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Zhao J, Wang Z, Tian Y, Ning J, Ye H. T cell exhaustion and senescence for ovarian cancer immunotherapy. Semin Cancer Biol 2024:S1044-579X(24)00046-4. [PMID: 39032717 DOI: 10.1016/j.semcancer.2024.07.001] [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: 05/16/2024] [Revised: 06/30/2024] [Accepted: 07/09/2024] [Indexed: 07/23/2024]
Abstract
Ovarian cancer is a common gynecological malignancy, and its treatment remains challenging. Although ovarian cancer may respond to immunotherapy because of endogenous immunity at the molecular or T cell level, immunotherapy has so far not had the desired effect. The functional status of preexisting T cells is an indispensable determinant of powerful antitumor immunity and immunotherapy. T cell exhaustion and senescence are two crucial states of T cell dysfunction, which share some overlapping phenotypic and functional features, but each status possesses unique molecular and developmental signatures. It has been widely accepted that exhaustion and senescence of T cells are important strategies for cancer cells to evade immunosurveillance and maintain the immunosuppressive microenvironment. Herein, this review summarizes the phenotypic and functional features of exhaust and senescent T cells, and describes the key drivers of the two T cell dysfunctional states in the tumor microenvironment and their functional roles in ovarian cancer. Furthermore, we present a summary of the molecular machinery and signaling pathways governing T cell exhaustion and senescence. Possible strategies that can prevent and/or reverse T cell dysfunction are also explored. An in-depth understanding of exhausted and senescent T cells will provide novel strategies to enhance immunotherapy of ovarian cancer through redirecting tumor-specific T cells away from a dysfunctional developmental trajectory.
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Affiliation(s)
- Jiao Zhao
- Department of Gynecology Surgery 3, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute, Shenyang 110042, Liaoning, China
| | - Zhongmiao Wang
- Department of Digestive Diseases 1, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute, Shenyang 110042, Liaoning, China
| | - Yingying Tian
- Department of Oncology Radiotherapy 2, Qingdao Central Hospital, University of Health and Rehabilitation Sciences, Qingdao 266042, Shandong, China
| | - Jing Ning
- Department of General Internal Medicine (VIP Ward), Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute, Shenyang 110042, Liaoning, China.
| | - Huinan Ye
- Department of Digestive Diseases 1, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute, Shenyang 110042, Liaoning, China.
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Yin Q, Tang TT, Lu XY, Ni WJ, Yin D, Zhang YL, Jiang W, Zhang Y, Li ZL, Wen Y, Gan WH, Zhang AQ, Lv LL, Wang B, Liu BC. Macrophage-derived exosomes promote telomere fragility and senescence in tubular epithelial cells by delivering miR-155. Cell Commun Signal 2024; 22:357. [PMID: 38987851 PMCID: PMC11238407 DOI: 10.1186/s12964-024-01708-5] [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: 02/08/2024] [Accepted: 06/08/2024] [Indexed: 07/12/2024] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) is highly prevalent worldwide, and its global burden is substantial and growing. CKD displays a number of features of accelerated senescence. Tubular cell senescence is a common biological process that contributes to CKD progression. Tubulointerstitial inflammation is a driver of tubular cell senescence and a common characteristic of CKD. However, the mechanism by which the interstitial inflammation drives tubular cell senescence remains unclear. This paper aims to explore the role of exosomal miRNAs derived from macrophages in the development of tubular cell senescence. METHODS Among the identified inflammation-related miRNAs, miR-155 is considered to be one of the most important miRNAs involved in the inflammatory response. Macrophages, the primary immune cells that mediate inflammatory processes, contain a high abundance of miR-155 in their released exosomes. We assessed the potential role of miR-155 in tubular cell senescence and renal fibrosis. We subjected miR-155-/- mice and wild-type controls, as well as tubular epithelial cells (TECs), to angiotensin II (AngII)-induced kidney injury. We assessed kidney function and injury using standard techniques. TECs were evaluated for cell senescence and telomere dysfunction in vivo and in vitro. Telomeres were measured by the fluorescence in situ hybridization. RESULTS Compared with normal controls, miR-155 was up-regulated in proximal renal tubule cells in CKD patients and mouse models of CKD. Moreover, the expression of miR-155 was positively correlated with the extent of renal fibrosis, eGFR decline and p16INK4A expression. The overexpression of miR-155 exacerbated tubular senescence, evidenced by increased detection of p16INK4A/p21expression and senescence-associated β-galactosidase activity. Notably, miR-155 knockout attenuates renal fibrosis and tubule cell senescence in vivo. Interestingly, once released, macrophages-derived exosomal miR-155 was internalized by TECs, leading to telomere shortening and dysfunction through targeting TRF1. A dual-luciferase reporter assay confirmed that TRF1 was the direct target of miR-155. Thus, our study clearly demonstrates that exosomal miR-155 may mediate communication between macrophages and TECs, subsequently inducing telomere dysfunction and senescence in TECs. CONCLUSIONS Our work suggests a new mechanism by which macrophage exosomes are involved in the development of tubule senescence and renal fibrosis, in part by delivering miR-155 to target TRF1 to promote telomere dysfunction. Our study may provide novel strategies for the treatment of AngII-induced kidney injury.
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Affiliation(s)
- Qing Yin
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China
| | - Tao-Tao Tang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China
| | - Xiao-Yu Lu
- Department of Pediatric Nephrology, Affiliated Maternity and Child Health Care Hospital of Nantong University, Nantong, Jiangsu, China
| | - Wei-Jie Ni
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China
| | - Di Yin
- Department of Nephrology, Taixing People's Hospital, Taixing, Jiangsu, China
| | - Yi-Lin Zhang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China
| | - Wei Jiang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China
| | - Yue Zhang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China
| | - Zuo-Lin Li
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China
| | - Yi Wen
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China
| | - Wei-Hua Gan
- Department of Pediatric Nephrology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Ai-Qing Zhang
- Department of Pediatric Nephrology, The Fourth Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Lin-Li Lv
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China
| | - Bin Wang
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China.
| | - Bi-Cheng Liu
- Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, No. 87, Dingjiaqiao Road, Nanjing, Jiangsu, China.
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Feng Y, He C, Liu C, Shao B, Wang D, Wu P. Exploring the Complexity and Promise of Tumor Immunotherapy in Drug Development. Int J Mol Sci 2024; 25:6444. [PMID: 38928150 PMCID: PMC11204037 DOI: 10.3390/ijms25126444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/06/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Cancer represents a significant threat to human health, and traditional chemotherapy or cytotoxic therapy is no longer the sole or preferred approach for managing malignant tumors. With advanced research into the immunogenicity of tumor cells and the growing elderly population, tumor immunotherapy has emerged as a prominent therapeutic option. Its significance in treating elderly cancer patients is increasingly recognized. In this study, we review the conceptual classifications and benefits of immunotherapy, and discuss recent developments in new drugs and clinical progress in cancer treatment through various immunotherapeutic modalities with different mechanisms. Additionally, we explore the impact of immunosenescence on the effectiveness of cancer immunotherapy and propose innovative and effective strategies to rejuvenate senescent T cells.
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Affiliation(s)
| | | | | | | | - Dong Wang
- School of Basic Medical Sciences and State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; (Y.F.); (C.H.); (C.L.); (B.S.)
| | - Peijie Wu
- School of Basic Medical Sciences and State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; (Y.F.); (C.H.); (C.L.); (B.S.)
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4
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Mori JO, Platz EA, Lu J, Brame A, Han M, Joshu CE, De Marzo AM, Meeker AK, Heaphy CM. Longer prostate stromal cell telomere length is associated with increased risk of death from other cancers. Front Med (Lausanne) 2024; 11:1390769. [PMID: 38895181 PMCID: PMC11184561 DOI: 10.3389/fmed.2024.1390769] [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: 02/23/2024] [Accepted: 05/13/2024] [Indexed: 06/21/2024] Open
Abstract
Background Telomeres are located at chromosomal termini and function to maintain genomic integrity. Telomere dysfunction is a well-recognized contributor to aging and age-related diseases, such as prostate cancer. Since telomere length is highly heritable, we postulate that stromal cell telomere length in the tissue of a particular solid organ may generally reflect constitutive stromal cell telomere length in other solid organs throughout the body. Even with telomere loss occurring with each round of cell replication, in general, telomere length in prostate stromal cells in mid-life would still be correlated with the telomere length in stromal cells in other organs. Thus, we hypothesize that prostate stromal cell telomere length and/or telomere length variability is a potential indicator of the likelihood of developing future solid cancers, beyond prostate cancer, and especially lethal cancer. Methods To explore this hypothesis, we conducted a cohort study analysis of 1,175 men who were surgically treated for prostate cancer and were followed for death, including from causes other than their prostate cancer. Results In this cohort study with a median follow-up of 19 years, we observed that longer prostate stromal cell telomere length measured in tissue microarray spots containing prostate cancer was associated with an increased risk of death from other solid cancers. Variability in telomere length among these prostate stromal cells was possibly positively associated with risk of death from other solid cancers. Conclusion Studying the link between stromal cell telomere length and cancer mortality may be important for guiding the development of cancer interception and prevention strategies.
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Affiliation(s)
- Joakin O. Mori
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine and Boston Medical Center, Boston, MA, United States
| | - Elizabeth A. Platz
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, United States
- James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Jiayun Lu
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, United States
| | - Alexandria Brame
- James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Misop Han
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, United States
- James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Corinne E. Joshu
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, United States
| | - Angelo M. De Marzo
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, United States
- James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Alan K. Meeker
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, United States
- James Buchanan Brady Urological Institute, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Christopher M. Heaphy
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine and Boston Medical Center, Boston, MA, United States
- Department of Pathology and Laboratory, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, United States
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Arellano MYG, VanHeest M, Emmadi S, Abdul-Hafez A, Ibrahim SA, Thiruvenkataramani RP, Teleb RS, Omar H, Kesaraju T, Mohamed T, Madhukar BV, Omar SA. Role of Mesenchymal Stem/Stromal Cells (MSCs) and MSC-Derived Extracellular Vesicles (EVs) in Prevention of Telomere Length Shortening, Cellular Senescence, and Accelerated Biological Aging. Bioengineering (Basel) 2024; 11:524. [PMID: 38927760 PMCID: PMC11200821 DOI: 10.3390/bioengineering11060524] [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: 03/19/2024] [Revised: 05/11/2024] [Accepted: 05/13/2024] [Indexed: 06/28/2024] Open
Abstract
Biological aging is defined as a progressive decline in tissue function that eventually results in cell death. Accelerated biologic aging results when the telomere length is shortened prematurely secondary to damage from biological or environmental stressors, leading to a defective reparative mechanism. Stem cells therapy may have a potential role in influencing (counteract/ameliorate) biological aging and maintaining the function of the organism. Mesenchymal stem cells, also called mesenchymal stromal cells (MSCs) are multipotent stem cells of mesodermal origin that can differentiate into other types of cells, such as adipocytes, chondrocytes, and osteocytes. MSCs influence resident cells through the secretion of paracrine bioactive components such as cytokines and extracellular vesicles (EVs). This review examines the changes in telomere length, cellular senescence, and normal biological age, as well as the factors contributing to telomere shortening and accelerated biological aging. The role of MSCs-especially those derived from gestational tissues-in prevention of telomere shortening (TS) and accelerated biological aging is explored. In addition, the strategies to prevent MSC senescence and improve the antiaging therapeutic application of MSCs and MSC-derived EVs in influencing telomere length and cellular senescence are reviewed.
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Affiliation(s)
- Myrna Y. Gonzalez Arellano
- Division of Neonatology, Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.Y.G.A.); (A.A.-H.); (S.A.I.); (R.P.T.); (R.S.T.); (H.O.); (T.K.); (T.M.); (B.V.M.)
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.V.); (S.E.)
- Regional Neonatal Intensive Care Unit, Sparrow Hospital, Lansing, MI 48912, USA
| | - Matthew VanHeest
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.V.); (S.E.)
| | - Sravya Emmadi
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.V.); (S.E.)
| | - Amal Abdul-Hafez
- Division of Neonatology, Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.Y.G.A.); (A.A.-H.); (S.A.I.); (R.P.T.); (R.S.T.); (H.O.); (T.K.); (T.M.); (B.V.M.)
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.V.); (S.E.)
| | - Sherif Abdelfattah Ibrahim
- Division of Neonatology, Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.Y.G.A.); (A.A.-H.); (S.A.I.); (R.P.T.); (R.S.T.); (H.O.); (T.K.); (T.M.); (B.V.M.)
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.V.); (S.E.)
- Histology and Cell Biology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Ranga P. Thiruvenkataramani
- Division of Neonatology, Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.Y.G.A.); (A.A.-H.); (S.A.I.); (R.P.T.); (R.S.T.); (H.O.); (T.K.); (T.M.); (B.V.M.)
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.V.); (S.E.)
- Regional Neonatal Intensive Care Unit, Sparrow Hospital, Lansing, MI 48912, USA
| | - Rasha S. Teleb
- Division of Neonatology, Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.Y.G.A.); (A.A.-H.); (S.A.I.); (R.P.T.); (R.S.T.); (H.O.); (T.K.); (T.M.); (B.V.M.)
