2 0XZ, U.K.
| | - Manuel Serrano
- Institute
for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology (BIST), Carrer de Baldiri Reixac, 10, Barcelona 08028, Spain
- Catalan
Institution for Research and Advanced Studies (ICREA), Passeig Lluís Companys 23, 08010 Barcelona, Spain
| | - Félix Sancenón
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Universitat
Politècnica de València-Universitat de València, Camí de Vera S/ N, Valencia 46022 Spain
- Unidad
Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades
y Nanomedicina, Universitat Politècnica
de València, Centro
de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera
3, Valencia 46012, Spain
- CIBER
de Bioingeniería, Biomateriales y
Nanomedicina (CIBER-BBN), Av. Monforte de Lemos, 3-5. Pabellón 11. Planta 0, Madrid 28029, Spain
- Unidad
Mixta de Investigación en Nanomedicina y Sensores. Universitat Politècnica de València, IIS La Fe, Av. Fernando Abril Martorell,
10, Torre A 7a̲ planta, Valencia 46026, Spain
| | - Ramón Martínez-Máñez
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Universitat
Politècnica de València-Universitat de València, Camí de Vera S/ N, Valencia 46022 Spain
- Unidad
Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades
y Nanomedicina, Universitat Politècnica
de València, Centro
de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera
3, Valencia 46012, Spain
- CIBER
de Bioingeniería, Biomateriales y
Nanomedicina (CIBER-BBN), Av. Monforte de Lemos, 3-5. Pabellón 11. Planta 0, Madrid 28029, Spain
- Unidad
Mixta de Investigación en Nanomedicina y Sensores. Universitat Politècnica de València, IIS La Fe, Av. Fernando Abril Martorell,
10, Torre A 7a̲ planta, Valencia 46026, Spain
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59
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Connective Tissue and Fibroblast Senescence in Skin Aging. J Invest Dermatol 2021; 141:985-992. [PMID: 33563466 DOI: 10.1016/j.jid.2020.11.010] [Citation(s) in RCA: 104] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/28/2020] [Accepted: 11/11/2020] [Indexed: 02/06/2023]
Abstract
There is increasing evidence that skin aging is significantly enforced by the accumulation of senescent dermal fibroblasts. Various stressors damaging macromolecules inside and outside fibroblasts are responsible. In addition, NK cells fail to adequately remove senescent (SEN) fibroblasts from tissues. SEN fibroblasts by the release of the proinflammatory, tissue degrading senescent-associated secretory phenotype factors and vesicles with distinct cargo impact on their endogenous niche and spread senescence and skin aging. In this review, we will further discuss less noticed facets, including the plasticity of distinct dermal fibroblast phenotypes, the underestimated impact of the extracellular matrix itself, and the depletion of fibroblast subsets on skin homeostasis and aging.
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60
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Bcl-xL as a Modulator of Senescence and Aging. Int J Mol Sci 2021; 22:ijms22041527. [PMID: 33546395 PMCID: PMC7913597 DOI: 10.3390/ijms22041527] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 01/27/2021] [Accepted: 01/29/2021] [Indexed: 02/06/2023] Open
Abstract
Many features of aging result from the incapacity of cells to adapt to stress conditions. When cells are overwhelmed by stress, they can undergo senescence to avoid unrestricted growth of damaged cells. Recent findings have proven that cellular senescence is more than that. A specific grade of senescence promotes embryo development, tissue remodeling and wound healing. However, constant stresses and a weakening immune system can lead to senescence chronicity with aging. The accumulation of senescent cells is directly related to tissue dysfunction and age-related pathologies. Centenarians, the most aged individuals, should accumulate senescent cells and suffer from their deleterious effects, however, they enjoy a compression of morbidity. We have shown that they overexpress B-cell lymphoma-extra large (Bcl-xL). Bcl-xL could avoid an excessive burden of senescent cells through the regulation of intrinsic apoptosis, mitochondrial bioenergetics and oxidative stress. On the other hand, Bcl-xL maintains a fully functional immune system that ensures an efficient clearance of senescent cells. Moreover, there is a paradox, as inhibitors of Bcl-xL have been employed as senolytic agents, which have been shown to protect from aging in animal models. In this review, we aim to discuss how Bcl-xL could modulate senescence-associated harmful effects in centenarians, protecting them from the burden of accumulation of senescent cells.
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61
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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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Senescence under appraisal: hopes and challenges revisited. Cell Mol Life Sci 2021; 78:3333-3354. [PMID: 33439271 PMCID: PMC8038995 DOI: 10.1007/s00018-020-03746-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/20/2020] [Accepted: 12/17/2020] [Indexed: 02/06/2023]
Abstract
In recent years, cellular senescence has become the focus of attention in multiple areas of biomedical research. Typically defined as an irreversible cell cycle arrest accompanied by increased cellular growth, metabolic activity and by a characteristic messaging secretome, cellular senescence can impact on multiple physiological and pathological processes such as wound healing, fibrosis, cancer and ageing. These unjustly called 'zombie cells' are indeed a rich source of opportunities for innovative therapeutic development. In this review, we collate the current understanding of the process of cellular senescence and its two-faced nature, i.e. beneficial/detrimental, and reason this duality is linked to contextual aspects. We propose the senescence programme as an endogenous pro-resolving mechanism that may lead to sustained inflammation and damage when dysregulated or when senescent cells are not cleared efficiently. This pro-resolving model reconciles the paradoxical two faces of senescence by emphasising that it is the unsuccessful completion of the programme, and not senescence itself, what leads to pathology. Thus, pro-senescence therapies under the right context, may favour inflammation resolution. We also review the evidence for the multiple therapeutic approaches under development based on senescence, including its induction, prevention, clearance and the use of senolytic and senomorphic drugs. In particular, we highlight the importance of the immune system in the favourable outcome of senescence and the implications of an inefficient immune surveillance in completion of the senescent cycle. Finally, we identify and discuss a number of challenges and existing gaps to encourage and stimulate further research in this exciting and unravelled field, with the hope of promoting and accelerating the clinical success of senescence-based therapies.
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63
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Cho HM, Lee YR, Lee BW, Zhang M, Ryu B, Nghiem DT, Pham HTT, Oh WK. Phenolic Constituents of the Roots of Rhamnoneuron balansae with Senolytic Activity. JOURNAL OF NATURAL PRODUCTS 2020; 83:3661-3670. [PMID: 33256407 DOI: 10.1021/acs.jnatprod.0c00885] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
With the advent of senolytic agents capable of selectively removing senescent cells in old tissues, the perception of age-associated diseases has been changing from being an inevitable to a preventable phenomenon of human life. In the search for materials with senolytic activity from natural products, six new flavonostilbenes (1-6), three new phenylethylchromanones (7-9), three new phenylethylchromones (10-12), and four known compounds (13-16) were isolated from the roots of Rhamnoneuron balansae. The chemical structures of these isolated compounds were determined based on the interpretation of spectroscopic data, including 1D and 2D NMR, ECD, and HRMS. The absolute configuration of compound 1 was also determined by a Mosher ester analysis and ECD calculations. Compounds 6-8 were shown to selectively destroy senescent cells, and the promoter activity of p16INK4A, a representative senescence marker, was reduced significantly by compound 6. The present results suggest the potential activity of flavonostilbene and phenylethylchromanone skeletons from R. balansae as new senolytics.
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Affiliation(s)
- Hyo-Moon Cho
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Yae-Rin Lee
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Ba-Wool Lee
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Mi Zhang
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Byeol Ryu
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Du-Trong Nghiem
- Department of Botany, Hanoi University of Pharmacy, Hanoi, Vietnam
| | | | - Won-Keun Oh
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
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Li X, Yang K, Gao S, Zhao J, Liu G, Chen Y, Lin H, Zhao W, Hu Z, Xu N. Carnosine Stimulates Macrophage-Mediated Clearance of Senescent Skin Cells Through Activation of the AKT2 Signaling Pathway by CD36 and RAGE. Front Pharmacol 2020; 11:593832. [PMID: 33390976 PMCID: PMC7772392 DOI: 10.3389/fphar.2020.593832] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 10/30/2020] [Indexed: 01/10/2023] Open
Abstract
Background: Macrophages can selectively recognize and eliminate senescent cells, but this function is impaired with age, resulting in excessive accumulation of senescent cells in the skin, which ultimately causes skin aging. Therefore, enhancing the immune surveillance ability of macrophages to clear senescent keratinocytes and fibroblasts from aging skin may be an effective skin rejuvenation strategy. Methods: In this study, a macrophage and senescent skin cell co-culture model was established whereby THP-1-derived macrophages and tert-butyl hydroxide-induced senescent skin cells (HaCaT and HFF-1) were grown in the same culture. Senescent skin cells were detected by the SPiDER-βgal assay, and the expression of secretory phenotype factors related to senescence was assayed by qPCR. The effect of carnosine on the number of SA-β-gal positive skin cells in the macrophage-senescent skin cell co-culture was evaluated and compared with that in the senescent skin cell monoculture. Results: Carnosine promoted macrophage-mediated elimination of senescent skin cells in the co-culture. Through the AKT2 signaling pathway, carnosine upregulated the expression of CD36 and receptors for advanced glycation end products and elevated the phagocytic capacity of the macrophages, thereby promoting the ability of the macrophages to eliminate the senescent skin cells. Conclusions: Carnosine could boost the immune surveillance ability of macrophages to clear senescent keratinocytes and fibroblasts in the macrophage-senescent skin cell co-culture by activating the AKT2 signaling pathway, suggesting the possibility of using carnosine as an agent to reverse skin aging.
