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Xie J, Ou Y, Fu Q, Ye Z, Chen Y, Yang Z, Lin L, Wu Q, Wu D, Gan R, Wang J, Luo Q, Zeng K, Miao H. Taraxasterol exhibits dual biological effects on anti-aging and anti-cancer in lung cells. Am J Cancer Res 2024; 14:2755-2769. [PMID: 39005687 PMCID: PMC11236785 DOI: 10.62347/yltr8866] [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: 05/30/2024] [Indexed: 07/16/2024] Open
Abstract
As numerous countries around the world have entered an aging society currently, understanding the impact of aging on human health becomes critically important. Notably, aging is associated with increased prevalence of age-related diseases, with the lungs being particularly susceptible. Aging contributes to a decline in lung function, including respiratory disorders, inflammation, and oxidative stress. Therefore, it is a very important to identify and develop active substances that can mitigate lung cell aging. In current study, we evaluated the impact of Taraxasterol on lung cell senescence, showing that Taraxasterol can alleviate lung cell senescence, as evidenced by reductions in senescence-related marker molecules, including p16 and p21. Additionally, Taraxasterol was found to ameliorate inflammation and oxidative stress in lung cells. Further mechanistic studies indicated that Taraxasterol exerts anti-aging effects through the PGC1α/NRF1 signaling pathway in lung cell models. Since aging is also closely related to lung cancer, we also explored the potential anti-tumor effect of taraxasterol. Utilizing non-small cell lung cancer cells (NSCLC) as a model, we systematically study the anti-tumor effect of Taraxasterol both in vivo and in vitro. Our findings suggest that Taraxasterol exhibited anti-cancer effect through EGFR-mediated signaling. Taken together, Taraxasterol shows dual biological activities, offering promising anti-aging and anti-lung cancer benefits.
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Affiliation(s)
- Jianlong Xie
- Department of Thoracic Surgery, Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Yongfang Ou
- Pathological Diagnosis and Research Center, Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Qiujuan Fu
- Pathological Diagnosis and Research Center, Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Zhirong Ye
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Yonghua Chen
- Pathological Diagnosis and Research Center, Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Ziyi Yang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Liyao Lin
- Department of Thoracic Surgery, Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Qin Wu
- Department of Thoracic Surgery, Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Dong Wu
- Department of Thoracic Surgery, Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Rijian Gan
- Department of Thoracic Surgery, Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Junfeng Wang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Qinhui Luo
- Department of Thoracic Surgery, Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Kaiqi Zeng
- First Clinical College, Guangdong Medical University Zhanjiang 524000, Guangdong, China
| | - Huilai Miao
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Guangdong Medical University Zhanjiang 524000, Guangdong, China
- Key Laboratory of Liver Injury Diagnosis and Repair, Guangdong Medical University Zhanjiang 524000, Guangdong, China
- Department of General Surgery, Guangdong Medical University Liaobu Hospital Dongguan 523000, Guangdong, China
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2
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Tufail M, Huang YQ, Hu JJ, Liang J, He CY, Wan WD, Jiang CH, Wu H, Li N. Cellular Aging and Senescence in Cancer: A Holistic Review of Cellular Fate Determinants. Aging Dis 2024:AD.2024.0421. [PMID: 38913050 DOI: 10.14336/ad.2024.0421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Accepted: 05/21/2024] [Indexed: 06/25/2024] Open
Abstract
This comprehensive review navigates the complex relationship between cellular aging, senescence, and cancer, unraveling the determinants of cellular fate. Beginning with an overview of cellular aging's significance in cancer, the review explores processes, changes, and molecular pathways influencing senescence. The review explores senescence as a dual mechanism in cancer, acting as a suppressor and contributor, focusing on its impact on therapy response. This review highlights opportunities for cancer therapies that target cellular senescence. The review further examines the senescence-associated secretory phenotype and strategies to modulate cellular aging to influence tumor behavior. Additionally, the review highlights the mechanisms of senescence escape in aging and cancer cells, emphasizing their impact on cancer prognosis and resistance to therapy. The article addresses current advances, unexplored aspects, and future perspectives in understanding cellular aging and senescence in cancer.
