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Huna A, Massemin A, Makulyte G, Flaman JM, Martin N, Bernard D. Regulation of cell function and identity by cellular senescence. J Cell Biol 2024; 223:e202401112. [PMID: 38865089 PMCID: PMC11169915 DOI: 10.1083/jcb.202401112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/26/2024] [Accepted: 05/29/2024] [Indexed: 06/13/2024] Open
Abstract
During aging and in some contexts, like embryonic development, wound healing, and diseases such as cancer, senescent cells accumulate and play a key role in different pathophysiological functions. A long-held belief was that cellular senescence decreased normal cell functions, given the loss of proliferation of senescent cells. This view radically changed following the discovery of the senescence-associated secretory phenotype (SASP), factors released by senescent cells into their microenvironment. There is now accumulating evidence that cellular senescence also promotes gain-of-function effects by establishing, reinforcing, or changing cell identity, which can have a beneficial or deleterious impact on pathophysiology. These effects may involve both proliferation arrest and autocrine SASP production, although they largely remain to be defined. Here, we provide a historical overview of the first studies on senescence and an insight into emerging trends regarding the effects of senescence on cell identity.
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Affiliation(s)
- Anda Huna
- Equipe Labellisée la Ligue Contre le Cancer, Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - Amélie Massemin
- Equipe Labellisée la Ligue Contre le Cancer, Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - Gabriela Makulyte
- Equipe Labellisée la Ligue Contre le Cancer, Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - Jean-Michel Flaman
- Equipe Labellisée la Ligue Contre le Cancer, Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - Nadine Martin
- Equipe Labellisée la Ligue Contre le Cancer, Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France
| | - David Bernard
- Equipe Labellisée la Ligue Contre le Cancer, Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, Lyon, France
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2
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Sharma R. Exploring the emerging bidirectional association between inflamm-aging and cellular senescence in organismal aging and disease. Cell Biochem Funct 2024; 42:e3970. [PMID: 38456500 DOI: 10.1002/cbf.3970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/15/2024] [Accepted: 02/27/2024] [Indexed: 03/09/2024]
Abstract
There is strong evidence that most individuals in the elderly population are characterized by inflamm-aging which refers to a subtle increase in the systemic pro-inflammatory environment and impaired innate immune activation. Although a variety of distinct factors are associated with the progression of inflamm-aging, emerging research is demonstrating a dynamic relationship between the processes of cellular senescence and inflamm-aging. Cellular senescence is a recognized factor governing organismal aging, and through a characteristic secretome, accumulating senescent cells can induce and augment a pro-inflammatory tissue environment that provides a rationale for immune system-independent activation of inflamm-aging and associated diseases. There is also accumulating evidence that inflamm-aging or its components can directly accelerate the development of senescent cells and ultimately senescent cell burden in tissues in a likely vicious inflammatory loop. The present review is intended to describe the emerging senescence-based molecular etiology of inflamm-aging as well as the dynamic reciprocal interactions between inflamm-aging and cellular senescence. Therapeutic interventions concurrently targeting cellular senescence and inflamm-aging are discussed and limitations as well as research opportunities have been deliberated. An effort has been made to provide a rationale for integrating inflamm-aging with cellular senescence both as an underlying cause and therapeutic target for further studies.
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Affiliation(s)
- Rohit Sharma
- Nutrigerontology Laboratory, Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, India
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Perkins DW, Steiner I, Haider S, Robertson D, Buus R, O'Leary L, Isacke CM. Therapy-induced normal tissue damage promotes breast cancer metastasis. iScience 2024; 27:108503. [PMID: 38161426 PMCID: PMC10755366 DOI: 10.1016/j.isci.2023.108503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/02/2023] [Accepted: 11/17/2023] [Indexed: 01/03/2024] Open
Abstract
Disseminated tumor cells frequently exhibit a period of dormancy, rendering them chemotherapy insensitive; conversely, the systemic delivery of chemotherapies can result in normal tissue damage. Using multiple mouse and human breast cancer models, we demonstrate that prior chemotherapy administration enhances metastatic colonization and outgrowth. In vitro, chemotherapy-treated fibroblasts display a pro-tumorigenic senescence-associated secretory phenotype (SASP) and are effectively eliminated by targeting the anti-apoptotic protein BCL-xL. In vivo, chemotherapy treatment induces SASP expression in normal tissues; however, the accumulation of senescent cells is limited, and BCL-xL inhibitors are unable to reduce chemotherapy-enhanced metastasis. This likely reflects that chemotherapy-exposed stromal cells do not enter a BCL-xL-dependent phenotype or switch their dependency to other anti-apoptotic BCL-2 family members. This study highlights the role of the metastatic microenvironment in controlling outgrowth of disseminated tumor cells and the need to identify additional approaches to limit the pro-tumorigenic effects of therapy-induced normal tissue damage.
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Affiliation(s)
- Douglas W. Perkins
- The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, SW3 6JB London, UK
| | - Ivana Steiner
- The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, SW3 6JB London, UK
| | - Syed Haider
- The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, SW3 6JB London, UK
| | - David Robertson
- The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, SW3 6JB London, UK
| | - Richard Buus
- The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, SW3 6JB London, UK
| | - Lynda O'Leary
- The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, SW3 6JB London, UK
| | - Clare M. Isacke
- The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, SW3 6JB London, UK
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Maatuf YH, Marco M, Unger-Gelman S, Farhat E, Zobrab A, Roy A, Kumar A, Carmon I, Reich E, Dvir-Ginzberg M. Diverse Response to Local Pharmacological Blockade of Sirt1 Cleavage in Age-Induced versus Trauma-Induced Osteoarthritis Female Mice. Biomolecules 2024; 14:81. [PMID: 38254681 PMCID: PMC10813022 DOI: 10.3390/biom14010081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/24/2024] Open
Abstract
Objective: Previous studies have shown that the cleavage of Sirt1 contributes to the development of osteoarthritis (OA). In fact, OA was effectively abrogated by the intra-articular (IA) administration of two compounds, one blocking Sirt1 cleavage (CA074me) and the other activating Sirt1 (SRT1720), using a post-traumatically induced model (PTOA) in young female mice. In this study, we attempted to understand if this local treatment is effective in preventing age-associated OA (AOA) progression and symptoms. Design: A group of 17-month-old female C57BL/6J mice were IA administered with CA074me and/or SRT1720 or their combination. Joint histopathological analysis and bone histomorphometry were carried out, with an assessment of knee mechanical hyperalgesia. A serum analysis for NT/CT Sirt1 was carried out along with immunohistochemistry for articular cartilage to detect p16INK4A or γH2A.X. Similarly, meniscal cartilage was monitored for Lef1 and Col1a1 deposition. The data were compared for young female mice subjected to post-traumatic OA (PTOA). Results: Similar to PTOA, combination-treated AOA exhibited improved knee hyperalgesia, yet structural improvements were undetected, corresponding to unchanged NT/CT Sirt1 serum levels. Both AOA and PTOA exhibited unchanged staining for nuclear p16INK4A or γH2A.X and lacked a correlation with OA severity. Contrarily to PTOA, the combination treatment with AOA did not exhibit a local reduction in the Lef1 and Col1 targets. Conclusions: When targeting Sirt1 cleavage, the PTOA and AOA models exhibited a similar pain response to the combination treatment; however, they displayed diverse structural outcomes for joint-related damage, related to Lef1-dependent signaling. Interestingly, nuclear p16INK4A was unaffected in both models, regardless of the treatment's effectiveness. Finally, these findings highlight the variations in the responses between two highly researched OA preclinical models, reflecting OA pathophysiology heterogeneity and variations in gender-related drug-response mechanisms.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Mona Dvir-Ginzberg
- Institute of Biomedical and Oral research, Faculty of Dental Medicine, Hebrew University of Jerusalem, P.O. Box 12272, Jerusalem 9112102, Israel; (Y.H.M.); (M.M.); (S.U.-G.); (E.F.); (A.Z.); (A.R.); (A.K.); (I.C.); (E.R.)
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Marcozzi S, Bigossi G, Giuliani ME, Giacconi R, Piacenza F, Cardelli M, Brunetti D, Segala A, Valerio A, Nisoli E, Lattanzio F, Provinciali M, Malavolta M. Cellular senescence and frailty: a comprehensive insight into the causal links. GeroScience 2023; 45:3267-3305. [PMID: 37792158 PMCID: PMC10643740 DOI: 10.1007/s11357-023-00960-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 09/24/2023] [Indexed: 10/05/2023] Open
Abstract
Senescent cells may have a prominent role in driving inflammation and frailty. The impact of cellular senescence on frailty varies depending on the assessment tool used, as it is influenced by the criteria or items predominantly affected by senescent cells and the varying weights assigned to these items across different health domains. To address this challenge, we undertook a thorough review of all available studies involving gain- or loss-of-function experiments as well as interventions targeting senescent cells, focusing our attention on those studies that examined outcomes based on the individual frailty phenotype criteria or specific items used to calculate two humans (35 and 70 items) and one mouse (31 items) frailty indexes. Based on the calculation of a simple "evidence score," we found that the burden of senescent cells related to musculoskeletal and cerebral health has the strongest causal link to frailty. We deem that insight into these mechanisms may not only contribute to clarifying the role of cellular senescence in frailty but could additionally provide multiple therapeutic opportunities to help the future development of a desirable personalized therapy in these extremely heterogeneous patients.
