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Zhu H, Guo X, Zhang Y, Khan A, Pang Y, Song H, Zhao H, Liu Z, Qiao H, Xie J. The Combined Anti-Aging Effect of Hydrolyzed Collagen Oligopeptides and Exosomes Derived from Human Umbilical Cord Mesenchymal Stem Cells on Human Skin Fibroblasts. Molecules 2024; 29:1468. [PMID: 38611748 PMCID: PMC11013016 DOI: 10.3390/molecules29071468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/08/2024] [Accepted: 03/18/2024] [Indexed: 04/14/2024] Open
Abstract
Stem cell-derived exosomes (SC-Exos) are used as a source of regenerative medicine, but certain limitations hinder their uses. The effect of hydrolyzed collagen oligopeptides (HCOPs), a functional ingredient of SC-Exos is not widely known to the general public. We herein evaluated the combined anti-aging effects of HCOPs and exosomes derived from human umbilical cord mesenchymal stem cells (HucMSC-Exos) using a senescence model established on human skin fibroblasts (HSFs). This study discovered that cells treated with HucMSC-Exos + HCOPs enhanced their proliferative and migratory capabilities; reduced both reactive oxygen species production and senescence-associated β-galactosidase activity; augmented type I and type III collagen expression; attenuated the expression of matrix-degrading metalloproteinases (MMP-1, MMP-3, and MMP-9), interleukin 1 beta (IL-1β), and tumor necrosis factor-alpha (TNF-α); and decreased the expression of p16, p21, and p53 as compared with the cells treated with HucMSC-Exos or HCOPs alone. These results suggest a possible strategy for enhancing the skin anti-aging ability of HucMSC-Exos with HCOPs.
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Affiliation(s)
- Huimin Zhu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, MOE Key Laboratory of Coal Environmental Pathogenicity and Prevention, Shanxi Medical University, Taiyuan 030001, China; (H.Z.); (X.G.); (Y.Z.); (Y.P.); (H.S.); (H.Z.); (Z.L.)
| | - Xin Guo
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, MOE Key Laboratory of Coal Environmental Pathogenicity and Prevention, Shanxi Medical University, Taiyuan 030001, China; (H.Z.); (X.G.); (Y.Z.); (Y.P.); (H.S.); (H.Z.); (Z.L.)
| | - Yongqing Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, MOE Key Laboratory of Coal Environmental Pathogenicity and Prevention, Shanxi Medical University, Taiyuan 030001, China; (H.Z.); (X.G.); (Y.Z.); (Y.P.); (H.S.); (H.Z.); (Z.L.)
| | - Ajab Khan
- Department of Veterinary Pathology, Faculty of Veterinary and Animal Sciences, The University of Agriculture, Dera Ismail Khan 29050, Pakistan;
| | - Yinuo Pang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, MOE Key Laboratory of Coal Environmental Pathogenicity and Prevention, Shanxi Medical University, Taiyuan 030001, China; (H.Z.); (X.G.); (Y.Z.); (Y.P.); (H.S.); (H.Z.); (Z.L.)
| | - Huifang Song
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, MOE Key Laboratory of Coal Environmental Pathogenicity and Prevention, Shanxi Medical University, Taiyuan 030001, China; (H.Z.); (X.G.); (Y.Z.); (Y.P.); (H.S.); (H.Z.); (Z.L.)
| | - Hong Zhao
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, MOE Key Laboratory of Coal Environmental Pathogenicity and Prevention, Shanxi Medical University, Taiyuan 030001, China; (H.Z.); (X.G.); (Y.Z.); (Y.P.); (H.S.); (H.Z.); (Z.L.)
| | - Zhizhen Liu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, MOE Key Laboratory of Coal Environmental Pathogenicity and Prevention, Shanxi Medical University, Taiyuan 030001, China; (H.Z.); (X.G.); (Y.Z.); (Y.P.); (H.S.); (H.Z.); (Z.L.)
| | - Hua Qiao
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, MOE Key Laboratory of Coal Environmental Pathogenicity and Prevention, Shanxi Medical University, Taiyuan 030001, China; (H.Z.); (X.G.); (Y.Z.); (Y.P.); (H.S.); (H.Z.); (Z.L.)
| | - Jun Xie
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, MOE Key Laboratory of Coal Environmental Pathogenicity and Prevention, Shanxi Medical University, Taiyuan 030001, China; (H.Z.); (X.G.); (Y.Z.); (Y.P.); (H.S.); (H.Z.); (Z.L.)
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Zhou S, Cui J, Shi Y. Serine Metabolism Regulates the Replicative Senescence of Human Dental Pulp Cells through Histone Methylation. Curr Issues Mol Biol 2024; 46:2856-2870. [PMID: 38666909 PMCID: PMC11049641 DOI: 10.3390/cimb46040179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 03/16/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024] Open
Abstract
Tissue regeneration therapy based on human dental pulp cells (hDPCs) faces the distinct challenge of cellular senescence during massive expansion in vitro. To further explore the regulatory mechanism of cellular senescence in hDPCs, we conduct experiments on young cells (Passage 5, P5) and replicative senescent (Passage 12, P12) hDPCs. The results confirm that hDPCs undergo replicative senescence with passaging, during which their ability to proliferate and osteogenic differentiation decreases. Notably, during replicative senescence, phosphoglycerate dehydrogenase (PHGDH), the key enzyme of the serine synthesis pathway (SSP), is significantly downregulated, as well as S-adenosylmethionine (SAM) levels, resulting in reduced H3K36me3 modification on Sirtuin 1 (SIRT1)and Runt-related transcription factor 2 (RUNX2) promoters. Inhibition of PHGDH leads to the same phenotype as replicative senescence. Serine supplementation fails to rescue the senescence phenotype caused by replicative senescence and inhibitors, in which folate metabolism-related genes, including serine hydroxymethyl transferase 2 (SHMT2), methylenetetrahydrofolate dehydrogenase 1(MTHFD1), methylenetetrahydrofolate dehydrogenase 2(MTHFD2), are notably decreased. Our research raised a possibility that PHGDH may be involved in cellular senescence by affecting folate metabolism and histone methylation in addition to serine biosynthesis, providing potential targets to prevent senescence.
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Affiliation(s)
- Shuhan Zhou
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (S.Z.); (J.C.)
| | - Jingyao Cui
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (S.Z.); (J.C.)
- Department of Endodontics, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yu Shi
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (S.Z.); (J.C.)
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Dubey SK, Dubey R, Prajapati SC, Jung K, Mohan K, Liu X, Roney J, Tian W, Abney J, Giarmarco MM, Hernandez AG, Liu J, Kleinman ME. Histone deficiency and hypoacetylation in the aging retinal pigment epithelium. Aging Cell 2024:e14108. [PMID: 38408164 DOI: 10.1111/acel.14108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/24/2024] [Accepted: 01/30/2024] [Indexed: 02/28/2024] Open
Abstract
Histones serve as a major carrier of epigenetic information in the form of post-translational modifications which are vital for controlling gene expression, maintaining cell identity, and ensuring proper cellular function. Loss of histones in the aging genome can drastically impact the epigenetic landscape of the cell leading to altered chromatin structure and changes in gene expression profiles. In this study, we investigated the impact of age-related changes on histone levels and histone acetylation in the retinal pigment epithelium (RPE) and retina of mice. We observed a global reduction of histones H1, H2A, H2B, H3, and H4 in aged RPE/choroid but not in the neural retina. Transcriptomic analyses revealed significant downregulation of histones in aged RPE/choroid including crucial elements of the histone locus body (HLB) complex involved in histone pre-mRNA processing. Knockdown of HINFP, a key HLB component, in human RPE cells induced histone loss, senescence, and the upregulation of senescence-associated secretory phenotype (SASP) markers. Replicative senescence and chronological aging in human RPE cells similarly resulted in progressive histone loss and acquisition of the SASP. Immunostaining of human retina sections revealed histone loss in RPE with age. Acetyl-histone profiling in aged mouse RPE/choroid revealed a specific molecular signature with loss of global acetyl-histone levels, including H3K14ac, H3K56ac, and H4K16ac marks. These findings strongly demonstrate histone loss as a unique feature of RPE aging and provide critical insights into the potential mechanisms linking histone dynamics, cellular senescence, and aging.
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Affiliation(s)
- Sushil K Dubey
- Department of Surgery, East Tennessee State University, Johnson City, Tennessee, USA
| | - Rashmi Dubey
- Department of Surgery, East Tennessee State University, Johnson City, Tennessee, USA
| | - Subhash C Prajapati
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia, USA
| | - Kyungsik Jung
- Department of Surgery, East Tennessee State University, Johnson City, Tennessee, USA
| | - Kabhilan Mohan
- Department of Surgery, East Tennessee State University, Johnson City, Tennessee, USA
| | - Xinan Liu
- Department of Computer Science, University of Kentucky, Lexington, Kentucky, USA
| | - Jacob Roney
- Department of Ophthalmology and Visual Sciences, University of Kentucky, Lexington, Kentucky, USA
| | - Wenjian Tian
- Department of Surgery, East Tennessee State University, Johnson City, Tennessee, USA
| | - Jennifer Abney
- Department of Ophthalmology and Visual Sciences, University of Kentucky, Lexington, Kentucky, USA
| | | | - Alvaro G Hernandez
- Roy J. Carver Biotechnology Center, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Jinze Liu
- Department of Biostatistics, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Mark E Kleinman
- Department of Surgery, East Tennessee State University, Johnson City, Tennessee, USA
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Sangsuwan T, Pour Khavari A, Blomberg E, Romell T, Godoy PRDVD, Harms-Ringdahl M, Haghdoost S. Oxidative Stress Levels and DNA Repair Kinetics in Senescent Primary Human Fibroblasts Exposed to Chronic Low Dose Rate of Ionizing Radiation. FRONT BIOSCI-LANDMRK 2023; 28:296. [PMID: 38062840 DOI: 10.31083/j.fbl2811296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/09/2023] [Accepted: 09/13/2023] [Indexed: 12/18/2023]
Abstract
BACKGROUND Exposure to low dose rate (LDR) radiation may accelerate aging processes. Previously, we identified numerous LDR-induced pathways involved in oxidative stress (OS) and antioxidant systems, suggesting that these pathways protect against premature senescence (PS). This study aimed to investigate if there are differences between young replicative senescent (RS) and PS cells considering DNA repair kinetics, OS, and DNA damage localized in the telomeres. METHODS We established PS cells by culturing and passaging young primary fibroblasts exposed to LDR. Then, RS cells were established by culturing and passaging young fibroblasts until they stopped proliferating. Senescence was characterized by analyzing telomere length and senescence-associated β-galactosidase (SA-β-gal) staining. DNA damage and repair were evaluated with γH2AX foci formation; telomere identification was carried out using the fluorescence in situ hybridization (FISH) probe; and oxidative stress was assessed by measuring 8-oxo-dG in the medium. RESULTS The data indicate the following: young cells have a better ability to cope with LDR-induced oxidative stress; RS and PS have higher steady-state levels of DNA damage; RS have slower DNA repair kinetics; and PS/RS have elevated levels of telomeric DNA damage. CONCLUSION Our main conclusion is that PS and RS differ regarding DNA repair kinetics and SA-β-gal levels.
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Affiliation(s)
- Traimate Sangsuwan
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-10691 Stockholm, Sweden
| | - Ali Pour Khavari
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-10691 Stockholm, Sweden
| | - Evelina Blomberg
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-10691 Stockholm, Sweden
| | - Tajanena Romell
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-10691 Stockholm, Sweden
| | | | - Mats Harms-Ringdahl
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-10691 Stockholm, Sweden
| | - Siamak Haghdoost
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-10691 Stockholm, Sweden
- CIMAP/ARIA team, University of Caen Normandy, 14000 Caen, France
- Advanced Resource Center for HADrontherapy in Europe (ARCHADE), 14000 Caen, France
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Atasoy-Zeybek A, Hawse GP, Nagelli CV, Lopez De Padilla C, Abdel MP, Evans CH. Transcriptomic changes during the replicative senescence of human articular chondrocytes. bioRxiv 2023:2023.11.07.565835. [PMID: 37986862 PMCID: PMC10659330 DOI: 10.1101/2023.11.07.565835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Osteoarthritis (OA) is a degenerative joint disease and a leading cause of disability worldwide. Aging is a major risk factor for OA, but the specific mechanisms underlying this connection remain unclear. Although chondrocytes rarely divide in adult articular cartilage, they undergo replicative senescence in vitro which provides an opportunity to study changes related to aging under controlled laboratory conditions. In this pilot study, we performed bulk RNA sequencing on early- and late-passage human articular chondrocytes to identify transcriptomic changes associated with cellular aging. Chondrocytes were isolated from the articular cartilage of three donors, two with OA (age 70-80 years) and one with healthy cartilage (age 26 years). Chondrocytes were serially passaged until replicative senescence and RNA extracted from early- and late-passage cells. Principal component analysis of all genes showed clear separation between early- and late-passage chondrocytes, indicating substantial age-related differences in gene expression. Differentially expressed genes (DEGs) analysis confirmed distinct transcriptomic profiles between early- and late-passage chondrocytes. Hierarchical clustering revealed contrasting expression patterns between the two isolates from osteoarthritic samples and the healthy sample. Focused analysis of DEGs on transcripts associated with turnover of the extra-cellular matrix and the senescence-associated secretory phenotype (SASP) showed consistent downregulation of Col2A1 and ACAN, and upregulation of MMP19, ADAMTS4, and ADAMTS8 in late passage chondrocytes across all samples. SASP components including IL-1α, IL-1β, IL-6, IL-7, p16INK4A (CDKN2A) and CCL2 demonstrated significant upregulation in late passage chondrocytes originally isolated from OA samples. Pathway analysis between sexes with OA revealed shared pathways such as extracellular matrix (ECM) organization, collagen formation, skeletal and muscle development, and nervous system development. Sex-specific differences were observed, with males showing distinctions in ECM organization, regulation of the cell cycle process as well as neuron differentiation. In contrast, females exhibited unique variations in the regulation of the cell cycle process, DNA metabolic process, and the PID-PLK1 pathway.
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Affiliation(s)
- Aysegul Atasoy-Zeybek
- Musculoskeletal Gene Therapy Research Laboratory, Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Gresin P. Hawse
- Musculoskeletal Gene Therapy Research Laboratory, Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Christopher V. Nagelli
- Musculoskeletal Gene Therapy Research Laboratory, Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Consuelo Lopez De Padilla
- Musculoskeletal Gene Therapy Research Laboratory, Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Matthew P. Abdel
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Christopher H. Evans
- Musculoskeletal Gene Therapy Research Laboratory, Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
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Papaspyropoulos A, Hazapis O, Altulea A, Polyzou A, Verginis P, Evangelou K, Fousteri M, Papantonis A, Demaria M, Gorgoulis V. Decoding of translation-regulating entities reveals heterogeneous translation deficiency patterns in cellular senescence. Aging Cell 2023; 22:e13893. [PMID: 37547972 PMCID: PMC10497830 DOI: 10.1111/acel.13893] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 05/04/2023] [Indexed: 08/08/2023] Open
Abstract
Cellular senescence constitutes a generally irreversible proliferation barrier, accompanied by macromolecular damage and metabolic rewiring. Several senescence types have been identified based on the initiating stimulus, such as replicative (RS), stress-induced (SIS) and oncogene-induced senescence (OIS). These senescence subtypes are heterogeneous and often develop subset-specific phenotypes. Reduced protein synthesis is considered a senescence hallmark, but whether this trait pertains to various senescence subtypes and if distinct molecular mechanisms are involved remain largely unknown. Here, we analyze large published or experimentally produced RNA-seq and Ribo-seq datasets to determine whether major translation-regulating entities such as ribosome stalling, the presence of uORFs/dORFs and IRES elements may differentially contribute to translation deficiency in senescence subsets. We show that translation-regulating mechanisms may not be directly relevant to RS, however uORFs are significantly enriched in SIS. Interestingly, ribosome stalling, uORF/dORF patterns and IRES elements comprise predominant mechanisms upon OIS, strongly correlating with Notch pathway activation. Our study provides for the first time evidence that major translation dysregulation mechanisms/patterns occur during cellular senescence, but at different rates depending on the stimulus type. The degree at which those mechanisms accumulate directly correlates with translation deficiency levels. Our thorough analysis contributes to elucidating crucial and so far unknown differences in the translation machinery between senescence subsets.