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Affiliation(s)
- Muhammad Tufail
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Yu-Qi Huang
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Jia-Ju Hu
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Jie Liang
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Cai-Yun He
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Wen-Dong Wan
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Can-Hua Jiang
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Oral Precancerous Lesions, Central South University, Changsha, China
- Research Center of Oral and Maxillofacial Tumor, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Hong Wu
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, China
| | - Ning Li
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
- Institute of Oral Precancerous Lesions, Central South University, Changsha, China
- Research Center of Oral and Maxillofacial Tumor, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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3
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Suryadevara V, Hudgins AD, Rajesh A, Pappalardo A, Karpova A, Dey AK, Hertzel A, Agudelo A, Rocha A, Soygur B, Schilling B, Carver CM, Aguayo-Mazzucato C, Baker DJ, Bernlohr DA, Jurk D, Mangarova DB, Quardokus EM, Enninga EAL, Schmidt EL, Chen F, Duncan FE, Cambuli F, Kaur G, Kuchel GA, Lee G, Daldrup-Link HE, Martini H, Phatnani H, Al-Naggar IM, Rahman I, Nie J, Passos JF, Silverstein JC, Campisi J, Wang J, Iwasaki K, Barbosa K, Metis K, Nernekli K, Niedernhofer LJ, Ding L, Wang L, Adams LC, Ruiyang L, Doolittle ML, Teneche MG, Schafer MJ, Xu M, Hajipour M, Boroumand M, Basisty N, Sloan N, Slavov N, Kuksenko O, Robson P, Gomez PT, Vasilikos P, Adams PD, Carapeto P, Zhu Q, Ramasamy R, Perez-Lorenzo R, Fan R, Dong R, Montgomery RR, Shaikh S, Vickovic S, Yin S, Kang S, Suvakov S, Khosla S, Garovic VD, Menon V, Xu Y, Song Y, Suh Y, Dou Z, Neretti N. SenNet recommendations for detecting senescent cells in different tissues. Nat Rev Mol Cell Biol 2024:10.1038/s41580-024-00738-8. [PMID: 38831121 DOI: 10.1038/s41580-024-00738-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/15/2024] [Indexed: 06/05/2024]
Abstract
Once considered a tissue culture-specific phenomenon, cellular senescence has now been linked to various biological processes with both beneficial and detrimental roles in humans, rodents and other species. Much of our understanding of senescent cell biology still originates from tissue culture studies, where each cell in the culture is driven to an irreversible cell cycle arrest. By contrast, in tissues, these cells are relatively rare and difficult to characterize, and it is now established that fully differentiated, postmitotic cells can also acquire a senescence phenotype. The SenNet Biomarkers Working Group was formed to provide recommendations for the use of cellular senescence markers to identify and characterize senescent cells in tissues. Here, we provide recommendations for detecting senescent cells in different tissues based on a comprehensive analysis of existing literature reporting senescence markers in 14 tissues in mice and humans. We discuss some of the recent advances in detecting and characterizing cellular senescence, including molecular senescence signatures and morphological features, and the use of circulating markers. We aim for this work to be a valuable resource for both seasoned investigators in senescence-related studies and newcomers to the field.