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Affiliation(s)
- Serena Marcozzi
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
- Scientific Direction, IRCCS INRCA, 60124, Ancona, Italy
| | - Giorgia Bigossi
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Maria Elisa Giuliani
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Robertina Giacconi
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Francesco Piacenza
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Maurizio Cardelli
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Dario Brunetti
- Medical Genetics and Neurogenetics Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20126, Milan, Italy
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20129, Milan, Italy
| | - Agnese Segala
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa, 11, 25123, Brescia, Italy
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa, 11, 25123, Brescia, Italy
| | - Enzo Nisoli
- Center for Study and Research On Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Vanvitelli, 32, 20129, Milan, Italy
| | | | - Mauro Provinciali
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy
| | - Marco Malavolta
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121, Ancona, Italy.
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Huna A, Flaman JM, Lodillinsky C, Zhu K, Makulyte G, Pakulska V, Coute Y, Ruisseaux C, Saintigny P, Hernandez-Vargas H, Defossez PA, Boissan M, Martin N, Bernard D. RSK3 switches cell fate: from stress-induced senescence to malignant progression. J Exp Clin Cancer Res 2023; 42:318. [PMID: 38008756 PMCID: PMC10680185 DOI: 10.1186/s13046-023-02909-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 11/19/2023] [Indexed: 11/28/2023] Open
Abstract
BACKGROUND TGFβ induces several cell phenotypes including senescence, a stable cell cycle arrest accompanied by a secretory program, and epithelial-mesenchymal transition (EMT) in normal epithelial cells. During carcinogenesis cells lose the ability to undergo senescence in response to TGFβ but they maintain an EMT, which can contribute to tumor progression. Our aim was to identify mechanisms promoting TGFβ-induced senescence escape. METHODS In vitro experiments were performed with primary human mammary epithelial cells (HMEC) immortalized by hTert. For kinase library screen and modulation of gene expression retroviral transduction was used. To characterize gene expression, RNA microarray with GSEA analysis and RT-qPCR were used. For protein level and localization, Western blot and immunofluorescence were performed. For senescence characterization crystal violet assay, Senescence Associated-β-Galactosidase activity, EdU staining were conducted. To determine RSK3 partners FLAG-baited immunoprecipitation and mass spectrometry-based proteomic analyses were performed. Proteosome activity and proteasome enrichment assays were performed. To validate the role of RSK3 in human breast cancer, analysis of METABRIC database was performed. Murine intraductal xenografts using MCF10DCIS.com cells were carried out, with histological and immunofluorescence analysis of mouse tissue sections. RESULTS A screen with active kinases in HMECs upon TGFβ treatment identified that the serine threonine kinase RSK3, or RPS6KA2, a kinase mainly known to regulate cancer cell death including in breast cancer, reverted TGFβ-induced senescence. Interestingly, RSK3 expression decreased in response to TGFβ in a SMAD3-dependent manner, and its constitutive expression rescued SMAD3-induced senescence, indicating that a decrease in RSK3 itself contributes to TGFβ-induced senescence. Using transcriptomic analyses and affinity purification coupled to mass spectrometry-based proteomics, we unveiled that RSK3 regulates senescence by inhibiting the NF-κΒ pathway through the decrease in proteasome-mediated IκBα degradation. Strikingly, senescent TGFβ-treated HMECs display features of epithelial to mesenchymal transition (EMT) and during RSK3-induced senescence escaped HMECs conserve EMT features. Importantly, RSK3 expression is correlated with EMT and invasion, and inversely correlated with senescence and NF-κΒ in human claudin-low breast tumors and its expression enhances the formation of breast invasive tumors in the mouse mammary gland. CONCLUSIONS We conclude that RSK3 switches cell fate from senescence to malignancy in response to TGFβ signaling.
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Affiliation(s)
- Anda Huna
- Cancer Research Center of Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, 69373, Lyon, France
- Equipe Labellisée La Ligue Contre Le Cancer, Lyon, France
| | - Jean-Michel Flaman
- Cancer Research Center of Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, 69373, Lyon, France
- Equipe Labellisée La Ligue Contre Le Cancer, Lyon, France
| | - Catalina Lodillinsky
- INSERM UMR_S 938, Saint-Antoine Research Center, CRSA, University Sorbonne, Paris, France
- Research Area, Instituto de Oncología Ángel H. Roffo, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Kexin Zhu
- Cancer Research Center of Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, 69373, Lyon, France
- Equipe Labellisée La Ligue Contre Le Cancer, Lyon, France
| | - Gabriela Makulyte
- Cancer Research Center of Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, 69373, Lyon, France
- Equipe Labellisée La Ligue Contre Le Cancer, Lyon, France
| | - Victoria Pakulska
- Université Grenoble Alpes, Inserm, UA13 BGE, CNRS, CEA, FR2048, 38000, Grenoble, France
| | - Yohann Coute
- Université Grenoble Alpes, Inserm, UA13 BGE, CNRS, CEA, FR2048, 38000, Grenoble, France
| | - Clémence Ruisseaux
- Cancer Research Center of Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, 69373, Lyon, France
| | - Pierre Saintigny
- Cancer Research Center of Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, 69373, Lyon, France
| | - Hector Hernandez-Vargas
- Cancer Research Center of Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, 69373, Lyon, France
| | | | - Mathieu Boissan
- INSERM UMR_S 938, Saint-Antoine Research Center, CRSA, University Sorbonne, Paris, France
| | - Nadine Martin
- Cancer Research Center of Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, 69373, Lyon, France
- Equipe Labellisée La Ligue Contre Le Cancer, Lyon, France
| | - David Bernard
- Cancer Research Center of Lyon, Inserm U1052, CNRS UMR 5286, Université de Lyon, Centre Léon Bérard, 69373, Lyon, France.
- Equipe Labellisée La Ligue Contre Le Cancer, Lyon, France.
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Holmannova D, Borsky P, Parova H, Stverakova T, Vosmik M, Hruska L, Fiala Z, Borska L. Non-Genomic Hallmarks of Aging-The Review. Int J Mol Sci 2023; 24:15468. [PMID: 37895144 PMCID: PMC10607657 DOI: 10.3390/ijms242015468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 10/19/2023] [Accepted: 10/21/2023] [Indexed: 10/29/2023] Open
Abstract
Aging is a natural, gradual, and inevitable process associated with a series of changes at the molecular, cellular, and tissue levels that can lead to an increased risk of many diseases, including cancer. The most significant changes at the genomic level (DNA damage, telomere shortening, epigenetic changes) and non-genomic changes are referred to as hallmarks of aging. The hallmarks of aging and cancer are intertwined. Many studies have focused on genomic hallmarks, but non-genomic hallmarks are also important and may additionally cause genomic damage and increase the expression of genomic hallmarks. Understanding the non-genomic hallmarks of aging and cancer, and how they are intertwined, may lead to the development of approaches that could influence these hallmarks and thus function not only to slow aging but also to prevent cancer. In this review, we focus on non-genomic changes. We discuss cell senescence, disruption of proteostasis, deregualation of nutrient sensing, dysregulation of immune system function, intercellular communication, mitochondrial dysfunction, stem cell exhaustion and dysbiosis.
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Affiliation(s)
- Drahomira Holmannova
- Institute of Preventive Medicine, Faculty of Medicine in Hradec Kralove, Charles University, 500 03 Hradec Kralove, Czech Republic; (D.H.); (Z.F.); (L.B.)
| | - Pavel Borsky
- Institute of Preventive Medicine, Faculty of Medicine in Hradec Kralove, Charles University, 500 03 Hradec Kralove, Czech Republic; (D.H.); (Z.F.); (L.B.)
| | - Helena Parova
- Department of Clinical Biochemistry and Diagnostics, University Hospital, Faculty of Medicine in Hradec Kralove, Charles University, 500 03 Hradec Kralove, Czech Republic; (H.P.); (T.S.)
| | - Tereza Stverakova
- Department of Clinical Biochemistry and Diagnostics, University Hospital, Faculty of Medicine in Hradec Kralove, Charles University, 500 03 Hradec Kralove, Czech Republic; (H.P.); (T.S.)
| | - Milan Vosmik
- Department of Oncology and Radiotherapy, University Hospital, Faculty of Medicine in Hradec Kralove, Charles University, 500 03 Hradec Kralove, Czech Republic; (M.V.); (L.H.)
| | - Libor Hruska
- Department of Oncology and Radiotherapy, University Hospital, Faculty of Medicine in Hradec Kralove, Charles University, 500 03 Hradec Kralove, Czech Republic; (M.V.); (L.H.)
| | - Zdenek Fiala
- Institute of Preventive Medicine, Faculty of Medicine in Hradec Kralove, Charles University, 500 03 Hradec Kralove, Czech Republic; (D.H.); (Z.F.); (L.B.)
| | - Lenka Borska
- Institute of Preventive Medicine, Faculty of Medicine in Hradec Kralove, Charles University, 500 03 Hradec Kralove, Czech Republic; (D.H.); (Z.F.); (L.B.)