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.V.); (S.E.)
- Department of Pediatrics and Neonatology, Qena Faculty of Medicine, South Valley University, Qena 83523, Egypt
| | - Hady Omar
- Division of Neonatology, Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.Y.G.A.); (A.A.-H.); (S.A.I.); (R.P.T.); (R.S.T.); (H.O.); (T.K.); (T.M.); (B.V.M.)
| | - Tulasi Kesaraju
- Division of Neonatology, Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.Y.G.A.); (A.A.-H.); (S.A.I.); (R.P.T.); (R.S.T.); (H.O.); (T.K.); (T.M.); (B.V.M.)
| | - Tarek Mohamed
- Division of Neonatology, Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.Y.G.A.); (A.A.-H.); (S.A.I.); (R.P.T.); (R.S.T.); (H.O.); (T.K.); (T.M.); (B.V.M.)
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.V.); (S.E.)
- Regional Neonatal Intensive Care Unit, Sparrow Hospital, Lansing, MI 48912, USA
| | - Burra V. Madhukar
- Division of Neonatology, Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.Y.G.A.); (A.A.-H.); (S.A.I.); (R.P.T.); (R.S.T.); (H.O.); (T.K.); (T.M.); (B.V.M.)
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.V.); (S.E.)
| | - Said A. Omar
- Division of Neonatology, Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.Y.G.A.); (A.A.-H.); (S.A.I.); (R.P.T.); (R.S.T.); (H.O.); (T.K.); (T.M.); (B.V.M.)
- College of Human Medicine, Michigan State University, East Lansing, MI 48824, USA; (M.V.); (S.E.)
- Regional Neonatal Intensive Care Unit, Sparrow Hospital, Lansing, MI 48912, USA
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Zhang Y, Ding N, Li Y, Ouyang M, Fu P, Peng Y, Tan Y. Transcription factor FOXM1 specifies chromatin DNA to extracellular vesicles. Autophagy 2024; 20:1054-1071. [PMID: 37974331 PMCID: PMC11135825 DOI: 10.1080/15548627.2023.2284523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 11/10/2023] [Indexed: 11/19/2023] Open
Abstract
Extracellular vesicle DNAs (evDNAs) hold significant diagnostic value for various diseases and facilitate transcellular transfer of genetic material. Our study identifies transcription factor FOXM1 as a mediator for directing chromatin genes or DNA fragments (termed FOXM1-chDNAs) to extracellular vesicles (EVs). FOXM1 binds to MAP1LC3/LC3 in the nucleus, and FOXM1-chDNAs, such as the DUX4 gene and telomere DNA, are designated by FOXM1 binding and translocated to the cytoplasm before being released to EVs through the secretory autophagy during lysosome inhibition (SALI) process involving LC3. Disrupting FOXM1 expression or the SALI process impairs FOXM1-chDNAs incorporation into EVs. FOXM1-chDNAs can be transmitted to recipient cells via EVs and expressed in recipient cells when they carry functional genes. This finding provides an example of how chromatin DNA fragments are specified to EVs by transcription factor FOXM1, revealing its contribution to the formation of evDNAs from nuclear chromatin. It provides a basis for further exploration of the roles of evDNAs in biological processes, such as horizontal gene transfer.Abbreviation: ATG5: autophagy related 5; CCFs: cytoplasmic chromatin fragments; ChIP: chromatin immunoprecipitation; cytoDNA: cytoplasmic DNA; CQ: chloroquine; FOXM1-DBD: FOXM1 DNA binding domain; DUX4:double homeobox 4; EVs: extracellular vesicles; evDNAs: extracellular vesicle DNAs; FOXM1: forkhead box M1; FOXM1-chDNAs: chromatin DNA fragments directed by FOXM1 to EVs; HGT: horizontal gene transfer; LC3-II: lipid modified LC3; LMNB1: lamin B1; LIR: LC3-interacting region; MAP1LC3/LC3: microtubule associated protein 1 light chain 3; MVBs: multivesicular bodies; M1-binding DNA: a linear DNA containing 72× FOXM1 binding sites; SALI: secretory autophagy during lysosome inhibition; siRNA: small interfering RNA; TetO-DUX4: TetO array-containing DUX4 DNA; TetO: tet operator; TetR: tet repressor.
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Affiliation(s)
- Yunsheng Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan Engineering Research Center for Anticancer Targeted Protein Pharmaceuticals, Hunan University, Changsha, Hunan, PR China
- The Second Affiliated Hospital, University of South China, Hengyang, Hunan, PR China
| | - Nana Ding
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan Engineering Research Center for Anticancer Targeted Protein Pharmaceuticals, Hunan University, Changsha, Hunan, PR China
| | - Yizhen Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan Engineering Research Center for Anticancer Targeted Protein Pharmaceuticals, Hunan University, Changsha, Hunan, PR China
| | - Min Ouyang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan Engineering Research Center for Anticancer Targeted Protein Pharmaceuticals, Hunan University, Changsha, Hunan, PR China
| | - Ping Fu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan Engineering Research Center for Anticancer Targeted Protein Pharmaceuticals, Hunan University, Changsha, Hunan, PR China
| | - Yousong Peng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan Engineering Research Center for Anticancer Targeted Protein Pharmaceuticals, Hunan University, Changsha, Hunan, PR China
| | - Yongjun Tan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, Hunan Engineering Research Center for Anticancer Targeted Protein Pharmaceuticals, Hunan University, Changsha, Hunan, PR China
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7
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Arvanitaki ES, Goulielmaki E, Gkirtzimanaki K, Niotis G, Tsakani E, Nenedaki E, Rouska I, Kefalogianni M, Xydias D, Kalafatakis I, Psilodimitrakopoulos S, Karagogeos D, Schumacher B, Stratakis E, Garinis GA. Microglia-derived extracellular vesicles trigger age-related neurodegeneration upon DNA damage. Proc Natl Acad Sci U S A 2024; 121:e2317402121. [PMID: 38635632 PMCID: PMC11047102 DOI: 10.1073/pnas.2317402121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 03/22/2024] [Indexed: 04/20/2024] Open
Abstract
DNA damage and neurodegenerative disorders are intimately linked but the underlying mechanism remains elusive. Here, we show that persistent DNA lesions in tissue-resident macrophages carrying an XPF-ERCC1 DNA repair defect trigger neuroinflammation and neuronal cell death in mice. We find that microglia accumulate dsDNAs and chromatin fragments in the cytosol, which are sensed thereby stimulating a viral-like immune response in Er1Cx/- and naturally aged murine brain. Cytosolic DNAs are packaged into extracellular vesicles (EVs) that are released from microglia and discharge their dsDNA cargo into IFN-responsive neurons triggering cell death. To remove cytosolic dsDNAs and prevent inflammation, we developed targeting EVs to deliver recombinant DNase I to Er1Cx/- brain microglia in vivo. We show that EV-mediated elimination of cytosolic dsDNAs is sufficient to prevent neuroinflammation, reduce neuronal apoptosis, and delay the onset of neurodegenerative symptoms in Er1Cx/- mice. Together, our findings unveil a causal mechanism leading to neuroinflammation and provide a rationalized therapeutic strategy against age-related neurodegeneration.
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Affiliation(s)
- Ermioni S. Arvanitaki
- Department of Biology, University of Crete, HeraklionGR71409, Crete, Greece
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, HeraklionGR70013, Crete, Greece
| | - Evi Goulielmaki
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, HeraklionGR70013, Crete, Greece
| | - Katerina Gkirtzimanaki
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, HeraklionGR70013, Crete, Greece
| | - George Niotis
- Department of Biology, University of Crete, HeraklionGR71409, Crete, Greece
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, HeraklionGR70013, Crete, Greece
| | - Edisona Tsakani
- Department of Biology, University of Crete, HeraklionGR71409, Crete, Greece
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, HeraklionGR70013, Crete, Greece
| | - Electra Nenedaki
- Department of Biology, University of Crete, HeraklionGR71409, Crete, Greece
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, HeraklionGR70013, Crete, Greece
| | - Iliana Rouska
- Department of Biology, University of Crete, HeraklionGR71409, Crete, Greece
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, HeraklionGR70013, Crete, Greece
| | - Mary Kefalogianni
- Department of Physics, University of Crete, HeraklionGR71003, Crete, Greece
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, HeraklionGR71110, Crete, Greece
| | - Dionysios Xydias
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, HeraklionGR71110, Crete, Greece
- Materials Science and Technology Department, University of Crete, HeraklionGR70013, Crete, Greece
| | - Ilias Kalafatakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, HeraklionGR70013, Crete, Greece
- Medical School, Division of Basic Sciences, University of Crete, HeraklionGR71003, Crete, Greece
| | - Sotiris Psilodimitrakopoulos
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, HeraklionGR71110, Crete, Greece
| | - Domna Karagogeos
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, HeraklionGR70013, Crete, Greece
- Medical School, Division of Basic Sciences, University of Crete, HeraklionGR71003, Crete, Greece
| | - Björn Schumacher
- Institute for Genome Stability in Ageing and Disease, Medical Faculty, University and University Hospital of Cologne, Cologne50931, Germany
- Cologne Excellence Cluster for Cellular Stress Responses in Ageing-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne50931, Germany
| | - Emmanuel Stratakis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, HeraklionGR71110, Crete, Greece
| | - George A. Garinis
- Department of Biology, University of Crete, HeraklionGR71409, Crete, Greece
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, HeraklionGR70013, Crete, Greece
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8
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Hou Y, Chen M, Bian Y, Hu Y, Chuan J, Zhong L, Zhu Y, Tong R. Insights into vaccines for elderly individuals: from the impacts of immunosenescence to delivery strategies. NPJ Vaccines 2024; 9:77. [PMID: 38600250 PMCID: PMC11006855 DOI: 10.1038/s41541-024-00874-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 03/28/2024] [Indexed: 04/12/2024] Open
Abstract
Immunosenescence increases the risk and severity of diseases in elderly individuals and leads to impaired vaccine-induced immunity. With aging of the global population and the emerging risk of epidemics, developing adjuvants and vaccines for elderly individuals to improve their immune protection is pivotal for healthy aging worldwide. Deepening our understanding of the role of immunosenescence in vaccine efficacy could accelerate research focused on optimizing vaccine delivery for elderly individuals. In this review, we analyzed the characteristics of immunosenescence at the cellular and molecular levels. Strategies to improve vaccination potency in elderly individuals are summarized, including increasing the antigen dose, preparing multivalent antigen vaccines, adding appropriate adjuvants, inhibiting chronic inflammation, and inhibiting immunosenescence. We hope that this review can provide a review of new findings with regards to the impacts of immunosenescence on vaccine-mediated protection and inspire the development of individualized vaccines for elderly individuals.
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Affiliation(s)
- Yingying Hou
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Min Chen
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Yuan Bian
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Yuan Hu
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Junlan Chuan
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Lei Zhong
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
| | - Yuxuan Zhu
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
| | - Rongsheng Tong
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
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9
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Chebly A, Khalil C, Kuzyk A, Beylot-Barry M, Chevret E. T-cell lymphocytes' aging clock: telomeres, telomerase and aging. Biogerontology 2024; 25:279-288. [PMID: 37917220 DOI: 10.1007/s10522-023-10075-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 10/13/2023] [Indexed: 11/04/2023]
Abstract
Aging is the decline of physiological capabilities required for life maintenance and reproduction over time. The human immune cells, including T-cells lymphocytes, undergo dramatic aging-related changes, including those related to telomeres and telomerase. It was demonstrated that telomeres and telomerase play crucial roles in T-cell differentiation, aging, and diseases, including a well-documented link between short telomeres and telomerase activation demonstrated in several T-cells malignancies. Herein, we provide a comprehensive review of the literature regarding T-cells' telomeres and telomerase in health and age related-diseases.
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Affiliation(s)
- Alain Chebly
- Jacques Loiselet Center for Medical Genetics and Genomics (CGGM), Faculty of Medicine, Saint Joseph University, Beirut, Lebanon.
- Higher Institute of Public Health, Saint Joseph University, Beirut, Lebanon.
| | - Charbel Khalil
- Reviva Stem Cell Platform for Research and Applications Center, Bsalim, Lebanon
- Bone Marrow Transplant Unit, Burjeel Medical City, Abu Dhabi, United Arab Emirates
- Lebanese American University School of Medicine, Beirut, Lebanon
| | - Alexandra Kuzyk
- Division of Dermatology, Department of Internal Medicine, University of Calgary, Calgary, AB, Canada
| | - Marie Beylot-Barry
- Dermatology Department, Bordeaux University Hospital, Bordeaux, France
- Univ. Bordeaux, INSERM, BRIC, U1312, 33000, Bordeaux, France
| | - Edith Chevret
- Univ. Bordeaux, INSERM, BRIC, U1312, 33000, Bordeaux, France
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10
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Yu PJ, Zhou M, Liu Y, Du J. Senescent T Cells in Age-Related Diseases. Aging Dis 2024:AD.2024.0219. [PMID: 38502582 DOI: 10.14336/ad.2024.0219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 02/18/2024] [Indexed: 03/21/2024] Open
Abstract
Age-induced alterations in human immunity are often considered deleterious and are referred to as immunosenescence. The immune system monitors the number of senescent cells in the body, while immunosenescence may represent the initiation of systemic aging. Immune cells, particularly T cells, are the most impacted and involved in age-related immune function deterioration, making older individuals more prone to different age-related diseases. T-cell senescence can impact the effectiveness of immunotherapies that rely on the immune system's function, including vaccines and adoptive T-cell therapies. The research and practice of using senescent T cells as therapeutic targets to intervene in age-related diseases are in their nascent stages. Therefore, in this review, we summarize recent related literature to investigate the characteristics of senescent T cells as well as their formation mechanisms, relationship with various aging-related diseases, and means of intervention. The primary objective of this article is to explore the prospects and possibilities of therapeutically targeting senescent T cells, serving as a valuable resource for the development of immunotherapy and treatment of age-related diseases.