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Affiliation(s)
- Vidyani Suryadevara
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University, School of Medicine, Stanford, CA, USA
| | - Adam D Hudgins
- Department of Obstetrics and Gynecology, Columbia University, New York, NY, USA
| | - Adarsh Rajesh
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Genome and Epigenetics Program, La Jolla, CA, USA
| | | | - Alla Karpova
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Amit K Dey
- National Institute on Aging, NIH, Baltimore, MD, USA
| | - Ann Hertzel
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
| | - Anthony Agudelo
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, RI, USA
- Center on the Biology of Aging, Brown University, Providence, RI, USA
| | - Azucena Rocha
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, RI, USA
- Center on the Biology of Aging, Brown University, Providence, RI, USA
| | - Bikem Soygur
- The Buck Institute for Research on Aging, Novato, CA, USA
| | | | - Chase M Carver
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
| | - Cristina Aguayo-Mazzucato
- Islet Cell Biology and Regenerative Medicine, Joslin Diabetes Center, Harvard Medical School, Boston, USA
| | - Darren J Baker
- Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
- Department of Biochemistry and Molecular Biology, Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA
| | - David A Bernlohr
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
| | - Diana Jurk
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | - Dilyana B Mangarova
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University, School of Medicine, Stanford, CA, USA
| | - Ellen M Quardokus
- Department of Intelligent Systems Engineering, Indiana University, Bloomington, IN, USA
| | | | - Elizabeth L Schmidt
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
| | - Feng Chen
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Francesca E Duncan
- The Buck Institute for Research on Aging, Novato, CA, USA
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | | | - Gagandeep Kaur
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - George A Kuchel
- UConn Center on Aging, University of Connecticut Health Center, Farmington, CT, USA
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT, USA
| | - Gung Lee
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
| | - Heike E Daldrup-Link
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University, School of Medicine, Stanford, CA, USA
| | - Helene Martini
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
| | - Hemali Phatnani
- New York Genome Center, New York, NY, USA
- Department of Neurology, Columbia University Irving Medical Center, New York, NY, USA
| | - Iman M Al-Naggar
- UConn Center on Aging, University of Connecticut Health Center, Farmington, CT, USA
| | - Irfan Rahman
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Jia Nie
- Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - João F Passos
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
| | - Jonathan C Silverstein
- Department of Biomedical Informatics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Judith Campisi
- The Buck Institute for Research on Aging, Novato, CA, USA
| | - Julia Wang
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Kanako Iwasaki
- Islet Cell Biology and Regenerative Medicine, Joslin Diabetes Center, Harvard Medical School, Boston, USA
| | - Karina Barbosa
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Genome and Epigenetics Program, La Jolla, CA, USA
| | - Kay Metis
- Department of Biomedical Informatics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Kerem Nernekli
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University, School of Medicine, Stanford, CA, USA
| | - Laura J Niedernhofer
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
| | - Li Ding
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Lichao Wang
- UConn Center on Aging, University of Connecticut Health Center, Farmington, CT, USA
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT, USA
| | - Lisa C Adams
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University, School of Medicine, Stanford, CA, USA
| | - Liu Ruiyang
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Madison L Doolittle
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
- Division of Endocrinology, Diabetes and Metabolism, Mayo Clinic, Rochester, MN, USA
| | - Marcos G Teneche
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Genome and Epigenetics Program, La Jolla, CA, USA
| | - Marissa J Schafer
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | - Ming Xu
- UConn Center on Aging, University of Connecticut Health Center, Farmington, CT, USA
- Department of Genetics and Genome Sciences, University of Connecticut Health Center, Farmington, CT, USA
| | - Mohammadjavad Hajipour
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University, School of Medicine, Stanford, CA, USA
| | | | | | - Nicholas Sloan
- Department of Neurology, Columbia University Medical Center, New York, NY, USA
| | - Nikolai Slavov
- Center on the Biology of Aging, Brown University, Providence, RI, USA
- Department of Bioengineering, Northeastern University, Boston, MA, USA
- Department of Biology, Northeastern University, Boston, MA, USA
- Barnett Institute for Chemical and Biological Analysis, Northeastern University, Boston, MA, USA
| | - Olena Kuksenko
- Department of Neurology, Columbia University Medical Center, New York, NY, USA
| | - Paul Robson
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
- Institute for Systems Genomics, University of Connecticut, Farmington, CT, USA