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Evangelou K, Belogiannis K, Papaspyropoulos A, Petty R, Gorgoulis VG. Escape from senescence: molecular basis and therapeutic ramifications. J Pathol 2023; 260:649-665. [PMID: 37550877 DOI: 10.1002/path.6164] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 08/09/2023]
Abstract
Cellular senescence constitutes a stress response mechanism in reaction to a plethora of stimuli. Senescent cells exhibit cell-cycle arrest and altered function. While cell-cycle withdrawal has been perceived as permanent, recent evidence in cancer research introduced the so-called escape-from-senescence concept. In particular, under certain conditions, senescent cells may resume proliferation, acquiring highly aggressive features. As such, they have been associated with tumour relapse, rendering senescence less effective in inhibiting cancer progression. Thus, conventional cancer treatments, incapable of eliminating senescence, may benefit if revisited to include senolytic agents. To this end, it is anticipated that the assessment of the senescence burden in everyday clinical material by pathologists will play a crucial role in the near future, laying the foundation for more personalised approaches. Here, we provide an overview of the investigations that introduced the escape-from-senescence phenomenon, the identified mechanisms, as well as the major implications for pathology and therapy. © 2023 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Konstantinos Evangelou
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Konstantinos Belogiannis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Angelos Papaspyropoulos
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Russell Petty
- Ninewells Hospital and Medical School, University of Dundee, Dundee, UK
| | - Vassilis G Gorgoulis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Biomedical Research Foundation, Academy of Athens, Athens, Greece
- Ninewells Hospital and Medical School, University of Dundee, Dundee, UK
- Faculty Institute for Cancer Sciences, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, UK
- Center for New Biotechnologies and Precision Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
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9
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Jaber S, Warnier M, Leers C, Vernier M, Goehrig D, Médard JJ, Vindrieux D, Ziegler DV, Bernard D. Targeting chemoresistant senescent pancreatic cancer cells improves conventional treatment efficacy. MOLECULAR BIOMEDICINE 2023; 4:4. [PMID: 36739330 PMCID: PMC9899302 DOI: 10.1186/s43556-023-00116-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 01/15/2023] [Indexed: 02/06/2023] Open
Abstract
Pancreatic cancer is one of the deadliest cancers owing to its late diagnosis and of the strong resistance to available treatments. Despite a better understanding of the disease in the last two decades, no significant improvement in patient care has been made. Senescent cells are characterized by a stable proliferation arrest and some resistance to cell death. Increasing evidence suggests that multiple lines of antitumor therapy can induce a senescent-like phenotype in cancer cells, which may participate in treatment resistance. In this study, we describe that gemcitabine, a clinically-used drug against pancreatic cancer, induces a senescent-like phenotype in highly chemoresistant pancreatic cancer cells in vitro and in xenografted tumors in vivo. The use of ABT-263, a well-described senolytic compound targeting Bcl2 anti-apoptotic proteins, killed pancreatic gemcitabine-treated senescent-like cancer cells in vitro. In vivo, the combination of gemcitabine and ABT-263 decreased tumor growth, whereas their individual administration had no effect. Together these data highlight the possibility of improving the efficacy of conventional chemotherapies against pancreatic cancer by eliminating senescent-like cancer cells through senolytic intervention. Further studies testing different senolytics or their combination with available treatments will be necessary to optimize preclinical data in mouse models before transferring these findings to clinical trials.
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Affiliation(s)
- Sara Jaber
- grid.25697.3f0000 0001 2172 4233Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Marine Warnier
- grid.25697.3f0000 0001 2172 4233Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Christopher Leers
- grid.25697.3f0000 0001 2172 4233Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Mathieu Vernier
- grid.25697.3f0000 0001 2172 4233Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France ,Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
| | - Delphine Goehrig
- grid.25697.3f0000 0001 2172 4233Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France ,Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
| | - Jean-Jacques Médard
- grid.25697.3f0000 0001 2172 4233Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France ,Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
| | - David Vindrieux
- grid.25697.3f0000 0001 2172 4233Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France ,Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
| | - Dorian V. Ziegler
- grid.25697.3f0000 0001 2172 4233Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France ,grid.9851.50000 0001 2165 4204Center for Integrative Genomics, University of Lausanne, CH-1015 Lausanne, Switzerland
| | - David Bernard
- grid.25697.3f0000 0001 2172 4233Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France ,Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
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10
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Di Bartolomeo L, Vaccaro F, Irrera N, Borgia F, Li Pomi F, Squadrito F, Vaccaro M. Wnt Signaling Pathways: From Inflammation to Non-Melanoma Skin Cancers. Int J Mol Sci 2023; 24:ijms24021575. [PMID: 36675086 PMCID: PMC9867176 DOI: 10.3390/ijms24021575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
Canonical and non-canonical Wnt signaling pathways are involved in cell differentiation and homeostasis, but also in tumorigenesis. In fact, an exaggerated activation of Wnt signaling may promote tumor growth and invasion. We summarize the most intriguing evidence about the role of Wnt signaling in cutaneous carcinogenesis, in particular in the pathogenesis of non-melanoma skin cancer (NMSC). Wnt signaling is involved in several ways in the development of skin tumors: it may modulate the inflammatory tumor microenvironment, synergize with Sonic Hedgehog pathway in the onset of basal cell carcinoma, and contribute to the progression from precancerous to malignant lesions and promote the epithelial-mesenchymal transition in squamous cell carcinoma. Targeting Wnt pathways may represent an additional efficient approach in the management of patients with NMSC.
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Affiliation(s)
- Luca Di Bartolomeo
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, 98125 Messina, Italy
| | - Federico Vaccaro
- Department of Dermatology, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Natasha Irrera
- Department of Clinical and Experimental Medicine, Section of Pharmacology, University of Messina, 98125 Messina, Italy
| | - Francesco Borgia
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, 98125 Messina, Italy
| | - Federica Li Pomi
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, 98125 Messina, Italy
| | - Francesco Squadrito
- Department of Clinical and Experimental Medicine, Section of Pharmacology, University of Messina, 98125 Messina, Italy
| | - Mario Vaccaro
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, 98125 Messina, Italy
- Correspondence:
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11
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Gabai Y, Assouline B, Ben-Porath I. Senescent stromal cells: roles in the tumor microenvironment. Trends Cancer 2023; 9:28-41. [PMID: 36208990 DOI: 10.1016/j.trecan.2022.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/06/2022] [Accepted: 09/12/2022] [Indexed: 11/07/2022]
Abstract
Cellular senescence forms a barrier to tumorigenesis, by inducing cell cycle arrest in damaged and mutated cells. However, once formed, senescent cells often emit paracrine signals that can either promote or suppress tumorigenesis. There is evidence that, in addition to cancer cells, subsets of tumor stromal cells, including fibroblasts, endothelial cells, and immune cells, undergo senescence. Such senescent stromal cells can influence cancer development and progression and represent potential targets for therapy. However, understanding of their characteristics and roles is limited and few studies have dissected their functions in vivo. Here, we discuss current knowledge and pertinent questions regarding the presence of senescent stromal cells in cancers, the triggers that elicit their formation, and their potential roles within the tumor microenvironment.
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Affiliation(s)
- Yael Gabai
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Benjamin Assouline
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Ittai Ben-Porath
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel.
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12
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Herdy JR, Traxler L, Agarwal RK, Karbacher L, Schlachetzki JCM, Boehnke L, Zangwill D, Galasko D, Glass CK, Mertens J, Gage FH. Increased post-mitotic senescence in aged human neurons is a pathological feature of Alzheimer's disease. Cell Stem Cell 2022; 29:1637-1652.e6. [PMID: 36459967 PMCID: PMC10093780 DOI: 10.1016/j.stem.2022.11.010] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 10/03/2022] [Accepted: 11/09/2022] [Indexed: 12/02/2022]
Abstract
The concept of senescence as a phenomenon limited to proliferating cells has been challenged by growing evidence of senescence-like features in terminally differentiated cells, including neurons. The persistence of senescent cells late in life is associated with tissue dysfunction and increased risk of age-related disease. We found that Alzheimer's disease (AD) brains have significantly higher proportions of neurons that express senescence markers, and their distribution indicates bystander effects. AD patient-derived directly induced neurons (iNs) exhibit strong transcriptomic, epigenetic, and molecular biomarker signatures, indicating a specific human neuronal senescence-like state. AD iN single-cell transcriptomics revealed that senescent-like neurons face oncogenic challenges and metabolic dysfunction as well as display a pro-inflammatory signature. Integrative profiling of the inflammatory secretome of AD iNs and patient cerebral spinal fluid revealed a neuronal senescence-associated secretory phenotype that could trigger astrogliosis in human astrocytes. Finally, we show that targeting senescence-like neurons with senotherapeutics could be a strategy for preventing or treating AD.
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Affiliation(s)
- Joseph R Herdy
- Department of Neurosciences, University of California, San Diego, La Jolla, CA, USA; Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA; Neural Aging Laboratory, Institute of Molecular Biology, CMBI, Leopold-Franzens-University Innsbruck, Tyrol, Austria.
| | - Larissa Traxler
- Neural Aging Laboratory, Institute of Molecular Biology, CMBI, Leopold-Franzens-University Innsbruck, Tyrol, Austria
| | - Ravi K Agarwal
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Lukas Karbacher
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Johannes C M Schlachetzki
- Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Lena Boehnke
- Neural Aging Laboratory, Institute of Molecular Biology, CMBI, Leopold-Franzens-University Innsbruck, Tyrol, Austria
| | - Dina Zangwill
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA; Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Doug Galasko
- Department of Neurosciences, University of California, San Diego, La Jolla, CA, USA
| | - Christopher K Glass
- Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Jerome Mertens
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA; Neural Aging Laboratory, Institute of Molecular Biology, CMBI, Leopold-Franzens-University Innsbruck, Tyrol, Austria.
| | - Fred H Gage
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA.
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13
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Šerman N, Vranić S, Glibo M, Šerman L, Mokos ZB. Genetic risk factors in melanoma etiopathogenesis and the role of genetic counseling: A concise review. Bosn J Basic Med Sci 2022; 22:673-682. [PMID: 35465855 PMCID: PMC9519167 DOI: 10.17305/bjbms.2021.7378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 04/20/2022] [Indexed: 11/16/2022] Open
Abstract
Melanoma is a highly aggressive cancer originating from melanocytes. Its etiopathogenesis is strongly related to genetic, epigenetic, and environmental factors. Melanomas encountered in clinical practice are predominantly sporadic, whereas hereditary melanomas account for approximately 10% of the cases. Hereditary melanomas mainly develop due to mutations in the CDKN2A gene, which encodes two tumor suppressor proteins involved in the cell cycle regulation. CDKN2A, along with CDK4, TERT, and POT1 genes, is a high-risk gene for melanoma. Among the genes that carry a moderate risk are MC1R and MITF, whose protein products are involved in melanin synthesis. The environment also contributes to the development of melanoma. Patients at risk of melanoma should be offered genetic counseling to discuss genetic testing options and the importance of skin UV protection, avoidance of sun exposure, and regular preventive dermatological examinations. Although cancer screening cannot prevent the development of the disease, it allows for early diagnosis when the survival rate is the highest.