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11
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Winzer R, Nguyen DH, Schoppmeier F, Cortesi F, Gagliani N, Tolosa E. Purinergic enzymes on extracellular vesicles: immune modulation on the go. Front Immunol 2024; 15:1362996. [PMID: 38426088 PMCID: PMC10902224 DOI: 10.3389/fimmu.2024.1362996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 01/30/2024] [Indexed: 03/02/2024] Open
Abstract
An increase in the extracellular concentration of ATP as a consequence of cellular stress or cell death results in the activation of immune cells. To prevent inflammation, extracellular ATP is rapidly metabolized to adenosine, which deploys an anti-inflammatory signaling cascade upon binding to P1 receptors on immune cells. The ectonucleotidases necessary for the degradation of ATP and generation of adenosine are present on the cell membrane of many immune cells, and their expression is tightly regulated under conditions of inflammation. The discovery that extracellular vesicles (EVs) carry purinergic enzyme activity has brought forward the concept of EVs as a new player in immune regulation. Adenosine-generating EVs derived from cancer cells suppress the anti-tumor response, while EVs derived from immune or mesenchymal stem cells contribute to the restoration of homeostasis after infection. Here we will review the existing knowledge on EVs containing purinergic enzymes and molecules, and discuss the relevance of these EVs in immune modulation and their potential for therapy.
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Affiliation(s)
- Riekje Winzer
- Department of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Du Hanh Nguyen
- Department of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Felix Schoppmeier
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Filippo Cortesi
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Nicola Gagliani
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Eva Tolosa
- Department of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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12
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Huang M, Wang Y, Fang L, Liu C, Feng F, Liu L, Sun C. T cell senescence: a new perspective on immunotherapy in lung cancer. Front Immunol 2024; 15:1338680. [PMID: 38415245 PMCID: PMC10896971 DOI: 10.3389/fimmu.2024.1338680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 01/30/2024] [Indexed: 02/29/2024] Open
Abstract
T cell senescence is an indication of T cell dysfunction. The ability of senescent T cells to respond to cognate antigens is reduced and they are in the late stage of differentiation and proliferation; therefore, they cannot recognize and eliminate tumor cells in a timely and effective manner, leading to the formation of the suppressive tumor microenvironment. Establishing methods to reverse T cell senescence is particularly important for immunotherapy. Aging exacerbates profound changes in the immune system, leading to increased susceptibility to chronic, infectious, and autoimmune diseases. Patients with malignant lung tumors have impaired immune function with a high risk of recurrence, metastasis, and mortality. Immunotherapy based on PD-1, PD-L1, CTLA-4, and other immune checkpoints is promising for treating lung malignancies. However, T cell senescence can lead to low efficacy or unsuccessful treatment results in some immunotherapies. Efficiently blocking and reversing T cell senescence is a key goal of the enhancement of tumor immunotherapy. This study discusses the characteristics, mechanism, and expression of T cell senescence in malignant lung tumors and the treatment strategies.
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Affiliation(s)
- Mengge Huang
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yuetong Wang
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Liguang Fang
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Cun Liu
- College of Traditional Chinese Medicine, Weifang Medical University, Weifang, China
| | - Fubin Feng
- Department of Oncology, Weifang Traditional Chinese Hospital, Weifang, China
| | - Lijuan Liu
- Department of Oncology, Weifang Traditional Chinese Hospital, Weifang, China
| | - Changgang Sun
- College of Traditional Chinese Medicine, Weifang Medical University, Weifang, China
- Department of Oncology, Weifang Traditional Chinese Hospital, Weifang, China
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13
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Pardo-Cea MA, Farré X, Esteve A, Palade J, Espín R, Mateo F, Alsop E, Alorda M, Blay N, Baiges A, Shabbir A, Comellas F, Gómez A, Arnan M, Teulé A, Salinas M, Berrocal L, Brunet J, Rofes P, Lázaro C, Conesa M, Rojas JJ, Velten L, Fendler W, Smyczynska U, Chowdhury D, Zeng Y, He HH, Li R, Van Keuren-Jensen K, de Cid R, Pujana MA. Biological basis of extensive pleiotropy between blood traits and cancer risk. Genome Med 2024; 16:21. [PMID: 38308367 PMCID: PMC10837955 DOI: 10.1186/s13073-024-01294-8] [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: 08/11/2023] [Accepted: 01/22/2024] [Indexed: 02/04/2024] Open
Abstract
BACKGROUND The immune system has a central role in preventing carcinogenesis. Alteration of systemic immune cell levels may increase cancer risk. However, the extent to which common genetic variation influences blood traits and cancer risk remains largely undetermined. Here, we identify pleiotropic variants and predict their underlying molecular and cellular alterations. METHODS Multivariate Cox regression was used to evaluate associations between blood traits and cancer diagnosis in cases in the UK Biobank. Shared genetic variants were identified from the summary statistics of the genome-wide association studies of 27 blood traits and 27 cancer types and subtypes, applying the conditional/conjunctional false-discovery rate approach. Analysis of genomic positions, expression quantitative trait loci, enhancers, regulatory marks, functionally defined gene sets, and bulk- and single-cell expression profiles predicted the biological impact of pleiotropic variants. Plasma small RNAs were sequenced to assess association with cancer diagnosis. RESULTS The study identified 4093 common genetic variants, involving 1248 gene loci, that contributed to blood-cancer pleiotropism. Genomic hotspots of pleiotropism include chromosomal regions 5p15-TERT and 6p21-HLA. Genes whose products are involved in regulating telomere length are found to be enriched in pleiotropic variants. Pleiotropic gene candidates are frequently linked to transcriptional programs that regulate hematopoiesis and define progenitor cell states of immune system development. Perturbation of the myeloid lineage is indicated by pleiotropic associations with defined master regulators and cell alterations. Eosinophil count is inversely associated with cancer risk. A high frequency of pleiotropic associations is also centered on the regulation of small noncoding Y-RNAs. Predicted pleiotropic Y-RNAs show specific regulatory marks and are overabundant in the normal tissue and blood of cancer patients. Analysis of plasma small RNAs in women who developed breast cancer indicates there is an overabundance of Y-RNA preceding neoplasm diagnosis. CONCLUSIONS This study reveals extensive pleiotropism between blood traits and cancer risk. Pleiotropism is linked to factors and processes involved in hematopoietic development and immune system function, including components of the major histocompatibility complexes, and regulators of telomere length and myeloid lineage. Deregulation of Y-RNAs is also associated with pleiotropism. Overexpression of these elements might indicate increased cancer risk.
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Affiliation(s)
- Miguel Angel Pardo-Cea
- ProCURE, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Xavier Farré
- Genomes for Life - GCAT Lab Group, Institut Germans Trias i Pujol (IGTP), Badalona, 08916, Barcelona, Catalonia, Spain
| | - Anna Esteve
- Badalona Applied Research Group in Oncology (B-ARGO), Catalan Institute of Oncology, Institut Germans Trias i Pujol (IGTP), Badalona, 08916, Barcelona, Catalonia, Spain
| | - Joanna Palade
- Cancer and Cell Biology, Translational Genomics Research Institute (TGen), Arizona, Phoenix, AZ, 85004, USA
| | - Roderic Espín
- ProCURE, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Francesca Mateo
- ProCURE, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Eric Alsop
- Cancer and Cell Biology, Translational Genomics Research Institute (TGen), Arizona, Phoenix, AZ, 85004, USA
| | - Marc Alorda
- ProCURE, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Natalia Blay
- Genomes for Life - GCAT Lab Group, Institut Germans Trias i Pujol (IGTP), Badalona, 08916, Barcelona, Catalonia, Spain
| | - Alexandra Baiges
- ProCURE, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Arzoo Shabbir
- ProCURE, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Francesc Comellas
- Department of Mathematics, Technical University of Catalonia, Castelldefels, 08860, Barcelona, Catalonia, Spain
| | - Antonio Gómez
- Department of Biosciences, Faculty of Sciences and Technology (FCT), University of Vic - Central University of Catalonia (UVic-UCC), Vic, 08500, Barcelona, Catalonia, Spain
| | - Montserrat Arnan
- Department of Hematology, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Alex Teulé
- Hereditary Cancer Program, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Monica Salinas
- Hereditary Cancer Program, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Laura Berrocal
- OncoGir, Catalan Institute of Oncology, Girona Biomedical Research Institute (IDIBGI), 17190, Salt, Catalonia, Spain
| | - Joan Brunet
- Hereditary Cancer Program, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
- OncoGir, Catalan Institute of Oncology, Girona Biomedical Research Institute (IDIBGI), 17190, Salt, Catalonia, Spain
- Biomedical Research Network Centre in Cancer (CIBERONC), Instituto de Salud Carlos III, 28222, Madrid, Spain
| | - Paula Rofes
- Hereditary Cancer Program, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
- Biomedical Research Network Centre in Cancer (CIBERONC), Instituto de Salud Carlos III, 28222, Madrid, Spain
| | - Conxi Lázaro
- Hereditary Cancer Program, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
- Biomedical Research Network Centre in Cancer (CIBERONC), Instituto de Salud Carlos III, 28222, Madrid, Spain
| | - Miquel Conesa
- Department of Pathology and Experimental Therapies, University of Barcelona (UB), Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Juan Jose Rojas
- Department of Pathology and Experimental Therapies, University of Barcelona (UB), Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain
| | - Lars Velten
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology (BIST), 08003, Barcelona, Spain
- University Pompeu Fabra (UPF), 08002, Barcelona, Spain
| | - Wojciech Fendler
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, 92-215, Lodz, Poland
| | - Urszula Smyczynska
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, 92-215, Lodz, Poland
| | - Dipanjan Chowdhury
- Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, MA, 02115, USA
- Center for BRCA and Related Genes, Dana-Farber Cancer Institute, Boston, MA, 02115, USA
- Harvard Medical School, Boston, MA, 02115, USA
| | - Yong Zeng
- Princess Margaret Cancer Center, University Health Network, Toronto, ON, M5G 2C4, Canada
| | - Housheng Hansen He
- Princess Margaret Cancer Center, University Health Network, Toronto, ON, M5G 2C4, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, M5G 1L7, Canada
| | - Rong Li
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC, 20052, USA
| | - Kendall Van Keuren-Jensen
- Cancer and Cell Biology, Translational Genomics Research Institute (TGen), Arizona, Phoenix, AZ, 85004, USA.
| | - Rafael de Cid
- Genomes for Life - GCAT Lab Group, Institut Germans Trias i Pujol (IGTP), Badalona, 08916, Barcelona, Catalonia, Spain.
| | - Miquel Angel Pujana
- ProCURE, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908, Barcelona, Catalonia, Spain.
- Biomedical Research Network Centre in Respiratory Diseases (CIBERES), Instituto de Salud Carlos III, 28222, Madrid, Spain.
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14
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Chen X, Ouyang H, Zhang Y, Chen C, Nan S, Pu X, Gong T, Zhang ZR, Liu R, Fu Y. Antigen-specific T cell activation through targeted delivery of in-situ generated antigen and calcium ionophore to enhance antitumor immunotherapy. J Control Release 2024; 365:544-557. [PMID: 38052255 DOI: 10.1016/j.jconrel.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 12/01/2023] [Accepted: 12/01/2023] [Indexed: 12/07/2023]
Abstract
Recent advances in adoptive T-cell therapy have delivered impressive therapeutic outcomes by instigating enduring anti-tumor responses. Nonetheless, achieving specific T-cell activation remains a challenge due to several factors. Some cancer cells evade T-cell recognition due to the scarcity of tumor-specific T cells and deficiencies in antigen processing or major histocompatibility complex (MHC) presentation. Notably underestimated is the impact of waning T-cell receptor (TCR) expression and the constrained formation of immune synapses (IS) between dendritic cells (DCs) and T cells, impairing T-cell activation. Addressing these complexities, we introduce a pioneering approach featuring the deployment of a gel implant. This implant establishes an on-site antigen reservoir, efficiently targets DCs in lymph nodes, and facilitates calcium ion (Ca2+) delivery. Engineered with controlled swelling, poroelasticity, and resilience, the gel is suitable for surgical implantation. Its ample encapsulation capacity accommodates both photosensitizers and nanoparticles. Upon in situ photothermal irradiation, the gel generates tumor-specific antigens. Furthermore, cationic albumin nanoparticles (cNPs) co-loaded with monophosphoryl lipid A (MPLA) and ionomycin are released, guiding antigens to tumor-draining lymph nodes for DCs maturation. This meticulous process fosters the formation of IS thereby amplifying antigen-specific T-cell activation.