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Affiliation(s)
- Xuenan Li
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Kaiye Yang
- Infinitus (China) Company Ltd., Guangzhou, China
| | - Shuang Gao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jungang Zhao
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | | | - Yu Chen
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Haojie Lin
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Wengang Zhao
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Zhenlin Hu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Nuo Xu
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
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Adamczyk-Grochala J, Lewinska A. Nano-Based Theranostic Tools for the Detection and Elimination of Senescent Cells. Cells 2020; 9:E2659. [PMID: 33322013 PMCID: PMC7764355 DOI: 10.3390/cells9122659] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/05/2020] [Accepted: 12/07/2020] [Indexed: 12/12/2022] Open
Abstract
The progressive accumulation of apoptosis-resistant and secretory active senescent cells (SCs) in animal and human aged tissues may limit lifespan and healthspan and lead to age-related diseases such as cancer, neurodegenerative disorders, and metabolic syndrome. Thus, SCs are suggested targets in anti-aging therapy. In the last two decades, a number of nanomaterials have gained much attention as innovative tools in theranostic applications due to their unique properties improving target visualization, drug and gene delivery, controlled drug release, effective diagnosis, and successful therapy. Although the healthcare industry has focused on a plethora of applications of nanomaterials, it remains elusive how nanomaterials may modulate cellular senescence, a hallmark of aging. In this review paper, we consider novel nanotechnology-based strategies for healthspan promotion and the prevention of age-related dysfunctions that are based on the delivery of therapeutic compounds capable to preferentially killing SCs (nano-senolytics) and/or modulating a proinflammatory secretome (nano-senomorphics/nano-senostatics). Recent examples of SC-targeted nanomaterials and the mechanisms underlying different aspects of the nanomaterial-mediated senolysis are presented and discussed.
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Affiliation(s)
- Jagoda Adamczyk-Grochala
- Department of Biotechnology, Institute of Biology and Biotechnology, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
| | - Anna Lewinska
- Department of Biotechnology, Institute of Biology and Biotechnology, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
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66
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Molecular Mechanisms to Target Cellular Senescence in Hepatocellular Carcinoma. Cells 2020; 9:cells9122540. [PMID: 33255630 PMCID: PMC7761055 DOI: 10.3390/cells9122540] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 11/17/2020] [Accepted: 11/20/2020] [Indexed: 12/24/2022] Open
Abstract
Hepatocellular carcinoma (HCC) has emerged as a major cause of cancer-related death and is the most common type of liver cancer. Due to the current paucity of drugs for HCC therapy there is a pressing need to develop new therapeutic concepts. In recent years, the role of Serum Response Factor (SRF) and its coactivators, Myocardin-Related Transcription Factors A and B (MRTF-A and -B), in HCC formation and progression has received considerable attention. Targeting MRTFs results in HCC growth arrest provoked by oncogene-induced senescence. The induction of senescence acts as a tumor-suppressive mechanism and therefore gains consideration for pharmacological interventions in cancer therapy. In this article, we describe the key features and the functional role of senescence in light of the development of novel drug targets for HCC therapy with a focus on MRTFs.
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Chei S, Oh HJ, Lee K, Jin H, Lee JY, Lee BY. Dysfunction of B Cell Leading to Failure of Immunoglobulin Response Is Ameliorated by Dietary Silk Peptide in 14-Month-Old C57BL/6 Mice. Front Nutr 2020; 7:583186. [PMID: 33330583 PMCID: PMC7710868 DOI: 10.3389/fnut.2020.583186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 10/22/2020] [Indexed: 01/10/2023] Open
Abstract
Anti-aging research suggests that immunosenescent cells can play deleterious roles in the immune system. Here, young (2 months old) and old (14 months old) C57BL/6 mice received a daily oral dose (100 or 750 mg/kg/day) of acid-hydrolyzed silk peptide (SP) for a period of 5 weeks. Mouse spleen, lymph node, and serum were analyzed to determine the immune homeostasis of SP by flow cytometry, Western blotting, ELISA, and qRT-PCR. The results suggest that SP ameliorates age-related dysfunction of T and B cells. Amelioration of B cell dysfunction improved the immunoglobulin response in aged mice. Taken together, the results suggest that SP restores immune homeostasis with respect to immunosenescent cells.
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Affiliation(s)
- Sungwoo Chei
- Department of Biomedical Sciences, CHA University, Pocheon, South Korea
| | - Hyun-Ji Oh
- Department of Biomedical Sciences, CHA University, Pocheon, South Korea
| | - Kippeum Lee
- Department of Biomedical Sciences, CHA University, Pocheon, South Korea
| | - Heegu Jin
- Department of Biomedical Sciences, CHA University, Pocheon, South Korea
| | | | - Boo-Yong Lee
- Department of Biomedical Sciences, CHA University, Pocheon, South Korea
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68
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Niklander S, Bandaru D, Lambert DW, Hunter KD. ROCK inhibition modulates the senescence-associated secretory phenotype (SASP) in oral keratinocytes. FEBS Open Bio 2020; 10:2740-2749. [PMID: 33095981 PMCID: PMC7714064 DOI: 10.1002/2211-5463.13012] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 10/13/2020] [Accepted: 10/20/2020] [Indexed: 11/10/2022] Open
Abstract
Senescent cells accumulate in different organs and develop a senescence‐associated secretory phenotype (SASP), associated with the development of age‐related pathologies. The constitution of the SASP varies among cell types and with the method of senescence induction; nevertheless, there is substantial overlap among SASPs, especially the presence of pro‐inflammatory cytokines such as IL‐1β, IL‐1α, IL‐6 and IL‐8. These cytokines are highly conserved among SASPs and are implicated in the development of several cancers. Here, we report that ROCK inhibition by Y‐27632 reduces levels of IL‐1α, IL‐1β, IL‐6 and IL‐8 secreted by senescent normal and dysplastic oral keratinocytes without affecting the permanent cell growth arrest. The data indicate some inflammatory genes downregulated by Y‐27632 remain downregulated even after repeated passage in the absence of Y‐27632. We propose ROCK kinase inhibition as a novel alternative to current strategies to modulate the inflammatory components of the SASP, without compromising the permanent cell growth arrest. This observation potentially has wide clinical applications, given the involvement of senescence in cancer and a wide range of age‐related disease. It also suggests care should be exercised when using Y‐27632 to facilitate cell expansion of primary cells, as its effects on gene expression are not entirely reversible.
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Affiliation(s)
- Sven Niklander
- Unit of Oral and Maxillofacial Medicine, Pathology and Surgery, University of Sheffield, Sheffield, UK.,Departamento de Cirugia y Patologia Oral, Facultad de Odontologia, Universidad Andres Bello, Viña del Mar, Chile
| | - Deepti Bandaru
- Unit of Oral and Maxillofacial Medicine, Pathology and Surgery, University of Sheffield, Sheffield, UK
| | - Daniel W Lambert
- Unit of Oral and Maxillofacial Medicine, Pathology and Surgery, University of Sheffield, Sheffield, UK
| | - Keith D Hunter
- Unit of Oral and Maxillofacial Medicine, Pathology and Surgery, University of Sheffield, Sheffield, UK
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69
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Nehme J, Borghesan M, Mackedenski S, Bird TG, Demaria M. Cellular senescence as a potential mediator of COVID-19 severity in the elderly. Aging Cell 2020; 19:e13237. [PMID: 32955770 PMCID: PMC7576296 DOI: 10.1111/acel.13237] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 08/18/2020] [Accepted: 08/21/2020] [Indexed: 01/10/2023] Open
Abstract
SARS-CoV-2 is a novel betacoronavirus which infects the lower respiratory tract and can cause coronavirus disease 2019 (COVID-19), a complex respiratory distress syndrome. Epidemiological data show that COVID-19 has a rising mortality particularly in individuals with advanced age. Identifying a functional association between SARS-CoV-2 infection and the process of biological aging may provide a tractable avenue for therapy to prevent acute and long-term disease. Here, we discuss how cellular senescence-a state of stable growth arrest characterized by pro-inflammatory and pro-disease functions-can hypothetically be a contributor to COVID-19 pathogenesis, and a potential pharmaceutical target to alleviate disease severity. First, we define why older COVID-19 patients are more likely to accumulate high levels of cellular senescence. Second, we describe how senescent cells can contribute to an uncontrolled SARS-CoV-2-mediated cytokine storm and an excessive inflammatory reaction during the early phase of the disease. Third, we discuss the various mechanisms by which senescent cells promote tissue damage leading to lung failure and multi-tissue dysfunctions. Fourth, we argue that a high senescence burst might negatively impact on vaccine efficacy. Measuring the burst of cellular senescence could hypothetically serve as a predictor of COVID-19 severity, and targeting senescence-associated mechanisms prior and after SARS-CoV-2 infection might have the potential to limit a number of severe damages and to improve the efficacy of vaccinations.