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Affiliation(s)
| | - Semir Vranić
- College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Mislav Glibo
- Department of Biology, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Ljiljana Šerman
- Department of Biology, School of Medicine, University of Zagreb, Zagreb, Croatia
- Centre of Excellence in Reproductive and Regenerative Medicine, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Zrinka Bukvić Mokos
- School of Medicine, University of Zagreb, Zagreb, Croatia
- Department of Dermatology and Venereology, University Hospital Centre Zagreb, Zagreb, Croatia
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14
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Wong W, Crane ED, Zhang H, Li J, Day TA, Green AE, Menzies KJ, Crane JD. Pgc-1α controls epidermal stem cell fate and skin repair by sustaining NAD + homeostasis during aging. Mol Metab 2022; 65:101575. [PMID: 35987498 PMCID: PMC9463389 DOI: 10.1016/j.molmet.2022.101575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/30/2022] [Accepted: 08/11/2022] [Indexed: 10/31/2022] Open
Abstract
OBJECTIVE The epidermal barrier is renewed by the activation, proliferation, and differentiation of keratinocyte stem cells after injury and aging impedes this repair process through undefined mechanisms. We previously identified a gene signature of metabolic dysfunction in aged murine epidermis, but the precise regulators of epidermal repair and age-related growth defects are not well established. Aged mouse models as well as mice with conditional epidermal loss of the metabolic regulator, peroxisome proliferator-activated receptor gamma coactivator-1 alpha (Pgc-1α) were used to explore the cellular pathways which control skin repair after injury and stress. METHODS Aged mice or those with epidermal Pgc-1α deletion (epiPgc-1α KO) and young or Pgc1afl/fl controls were subjected to wound injury, UVB exposure or the inflammatory agent TPA. In vivo and ex vivo analyses of wound closure, skin structure, cell growth and stem cell differentiation were used to understand changes in epidermal re-growth and repair resulting from aging or Pgc-1α loss. RESULTS Aging impairs epidermal re-growth during wound healing and results in lower expression of Pgc-1α. Mice with conditional deletion of epidermal Pgc-1α exhibit greater inflammation- and UVB-induced cell differentiation, reduced proliferation, and slower wound healing. epiPgc-1α KO mice also displayed reduced keratinocyte NAD+ levels, shorter telomeres, and greater poly ADP-ribosylation, resulting in enhanced stress-stimulated p53 and p21 signaling. When NAD+ was reduced by Pgc-1α loss or pharmacologic inhibition of NAD+ synthesis, there was reduced stress-induced proliferation, increased differentiation, and protection against DNA damage via enhanced epidermal shedding. Similarly, aged mice exhibit disrupted epidermal NAD+ homeostasis and enhanced p53 activation, resulting in p21 growth arrest after wounding. NAD+ precursor treatment restores epidermal growth from old skin to that of young. CONCLUSIONS Our studies identify a novel role for epidermal Pgc-1α in controlling epidermal repair via its regulation of cellular NAD+ and downstream effects on p53-driven growth arrest. We also establish that parallel mechanisms are evident in aged epidermis, showing that NAD+ signaling is an important controller of physiologic skin repair and that dysfunction of this pathway contributes to age-related wound repair defects.
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Affiliation(s)
- Wesley Wong
- Department of Biology, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA
| | - Elizabeth D Crane
- Department of Biology, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA
| | - Hui Zhang
- Department of Biology, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA
| | - Jiahe Li
- Department of Bioengineering, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA
| | - Tovah A Day
- Department of Biology, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA
| | - Alex E Green
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Canada
| | - Keir J Menzies
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Canada
| | - Justin D Crane
- Department of Biology, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA.
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15
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Palazzo A, Hernandez-Vargas H, Goehrig D, Médard JJ, Vindrieux D, Flaman JM, Bernard D. Transformed cells after senescence give rise to more severe tumor phenotypes than transformed non-senescent cells. Cancer Lett 2022; 546:215850. [DOI: 10.1016/j.canlet.2022.215850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/20/2022] [Accepted: 07/26/2022] [Indexed: 11/24/2022]
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16
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Gao J, Li Y, Guan Y, Wei X, Chen S, Li X, Li Y, Huang Z, Liu S, Li G, Xu P, Zhang Y, Zhao Y. The accelerated aging skin in rhino-like SHJH hr mice. Exp Dermatol 2022; 31:1597-1606. [PMID: 35737869 DOI: 10.1111/exd.14632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 05/26/2022] [Accepted: 06/20/2022] [Indexed: 11/29/2022]
Abstract
SHJHhr mice line is rhino-like mice with a nonsense Hairless (Hr) mutant, which shows the characteristic of shedding hair and wrinkled skin with increasing age. Though histological analysis and aging indexes detection, SHJHhr mice show an increased thickness skin with degraded hair follicle and dermal cysts, and disorganized collagen fibers as well as decreased level of Hyp. Meanwhile, the aging markers p16 and p21 are significantly higher in SHJHhr mouse skin than ICR mouse skin at same age. Moreover, the data of MDA and SOD show a higher oxidative stress in SHJHhr mouse skin, and the levels of Nrf2 and its targets are significantly down-regulated, which suggests SHJHhr mice have a faster aging skin and its reason maybe poor antioxidative protection. Overall, this study shows SHJHhr mice with an accelerated aging skin, which suggests the role of Hr gene in skin aging.
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Affiliation(s)
- Jinfeng Gao
- Guangdong Pharmaceutical University, Guangzhou, China
| | - Yongchao Li
- Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, China.,The Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Yalun Guan
- Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, China
| | - Xiaoyue Wei
- Guangdong Pharmaceutical University, Guangzhou, China
| | - Shijian Chen
- Guangdong Pharmaceutical University, Guangzhou, China
| | - Xuejiao Li
- Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, China
| | - Yunfeng Li
- Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, China
| | - Zhongqiang Huang
- Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, China
| | - Shuhua Liu
- Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, China
| | - Ge Li
- Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, China
| | - Ping Xu
- Shanghai Jihui Laboratory Animal Care Co., Ltd., Shanghai, China
| | - Yu Zhang
- Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, China
| | - Yuhong Zhao
- Guangdong Pharmaceutical University, Guangzhou, China
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17
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Karen-Ng LP, Ahmad US, Gomes L, Hunter KD, Wan H, Hagi-Pavli E, Parkinson EK. Extracellular Prostaglandins E1 and E2 and Inflammatory Cytokines Are Regulated by the Senescence Program in Potentially Premalignant Oral Keratinocytes. Cancers (Basel) 2022; 14:cancers14112636. [PMID: 35681614 PMCID: PMC9179502 DOI: 10.3390/cancers14112636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/03/2022] [Accepted: 05/06/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary The early treatment of oral cancer is a high priority, as improvements in this area could lead to greater cure rates and reduced disability due to extensive surgery. Oral cancer is very difficult to detect in over 70% of cases as it develops unseen until quite advanced, sometimes rapidly. It has become apparent that there are at least two types of epithelial cells (keratinocytes) found in oral tissue on the road to cancer (premalignant). One type secretes molecules called prostaglandins but the other does not and the former may stimulate the latter to progress to malignancy, either by stimulating their proliferation or encouraging the influx of blood vessels to feed them. Additionally, we have identified regulators of prostaglandin secretion in premalignant oral cells that could be targeted in future therapies, such as inducers of cellular senescence, drugs which kill senescent cells (senolytics), steroid metabolism, cyclo-oxygenase 2 (COX2) and p38 mitogen-activated protein kinase. Abstract Potentially pre-malignant oral lesions (PPOLs) are composed of keratinocytes that are either mortal (MPPOL) or immortal (IPPOL) in vitro. We report here that MPPOL, but not generally IPPOL, keratinocytes upregulate various extracellular tumor-promoting cytokines (interleukins 6 and 8) and prostaglandins E1 (ePGE1) and E2 (ePGE2) relative to normal oral keratinocytes (NOKs). ePGE upregulation in MPPOL was independent of PGE receptor status and was associated with some but not all markers of cellular senescence. Nevertheless, ePGE upregulation was dependent on the senescence program, cyclo-oxygenase 2 (COX2) and p38 mitogen-activated protein kinase and was partially regulated by hydrocortisone. Following senescence in the absence of p16INK4A, ePGEs accumulated in parallel with a subset of tumor promoting cytokine and metalloproteinase (MMP) transcripts, all of which were ablated by ectopic telomerase. Surprisingly, ataxia telangiectasia mutated (ATM) function was not required for ePGE upregulation and was increased in expression in IPPOL keratinocytes in line with its recently reported role in telomerase function. Only ePGE1 was dependent on p53 function, suggesting that ePGEs 1 and 2 are regulated differently in oral keratinocytes. We show here that ePGE2 stimulates IPPOL keratinocyte proliferation in vitro. Therefore, we propose that MPPOL keratinocytes promote the progression of IPPOL to oral SCC in a pre-cancerous field by supplying PGEs, interleukins and MMPs in a paracrine manner. Our results suggest that the therapeutic targeting of COX-2 might be enhanced by strategies that target keratinocyte senescence.
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Affiliation(s)
- Lee Peng Karen-Ng
- Center for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Turner Street, London E1 2AD, UK; (L.P.K.-N.); (U.S.A.); (L.G.); (H.W.); (E.H.-P.)