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Affiliation(s)
- Xue Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Hongling Ouyang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yunxiao Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Conglin Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Simin Nan
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Ximing Pu
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, China
| | - Tao Gong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zhi-Rong Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Renhe Liu
- Global Health Drug Discovery Institute, Beijing, China.
| | - Yao Fu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
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15
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Deng YJ, Wang XG, Li Z, Wang B, Li J, Ma J, Xue X, Tian X, Liu QC, Liu JY, Zhang Y, Yuan B. Comprehensive analysis of senescence-related genes and immune infiltration in intervertebral disc degeneration: a meta-data approach utilizing bulk and single-cell RNA sequencing data. Front Mol Biosci 2023; 10:1296782. [PMID: 38187091 PMCID: PMC10770860 DOI: 10.3389/fmolb.2023.1296782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 12/13/2023] [Indexed: 01/09/2024] Open
Abstract
Objectives: This study aims to identify the key senescence genes and potential regulatory mechanisms that contribute to the etiology of intervertebral disc degeneration (IDD). Method: We analyzed GSE34095 and GSE70362 datasets, identifying key senescence-related differentially expressed genes (DEGs) in IDD using lasso regression. Risk scores classified patients into high- and low-risk groups. We compared pathways, functions, and immune infiltration between these groups. Diagnostic ability was assessed using ROC curves and a nomogram predicted IDD incidence. In single-cell dataset GSE165722, we evaluated expression of key senescence-related DEGs. Results: We identified 12 key senescence-related DEGs distinguishing high- and low-risk IDD patients. Enrichment analysis revealed cellular stress response, apoptotic signaling pathway, and protein kinase activation differences. Immune cell analysis showed elevated eosinophils in low-risk group and increased effector memory CD8 T, central memory CD4 T, myeloid-derived suppressor, natural killer, monocyte, Type 1 T helper, plasmacytoid dendritic, and natural killer T cells in high-risk group. A nomogram using AUC >0.75 genes (CXCL8, MAP4K4, MINK1, and TNIK) predicted IDD incidence with good diagnostic power. High senescence scores were observed in neutrophils. Conclusion: Our diagnostic model, based on key senescence-related DEGs and immune cell infiltration, offers new insights into IDD pathogenesis and immunotherapy strategies.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Bin Yuan
- Department of Spine Surgery, Xi’an Daxing Hospital, Yanan University, Xi’an, China
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16
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Hioki KA, Ryan DJ, Thesmar I, Lynch AC, Pobezinsky LA, Pobezinskaya EL. The mosquito effect: regulatory and effector T cells acquire cytoplasmic material from tumor cells through intercellular transfer. Front Immunol 2023; 14:1272918. [PMID: 38179041 PMCID: PMC10765531 DOI: 10.3389/fimmu.2023.1272918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 11/30/2023] [Indexed: 01/06/2024] Open
Abstract
The phenomenon of intercellular transfer of cellular material, including membranes, cytoplasm, and even organelles, has been observed for decades. The functional impact and molecular mechanisms of such transfer in the immune system remain largely elusive due to the absence of a robust in vivo model. Here, we introduce a new tumor mouse model, where tumor cells express the soluble ultra-bright fluorescent protein ZsGreen, which allows detection and measurement of intercellular transfer of cytoplasm from tumor cells to infiltrating immune cells. We found that in addition to various types of myeloid lineage cells, a large fraction of T regulatory cells and effector CD8 T cells acquire tumor material. Based on the distribution of tumor-derived ZsGreen, the majority of T cells integrate captured cytoplasm into their own, while most myeloid cells store tumor material in granules. Furthermore, scRNA-seq analysis revealed significant alterations in transcriptomes of T cells that acquired tumor cell cytoplasm, suggesting potential impact on T cell function. We identified that the participation of T cells in intercellular transfer requires cell-cell contact and is strictly dependent on the activation status of T lymphocytes. Finally, we propose to name the described phenomenon of intercellular transfer for tumor infiltrating T cells the "mosquito effect".
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Affiliation(s)
- Kaito A. Hioki
- Department of Veterinary and Animal Science, University of Massachusetts, Amherst, MA, United States
- UMass Biotech Training Program (BTP), University of Massachusetts, Amherst, MA, United States
| | - Daniel J. Ryan
- Department of Veterinary and Animal Science, University of Massachusetts, Amherst, MA, United States
| | - Iris Thesmar
- Department of Veterinary and Animal Science, University of Massachusetts, Amherst, MA, United States
| | - Adam C. Lynch
- Department of Veterinary and Animal Science, University of Massachusetts, Amherst, MA, United States
| | - Leonid A. Pobezinsky
- Department of Veterinary and Animal Science, University of Massachusetts, Amherst, MA, United States
| | - Elena L. Pobezinskaya
- Department of Veterinary and Animal Science, University of Massachusetts, Amherst, MA, United States
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17
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Yan S, Lin S, Qiu H, Wang X, He Y, Wang C, Huang Y. Regulation of telomerase towards tumor therapy. Cell Biosci 2023; 13:228. [PMID: 38111043 PMCID: PMC10726632 DOI: 10.1186/s13578-023-01181-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 12/02/2023] [Indexed: 12/20/2023] Open
Abstract
Cancer is an aging-related disease, while aging plays an important role in the development process of tumor, thus the two are inextricably associated. Telomere attrition is one of the recognized hallmark events of senescence. Hence, targeting telomerase which could extends telomere sequences to treat tumors is widely favored. Cancer cells rely on high activity of telomerase to maintain a strong proliferative potential. By inhibiting the expression or protein function of telomerase, the growth of cancer cells can be significantly suppressed. In addition, the human immune system itself has a defense system against malignant tumors. However, excessive cell division results in dramatic shortening on telomeres and decline in the function of immune organs that facilitates cancer cell evasion. It has been shown that increasing telomerase activity or telomere length of these immune cells can attenuate senescence, improve cellular viability, and enhance the immunosuppressive microenvironment of tumor. In this paper, we review the telomerase-targeting progress using different anti-tumor strategies from the perspectives of cancer cells and immune cells, respectively, as well as tracking the preclinical and clinical studies of some representative drugs for the prevention or treatment of tumors.
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Affiliation(s)
- Siyu Yan
- MOE Key Laboratory of Gene Function and Regulation and Guangzhou Key Laboratory of Healthy Aging, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China
- Lumiere Therapeutics Co., Ltd., Suzhou, 215000, China
| | - Song Lin
- MOE Key Laboratory of Gene Function and Regulation and Guangzhou Key Laboratory of Healthy Aging, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China
| | - Hongxin Qiu
- MOE Key Laboratory of Gene Function and Regulation and Guangzhou Key Laboratory of Healthy Aging, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China
| | - Xining Wang
- MOE Key Laboratory of Gene Function and Regulation and Guangzhou Key Laboratory of Healthy Aging, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China
| | - Yijun He
- MOE Key Laboratory of Gene Function and Regulation and Guangzhou Key Laboratory of Healthy Aging, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China
| | - Chuanle Wang
- MOE Key Laboratory of Gene Function and Regulation and Guangzhou Key Laboratory of Healthy Aging, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China
- Department of Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510275, China
| | - Yan Huang
- MOE Key Laboratory of Gene Function and Regulation and Guangzhou Key Laboratory of Healthy Aging, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China.
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18
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Yang Y, Yang J, Zhu N, Qiu H, Feng W, Chen Y, Chen X, Chen Y, Zheng W, Liang M, Lin T, Yu J, Guo Z. Tumor-targeting hydroxyapatite nanoparticles for remodeling tumor immune microenvironment (TIME) by activating mitoDNA-pyroptosis pathway in cancer. J Nanobiotechnology 2023; 21:470. [PMID: 38062467 PMCID: PMC10704647 DOI: 10.1186/s12951-023-02231-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
In recent years, immunotherapy has emerged as a promising strategy for treating solid tumors, although its efficacy remains limited to a subset of patients. Transforming non-responsive "cold" tumor types into immuno-responsive "hot" ones is critical to enhance the efficacy of immune-based cancer treatments. Pyroptosis, a programmed cell death mechanism, not only effectively eliminates tumor cells but also triggers a potent inflammatory response to initiate anti-tumor immune activities. This sheds light on the potential of pyroptosis to sensitize tumors to immune therapy. Hence, it is urgent to explore and develop novel treatments (e.g., nanomedicines) which are capable of inducing pyroptosis. In this study, we constructed tumor-targeting nanoparticles (CS-HAP@ATO NPs) by loading atorvastatin (ATO) onto chondroitin sulfate (CS) modified hydroxyapatite (HAP) nanoparticles (CS-HAP). CS was strategically employed to target tumor cells, while HAP exhibited the capacity to release calcium ions (Ca2+) in response to the tumor microenvironment. Moreover, ATO disrupted the mitochondrial function, leading to intracellular energy depletion and consequential changes in mitochondrial membrane permeability, followed by the influx of Ca2+ into the cytoplasm and mitochondria. CS and HAP synergetically augmented mitochondrial calcium overload, inciting the production of substantial amount of reactive oxygen species (ROS) and the subsequent liberation of oxidized mitochondrial DNA (OX-mitoDNA). This intricate activation process promoted the assembly of inflammasomes, most notably the NLRP3 inflammasome, followed by triggering caspase-1 activation. The activated caspase-1 was able to induce gasderminD (GSDMD) protein cleavage and present the GSDM-N domain, which interacted with phospholipids in the cell membrane. Then, the cell membrane permeability was raised, cellular swelling was observed, and abundant cell contents and inflammatory mediators were released. Ultimately, this orchestrated sequence of events served to enhance the anti-tumor immunoresponse within the organism.
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Affiliation(s)
- Yuxuan Yang
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China
| | - Jia Yang
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China
- Department of General Surgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, 441021, China
| | - Nan Zhu
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China
| | - Haosen Qiu
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China
| | - Wenxiang Feng
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China
| | - Ying Chen
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China
| | - Xinhua Chen
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China
| | - Yuehong Chen
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China
| | - Wenbo Zheng
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China
| | - Min Liang
- Department of Oncology, Innovation Centre for Advanced Interdisciplinary Medicine, Guangzhou Key Laboratory of Enhanced Recovery after Abdominal Surgery, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510700, China.
| | - Tian Lin
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China.
| | - Jiang Yu
- Department of General Surgery, Nanfang Hospital, Southern medical University, Guangzhou, 510515, China.
| | - Zhaoze Guo
- Breast Division, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
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19
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Teli P, Vaidya A, Kale V. Signal transduction pathways alter the molecular cargo of extracellular vesicles: implications in regenerative medicine. Regen Med 2023; 18:935-944. [PMID: 38059320 DOI: 10.2217/rme-2023-0183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2023] Open
Abstract
Extracellular vesicles (EVs) possess regenerative properties and are also considered as future vaccines. All types of cells secrete EVs; however, the amount of EVs secreted by the cells varies under various physiological as well as pathological states. Several articles have reviewed the molecular composition and potential therapeutic applications of EVs. Likewise, the 'sorting signals' associated with specific macromolecules have also been identified, but how the signal transduction pathways prevailing in the parent cells alter the molecular profile of the EVs or the payload they carry has not been sufficiently reviewed. Here, we have specifically discussed the implications of these alterations in the macromolecular cargo of EVs for their therapeutic applications in regenerative medicine.
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Affiliation(s)
- Prajakta Teli
- Symbiosis Centre for Stem Cell Research, Symbiosis International (Deemed University), Pune 412115, India
- Symbiosis School of Biological Sciences, Symbiosis International (Deemed University), Pune 412115, India
| | - Anuradha Vaidya
- Symbiosis Centre for Stem Cell Research, Symbiosis International (Deemed University), Pune 412115, India
- Symbiosis School of Biological Sciences, Symbiosis International (Deemed University), Pune 412115, India
| | - Vaijayanti Kale
- Symbiosis Centre for Stem Cell Research, Symbiosis International (Deemed University), Pune 412115, India
- Symbiosis School of Biological Sciences, Symbiosis International (Deemed University), Pune 412115, India
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20
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Barreca V, Boussadia Z, Polignano D, Galli L, Tirelli V, Sanchez M, Falchi M, Bertuccini L, Iosi F, Tatti M, Sargiacomo M, Fiani ML. Metabolic labelling of a subpopulation of small extracellular vesicles using a fluorescent palmitic acid analogue. J Extracell Vesicles 2023; 12:e12392. [PMID: 38072803 PMCID: PMC10710952 DOI: 10.1002/jev2.12392] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 11/14/2023] [Accepted: 11/17/2023] [Indexed: 12/18/2023] Open
Abstract
Exosomes are among the most puzzling vehicles of intercellular communication, but several crucial aspects of their biogenesis remain elusive, primarily due to the difficulty in purifying vesicles with similar sizes and densities. Here we report an effective methodology for labelling small extracellular vesicles (sEV) using Bodipy FL C16, a fluorescent palmitic acid analogue. In this study, we present compelling evidence that the fluorescent sEV population derived from Bodipy C16-labelled cells represents a discrete subpopulation of small exosomes following an intracellular pathway. Rapid cellular uptake and metabolism of Bodipy C16 resulted in the incorporation of fluorescent phospholipids into intracellular organelles specifically excluding the plasma membrane and ultimately becoming part of the exosomal membrane. Importantly, our fluorescence labelling method facilitated accurate quantification and characterization of exosomes, overcoming the limitations of nonspecific dye incorporation into heterogeneous vesicle populations. The characterization of Bodipy-labelled exosomes reveals their enrichment in tetraspanin markers, particularly CD63 and CD81, and in minor proportion CD9. Moreover, we employed nanoFACS sorting and electron microscopy to confirm the exosomal nature of Bodipy-labelled vesicles. This innovative metabolic labelling approach, based on the fate of a fatty acid, offers new avenues for investigating exosome biogenesis and functional properties in various physiological and pathological contexts.