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Affiliation(s)
- Jamil Nehme
- European Research Institute for the Biology of Ageing (ERIBA)University Medical Center Groningen (UMCG)University of Groningen (RUGGroningen NLThe Netherlands
- Doctoral School of Science and TechnologyLebanese UniversityBeirutLebanon
| | - Michela Borghesan
- European Research Institute for the Biology of Ageing (ERIBA)University Medical Center Groningen (UMCG)University of Groningen (RUGGroningen NLThe Netherlands
| | - Sebastian Mackedenski
- European Research Institute for the Biology of Ageing (ERIBA)University Medical Center Groningen (UMCG)University of Groningen (RUGGroningen NLThe Netherlands
| | - Thomas G. Bird
- Cancer Research UK Beatson InstituteGlasgowUK
- Institute of Cancer SciencesUniversity of GlasgowGlasgowUK
- MRC Centre for Inflammation ResearchThe Queen's Medical Research InstituteUniversity of EdinburghEdinburghUK
| | - Marco Demaria
- European Research Institute for the Biology of Ageing (ERIBA)University Medical Center Groningen (UMCG)University of Groningen (RUGGroningen NLThe Netherlands
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Lim JS, Lee DY, Kim HS, Park SC, Park JT, Kim HS, Oh WK, Cho KA. Identification of a novel senomorphic agent, avenanthramide C, via the suppression of the senescence-associated secretory phenotype. Mech Ageing Dev 2020; 192:111355. [PMID: 32941937 DOI: 10.1016/j.mad.2020.111355] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 07/14/2020] [Accepted: 09/07/2020] [Indexed: 01/07/2023]
Abstract
Senescent cells are deeply involved in the induction of tissue damage and aging-related diseases. The identification of factors that eliminate senescent cells or inhibit the senescence-associated secretory phenotype (SASP) in these cells is necessary. Here, we report an avenanthramice C (Avn C) extracted from oat as a new SASP modulator. Treatment with Avn C led to a significant reduction in the levels of markers of senescent cells, with no toxicity observed. The SASP was also inhibited by Avn C treatment, similar to non-senescent cells, and the suppression of cell division by autocrine signals associated with SASP was restored. To investigate the mechanism underlying SASP inhibition by Avn C, we analyzed the effect of Avn C in lipopolysaccharide (LPS)-induced inflammation in non-senescent cells. Avn C inhibited nuclear factor κB (NF-κB) activity and the secretion of inflammatory cytokines before or after LPS treatment. Although the activity of MAP kinases, which are NF-κB upstream signals, was inhibited by Avn C in LPS-induced inflammation, only p38 activity was specifically inhibited in senescent cells. Interestingly, the inhibition of p38 in senescent cells was observed through Avn C-induced 5'-adenosine monophosphate-activated protein kinase (AMPK) activity. Avn C-induced inhibition of the SASP is triggered by senescence-related stress.
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Affiliation(s)
- Jae Sung Lim
- Department of Biochemistry, Chonanm National University Medical School, 264 Seoyang-ro, Hwasun-gun, Jeonnam-do, 58128, Republic of Korea; Combinatorial Tumor Immunotherapy Medical Research Center, Chonnam National University Medical School, 264 Seoyang-ro, Hwasun-gun, Jeonnam-do, 58128, Republic of Korea
| | - Da Young Lee
- Department of Biochemistry, Chonanm National University Medical School, 264 Seoyang-ro, Hwasun-gun, Jeonnam-do, 58128, Republic of Korea; Center for Creative Biomedical Scientists, Chonnam National University Medical School, 264 Seoyang-ro, Hwasun-gun, Jeonnam-do, 58128, Republic of Korea
| | - Hyung Seok Kim
- Center for Creative Biomedical Scientists, Chonnam National University Medical School, 264 Seoyang-ro, Hwasun-gun, Jeonnam-do, 58128, Republic of Korea; Department of Forensic Science, Chonnam National University Medical School, 264 Seoyang-ro, Hwasun-gun, Jeonnam-do, 58128, Republic of Korea
| | - Sang Chul Park
- Future Life and Society Research Center, Chonnam National University Medical School, 264 Seoyang-ro, Hwasun-gun, Jeonnam-do, 58128, Republic of Korea
| | - Joon Tae Park
- Department of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Hyeon Sik Kim
- Medical Photonic Research Center, Korea Photonics Technology Institute, Gwangju, 61007, Republic of Korea
| | - Won Keun Oh
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 08826, Republic of Korea
| | - Kyung A Cho
- Department of Biochemistry, Chonanm National University Medical School, 264 Seoyang-ro, Hwasun-gun, Jeonnam-do, 58128, Republic of Korea; Center for Creative Biomedical Scientists, Chonnam National University Medical School, 264 Seoyang-ro, Hwasun-gun, Jeonnam-do, 58128, Republic of Korea; Future Life and Society Research Center, Chonnam National University Medical School, 264 Seoyang-ro, Hwasun-gun, Jeonnam-do, 58128, Republic of Korea.
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Cherif H, Bisson DG, Mannarino M, Rabau O, Ouellet JA, Haglund L. Senotherapeutic drugs for human intervertebral disc degeneration and low back pain. eLife 2020; 9:54693. [PMID: 32821059 PMCID: PMC7442487 DOI: 10.7554/elife.54693] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 08/03/2020] [Indexed: 12/12/2022] Open
Abstract
Cellular senescence is a contributor to intervertebral disc (IVD) degeneration and low back pain. Here, we found that RG-7112, a potent mouse double-minute two protein inhibitor, selectively kills senescent IVD cells through apoptosis. Gene expression pathway analysis was used to compare the functional networks of genes affected by RG-7112, a pure synthetic senolytic with o-Vanillin a natural and anti-inflammatory senolytic. Both affected a functional gene network related to cell death and survival. O-Vanillin also affected networks related to cell cycle progression as well as connective tissue development and function. Both senolytics effectively decreased the senescence-associated secretory phenotype (SASP) of IVD cells. Furthermore, bioavailability and efficacy were verified ex vivo in the physiological environment of degenerating intact human discs where a single dose improved disc matrix homeostasis. Matrix improvement correlated with a reduction in senescent cells and SASP, supporting a translational potential of targeting senescent cells as a therapeutic intervention. Pain in the lower back affects about four in five people during their lifetime. Over time, the discs that provide cushioning between the vertebrae of the spine can degenerate, which can be one of the major causes of lower back pain. It has been shown that when the cells of these discs are exposed to different stress factors, they stop growing and become irreversibly dormant. Such ‘senescent’ cells release a range of proteins and small molecules that lead to painful inflammation and further degeneration of the discs. Moreover, it is thought that a high number of senescent cells may be linked to other degenerative diseases such as arthritis. Current treatments can only reduce the severity of the symptoms, but they cannot prevent the degeneration from progressing. Now, Cherif et al. set out to test the effects of two different compounds on human disc cells grown in the laboratory. One of the molecules studied, RG-7112, is a synthetic drug that has been approved for safety by the US Food and Drug Administration and has been shown to remove senescent cells. The other, o-Vanillin, is a natural compound that has anti-inflammatory and anti-senescence properties. The results showed that both compounds were able to trigger changes to that helped new, healthy cells to grow and at the same time kill senescent cells. They also reduced the production of molecules linked to inflammation and pain. Further analyses revealed that the compounds were able to strengthen the fibrous matrix that surrounds and supports the discs. Cherif et al. hope that this could form the basis for a new family of drugs for back pain to slow the degeneration of the discs and reduce pain. This may also have benefits for other similar degenerative diseases caused by cell senescence, such as arthritis.
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Affiliation(s)
- Hosni Cherif
- Orthopaedic Research Lab, Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montreal, Canada.,McGill Scoliosis and Spine Group, Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montreal, Canada
| | - Daniel G Bisson
- Orthopaedic Research Lab, Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montreal, Canada.,McGill Scoliosis and Spine Group, Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montreal, Canada
| | - Matthew Mannarino
- Orthopaedic Research Lab, Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montreal, Canada.,McGill Scoliosis and Spine Group, Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montreal, Canada
| | - Oded Rabau
- McGill Scoliosis and Spine Group, Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montreal, Canada.,Shriner's Hospital for Children, 1003 Decarie Blvd, Montreal, Canada
| | - Jean A Ouellet
- McGill Scoliosis and Spine Group, Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montreal, Canada.,Shriner's Hospital for Children, 1003 Decarie Blvd, Montreal, Canada
| | - Lisbet Haglund
- Orthopaedic Research Lab, Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montreal, Canada.,McGill Scoliosis and Spine Group, Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montreal, Canada.,Shriner's Hospital for Children, 1003 Decarie Blvd, Montreal, Canada
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72
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Kim JH, Lee SJ, Lee KW, Kim JC. Cellular Senescence in Pterygium. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2020. [DOI: 10.3341/jkos.2020.61.8.861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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73
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Xu Y, Tian Y, Tong D, Zhang H, Luo Z, Shang X, Dong Y. Wnt Signaling Inhibits High-Density Cell Sheet Culture Induced Mesenchymal Stromal Cell Aging by Targeting Cell Cycle Inhibitor p27. Front Bioeng Biotechnol 2020; 8:946. [PMID: 32850766 PMCID: PMC7419600 DOI: 10.3389/fbioe.2020.00946] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 07/22/2020] [Indexed: 12/04/2022] Open
Abstract
Mesenchymal stromal cell senescence and apoptosis have been identified as critical molecular hallmarks in aging. In this study, we used stromal cell sheet culture as an in vitro model to study the progressive changes of cellular senescence, apoptosis and underlying mechanism in Wnt3a treated cells. Our results showed fresh bone marrow mesenchymal stromal cells (BMSCs) become senescent and undergo apoptosis with increased inflammatory profile and Reactive Oxygen Species (ROS) in high-density cell sheet cultures. The gene expression level of senescence related proteins and key regulators of apoptosis in cell sheet cultures was significantly increased in older BMSCs at Days 4 and 7 cultures compared with younger cells at Day 1 cultures. More importantly, Wnt signaling activation significantly reduced senescence in cell sheet cultures by direct regulation of cell cycle inhibitor p27. This study not only characterized the cellular and molecular features of aging stromal cells in short-term cell sheet cultures, but also identified the downstream target responsible for Wnt inhibition of cell senescence.