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Affiliation(s)
- Angelos Papaspyropoulos
- Molecular Carcinogenesis Group, Department of Histology and Embryology, School of MedicineNational Kapodistrian University of Athens (NKUA)AthensGreece
- Biomedical Research FoundationAcademy of AthensAthensGreece
| | - Orsalia Hazapis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, School of MedicineNational Kapodistrian University of Athens (NKUA)AthensGreece
| | - Abdullah Altulea
- European Research Institute for the Biology of Ageing (ERIBA)University Medical Center GroningenGroningenThe Netherlands
| | - Aikaterini Polyzou
- Molecular Carcinogenesis Group, Department of Histology and Embryology, School of MedicineNational Kapodistrian University of Athens (NKUA)AthensGreece
| | | | - Konstantinos Evangelou
- Molecular Carcinogenesis Group, Department of Histology and Embryology, School of MedicineNational Kapodistrian University of Athens (NKUA)AthensGreece
| | - Maria Fousteri
- Institute for Fundamental Biomedical ResearchBiomedical Sciences Research Center “Alexander Fleming”VariGreece
| | - Argyris Papantonis
- Institute of PathologyUniversity Medical Center GöttingenGöttingenGermany
- Center for Molecular Medicine CologneUniversity of CologneCologneGermany
| | - Marco Demaria
- European Research Institute for the Biology of Ageing (ERIBA)University Medical Center GroningenGroningenThe Netherlands
| | - Vassilis Gorgoulis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, School of MedicineNational Kapodistrian University of Athens (NKUA)AthensGreece
- Biomedical Research FoundationAcademy of AthensAthensGreece
- Clinical Molecular PathologyMedical School, University of DundeeDundeeUK
- Molecular and Clinical Cancer Sciences, Manchester Cancer Research Centre, Manchester Academic Health Sciences CentreUniversity of ManchesterManchesterUK
- Center for New Biotechnologies and Precision MedicineMedical School, National and Kapodistrian University of AthensAthensGreece
- Faculty of Health and Medical SciencesUniversity of SurreySurreyUK
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Lim HJ, Jang WB, Rethineswaran VK, Choi J, Lee EJ, Park S, Jeong Y, Ha JS, Yun J, Choi YJ, Hong YJ, Kwon SM. StemRegenin-1 Attenuates Endothelial Progenitor Cell Senescence by Regulating the AhR Pathway-Mediated CYP1A1 and ROS Generation. Cells 2023; 12:2005. [PMID: 37566085 PMCID: PMC10417434 DOI: 10.3390/cells12152005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/04/2023] [Accepted: 08/04/2023] [Indexed: 08/12/2023] Open
Abstract
Endothelial progenitor cell (EPC)-based stem cell therapy is a promising therapeutic strategy for vascular diseases. However, continuous in vitro expansion for clinical studies induces the loss of EPC functionality due to aging. In this study, we investigated the effects of StemRegenin-1 (SR-1), an antagonist of aryl hydrocarbon receptor (AhR), on replicative senescence in EPCs. We found that SR-1 maintained the expression of EPC surface markers, including stem cell markers, such as CD34, c-Kit, and CXCR4. Moreover, SR-1 long-term-treated EPCs preserved their characteristics. Subsequently, we demonstrated that SR-1 showed that aging phenotypes were reduced through senescence-associated phenotypes, such as β-galactosidase activity, SMP30, p21, p53, and senescence-associated secretory phenotype (SASP). SR-1 treatment also increased the proliferation, migration, and tube-forming capacity of senescent EPCs. SR-1 inhibited the AhR-mediated cytochrome P450 (CYP)1A1 expression, reactive-oxygen species (ROS) production, and DNA damage under oxidative stress conditions in EPCs. Furthermore, as a result of CYP1A1-induced ROS inhibition, it was found that accumulated intracellular ROS were decreased in senescent EPCs. Finally, an in vivo Matrigel plug assay demonstrated drastically enhanced blood vessel formation via SR-1-treated EPCs. In summary, our results suggest that SR-1 contributes to the protection of EPCs against cellular senescence.
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Affiliation(s)
- Hye Ji Lim
- Laboratory for Vascular Medicine and Stem Cell Biology, Department of Physiology, Medical Research Institute, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; (H.J.L.); (W.B.J.); (V.K.R.); (J.C.); (E.J.L.); (S.P.); (Y.J.); (J.S.H.); (J.Y.)
- Convergence Stem Cell Research Center, Pusan National University, Yangsan 50612, Republic of Korea
| | - Woong Bi Jang
- Laboratory for Vascular Medicine and Stem Cell Biology, Department of Physiology, Medical Research Institute, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; (H.J.L.); (W.B.J.); (V.K.R.); (J.C.); (E.J.L.); (S.P.); (Y.J.); (J.S.H.); (J.Y.)
- Convergence Stem Cell Research Center, Pusan National University, Yangsan 50612, Republic of Korea
| | - Vinoth Kumar Rethineswaran
- Laboratory for Vascular Medicine and Stem Cell Biology, Department of Physiology, Medical Research Institute, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; (H.J.L.); (W.B.J.); (V.K.R.); (J.C.); (E.J.L.); (S.P.); (Y.J.); (J.S.H.); (J.Y.)
- Convergence Stem Cell Research Center, Pusan National University, Yangsan 50612, Republic of Korea
| | - Jaewoo Choi
- Laboratory for Vascular Medicine and Stem Cell Biology, Department of Physiology, Medical Research Institute, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; (H.J.L.); (W.B.J.); (V.K.R.); (J.C.); (E.J.L.); (S.P.); (Y.J.); (J.S.H.); (J.Y.)
- Convergence Stem Cell Research Center, Pusan National University, Yangsan 50612, Republic of Korea
| | - Eun Ji Lee
- Laboratory for Vascular Medicine and Stem Cell Biology, Department of Physiology, Medical Research Institute, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; (H.J.L.); (W.B.J.); (V.K.R.); (J.C.); (E.J.L.); (S.P.); (Y.J.); (J.S.H.); (J.Y.)
- Convergence Stem Cell Research Center, Pusan National University, Yangsan 50612, Republic of Korea
| | - Sangmi Park
- Laboratory for Vascular Medicine and Stem Cell Biology, Department of Physiology, Medical Research Institute, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; (H.J.L.); (W.B.J.); (V.K.R.); (J.C.); (E.J.L.); (S.P.); (Y.J.); (J.S.H.); (J.Y.)
- Convergence Stem Cell Research Center, Pusan National University, Yangsan 50612, Republic of Korea
| | - Yeoreum Jeong
- Laboratory for Vascular Medicine and Stem Cell Biology, Department of Physiology, Medical Research Institute, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; (H.J.L.); (W.B.J.); (V.K.R.); (J.C.); (E.J.L.); (S.P.); (Y.J.); (J.S.H.); (J.Y.)
- Convergence Stem Cell Research Center, Pusan National University, Yangsan 50612, Republic of Korea
| | - Jong Seong Ha
- Laboratory for Vascular Medicine and Stem Cell Biology, Department of Physiology, Medical Research Institute, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; (H.J.L.); (W.B.J.); (V.K.R.); (J.C.); (E.J.L.); (S.P.); (Y.J.); (J.S.H.); (J.Y.)
- Convergence Stem Cell Research Center, Pusan National University, Yangsan 50612, Republic of Korea
| | - Jisoo Yun
- Laboratory for Vascular Medicine and Stem Cell Biology, Department of Physiology, Medical Research Institute, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; (H.J.L.); (W.B.J.); (V.K.R.); (J.C.); (E.J.L.); (S.P.); (Y.J.); (J.S.H.); (J.Y.)
- Convergence Stem Cell Research Center, Pusan National University, Yangsan 50612, Republic of Korea
| | - Young Jin Choi
- Department of Hemato-Oncology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea;
| | - Young Joon Hong
- Department of Cardiology, Chonnam National University School of Medicine, Chonnam National University Hospital, Gwangju 61469, Republic of Korea
| | - Sang-Mo Kwon
- Laboratory for Vascular Medicine and Stem Cell Biology, Department of Physiology, Medical Research Institute, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; (H.J.L.); (W.B.J.); (V.K.R.); (J.C.); (E.J.L.); (S.P.); (Y.J.); (J.S.H.); (J.Y.)
- Convergence Stem Cell Research Center, Pusan National University, Yangsan 50612, Republic of Korea
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Anastasopoulos NA, Charchanti AV, Barbouti A, Mastoridou EM, Goussia AC, Karampa AD, Christodoulou D, Glantzounis GK. The Role of Oxidative Stress and Cellular Senescence in the Pathogenesis of Metabolic Associated Fatty Liver Disease and Related Hepatocellular Carcinoma. Antioxidants (Basel) 2023; 12:1269. [PMID: 37371999 DOI: 10.3390/antiox12061269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/04/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Hepatocellular carcinoma (HCC) represents a worryingly increasing cause of malignancy-related mortality, while Metabolic Associated Fatty Liver Disease (MAFLD) is going to become its most common cause in the next decade. Understanding the complex underlying pathophysiology of MAFLD-related HCC can provide opportunities for successful targeted therapies. Of particular interest in this sequela of hepatopathology is cellular senescence, a complex process characterised by cellular cycle arrest initiated by a variety of endogenous and exogenous cell stressors. A key biological process in establishing and maintaining senescence is oxidative stress, which is present in multiple cellular compartments of steatotic hepatocytes. Oxidative stress-induced cellular senescence can change hepatocyte function and metabolism, and alter, in a paracrine manner, the hepatic microenvironment, enabling disease progression from simple steatosis to inflammation and fibrosis, as well as HCC. The duration of senescence and the cell types it affects can tilt the scale from a tumour-protective self-restricting phenotype to the creator of an oncogenic hepatic milieu. A deeper understanding of the mechanism of the disease can guide the selection of the most appropriate senotherapeutic agent, as well as the optimal timing and cell type targeting for effectively combating HCC.
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Affiliation(s)
- Nikolaos-Andreas Anastasopoulos
- HPB Unit, Department of Surgery, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
- Department of General Surgery, Croydon University Hospital, Croydon Health Services NHS Trust, London CR7 7YE, UK
| | - Antonia V Charchanti
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Alexandra Barbouti
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Eleftheria M Mastoridou
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Anna C Goussia
- Department of Pathology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Anastasia D Karampa
- HPB Unit, Department of Surgery, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Dimitrios Christodoulou
- Department of Gastroenterology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
| | - Georgios K Glantzounis
- HPB Unit, Department of Surgery, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
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9
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Yao Y, Fekete-Szücs E, Rosas Bringas FR, Chang M. Deletion of MEC1 suppresses replicative senescence of the cdc13-2 mutant in Saccharomyces cerevisiae. G3 (Bethesda) 2023; 13:7083857. [PMID: 36947417 PMCID: PMC10151410 DOI: 10.1093/g3journal/jkad065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 02/03/2023] [Accepted: 03/17/2023] [Indexed: 03/23/2023]
Abstract
In Saccharomyces cerevisiae, telomerase recruitment to telomeres depends on a direct interaction between Cdc13, a protein that binds single-stranded telomeric DNA, and the Est1 subunit of telomerase. The cdc13-2 allele disrupts telomerase association with telomeres, resulting in progressive telomere shortening and replicative senescence. The Mec1/ATR kinase is both a positive and negative regulator of telomerase activity, and is required for the cell cycle arrest in telomerase-deficient senescent cells. In this study, we find that deletion of MEC1 suppresses the replicative senescence of cdc13-2. This suppression is dependent on telomerase, indicating that Mec1 antagonizes telomerase-mediated telomere extension in cdc13-2 cells to promote senescence.
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Affiliation(s)
- Yue Yao
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, 9713 AV Groningen, the Netherlands
| | - Enikő Fekete-Szücs
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, 9713 AV Groningen, the Netherlands
| | - Fernando R Rosas Bringas
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, 9713 AV Groningen, the Netherlands
| | - Michael Chang
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, 9713 AV Groningen, the Netherlands
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10
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Rey-Millet M, Pousse M, Soithong C, Ye J, Mendez-Bermudez A, Gilson E. Senescence-associated transcriptional derepression in subtelomeres is determined in a chromosome-end-specific manner. Aging Cell 2023; 22:e13804. [PMID: 36924026 DOI: 10.1111/acel.13804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 02/08/2023] [Accepted: 02/09/2023] [Indexed: 03/18/2023] Open
Abstract
Aging is a continuous process leading to physiological deterioration with age. One of the factors contributing to aging is telomere shortening, causing alterations in the protein protective complex named shelterin and replicative senescence. Here, we address the question of the link between this telomere shortening and the transcriptional changes occurring in senescent cells. We found that in replicative senescent cells, the genes whose expression escaped repression are enriched in subtelomeres. The shelterin protein TRF2 and the nuclear lamina factor Lamin B1, both downregulated in senescent cells, are involved in the regulation of some but not all of these subtelomeric genes, suggesting complex mechanisms of transcriptional regulation. Indeed, the subtelomeres containing these derepressed genes are enriched in factors of polycomb repression (EZH2 and H3K27me3), insulation (CTCF and MAZ), and cohesion (RAD21 and SMC3) while being associated with the open A-type chromatin compartment. These findings unveil that the subtelomere transcriptome associated with senescence is determined in a chromosome-end-specific manner according to the type of higher-order chromatin structure.
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Affiliation(s)
- Martin Rey-Millet
- CNRS, INSERM, IRCAN, Faculty of Medicine Nice, Université Côte d'Azur, Nice, France
| | - Mélanie Pousse
- CNRS, INSERM, IRCAN, Faculty of Medicine Nice, Université Côte d'Azur, Nice, France
| | - Chan Soithong
- CNRS, INSERM, IRCAN, Faculty of Medicine Nice, Université Côte d'Azur, Nice, France
| | - Jing Ye
- Department of Geriatrics, Medical center on Aging of Shanghai Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.,International Laboratory in Hematology, Cancer and Aging, Pôle Sino-Français de Recherches en Sciences du Vivant et Génomique, RuiJin Hospital, Shanghai Jiao Tong University School of Medicine/CNRS/INSERM/University Côte d'Azur, Shanghai, China
| | - Aaron Mendez-Bermudez
- CNRS, INSERM, IRCAN, Faculty of Medicine Nice, Université Côte d'Azur, Nice, France.,Department of Geriatrics, Medical center on Aging of Shanghai Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.,International Laboratory in Hematology, Cancer and Aging, Pôle Sino-Français de Recherches en Sciences du Vivant et Génomique, RuiJin Hospital, Shanghai Jiao Tong University School of Medicine/CNRS/INSERM/University Côte d'Azur, Shanghai, China
| | - Eric Gilson
- CNRS, INSERM, IRCAN, Faculty of Medicine Nice, Université Côte d'Azur, Nice, France.,Department of Geriatrics, Medical center on Aging of Shanghai Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.,International Laboratory in Hematology, Cancer and Aging, Pôle Sino-Français de Recherches en Sciences du Vivant et Génomique, RuiJin Hospital, Shanghai Jiao Tong University School of Medicine/CNRS/INSERM/University Côte d'Azur, Shanghai, China.,Department of medical genetics, CHU, Nice, France
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11
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Che L, Zhu C, Huang L, Xu H, Ma X, Luo X, He H, Zhang T, Wang N. Ginsenoside Rg2 Promotes the Proliferation and Stemness Maintenance of Porcine Mesenchymal Stem Cells through Autophagy Induction. Foods 2023; 12:foods12051075. [PMID: 36900592 PMCID: PMC10000966 DOI: 10.3390/foods12051075] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 02/25/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) can be used as a cell source for cultivated meat production due to their adipose differentiation potential, but MSCs lose their stemness and undergo replicative senescence during expansion in vitro. Autophagy is an important mechanism for senescent cells to remove toxic substances. However, the role of autophagy in the replicative senescence of MSCs is controversial. Here, we evaluated the changes in autophagy in porcine MSCs (pMSCs) during long-term culture in vitro and identified a natural phytochemical, ginsenoside Rg2, that could stimulate pMSC proliferation. First, some typical senescence characteristics were observed in aged pMSCs, including decreased EdU-positive cells, increased senescence-associated beta-galactosidase activity, declined stemness-associated marker OCT4 expression, and enhanced P53 expression. Importantly, autophagic flux was impaired in aged pMSCs, suggesting deficient substrate clearance in aged pMSCs. Rg2 was found to promote the proliferation of pMSCs using MTT assay and EdU staining. In addition, Rg2 inhibited D-galactose-induced senescence and oxidative stress in pMSCs. Rg2 increased autophagic activity via the AMPK signaling pathway. Furthermore, long-term culture with Rg2 promoted the proliferation, inhibited the replicative senescence, and maintained the stemness of pMSCs. These results provide a potential strategy for porcine MSC expansion in vitro.