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Affiliation(s)
- Valeria Barreca
- National Center for Global HealthIstituto Superiore di SanitàRomeItaly
| | | | - Deborah Polignano
- National Center for Global HealthIstituto Superiore di SanitàRomeItaly
| | - Lorenzo Galli
- National Center for Global HealthIstituto Superiore di SanitàRomeItaly
| | | | | | - Mario Falchi
- National AIDS CenterIstituto Superiore di SanitàRomeItaly
| | | | | | - Massimo Tatti
- Department of Oncology and Molecular MedicineIstituto Superiore di SanitàRomeItaly
| | | | - Maria Luisa Fiani
- National Center for Global HealthIstituto Superiore di SanitàRomeItaly
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21
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Zhang W. Big data analysis identified a telomere-related signature predicting the prognosis and drug sensitivity in lung adenocarcinoma. Medicine (Baltimore) 2023; 102:e35526. [PMID: 37986388 PMCID: PMC10659611 DOI: 10.1097/md.0000000000035526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/05/2023] [Accepted: 09/15/2023] [Indexed: 11/22/2023] Open
Abstract
Telomeres exert a critical role in chromosome stability and aberrant regulation of telomerase may result in telomeres dysfunction and genomic instability, which are involved in the occurrence of cancers. However, limited studies have been performed to fully clarify the immune infiltration and clinical significance of telomeres-related genes (TRGs) in lung adenocarcinoma (LUAD). The number of clusters of LUAD was determined by consensus clustering analysis. The prognostic signature was constructed and verified using TCGA and GSE42127 dataset with Least Absolute Shrinkage and Selection Operator cox regression analysis. The correlation between different clusters and risk-score and drug therapy response was analyzed using TIDE and IMvigor210 dataset. Using several miRNA and lncRNA related databases, we constructed a lncRNA-miRNA-mRNA regulatory axis. We identified 2 telomeres-related clusters in LUAD, which had distinct differences in prognostic stratification, TMB score, TIDE score, immune characteristics and signal pathways and biological effects. A prognostic model was developed based on 21 TRGs, which had a better performance in risk stratification and prognosis prediction compared with other established models. TRGs-based risk score could serve as an independent risk factor for LUAD. Survival prediction nomogram was also developed to promote the clinical use of TRGs risk score. Moreover, LUAD patients with high risk score had a high TMB score, low TIDE score and IC50 value of common drugs, suggesting that high risk score group might benefit from receiving immunotherapy, chemotherapy and target therapy. We also developed a lncRNA KCNQ1QT1/miR-296-5p/PLK1 regulatory axis. Our study identified 2 telomeres-related clusters and a prognostic model in LUAD, which could be helpful for risk stratification, prognosis prediction and treatment approach selection.
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Affiliation(s)
- Weiyi Zhang
- Department of Gastroenterology, Zhongshan City People’s Hospital, Zhongshan, China
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22
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Yegorov YE. Olovnikov, Telomeres, and Telomerase. Is It Possible to Prolong a Healthy Life? BIOCHEMISTRY. BIOKHIMIIA 2023; 88:1704-1718. [PMID: 38105192 DOI: 10.1134/s0006297923110032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/29/2023] [Accepted: 08/31/2023] [Indexed: 12/19/2023]
Abstract
The science of telomeres and telomerase has made tremendous progress in recent decades. In this review, we consider it first in a historical context (the Carrel-Hayflick-Olovnikov-Blackburn chain of discoveries) and then review current knowledge on the telomere structure and dynamics in norm and pathology. Central to the review are consequences of the telomere shortening, including telomere position effects, DNA damage signaling, and increased genetic instability. Cell senescence and role of telomere length in its development are discussed separately. Therapeutic aspects and risks of telomere lengthening methods including use of telomerase and other approaches are also discussed.
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Affiliation(s)
- Yegor E Yegorov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
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23
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Calzada-Fraile D, Sánchez-Madrid F. Reprogramming dendritic cells through the immunological synapse: A two-way street. Eur J Immunol 2023; 53:e2350393. [PMID: 37598303 DOI: 10.1002/eji.202350393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 08/21/2023]
Abstract
Dendritic cells (DCs) bridge innate and adaptive immunity. Their main function is to present antigens to prime T cells and initiate and shape adaptive responses. Antigen presentation takes place through intimate contacts between the two cells, termed immune synapses (IS). During the formation of IS, information travels towards the T-cell side to induce and tune its activation; but it also travels in reverse via engagement of membrane receptors and within extracellular vesicles transferred to the DC. Such reverse information transfer and its consequences on DC fate have been largely neglected. Here, we review the events and effects of IS-mediated antigen presentation on DCs. In addition, we discuss novel technological advancements that enable monitoring DCs interactions with T lymphocytes, the main effects of DCs undergoing productive IS (postsynaptic DCs, or psDCs), and how reverse information transfer could be harnessed to modulate immune responses for therapeutic intervention.
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Affiliation(s)
- Diego Calzada-Fraile
- Intercellular Communication in the Inflammatory Response, Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Francisco Sánchez-Madrid
- Intercellular Communication in the Inflammatory Response, Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- Immunology Department, Instituto de Investigación Sanitaria Hospital Universitario La Princesa, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
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24
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Quinn KM, Vicencio DM, La Gruta NL. The paradox of aging: Aging-related shifts in T cell function and metabolism. Semin Immunol 2023; 70:101834. [PMID: 37659169 DOI: 10.1016/j.smim.2023.101834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 08/17/2023] [Accepted: 08/17/2023] [Indexed: 09/04/2023]
Abstract
T cell survival, differentiation after stimulation, and function are intrinsically linked to distinct cellular metabolic states. The ability of T cells to readily transition between metabolic states enables flexibility to meet the changing energy demands defined by distinct effector states or T cell lineages. Immune aging is characterized, in part, by the loss of naïve T cells, accumulation of senescent T cells, severe dysfunction in memory phenotype T cells in particular, and elevated levels of inflammatory cytokines, or 'inflammaging'. Here, we review our current understanding of the phenotypic and functional changes that occur with aging in T cells, and how they relate to metabolic changes in the steady state and after T cell activation. We discuss the apparent contradictions in the aging T cell phenotype - where enhanced differentiation states and metabolic profiles in the steady state can correspond to a diminished capacity to adapt metabolically and functionally after T cell activation. Finally, we discuss key recent studies that indicate the enormous potential for aged T cell metabolism to induce systemic inflammaging and organism-wide multimorbidity, resulting in premature death.
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Affiliation(s)
- Kylie M Quinn
- School of Health and Biomedical Sciences, Royal Melbourne Institute of Technology University, Bundoora, Victoria, Australia; Immunity Program and Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Daniela M Vicencio
- Immunity Program and Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia; Division of Biomedical Sciences, Warwick Medical School, The University of Warwick, Coventry, UK
| | - Nicole L La Gruta
- Immunity Program and Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia.
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25
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Salvioli S, Basile MS, Bencivenga L, Carrino S, Conte M, Damanti S, De Lorenzo R, Fiorenzato E, Gialluisi A, Ingannato A, Antonini A, Baldini N, Capri M, Cenci S, Iacoviello L, Nacmias B, Olivieri F, Rengo G, Querini PR, Lattanzio F. Biomarkers of aging in frailty and age-associated disorders: State of the art and future perspective. Ageing Res Rev 2023; 91:102044. [PMID: 37647997 DOI: 10.1016/j.arr.2023.102044] [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: 07/19/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/01/2023]
Abstract
According to the Geroscience concept that organismal aging and age-associated diseases share the same basic molecular mechanisms, the identification of biomarkers of age that can efficiently classify people as biologically older (or younger) than their chronological (i.e. calendar) age is becoming of paramount importance. These people will be in fact at higher (or lower) risk for many different age-associated diseases, including cardiovascular diseases, neurodegeneration, cancer, etc. In turn, patients suffering from these diseases are biologically older than healthy age-matched individuals. Many biomarkers that correlate with age have been described so far. The aim of the present review is to discuss the usefulness of some of these biomarkers (especially soluble, circulating ones) in order to identify frail patients, possibly before the appearance of clinical symptoms, as well as patients at risk for age-associated diseases. An overview of selected biomarkers will be discussed in this regard, in particular we will focus on biomarkers related to metabolic stress response, inflammation, and cell death (in particular in neurodegeneration), all phenomena connected to inflammaging (chronic, low-grade, age-associated inflammation). In the second part of the review, next-generation markers such as extracellular vesicles and their cargos, epigenetic markers and gut microbiota composition, will be discussed. Since recent progresses in omics techniques have allowed an exponential increase in the production of laboratory data also in the field of biomarkers of age, making it difficult to extract biological meaning from the huge mass of available data, Artificial Intelligence (AI) approaches will be discussed as an increasingly important strategy for extracting knowledge from raw data and providing practitioners with actionable information to treat patients.
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Affiliation(s)
- Stefano Salvioli
- Department of Medical and Surgical Science, University of Bologna, Bologna, Italy; IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.
| | | | - Leonardo Bencivenga
- Department of Translational Medical Sciences, University of Naples Federico II, Napoli, Italy
| | - Sara Carrino
- Department of Medical and Surgical Science, University of Bologna, Bologna, Italy
| | - Maria Conte
- Department of Medical and Surgical Science, University of Bologna, Bologna, Italy
| | - Sarah Damanti
- IRCCS Ospedale San Raffaele and Vita-Salute San Raffaele University, Milano, Italy
| | - Rebecca De Lorenzo
- IRCCS Ospedale San Raffaele and Vita-Salute San Raffaele University, Milano, Italy
| | - Eleonora Fiorenzato
- Parkinson's Disease and Movement Disorders Unit, Center for Rare Neurological Diseases (ERN-RND), Department of Neurosciences, University of Padova, Padova, Italy
| | - Alessandro Gialluisi
- Department of Epidemiology and Prevention, IRCCS NEUROMED, Pozzilli, Italy; EPIMED Research Center, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Assunta Ingannato
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy; IRCCS Fondazione Don Carlo Gnocchi, Florence, Italy
| | - Angelo Antonini
- Parkinson's Disease and Movement Disorders Unit, Center for Rare Neurological Diseases (ERN-RND), Department of Neurosciences, University of Padova, Padova, Italy; Center for Neurodegenerative Disease Research (CESNE), Department of Neurosciences, University of Padova, Padova, Italy
| | - Nicola Baldini
- IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy; Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Miriam Capri
- Department of Medical and Surgical Science, University of Bologna, Bologna, Italy
| | - Simone Cenci
- IRCCS Ospedale San Raffaele and Vita-Salute San Raffaele University, Milano, Italy
| | - Licia Iacoviello
- Department of Epidemiology and Prevention, IRCCS NEUROMED, Pozzilli, Italy; EPIMED Research Center, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Benedetta Nacmias
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy; IRCCS Fondazione Don Carlo Gnocchi, Florence, Italy
| | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences, Università Politecnica Delle Marche, Ancona, Italy; Clinic of Laboratory and Precision Medicine, IRCCS INRCA, Ancona, Italy
| | - Giuseppe Rengo
- Department of Translational Medical Sciences, University of Naples Federico II, Napoli, Italy; Istituti Clinici Scientifici Maugeri IRCCS, Scientific Institute of Telese Terme, Telese Terme, Italy
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26
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De Silva NS, Siewiera J, Alkhoury C, Nader GPF, Nadalin F, de Azevedo K, Couty M, Izquierdo HM, Bhargava A, Conrad C, Maurin M, Antoniadou K, Fouillade C, Londono-Vallejo A, Behrendt R, Bertotti K, Serdjebi C, Lanthiez F, Gallwitz L, Saftig P, Herrero-Fernández B, Saez A, González-Granado JM, van Niel G, Boissonnas A, Piel M, Manel N. Nuclear envelope disruption triggers hallmarks of aging in lung alveolar macrophages. NATURE AGING 2023; 3:1251-1268. [PMID: 37723209 DOI: 10.1038/s43587-023-00488-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 08/16/2023] [Indexed: 09/20/2023]
Abstract
Aging is characterized by gradual immune dysfunction and increased disease risk. Genomic instability is considered central to the aging process, but the underlying mechanisms of DNA damage are insufficiently defined. Cells in confined environments experience forces applied to their nucleus, leading to transient nuclear envelope rupture (NER) and DNA damage. Here, we show that Lamin A/C protects lung alveolar macrophages (AMs) from NER and hallmarks of aging. AMs move within constricted spaces in the lung. Immune-specific ablation of lamin A/C results in selective depletion of AMs and heightened susceptibility to influenza virus-induced pathogenesis and lung cancer growth. Lamin A/C-deficient AMs that persist display constitutive NER marks, DNA damage and p53-dependent senescence. AMs from aged wild-type and from lamin A/C-deficient mice share a lysosomal signature comprising CD63. CD63 is required to limit damaged DNA in macrophages. We propose that NER-induced genomic instability represents a mechanism of aging in AMs.