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Affiliation(s)
- Ying Xu
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ye Tian
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Dongyi Tong
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Hao Zhang
- Center for Tissue Engineering and Regenerative Medicine, Department of Orthopedic Surgery, Louisiana State University Health Sciences Center, Shreveport, LA, United States
| | - Zhengliang Luo
- Division of Life Sciences and Medicine, Department of Orthopedic Surgery, The First Affiliated Hospital, University of Science and Technology of China, Hefei, China
| | - Xifu Shang
- Division of Life Sciences and Medicine, Department of Orthopedic Surgery, The First Affiliated Hospital, University of Science and Technology of China, Hefei, China
| | - Yufeng Dong
- Center for Tissue Engineering and Regenerative Medicine, Department of Orthopedic Surgery, Louisiana State University Health Sciences Center, Shreveport, LA, United States
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74
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Ermogenous C, Green C, Jackson T, Ferguson M, Lord JM. Treating age-related multimorbidity: the drug discovery challenge. Drug Discov Today 2020; 25:1403-1415. [DOI: 10.1016/j.drudis.2020.06.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/19/2020] [Accepted: 06/16/2020] [Indexed: 12/12/2022]
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75
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You J, Dong R, Ying M, He Q, Cao J, Yang B. Cellular Senescence and Anti-Cancer Therapy. Curr Drug Targets 2020; 20:705-715. [PMID: 30556499 DOI: 10.2174/1389450120666181217100833] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 11/27/2018] [Accepted: 12/05/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Cellular senescence is generally understood as a permanent cell cycle arrest stemming from different causes. The mechanism of cellular senescence-induced cell cycle arrest is complex, involving interactions between telomere shortening, inflammations and cellular stresses. In recent years, a growing number of studies have revealed that cellular senescence could mediate the cancer progression of neighboring cells, but this idea is controversial and contradictory evidence argues that cellular senescence also contributes to tumor suppression. OBJECTIVE Given that the complicated role of senescence in various physiological and pathological scenarios, we try to clarify the precise contribution role of cellular senescence to tumor progression. METHODS Search for the information in a large array of relevant articles to support our opinion. RESULTS We discuss the relatively widespread occurrence of cellular senescence in cancer treatment and identify the positive and negative side of senescence contributed to tumor progression. CONCLUSION We argue that the availability of pro-senescence therapy could represent as a promising regimen for managing cancer disease, particularly with regard to the poor clinical outcome obtained with other anticancer therapies.
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Affiliation(s)
- Jieqiong You
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Rong Dong
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Meidan Ying
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Qiaojun He
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Ji Cao
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Bo Yang
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
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76
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Mohamad Kamal NS, Safuan S, Shamsuddin S, Foroozandeh P. Aging of the cells: Insight into cellular senescence and detection Methods. Eur J Cell Biol 2020; 99:151108. [PMID: 32800277 DOI: 10.1016/j.ejcb.2020.151108] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 07/10/2020] [Indexed: 01/10/2023] Open
Abstract
Cellular theory of aging states that human aging is the result of cellular aging, in which an increasing proportion of cells reach senescence. Senescence, from the Latin word senex, means "growing old," is an irreversible growth arrest which occurs in response to damaging stimuli, such as DNA damage, telomere shortening, telomere dysfunction and oncogenic stress leading to suppression of potentially dysfunctional, transformed, or aged cells. Cellular senescence is characterized by irreversible cell cycle arrest, flattened and enlarged morphology, resistance to apoptosis, alteration in gene expression and chromatin structure, expression of senescence associated- β-galactosidase (SA-β-gal) and acquisition of senescence associated secretory phenotype (SASP). In this review paper, different types of cellular senescence including replicative senescence (RS) which occurs due to telomere shortening and stress induced premature senescence (SIPS) which occurs in response to different types of stress in cells, are discussed. Biomarkers of cellular senescence and senescent assays including BrdU incorporation assay, senescence associated- β-galactosidase (SA-β-gal) and senescence-associated heterochromatin foci assays to detect senescent cells are also addressed.
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Affiliation(s)
- Nor Shaheera Mohamad Kamal
- School of Health Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Sabreena Safuan
- School of Health Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Shaharum Shamsuddin
- School of Health Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia; USM-RIKEN International Centre for Ageing Science (URICAS), Universiti Sains Malaysia, 11800 Georgetown, Penang, Malaysia
| | - Parisa Foroozandeh
- USM-RIKEN International Centre for Ageing Science (URICAS), Universiti Sains Malaysia, 11800 Georgetown, Penang, Malaysia.
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77
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Ricciarelli R, Azzi A, Zingg JM. Reduction of senescence-associated beta-galactosidase activity by vitamin E in human fibroblasts depends on subjects' age and cell passage number. Biofactors 2020; 46:665-674. [PMID: 32479666 DOI: 10.1002/biof.1636] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 04/22/2020] [Indexed: 12/14/2022]
Abstract
Cell senescence is due to the permanent cell cycle arrest that occurs as a result of the inherent limited replicative capacity toward the Hayflick limit (replicative senescence), or in response to various stressors (stress-induced premature senescence, SIPS). With the acquisition of the senescence-associated secretory phenotype (SASP), cells release several molecules (cytokines, proteases, lipids), and express the senescence-associated beta-galactosidase (SA-β-Gal). Here we tested whether vitamin E affects SA-β-Gal in an in vitro model of cell ageing. Skin fibroblasts from human subjects of different age (1, 13, 29, 59, and 88 years old) were cultured until they reached replicative senescence. At different passages (Passages 2, 9, 13, and 16), these cells were treated with vitamin E for 24 hr. Vitamin E reduced SA-β-Gal in all cells at passage 16, but at earlier passage numbers it reduced SA-β-Gal only in cells isolated from the oldest subjects. Therefore, short time treatment with vitamin E decreases SA-β-Gal in cells both from young and old subjects when reaching replicative senescence; but in cells isolated from older subjects, a decrease in SA-β-Gal by vitamin E occurs also at earlier passage numbers. The possible role of downregulation of CD36 by vitamin E, a scavenger receptor essential for initiation of senescence and SASP, is discussed.
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Affiliation(s)
- Roberta Ricciarelli
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Angelo Azzi
- Sackler School of Graduate Biomedical Pharmacology and Drug Development Program, Tufts University, Boston, Massachusetts, USA
| | - Jean-Marc Zingg
- Miller School of Medicine, University of Miami, Miami, Florida, USA
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78
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Liberale L, Camici GG. The Role of Vascular Aging in Atherosclerotic Plaque Development and Vulnerability. Curr Pharm Des 2020; 25:3098-3111. [PMID: 31470777 DOI: 10.2174/1381612825666190830175424] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 08/24/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND The ongoing demographical shift is leading to an unprecedented aging of the population. As a consequence, the prevalence of age-related diseases, such as atherosclerosis and its thrombotic complications is set to increase in the near future. Endothelial dysfunction and vascular stiffening characterize arterial aging and set the stage for the development of cardiovascular diseases. Atherosclerotic plaques evolve over time, the extent to which these changes might affect their stability and predispose to sudden complications remains to be determined. Recent advances in imaging technology will allow for longitudinal prospective studies following the progression of plaque burden aimed at better characterizing changes over time associated with plaque stability or rupture. Oxidative stress and inflammation, firmly established driving forces of age-related CV dysfunction, also play an important role in atherosclerotic plaque destabilization and rupture. Several genes involved in lifespan determination are known regulator of redox cellular balance and pre-clinical evidence underlines their pathophysiological roles in age-related cardiovascular dysfunction and atherosclerosis. OBJECTIVE The aim of this narrative review is to examine the impact of aging on arterial function and atherosclerotic plaque development. Furthermore, we report how molecular mechanisms of vascular aging might regulate age-related plaque modifications and how this may help to identify novel therapeutic targets to attenuate the increased risk of CV disease in elderly people.