- Oral Cancer Research & Coordinating Center (OCRCC), Faculty of Dentistry, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Usama Sharif Ahmad
- Center for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Turner Street, London E1 2AD, UK; (L.P.K.-N.); (U.S.A.); (L.G.); (H.W.); (E.H.-P.)
| | - Luis Gomes
- Center for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Turner Street, London E1 2AD, UK; (L.P.K.-N.); (U.S.A.); (L.G.); (H.W.); (E.H.-P.)
| | - Keith David Hunter
- Academic Unit of Oral and Maxillofacial Medicine and Pathology, School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK;
- Liverpool Head and Neck Centre, Molecular and Clinical Medicine, University of Liverpool, Liverpool L1 8JX, UK
| | - Hong Wan
- Center for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Turner Street, London E1 2AD, UK; (L.P.K.-N.); (U.S.A.); (L.G.); (H.W.); (E.H.-P.)
| | - Eleni Hagi-Pavli
- Center for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Turner Street, London E1 2AD, UK; (L.P.K.-N.); (U.S.A.); (L.G.); (H.W.); (E.H.-P.)
| | - Eric Kenneth Parkinson
- Center for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Turner Street, London E1 2AD, UK; (L.P.K.-N.); (U.S.A.); (L.G.); (H.W.); (E.H.-P.)
- Correspondence: ; Tel.: +44-(0)-2078827185 or +44-(0)-7854046536
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18
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Raffaele M, Kovacovicova K, Biagini T, Lo Re O, Frohlich J, Giallongo S, Nhan JD, Giannone AG, Cabibi D, Ivanov M, Tonchev AB, Mistrik M, Lacey M, Dzubak P, Gurska S, Hajduch M, Bartek J, Mazza T, Micale V, Curran SP, Vinciguerra M. Nociceptin/orphanin FQ opioid receptor (NOP) selective ligand MCOPPB links anxiolytic and senolytic effects. GeroScience 2022; 44:463-483. [PMID: 34820764 PMCID: PMC8612119 DOI: 10.1007/s11357-021-00487-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 11/05/2021] [Indexed: 01/18/2023] Open
Abstract
Accumulation of senescent cells may drive age-associated alterations and pathologies. Senolytics are promising therapeutics that can preferentially eliminate senescent cells. Here, we performed a high-throughput automatized screening (HTS) of the commercial LOPAC®Pfizer library on aphidicolin-induced senescent human fibroblasts, to identify novel senolytics. We discovered the nociceptin receptor FQ opioid receptor (NOP) selective ligand 1-[1-(1-methylcyclooctyl)-4-piperidinyl]-2-[(3R)-3-piperidinyl]-1H-benzimidazole (MCOPPB, a compound previously studied as potential anxiolytic) as the best scoring hit. The ability of MCOPPB to eliminate senescent cells in in vitro models was further tested in mice and in C. elegans. MCOPPB reduced the senescence cell burden in peripheral tissues but not in the central nervous system. Mice and worms exposed to MCOPPB also exhibited locomotion and lipid storage changes. Mechanistically, MCOPPB treatment activated transcriptional networks involved in the immune responses to external stressors, implicating Toll-like receptors (TLRs). Our study uncovers MCOPPB as a NOP ligand that, apart from anxiolytic effects, also shows tissue-specific senolytic effects.
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Affiliation(s)
- Marco Raffaele
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic
| | - Kristina Kovacovicova
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic
- Psychogenics Inc, Tarrytown, NY, USA
| | - Tommaso Biagini
- Laboratory of Bioinformatics, Fondazione IRCCS Casa Sollievo Della Sofferenza, San Giovanni Rotondo, Italy
| | - Oriana Lo Re
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic
- Department of Translational Stem Cell Biology, Research Institute of the Medical University of Varna, Varna, Bulgaria
| | - Jan Frohlich
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic
| | - Sebastiano Giallongo
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - James D Nhan
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
- Department of Molecular and Computational Biology, Arts, and Sciences, Dornsife College of Letters, University of Southern California, Los Angeles, CA, USA
| | - Antonino Giulio Giannone
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, Pathologic Anatomy Unit-University of Palermo, Palermo, Italy
| | - Daniela Cabibi
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, Pathologic Anatomy Unit-University of Palermo, Palermo, Italy
| | - Martin Ivanov
- Department of Anatomy and Cell Biology, Research Institute of the Medical University of Varna, Varna, Bulgaria
| | - Anton B Tonchev
- Department of Translational Stem Cell Biology, Research Institute of the Medical University of Varna, Varna, Bulgaria
- Department of Anatomy and Cell Biology, Research Institute of the Medical University of Varna, Varna, Bulgaria
| | - Martin Mistrik
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Matthew Lacey
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Petr Dzubak
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Sona Gurska
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Marian Hajduch
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Jiri Bartek
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
- Genome Integrity Unit, Danish Cancer Society Research Center, Copenhagen, Denmark
- Division of Genome Biology, Department of Medical Biochemistry and Biophysics, Science for Life Laboratory, Karolinska Institute, Stockholm, Sweden
| | - Tommaso Mazza
- Laboratory of Bioinformatics, Fondazione IRCCS Casa Sollievo Della Sofferenza, San Giovanni Rotondo, Italy
| | - Vincenzo Micale
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Sean P Curran
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
- Department of Molecular and Computational Biology, Arts, and Sciences, Dornsife College of Letters, University of Southern California, Los Angeles, CA, USA
- Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Manlio Vinciguerra
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic.
- Department of Translational Stem Cell Biology, Research Institute of the Medical University of Varna, Varna, Bulgaria.
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19
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Kolodkin-Gal D, Roitman L, Ovadya Y, Azazmeh N, Assouline B, Schlesinger Y, Kalifa R, Horwitz S, Khalatnik Y, Hochner-Ger A, Imam A, Demma JA, Winter E, Benyamini H, Elgavish S, Khatib AAS, Meir K, Atlan K, Pikarsky E, Parnas O, Dor Y, Zamir G, Ben-Porath I, Krizhanovsky V. Senolytic elimination of Cox2-expressing senescent cells inhibits the growth of premalignant pancreatic lesions. Gut 2022; 71:345-355. [PMID: 33649045 PMCID: PMC8762039 DOI: 10.1136/gutjnl-2020-321112] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 02/13/2021] [Accepted: 02/16/2021] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Cellular senescence limits tumourigenesis by blocking the proliferation of premalignant cells. Additionally, however, senescent cells can exert paracrine effects influencing tumour growth. Senescent cells are present in premalignant pancreatic intraepithelial neoplasia (PanIN) lesions, yet their effects on the disease are poorly characterised. It is currently unknown whether senolytic drugs, aimed at eliminating senescent cells from lesions, could be beneficial in blocking tumour development. DESIGN To uncover the functions of senescent cells and their potential contribution to early pancreatic tumourigenesis, we isolated and characterised senescent cells from PanINs formed in a Kras-driven mouse model, and tested the consequences of their targeted elimination through senolytic treatment. RESULTS We found that senescent PanIN cells exert a tumour-promoting effect through expression of a proinflammatory signature that includes high Cox2 levels. Senolytic treatment with the Bcl2-family inhibitor ABT-737 eliminated Cox2-expressing senescent cells, and an intermittent short-duration treatment course dramatically reduced PanIN development and progression to pancreatic ductal adenocarcinoma. CONCLUSIONS These findings reveal that senescent PanIN cells support tumour growth and progression, and provide a first indication that elimination of senescent cells may be effective as preventive therapy for the progression of precancerous lesions.