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Affiliation(s)
| | - Johan Siewiera
- Institut Curie, PSL Research University, INSERM U932, Paris, France
| | - Chantal Alkhoury
- Institut Curie, PSL Research University, INSERM U932, Paris, France
| | | | | | - Kevin de Azevedo
- Institut Curie, PSL Research University, INSERM U932, Paris, France
| | - Mickaël Couty
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris (IPNP), INSERM U1266, Team van Niel, Paris, France
| | | | - Anvita Bhargava
- Institut Curie, PSL Research University, INSERM U932, Paris, France
| | - Cécile Conrad
- Institut Curie, PSL Research University, INSERM U932, Paris, France
| | - Mathieu Maurin
- Institut Curie, PSL Research University, INSERM U932, Paris, France
| | | | - Charles Fouillade
- Institut Curie, PSL Research University, Université Paris-Saclay, CNRS, INSERM, UMR3347, U1021, Orsay, France
| | | | - Rayk Behrendt
- Institute for Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Bonn, Germany
| | | | | | - François Lanthiez
- Sorbonne Université, Inserm, CNRS, Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
| | - Lisa Gallwitz
- Biochemical Institute, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Paul Saftig
- Biochemical Institute, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Beatriz Herrero-Fernández
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Angela Saez
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria (UFV), Pozuelo de Alarcón, Spain
| | - José María González-Granado
- LamImSys Lab, Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12). Department of Immunology, Ophthalmology and ENT, School of Medicine, Universidad Complutense de Madrid. CIBER de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Guillaume van Niel
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris (IPNP), INSERM U1266, Team van Niel, Paris, France
| | - Alexandre Boissonnas
- Sorbonne Université, Inserm, CNRS, Centre d'Immunologie et des Maladies Infectieuses, Cimi-Paris, Paris, France
| | - Matthieu Piel
- Institut Curie, PSL Research University, CNRS UMR144, Paris, France
| | - Nicolas Manel
- Institut Curie, PSL Research University, INSERM U932, Paris, France.
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27
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Lenz LS, Wink MR. The other side of the coin: mesenchymal stromal cell immortalization beyond evasion of senescence. Hum Cell 2023; 36:1593-1603. [PMID: 37341871 DOI: 10.1007/s13577-023-00925-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 05/23/2023] [Indexed: 06/22/2023]
Abstract
Mesenchymal stromal cells (MSC) are promising options to cellular therapy to several clinical disorders, mainly because of its ability to immunomodulate and differentiate into different cell types. Even though MSC can be isolated from different sources, a major challenge to understanding the biological effects is that the primary cells undergo replicative senescence after a limited number of cell divisions in culture, requiring time-consuming and technically challenging approaches to get a sufficient cell number for clinical applications. Therefore, a new isolation, characterization, and expansion is necessary every time, which increases the variability and is time-consuming. Immortalization is a strategy that can overcome these challenges. Therefore, here, we review the different methodologies available to cellular immortalization, and discuss the literature regarding MSC immortalization and the broader biological consequences that extend beyond the mere increase in proliferation potential.
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Affiliation(s)
- Luana Suéling Lenz
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, 90050-170, Brazil
| | - Márcia Rosângela Wink
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, 90050-170, Brazil.
- Departamento de Ciências Básicas da Saúde (DCBS), Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, 90050-170, Brazil.
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28
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Baechle JJ, Chen N, Makhijani P, Winer S, Furman D, Winer DA. Chronic inflammation and the hallmarks of aging. Mol Metab 2023; 74:101755. [PMID: 37329949 PMCID: PMC10359950 DOI: 10.1016/j.molmet.2023.101755] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/30/2023] [Accepted: 06/13/2023] [Indexed: 06/19/2023] Open
Abstract
BACKGROUND Recently, the hallmarks of aging were updated to include dysbiosis, disabled macroautophagy, and chronic inflammation. In particular, the low-grade chronic inflammation during aging, without overt infection, is defined as "inflammaging," which is associated with increased morbidity and mortality in the aging population. Emerging evidence suggests a bidirectional and cyclical relationship between chronic inflammation and the development of age-related conditions, such as cardiovascular diseases, neurodegeneration, cancer, and frailty. How the crosstalk between chronic inflammation and other hallmarks of aging underlies biological mechanisms of aging and age-related disease is thus of particular interest to the current geroscience research. SCOPE OF REVIEW This review integrates the cellular and molecular mechanisms of age-associated chronic inflammation with the other eleven hallmarks of aging. Extra discussion is dedicated to the hallmark of "altered nutrient sensing," given the scope of Molecular Metabolism. The deregulation of hallmark processes during aging disrupts the delicate balance between pro-inflammatory and anti-inflammatory signaling, leading to a persistent inflammatory state. The resultant chronic inflammation, in turn, further aggravates the dysfunction of each hallmark, thereby driving the progression of aging and age-related diseases. MAIN CONCLUSIONS The crosstalk between chronic inflammation and other hallmarks of aging results in a vicious cycle that exacerbates the decline in cellular functions and promotes aging. Understanding this complex interplay will provide new insights into the mechanisms of aging and the development of potential anti-aging interventions. Given their interconnectedness and ability to accentuate the primary elements of aging, drivers of chronic inflammation may be an ideal target with high translational potential to address the pathological conditions associated with aging.
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Affiliation(s)
- Jordan J Baechle
- Buck Artificial Intelligence Platform, the Buck Institute for Research on Aging, Novato, CA, USA
| | - Nan Chen
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada; Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Hospital Research Institute (TGHRI), University Health Network, Toronto, ON, Canada
| | - Priya Makhijani
- Buck Artificial Intelligence Platform, the Buck Institute for Research on Aging, Novato, CA, USA; Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Shawn Winer
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - David Furman
- Buck Artificial Intelligence Platform, the Buck Institute for Research on Aging, Novato, CA, USA; Stanford 1000 Immunomes Project, Stanford University School of Medicine, Stanford, CA, USA; Instituto de Investigaciones en Medicina Traslacional (IIMT), Universidad Austral, CONICET, Pilar, Argentina.
| | - Daniel A Winer
- Buck Artificial Intelligence Platform, the Buck Institute for Research on Aging, Novato, CA, USA; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada; Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Hospital Research Institute (TGHRI), University Health Network, Toronto, ON, Canada; Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.
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29
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Das K, Paul S, Mukherjee T, Ghosh A, Sharma A, Shankar P, Gupta S, Keshava S, Parashar D. Beyond Macromolecules: Extracellular Vesicles as Regulators of Inflammatory Diseases. Cells 2023; 12:1963. [PMID: 37566042 PMCID: PMC10417494 DOI: 10.3390/cells12151963] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/12/2023] Open
Abstract
Inflammation is the defense mechanism of the immune system against harmful stimuli such as pathogens, toxic compounds, damaged cells, radiation, etc., and is characterized by tissue redness, swelling, heat generation, pain, and loss of tissue functions. Inflammation is essential in the recruitment of immune cells at the site of infection, which not only aids in the elimination of the cause, but also initiates the healing process. However, prolonged inflammation often brings about several chronic inflammatory disorders; hence, a balance between the pro- and anti-inflammatory responses is essential in order to eliminate the cause while producing the least damage to the host. A growing body of evidence indicates that extracellular vesicles (EVs) play a major role in cell-cell communication via the transfer of bioactive molecules in the form of proteins, lipids, DNA, RNAs, miRNAs, etc., between the cells. The present review provides a brief classification of the EVs followed by a detailed description of how EVs contribute to the pathogenesis of various inflammation-associated diseases and their implications as a therapeutic measure. The latter part of the review also highlights how EVs act as a bridging entity in blood coagulation disorders and associated inflammation. The findings illustrated in the present review may open a new therapeutic window to target EV-associated inflammatory responses, thereby minimizing the negative outcomes.
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Affiliation(s)
- Kaushik Das
- Department of Cellular and Molecular Biology, The University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA
| | - Subhojit Paul
- School of Biological Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India; (S.P.); (A.G.)
| | - Tanmoy Mukherjee
- School of Medicine, The University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA;
| | - Arnab Ghosh
- School of Biological Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India; (S.P.); (A.G.)
| | - Anshul Sharma
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605, USA;
| | - Prem Shankar
- Department of Neurobiology, The University of Texas Medical Branch, 301 University Blvd, Galveston, TX 77555, USA;
| | - Saurabh Gupta
- Department of Biotechnology, GLA University, Mathura 281406, India;
| | - Shiva Keshava
- Department of Cellular and Molecular Biology, The University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA
| | - Deepak Parashar
- Department of Medicine, Division of Hematology & Oncology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
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30
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Georgieva I, Tchekalarova J, Iliev D, Tzoneva R. Endothelial Senescence and Its Impact on Angiogenesis in Alzheimer's Disease. Int J Mol Sci 2023; 24:11344. [PMID: 37511104 PMCID: PMC10379128 DOI: 10.3390/ijms241411344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Endothelial cells are constantly exposed to environmental stress factors that, above a certain threshold, trigger cellular senescence and apoptosis. The altered vascular function affects new vessel formation and endothelial fitness, contributing to the progression of age-related diseases. This narrative review highlights the complex interplay between senescence, oxidative stress, extracellular vesicles, and the extracellular matrix and emphasizes the crucial role of angiogenesis in aging and Alzheimer's disease. The interaction between the vascular and nervous systems is essential for the development of a healthy brain, especially since neurons are exceptionally dependent on nutrients carried by the blood. Therefore, anomalies in the delicate balance between pro- and antiangiogenic factors and the consequences of disrupted angiogenesis, such as misalignment, vascular leakage and disturbed blood flow, are responsible for neurodegeneration. The implications of altered non-productive angiogenesis in Alzheimer's disease due to dysregulated Delta-Notch and VEGF signaling are further explored. Additionally, potential therapeutic strategies such as exercise and caloric restriction to modulate angiogenesis and vascular aging and to mitigate the associated debilitating symptoms are discussed. Moreover, both the roles of extracellular vesicles in stress-induced senescence and as an early detection marker for Alzheimer's disease are considered. The intricate relationship between endothelial senescence and angiogenesis provides valuable insights into the mechanisms underlying angiogenesis-related disorders and opens avenues for future research and therapeutic interventions.
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Affiliation(s)
- Irina Georgieva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. George Bonchev, Str. Bl. 21, 1113 Sofia, Bulgaria
| | - Jana Tchekalarova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. George Bonchev, Str. Bl. 23, 1113 Sofia, Bulgaria
| | - Dimitar Iliev
- Institute of Molecular Biology, Bulgarian Academy of Sciences, Acad. George Bonchev, Str. Bl. 21, 1113 Sofia, Bulgaria
| | - Rumiana Tzoneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. George Bonchev, Str. Bl. 21, 1113 Sofia, Bulgaria
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31
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Kell L, Simon AK, Alsaleh G, Cox LS. The central role of DNA damage in immunosenescence. FRONTIERS IN AGING 2023; 4:1202152. [PMID: 37465119 PMCID: PMC10351018 DOI: 10.3389/fragi.2023.1202152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 06/22/2023] [Indexed: 07/20/2023]
Abstract
Ageing is the biggest risk factor for the development of multiple chronic diseases as well as increased infection susceptibility and severity of diseases such as influenza and COVID-19. This increased disease risk is linked to changes in immune function during ageing termed immunosenescence. Age-related loss of immune function, particularly in adaptive responses against pathogens and immunosurveillance against cancer, is accompanied by a paradoxical gain of function of some aspects of immunity such as elevated inflammation and increased incidence of autoimmunity. Of the many factors that contribute to immunosenescence, DNA damage is emerging as a key candidate. In this review, we discuss the evidence supporting the hypothesis that DNA damage may be a central driver of immunosenescence through senescence of both immune cells and cells of non-haematopoietic lineages. We explore why DNA damage accumulates during ageing in a major cell type, T cells, and how this may drive age-related immune dysfunction. We further propose that existing immunosenescence interventions may act, at least in part, by mitigating DNA damage and restoring DNA repair processes (which we term "genoprotection"). As such, we propose additional treatments on the basis of their evidence for genoprotection, and further suggest that this approach may provide a viable therapeutic strategy for improving immunity in older people.