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Affiliation(s)
- Luca Liberale
- Center for Molecular Cardiology, University of Zurich, Wagistrasse 12, CH-8952 Schlieren, Switzerland
| | - Giovanni G Camici
- Center for Molecular Cardiology, University of Zurich, Wagistrasse 12, CH-8952 Schlieren, Switzerland.,University Heart Center, University Hospital Zurich, Rämistrasse 100, CH-8091 Zürich, Switzerland.,Department of Research and Education, University Hospital Zurich, Rämistrasse 100, CH-8091 Zürich, Switzerland
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79
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Lozano-Torres B, Blandez JF, Galiana I, García-Fernández A, Alfonso M, Marcos MD, Orzáez M, Sancenón F, Martínez-Máñez R. Real-Time In Vivo Detection of Cellular Senescence through the Controlled Release of the NIR Fluorescent Dye Nile Blue. Angew Chem Int Ed Engl 2020; 59:15152-15156. [PMID: 32416002 DOI: 10.1002/anie.202004142] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Indexed: 01/10/2023]
Abstract
In vivo detection of cellular senescence is accomplished by using mesoporous silica nanoparticles loaded with the NIR-FDA approved Nile blue (NB) dye and capped with a galactohexasaccharide (S3). NB emission at 672 nm is highly quenched inside S3, yet a remarkable emission enhancement is observed upon cap hydrolysis in the presence of β-galactosidase and dye release. The efficacy of the probe to detect cellular senescence is tested in vitro in melanoma SK-Mel-103 and breast cancer 4T1 cells and in vivo in palbociclib-treated BALB/cByJ mice bearing breast cancer tumor.
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Affiliation(s)
- Beatriz Lozano-Torres
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.,Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain.,CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain.,Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain
| | - Juan F Blandez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.,Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain.,Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain
| | - Irene Galiana
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.,Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | | | - María Alfonso
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - María D Marcos
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.,Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain.,CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain.,Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain
| | - Mar Orzáez
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain.,Centro de Investigación Príncipe Felipe, Eduardo Primo Yúfera, 3, 46012, Valencia, Spain
| | - Félix Sancenón
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.,Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain.,CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain.,Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain.,Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, Valencia, Spain.,CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain.,Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe, Valencia, Spain
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Lozano‐Torres B, Blandez JF, Galiana I, García‐Fernández A, Alfonso M, Marcos MD, Orzáez M, Sancenón F, Martínez‐Máñez R. Real‐Time In Vivo Detection of Cellular Senescence through the Controlled Release of the NIR Fluorescent Dye Nile Blue. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004142] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Beatriz Lozano‐Torres
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Universitat de València Camino de Vera s/n 46022 Valencia Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina Universitat Politècnica de València Centro de Investigación Príncipe Felipe Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN) Spain
- Unidad Mixta de Investigación en Nanomedicina y Sensores Universitat Politècnica de València IIS La Fe Valencia Spain
| | - Juan F. Blandez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Universitat de València Camino de Vera s/n 46022 Valencia Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina Universitat Politècnica de València Centro de Investigación Príncipe Felipe Valencia Spain
- Unidad Mixta de Investigación en Nanomedicina y Sensores Universitat Politècnica de València IIS La Fe Valencia Spain
| | - Irene Galiana
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Universitat de València Camino de Vera s/n 46022 Valencia Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina Universitat Politècnica de València Centro de Investigación Príncipe Felipe Valencia Spain
| | | | - María Alfonso
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Universitat de València Camino de Vera s/n 46022 Valencia Spain
| | - María D. Marcos
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Universitat de València Camino de Vera s/n 46022 Valencia Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina Universitat Politècnica de València Centro de Investigación Príncipe Felipe Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN) Spain
- Unidad Mixta de Investigación en Nanomedicina y Sensores Universitat Politècnica de València IIS La Fe Valencia Spain
| | - Mar Orzáez
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina Universitat Politècnica de València Centro de Investigación Príncipe Felipe Valencia Spain
- Centro de Investigación Príncipe Felipe Eduardo Primo Yúfera, 3 46012 Valencia Spain
| | - Félix Sancenón
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Universitat de València Camino de Vera s/n 46022 Valencia Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina Universitat Politècnica de València Centro de Investigación Príncipe Felipe Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN) Spain
- Unidad Mixta de Investigación en Nanomedicina y Sensores Universitat Politècnica de València IIS La Fe Valencia Spain
| | - Ramón Martínez‐Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Universitat de València Camino de Vera s/n 46022 Valencia Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de EnfermedadesyNanomedicina Universitat Politècnica de València Centro de Investigación Príncipe Felipe Valencia Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN) Spain
- Unidad Mixta de Investigación en Nanomedicina y Sensores Universitat Politècnica de València IIS La Fe Valencia Spain
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81
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Lubberts S, Meijer C, Demaria M, Gietema JA. Early ageing after cytotoxic treatment for testicular cancer and cellular senescence: Time to act. Crit Rev Oncol Hematol 2020; 151:102963. [PMID: 32446180 DOI: 10.1016/j.critrevonc.2020.102963] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 04/14/2020] [Accepted: 04/14/2020] [Indexed: 12/15/2022] Open
Abstract
Treatment of testicular cancer (TC) has an exceptionally high success rate compared to other cancer types; even in case of metastasized disease, 80-90 % of TC patients can be cured. Consequently, attention has been drawn to a potential downside of this treatment success: late adverse treatment effects such as the accelerated development of otherwise age-associated features like cardiovascular disease and second malignancies. Underlying mechanisms are poorly understood. Emerging data suggest that cytotoxic treatment induces cellular senescence, resulting in secretion of inflammatory factors contributing to this early ageing phenotype. Molecular and cellular characterization of this early ageing will enhance understanding the pathogenesis of TC treatment-induced morbidity and contribute to better recognition and prevention of late effects. In this review, we describe clinical manifestations of the early ageing phenotype among TC survivors, and subsequently focus on potential underlying mechanisms. We discuss the clinical implications and describe perspectives for future research and intervention strategies.
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Affiliation(s)
- Sjoukje Lubberts
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, The Netherlands
| | - Coby Meijer
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, The Netherlands
| | - Marco Demaria
- European Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
| | - Jourik A Gietema
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, The Netherlands.
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82
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Galiana I, Lozano-Torres B, Sancho M, Alfonso M, Bernardos A, Bisbal V, Serrano M, Martínez-Máñez R, Orzáez M. Preclinical antitumor efficacy of senescence-inducing chemotherapy combined with a nanoSenolytic. J Control Release 2020; 323:624-634. [PMID: 32376460 DOI: 10.1016/j.jconrel.2020.04.045] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 04/07/2020] [Accepted: 04/27/2020] [Indexed: 01/10/2023]
Abstract
The induction of senescence produces a stable cell cycle arrest in cancer cells, thereby inhibiting tumor growth; however, the incomplete immune cell-mediated clearance of senescent cells may favor tumor relapse, limiting the long-term anti-tumorigenic effect of such drugs. A combination of senescence induction and the elimination of senescent cells may, therefore, represent an efficient means to inhibit tumor relapse. In this study, we explored the antitumor efficacy of a combinatory senogenic and targeted senolytic therapy in an immunocompetent orthotopic mouse model of the aggressive triple negative breast cancer subtype. Following palbociclib-induced senogenesis and senolysis by treatment with nano-encapsulated senolytic agent navitoclax, we observed inhibited tumor growth, reduced metastases, and a reduction in the systemic toxicity of navitoclax. We believe that this combination treatment approach may have relevance to other senescence-inducing chemotherapeutic drugs and additional tumor types. SIGNIFICANCE: While the application of senescence inducers represents a successful treatment strategy in breast cancer patients, some patients still relapse, perhaps due to the subsequent accumulation of senescent cells in the body that can promote tumor recurrence. We now demonstrate that a combination treatment of a senescence inducer and a senolytic nanoparticle selectively eliminates senescent cells, delays tumor growth, and reduces metastases in a mouse model of aggressive breast cancer. Collectively, our results support targeted senolysis as a new therapeutic opportunity to improve outcomes in breast cancer patients.
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Affiliation(s)
- Irene Galiana
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain
| | - Beatriz Lozano-Torres
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Mónica Sancho
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain; Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain
| | - María Alfonso
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - Andrea Bernardos
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain
| | - Viviana Bisbal
- Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain
| | - Manuel Serrano
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology (BIST), Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera s/n, 46022, Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, IIS La Fe. Av. Fernando Abril Martorell, 106 Torre A 7ª planta, 46026, Valencia, Spain.
| | - Mar Orzáez
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain; Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain.
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83
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Mavrogonatou E, Pratsinis H, Kletsas D. The role of senescence in cancer development. Semin Cancer Biol 2020; 62:182-191. [DOI: 10.1016/j.semcancer.2019.06.018] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 06/24/2019] [Accepted: 06/27/2019] [Indexed: 02/07/2023]
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84
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Anerillas C, Abdelmohsen K, Gorospe M. Regulation of senescence traits by MAPKs. GeroScience 2020; 42:397-408. [PMID: 32300964 PMCID: PMC7205942 DOI: 10.1007/s11357-020-00183-3] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 03/10/2020] [Indexed: 01/10/2023] Open
Abstract
A phenotype of indefinite growth arrest acquired in response to sublethal damage, cellular senescence affects normal aging and age-related disease. Mitogen-activated protein kinases (MAPKs) are capable of sensing changes in cellular conditions, and in turn elicit adaptive responses including cell senescence. MAPKs modulate the levels and function of many proteins, including proinflammatory factors and factors in the p21/p53 and p16/RB pathways, the main senescence-regulatory axes. Through these actions, MAPKs implement key traits of senescence-growth arrest, cell survival, and the senescence-associated secretory phenotype (SASP). In this review, we summarize and discuss our current knowledge of the impact of MAPKs in senescence. In addition, given that eliminating or suppressing senescent cells can improve health span, we discuss the function and possible exploitation of MAPKs in the elimination (senolysis) or suppression (senostasis) of senescent cells.