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Affiliation(s)
- Lina Che
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin 300457, China
| | - Caixia Zhu
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin 300457, China
| | - Lei Huang
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin 300457, China
| | - Hui Xu
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin 300457, China
| | - Xinmiao Ma
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin 300457, China
| | - Xuegang Luo
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin 300457, China
| | - Hongpeng He
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin 300457, China
| | - Tongcun Zhang
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin 300457, China
| | - Nan Wang
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin 300457, China
- Correspondence: ; Tel.: +86-2260-6020-99; Fax: +86-2260-6022-98
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12
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Yang Y, Zhang W, Wang X, Yang J, Cui Y, Song H, Li W, Li W, Wu L, Du Y, He Z, Shi J, Zhang J. A passage-dependent network for estimating the in vitro senescence of mesenchymal stromal/stem cells using microarray, bulk and single cell RNA sequencing. Front Cell Dev Biol 2023; 11:998666. [PMID: 36824368 PMCID: PMC9941187 DOI: 10.3389/fcell.2023.998666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 01/26/2023] [Indexed: 02/10/2023] Open
Abstract
Long-term in vitro culture of human mesenchymal stem cells (MSCs) leads to cell lifespan shortening and growth stagnation due to cell senescence. Here, using sequencing data generated in the public domain, we have established a specific regulatory network of "transcription factor (TF)-microRNA (miRNA)-Target" to provide key molecules for evaluating the passage-dependent replicative senescence of mesenchymal stem cells for the quality control and status evaluation of mesenchymal stem cells prepared by different procedures. Short time-series expression miner (STEM) analysis was performed on the RNA-seq and miRNA-seq databases of mesenchymal stem cells from various passages to reveal the dynamic passage-related changes of miRNAs and mRNAs. Potential miRNA targets were predicted using seven miRNA target prediction databases, including TargetScan, miRTarBase, miRDB, miRWalk, RNA22, RNAinter, and TargetMiner. Then use the TransmiR v2.0 database to obtain experimental-supported transcription factor for regulating the selected miRNA. More than ten sequencing data related to mesenchymal stem cells or mesenchymal stem cells reprogramming were used to validate key miRNAs and mRNAs. And gene set variation analysis (GSVA) was performed to calculate the passage-dependent signature. The results showed that during the passage of mesenchymal stem cells, a total of 29 miRNAs were gradually downregulated and 210 mRNA were gradually upregulated. Enrichment analysis showed that the 29 miRNAs acted as multipotent regulatory factors of stem cells and participated in a variety of signaling pathways, including TGF-beta, HIPPO and oxygen related pathways. 210 mRNAs were involved in cell senescence. According to the target prediction results, the targets of these key miRNAs and mRNAs intersect to form a regulatory network of "TF-miRNA-Target" related to replicative senescence of cultured mesenchymal stem cells, across 35 transcription factor, 7 miRNAs (has-mir-454-3p, has-mir-196b-5p, has-mir-130b-5p, has-mir-1271-5p, has-let-7i-5p, has-let-7a-5p, and has-let-7b-5p) and 7 predicted targets (PRUNE2, DIO2, CPA4, PRKAA2, DMD, DDAH1, and GATA6). This network was further validated by analyzing datasets from a variety of mesenchymal stem cells subculture and lineage reprogramming studies, as well as qPCR analysis of early passages mesenchymal stem cells versus mesenchymal stem cells with senescence morphologies (SA-β-Gal+). The "TF-miRNA-Target" regulatory network constructed in this study reveals the functional mechanism of miRNAs in promoting the senescence of MSCs during in vitro expansion and provides indicators for monitoring the quality of functional mesenchymal stem cells during the preparation and clinical application.
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Affiliation(s)
- Yong Yang
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Wencheng Zhang
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Xicheng Wang
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Jingxian Yang
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Yangyang Cui
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China,Postgraduate Training Base of Shanghai East Hospital, Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Haimeng Song
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Weiping Li
- Department of Gastrointestinal Surgery, The First People’s Hospital of Taicang City, Taicang Affiliated Hospital of Soochow University, Taicang, Jiangsu, China
| | - Wei Li
- Department of General Surgery, Fuzhou Dongxiang District People’s Hospital, Fuzhou, Jiangxi, China
| | - Le Wu
- Department of General Surgery, Fuzhou Dongxiang District People’s Hospital, Fuzhou, Jiangxi, China
| | - Yao Du
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Zhiying He
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China,Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China,Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China,*Correspondence: Zhiying He, ; Jun Shi, ; Jiangnan Zhang,
| | - Jun Shi
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,*Correspondence: Zhiying He, ; Jun Shi, ; Jiangnan Zhang,
| | - Jiangnan Zhang
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China,*Correspondence: Zhiying He, ; Jun Shi, ; Jiangnan Zhang,
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13
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Li Y, Fang G, Cao W, Yuan J, Song S, Peng H, Wang Y, Wang Q. Ezh2 Inhibits Replicative Senescence of Atrial Fibroblasts Through Promotion of H3K27me3 in the Promoter Regions of CDKN2a and Timp4 Genes. J Inflamm Res 2022; 15:4693-4708. [PMID: 35996686 PMCID: PMC9392478 DOI: 10.2147/jir.s374951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 07/23/2022] [Indexed: 11/23/2022] Open
Abstract
Background In most cell types, replicative senescence (RS) is supposed to be a principle causative factor for aging. Atrial fibrosis, pathologically characterized by proliferation of atrial fibroblasts (AFs) and excessive accumulation of extracellular matrix proteins, is the most common substrate of atrial fibrillation (Afib) in the elderly. However, whether AFs’ RS develops in the aged and fibrotic left atrium (LA) and, if yes, what is the key regulator for the pathogenesis of AFs’ RS remain largely unknown. Methods We obtained the left atrial tissues from young (6–8 weeks old) and aged (24 months old) C57BL/6 male mice. Screening and validation of differential genes were performed using comparative analysis of RNA-seq results. Replicative senescence was examined in primary AFs after cell passage. Further gain-of-function and loss-of-function experiments were performed to explore the regulation of the AFs’ RS progression. Results In the present study, we demonstrated that there was a considerable extent of AFs’ RS in the aged and fibrotic LA. Transcriptome screening showed that Ezh2 (Enhancer of zeste homolog 2) was significantly downregulated in the LA tissue of aged mice. Ezh2 is a histone methyltransferase that catalyzes H3K27me3 and mediates transcriptional silencing. We confirmed that Ezh2 was downregulated in the isolated pure senescent AFs. Knockdown of Ezh2 by siRNA or inhibition of Ezh2ʹs methyltransferase activities by GSK-126 and GSK-343 accelerated RS in the early passage of AFs, while its overexpression deaccelerated RS in the late passage of AFs. Mechanistically, Ezh2 suppressed CDKN2a (p16, p19) and Timp4 gene transcription by forming canonical H3K27me3 modifications in their promoter regions. Furthermore, the functional balance between Timp4 and MMP8 in AFs could be collapsed by changes in Ezh2 expression. Conclusion These results thus indicate that Ezh2 is a key regulator of AFs’ RS and this work may provide a basis for future treatments for atrial fibrosis in the elderly.
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Affiliation(s)
- Yingze Li
- Department of Cardiology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200092, People's Republic of China
| | - Guojian Fang
- Department of Cardiology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200092, People's Republic of China
| | - Wei Cao
- Department of Cardiology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200092, People's Republic of China
| | - Jiali Yuan
- Department of Cardiology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200092, People's Republic of China
| | - Shuai Song
- Department of Cardiology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200092, People's Republic of China
| | - Hong Peng
- Department of Cardiology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200092, People's Republic of China
| | - Yuepeng Wang
- Department of Cardiology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200092, People's Republic of China
| | - Qunshan Wang
- Department of Cardiology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200092, People's Republic of China
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14
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Malavolta M, Giacconi R, Piacenza F, Strizzi S, Cardelli M, Bigossi G, Marcozzi S, Tiano L, Marcheggiani F, Matacchione G, Giuliani A, Olivieri F, Crivellari I, Beltrami AP, Serra A, Demaria M, Provinciali M. Simple Detection of Unstained Live Senescent Cells with Imaging Flow Cytometry. Cells 2022; 11:cells11162506. [PMID: 36010584 PMCID: PMC9406876 DOI: 10.3390/cells11162506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 01/10/2023] Open
Abstract
Cellular senescence is a hallmark of aging and a promising target for therapeutic approaches. The identification of senescent cells requires multiple biomarkers and complex experimental procedures, resulting in increased variability and reduced sensitivity. Here, we propose a simple and broadly applicable imaging flow cytometry (IFC) method. This method is based on measuring autofluorescence and morphological parameters and on applying recent artificial intelligence (AI) and machine learning (ML) tools. We show that the results of this method are superior to those obtained measuring the classical senescence marker, senescence-associated beta-galactosidase (SA-β-Gal). We provide evidence that this method has the potential for diagnostic or prognostic applications as it was able to detect senescence in cardiac pericytes isolated from the hearts of patients affected by end-stage heart failure. We additionally demonstrate that it can be used to quantify senescence “in vivo” and can be used to evaluate the effects of senolytic compounds. We conclude that this method can be used as a simple and fast senescence assay independently of the origin of the cells and the procedure to induce senescence.
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Affiliation(s)
- Marco Malavolta
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy
- Correspondence: ; Tel.: +39-0718004116
| | - Robertina Giacconi
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy
| | - Francesco Piacenza
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy
| | - Sergio Strizzi
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy
| | - Maurizio Cardelli
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy
| | - Giorgia Bigossi
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy
| | - Serena Marcozzi
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy
| | - Luca Tiano
- Department of Life and Environmental Sciences, Polytechnical University of Marche, 60121 Ancona, Italy
| | - Fabio Marcheggiani
- Department of Life and Environmental Sciences, Polytechnical University of Marche, 60121 Ancona, Italy
| | - Giulia Matacchione
- Department of Clinical and Molecular Sciences, DISCLIMO, Polytechnical University of Marche, 60121 Ancona, Italy
| | - Angelica Giuliani
- Department of Clinical and Molecular Sciences, DISCLIMO, Polytechnical University of Marche, 60121 Ancona, Italy
| | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences, DISCLIMO, Polytechnical University of Marche, 60121 Ancona, Italy
- Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, 60121 Ancona, Italy
| | - Ilaria Crivellari
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy
| | | | - Alessandro Serra
- Luminex B.V., Het Zuiderkruis 1, 5215 MV ‘s-Hertogenbosch, The Netherlands
| | - Marco Demaria
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), 9713 AV Groningen, The Netherlands
| | - Mauro Provinciali
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy
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15
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Stabenow LK, Zibrova D, Ender C, Helbing DL, Spengler K, Marx C, Wang ZQ, Heller R. Oxidative Glucose Metabolism Promotes Senescence in Vascular Endothelial Cells. Cells 2022; 11:2213. [PMID: 35883656 DOI: 10.3390/cells11142213] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/05/2022] [Accepted: 07/13/2022] [Indexed: 11/21/2022] Open
Abstract
Vascular aging is based on the development of endothelial dysfunction, which is thought to be promoted by senescent cells accumulating in aged tissues and is possibly affected by their environment via inflammatory mediators and oxidative stress. Senescence appears to be closely interlinked with changes in cell metabolism. Here, we describe an upregulation of both glycolytic and oxidative glucose metabolism in replicative senescent endothelial cells compared to young endothelial cells by employing metabolic profiling and glucose flux measurements and by analyzing the expression of key metabolic enzymes. Senescent cells exhibit higher glycolytic activity and lactate production together with an enhanced expression of lactate dehydrogenase A as well as increases in tricarboxylic acid cycle activity and mitochondrial respiration. The latter is likely due to the reduced expression of pyruvate dehydrogenase kinases (PDHKs) in senescent cells, which may lead to increased activity of the pyruvate dehydrogenase complex. Cellular and mitochondrial ATP production were elevated despite signs of mitochondrial dysfunction, such as an increased production of reactive oxygen species and extended mitochondrial mass. A shift from glycolytic to oxidative glucose metabolism induced by pharmacological inhibition of PDHKs in young endothelial cells resulted in premature senescence, suggesting that alterations in cellular glucose metabolism may act as a driving force for senescence in endothelial cells.
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16
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Woo J, Shin S, Ji H, Ryu D, Cho E, Kim Y, Kim J, Park D, Jung E. Isatis tinctoria L. Leaf Extract Inhibits Replicative Senescence in Dermal Fibroblasts by Regulating mTOR-NF-κB-SASP Signaling. Nutrients 2022; 14:nu14091979. [PMID: 35565945 PMCID: PMC9102489 DOI: 10.3390/nu14091979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/04/2022] [Accepted: 05/05/2022] [Indexed: 02/01/2023] Open
Abstract
Senescent fibroblasts progressively deteriorate the functional properties of skin tissue. Senescent cells secrete senescence-associated secretory phenotype (SASP) factor, which causes the aging of surrounding non-senescent cells and accelerates aging in the individuals. Recent findings suggested the senomorphic targeting of the SASP regulation as a new generation of effective therapeutics. We investigated whether Isatis tinctoria L. leaf extract (ITE) inhibited senescence biomarkers p53, p21CDKN1A, and p16INK4A gene expression, and SASP secretions by inhibiting cellular senescence in the replicative senescent human dermal fibroblast (RS-HDF). ITE has been demonstrated to inhibit the secretion of SASP factors in several senomorphic types by regulating the MAPK/NF-κB pathway via its inhibitory effect on mTOR. ITE suppressed the inflammatory response by inhibiting mTOR, MAPK, and IκBα phosphorylation, and blocking the nuclear translocation of NF-κB. In addition, we observed that autophagy pathway was related to inhibitory effect of ITE on cellular senescence. From these results, we concluded that ITE can prevent and restore senescence by blocking the activation and secretion of senescence-related factors generated from RS-HDFs through mTOR-NF-κB regulation.
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Affiliation(s)
- Jieun Woo
- BioSpectrum Life Science Institute, 767, Sinsu-ro, Yongin-si 16827, Korea; (J.W.); (S.S.); (H.J.); (D.R.); (E.C.); (D.P.)
| | - Seoungwoo Shin
- BioSpectrum Life Science Institute, 767, Sinsu-ro, Yongin-si 16827, Korea; (J.W.); (S.S.); (H.J.); (D.R.); (E.C.); (D.P.)
| | - Hyanggi Ji
- BioSpectrum Life Science Institute, 767, Sinsu-ro, Yongin-si 16827, Korea; (J.W.); (S.S.); (H.J.); (D.R.); (E.C.); (D.P.)
| | - Dehun Ryu
- BioSpectrum Life Science Institute, 767, Sinsu-ro, Yongin-si 16827, Korea; (J.W.); (S.S.); (H.J.); (D.R.); (E.C.); (D.P.)
| | - Eunae Cho
- BioSpectrum Life Science Institute, 767, Sinsu-ro, Yongin-si 16827, Korea; (J.W.); (S.S.); (H.J.); (D.R.); (E.C.); (D.P.)
| | - Youngseok Kim
- Shinsegae International Technology Innovation Center, 449, Dosan-daero, Seoul 06015, Korea; (Y.K.); (J.K.)
| | - Junoh Kim
- Shinsegae International Technology Innovation Center, 449, Dosan-daero, Seoul 06015, Korea; (Y.K.); (J.K.)
| | - Deokhoon Park
- BioSpectrum Life Science Institute, 767, Sinsu-ro, Yongin-si 16827, Korea; (J.W.); (S.S.); (H.J.); (D.R.); (E.C.); (D.P.)
| | - Eunsun Jung
- BioSpectrum Life Science Institute, 767, Sinsu-ro, Yongin-si 16827, Korea; (J.W.); (S.S.); (H.J.); (D.R.); (E.C.); (D.P.)