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Affiliation(s)
- Loren Kell
- Department of Biochemistry, University of Oxford, Oxford, United Kingdom
- Botnar Institute for Musculoskeletal Sciences, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, United Kingdom
- The Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, United Kingdom
| | - Anna Katharina Simon
- The Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, United Kingdom
- Max Delbrück Center for Molecular Medicine, Berlin, Germany
| | - Ghada Alsaleh
- Botnar Institute for Musculoskeletal Sciences, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, United Kingdom
- The Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, United Kingdom
| | - Lynne S. Cox
- Department of Biochemistry, University of Oxford, Oxford, United Kingdom
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32
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Laphanuwat P, Gomes DCO, Akbar AN. Senescent T cells: Beneficial and detrimental roles. Immunol Rev 2023; 316:160-175. [PMID: 37098109 PMCID: PMC10952287 DOI: 10.1111/imr.13206] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/20/2023] [Accepted: 04/01/2023] [Indexed: 04/27/2023]
Abstract
As the thymus involutes during aging, the T-cell pool has to be maintained by the periodic expansion of preexisting T cells during adulthood. A conundrum is that repeated episodes of activation and proliferation drive the differentiation of T cells toward replicative senescence, due to telomere erosion. This review discusses mechanisms that regulate the end-stage differentiation (senescence) of T cells. Although these cells, within both CD4 and CD8 compartments, lose proliferative activity after antigen-specific challenge, they acquire innate-like immune function. While this may confer broad immune protection during aging, these senescent T cells may also cause immunopathology, especially in the context of excessive inflammation in tissue microenvironments.
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Affiliation(s)
- Phatthamon Laphanuwat
- Division of MedicineUniversity College LondonLondonUK
- Department of PharmacologyFaculty of Medicine, Khon Kaen UniversityKhon KaenThailand
| | - Daniel Claudio Oliveira Gomes
- Division of MedicineUniversity College LondonLondonUK
- Núcleo de Doenças InfecciosasUniversidade Federal do Espírito SantoVitoriaBrazil
- Núcleo de BiotecnologiaUniversidade Federal do Espírito SantoVitoriaBrazil
| | - Arne N. Akbar
- Division of MedicineUniversity College LondonLondonUK
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33
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Guo B, Yang F, Zhang L, Zhao Q, Wang W, Yin L, Chen D, Wang M, Han S, Xiao H, Xing N. Cuproptosis Induced by ROS Responsive Nanoparticles with Elesclomol and Copper Combined with αPD-L1 for Enhanced Cancer Immunotherapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2212267. [PMID: 36916030 DOI: 10.1002/adma.202212267] [Citation(s) in RCA: 81] [Impact Index Per Article: 81.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/19/2023] [Indexed: 06/02/2023]
Abstract
Cuproptosis is a new cell death that depends on copper (Cu) ionophores to transport Cu into cancer cells, which induces cell death. However, existing Cu ionophores are small molecules with a short blood half-life making it hard to transport enough Cu into cancer cells. Herein, a reactive oxygen species (ROS)-sensitive polymer (PHPM) is designed, which is used to co-encapsulate elesclomol (ES) and Cu to form nanoparticles (NP@ESCu). After entering cancer cells, ES and Cu, triggered by excessive intracellular ROS, are readily released. ES and Cu work in a concerted way to not only kill cancer cells by cuproptosis, but also induce immune responses. In vitro, the ability of NP@ESCu to efficiently transport Cu and induce cuproptosis is investigated. In addition, the change in the transcriptomes of cancer cells treated with NP@ESCu is explored by RNA-Seq. In vivo, NP@ESCu is found to induce cuproptosis in the mice model with subcutaneous bladder cancer, reprograming the tumor microenvironment. Additionally, NP@ESCu is further combined with anti-programmed cell death protein ligand-1 antibody (αPD-L1). This study provides the first report of combining nanomedicine that can induce cuproptosis with αPD-L1 for enhanced cancer therapy, thereby providing a novel strategy for future cancer therapy.
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Affiliation(s)
- Boda Guo
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Feiya Yang
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Lingpu Zhang
- Beijing National Laboratory for Molecular Sciences, Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Qinxin Zhao
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Wenkuan Wang
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Lu Yin
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Dong Chen
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Mingshuai Wang
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Sujun Han
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Haihua Xiao
- Beijing National Laboratory for Molecular Sciences, Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Nianzeng Xing
- Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- Department of Urology, Shanxi Province Cancer Hospital/Shanxi Hospital Affiliated to Cancer Hospital, Chinese Academy of Medical Sciences/Cancer Hospital Affiliated to Shanxi Medical University, Taiyuan, 030013, China
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34
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Zhang X, Tong G. Antigen-presenting cells maintain T cells proliferation through vesicle transfer of telomeres: A new approach to telomere extension. MedComm (Beijing) 2023; 4:e270. [PMID: 37284584 PMCID: PMC10239530 DOI: 10.1002/mco2.270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 04/08/2023] [Accepted: 04/16/2023] [Indexed: 06/08/2023] Open
Affiliation(s)
- Xiaorui Zhang
- Department of Reproductive MedicineThe First Affiliated Hospital of Xi'an Jiaotong UniversityShaanxiPeople's Republic of China
| | - Guoqing Tong
- Department of Reproductive MedicineThe First Affiliated Hospital of Xi'an Jiaotong UniversityShaanxiPeople's Republic of China
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35
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Raposo G, Stahl PD. Extracellular vesicles - on the cusp of a new language in the biological sciences. EXTRACELLULAR VESICLES AND CIRCULATING NUCLEIC ACIDS 2023; 4:240-254. [PMID: 38288044 PMCID: PMC10824536 DOI: 10.20517/evcna.2023.18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
Extracellular vesicles (EVs) play a key role both in physiological balance and homeostasis and in disease processes through their ability to participate in intercellular signaling and communication. An ever-expanding knowledge pool and a myriad of functional properties ascribed to EVs point to a new language of communication in biological systems that has opened a path for the discovery and implementation of novel diagnostic applications. EVs originate in the endosomal network and via non-random shedding from the plasma membrane by mechanisms that allow the packaging of functional cargoes, including proteins, lipids, and genetic materials. Deciphering the molecular mechanisms that govern packaging, secretion and targeted delivery of extracellular vesicle-borne cargo will be required to establish EVs as important signaling entities, especially when ascribing functional properties to a heterogeneous population of vesicles. Several molecular cascades operate within the endosomal network and at the plasma membrane that recognize and segregate cargos as a prelude to vesicle budding and release. EVs are transferred between cells and operate as vehicles in biological fluids within tissues and within the microenvironment where they are responsible for short- and long-range targeted information. In this review, we focus on the remarkable capacity of EVs to establish a dialogue between cells and within tissues, often operating in parallel to the endocrine system, we highlight selected examples of past and recent studies on the functions of EVs in health and disease.
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Affiliation(s)
- Graca Raposo
- Institut Curie, PSL Research University, CNRS, UMR144, Structure and Membrane Compartments, Paris 75005, France
| | - Philip D. Stahl
- Department of Cell Biology and Physiology, Washington University School of Medicine, St Louis, MO 63110, USA
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36
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Greening DW, Xu R, Ale A, Hagemeyer CE, Chen W. Extracellular vesicles as next generation immunotherapeutics. Semin Cancer Biol 2023; 90:73-100. [PMID: 36773820 DOI: 10.1016/j.semcancer.2023.02.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 02/11/2023]
Abstract
Extracellular vesicles (EVs) function as a mode of intercellular communication and molecular transfer to elicit diverse biological/functional response. Accumulating evidence has highlighted that EVs from immune, tumour, stromal cells and even bacteria and parasites mediate the communication of various immune cell types to dynamically regulate host immune response. EVs have an innate capacity to evade recognition, transport and transfer functional components to target cells, with subsequent removal by the immune system, where the immunological activities of EVs impact immunoregulation including modulation of antigen presentation and cross-dressing, immune activation, immune suppression, and immune surveillance, impacting the tumour immune microenvironment. In this review, we outline the recent progress of EVs in immunorecognition and therapeutic intervention in cancer, including vaccine and targeted drug delivery and summarise their utility towards clinical translation. We highlight the strategies where EVs (natural and engineered) are being employed as a therapeutic approach for immunogenicity, tumoricidal function, and vaccine development, termed immuno-EVs. With seminal studies providing significant progress in the sequential development of engineered EVs as therapeutic anti-tumour platforms, we now require direct assessment to tune and improve the efficacy of resulting immune responses - essential in their translation into the clinic. We believe such a review could strengthen our understanding of the progress in EV immunobiology and facilitate advances in engineering EVs for the development of novel EV-based immunotherapeutics as a platform for cancer treatment.
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Affiliation(s)
- David W Greening
- Molecular Proteomics, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia; Baker Department of Cardiovascular Research, Translation and Implementation, Australia; Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe University, Victoria, Australia; Central Clinical School, Monash University, Victoria, Australia; Baker Department of Cardiometabolic Health, University of Melbourne, Victoria, Australia.
| | - Rong Xu
- Central Clinical School, Monash University, Victoria, Australia; Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Anukreity Ale
- Central Clinical School, Monash University, Victoria, Australia; Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Christoph E Hagemeyer
- Central Clinical School, Monash University, Victoria, Australia; Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Weisan Chen
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe University, Victoria, Australia
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37
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Soto-Heredero G, Gómez de Las Heras MM, Escrig-Larena JI, Mittelbrunn M. Extremely Differentiated T Cell Subsets Contribute to Tissue Deterioration During Aging. Annu Rev Immunol 2023; 41:181-205. [PMID: 37126417 DOI: 10.1146/annurev-immunol-101721-064501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
There is a dramatic remodeling of the T cell compartment during aging. The most notorious changes are the reduction of the naive T cell pool and the accumulation of memory-like T cells. Memory-like T cells in older people acquire a phenotype of terminally differentiated cells, lose the expression of costimulatory molecules, and acquire properties of senescent cells. In this review, we focus on the different subsets of age-associated T cells that accumulate during aging. These subsets include extremely cytotoxic T cells with natural killer properties, exhausted T cells with altered cytokine production, and regulatory T cells that gain proinflammatory features. Importantly, all of these subsets lose their lymph node homing capacity and migrate preferentially to nonlymphoid tissues, where they contribute to tissue deterioration and inflammaging.
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Affiliation(s)
- Gonzalo Soto-Heredero
- Homeostasis de Tejidos y Órganos, Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas (CSIC) and Universidad Autónoma de Madrid, Madrid, Spain
- Departamento de Biología Molecular, Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, Spain;
- Instituto de Investigación Sanitaria del Hospital 12 de Octubre, Madrid, Spain
| | - Manuel M Gómez de Las Heras
- Homeostasis de Tejidos y Órganos, Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas (CSIC) and Universidad Autónoma de Madrid, Madrid, Spain
- Departamento de Biología Molecular, Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, Spain;
- Instituto de Investigación Sanitaria del Hospital 12 de Octubre, Madrid, Spain
| | - J Ignacio Escrig-Larena
- Homeostasis de Tejidos y Órganos, Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas (CSIC) and Universidad Autónoma de Madrid, Madrid, Spain
- Departamento de Biología Molecular, Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, Spain;
| | - María Mittelbrunn
- Homeostasis de Tejidos y Órganos, Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas (CSIC) and Universidad Autónoma de Madrid, Madrid, Spain
- Instituto de Investigación Sanitaria del Hospital 12 de Octubre, Madrid, Spain
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Song C, Zhou Y, Cheng K, Liu F, Cai W, Zhou D, Chen R, Shi H, Fu Z, Chen J, Liu Z. Cellular senescence - Molecular mechanisms of intervertebral disc degeneration from an immune perspective. Biomed Pharmacother 2023; 162:114711. [PMID: 37084562 DOI: 10.1016/j.biopha.2023.114711] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 04/23/2023] Open
Abstract
Intervertebral disc degeneration (IVDD) is a frequent and intractable chronic condition in orthopedics that causes enormous discomfort in patients' lives and thoughts, as well as a significant economic burden on society and the nation. As a result, understanding the pathophysiology of IVDD is critical. The pathophysiology of IVDD has been linked to numerous variables, including oxidative stress, apoptosis, matrix metalloproteinases, and inflammatory factors. Cellular senescence has recently attracted a lot of attention in the study of age-related diseases. It has been discovered that IVDD is intimately linked to human senescence, in which nucleus pulposus cell senescence may play a significant role. Previously, our group did a comprehensive and systematic clarification of the pathogenesis of IVDD from an immune perspective and discovered that the fundamental pathogenesis of IVDD is inflammatory upregulation and nucleus pulposus cell death caused by an imbalance in the immune microenvironment. In this review, we will treat nucleus pulposus cell senescence as a novelty point to clarify the pathophysiology of IVDD and further explore the probable relationship between senescence and immunity along with the dysregulation of the immunological microenvironment to propose new therapeutic approaches for IVDD.
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Affiliation(s)
- Chao Song
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Yan Zhou
- Luzhou Longmatan District People's Hospital, Luzhou 646000, Sichuan Province, China
| | - Kang Cheng
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Fei Liu
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Weiye Cai
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Daqian Zhou
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Rui Chen
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China
| | - Houyin Shi
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China.
| | - Zhijiang Fu
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China.
| | - Jingwen Chen
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China.
| | - Zongchao Liu
- Department of Orthopedics and Traumatology (Trauma and Bonesetting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, Sichuan, China; Luzhou Longmatan District People's Hospital, Luzhou 646000, Sichuan Province, China.