| | - Paul T Gomez
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
| | - Periklis Vasilikos
- Department of Genetics and Development, Columbia University, New York, NY, USA
| | - Peter D Adams
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Genome and Epigenetics Program, La Jolla, CA, USA
| | - Priscila Carapeto
- Islet Cell Biology and Regenerative Medicine, Joslin Diabetes Center, Harvard Medical School, Boston, USA
| | - Quan Zhu
- Center for Epigenomics, University of California, San Diego, CA, USA
| | | | | | - Rong Fan
- Yale-Center for Research on Aging, Yale School of Medicine, New Haven, CT, USA
| | - Runze Dong
- Department of Biochemistry, University of Washington, Seattle, WA, USA
- Graduate Program in Biological Physics, Structure and Design, University of Washington, Seattle, WA, USA
| | - Ruth R Montgomery
- Yale-Center for Research on Aging, Yale School of Medicine, New Haven, CT, USA
| | - Sadiya Shaikh
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Sanja Vickovic
- New York Genome Center, New York, NY, USA
- Herbert Irving Institute for Cancer Dynamics, Columbia University, New York, NY, USA
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
- Science for Life Laboratory, Department of Immunology, Genetics and Pathology, Beijer Laboratory for Gene and Neuro Research, Uppsala University, Uppsala, Sweden
| | - Shanshan Yin
- Sanford Burnham Prebys Medical Discovery Institute, Cancer Genome and Epigenetics Program, La Jolla, CA, USA
| | - Shoukai Kang
- Department of Biochemistry, University of Washington, Seattle, WA, USA
| | - Sonja Suvakov
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
| | - Sundeep Khosla
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
- Division of Endocrinology, Diabetes and Metabolism, Mayo Clinic, Rochester, MN, USA
| | - Vesna D Garovic
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, USA
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
| | - Vilas Menon
- Department of Neurology, Columbia University Irving Medical Center, New York, NY, USA
- Center for Translational and Computational Neuroimmunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Yanxin Xu
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Yizhe Song
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Yousin Suh
- Department of Obstetrics and Gynecology, Columbia University, New York, NY, USA
- Department of Genetics and Development, Columbia University, New York, NY, USA
| | - Zhixun Dou
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Nicola Neretti
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, RI, USA.
- Center on the Biology of Aging, Brown University, Providence, RI, USA.
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Cheng PP, Yu F, Chen SJ, Feng X, Jia ZH, Hu SH, Cui XL, Zhou YY, Niu Q, Liang LM, Wang M, Song LJ, He XL, Xiong L, Xiang F, Wang X, Ma WL, Ye H. PM2.5 exposure-induced senescence-associated secretory phenotype in airway smooth muscle cells contributes to airway remodeling. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 347:123674. [PMID: 38458517 DOI: 10.1016/j.envpol.2024.123674] [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: 10/16/2023] [Revised: 02/25/2024] [Accepted: 02/27/2024] [Indexed: 03/10/2024]
Abstract
Fine particulate matter (PM2.5) has been linked to increased severity and incidence of airway diseases, especially chronic obstructive pulmonary disease (COPD) and asthma. Airway remodeling is an important event in both COPD and asthma, and airway smooth muscle cells (ASMCs) are key cells which directly involved in airway remodeling. However, it was unclear how PM2.5 affected ASMCs. This study investigates the effects of PM2.5 on airway smooth muscle and its mechanism. We first showed that inhaled particulate matter was distributed in the airway smooth muscle bundle, combined with increased airway smooth muscle bundle and collagen deposition in vivo. Then, we demonstrated that PM2.5 induced up-regulation of collagen-I and alpha-smooth muscle actin (α-SMA) expression in rat and human ASMCs in vitro. Next, we found PM2.5 led to rat and human ASMCs senescence and exhibited senescence-associated secretory phenotype (SASP) by autophagy-induced GATA4/TRAF6/NF-κB signaling, which contributed to collagen-I and α-SMA synthesis as well as airway smooth muscle remodeling. Together, our results provided evidence that SASP induced by PM2.5 in airway smooth muscle cells prompted airway remodeling.
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Affiliation(s)
- Pei-Pei Cheng
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Fan Yu
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Shuai-Jun Chen
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiao Feng
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Zi-Heng Jia
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Shi-He Hu
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiao-Lin Cui
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ya-Ya Zhou
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qian Niu
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Li-Mei Liang
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Meng Wang
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Lin-Jie Song
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Xin-Liang He
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Liang Xiong
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Fei Xiang
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Xiaorong Wang
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Wan-Li Ma
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Hong Ye
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China.