- Correspondence:
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17
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Priolo M, Palermo V, Aiello F, Ciolfi A, Pannone L, Muto V, Motta M, Mancini C, Radio FC, Niceta M, Leoni C, Pintomalli L, Carrozzo R, Rajola G, Mammì C, Zampino G, Martinelli S, Dallapiccola B, Pichierri P, Tartaglia M. SHP2's gain-of-function in Werner syndrome causes childhood disease onset likely resulting from negative genetic interaction. Clin Genet 2022; 102:12-21. [PMID: 35396703 DOI: 10.1111/cge.14140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/21/2022] [Accepted: 04/05/2022] [Indexed: 11/03/2022]
Abstract
Prompt diagnosis of complex phenotypes is a challenging task in clinical genetics. Whole exome sequencing has proved to be effective in solving such conditions. Here, we report on an unpredictable presentation of Werner Syndrome (WRNS) in a 12 year-old girl carrying a homozygous truncating variant in RECQL2, the gene mutated in WRNS, and a de novo activating missense change in PTPN11, the major Noonan syndrome gene, encoding SHP2, a protein tyrosine phosphatase positively controlling RAS function and MAPK signaling, which have tightly been associated with senescence in primary cells. All the major WRNS clinical criteria were present with an extreme precocious onset and were associated with mild intellectual disability, severe growth retardation and facial dysmorphism. Compared to primary fibroblasts from adult subjects with WRNS, proband's fibroblasts showed a dramatically reduced proliferation rate and competence, and a more accelerated senescence, in line with the anticipated WRNS features occurring in the child. In vitro functional characterization of the SHP2 mutant documented its hyperactive behavior and a significantly enhanced activation of the MAPK pathway. Based on the functional interaction of WRN and MAPK signaling in processes relevant to replicative senescence, these findings disclose a unique phenotype likely resulting from negative genetic interaction. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Manuela Priolo
- Genetica Medica, Grande Ospedale Metropolitano "Bianchi Melacrino Morelli", Reggio Calabria, Italy
| | - Valentina Palermo
- Department of Environment and Health Mechanisms, Istituto Superiore di Sanità, Rome, Italy
| | - Francesca Aiello
- Department of Environment and Health Mechanisms, Istituto Superiore di Sanità, Rome, Italy
| | - Andrea Ciolfi
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Luca Pannone
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy.,Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Valentina Muto
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Marialetizia Motta
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Cecilia Mancini
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | | | - Marcello Niceta
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Chiara Leoni
- Center for Rare Disease and Congenital Defects, Fondazione Policlinico Universitario A. Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Letizia Pintomalli
- Genetica Medica, Grande Ospedale Metropolitano "Bianchi Melacrino Morelli", Reggio Calabria, Italy
| | - Rosalba Carrozzo
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Giuseppe Rajola
- UOC Pediatria, Azienda Ospedaliera "Pugliese-Ciaccio", Catanzaro, Italy
| | - Corrado Mammì
- Genetica Medica, Grande Ospedale Metropolitano "Bianchi Melacrino Morelli", Reggio Calabria, Italy
| | - Giuseppe Zampino
- Center for Rare Disease and Congenital Defects, Fondazione Policlinico Universitario A. Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Simone Martinelli
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Bruno Dallapiccola
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Pietro Pichierri
- Department of Environment and Health Mechanisms, Istituto Superiore di Sanità, Rome, Italy
| | - Marco Tartaglia
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
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18
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Nojima I, Hosoda R, Toda Y, Saito Y, Ueda N, Horimoto K, Iwahara N, Horio Y, Kuno A. Downregulation of IGFBP5 contributes to replicative senescence via ERK2 activation in mouse embryonic fibroblasts. Aging (Albany NY) 2022; 14:2966-2988. [PMID: 35378512 PMCID: PMC9037271 DOI: 10.18632/aging.203999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 03/23/2022] [Indexed: 11/29/2022]
Abstract
Insulin-like growth factor (IGF)-binding proteins (IGFBPs) are secretory proteins that regulate IGF signaling. In this study, we investigated the role of IGFBP5 in replicative senescence in embryonic mouse fibroblasts (MEFs). During passages according to the 3T3 method, MEFs underwent senescence after the 5th passage (P5) based on cell growth arrest, an increase in the number of cells positive for senescence-associated β-galactosidase (SA-β-GAL) staining, and upregulation of p16 and p19. In P8 MEFs, IGFBP5 mRNA level was markedly reduced compared with that in P2 MEFs. Downregulation of IGFBP5 via siRNA in P2 MEFs increased the number of SA-β-GAL-positive cells, upregulated p16 and p19, and inhibited cell growth. Incubation of MEFs with IGFBP5 during serial passage increased the cumulative population doubling and decreased SA-β-GAL positivity compared with those in vehicle-treated cells. IGFBP5 knockdown in P2 MEFs increased phosphorylation levels of ERK1 and ERK2. Silencing of ERK2, but not that of ERK1, blocked the increase in the number of SA-β-GAL-positive cells in IGFBP5-knockdown cells. The reduction in the cell number and upregulation of p16 and p21 in IGFBP5-knockdown cells were attenuated by ERK2 knockdown. Our results suggest that downregulation of IGFBP5 during serial passage contributes to replicative senescence via ERK2 in MEFs.
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Affiliation(s)
- Iyori Nojima
- Department of Pharmacology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Ryusuke Hosoda
- Department of Pharmacology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuki Toda
- Department of Pharmacology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yoshiki Saito
- Department of Pharmacology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Naohiro Ueda
- Department of Pharmacology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kouhei Horimoto
- Department of Pharmacology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Naotoshi Iwahara
- Department of Pharmacology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yoshiyuki Horio
- Department of Pharmacology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Atsushi Kuno
- Department of Pharmacology, Sapporo Medical University School of Medicine, Sapporo, Japan
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19
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Abstract
Many of the features associated with senescence appear steadily over time before cells stop dividing.
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Affiliation(s)
- Na Yang
- Laboratory of Genetics and Genomics, National Institute on Aging, National Institutes of Health, Baltimore, United States
| | - Payel Sen
- Laboratory of Genetics and Genomics, National Institute on Aging, National Institutes of Health, Baltimore, United States
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20
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Kološa K, Leskovšek A, Rajar T, Lah T. Fast assay to predict multipotent mesenchymal stromal cell replicative senescence dynamics. Biotechniques 2022. [PMID: 35174715 DOI: 10.2144/btn-2021-0087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The major obstacle to the application of mesenchymal stromal cells (MSCs) in regenerative medicine is the expansion of the donor-derived cells in vitro to obtain high cell numbers in the shortest possible time. However, MSCs gradually undergo replicative senescence after a variable number of divisions that reduce their therapeutic efficacy, which needs to be determined before administration. The authors developed a fast and simple evaluation assay testing two senescence inducers, mitoxantrone (Mxt) and trichostatin A (TSA), to predict the onset of spontaneous replicative senescence of adipose-derived mesenchymal stromal cells (ASCs) and have confirmed the correlation between induced senescence and spontaneous replicative senescence in the assay using Mxt. This protocol facilitates the standardization of therapeutic ASCs and MSCs from other origins before application.
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21
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Minteer C, Morselli M, Meer M, Cao J, Higgins‐Chen A, Lang SM, Pellegrini M, Yan Q, Levine M. Tick tock, tick tock: Mouse culture and tissue aging captured by an epigenetic clock. Aging Cell 2022; 21:e13553. [PMID: 35104377 PMCID: PMC8844113 DOI: 10.1111/acel.13553] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 12/11/2021] [Accepted: 01/05/2022] [Indexed: 12/11/2022] Open
Abstract
Aging is associated with dramatic changes to DNA methylation (DNAm), although the causes and consequences of such alterations are unknown. Our ability to experimentally uncover mechanisms of epigenetic aging will be greatly enhanced by our ability to study and manipulate these changes using in vitro models. However, it remains unclear whether the changes elicited by cells in culture can serve as a model of what is observed in aging tissues in vivo. To test this, we serially passaged mouse embryonic fibroblasts (MEFs) and assessed changes in DNAm at each time point via reduced representation bisulfite sequencing. By developing a measure that tracked cellular aging in vitro, we tested whether it tracked physiological aging in various mouse tissues and whether anti‐aging interventions modulate this measure. Our measure, termed CultureAGE, was shown to strongly increase with age when examined in multiple tissues (liver, lung, kidney, blood, and adipose). As a control, we confirmed that the measure was not a marker of cellular senescence, suggesting that it reflects a distinct yet progressive cellular aging phenomena that can be induced in vitro. Furthermore, we demonstrated slower epigenetic aging in animals undergoing caloric restriction and a resetting of our measure in lung and kidney fibroblasts when re‐programmed to iPSCs. Enrichment and clustering analysis implicated EED and Polycomb group (PcG) factors as potentially important chromatin regulators in translational culture aging phenotypes. Overall, this study supports the concept that physiologically relevant aging changes can be induced in vitro and used to uncover mechanistic insights into epigenetic aging.
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Affiliation(s)
| | - Marco Morselli
- Department of Molecular, Cell, and Developmental Biology University of California Los Angeles Los Angeles California USA
| | - Margarita Meer
- Department of Pathology Yale School of Medicine New Haven Connecticut USA
| | - Jian Cao
- Department of Pathology Yale School of Medicine New Haven Connecticut USA
- Rutgers Cancer Institute of New Jersey New Brunswick New Jersey USA
| | | | - Sabine M. Lang
- Department of Pathology Yale School of Medicine New Haven Connecticut USA
| | - Matteo Pellegrini
- Department of Molecular, Cell, and Developmental Biology University of California Los Angeles Los Angeles California USA
| | - Qin Yan
- Department of Pathology Yale School of Medicine New Haven Connecticut USA
| | - Morgan E. Levine
- Department of Pathology Yale School of Medicine New Haven Connecticut USA
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22
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Kim Y, Ji H, Cho E, Park NH, Hwang K, Park W, Lee KS, Park D, Jung E. nc886, a Non-Coding RNA, Is a New Biomarker and Epigenetic Mediator of Cellular Senescence in Fibroblasts. Int J Mol Sci 2021; 22:ijms222413673. [PMID: 34948464 PMCID: PMC8705676 DOI: 10.3390/ijms222413673] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/15/2021] [Accepted: 12/18/2021] [Indexed: 12/01/2022] Open
Abstract
Functional studies of organisms and human models have revealed that epigenetic changes can significantly impact the process of aging. Non-coding RNA (ncRNA), one of epigenetic regulators, plays an important role in modifying the expression of mRNAs and their proteins. It can mediate the phenotype of cells. It has been reported that nc886 (=vtRNA2-1 or pre-miR-886), a long ncRNA, can suppress tumor formation and photo-damages of keratinocytes caused by UVB. The aim of this study was to determine the role of nc886 in replicative senescence of fibroblasts and determine whether substances capable of controlling nc886 expression could regulate cellular senescence. In replicative senescence fibroblasts, nc886 expression was decreased while methylated nc886 was increased. There were changes of senescence biomarkers including SA-β-gal activity and expression of p16INK4A and p21Waf1/Cip1 in senescent cells. These findings indicate that the decrease of nc886 associated with aging is related to cellular senescence of fibroblasts and that increasing nc886 expression has potential to suppress cellular senescence. AbsoluTea Concentrate 2.0 (ATC) increased nc886 expression and ameliorated cellular senescence of fibroblasts by inhibiting age-related biomarkers. These results indicate that nc886 has potential as a new target for anti-aging and that ATC can be a potent epigenetic anti-aging ingredient.
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Affiliation(s)
- Yuna Kim
- Biospectrum Life Science Institute, A-1805, U-TOWER, Yongin-si 16827, Korea; (Y.K.); (H.J.); (E.C.); (K.-S.L.); (D.P.)
| | - Hyanggi Ji
- Biospectrum Life Science Institute, A-1805, U-TOWER, Yongin-si 16827, Korea; (Y.K.); (H.J.); (E.C.); (K.-S.L.); (D.P.)
| | - Eunae Cho
- Biospectrum Life Science Institute, A-1805, U-TOWER, Yongin-si 16827, Korea; (Y.K.); (H.J.); (E.C.); (K.-S.L.); (D.P.)
| | - Nok-Hyun Park
- Basic Research and Innovation Division, Amorepacific Corporation R&D Center, Youngin-si 17074, Korea; (N.-H.P.); (K.H.); (W.P.)
| | - Kyeonghwan Hwang
- Basic Research and Innovation Division, Amorepacific Corporation R&D Center, Youngin-si 17074, Korea; (N.-H.P.); (K.H.); (W.P.)
| | - Wonseok Park
- Basic Research and Innovation Division, Amorepacific Corporation R&D Center, Youngin-si 17074, Korea; (N.-H.P.); (K.H.); (W.P.)
| | - Kwang-Soo Lee
- Biospectrum Life Science Institute, A-1805, U-TOWER, Yongin-si 16827, Korea; (Y.K.); (H.J.); (E.C.); (K.-S.L.); (D.P.)
| | - Deokhoon Park
- Biospectrum Life Science Institute, A-1805, U-TOWER, Yongin-si 16827, Korea; (Y.K.); (H.J.); (E.C.); (K.-S.L.); (D.P.)
| | - Eunsun Jung
- Biospectrum Life Science Institute, A-1805, U-TOWER, Yongin-si 16827, Korea; (Y.K.); (H.J.); (E.C.); (K.-S.L.); (D.P.)
- Correspondence:
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23
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Delfarah A, Hartel NG, Zheng D, Yang J, Graham NA. Identification of a Proteomic Signature of Senescence in Primary Human Mammary Epithelial Cells. J Proteome Res 2021; 20:5169-5179. [PMID: 34637314 DOI: 10.1021/acs.jproteome.1c00659] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Senescence is a permanent cell cycle arrest that occurs in response to cellular stress and promotes age-related disease. Because senescence differs greatly depending on cell type and senescence inducer, continued progress in the characterization of senescent cells is needed. Here, we analyzed primary human mammary epithelial cells (HMECs), a model system for aging and cancer, using mass spectrometry-based proteomics. By integrating data from replicative senescence, immortalization by telomerase reactivation, and quiescence, we identified a robust proteomic signature of HMEC senescence consisting of 34 upregulated and 10 downregulated proteins. This approach identified known senescence biomarkers including β-galactosidase (GLB1) as well as novel senescence biomarkers including catechol O-methyltransferase (COMT), synaptic vesicle membrane protein VAT-1 homolog (VAT1), and plastin-1/3 (PLS1/PLS3). Gene ontology enrichment analysis demonstrated that senescent HMECs upregulated lysosomal proteins and downregulated RNA metabolic processes. In addition, a classification model based on our proteomic signature successfully discriminated proliferating and senescent HMECs at the transcriptional level. Finally, we found that the HMEC senescence signature was positively and negatively correlated with proteomic alterations in HMEC aging and breast cancer, respectively. Taken together, our results demonstrate the power of proteomics to identify cell type-specific signatures of senescence and advance the understanding of senescence in HMECs.
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Affiliation(s)
- Alireza Delfarah
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
| | - Nicolas G Hartel
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
| | - DongQing Zheng
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
| | - Jesse Yang
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
| | - Nicholas A Graham
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States.,Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, California 90089, United States.,Leonard Davis School of Gerontology, University of Southern California, Los Angeles, California 90089, United States
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24
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Almengló C, Caamaño P, Fraga M, Devesa J, Costoya JA, Arce VM. From neural stem cells to glioblastoma: A natural history of GBM recapitulated in vitro. J Cell Physiol 2021; 236:7390-7404. [PMID: 33959982 DOI: 10.1002/jcp.30409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 04/12/2021] [Accepted: 04/19/2021] [Indexed: 02/03/2023]
Abstract
Due to its aggressive and invasive nature glioblastoma (GBM), the most common and aggressive primary brain tumour in adults, remains almost invariably lethal. Significant advances in the last several years have elucidated much of the molecular and genetic complexities of GBM. However, GBM exhibits a vast genetic variation and a wide diversity of phenotypes that have complicated the development of effective therapeutic strategies. This complex pathogenesis makes necessary the development of experimental models that could be used to further understand the disease, and also to provide a more realistic testing ground for potential therapies. In this report, we describe the process of transformation of primary mouse embryo astrocytes into immortalized cultures with neural stem cell characteristics, that are able to generate GBM when injected into the brain of C57BL/6 mice, or heterotopic tumours when injected IV. Overall, our results show that oncogenic transformation is the fate of NSC if cultured for long periods in vitro. In addition, as no additional hit is necessary to induce the oncogenic transformation, our model may be used to investigate the pathogenesis of gliomagenesis and to test the effectiveness of different drugs throughout the natural history of GBM.