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Affiliation(s)
- Dror Kolodkin-Gal
- Department of Developmental Biology and Cancer Research, Institute for Medical Research – Israel-Canada, The Hebrew University–Hadassah Medical School, Jerusalem, Israel,Department of Surgery, Hadassah–Hebrew University Medical Center, Jerusalem, Israel
| | - Lior Roitman
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot, Israel
| | - Yossi Ovadya
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot, Israel
| | - Narmen Azazmeh
- Department of Developmental Biology and Cancer Research, Institute for Medical Research – Israel-Canada, The Hebrew University–Hadassah Medical School, Jerusalem, Israel
| | - Benjamin Assouline
- Department of Developmental Biology and Cancer Research, Institute for Medical Research – Israel-Canada, The Hebrew University–Hadassah Medical School, Jerusalem, Israel
| | - Yehuda Schlesinger
- The Concern Foundation Laboratories at the Lautenberg Center for Immunology and Cancer Research, IMRIC, Faculty of Medicine, Hebrew University–Hadassah Medical School, Jerusalem, Israel
| | - Rachel Kalifa
- Department of Developmental Biology and Cancer Research, Institute for Medical Research – Israel-Canada, The Hebrew University–Hadassah Medical School, Jerusalem, Israel,Department of Surgery, Hadassah–Hebrew University Medical Center, Jerusalem, Israel
| | - Shaul Horwitz
- Department of Developmental Biology and Cancer Research, Institute for Medical Research – Israel-Canada, The Hebrew University–Hadassah Medical School, Jerusalem, Israel,Department of Surgery, Hadassah–Hebrew University Medical Center, Jerusalem, Israel
| | - Yonatan Khalatnik
- Department of Developmental Biology and Cancer Research, Institute for Medical Research – Israel-Canada, The Hebrew University–Hadassah Medical School, Jerusalem, Israel,Department of Surgery, Hadassah–Hebrew University Medical Center, Jerusalem, Israel
| | - Anna Hochner-Ger
- Department of Developmental Biology and Cancer Research, Institute for Medical Research – Israel-Canada, The Hebrew University–Hadassah Medical School, Jerusalem, Israel,Department of Surgery, Hadassah–Hebrew University Medical Center, Jerusalem, Israel
| | - Ashraf Imam
- Department of Surgery, Hadassah–Hebrew University Medical Center, Jerusalem, Israel
| | | | - Eitan Winter
- Info-CORE, Bioinformatics Unit of the I-CORE at the Hebrew University and Hadassah Medical Center, Jerusalem, Israel
| | - Hadar Benyamini
- Info-CORE, Bioinformatics Unit of the I-CORE at the Hebrew University and Hadassah Medical Center, Jerusalem, Israel
| | - Sharona Elgavish
- Info-CORE, Bioinformatics Unit of the I-CORE at the Hebrew University and Hadassah Medical Center, Jerusalem, Israel
| | - Areej AS Khatib
- Master of Biotechnology Department, Faculty of Science, Bethlehem University, Bethlehem, Palestine
| | - Karen Meir
- Department of Pathology, Hadassah–Hebrew University Medical Center, Jerusalem, Israel
| | - Karine Atlan
- Department of Pathology, Hadassah–Hebrew University Medical Center, Jerusalem, Israel
| | - Eli Pikarsky
- Department of Pathology, Hadassah–Hebrew University Medical Center, Jerusalem, Israel
| | - Oren Parnas
- The Concern Foundation Laboratories at the Lautenberg Center for Immunology and Cancer Research, IMRIC, Faculty of Medicine, Hebrew University–Hadassah Medical School, Jerusalem, Israel
| | - Yuval Dor
- Department of Developmental Biology and Cancer Research, Institute for Medical Research - Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Gideon Zamir
- Department of Surgery, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Ittai Ben-Porath
- Department of Developmental Biology and Cancer Research, Institute for Medical Research - Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Valery Krizhanovsky
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot, Israel
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20
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Zhao X, Tang W, Wang H, He H. Femtosecond-laser stimulation induces senescence of tumor cells in vitro and in vivo. BIOMEDICAL OPTICS EXPRESS 2022; 13:791-804. [PMID: 35284179 PMCID: PMC8884195 DOI: 10.1364/boe.449456] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/18/2021] [Accepted: 12/23/2021] [Indexed: 05/30/2023]
Abstract
Tumor cells present anti-apoptosis and abnormal proliferation during development. Senescence and stemness of tumor cells play key roles in tumor development and malignancy. In this study, we show the transient stimulation by a single-time scanning of tightly focused femtosecond laser to tumor cells can modulate the stemness and senescence in vitro and in vivo. The laser-induced cellular senescence and stemness present distinct transitions in vitro and in vivo. The cells 1.2 mm deep in tumor tissue are found with significant senescence induced by the transient photostimulations in 100-200 µm shallow layer in vivo, which suppresses the growth of whole tumor in living mice.
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21
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Raffaele M, Vinciguerra M. The costs and benefits of senotherapeutics for human health. THE LANCET. HEALTHY LONGEVITY 2022; 3:e67-e77. [PMID: 36098323 DOI: 10.1016/s2666-7568(21)00300-7] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/09/2021] [Accepted: 11/21/2021] [Indexed: 12/24/2022] Open
Abstract
Cellular senescence is a major contributor to age-related diseases in humans; however, it also has a beneficial role in physiological and pathological processes, including wound healing, host immunity, and tumour suppression. Reducing the burden of cell senescence in animal models of cardiometabolic disorders, inflammatory conditions, neurodegenerative diseases, and cancer using pharmaceutical approaches that selectively target senescent cells (ie, senolytics) or that suppress senescence-associated secretory phenotype (ie, senomorphics) holds great promise for the management of chronic age-associated conditions. Although studies have provided evidence that senolytics or senomorphics are effective at decreasing the number of senescent cells in humans, the short-term and long-term side-effects of these therapies are largely unknown. In this Review, we systematically discuss the senolytics and senomorphics that have been investigated in clinical trials or have been used off-label, presenting their various adverse effects. Despite the potential of senotherapeutics to transform anti-ageing medicine, a cautionary approach regarding unwanted dose-dependent side-effects should be adopted.
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Affiliation(s)
- Marco Raffaele
- International Clinical Research Center, St Anne's University Hospital, Brno, Czech Republic
| | - Manlio Vinciguerra
- International Clinical Research Center, St Anne's University Hospital, Brno, Czech Republic; Division of Medicine, University College London, London, UK; Research Institute of the Medical University of Varna, Varna, Bulgaria.
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22
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Boyajian JL, Ghebretatios M, Schaly S, Islam P, Prakash S. Microbiome and Human Aging: Probiotic and Prebiotic Potentials in Longevity, Skin Health and Cellular Senescence. Nutrients 2021; 13:nu13124550. [PMID: 34960102 PMCID: PMC8705837 DOI: 10.3390/nu13124550] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 02/07/2023] Open
Abstract
The role of the microbiome in human aging is important: the microbiome directly impacts aging through the gastrointestinal system. However, the microbial impact on skin has yet to be fully understood. For example, cellular senescence is an intrinsic aging process that has been recently associated with microbial imbalance. With age, cells become senescent in response to stress wherein they undergo irreversible growth arrest while maintaining high metabolic activity. An accumulation of senescent cells has been linked to various aging and chronic pathologies due to an overexpression of the senescence-associated secretory phenotype (SASP) comprised of proinflammatory cytokines, chemokines, growth factors, proteases, lipids and extracellular matrix components. In particular, dermatological disorders may be promoted by senescence as the skin is a common site of accumulation. The gut microbiota influences cellular senescence and skin disruption through the gut-skin axis and secretion of microbial metabolites. Metabolomics can be used to identify and quantify metabolites involved in senescence. Moreover, novel anti-senescent therapeutics are warranted given the poor safety profiles of current pharmaceutical drugs. Probiotics and prebiotics may be effective alternatives, considering the relationship between the microbiome and healthy aging. However, further research on gut composition under a senescent status is needed to develop immunomodulatory therapies.
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23
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Low E, Alimohammadiha G, Smith LA, Costello LF, Przyborski SA, von Zglinicki T, Miwa S. How good is the evidence that cellular senescence causes skin ageing? Ageing Res Rev 2021; 71:101456. [PMID: 34487917 PMCID: PMC8524668 DOI: 10.1016/j.arr.2021.101456] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/25/2021] [Accepted: 08/31/2021] [Indexed: 12/11/2022]
Abstract
Skin is the largest organ of the body with important protective functions, which become compromised with time due to both intrinsic and extrinsic ageing processes. Cellular senescence is the primary ageing process at cell level, associated with loss of proliferative capacity, mitochondrial dysfunction and significantly altered patterns of expression and secretion of bioactive molecules. Intervention experiments have proven cell senescence as a relevant cause of ageing in many organs. In case of skin, accumulation of senescence in all major compartments with ageing is well documented and might be responsible for most, if not all, the molecular changes observed during ageing. Incorporation of senescent cells into in-vitro skin models (specifically 3D full thickness models) recapitulates changes typically associated with skin ageing. However, crucial evidence is still missing. A beneficial effect of senescent cell ablation on skin ageing has so far only been shown following rather unspecific interventions or in transgenic mouse models. We conclude that evidence for cellular senescence as a relevant cause of intrinsic skin ageing is highly suggestive but not yet completely conclusive.
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Affiliation(s)
- Evon Low
- Ageing Biology Laboratories, Newcastle University Biosciences Institute, Newcastle University, Newcastle upon Tyne NE4 5PL, UK
| | - Ghazaleh Alimohammadiha
- Ageing Biology Laboratories, Newcastle University Biosciences Institute, Newcastle University, Newcastle upon Tyne NE4 5PL, UK
| | - Lucy A Smith
- Department of Biosciences, Durham University, South Road, Durham DH1 3LE, UK
| | - Lydia F Costello
- Department of Biosciences, Durham University, South Road, Durham DH1 3LE, UK
| | - Stefan A Przyborski
- Department of Biosciences, Durham University, South Road, Durham DH1 3LE, UK
| | - Thomas von Zglinicki
- Ageing Biology Laboratories, Newcastle University Biosciences Institute, Newcastle University, Newcastle upon Tyne NE4 5PL, UK.
| | - Satomi Miwa
- Ageing Biology Laboratories, Newcastle University Biosciences Institute, Newcastle University, Newcastle upon Tyne NE4 5PL, UK
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24
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Pils V, Ring N, Valdivieso K, Lämmermann I, Gruber F, Schosserer M, Grillari J, Ogrodnik M. Promises and challenges of senolytics in skin regeneration, pathology and ageing. Mech Ageing Dev 2021; 200:111588. [PMID: 34678388 DOI: 10.1016/j.mad.2021.111588] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 12/11/2022]
Abstract
The research of the last two decades has defined a crucial role of cellular senescence in both the physiology and pathology of skin, and senescent cells have been detected in conditions including development, regeneration, aging, and disease. The pathophysiology of cellular senescence in skin is complex as the phenotype of senescence pertains to several different cell types including fibroblasts, keratinocytes and melanocytes, among others. Paradoxically, the transient presence of senescent cells is believed to be beneficial in the context of development and wound healing, while the chronic presence of senescent cells is detrimental in the context of aging, diseases, and chronic wounds, which afflict predominantly the elderly. Identifying strategies to prevent senescence induction or reduce senescent burden in the skin could broadly benefit the aging population. Senolytics, drugs known to specifically eliminate senescent cells while preserving non-senescent cells, are being intensively studied for use in the clinical setting. Here, we review recent research on skin senescence, on the methods for the detection of senescent cells and describe promises and challenges related to the application of senolytic drugs. This article is part of the Special Issue - Senolytics - Edited by Joao Passos and Diana Jurk.