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Thomas M, Dubacq C, Rabut E, Lopez BS, Guirouilh-Barbat J. Noncanonical Roles of RAD51. Cells 2023; 12:cells12081169. [PMID: 37190078 DOI: 10.3390/cells12081169] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/07/2023] [Accepted: 04/12/2023] [Indexed: 05/17/2023] Open
Abstract
Homologous recombination (HR), an evolutionary conserved pathway, plays a paramount role(s) in genome plasticity. The pivotal HR step is the strand invasion/exchange of double-stranded DNA by a homologous single-stranded DNA (ssDNA) covered by RAD51. Thus, RAD51 plays a prime role in HR through this canonical catalytic strand invasion/exchange activity. The mutations in many HR genes cause oncogenesis. Surprisingly, despite its central role in HR, the invalidation of RAD51 is not classified as being cancer prone, constituting the "RAD51 paradox". This suggests that RAD51 exercises other noncanonical roles that are independent of its catalytic strand invasion/exchange function. For example, the binding of RAD51 on ssDNA prevents nonconservative mutagenic DNA repair, which is independent of its strand exchange activity but relies on its ssDNA occupancy. At the arrested replication forks, RAD51 plays several noncanonical roles in the formation, protection, and management of fork reversal, allowing for the resumption of replication. RAD51 also exhibits noncanonical roles in RNA-mediated processes. Finally, RAD51 pathogenic variants have been described in the congenital mirror movement syndrome, revealing an unexpected role in brain development. In this review, we present and discuss the different noncanonical roles of RAD51, whose presence does not automatically result in an HR event, revealing the multiple faces of this prominent actor in genomic plasticity.
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Affiliation(s)
- Mélissa Thomas
- INSERM U1016, UMR 8104 CNRS, Institut Cochin, Université de Paris Cité, 24 rue du Faubourg St. Jacques, F-75014 Paris, France
| | - Caroline Dubacq
- Institut de Biologie Paris Seine, IBPS, Neuroscience Paris Seine, NPS, INSERM, CNRS, Sorbonne Université, F-75005 Paris, France
| | - Elise Rabut
- INSERM U1016, UMR 8104 CNRS, Institut Cochin, Université de Paris Cité, 24 rue du Faubourg St. Jacques, F-75014 Paris, France
| | - Bernard S Lopez
- INSERM U1016, UMR 8104 CNRS, Institut Cochin, Université de Paris Cité, 24 rue du Faubourg St. Jacques, F-75014 Paris, France
| | - Josée Guirouilh-Barbat
- INSERM U1016, UMR 8104 CNRS, Institut Cochin, Université de Paris Cité, 24 rue du Faubourg St. Jacques, F-75014 Paris, France
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Polyakova N, Kalashnikova M, Belyavsky A. Non-Classical Intercellular Communications: Basic Mechanisms and Roles in Biology and Medicine. Int J Mol Sci 2023; 24:ijms24076455. [PMID: 37047428 PMCID: PMC10095225 DOI: 10.3390/ijms24076455] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
In multicellular organisms, interactions between cells and intercellular communications form the very basis of the organism’s survival, the functioning of its systems, the maintenance of homeostasis and adequate response to the environment. The accumulated experimental data point to the particular importance of intercellular communications in determining the fate of cells, as well as their differentiation and plasticity. For a long time, it was believed that the properties and behavior of cells were primarily governed by the interactions of secreted or membrane-bound ligands with corresponding receptors, as well as direct intercellular adhesion contacts. In this review, we describe various types of other, non-classical intercellular interactions and communications that have recently come into the limelight—in particular, the broad repertoire of extracellular vesicles and membrane protrusions. These communications are mediated by large macromolecular structural and functional ensembles, and we explore here the mechanisms underlying their formation and present current data that reveal their roles in multiple biological processes. The effects mediated by these new types of intercellular communications in normal and pathological states, as well as therapeutic applications, are also discussed. The in-depth study of novel intercellular interaction mechanisms is required for the establishment of effective approaches for the control and modification of cell properties both for basic research and the development of radically new therapeutic strategies.
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Affiliation(s)
- Natalia Polyakova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia
| | - Maria Kalashnikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia
- Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Butlerova 5A, 117485 Moscow, Russia
| | - Alexander Belyavsky
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia
- Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Butlerova 5A, 117485 Moscow, Russia
- Correspondence:
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41
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Longitudinal telomere dynamics within natural lifespans of a wild bird. Sci Rep 2023; 13:4272. [PMID: 36922555 PMCID: PMC10017829 DOI: 10.1038/s41598-023-31435-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 03/11/2023] [Indexed: 03/17/2023] Open
Abstract
Telomeres, the nucleotide sequences that protect the ends of eukaryotic chromosomes, shorten with each cell division and telomere loss may be influenced by environmental factors. Telomere length (TL) decreases with age in several species, but little is known about the sources of genetic and environmental variation in the change in TL (∆TL) in wild animals. In this study, we tracked changes in TL throughout the natural lifespan (from a few months to almost 9 years) of free-living house sparrows (Passer domesticus) in two different island populations. TL was measured in nestlings and subsequently up to four times during their lifetime. TL generally decreased with age (senescence), but we also observed instances of telomere lengthening within individuals. We found some evidence for selective disappearance of individuals with shorter telomeres through life. Early-life TL positively predicted later-life TL, but the within-individual repeatability in TL was low (9.2%). Using genetic pedigrees, we found a moderate heritability of ∆TL (h2 = 0.21), which was higher than the heritabilities of early-life TL (h2 = 0.14) and later-life TL measurements (h2 = 0.15). Cohort effects explained considerable proportions of variation in early-life TL (60%), later-life TL (53%), and ∆TL (37%), which suggests persistent impacts of the early-life environment on lifelong telomere dynamics. Individual changes in TL were independent of early-life TL. Finally, there was weak evidence for population differences in ∆TL that may be linked to ecological differences in habitat types. Combined, our results show that individual telomere biology is highly dynamic and influenced by both genetic and environmental variation in natural conditions.
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New mechanism to promote long-term T-cell immunity by telomere transfer from antigen-presenting cells. Cell Mol Immunol 2023; 20:117-118. [PMID: 36400982 PMCID: PMC9886984 DOI: 10.1038/s41423-022-00949-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 11/01/2022] [Indexed: 11/19/2022] Open
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Lanna A, D'Ambra C. Detection of Telomere Transfer at Immunological Synapse. Methods Mol Biol 2023; 2654:251-261. [PMID: 37106187 DOI: 10.1007/978-1-0716-3135-5_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Eukaryotes solve the DNA-end replication problem synthesizing hexameric chromosome ends known as telomeres. Recent studies have uncovered unexpected functions of telomeres in linking synaptic signaling and vesicle transport, with at least one pathway directly involved in transferring telomeres through the immune synapse. These emerging forms of cellular communication may originate a new class of antiaging interventions based on telomere transplants.
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44
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Chen Q, Lu L, Ma W. Efficacy, Safety, and Challenges of CAR T-Cells in the Treatment of Solid Tumors. Cancers (Basel) 2022; 14:cancers14235983. [PMID: 36497465 PMCID: PMC9739567 DOI: 10.3390/cancers14235983] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/18/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Immunotherapy has been the fifth pillar of cancer treatment in the past decade. Chimeric antigen receptor (CAR) T-cell therapy is a newly designed adoptive immunotherapy that is able to target and further eliminate cancer cells by engaging with MHC-independent tumor-antigens. CAR T-cell therapy has exhibited conspicuous clinical efficacy in hematological malignancies, but more than half of patients will relapse. Of note, the efficacy of CAR T-cell therapy has been even more disappointing in solid tumors. These challenges mainly include (1) the failures of CAR T-cells to treat highly heterogeneous solid tumors due to the difficulty in identifying unique tumor antigen targets, (2) the expression of target antigens in non-cancer cells, (3) the inability of CAR T-cells to effectively infiltrate solid tumors, (4) the short lifespan and lack of persistence of CAR T-cells, and (5) cytokine release syndrome and neurotoxicity. In combination with these characteristics, the ideal CAR T-cell therapy for solid tumors should maintain adequate T-cell response over a long term while sparing healthy tissues. This article reviewed the status, clinical application, efficacy, safety, and challenges of CAR T-cell therapies, as well as the latest progress of CAR T-cell therapies for solid tumors. In addition, the potential strategies to improve the efficacy of CAR T-cells and prevent side effects in solid tumors were also explored.
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Affiliation(s)
- Qiuqiang Chen
- Key Laboratory for Translational Medicine, The First Affiliated Hospital, Huzhou University School of Medicine, Huzhou 313000, China
| | - Lingeng Lu
- Department of Chronic Disease Epidemiology, School of Medicine, Yale School of Public Health, New Haven, CT 06520, USA
- Yale Cancer Center and Center for Biomedical Data Science, Yale University, 60 College Street, New Haven, CT 06520, USA
| | - Wenxue Ma
- Sanford Stem Cell Clinical Center, Moores Cancer Center, Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
- Correspondence: ; Tel.: +1-858-246-1477
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45
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Sanz-Ros J, Mas-Bargues C, Romero-García N, Huete-Acevedo J, Dromant M, Borrás C. Therapeutic Potential of Extracellular Vesicles in Aging and Age-Related Diseases. Int J Mol Sci 2022; 23:ijms232314632. [PMID: 36498960 PMCID: PMC9735639 DOI: 10.3390/ijms232314632] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022] Open
Abstract
Aging is associated with an alteration of intercellular communication. These changes in the extracellular environment contribute to the aging phenotype and have been linked to different aging-related diseases. Extracellular vesicles (EVs) are factors that mediate the transmission of signaling molecules between cells. In the aging field, these EVs have been shown to regulate important aging processes, such as oxidative stress or senescence, both in vivo and in vitro. EVs from healthy cells, particularly those coming from stem cells (SCs), have been described as potential effectors of the regenerative potential of SCs. Many studies with different animal models have shown promising results in the field of regenerative medicine. EVs are now viewed as a potential cell-free therapy for tissue damage and several diseases. Here we propose EVs as regulators of the aging process, with an important role in tissue regeneration and a raising therapy for age-related diseases.
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Affiliation(s)
- Jorge Sanz-Ros
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable-Instituto de Salud Carlos III (CIBERFES-ISCIII), INCLIVA, 46010 Valencia, Spain
- Cardiology Department, Hospital Universitari i Politècnic La Fe, 46026 Valencia, Spain
| | - Cristina Mas-Bargues
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable-Instituto de Salud Carlos III (CIBERFES-ISCIII), INCLIVA, 46010 Valencia, Spain
| | - Nekane Romero-García
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable-Instituto de Salud Carlos III (CIBERFES-ISCIII), INCLIVA, 46010 Valencia, Spain
| | - Javier Huete-Acevedo
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable-Instituto de Salud Carlos III (CIBERFES-ISCIII), INCLIVA, 46010 Valencia, Spain
| | - Mar Dromant
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable-Instituto de Salud Carlos III (CIBERFES-ISCIII), INCLIVA, 46010 Valencia, Spain
| | - Consuelo Borrás
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia, Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable-Instituto de Salud Carlos III (CIBERFES-ISCIII), INCLIVA, 46010 Valencia, Spain
- Correspondence:
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Idiopathic Pulmonary Fibrosis and Telomeres. J Clin Med 2022; 11:jcm11236893. [PMID: 36498467 PMCID: PMC9740997 DOI: 10.3390/jcm11236893] [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: 10/26/2022] [Revised: 11/10/2022] [Accepted: 11/19/2022] [Indexed: 11/24/2022] Open
Abstract
Idiopathic pulmonary fibrosis is an interstitial lung disease of unknown etiology with a highly compromised prognosis and a significant mortality rate within a few years of diagnosis. Despite being idiopathic, it has been shown that telomeric shortening could play an important role in its etiopathogenesis. Mutations in telomere-related genes have been identified, but they are not always present despite telomere shortening. On the other hand, this telomeric shortening has been linked to a worse prognosis of the disease independently of other clinical factors, implying it may serve as a biomarker.
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47
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Yegorov YE. Special Issue: "Telomerase: Role in Health and Aging". Biomedicines 2022; 10:biomedicines10112957. [PMID: 36428525 PMCID: PMC9687230 DOI: 10.3390/biomedicines10112957] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 11/07/2022] [Indexed: 11/19/2022] Open
Abstract
We would like to introduce the new volume: "Telomerase and Telomeres: Its Role in Health and Aging 2 [...].
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Affiliation(s)
- Yegor E Yegorov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
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48
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Bird L. Gift of life: APC to T cell telomere transfer. Nat Rev Immunol 2022; 22:653. [PMID: 36175503 DOI: 10.1038/s41577-022-00790-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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49
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Carey A, Niedernhofer L, Camell C. Telomeres are a life-extending gift. Nat Cell Biol 2022; 24:1449-1450. [PMID: 36168042 DOI: 10.1038/s41556-022-01004-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Anna Carey
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Laura Niedernhofer
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Christina Camell
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA.
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50
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Foley JF. Telomeres to go. Sci Signal 2022; 15:eade9136. [PMID: 36126117 DOI: 10.1126/scisignal.ade9136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
By acquiring telomeres from antigen-presenting cells, some T cells are protected from senescence.
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Affiliation(s)
- John F Foley
- Science Signaling, AAAS, Washington, DC 20005, USA.
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