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Affiliation(s)
- Cristina Almengló
- Molecular Oncology Laboratory MOL, Departamento de Fisioloxía, Centro Singular de Investigación en Medicina Molecular e Enfermidades Crónicas CiMUS, Facultade de Medicina, Universidade de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, Santiago de Compostela, Spain
| | - Pilar Caamaño
- Fundación Publica Galega de Medicina Xenómica, Santiago de Compostela, Spain
| | - Máximo Fraga
- Departamento de Anatomía Patolóxica e Ciencias Forenses, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Jesús Devesa
- Research and Development, Medical Center Foltra, Teo, Spain
| | - José A Costoya
- Molecular Oncology Laboratory MOL, Departamento de Fisioloxía, Centro Singular de Investigación en Medicina Molecular e Enfermidades Crónicas CiMUS, Facultade de Medicina, Universidade de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, Santiago de Compostela, Spain
| | - Víctor M Arce
- Molecular Oncology Laboratory MOL, Departamento de Fisioloxía, Centro Singular de Investigación en Medicina Molecular e Enfermidades Crónicas CiMUS, Facultade de Medicina, Universidade de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, Santiago de Compostela, Spain
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25
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Fekete-Szücs E, Rosas Bringas FR, Stinus S, Chang M. Suppression of cdc13-2-associated senescence by pif1-m2 requires Ku-mediated telomerase recruitment. G3 (Bethesda) 2021; 12:6395364. [PMID: 34751785 PMCID: PMC8728030 DOI: 10.1093/g3journal/jkab360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/08/2021] [Indexed: 11/17/2022]
Abstract
In Saccharomyces cerevisiae, recruitment of telomerase to telomeres requires an interaction between Cdc13, which binds single-stranded telomeric DNA, and the Est1 subunit of telomerase. A second pathway involving an interaction between the yKu complex and telomerase RNA (TLC1) contributes to telomerase recruitment but cannot sufficiently recruit telomerase on its own to prevent replicative senescence when the primary Cdc13-Est1 pathway is abolished—for example, in the cdc13-2 mutant. In this study, we find that mutation of PIF1, which encodes a helicase that inhibits telomerase, suppresses the replicative senescence of cdc13-2 by increasing reliance on the yKu-TLC1 pathway for telomerase recruitment. Our findings reveal new insight into telomerase-mediated telomere maintenance.
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Affiliation(s)
- Enikő Fekete-Szücs
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, Groningen 9713 AV, The Netherlands
| | - Fernando R Rosas Bringas
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, Groningen 9713 AV, The Netherlands
| | - Sonia Stinus
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, Groningen 9713 AV, The Netherlands
| | - Michael Chang
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, Groningen 9713 AV, The Netherlands
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26
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Arnold R, Vehns E, Randl H, Djabali K. Baricitinib, a JAK-STAT Inhibitor, Reduces the Cellular Toxicity of the Farnesyltransferase Inhibitor Lonafarnib in Progeria Cells. Int J Mol Sci 2021; 22:ijms22147474. [PMID: 34299092 PMCID: PMC8307450 DOI: 10.3390/ijms22147474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/06/2021] [Accepted: 07/08/2021] [Indexed: 11/25/2022] Open
Abstract
Hutchinson–Gilford progeria syndrome (HGPS) is an ultra-rare multisystem premature aging disorder that leads to early death (mean age of 14.7 years) due to myocardial infarction or stroke. Most cases have a de novo point mutation at position G608G within exon 11 of the LMNA gene. This mutation leads to the production of a permanently farnesylated truncated prelamin A protein called “progerin” that is toxic to the cells. Recently, farnesyltransferase inhibitor (FTI) lonafarnib has been approved by the FDA for the treatment of patients with HGPS. While lonafarnib treatment irrefutably ameliorates HGPS disease, it is however not a cure. FTI has been shown to cause several cellular side effects, including genomic instability as well as binucleated and donut-shaped nuclei. We report that, in addition to these cellular stresses, FTI caused an increased frequency of cytosolic DNA fragment formation. These extranuclear DNA fragments colocalized with cGAs and activated the cGAS-STING-STAT1 signaling axis, upregulating the expression of proinflammatory cytokines in FTI-treated human HGPS fibroblasts. Treatment with lonafarnib and baricitinib, a JAK-STAT inhibitor, not only prevented the activation of the cGAS STING-STAT1 pathway, but also improved the overall HGPS cellular homeostasis. These ameliorations included progerin levels, nuclear shape, proteostasis, cellular ATP, proliferation, and the reduction of cellular inflammation and senescence. Thus, we suggest that combining lonafarnib with baricitinib might provide an opportunity to reduce FTI cellular toxicity and ameliorate HGPS symptoms further than lonafarnib alone.
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Affiliation(s)
- Rouven Arnold
- Epigenetics of Aging, Department of Dermatology and Allergy, TUM School of Medicine, Technical University of Munich (TUM), 85748 Garching, Germany
| | - Elena Vehns
- Epigenetics of Aging, Department of Dermatology and Allergy, TUM School of Medicine, Technical University of Munich (TUM), 85748 Garching, Germany
| | - Hannah Randl
- Epigenetics of Aging, Department of Dermatology and Allergy, TUM School of Medicine, Technical University of Munich (TUM), 85748 Garching, Germany
| | - Karima Djabali
- Epigenetics of Aging, Department of Dermatology and Allergy, TUM School of Medicine, Technical University of Munich (TUM), 85748 Garching, Germany
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27
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Sofiadis K, Josipovic N, Nikolic M, Kargapolova Y, Übelmesser N, Varamogianni-Mamatsi V, Zirkel A, Papadionysiou I, Loughran G, Keane J, Michel A, Gusmao EG, Becker C, Altmüller J, Georgomanolis T, Mizi A, Papantonis A. HMGB1 coordinates SASP-related chromatin folding and RNA homeostasis on the path to senescence. Mol Syst Biol 2021; 17:e9760. [PMID: 34166567 PMCID: PMC8224457 DOI: 10.15252/msb.20209760] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 05/17/2021] [Accepted: 05/19/2021] [Indexed: 12/15/2022] Open
Abstract
Spatial organization and gene expression of mammalian chromosomes are maintained and regulated in conjunction with cell cycle progression. This is perturbed once cells enter senescence and the highly abundant HMGB1 protein is depleted from nuclei to act as an extracellular proinflammatory stimulus. Despite its physiological importance, we know little about the positioning of HMGB1 on chromatin and its nuclear roles. To address this, we mapped HMGB1 binding genome‐wide in two primary cell lines. We integrated ChIP‐seq and Hi‐C with graph theory to uncover clustering of HMGB1‐marked topological domains that harbor genes involved in paracrine senescence. Using simplified Cross‐Linking and Immuno‐Precipitation and functional tests, we show that HMGB1 is also a bona fide RNA‐binding protein (RBP) binding hundreds of mRNAs. It presents an interactome rich in RBPs implicated in senescence regulation. The mRNAs of many of these RBPs are directly bound by HMGB1 and regulate availability of SASP‐relevant transcripts. Our findings reveal a broader than hitherto assumed role for HMGB1 in coordinating chromatin folding and RNA homeostasis as part of a regulatory loop controlling cell‐autonomous and paracrine senescence.
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Affiliation(s)
| | - Natasa Josipovic
- Institute of Pathology, University Medical Center Göttingen, Göttingen, Germany
| | - Milos Nikolic
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Yulia Kargapolova
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Nadine Übelmesser
- Institute of Pathology, University Medical Center Göttingen, Göttingen, Germany
| | | | - Anne Zirkel
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | | | | | - James Keane
- Ribomaps, Cork, Ireland.,Cork Institute of Technology, Cork, Ireland
| | | | - Eduardo G Gusmao
- Institute of Pathology, University Medical Center Göttingen, Göttingen, Germany
| | - Christian Becker
- Cologne Center for Genomics, University of Cologne, Cologne, Germany
| | - Janine Altmüller
- Cologne Center for Genomics, University of Cologne, Cologne, Germany
| | - Theodore Georgomanolis
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany.,Cologne Center for Genomics, University of Cologne, Cologne, Germany
| | - Athanasia Mizi
- Institute of Pathology, University Medical Center Göttingen, Göttingen, Germany
| | - Argyris Papantonis
- Institute of Pathology, University Medical Center Göttingen, Göttingen, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
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28
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Galli M, Frigerio C, Longhese MP, Clerici M. The regulation of the DNA damage response at telomeres: focus on kinases. Biochem Soc Trans 2021; 49:933-943. [PMID: 33769480 DOI: 10.1042/bst20200856] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/01/2021] [Accepted: 03/02/2021] [Indexed: 11/17/2022]
Abstract
The natural ends of linear chromosomes resemble those of accidental double-strand breaks (DSBs). DSBs induce a multifaceted cellular response that promotes the repair of lesions and slows down cell cycle progression. This response is not elicited at chromosome ends, which are organized in nucleoprotein structures called telomeres. Besides counteracting DSB response through specialized telomere-binding proteins, telomeres also prevent chromosome shortening. Despite of the different fate of telomeres and DSBs, many proteins involved in the DSB response also localize at telomeres and participate in telomere homeostasis. In particular, the DSB master regulators Tel1/ATM and Mec1/ATR contribute to telomere length maintenance and arrest cell cycle progression when chromosome ends shorten, thus promoting a tumor-suppressive process known as replicative senescence. During senescence, the actions of both these apical kinases and telomere-binding proteins allow checkpoint activation while bulk DNA repair activities at telomeres are still inhibited. Checkpoint-mediated cell cycle arrest also prevents further telomere erosion and deprotection that would favor chromosome rearrangements, which are known to increase cancer-associated genome instability. This review summarizes recent insights into functions and regulation of Tel1/ATM and Mec1/ATR at telomeres both in the presence and in the absence of telomerase, focusing mainly on discoveries in budding yeast.
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Affiliation(s)
- Michela Galli
- Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Piazza della Scienza 2, Milano 20126, Italy
| | - Chiara Frigerio
- Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Piazza della Scienza 2, Milano 20126, Italy
| | - Maria Pia Longhese
- Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Piazza della Scienza 2, Milano 20126, Italy
| | - Michela Clerici
- Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Piazza della Scienza 2, Milano 20126, Italy
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29
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Moustakas II, Katsarou A, Legaki AI, Pyrina I, Ntostoglou K, Papatheodoridi AM, Gercken B, Pateras IS, Gorgoulis VG, Koutsilieris M, Chavakis T, Chatzigeorgiou A. Hepatic Senescence Accompanies the Development of NAFLD in Non-Aged Mice Independently of Obesity. Int J Mol Sci 2021; 22:3446. [PMID: 33810566 DOI: 10.3390/ijms22073446] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/21/2021] [Accepted: 03/23/2021] [Indexed: 01/21/2023] Open
Abstract
Senescence is considered to be a cardinal player in several chronic inflammatory and metabolic pathologies. The two dominant mechanisms of senescence include replicative senescence, predominantly depending on age-induced telomere shortening, and stress-induced senescence, triggered by external or intracellular harmful stimuli. Recent data indicate that hepatocyte senescence is involved in the development of nonalcoholic fatty liver disease (NAFLD). However, previous studies have mainly focused on age-related senescence during NAFLD, in the presence or absence of obesity, while information about whether the phenomenon is characterized by replicative or stress-induced senescence, especially in non-aged organisms, is scarce. Herein, we subjected young mice to two different diet-induced NAFLD models which differed in the presence of obesity. In both models, liver fat accumulation and increased hepatic mRNA expression of steatosis-related genes were accompanied by hepatic senescence, indicated by the increased expression of senescence-associated genes and the presence of a robust hybrid histo-/immunochemical senescence-specific staining in the liver. Surprisingly, telomere length and global DNA methylation did not differ between the steatotic and the control livers, while malondialdehyde, a marker of oxidative stress, was upregulated in the mouse NAFLD livers. These findings suggest that senescence accompanies NAFLD emergence, even in non-aged organisms, and highlight the role of stress-induced senescence during steatosis development independently of obesity.
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30
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Jeske R, Yuan X, Fu Q, Bunnell BA, Logan TM, Li Y. In Vitro Culture Expansion Shifts the Immune Phenotype of Human Adipose-Derived Mesenchymal Stem Cells. Front Immunol 2021; 12:621744. [PMID: 33777002 PMCID: PMC7988085 DOI: 10.3389/fimmu.2021.621744] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 01/05/2021] [Indexed: 02/06/2023] Open
Abstract
Human mesenchymal stem or stromal cells (hMSCs) are known for their potential in regenerative medicine due to their differentiation abilities, secretion of trophic factors, and regulation of immune responses in damaged tissues. Due to the limited quantity of hMSCs typically isolated from bone marrow, other tissue sources, such as adipose tissue-derived mesenchymal stem cells (hASCs), are considered a promising alternative. However, differences have been observed for hASCs in the context of metabolic characteristics and response to in vitro culture stress compared to bone marrow derived hMSCs (BM-hMSCs). In particular, the relationship between metabolic homeostasis and stem cell functions, especially the immune phenotype and immunomodulation of hASCs, remains unknown. This study thoroughly assessed the changes in metabolism, redox cycles, and immune phenotype of hASCs during in vitro expansion. In contrast to BM-hMSCs, hASCs did not respond to culture stress significantly during expansion as limited cellular senescence was observed. Notably, hASCs exhibited the increased secretion of pro-inflammatory cytokines and the decreased secretion of anti-inflammatory cytokines after extended culture expansion. The NAD+/NADH redox cycle and other metabolic characteristics associated with aging were relatively stable, indicating that hASC functional decline may be regulated through an alternative mechanism rather than NAD+/Sirtuin aging pathways as observed in BM-hMSCs. Furthermore, transcriptome analysis by mRNA-sequencing revealed the upregulation of genes for pro-inflammatory cytokines/chemokines and the downregulation of genes for anti-inflammatory cytokines for hASCs at high passage. Proteomics analysis indicated key pathways (e.g., tRNA charging, EIF2 signaling, protein ubiquitination pathway) that may be associated with the immune phenotype shift of hASCs. Together, this study advances our understanding of the metabolism and senescence of hASCs and may offer vital insights for the biomanufacturing of hASCs for clinical use.
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Affiliation(s)
- Richard Jeske
- Department of Chemical & Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL, United States
| | - Xuegang Yuan
- Department of Chemical & Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL, United States.,The National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, United States
| | - Qin Fu
- Department of Chemical & Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL, United States
| | - Bruce A Bunnell
- Department of Microbiology, Immunology, and Genetics, University of North Texas Health Science Center, Fort Worth, TX, United States
| | - Timothy M Logan
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL, United States
| | - Yan Li
- Department of Chemical & Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL, United States.,Institute of Molecular Biophysics, Florida State University, Tallahassee, FL, United States
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31
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Abstract
Decades of study on cell cycle regulation have provided great insight into human cellular life span barriers, as well as their dysregulation during tumorigenesis. Telomeres, the extremities of linear chromosomes, perform an essential role in implementing these proliferative boundaries and preventing the propagation of potentially cancerous cells. The tumor-suppressive function of telomeres relies on their ability to initiate DNA damage signaling pathways and downstream cellular events, ranging from cell cycle perturbation to inflammation and cell death. While the tumor-suppressor role of telomeres is undoubtable, recent advances have pointed to telomeres as a major source of many of the genomic aberrations found in both early- and late-stage cancers, including the most recently discovered mutational phenomenon of chromothripsis. Telomere shortening appears as a double-edged sword that can function in opposing directions in carcinogenesis. This review focuses on the current knowledge of the dual role of telomeres in cancer and suggests a new perspective to reconcile the paradox of telomeres and their implications in cancer etiology.
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Affiliation(s)
- Joe Nassour
- Molecular and Cell Biology Laboratory, The Salk Institute for Biological Studies, La Jolla, California 92037, USA
| | - Tobias T Schmidt
- Molecular and Cell Biology Laboratory, The Salk Institute for Biological Studies, La Jolla, California 92037, USA
| | - Jan Karlseder
- Molecular and Cell Biology Laboratory, The Salk Institute for Biological Studies, La Jolla, California 92037, USA
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32
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Röhrl JM, Arnold R, Djabali K. Nuclear Pore Complexes Cluster in Dysmorphic Nuclei of Normal and Progeria Cells during Replicative Senescence. Cells 2021; 10:cells10010153. [PMID: 33466669 PMCID: PMC7828780 DOI: 10.3390/cells10010153] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/10/2021] [Accepted: 01/11/2021] [Indexed: 01/10/2023] Open
Abstract
Hutchinson-Gilford progeria syndrome (HGPS) is a rare premature aging disease caused by a mutation in LMNA. A G608G mutation in exon 11 of LMNA is responsible for most HGPS cases, generating a truncated protein called “progerin”. Progerin is permanently farnesylated and accumulates in HGPS cells, causing multiple cellular defects such as nuclear dysmorphism, a thickened lamina, loss of heterochromatin, premature senescence, and clustering of Nuclear Pore Complexes (NPC). To identify the mechanism of NPC clustering in HGPS cells, we evaluated post-mitotic NPC assembly in control and HGPS cells and found no defects. Next, we examined the occurrence of NPC clustering in control and HGPS cells during replicative senescence. We reported that NPC clustering occurs solely in the dysmorphic nuclei of control and HGPS cells. Hence, NPC clustering occurred at a higher frequency in HGPS cells compared to control cells at early passages; however, in late cultures with similar senescence index, NPCs clustering occurred at a similar rate in both control and HGPS. Our results show that progerin does not disrupt post-mitotic reassembly of NPCs. However, NPCs frequently cluster in dysmorphic nuclei with a high progerin content. Additionally, nuclear envelope defects that arise during replicative senescence cause NPC clustering in senescent cells with dysmorphic nuclei.