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Affiliation(s)
- Carlos Anerillas
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, 251 Bayview Blvd., Baltimore, MD, 21224, USA
| | - Kotb Abdelmohsen
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, 251 Bayview Blvd., Baltimore, MD, 21224, USA
| | - Myriam Gorospe
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, 251 Bayview Blvd., Baltimore, MD, 21224, USA.
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85
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Senescence in polyploid giant cancer cells: A road that leads to chemoresistance. Cytokine Growth Factor Rev 2020; 52:68-75. [DOI: 10.1016/j.cytogfr.2019.11.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 11/11/2019] [Accepted: 11/14/2019] [Indexed: 01/07/2023]
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86
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Idda ML, McClusky WG, Lodde V, Munk R, Abdelmohsen K, Rossi M, Gorospe M. Survey of senescent cell markers with age in human tissues. Aging (Albany NY) 2020; 12:4052-4066. [PMID: 32160592 PMCID: PMC7093180 DOI: 10.18632/aging.102903] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 02/20/2020] [Indexed: 01/10/2023]
Abstract
Cellular senescence, triggered by sublethal damage, is characterized by indefinite growth arrest, altered gene expression patterns, and a senescence-associated secretory phenotype. While the accumulation of senescent cells during aging decreases tissue function and promotes many age-related diseases, at present there is no universal marker to detect senescent cells in tissues. Cyclin-dependent kinase inhibitors 2A (p16/CDKN2A) and 1A (p21/CDKN1A) can identify senescent cells, but few studies have examined the numbers of cells expressing these markers in different organs as a function of age. Here, we investigated systematically p16- and p21-positive cells in tissue arrays designed to include normal organs from persons across a broad spectrum of ages. Increased numbers of p21-positive and p16-positive cells with donor age were found in skin (epidermis), pancreas, and kidney, while p16-expressing cells increased in brain cortex, liver, spleen and intestine (colon), and p21-expressing cells increased in skin (dermis). The numbers of cells expressing p16 or p21 in lung did not change with age, and muscle did not appear to have p21- or p16-positive cells. In summary, different organs display different levels of the senescent proteins p16 and p21 as a function of age across the human life span.
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Affiliation(s)
- M Laura Idda
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA.,Istituto di Ricerca Genetica e Biomedica, Consiglio Nazionale delle Ricerche, Sassari, Italy
| | - Waverly G McClusky
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA
| | - Valeria Lodde
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA.,Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Rachel Munk
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA
| | - Kotb Abdelmohsen
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA
| | - Martina Rossi
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA
| | - Myriam Gorospe
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA
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87
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Rodenak-Kladniew B, Castro A, Stärkel P, Galle M, Crespo R. 1,8-Cineole promotes G0/G1 cell cycle arrest and oxidative stress-induced senescence in HepG2 cells and sensitizes cells to anti-senescence drugs. Life Sci 2020; 243:117271. [DOI: 10.1016/j.lfs.2020.117271] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 12/26/2019] [Accepted: 01/03/2020] [Indexed: 12/25/2022]
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88
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Borrás C, Mas-Bargues C, Román-Domínguez A, Sanz-Ros J, Gimeno-Mallench L, Inglés M, Gambini J, Viña J. BCL-xL, a Mitochondrial Protein Involved in Successful Aging: From C. elegans to Human Centenarians. Int J Mol Sci 2020; 21:ijms21020418. [PMID: 31936510 PMCID: PMC7014191 DOI: 10.3390/ijms21020418] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/01/2020] [Accepted: 01/04/2020] [Indexed: 01/07/2023] Open
Abstract
B-Cell Lymphoma-extra-large (BCL-xL) is involved in longevity and successful aging, which indicates a role for BCL-xL in cell survival pathway regulation. Beyond its well described role as an inhibitor of apoptosis by preventing cytochrome c release, BCL-xL has also been related, indirectly, to autophagy and senescence pathways. Although in these latter cases, BCL-xL has dual roles, either activating or inhibiting, depending on the cell type and the specific conditions. Taken together, all these findings suggest a precise mechanism of action for BCL-xL, able to regulate the crosstalk between apoptosis, autophagy, and senescence, thus promoting cell survival or cell death. All three pathways can be both beneficial or detrimental depending on the circumstances. Thus, targeting BCL-xL would in turn be a "double-edge sword" and therefore, additional studies are needed to better comprehend this dual and apparently contradictory role of BCL-XL in longevity.
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Affiliation(s)
- Consuelo Borrás
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, CIBERFES, INCLIVA, Avenida Blasco Ibañez, 15 46010 Valencia, Spain; (C.M.-B.); (A.R.-D.); (J.S.-R.); (L.G.-M.); (J.G.); (J.V.)
- Correspondence:
| | - Cristina Mas-Bargues
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, CIBERFES, INCLIVA, Avenida Blasco Ibañez, 15 46010 Valencia, Spain; (C.M.-B.); (A.R.-D.); (J.S.-R.); (L.G.-M.); (J.G.); (J.V.)
| | - Aurora Román-Domínguez
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, CIBERFES, INCLIVA, Avenida Blasco Ibañez, 15 46010 Valencia, Spain; (C.M.-B.); (A.R.-D.); (J.S.-R.); (L.G.-M.); (J.G.); (J.V.)
| | - Jorge Sanz-Ros
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, CIBERFES, INCLIVA, Avenida Blasco Ibañez, 15 46010 Valencia, Spain; (C.M.-B.); (A.R.-D.); (J.S.-R.); (L.G.-M.); (J.G.); (J.V.)
| | - Lucia Gimeno-Mallench
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, CIBERFES, INCLIVA, Avenida Blasco Ibañez, 15 46010 Valencia, Spain; (C.M.-B.); (A.R.-D.); (J.S.-R.); (L.G.-M.); (J.G.); (J.V.)
| | - Marta Inglés
- Freshage Research Group, Department of Physiotherapy, Faculty of Physiotherapy, University of Valencia, CIBERFES, INCLIVA, Avenida Blasco Ibañez, 15 46010 Valencia, Spain;
| | - Juan Gambini
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, CIBERFES, INCLIVA, Avenida Blasco Ibañez, 15 46010 Valencia, Spain; (C.M.-B.); (A.R.-D.); (J.S.-R.); (L.G.-M.); (J.G.); (J.V.)
| | - José Viña
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, CIBERFES, INCLIVA, Avenida Blasco Ibañez, 15 46010 Valencia, Spain; (C.M.-B.); (A.R.-D.); (J.S.-R.); (L.G.-M.); (J.G.); (J.V.)
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89
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Candesartan Neuroprotection in Rat Primary Neurons Negatively Correlates with Aging and Senescence: a Transcriptomic Analysis. Mol Neurobiol 2019; 57:1656-1673. [PMID: 31811565 DOI: 10.1007/s12035-019-01800-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 09/22/2019] [Indexed: 12/11/2022]
Abstract
Preclinical experiments and clinical trials demonstrated that angiotensin II AT1 receptor overactivity associates with aging and cellular senescence and that AT1 receptor blockers (ARBs) protect from age-related brain disorders. In a primary neuronal culture submitted to glutamate excitotoxicity, gene set enrichment analysis (GSEA) revealed expression of several hundred genes altered by glutamate and normalized by candesartan correlated with changes in expression in Alzheimer's patient's hippocampus. To further establish whether our data correlated with gene expression alterations associated with aging and senescence, we compared our global transcriptional data with additional published datasets, including alterations in gene expression in the neocortex and cerebellum of old mice, human frontal cortex after age of 40, gene alterations in the Werner syndrome, rodent caloric restriction, Ras and oncogene-induced senescence in fibroblasts, and to tissues besides the brain such as the muscle and kidney. The most significant and enriched pathways associated with aging and senescence were positively correlated with alterations in gene expression in glutamate-injured neurons and, conversely, negatively correlated when the injured neurons were treated with candesartan. Our results involve multiple genes and pathways, including CAV1, CCND1, CDKN1A, CHEK1, ICAM1, IL-1B, IL-6, MAPK14, PTGS2, SERPINE1, and TP53, encoding proteins associated with aging and senescence hallmarks, such as inflammation, oxidative stress, cell cycle and mitochondrial function alterations, insulin resistance, genomic instability including telomere shortening and DNA damage, and the senescent-associated secretory phenotype. Our results demonstrate that AT1 receptor blockade ameliorates central mechanisms of aging and senescence. Using ARBs for prevention and treatment of age-related disorders has important translational value.
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90
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Paez‐Ribes M, González‐Gualda E, Doherty GJ, Muñoz‐Espín D. Targeting senescent cells in translational medicine. EMBO Mol Med 2019; 11:e10234. [PMID: 31746100 PMCID: PMC6895604 DOI: 10.15252/emmm.201810234] [Citation(s) in RCA: 170] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 08/29/2019] [Accepted: 09/04/2019] [Indexed: 02/06/2023] Open
Abstract
Organismal ageing is a complex process driving progressive impairment of functionality and regenerative potential of tissues. Cellular senescence is a state of stable cell cycle arrest occurring in response to damage and stress and is considered a hallmark of ageing. Senescent cells accumulate in multiple organs during ageing, contribute to tissue dysfunction and give rise to pathological manifestations. Senescence is therefore a defining feature of a variety of human age-related disorders, including cancer, and targeted elimination of these cells has recently emerged as a promising therapeutic approach to ameliorate tissue damage and promote repair and regeneration. In addition, in vivo identification of senescent cells has significant potential for early diagnosis of multiple pathologies. Here, we review existing senolytics, small molecules and drug delivery tools used in preclinical therapeutic strategies involving cellular senescence, as well as probes to trace senescent cells. We also review the clinical research landscape in senescence and discuss how identifying and targeting cellular senescence might positively affect pathological and ageing processes.