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Affiliation(s)
- Vera Pils
- Christian Doppler Laboratory for the Biotechnology of Skin Aging, Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria; Christian Doppler Laboratory for Skin Multimodal Imaging of Aging and Senescence - SKINMAGINE, Vienna, Austria; Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Nadja Ring
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, Vienna, Austria; Ludwig Boltzmann Institute for Experimental and Clinical Traumatology in AUVA Research Center, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Karla Valdivieso
- Christian Doppler Laboratory for the Biotechnology of Skin Aging, Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria; Ludwig Boltzmann Research Group Senescence and Healing of Wounds, Vienna, Austria; Ludwig Boltzmann Institute for Experimental and Clinical Traumatology in AUVA Research Center, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Ingo Lämmermann
- Christian Doppler Laboratory for the Biotechnology of Skin Aging, Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria; Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Florian Gruber
- Christian Doppler Laboratory for the Biotechnology of Skin Aging, Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria; Christian Doppler Laboratory for Skin Multimodal Imaging of Aging and Senescence - SKINMAGINE, Vienna, Austria; Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Markus Schosserer
- Christian Doppler Laboratory for Skin Multimodal Imaging of Aging and Senescence - SKINMAGINE, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria; Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Johannnes Grillari
- Christian Doppler Laboratory for the Biotechnology of Skin Aging, Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria; Ludwig Boltzmann Institute for Experimental and Clinical Traumatology in AUVA Research Center, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria; Institute of Molecular Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Mikolaj Ogrodnik
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, Vienna, Austria; Ludwig Boltzmann Institute for Experimental and Clinical Traumatology in AUVA Research Center, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria.
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25
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Prime SS, Cirillo N, Cheong SC, Prime MS, Parkinson EK. Targeting the genetic landscape of oral potentially malignant disorders has the potential as a preventative strategy in oral cancer. Cancer Lett 2021; 518:102-114. [PMID: 34139286 DOI: 10.1016/j.canlet.2021.05.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 05/19/2021] [Accepted: 05/24/2021] [Indexed: 12/12/2022]
Abstract
This study reviews the molecular landscape of oral potentially malignant disorders (OPMD). We examine the impact of tumour heterogeneity, the spectrum of driver mutations (TP53, CDKN2A, TERT, NOTCH1, AJUBA, PIK3CA, CASP8) and gene transcription on tumour progression. We comment on how some of these mutations impact cellular senescence, field cancerization and cancer stem cells. We propose that OPMD can be monitored more closely and more dynamically through the use of liquid biopsies using an appropriate biomarker of transformation. We describe new gene interactions through the use of a systems biology approach and we highlight some of the first studies to identify functional genes using CRISPR-Cas9 technology. We believe that this information has translational implications for the use of re-purposed existing drugs and/or new drug development. Further, we argue that the use of digital technology encompassing clinical and laboratory-based data will create relevant datasets for machine learning/artificial intelligence. We believe that therapeutic intervention at an early molecular premalignant stage should be an important preventative strategy to inhibit the development of oral squamous cell carcinoma and that this approach is applicable to other aerodigestive tract cancers.
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Affiliation(s)
- S S Prime
- Centre for Immunology and Regenerative Medicine, Institute of Dentistry, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, E1 4NS, UK.
| | - N Cirillo
- Melbourne Dental School, University of Melbourne, 720 Swanson Street, Carlton, Melbourne, Victoria, 3053, Australia.
| | - S C Cheong
- Head and Neck Cancer Research Team, Cancer Research Malaysia, 1 Jalan SS12/1A, Subang Jaya, Selangor, Malaysia.
| | - M S Prime
- Roche Diagnostics Information Solutions, Hoffman-La Roche Ltd., Grenzacherstrasse 124, 4070, Basel, Switzerland.
| | - E K Parkinson
- Centre for Immunology and Regenerative Medicine, Institute of Dentistry, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, E1 4NS, UK.
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26
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Holzscheck N, Falckenhayn C, Söhle J, Kristof B, Siegner R, Werner A, Schössow J, Jürgens C, Völzke H, Wenck H, Winnefeld M, Grönniger E, Kaderali L. Modeling transcriptomic age using knowledge-primed artificial neural networks. NPJ Aging Mech Dis 2021; 7:15. [PMID: 34075044 PMCID: PMC8169742 DOI: 10.1038/s41514-021-00068-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 04/26/2021] [Indexed: 02/04/2023] Open
Abstract
The development of 'age clocks', machine learning models predicting age from biological data, has been a major milestone in the search for reliable markers of biological age and has since become an invaluable tool in aging research. However, beyond their unquestionable utility, current clocks offer little insight into the molecular biological processes driving aging, and their inner workings often remain non-transparent. Here we propose a new type of age clock, one that couples predictivity with interpretability of the underlying biology, achieved through the incorporation of prior knowledge into the model design. The clock, an artificial neural network constructed according to well-described biological pathways, allows the prediction of age from gene expression data of skin tissue with high accuracy, while at the same time capturing and revealing aging states of the pathways driving the prediction. The model recapitulates known associations of aging gene knockdowns in simulation experiments and demonstrates its utility in deciphering the main pathways by which accelerated aging conditions such as Hutchinson-Gilford progeria syndrome, as well as pro-longevity interventions like caloric restriction, exert their effects.
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Affiliation(s)
- Nicholas Holzscheck
- grid.432589.10000 0001 2201 4639Front End Innovation, Beiersdorf AG, Hamburg, Germany ,grid.5603.0Institute for Bioinformatics, University Medicine Greifswald, Greifswald, Germany
| | - Cassandra Falckenhayn
- grid.432589.10000 0001 2201 4639Front End Innovation, Beiersdorf AG, Hamburg, Germany
| | - Jörn Söhle
- grid.432589.10000 0001 2201 4639Front End Innovation, Beiersdorf AG, Hamburg, Germany
| | - Boris Kristof
- grid.432589.10000 0001 2201 4639Front End Innovation, Beiersdorf AG, Hamburg, Germany
| | - Ralf Siegner
- grid.432589.10000 0001 2201 4639Front End Innovation, Beiersdorf AG, Hamburg, Germany
| | - André Werner
- grid.5603.0Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Janka Schössow
- grid.5603.0Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Clemens Jürgens
- grid.5603.0Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Henry Völzke
- grid.5603.0Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Horst Wenck
- grid.432589.10000 0001 2201 4639Front End Innovation, Beiersdorf AG, Hamburg, Germany
| | - Marc Winnefeld
- grid.432589.10000 0001 2201 4639Front End Innovation, Beiersdorf AG, Hamburg, Germany
| | - Elke Grönniger
- grid.432589.10000 0001 2201 4639Front End Innovation, Beiersdorf AG, Hamburg, Germany
| | - Lars Kaderali
- grid.5603.0Institute for Bioinformatics, University Medicine Greifswald, Greifswald, Germany
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27
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Kohli J, Wang B, Brandenburg SM, Basisty N, Evangelou K, Varela-Eirin M, Campisi J, Schilling B, Gorgoulis V, Demaria M. Algorithmic assessment of cellular senescence in experimental and clinical specimens. Nat Protoc 2021; 16:2471-2498. [PMID: 33911261 PMCID: PMC8710232 DOI: 10.1038/s41596-021-00505-5] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 01/19/2021] [Indexed: 02/02/2023]
Abstract
The development of genetic tools allowed for the validation of the pro-aging and pro-disease functions of senescent cells in vivo. These discoveries prompted the development of senotherapies-pharmaceutical interventions aimed at interfering with the detrimental effect of senescent cells-that are now entering the clinical stage. However, unequivocal identification and examination of cellular senescence remains highly difficult because of the lack of universal and specific markers. Here, to overcome the limitation of measuring individual markers, we describe a detailed two-phase algorithmic assessment to quantify various senescence-associated parameters in the same specimen. In the first phase, we combine the measurement of lysosomal and proliferative features with the expression of general senescence-associated genes to validate the presence of senescent cells. In the second phase we measure the levels of pro-inflammatory markers for specification of the type of senescence. The protocol can help graduate-level basic scientists to improve the characterization of senescence-associated phenotypes and the identification of specific senescent subtypes. Moreover, it can serve as an important tool for the clinical validation of the role of senescent cells and the effectiveness of anti-senescence therapies.
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Affiliation(s)
- J Kohli
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), University of Groningen (RUG), Groningen, the Netherlands
| | - B Wang
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), University of Groningen (RUG), Groningen, the Netherlands
| | - S M Brandenburg
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), University of Groningen (RUG), Groningen, the Netherlands
| | - N Basisty
- Buck Institute for Research on Aging, Novato, CA, USA
| | - K Evangelou
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - M Varela-Eirin
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), University of Groningen (RUG), Groningen, the Netherlands
| | - J Campisi
- Buck Institute for Research on Aging, Novato, CA, USA
| | - B Schilling
- Buck Institute for Research on Aging, Novato, CA, USA
| | - V Gorgoulis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
- Faculty Institute for Cancer Sciences, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, UK.
- Biomedical Research Foundation, Academy of Athens, Athens, Greece.
- Center for New Biotechnologies and Precision Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
| | - M Demaria
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), University of Groningen (RUG), Groningen, the Netherlands.