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33
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Tan CM, Najib NAM, Suhaimi NF, Halid NA, Cho VV, Abdullah SI, Ismail MZ, Khor SC, Jaafar F, Makpol S. Modulation of Ki67 and myogenic regulatory factor expression by tocotrienol-rich fraction ameliorates myogenic program of senescent human myoblasts. Arch Med Sci 2021; 17:752-763. [PMID: 34025846 PMCID: PMC8130490 DOI: 10.5114/aoms.2019.85449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 09/08/2018] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Replicative senescence results in dysregulation of cell proliferation and differentiation, which plays a role in the regenerative defects observed during age-related muscle atrophy. Vitamin E is a well-known antioxidant, which potentially ameliorates a wide range of age-related manifestations. The aim of this study was to determine the effects of tocotrienol-rich fraction (TRF) in modulating the expression of proliferation- and differentiation-associated proteins in senescent human myoblasts during the differentiation phase. MATERIAL AND METHODS Human skeletal muscle myoblasts were cultured until senescence. Young and senescent cells were treated with TRF for 24 h before and after differentiation induction, followed by evaluation of cellular morphology and efficiency of differentiation. Expression of cell proliferation marker Ki67 protein and myogenic regulatory factors MyoD and myogenin were determined. RESULTS Our findings showed that treatment with TRF significantly improved the morphology of senescent myoblasts. Promotion of differentiation was observed in young and senescent myoblasts with TRF treatment as shown by the increased fusion index and larger size of myotubes. Increased Ki67 and myogenin expression with TRF treatment was also observed in senescent myoblasts, suggesting amelioration of the myogenic program by TRF during replicative senescence. CONCLUSIONS TRF modulates the expression of regulatory factors related to proliferation and differentiation in senescent human myoblasts and could be beneficial for ameliorating the regenerative defects during aging.
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Affiliation(s)
- Chun Min Tan
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Nadwa Aqeela Mohd Najib
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Nur Farahin Suhaimi
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Nur Alia Halid
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Vi Vien Cho
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Saiful Idham Abdullah
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Muhammad Zulhilmi Ismail
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Shy Cian Khor
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Faizul Jaafar
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Suzana Makpol
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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Arabadjiev B, Pankov R, Vassileva I, Petrov LS, Buchvarov I. Photobiomodulation with 590 nm Wavelength Delays the Telomere Shortening and Replicative Senescence of Human Dermal Fibroblasts In Vitro. Photobiomodul Photomed Laser Surg 2020; 38:656-660. [PMID: 33090930 DOI: 10.1089/photob.2020.4822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Background: Cellular senescence is one of the major factors contributing to the aging process. Photobiomodulation (PBM) is known to trigger an array of cellular responses, but there are no data on how it affects the process of cellular senescence. In this study, we analyze the effect of PBM on the cellular senescence and telomere dynamics. Methods: Human dermal fibroblasts were irradiated by a panel of light-emitting diodes with 590 nm and dose 30 J/cm2 accumulated over 1200 sec repeated in 4-day cycle within 40 days. After the last cycle of PBM treatment, the difference in number of senescent cells between PBM treated groups end nontreated control groups was measured by senescent sensitive β-galactosidase assay, and the difference in average telomere length between the experimental end control groups was analyzed using relative human telomere length quantitative Polymerase Chain Reaction (qPCR) assay. Results: After 10 cycles of irradiation, the percentage of senescent cells in PBM-treated cultures was 19.7% ± 4.5%, p < 0.05 smaller than the percentage of senescent cells in the control group, and their relative telomere length was 1.19 ± 0.09-fold, p < 0.05 greater than nontreated controls. Conclusions: Our study demonstrates for the first time that PBM with appropriate parameters can delay the attrition of the telomeres and the entry of cells into senescence, suggesting a potential involvement of telomerase reactivation. A hypothetical mechanism for this light-induced antiaging effect is discussed.
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Affiliation(s)
- Borislav Arabadjiev
- Department of Cytology, Histology and Embryology, Faculty of Biology, Sofia University "St. Kliment Ohridsky," Sofia, Bulgaria.,Physics Department, Sofia University "St. Kliment Ohridsky," Sofia, Bulgaria
| | - Roumen Pankov
- Department of Cytology, Histology and Embryology, Faculty of Biology, Sofia University "St. Kliment Ohridsky," Sofia, Bulgaria
| | - Ivelina Vassileva
- Institute of Molecular Biology "Acad.Roumen Tsanev," Sofia, Bulgaria
| | | | - Ivan Buchvarov
- Physics Department, Sofia University "St. Kliment Ohridsky," Sofia, Bulgaria
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35
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Sun C, Wang K, Stock AJ, Gong Y, Demarest TG, Yang B, Giri N, Harrington L, Alter BP, Savage SA, Bohr VA, Liu Y. Re-equilibration of imbalanced NAD metabolism ameliorates the impact of telomere dysfunction. EMBO J 2020; 39:e103420. [PMID: 32935380 PMCID: PMC7604620 DOI: 10.15252/embj.2019103420] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 08/05/2020] [Accepted: 08/20/2020] [Indexed: 12/16/2022] Open
Abstract
Short telomeres are a principal defining feature of telomere biology disorders, such as dyskeratosis congenita (DC), for which there are no effective treatments. Here, we report that primary fibroblasts from DC patients and late generation telomerase knockout mice display lower nicotinamide adenine dinucleotide (NAD) levels, and an imbalance in the NAD metabolome that includes elevated CD38 NADase and reduced poly(ADP‐ribose) polymerase and SIRT1 activities, respectively, affecting many associated biological pathways. Supplementation with the NAD precursor, nicotinamide riboside, and CD38 inhibition improved NAD homeostasis, thereby alleviating telomere damage, defective mitochondrial biosynthesis and clearance, cell growth retardation, and cellular senescence of DC fibroblasts. These findings reveal a direct, underlying role of NAD dysregulation when telomeres are short and underscore its relevance to the pathophysiology and interventions of human telomere‐driven diseases.
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Affiliation(s)
- Chongkui Sun
- Biomedical Research Center, National Institute on Aging/National Institutes of Health, Baltimore, MD, USA
| | - Kun Wang
- Biomedical Research Center, National Institute on Aging/National Institutes of Health, Baltimore, MD, USA
| | - Amanda J Stock
- Biomedical Research Center, National Institute on Aging/National Institutes of Health, Baltimore, MD, USA
| | - Yi Gong
- Biomedical Research Center, National Institute on Aging/National Institutes of Health, Baltimore, MD, USA
| | - Tyler G Demarest
- Biomedical Research Center, National Institute on Aging/National Institutes of Health, Baltimore, MD, USA
| | - Beimeng Yang
- Biomedical Research Center, National Institute on Aging/National Institutes of Health, Baltimore, MD, USA
| | - Neelam Giri
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Lea Harrington
- Institut de Recherche en Immunologie et en Cancérologie, Université de Montréal, Montréal, QC, Canada
| | - Blanche P Alter
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Sharon A Savage
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Vilhelm A Bohr
- Biomedical Research Center, National Institute on Aging/National Institutes of Health, Baltimore, MD, USA
| | - Yie Liu
- Biomedical Research Center, National Institute on Aging/National Institutes of Health, Baltimore, MD, USA
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36
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Lototska L, Yue J, Li J, Giraud‐Panis M, Songyang Z, Royle NJ, Liti G, Ye J, Gilson E, Mendez‐Bermudez A. Human RAP1 specifically protects telomeres of senescent cells from DNA damage. EMBO Rep 2020; 21:e49076. [PMID: 32096305 PMCID: PMC7132343 DOI: 10.15252/embr.201949076] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 01/26/2020] [Accepted: 01/29/2020] [Indexed: 12/31/2022] Open
Abstract
Repressor/activator protein 1 (RAP1) is a highly evolutionarily conserved protein found at telomeres. Although yeast Rap1 is a key telomere capping protein preventing non-homologous end joining (NHEJ) and consequently telomere fusions, its role at mammalian telomeres in vivo is still controversial. Here, we demonstrate that RAP1 is required to protect telomeres in replicative senescent human cells. Downregulation of RAP1 in these cells, but not in young or dividing pre-senescent cells, leads to telomere uncapping and fusions. The anti-fusion effect of RAP1 was further explored in a HeLa cell line where RAP1 expression was depleted through an inducible CRISPR/Cas9 strategy. Depletion of RAP1 in these cells gives rise to telomere fusions only when telomerase is inhibited. We further show that the fusions triggered by RAP1 loss are dependent upon DNA ligase IV. We conclude that human RAP1 is specifically involved in protecting critically short telomeres. This has important implications for the functions of telomeres in senescent cells.
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Affiliation(s)
- Liudmyla Lototska
- Shanghai Ruijin HospitalShanghai Ruijin Hospital NorthShanghai Jiao Tong University School of MedicineUniversité Côte d'Azur, CNRSInsermInternational Research Laboratory in HematologyCancer and AgingState Key Laboratory of Medical GenomicsShanghaiChina
- Université Côte d'AzurCNRSINSERMIRCANMedical School of NiceNiceFrance
- Present address:
Institute of Molecular Biology gGmbH (IMB)MainzGermany
| | - Jia‐Xing Yue
- Université Côte d'AzurCNRSINSERMIRCANMedical School of NiceNiceFrance
- Present address:
State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineSun Yat‐sen University Cancer CenterGuangzhouChina
| | - Jing Li
- Université Côte d'AzurCNRSINSERMIRCANMedical School of NiceNiceFrance
- Present address:
State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineSun Yat‐sen University Cancer CenterGuangzhouChina
| | | | - Zhou Songyang
- Verna and Marrs McLean Department of Biochemistry and Molecular BiologyBaylor College of MedicineHoustonTXUSA
- School of Life SciencesSun Yat‐sen UniversityGuangzhouChina
- Zhongshan Ophthalmic CenterSun Yat‐sen UniversityGuangzhouChina
| | - Nicola J Royle
- Department of GeneticsUniversity of LeicesterLeicesterUK
| | - Gianni Liti
- Université Côte d'AzurCNRSINSERMIRCANMedical School of NiceNiceFrance
| | - Jing Ye
- Shanghai Ruijin HospitalShanghai Ruijin Hospital NorthShanghai Jiao Tong University School of MedicineUniversité Côte d'Azur, CNRSInsermInternational Research Laboratory in HematologyCancer and AgingState Key Laboratory of Medical GenomicsShanghaiChina
| | - Eric Gilson
- Shanghai Ruijin HospitalShanghai Ruijin Hospital NorthShanghai Jiao Tong University School of MedicineUniversité Côte d'Azur, CNRSInsermInternational Research Laboratory in HematologyCancer and AgingState Key Laboratory of Medical GenomicsShanghaiChina
- Université Côte d'AzurCNRSINSERMIRCANMedical School of NiceNiceFrance
- Department of GeneticsCHUNiceFrance
| | - Aaron Mendez‐Bermudez
- Shanghai Ruijin HospitalShanghai Ruijin Hospital NorthShanghai Jiao Tong University School of MedicineUniversité Côte d'Azur, CNRSInsermInternational Research Laboratory in HematologyCancer and AgingState Key Laboratory of Medical GenomicsShanghaiChina
- Université Côte d'AzurCNRSINSERMIRCANMedical School of NiceNiceFrance
- Present address:
Lead author
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Sati S, Bonev B, Szabo Q, Jost D, Bensadoun P, Serra F, Loubiere V, Papadopoulos GL, Rivera-Mulia JC, Fritsch L, Bouret P, Castillo D, Gelpi JL, Orozco M, Vaillant C, Pellestor F, Bantignies F, Marti-Renom MA, Gilbert DM, Lemaitre JM, Cavalli G. 4D Genome Rewiring during Oncogene-Induced and Replicative Senescence. Mol Cell 2020; 78:522-538.e9. [PMID: 32220303 DOI: 10.1016/j.molcel.2020.03.007] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 12/20/2019] [Accepted: 03/04/2020] [Indexed: 12/26/2022]
Abstract
To understand the role of the extensive senescence-associated 3D genome reorganization, we generated genome-wide chromatin interaction maps, epigenome, replication-timing, whole-genome bisulfite sequencing, and gene expression profiles from cells entering replicative senescence (RS) or upon oncogene-induced senescence (OIS). We identify senescence-associated heterochromatin domains (SAHDs). Differential intra- versus inter-SAHD interactions lead to the formation of senescence-associated heterochromatin foci (SAHFs) in OIS but not in RS. This OIS-specific configuration brings active genes located in genomic regions adjacent to SAHDs in close spatial proximity and favors their expression. We also identify DNMT1 as a factor that induces SAHFs by promoting HMGA2 expression. Upon DNMT1 depletion, OIS cells transition to a 3D genome conformation akin to that of cells in replicative senescence. These data show how multi-omics and imaging can identify critical features of RS and OIS and discover determinants of acute senescence and SAHF formation. Deep multi-omics characterization of replicative and oncogene-induced senescence Senescence-associated heterochromatin domains (SAHDs) form SAHFs via 3D changes DNMT1 is required for SAHF formation via regulation of HMGA2 expression SAHF formation leads to expression of SAHF-adjacent genes via 3D chromatin contacts
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Ratushnyy A, Ezdakova M, Buravkova L. Secretome of Senescent Adipose-Derived Mesenchymal Stem Cells Negatively Regulates Angiogenesis. Int J Mol Sci 2020; 21:ijms21051802. [PMID: 32151085 PMCID: PMC7084202 DOI: 10.3390/ijms21051802] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/28/2020] [Accepted: 03/02/2020] [Indexed: 12/17/2022] Open
Abstract
Nowadays, paracrine regulation is considered as a major tool of mesenchymal stem cell (MSC) involvement in tissue repair and renewal in adults. Aging results in alteration of tissue homeostasis including neovascularization. In this study, we examined the influence of replicative senescence on the angiogenic potential of adipose-derived MSCs (ASCs). Angiogenic activity of conditioned medium (CM) from senescent and “young” ASCs was evaluated in chorioallantoic membrane (CAM) assay in ovo using Japanese quail embryos. Also, the formation of capillary-like tubes by human umbilical vein endothelial cells (HUVECs) in 3D basement membrane matrix “Matrigel” and HUVEC migration capacity were analyzed. Multiplex, dot-blot and gene expression analysis were performed to characterize transcription and production of about 100 angiogenesis-associated proteins. The results point to decreased angiogenic potential of senescent ASC secretome in ovo. A number of angiogenesis-associated proteins demonstrated elevation in CM after long-term cultivation. Meanwhile, VEGF (key positive regulator of angiogenesis) did not change transcription level and concentration in CM. Increasing both pro- (FGF-2, uPA, IL-6, IL-8 etc.) and antiangiogenic (IL-4, IP-10, PF4, Activin A, DPPIV etc.) factors was observed. Some proangiogenic genes were downregulated (IGF1, MMP1, TGFB3, PDGFRB, PGF). Senescence-associated secretory phenotype (SASP) modifications after long-term cultivation lead to attenuation of angiogenic potential of ASC.
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Lee JH, Yoon YM, Song K, Noh H, Lee SH. Melatonin suppresses senescence-derived mitochondrial dysfunction in mesenchymal stem cells via the HSPA1L-mitophagy pathway. Aging Cell 2020; 19:e13111. [PMID: 31965731 PMCID: PMC7059143 DOI: 10.1111/acel.13111] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 12/18/2019] [Accepted: 01/05/2020] [Indexed: 12/30/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are a popular cell source for stem cell‐based therapy. However, continuous ex vivo expansion to acquire large amounts of MSCs for clinical study induces replicative senescence, causing decreased therapeutic efficacy in MSCs. To address this issue, we investigated the effect of melatonin on replicative senescence in MSCs. In senescent MSCs (late passage), replicative senescence decreased mitophagy by inhibiting mitofission, resulting in the augmentation of mitochondrial dysfunction. Treatment with melatonin rescued replicative senescence by enhancing mitophagy and mitochondrial function through upregulation of heat shock 70 kDa protein 1L (HSPA1L). More specifically, we found that melatonin‐induced HSPA1L binds to cellular prion protein (PrPC), resulting in the recruitment of PrPC into the mitochondria. The HSPA1L‐PrPC complex then binds to COX4IA, which is a mitochondrial complex IV protein, leading to an increase in mitochondrial membrane potential and anti‐oxidant enzyme activity. These protective effects were blocked by knockdown of HSPA1L. In a murine hindlimb ischemia model, melatonin‐treated senescent MSCs enhanced functional recovery by increasing blood flow perfusion, limb salvage, and neovascularization. This study, for the first time, suggests that melatonin protects MSCs against replicative senescence during ex vivo expansion for clinical application via mitochondrial quality control.