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Affiliation(s)
- Marta Paez‐Ribes
- Department of OncologyCRUK Cambridge Centre Early Detection ProgrammeHutchison/MRC Research CentreUniversity of CambridgeCambridgeUK
| | - Estela González‐Gualda
- Department of OncologyCRUK Cambridge Centre Early Detection ProgrammeHutchison/MRC Research CentreUniversity of CambridgeCambridgeUK
| | - Gary J Doherty
- Department of OncologyCambridge University Hospitals NHS Foundation TrustCambridge Biomedical CampusCambridgeUK
| | - Daniel Muñoz‐Espín
- Department of OncologyCRUK Cambridge Centre Early Detection ProgrammeHutchison/MRC Research CentreUniversity of CambridgeCambridgeUK
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91
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Hodgson R, Kennedy BK, Masliah E, Scearce-Levie K, Tate B, Venkateswaran A, Braithwaite SP. Aging: therapeutics for a healthy future. Neurosci Biobehav Rev 2019; 108:453-458. [PMID: 31783058 DOI: 10.1016/j.neubiorev.2019.11.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 09/22/2019] [Accepted: 11/25/2019] [Indexed: 01/29/2023]
Abstract
Increased healthcare and pharmaceutical understanding has led to the eradication of many childhood, infectious and preventable diseases; however, we are now experiencing the impact of aging disorders as the lifespan increases. These disorders have already become a major burden on society and threaten to become a defining challenge of our generation. Indications such as Alzheimer's disease gain headlines and have focused the thinking of many towards dementia and cognitive decline in aging. Indications related to neurological function and related behaviors are thus an extremely important starting point in the consideration of therapeutics.However, the reality is that pathological aging covers a spectrum of significant neurological and peripheral indications. Development of therapeutics to treat aging and age-related disorders is therefore a huge need, but represents a largely unexplored path. Fundamental scientific questions need to be considered as we embark towards a goal of improving health in old age, including how we 1) define aging as a therapeutic target, 2) model aging preclinically and 3) effectively translate from preclinical models to man. Furthermore, the challenges associated with identifying novel therapeutics in a financial, regulatory and clinical sense need to be contemplated carefully to ensure we address the unmet need in our increasingly elderly population. The complexity of the challenge requires different perspectives, cross-functional partnerships and diverse concepts. We seek to raise issues to guide the field, considering the current state of thinking to aid in identifying roadblocks and important challenges early. The need for therapeutics that address aging and age-related disorders is acute, but the promise of effective treatments provides huge opportunities that, as a community, we all seek to enable effectively as soon as possible.
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Affiliation(s)
- Robert Hodgson
- Charles River Laboratories, Wilmington, MA, United States; CNS Biology, Takeda, San Diego, CA, United States
| | - Brian K Kennedy
- Departments of Biochemistry and Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Buck Institute for Research on Aging, Novato, CA, United States
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92
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Rhinn M, Ritschka B, Keyes WM. Cellular senescence in development, regeneration and disease. Development 2019; 146:146/20/dev151837. [DOI: 10.1242/dev.151837] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
ABSTRACT
Cellular senescence is a state comprising an essentially irreversible proliferative arrest combined with phenotypic changes and pronounced secretory activity. Although senescence has long been linked with aging, recent studies have uncovered functional roles for senescence in embryonic development, regeneration and reprogramming, and have helped to advance our understanding of this process as a highly coordinated and programmed cellular state. In this Primer article, we summarize some of the key findings in the field and attempt to explain them in a simple model that reconciles the normal and pathological roles for senescence. We discuss how a primary role of cellular senescence is to contribute to normal development, cell plasticity and tissue repair, as a dynamic and tightly regulated cellular program. However, when this process is perturbed, the beneficial effects turn detrimental and can contribute to disease and aging.
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Affiliation(s)
- Muriel Rhinn
- Department of Development and Stem Cells, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), 1 Rue Laurent Fries, 67404, Illkirch, France
- Centre National de la Recherche Scientifique (CNRS), Illkirch, France UMR7104
- Institut National de la Santé et de la Recherche Médicale (INSERM), Illkirch, France U1258
- Université de Strasbourg, Illkirch, France
| | - Birgit Ritschka
- Department of Development and Stem Cells, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), 1 Rue Laurent Fries, 67404, Illkirch, France
- Centre National de la Recherche Scientifique (CNRS), Illkirch, France UMR7104
- Institut National de la Santé et de la Recherche Médicale (INSERM), Illkirch, France U1258
- Université de Strasbourg, Illkirch, France
| | - William M. Keyes
- Department of Development and Stem Cells, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), 1 Rue Laurent Fries, 67404, Illkirch, France
- Centre National de la Recherche Scientifique (CNRS), Illkirch, France UMR7104
- Institut National de la Santé et de la Recherche Médicale (INSERM), Illkirch, France U1258
- Université de Strasbourg, Illkirch, France
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93
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Riessland M, Kolisnyk B, Kim TW, Cheng J, Ni J, Pearson JA, Park EJ, Dam K, Acehan D, Ramos-Espiritu LS, Wang W, Zhang J, Shim JW, Ciceri G, Brichta L, Studer L, Greengard P. Loss of SATB1 Induces p21-Dependent Cellular Senescence in Post-mitotic Dopaminergic Neurons. Cell Stem Cell 2019; 25:514-530.e8. [PMID: 31543366 DOI: 10.1016/j.stem.2019.08.013] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 04/09/2019] [Accepted: 08/16/2019] [Indexed: 01/07/2023]
Abstract
Cellular senescence is a mechanism used by mitotic cells to prevent uncontrolled cell division. As senescent cells persist in tissues, they cause local inflammation and are harmful to surrounding cells, contributing to aging. Generally, neurodegenerative diseases, such as Parkinson's, are disorders of aging. The contribution of cellular senescence to neurodegeneration is still unclear. SATB1 is a DNA binding protein associated with Parkinson's disease. We report that SATB1 prevents cellular senescence in post-mitotic dopaminergic neurons. Loss of SATB1 causes activation of a cellular senescence transcriptional program in dopamine neurons both in human stem cell-derived dopaminergic neurons and in mice. We observed phenotypes that are central to cellular senescence in SATB1 knockout dopamine neurons in vitro and in vivo. Moreover, we found that SATB1 directly represses expression of the pro-senescence factor p21 in dopaminergic neurons. Our data implicate senescence of dopamine neurons as a contributing factor in the pathology of Parkinson's disease.
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Affiliation(s)
- Markus Riessland
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA.
| | - Benjamin Kolisnyk
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Tae Wan Kim
- Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, 1275 York Ave., New York, NY 10065, USA; Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Ave., New York, NY 10065, USA
| | - Jia Cheng
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Jason Ni
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Jordan A Pearson
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Emily J Park
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Kevin Dam
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Devrim Acehan
- Electron Microscopy Resource Center, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Lavoisier S Ramos-Espiritu
- High-Throughput and Spectroscopy Resource Center, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Wei Wang
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Jack Zhang
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Jae-Won Shim
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan-si, Korea
| | - Gabriele Ciceri
- Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, 1275 York Ave., New York, NY 10065, USA; Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Ave., New York, NY 10065, USA
| | - Lars Brichta
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Lorenz Studer
- Center for Stem Cell Biology, Memorial Sloan Kettering Cancer Center, 1275 York Ave., New York, NY 10065, USA; Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Ave., New York, NY 10065, USA.
| | - Paul Greengard
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Ave., New York, NY 10065, USA
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94
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Airini R, Iordache F, Alexandru D, Savu L, Epureanu FB, Mihailescu D, Amuzescu B, Maniu H. Senescence-induced immunophenotype, gene expression and electrophysiology changes in human amniocytes. J Cell Mol Med 2019; 23:7233-7245. [PMID: 31478614 PMCID: PMC6815807 DOI: 10.1111/jcmm.14495] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 05/21/2019] [Accepted: 05/26/2019] [Indexed: 12/23/2022] Open
Abstract
The aim of the study was to evidence replicative senescence‐induced changes in human amniocytes via flow cytometry, quantitative reverse‐transcription‐polymerase chain reaction (qRT‐PCR) and automated/manual patch‐clamp. Both cryopreserved and senescent amniocytes cultured in BIO‐AMF‐2 medium featured high percentages of pluripotency cell surface antigens SSEA‐1, SSEA‐4, TRA1‐60, TRA1‐81 (assessed by flow cytometry) and expression of pluripotency markers Oct4 (Pou5f1) and Nanog (by qRT‐PCR). We demonstrated in senescent vs cryopreserved amniocytes decreases in mesenchymal stem cell surface markers. Senescence‐associated β‐galactosidase stained only senescent amniocytes, and they showed no deoxyuridine incorporation. The gene expression profile revealed a secretory phenotype of senescent amniocytes (increased interleukin (IL)‐1α, IL‐6, IL‐8, transforming growth factor β, nuclear factor κB p65 expression), increases for cell cycle‐regulating genes (p16INK4A), cytoskeletal elements (β‐actin); HMGB1, c‐Myc, Bcl‐2 showed reduced changes and p21, MDM2 decreased. Via patch‐clamp we identified five ion current components: outward rectifier K+ current, an inactivatable component, big conductance Ca2+‐dependent K+ channels (BK) current fluctuations, Na+ current, and inward rectifier K+ current. Iberiotoxin 100 nmol/L blocked 71% of BK fluctuations, and lidocaine 200 μmol/L exerted use‐dependent Na+ current block. Transient receptor potential (TRP)M7‐like current density at −120 mV was significantly increased in senescent amniocytes. The proinflammatory profile acquired by senescent amniocytes in vitro may prevent their use in clinical therapies for immunosuppression, antiapoptotic and healing effects.