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28
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Gonzalez-Meljem JM, Martinez-Barbera JP. Adamantinomatous craniopharyngioma as a model to understand paracrine and senescence-induced tumourigenesis. Cell Mol Life Sci 2021; 78:4521-4544. [PMID: 34019103 PMCID: PMC8195904 DOI: 10.1007/s00018-021-03798-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 12/03/2020] [Accepted: 01/15/2021] [Indexed: 01/10/2023]
Abstract
Cellular senescence is a process that can prevent tumour development in a cell autonomous manner by imposing a stable cell cycle arrest after oncogene activation. Paradoxically, senescence can also promote tumour growth cell non-autonomously by creating a permissive tumour microenvironment that fuels tumour initiation, progression to malignancy and metastasis. In a pituitary tumour known as adamantinomatous craniopharyngioma (ACP), cells that carry oncogenic β-catenin mutations and overactivate the WNT signalling pathway form cell clusters that become senescent and activate a senescence-associated secretory phenotype (SASP). Research in mouse models of ACP has provided insights into the function of the senescent cell clusters and revealed a critical role for SASP-mediated activities in paracrine tumour initiation. In this review, we first discuss this research on ACP and subsequently explore the theme of paracrine tumourigenesis in other tumour models available in the literature. Evidence is accumulating supporting the notion that paracrine signalling brought about by senescent cells may underlie tumourigenesis across different tumours and cancer models.
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Affiliation(s)
| | - Juan Pedro Martinez-Barbera
- Developmental Biology and Cancer Research and Teaching Programme, Birth Defects Research Centre, UCL Great Ormond Street Institute of Child Health, London, UK.
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29
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Choi J, West CE, Roh YS, Sutaria N, Kwatra SG, Kwatra MM. Mouse models for actinic keratoses. J Pharmacol Toxicol Methods 2021; 110:107071. [PMID: 33933627 DOI: 10.1016/j.vascn.2021.107071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 04/24/2021] [Accepted: 04/27/2021] [Indexed: 11/30/2022]
Abstract
Actinic keratoses (AKs) represent a premalignant skin condition due to chronic sun damage that dramatically increases in prevalence in the aging population. Currently, animal models of AKs utilize photocarcinogenesis, chemical carcinogens, or targeted gene modulation, and each method possesses unique strengths and weaknesses. Models using photodamage most comprehensively describe methods for preferentially selecting AK lesions, while replicating the pathogenesis of AKs with greater fidelity than models utilizing other carcinogenic methods. The following review of current murine models of AKs will aid in the selection of mouse models appropriate for future in vivo studies to test the efficacy of novel therapeutic agents for the treatment of AKs.
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Affiliation(s)
- Justin Choi
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | | | - Youkyung S Roh
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Nishadh Sutaria
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Shawn G Kwatra
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA.
| | - Madan M Kwatra
- Department of Anesthesiology, Duke University School of Medicine, Durham, NC 27710, USA
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30
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Budden T, Gaudy-Marqueste C, Craig S, Hu Y, Earnshaw CH, Gurung S, Ra A, Akhras V, Shenjere P, Green R, Jamieson L, Lear J, Motta L, Caulín C, Oudit D, Furney SJ, Virós A. Female Immunity Protects from Cutaneous Squamous Cell Carcinoma. Clin Cancer Res 2021; 27:3215-3223. [PMID: 33795258 DOI: 10.1158/1078-0432.ccr-20-4261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 02/08/2021] [Accepted: 03/25/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE Cancer susceptibility and mortality are higher in males, and the mutational and transcriptomic landscape of cancer differs by sex. The current assumption is that men are at higher risk of epithelial cancers as they expose more to carcinogens and accumulate more damage than women. We present data showing women present with less aggressive primary cutaneous squamous cell carcinoma (cSCC) and early strong immune activation. EXPERIMENTAL DESIGN We explored clinical and molecular sexual disparity in immunocompetent and immunosuppressed patients with primary cSCC (N = 738, N = 160), advanced-stage cSCC (N = 63, N = 20) and FVB/N mice exposed to equal doses of DMBA, as well as in human keratinocytes by whole-exome, bulk, and single-cell RNA sequencing. RESULTS We show cSCC is more aggressive in men, and immunocompetent women develop mild cSCC, later in life. To test whether sex drives disparity, we exposed male and female mice to equal doses of carcinogen, and found males present with more aggressive, metastatic cSCC than females. Critically, females activate cancer immune-related expression pathways and CD4 and CD8 T-cell infiltration independently of mutations, a response that is absent in prednisolone-treated animals. In contrast, males increase the rate of mitosis and proliferation in response to carcinogen. Women's skin and keratinocytes also activate immune-cancer fighting pathways and immune cells at UV radiation-damaged sites. Critically, a compromised immune system leads to high-risk, aggressive cSCC specifically in women. CONCLUSIONS This work shows the immune response is sex biased in cSCC and highlights female immunity offers greater protection than male immunity.
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Affiliation(s)
- Timothy Budden
- Skin Cancer and Ageing Lab, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, United Kingdom.,NIHR Manchester Biomedical Research Centre, Manchester, United Kingdom
| | - Caroline Gaudy-Marqueste
- APHM, CRCM Inserm U1068, CNRS U7258, CHU Timone, Department of Dermatology and Skin Cancer, Aix-Marseille Univesrity, Marseille, France
| | - Sarah Craig
- Skin Cancer and Ageing Lab, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, United Kingdom.,NIHR Manchester Biomedical Research Centre, Manchester, United Kingdom
| | - Yuan Hu
- Department of Otolaryngology, Head and Neck Surgery, University of Arizona, Tucson, Arizona.,University of Arizona Cancer Center, University of Arizona, Tucson, Arizona.,Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Charles H Earnshaw
- Skin Cancer and Ageing Lab, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, United Kingdom.,NIHR Manchester Biomedical Research Centre, Manchester, United Kingdom
| | - Shilpa Gurung
- Skin Cancer and Ageing Lab, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, United Kingdom.,NIHR Manchester Biomedical Research Centre, Manchester, United Kingdom
| | - Amelle Ra
- Department of Dermatology, St. George's NHS Foundation Trust, London, United Kingdom
| | - Victoria Akhras
- Department of Dermatology, St. George's NHS Foundation Trust, London, United Kingdom
| | - Patrick Shenjere
- Department of Histopathology, The Christie Hospital NHS Foundation Trust, Manchester, United Kingdom
| | - Ruth Green
- Department of Histopathology, Salford Royal NHS Foundation Trust, The University of Manchester, Manchester, United Kingdom
| | - Lynne Jamieson
- Department of Histopathology, Salford Royal NHS Foundation Trust, The University of Manchester, Manchester, United Kingdom
| | - John Lear
- Department of Dermatology, Salford Royal NHS Foundation Trust, The University of Manchester, Manchester, United Kingdom
| | - Luisa Motta
- Department of Histopathology, Salford Royal NHS Foundation Trust, The University of Manchester, Manchester, United Kingdom
| | - Carlos Caulín
- Department of Otolaryngology, Head and Neck Surgery, University of Arizona, Tucson, Arizona.,University of Arizona Cancer Center, University of Arizona, Tucson, Arizona
| | - Deemesh Oudit
- Department of Plastic and Reconstructive Surgery, The Christie Hospital NHS Foundation Trust, Manchester, United Kingdom
| | - Simon J Furney
- Genomic Oncology Research Group, Department of Physiology and Medical Physics, Royal College of Surgeons, Dublin, Ireland.,Centre for Systems Medicine, Royal College of Surgeons, Dublin, Ireland
| | - Amaya Virós
- Skin Cancer and Ageing Lab, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, United Kingdom. .,NIHR Manchester Biomedical Research Centre, Manchester, United Kingdom.,Department of Dermatology, Salford Royal NHS Foundation Trust, The University of Manchester, Manchester, United Kingdom
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31
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Georgakopoulou EA, Valsamidi C, Veroutis D, Havaki S. The bright and dark side of skin senescence. Could skin rejuvenation anti-senescence interventions become a "bright" new strategy for the prevention of age-related skin pathologies? Mech Ageing Dev 2020; 193:111409. [PMID: 33249190 DOI: 10.1016/j.mad.2020.111409] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 10/17/2020] [Accepted: 11/20/2020] [Indexed: 01/10/2023]
Abstract
The number of senescent cells in the skin is increasing with age. Numerous studies have attempted to elucidate the role of these cells in normal aging of the skin as well as in age-related skin conditions. In recent years, attempts have also been made to find treatments that aim either to cleanse the skin tissues of senescent cells or to neutralize their effects (referred to as senolytics and senomorphics respectively) and thus prevent the consequences, particularly on the skin's appearance in advanced age. Through this review, we have tried to gather data on the role of senescent cells in the skin, in treatments aimed at removing them, and we are asking a reasonable question as to whether anti-senescence treatments may contribute to the protection against age-related skin pathologies, including skin cancer, such as non-melanoma skin cancer, in addition to their involvement in skin rejuvenation.
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Affiliation(s)
- Eleni A Georgakopoulou
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Str., 11527 Athens, Greece
| | - Christina Valsamidi
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Str., 11527 Athens, Greece
| | - Dimitrios Veroutis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Str., 11527 Athens, Greece
| | - Sophia Havaki
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Str., 11527 Athens, Greece.
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32
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Azazmeh N, Ben-Porath I. Stimulation of epidermal hyperplasia and tumorigenesis by resident p16 INK4a-expressing cells. Mol Cell Oncol 2020; 7:1819752. [PMID: 33235916 PMCID: PMC7671025 DOI: 10.1080/23723556.2020.1819752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
p16INK4a (CDKN2A) is a central tumor-suppressor and activator of senescence. We recently found that prolonged expression of p16INK4a in epidermal cells induces hyperplasia and dysplasia through Wnt-mediated stimulation of neighboring keratinocytes. The study suggests a pro-tumorigenic function of p16INK4a in early epidermal lesions, which could potentially be targeted by senolytic therapy.
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Affiliation(s)
- Narmen Azazmeh
- Department of Developmental Biology and Cancer Research, Institute for Medical Research - Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Ittai Ben-Porath
- Department of Developmental Biology and Cancer Research, Institute for Medical Research - Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
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