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Affiliation(s)
- Jun Hee Lee
- Medical Science Research Institute Soonchunhyang University Seoul Hospital Seoul Korea
- Departments of Biochemistry Soonchunhyang University College of Medicine Cheonan Korea
| | - Yeo Min Yoon
- Medical Science Research Institute Soonchunhyang University Seoul Hospital Seoul Korea
| | - Keon‐Hyoung Song
- Department of Pharmaceutical Engineering College of Medical Science Soonchunhyang University Asan Korea
| | - Hyunjin Noh
- Department of Internal Medicine Soonchunhyang University Seoul Korea
- Hyonam Kidney Laboratory Soonchunhyang University Seoul Korea
| | - Sang Hun Lee
- Medical Science Research Institute Soonchunhyang University Seoul Hospital Seoul Korea
- Departments of Biochemistry Soonchunhyang University College of Medicine Cheonan Korea
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Yi S, Lin K, Jiang T, Shao W, Huang C, Jiang B, Li Q, Lin D. NMR-based metabonomic analysis of HUVEC cells during replicative senescence. Aging (Albany NY) 2020; 12:3626-3646. [PMID: 32074082 PMCID: PMC7066908 DOI: 10.18632/aging.102834] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 01/27/2020] [Indexed: 01/18/2023]
Abstract
Cellular senescence is a physiological process reacting to stimuli, in which cells enter a state of irreversible growth arrest in response to adverse consequences associated with metabolic disorders. Molecular mechanisms underlying the progression of cellular senescence remain unclear. Here, we established a replicative senescence model of human umbilical vein endothelial cells (HUVEC) from passage 3 (P3) to 18 (P18), and performed biochemical characterizations and NMR-based metabolomic analyses. The cellular senescence degree advanced as the cells were sequentially passaged in vitro, and cellular metabolic profiles were gradually altered. Totally, 8, 16, 21 and 19 significant metabolites were primarily changed in the P6, P10, P14 and P18 cells compared with the P3 cells, respectively. These metabolites were mainly involved in 14 significantly altered metabolic pathways. Furthermore, we observed taurine retarded oxidative damage resulting from senescence. In the case of energy deficiency, HUVECs metabolized neutral amino acids to replenish energy, thus increased glutamine, aspartate and asparagine at the early stages of cellular senescence but decreased them at the later stages. Our results indicate that cellular replicative senescence is closely associated with promoted oxidative stress, impaired energy metabolism and blocked protein synthesis. This work may provide mechanistic understanding of the progression of cellular senescence.
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Affiliation(s)
- Shenghui Yi
- College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Xiamen University, Xiamen 361005, China.,Department of Medical Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Kejiang Lin
- Department of Medical Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Ting Jiang
- College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Xiamen University, Xiamen 361005, China
| | - Wei Shao
- College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Xiamen University, Xiamen 361005, China
| | - Caihua Huang
- Research and Communication Center of Exercise and Health, Xiamen University of Technology, Xiamen 361024, China
| | - Bin Jiang
- State Key Laboratory of Cellular Stress Biology, School of Life Science, Xiamen University, Xiamen 361102, China
| | - Qinxi Li
- State Key Laboratory of Cellular Stress Biology, School of Life Science, Xiamen University, Xiamen 361102, China
| | - Donghai Lin
- College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Xiamen University, Xiamen 361005, China
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Fernandez-Rebollo E, Franzen J, Goetzke R, Hollmann J, Ostrowska A, Oliverio M, Sieben T, Rath B, Kornfeld JW, Wagner W. Senescence-Associated Metabolomic Phenotype in Primary and iPSC-Derived Mesenchymal Stromal Cells. Stem Cell Reports 2020; 14:201-209. [PMID: 31983656 PMCID: PMC7013233 DOI: 10.1016/j.stemcr.2019.12.012] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 12/17/2019] [Accepted: 12/23/2019] [Indexed: 01/09/2023] Open
Abstract
Long-term culture of primary cells is characterized by functional and secretory changes, which ultimately result in replicative senescence. It is largely unclear how the metabolome of cells changes during replicative senescence and if such changes are consistent across different cell types. We have directly compared culture expansion of primary mesenchymal stromal cells (MSCs) and induced pluripotent stem cell-derived MSCs (iMSCs) until they reached growth arrest. Both cell types acquired similar changes in morphology, in vitro differentiation potential, senescence-associated β-galactosidase, and DNA methylation. Furthermore, MSCs and iMSCs revealed overlapping gene expression changes, particularly in functional categories related to metabolic processes. We subsequently compared the metabolomes of MSCs and iMSCs and observed overlapping senescence-associated changes in both cell types, including downregulation of nicotinamide ribonucleotide and upregulation of orotic acid. Taken together, replicative senescence is associated with a highly reproducible senescence-associated metabolomics phenotype, which may be used to monitor the state of cellular aging.
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Affiliation(s)
- Eduardo Fernandez-Rebollo
- Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, RWTH Aachen University Medical School, Aachen 52074, Germany; Institute for Biomedical Technology - Cell Biology, RWTH Aachen University Medical School, Aachen 52074, Germany; University of Southern Denmark, Functional Genomics and Metabolism Unit, Department for Biochemistry and Molecular Biology, Campusvej 55, Odense 5230, Denmark.
| | - Julia Franzen
- Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, RWTH Aachen University Medical School, Aachen 52074, Germany; Institute for Biomedical Technology - Cell Biology, RWTH Aachen University Medical School, Aachen 52074, Germany
| | - Roman Goetzke
- Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, RWTH Aachen University Medical School, Aachen 52074, Germany; Institute for Biomedical Technology - Cell Biology, RWTH Aachen University Medical School, Aachen 52074, Germany
| | - Jonathan Hollmann
- Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, RWTH Aachen University Medical School, Aachen 52074, Germany; Institute for Biomedical Technology - Cell Biology, RWTH Aachen University Medical School, Aachen 52074, Germany
| | - Alina Ostrowska
- Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, RWTH Aachen University Medical School, Aachen 52074, Germany; Institute for Biomedical Technology - Cell Biology, RWTH Aachen University Medical School, Aachen 52074, Germany
| | - Matteo Oliverio
- Max Planck Institute for Metabolism Research (MPI-MR), Noncoding RNAs and Energy Homeostasis, Gleueler Strasse 50, Cologne 50931, Germany; Cologne Cluster of Excellence: Cellular Stress Responses in Aging-Associated Diseases (CECAD), Cologne 50931, Germany
| | - Torsten Sieben
- Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, RWTH Aachen University Medical School, Aachen 52074, Germany; Institute for Biomedical Technology - Cell Biology, RWTH Aachen University Medical School, Aachen 52074, Germany
| | - Björn Rath
- Department for Orthopedics, RWTH Aachen University Medical School, Aachen 52074, Germany
| | - Jan-Wilhelm Kornfeld
- Max Planck Institute for Metabolism Research (MPI-MR), Noncoding RNAs and Energy Homeostasis, Gleueler Strasse 50, Cologne 50931, Germany; Cologne Cluster of Excellence: Cellular Stress Responses in Aging-Associated Diseases (CECAD), Cologne 50931, Germany; University of Southern Denmark, Functional Genomics and Metabolism Unit, Department for Biochemistry and Molecular Biology, Campusvej 55, Odense 5230, Denmark
| | - Wolfgang Wagner
- Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, RWTH Aachen University Medical School, Aachen 52074, Germany; Institute for Biomedical Technology - Cell Biology, RWTH Aachen University Medical School, Aachen 52074, Germany.
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Schmeer C, Kretz A, Wengerodt D, Stojiljkovic M, Witte OW. Dissecting Aging and Senescence-Current Concepts and Open Lessons. Cells 2019; 8:cells8111446. [PMID: 31731770 PMCID: PMC6912776 DOI: 10.3390/cells8111446] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 01/10/2023] Open
Abstract
In contrast to the programmed nature of development, it is still a matter of debate whether aging is an adaptive and regulated process, or merely a consequence arising from a stochastic accumulation of harmful events that culminate in a global state of reduced fitness, risk for disease acquisition, and death. Similarly unanswered are the questions of whether aging is reversible and can be turned into rejuvenation as well as how aging is distinguishable from and influenced by cellular senescence. With the discovery of beneficial aspects of cellular senescence and evidence of senescence being not limited to replicative cellular states, a redefinition of our comprehension of aging and senescence appears scientifically overdue. Here, we provide a factor-based comparison of current knowledge on aging and senescence, which we converge on four suggested concepts, thereby implementing the newly emerging cellular and molecular aspects of geroconversion and amitosenescence, and the signatures of a genetic state termed genosenium. We also address the possibility of an aging-associated secretory phenotype in analogy to the well-characterized senescence-associated secretory phenotype and delineate the impact of epigenetic regulation in aging and senescence. Future advances will elucidate the biological and molecular fingerprints intrinsic to either process.
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Affiliation(s)
- Christian Schmeer
- Hans-Berger Department of Neurology, Jena University Hospital, 07747 Jena, Thuringia, Germany; (A.K.); (D.W.); (M.S.); (O.W.W.)
- Jena Center for Healthy Ageing, Jena University Hospital, 07747 Jena, Thuringia, Germany
- Correspondence:
| | - Alexandra Kretz
- Hans-Berger Department of Neurology, Jena University Hospital, 07747 Jena, Thuringia, Germany; (A.K.); (D.W.); (M.S.); (O.W.W.)
- Jena Center for Healthy Ageing, Jena University Hospital, 07747 Jena, Thuringia, Germany
| | - Diane Wengerodt
- Hans-Berger Department of Neurology, Jena University Hospital, 07747 Jena, Thuringia, Germany; (A.K.); (D.W.); (M.S.); (O.W.W.)
| | - Milan Stojiljkovic
- Hans-Berger Department of Neurology, Jena University Hospital, 07747 Jena, Thuringia, Germany; (A.K.); (D.W.); (M.S.); (O.W.W.)
- Jena Center for Healthy Ageing, Jena University Hospital, 07747 Jena, Thuringia, Germany
| | - Otto W. Witte
- Hans-Berger Department of Neurology, Jena University Hospital, 07747 Jena, Thuringia, Germany; (A.K.); (D.W.); (M.S.); (O.W.W.)
- Jena Center for Healthy Ageing, Jena University Hospital, 07747 Jena, Thuringia, Germany
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Abstract
Replicative senescence, which is induced by telomere shortening, underlies the loss of regeneration capacity of organs and is ultimately detrimental to the organism. At the same time, it is required to protect organisms from unlimited cell proliferation that may arise from numerous stimuli or deregulations. One important feature of replicative senescence is its high level of heterogeneity and asynchrony, which promote genome instability and senescence escape. Characterizing this heterogeneity and investigating its sources are thus critical to understanding the robustness of replicative senescence. Here we review the different aspects of senescence driven by telomere attrition that are subject to variation in Saccharomyces cerevisiae, the current understanding of the molecular processes at play, and the consequences of heterogeneity in replicative senescence.
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Affiliation(s)
- Zhou Xu
- CNRS, UMR7238, Institut de Biologie Paris‐Seine, Laboratory of Computational and Quantitative BiologySorbonne UniversitéParisFrance
| | - Maria Teresa Teixeira
- CNRS, UMR8226, Institut de Biologie Physico‐Chimique, Laboratory of Molecular and Cell Biology of EukaryotesSorbonne Université, PSL Research UniversityParisFrance
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Menin L, Colombo CV, Maestrini G, Longhese MP, Clerici M. Tel1/ATM Signaling to the Checkpoint Contributes to Replicative Senescence in the Absence of Telomerase. Genetics 2019; 213:411-429. [PMID: 31391264 PMCID: PMC6781906 DOI: 10.1534/genetics.119.302391] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 07/27/2019] [Indexed: 11/18/2022] Open
Abstract
Telomeres progressively shorten at every round of DNA replication in the absence of telomerase. When they become critically short, telomeres trigger replicative senescence by activating a DNA damage response that is governed by the Mec1/ATR and Tel1/ATM protein kinases. While Mec1/ATR is known to block cell division when extended single-stranded DNA (ssDNA) accumulates at eroded telomeres, the molecular mechanism by which Tel1/ATM promotes senescence is still unclear. By characterizing a Tel1-hy184 mutant variant that compensates for the lack of Mec1 functions, we provide evidence that Tel1 promotes senescence by signaling to a Rad9-dependent checkpoint. Tel1-hy184 anticipates senescence onset in telomerase-negative cells, while the lack of Tel1 or the expression of a kinase-defective (kd) Tel1 variant delays it. Both Tel1-hy184 and Tel1-kd do not alter ssDNA generation at telomeric DNA ends. Furthermore, Rad9 and (only partially) Mec1 are responsible for the precocious senescence promoted by Tel1-hy184. This precocious senescence is mainly caused by the F1751I, D1985N, and E2133K amino acid substitutions, which are located in the FRAP-ATM-TRAPP domain of Tel1 and also increase Tel1 binding to DNA ends. Altogether, these results indicate that Tel1 induces replicative senescence by directly signaling dysfunctional telomeres to the checkpoint machinery.
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Affiliation(s)
- Luca Menin
- Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Milano 20126, Italy
| | - Chiara Vittoria Colombo
- Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Milano 20126, Italy
| | - Giorgia Maestrini
- Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Milano 20126, Italy
| | - Maria Pia Longhese
- Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Milano 20126, Italy
| | - Michela Clerici
- Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Milano 20126, Italy
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45
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Flex E, Martinelli S, Van Dijck A, Ciolfi A, Cecchetti S, Coluzzi E, Pannone L, Andreoli C, Radio FC, Pizzi S, Carpentieri G, Bruselles A, Catanzaro G, Pedace L, Miele E, Carcarino E, Ge X, Chijiwa C, Lewis MES, Meuwissen M, Kenis S, Van der Aa N, Larson A, Brown K, Wasserstein MP, Skotko BG, Begtrup A, Person R, Karayiorgou M, Roos JL, Van Gassen KL, Koopmans M, Bijlsma EK, Santen GWE, Barge-Schaapveld DQCM, Ruivenkamp CAL, Hoffer MJV, Lalani SR, Streff H, Craigen WJ, Graham BH, van den Elzen APM, Kamphuis DJ, Õunap K, Reinson K, Pajusalu S, Wojcik MH, Viberti C, Di Gaetano C, Bertini E, Petrucci S, De Luca A, Rota R, Ferretti E, Matullo G, Dallapiccola B, Sgura A, Walkiewicz M, Kooy RF, Tartaglia M. Aberrant Function of the C-Terminal Tail of HIST1H1E Accelerates Cellular Senescence and Causes Premature Aging. Am J Hum Genet 2019; 105:493-508. [PMID: 31447100 DOI: 10.1016/j.ajhg.2019.07.007] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Accepted: 07/10/2019] [Indexed: 02/03/2023] Open
Abstract
Histones mediate dynamic packaging of nuclear DNA in chromatin, a process that is precisely controlled to guarantee efficient compaction of the genome and proper chromosomal segregation during cell division and to accomplish DNA replication, transcription, and repair. Due to the important structural and regulatory roles played by histones, it is not surprising that histone functional dysregulation or aberrant levels of histones can have severe consequences for multiple cellular processes and ultimately might affect development or contribute to cell transformation. Recently, germline frameshift mutations involving the C-terminal tail of HIST1H1E, which is a widely expressed member of the linker histone family and facilitates higher-order chromatin folding, have been causally linked to an as-yet poorly defined syndrome that includes intellectual disability. We report that these mutations result in stable proteins that reside in the nucleus, bind to chromatin, disrupt proper compaction of DNA, and are associated with a specific methylation pattern. Cells expressing these mutant proteins have a dramatically reduced proliferation rate and competence, hardly enter into the S phase, and undergo accelerated senescence. Remarkably, clinical assessment of a relatively large cohort of subjects sharing these mutations revealed a premature aging phenotype as a previously unrecognized feature of the disorder. Our findings identify a direct link between aberrant chromatin remodeling, cellular senescence, and accelerated aging.