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Affiliation(s)
- Razvan Airini
- Department of Biophysics & Physiology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Florin Iordache
- Department of Regenerative Medicine, "N. Simionescu" Institute of Cell Biology and Pathology, Bucharest, Romania
| | - Dorin Alexandru
- Department of Regenerative Medicine, "N. Simionescu" Institute of Cell Biology and Pathology, Bucharest, Romania
| | - Lorand Savu
- Genetic Lab S.R.L., Bucharest, Romania.,Fundeni Clinical Institute, Bucharest, Romania
| | - Florin Bogdan Epureanu
- Department of Biophysics & Physiology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Dan Mihailescu
- Department of Biophysics & Physiology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Bogdan Amuzescu
- Department of Biophysics & Physiology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Horia Maniu
- Department of Regenerative Medicine, "N. Simionescu" Institute of Cell Biology and Pathology, Bucharest, Romania
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95
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Moreno-Blas D, Gorostieta-Salas E, Pommer-Alba A, Muciño-Hernández G, Gerónimo-Olvera C, Maciel-Barón LA, Konigsberg M, Massieu L, Castro-Obregón S. Cortical neurons develop a senescence-like phenotype promoted by dysfunctional autophagy. Aging (Albany NY) 2019; 11:6175-6198. [PMID: 31469660 PMCID: PMC6738425 DOI: 10.18632/aging.102181] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 08/09/2019] [Indexed: 12/15/2022]
Abstract
Senescent cells accumulate in various tissues and organs with aging altering surrounding tissue due to an active secretome, and at least in mice their elimination extends healthy lifespan and ameliorates several chronic diseases. Whether all cell types senesce, including post-mitotic cells, has been poorly described mainly because cellular senescence was defined as a permanent cell cycle arrest. Nevertheless, neurons with features of senescence have been described in old rodent and human brains. In this study we characterized an in vitro model useful to study the molecular basis of senescence of primary rat cortical cells that recapitulates senescent features described in brain aging. We found that in long-term cultures, rat primary cortical neurons displayed features of cellular senescence before glial cells did, and developed a functional senescence-associated secretory phenotype able to induce paracrine premature senescence of mouse embryonic fibroblasts but proliferation of rat glial cells. Functional autophagy seems to prevent neuronal senescence, as we observed an autophagic flux reduction in senescent neurons both in vitro and in vivo, and autophagy impairment induced cortical cell senescence while autophagy stimulation inhibited it. Our findings suggest that aging-associated dysfunctional autophagy contributes to senescence transition also in neuronal cells.
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Affiliation(s)
- Daniel Moreno-Blas
- Departamento de Neurodesarrollo y Fisiología, División de Neurociencias, Instituto de Fisiología Celular, UNAM, Mexico City 04510, México
| | - Elisa Gorostieta-Salas
- Departamento de Neurodesarrollo y Fisiología, División de Neurociencias, Instituto de Fisiología Celular, UNAM, Mexico City 04510, México
| | - Alexander Pommer-Alba
- Departamento de Neurodesarrollo y Fisiología, División de Neurociencias, Instituto de Fisiología Celular, UNAM, Mexico City 04510, México
| | - Gabriel Muciño-Hernández
- Departamento de Neurodesarrollo y Fisiología, División de Neurociencias, Instituto de Fisiología Celular, UNAM, Mexico City 04510, México
| | - Cristian Gerónimo-Olvera
- Departamento de Neuropatología, División de Neurociencias, Instituto de Fisiología Celular, UNAM, Mexico City 04510, México
| | - Luis Angel Maciel-Barón
- Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana, Unidad Iztapalapa, Mexico City 09340, México
| | - Mina Konigsberg
- Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana, Unidad Iztapalapa, Mexico City 09340, México
| | - Lourdes Massieu
- Departamento de Neuropatología, División de Neurociencias, Instituto de Fisiología Celular, UNAM, Mexico City 04510, México
| | - Susana Castro-Obregón
- Departamento de Neurodesarrollo y Fisiología, División de Neurociencias, Instituto de Fisiología Celular, UNAM, Mexico City 04510, México
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The TGF-β1/p53/PAI-1 Signaling Axis in Vascular Senescence: Role of Caveolin-1. Biomolecules 2019; 9:biom9080341. [PMID: 31382626 PMCID: PMC6723262 DOI: 10.3390/biom9080341] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 07/31/2019] [Accepted: 08/02/2019] [Indexed: 12/14/2022] Open
Abstract
Stress-induced premature cellular senescence is a significant factor in the onset of age-dependent disease in the cardiovascular system. Plasminogen activator inhibitor-1 (PAI-1), a major TGF-β1/p53 target gene and negative regulator of the plasmin-based pericellular proteolytic cascade, is elevated in arterial plaques, vessel fibrosis, arteriosclerosis, and thrombosis, correlating with increased tissue TGF-β1 levels. Additionally, PAI-1 is necessary and sufficient for the induction of p53-dependent replicative senescence. The mechanism of PAI-1 transcription in senescent cells appears to be dependent on caveolin-1 signaling. Src kinases are upstream effectors of both FAK and caveolin-1 activation as FAKY577,Y861 and caveolin-1Y14 phosphorylation are not detected in TGF-β1-stimulated src family kinase (pp60c-src, Yes, Fyn) triple-deficient (SYF−/−/−) cells. However, restoration of pp60c-src expression in SYF-null cells rescued both caveolin-1Y14 phosphorylation and PAI-1 induction in response to TGF-β1. Furthermore, TGF-β1-initiated Src phosphorylation of caveolin-1Y14 is critical in Rho-ROCK-mediated suppression of the SMAD phosphatase PPM1A maintaining and, accordingly, SMAD2/3-dependent transcription of the PAI-1 gene. Importantly, TGF-β1 failed to induce PAI-1 expression in caveolin-1-null cells, correlating with reductions in both Rho-GTP loading and SMAD2/3 phosphorylation. These findings implicate caveolin-1 in expression controls on specific TGF-β1/p53 responsive growth arrest genes. Indeed, up-regulation of caveolin-1 appears to stall cells in G0/G1 via activation of the p53/p21 cell cycle arrest pathway and restoration of caveolin-1 in caveolin-1-deficient cells rescues TGF-β1 inducibility of the PAI-1 gene. Although the mechanism is unclear, caveolin-1 inhibits p53/MDM2 complex formation resulting in p53 stabilization, induction of p53-target cell cycle arrest genes (including PAI-1), and entrance into premature senescence while stimulating the ATM→p53→p21 pathway. Identification of molecular events underlying senescence-associated PAI-1 expression in response to TGF-β1/src kinase/p53 signaling may provide novel targets for the therapy of cardiovascular disease.
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Soto-Gamez A, Quax WJ, Demaria M. Regulation of Survival Networks in Senescent Cells: From Mechanisms to Interventions. J Mol Biol 2019; 431:2629-2643. [DOI: 10.1016/j.jmb.2019.05.036] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/20/2019] [Accepted: 05/23/2019] [Indexed: 01/10/2023]
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98
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In vitro model of chronological aging of adipocytes: Interrelationships with hypoxia and oxidation. Exp Gerontol 2019; 121:81-90. [DOI: 10.1016/j.exger.2019.03.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 03/25/2019] [Accepted: 03/26/2019] [Indexed: 01/07/2023]
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100
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Abstract
Cellular senescence (CS) is one of hallmarks of aging and accumulation of senescent cells (SCs) with age contributes to tissue or organismal aging, as well as the pathophysiologies of diverse age-related diseases (ARDs). Genetic ablation of SCs in tissues lengthened health span and reduced the risk of age-related pathologies in a mouse model, suggesting a direct link between SCs, longevity, and ARDs. Therefore, senotherapeutics, medicines targeting SCs, might be an emerging strategy for the extension of health span, and prevention or treatment of ARDs. Senotherapeutics are classified as senolytics which kills SCs selectively; senomorphics which modulate functions and morphology of SCs to those of young cells, or delays the progression of young cells to SCs in tissues; and immune-system mediators of the clearance of SCs. Some senolytics and senomorphics have been proven to markedly prevent or treat ARDs in animal models. This review will present the current status of the development of senotherapeutics, in relation to aging itself and ARDs. Finally, future directions and opportunities for senotherapeutics use will discussed. This knowledge will provide information that can be used to develop novel senotherapeutics for health span and ARDs. [BMB Reports 2019; 52(1): 47-55].
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Affiliation(s)
- Eok-Cheon Kim
- Department of Biochemistry and Molecular Biology, Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu 42415, Korea
| | - Jae-Ryong Kim
- Department of Biochemistry and Molecular Biology, Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu 42415, Korea
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