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Affiliation(s)
- Elisabetta Flex
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, 00161 Italy; Children's Hospital at Montefiore, Albert Einstein College of Medicine, Bronx, NY 10467, USA
| | - Simone Martinelli
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, 00161 Italy
| | - Anke Van Dijck
- Department of Medical Genetics, University of Antwerp, Edegem, 2650 Belgium; Department of Neurology, Antwerp University Hospital, Edegem, 2650 Belgium
| | - Andrea Ciolfi
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, 00146 Italy
| | - Serena Cecchetti
- Microscopy Area, Core Facilities, Istituto Superiore di Sanità, Rome, 00161 Italy
| | - Elisa Coluzzi
- Department of Science, University Roma Tre, Rome, 00146 Italy
| | - Luca Pannone
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, 00161 Italy; Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, 00146 Italy
| | - Cristina Andreoli
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, 00161 Italy
| | - Francesca Clementina Radio
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, 00146 Italy
| | - Simone Pizzi
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, 00146 Italy
| | - Giovanna Carpentieri
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, 00161 Italy; Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, 00146 Italy
| | - Alessandro Bruselles
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, 00161 Italy
| | | | - Lucia Pedace
- Department of Pediatric Onco-Hematology and Cell and Gene Therapy, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, 00146 Italy
| | - Evelina Miele
- Department of Pediatric Onco-Hematology and Cell and Gene Therapy, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, 00146 Italy
| | - Elena Carcarino
- Department of Pediatric Onco-Hematology and Cell and Gene Therapy, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, 00146 Italy; Current affiliation: Cordeliers Research Centre, Inserm 1138, Sorbonne Université, Paris, 75006 France
| | - Xiaoyan Ge
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Current affiliation: Department of Genetics and Genomic Sciences, The Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Chieko Chijiwa
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia V6H 3N1, Canada
| | - M E Suzanne Lewis
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia V6H 3N1, Canada
| | - Marije Meuwissen
- Department of Medical Genetics, University of Antwerp, Edegem, 2650 Belgium
| | - Sandra Kenis
- Department of Neurology, Antwerp University Hospital, Edegem, 2650 Belgium
| | | | - Austin Larson
- Section of Clinical Genetics and Metabolism, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Kathleen Brown
- Section of Clinical Genetics and Metabolism, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Melissa P Wasserstein
- Children's Hospital at Montefiore, Albert Einstein College of Medicine, Bronx, NY 10467, USA
| | - Brian G Skotko
- Division of Medical Genetics and Metabolism, Department of Pediatrics, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02114, USA
| | | | | | - Maria Karayiorgou
- Department of Psychiatry, Columbia University Medical Center, New York, NY 10032, USA
| | - J Louw Roos
- Department of Psychiatry, University of Pretoria, Weskoppies Hospital, Pretoria, 0001 South Africa
| | - Koen L Van Gassen
- Department of Genetics, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, 3508 AB the Netherlands
| | - Marije Koopmans
- Department of Genetics, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, 3508 AB the Netherlands
| | - Emilia K Bijlsma
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, 2300 RC the Netherlands
| | - Gijs W E Santen
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, 2300 RC the Netherlands
| | | | - Claudia A L Ruivenkamp
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, 2300 RC the Netherlands
| | - Mariette J V Hoffer
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, 2300 RC the Netherlands
| | - Seema R Lalani
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Haley Streff
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - William J Craigen
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Brett H Graham
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | | | - Daan J Kamphuis
- Departement of Neurology, Reinier de Graaf Ziekenhuis, Delft, 2600 GA the Netherlands
| | - Katrin Õunap
- Department of Clinical Genetics, United Laboratories, Tartu University Hospital, Tartu, 50406 Estonia; Institute of Clinical Medicine, University of Tartu, Tartu, 50406 Estonia
| | - Karit Reinson
- Department of Clinical Genetics, United Laboratories, Tartu University Hospital, Tartu, 50406 Estonia; Institute of Clinical Medicine, University of Tartu, Tartu, 50406 Estonia
| | - Sander Pajusalu
- Department of Clinical Genetics, United Laboratories, Tartu University Hospital, Tartu, 50406 Estonia; Institute of Clinical Medicine, University of Tartu, Tartu, 50406 Estonia; Department of Genetics, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Monica H Wojcik
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Clara Viberti
- Department of Medical Sciences, University of Turin, Turin, 10126 Italy; Italian Institute for Genomic Medicine, Turin, 10126 Italy
| | - Cornelia Di Gaetano
- Department of Medical Sciences, University of Turin, Turin, 10126 Italy; Italian Institute for Genomic Medicine, Turin, 10126 Italy
| | - Enrico Bertini
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, 00146 Italy
| | - Simona Petrucci
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, 00189 Italy; Division of Medical Genetics, Casa Sollievo della Sofferenza Hospital, IRCCS, San Giovanni Rotondo, 71013 Italy
| | - Alessandro De Luca
- Division of Medical Genetics, Casa Sollievo della Sofferenza Hospital, IRCCS, San Giovanni Rotondo, 71013 Italy
| | - Rossella Rota
- Department of Pediatric Onco-Hematology and Cell and Gene Therapy, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, 00146 Italy
| | - Elisabetta Ferretti
- Department of Experimental Medicine, Sapienza University, Rome, 00161 Italy; Istituto Neuromed, IRCCS, Pozzilli, 86077 Italy
| | - Giuseppe Matullo
- Department of Medical Sciences, University of Turin, Turin, 10126 Italy; Italian Institute for Genomic Medicine, Turin, 10126 Italy
| | - Bruno Dallapiccola
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, 00146 Italy
| | - Antonella Sgura
- Department of Science, University Roma Tre, Rome, 00146 Italy
| | - Magdalena Walkiewicz
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Current affiliation: National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD 20892, USA
| | - R Frank Kooy
- Department of Medical Genetics, University of Antwerp, Edegem, 2650 Belgium.
| | - Marco Tartaglia
- Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, 00146 Italy.
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Ershova ES, Malinovskaya EM, Konkova MS, Veiko RV, Umriukhin PE, Martynov AV, Kutsev SI, Veiko NN, Kostyuk SV. Copy Number Variation of Human Satellite III (1q12) With Aging. Front Genet 2019; 10:704. [PMID: 31447880 PMCID: PMC6692473 DOI: 10.3389/fgene.2019.00704] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 07/03/2019] [Indexed: 12/31/2022] Open
Abstract
Introduction: Human satellite DNA is organized in long arrays in peri/centromeric heterochromatin. There is little information about satellite copy number variants (CNVs) in aging and replicative cell senescence (RS). Materials and Methods: Biotinylated pUC1.77 probe was used for the satellite III (f-SatIII) quantitation in leukocyte DNA by the non-radioactive quantitative hybridization for 557 subjects between 2 and 91 years old. The effect of RS and genotoxic stress (GS, 4 or 6 µM of K2CrO4) on the f-SatIII CNV was studied on the cultured human skin fibroblast (HSF) lines of five subjects. Results: f-SatIII in leukocyte and HSFs varies between 5.7 and 40 pg/ng of DNA. During RS, the f-SatIII content in HSFs increased. During GS, HSFs may increase or decrease f-SatIII content. Cells with low f-SatIII content have the greatest proliferative potential. F-SatIII CNVs in different individuals belonging to the different generations depend on year of their birth. Children (born in 2005–2015 years) differed significantly from the other age groups by low content and low coefficient of variation of f-SatIII. In the individuals born in 1912–1925 and living in unfavorable social conditions (FWW, the Revolution and the Russian Civil War, SWW), there is a significant disproportion in the content of f-SatIII. The coefficient of variation reaches the maximum values than in individuals born in the period from 1926 to 1975. In the group of people born in 1990–2000 (Chernobyl disaster, the collapse of the Soviet Union, and a sharp decline in the population living standard), again, there is a significant disproportion of individuals in the content of f-SatIII. A similar disproportion was observed in the analysis of a group of individuals born in 1926–1975 who in their youth worked for a long time in high-radioactive environment. Conclusion: In generations that were born and who lived in childhood in a period of severe social perturbations or in conditions of environmental pollution, we found a significant increase in leukocyte DNA f-SatIII variability. It is hypothesized that the change of the f-SatIII content in the blood cells reflects the body response to stress of different nature and intensity.
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Affiliation(s)
- Elizaveta S Ershova
- Research Centre for Medical Genetics (RCMG), Moscow, Russia.,I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | | | | | - Roman V Veiko
- Research Centre for Medical Genetics (RCMG), Moscow, Russia
| | - Pavel E Umriukhin
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,P.K. Anokhin Institute of Normal Physiology, Moscow, Russia
| | | | | | | | - Svetlana V Kostyuk
- Research Centre for Medical Genetics (RCMG), Moscow, Russia.,I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
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48
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Chamorro CI, Asghar M, Ekblad Å, Färnert A, Götherström C, Fossum M. Urothelial cell senescence is not linked with telomere shortening. J Tissue Eng Regen Med 2019; 13:1518-1527. [PMID: 31117156 DOI: 10.1002/term.2900] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 04/09/2019] [Accepted: 05/15/2019] [Indexed: 11/11/2022]
Abstract
The success of regenerative medicine relies in part on the quality of the cells implanted. Cell cultures from cells isolated from bladder washes have been successfully established, but molecular changes and cell characteristics have not been explored in detail. In this work, we analysed the role of telomere shortening in relation to the regenerative potential and senescence of cells isolated from bladder washes and expanded in culture. We also analysed whether bladder washes would be a potential source for attaining stem cells or promoting stem cell proliferation by using two different substrates to support their growth: a feeder layer of growth-arrested murine fibroblasts J2 3T3 cells and a xeno-free human recombinant laminin-coated surface. We found no association between telomere shortening and senescence in urothelial cells in vitro. Urothelial cells had a stable telomere length and expressed mesenchymal stem cells markers but failed to differentiate into bone or adipocytes. Feeder layer showed an advantage to laminin-coated surfaces in respect to proliferative capacity with the expense of risking that feeder layer cells could persist in later passages. This emphasizes the importance of using carefully controlled culture conditions and molecular quality controls before autotransplantation in future clinical settings. In conclusion, urothelial cells isolated by bladder washes show regenerative potential that need further understanding. Senescence in vitro might be due to cellular stress, and if so, further improvements in culture conditions may lead to longer cell life and higher proliferative capacity.
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Affiliation(s)
- Clara Ibel Chamorro
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.,Division of Pediatric Urology, Department of Highly Specialized Pediatric Surgery and Pediatric Medicine, Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden.,Department of Pediatric Surgery, Faculty of Health Science, University of Copenhagen, Rigshospitalet, DK-2100 Copenhagen, Denmark
| | - Muhammad Asghar
- Division of Infectious Diseases, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Åsa Ekblad
- Department of Clinical Science, Intervention and Technology, Division of Obstetrics and Gynecology, Karolinska Institutet, Stockholm, Sweden
| | - Anna Färnert
- Division of Infectious Diseases, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Cecilia Götherström
- Department of Clinical Science, Intervention and Technology, Division of Obstetrics and Gynecology, Karolinska Institutet, Stockholm, Sweden
| | - Magdalena Fossum
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.,Division of Pediatric Urology, Department of Highly Specialized Pediatric Surgery and Pediatric Medicine, Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden.,Department of Pediatric Surgery, Faculty of Health Science, University of Copenhagen, Rigshospitalet, DK-2100 Copenhagen, Denmark
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49
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Abstract
The objective of this study was to evaluate replicative senescence of bovine granulosa cells (bGCs) during in vitro long-term culture. WST-1 assay analysis showed that bGCs proliferation was reduced from primary culture to 14th passage. The several bGCs from the 3rd passage and 7th passage exposed the weak activity of beta-galactosidase, while a strongly positive staining of beta-galactosidase was observed in bGCs from 14th passage. Flow cytometry analysis showed that bGCs were induced to cell cycle arrest at G0/G1 phase through in vitro expansion. TERT transcript expression of bGCs was downregulated from primary culture to 14th passage. The cell and nuclear area of bGCs were dramatically increased from 14th passage to 25th passage. The nucleocytoplasmic ratio of bGCs was dramatically reduced in 22th passage (4.32%) and 25th passage (2.45%), comparing to previous passages: primary culture (10.67%), 7th passage (9.21%), or 14th passage (10.33%). The number of microfilament bundle of bGCs was increased in 22nd passage (67.42 ± 17.76) and 25th passage (56.31 ± 22.45). The diameter of microfilament bundle of bGCs in 25th passage was dramatically increased to 1.88 ± 0.32 µm comparing to the primary culture (1.15 ± 0.03 µm). In this study, we also assessed the nuclear form factor which illustrates the level of nuclear circular form. A reduction of nuclear form factor was observed in bGCs during long-term in vitro expansion. The changes of nuclear form factor were correlated to other senescent characteristics, especially the nucleocytoplasmic ratio.
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Affiliation(s)
- Hoang Nghia Son
- a Animal Biotechnology Department , Institute of Tropical Biology, Vietnam Academy of Science and Technology , Ho Chi Minh City , Vietnam.,b Biotechnology Department , Graduate University of Science and Technology, Vietnam Academy of Science and Technology , Ha Noi , Vietnam
| | - Ho Nguyen Quynh Chi
- a Animal Biotechnology Department , Institute of Tropical Biology, Vietnam Academy of Science and Technology , Ho Chi Minh City , Vietnam.,b Biotechnology Department , Graduate University of Science and Technology, Vietnam Academy of Science and Technology , Ha Noi , Vietnam
| | - Doan Chinh Chung
- a Animal Biotechnology Department , Institute of Tropical Biology, Vietnam Academy of Science and Technology , Ho Chi Minh City , Vietnam.,b Biotechnology Department , Graduate University of Science and Technology, Vietnam Academy of Science and Technology , Ha Noi , Vietnam
| | - Le Thanh Long
- a Animal Biotechnology Department , Institute of Tropical Biology, Vietnam Academy of Science and Technology , Ho Chi Minh City , Vietnam.,b Biotechnology Department , Graduate University of Science and Technology, Vietnam Academy of Science and Technology , Ha Noi , Vietnam
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50
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Zhan JK, Wang YJ, Li S, Wang Y, Tan P, He JY, Chen YY, Deng HQ, Huang W, Lin X, Liu YS. AMPK/TSC2/mTOR pathway regulates replicative senescence of human vascular smooth muscle cells. Exp Ther Med 2018; 16:4853-4858. [PMID: 30542441 DOI: 10.3892/etm.2018.6767] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 05/19/2017] [Indexed: 12/23/2022] Open
Abstract
Age-associated diseases, including vascular diseases, are on the rise with the increase in the aging population. However, the mechanisms of aging and age-associated vascular dysfunction remain to be fully elucidated. Replicative senescence of vascular smooth muscle cells (VSMCs) contributes to aging as well as age-associated vascular diseases. Rapamycin may delay aging-associated diseases via inhibition of the mammalian target of rapamycin (mTOR), but its role in VSMC aging has remained elusive. The present study investigated the involvement of mTOR signaling in replicative senescence of VSMCs. Replicative senescence was induced in human VSMCs by extended passages and identified by assessing the cell morphology, senescence-associated β-galactosidase activity, and p53 and p21 protein expression. Protein expression and phosphorylation were determined by western blot analysis. Significant senescence of VSMCs was observed in cells subjected to extended passaging (until passage 15). Significant decreases in adenosine monophosphate-activated protein kinase (AMPK)/tuberous sclerosis complex 2 (TSC2) phosphorylation, but significant increases in mTOR/ribosomal protein S6 kinase 1 (S6K1) phosphorylation, were observed in cells with replicative senescence compared with those in young cells. Pre-treatment of VSMCs with AMPK activator and mTOR inhibitor delayed replicative senescence and reversed changes in AMPKα, TSC2, mTOR and S6K1 phosphorylation in senescent VSMCs. The AMPK/TSC2/mTOR/S6K1 signaling axis was found to have an important role in regulating replicative senescence of human VSMCs.
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Affiliation(s)
- Jun-Kun Zhan
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
| | - Yan-Jiao Wang
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
| | - Shuang Li
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
| | - Yi Wang
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
| | - Pan Tan
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
| | - Je-Yu He
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
| | - Yi-Yin Chen
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
| | - Hui-Qian Deng
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
| | - Wu Huang
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
| | - Xiao Lin
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
| | - You-Shuo Liu
- Geriatric Department, The Second Xiangya Hospital, Institute of Aging and Geriatrics, Central South University, Changsha, Hunan 410011, P.R. China
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