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5
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Jia H, Chang Y, Chen Y, Chen X, Zhang H, Hua X, Xu M, Sheng Y, Zhang N, Cui H, Han L, Zhang J, Fu X, Song J. A single-cell atlas of lung homeostasis reveals dynamic changes during development and aging. Commun Biol 2024; 7:427. [PMID: 38589700 PMCID: PMC11001898 DOI: 10.1038/s42003-024-06111-x] [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: 08/08/2023] [Accepted: 03/26/2024] [Indexed: 04/10/2024] Open
Abstract
Aging is a global challenge, marked in the lungs by function decline and structural disorders, which affects the health of the elderly population. To explore anti-aging strategies, we develop a dynamic atlas covering 45 cell types in human lungs, spanning from embryonic development to aging. We aim to apply the discoveries of lung's development to address aging-related issues. We observe that both epithelial and immune cells undergo a process of acquisition and loss of essential function as they transition from development to aging. During aging, we identify cellular phenotypic alternations that result in reduced pulmonary compliance and compromised immune homeostasis. Furthermore, we find a distinctive expression pattern of the ferritin light chain (FTL) gene, which increases during development but decreases in various types of lung cells during the aging process.
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Affiliation(s)
- Hao Jia
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuan Chang
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yulin Chen
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Department of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Xiao Chen
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hang Zhang
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiumeng Hua
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Mengda Xu
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yixuan Sheng
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ningning Zhang
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hao Cui
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lei Han
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Department of General Surgery, Yanan Hospital, Kunming Medical University, Kunming, China
| | - Jian Zhang
- Thoracic Surgery Department, the third affiliated hospital of Sun Yat-sen University, Sun Yat-sen University, Guangzhou, China.
| | - Xiaodong Fu
- Department of Cardiology, Guangzhou Institute of Cardiovascular Disease, Guangdong Key Laboratory of Vascular Diseases, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
| | - Jiangping Song
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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6
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Liu Z, Zhang Y, Li D, Fu J. Cellular senescence in chronic lung diseases from newborns to the elderly: An update literature review. Biomed Pharmacother 2024; 173:116463. [PMID: 38503240 DOI: 10.1016/j.biopha.2024.116463] [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: 12/06/2023] [Revised: 03/11/2024] [Accepted: 03/15/2024] [Indexed: 03/21/2024] Open
Abstract
The role of cellular senescence in age-related diseases has been fully recognized. In various age-related-chronic lung diseases, the function of alveolar epithelial cells (AECs) is impaired and alveolar regeneration disorders, especially in bronchopulmonary dysplasia,pulmonary fibrosis (PF), chronic obstructive pulmonary disease (COPD), cancer, etc. Except for age-related-chronic lung diseases, an increasing number of studies are exploring the role of cellular senescence in developmental chronic lung diseases, which typically originate in childhood and even in the neonatal period. This review provides an overview of cellular senescence and lung diseases from newborns to the elderly, attempting to draw attention to the relationship between cellular senescence and developmental lung diseases.
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Affiliation(s)
- Ziyun Liu
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China
| | - Yiqi Zhang
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China
| | - Danni Li
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China.
| | - Jianhua Fu
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China.
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7
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Zhang X, Xiao YL, Shi X, Shi HL, Dong ZX, Tang CD. The role of cellular senescence-related genes in Asthma: Insights from bioinformatics and animal experiments. Int Immunopharmacol 2024; 130:111770. [PMID: 38430806 DOI: 10.1016/j.intimp.2024.111770] [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: 11/27/2023] [Revised: 02/17/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024]
Abstract
BACKGROUND Asthma is a heterogeneous chronic respiratory disease, affecting about 10% of the global population. Cellular senescence is a multifaceted phenomenon defined as the irreversible halt of the cell cycle, commonly referred to as the senescence-associated secretory phenotype. Recent studies suggest that cellular senescence may play a role in asthma. This study aims to dissect the role and biological mechanisms of CSRGs in asthma, enhancing our understanding of the progression of asthma. METHODS The study utilized the GSE147878 dataset, employing methods like WGCNA, Differential analysis, Cibersort, GO, KEGG, unsupervised clustering, and GSVA to explore CSRGs functions and immune cell patterns in asthma. Machine learning identified key diagnostic genes, validated externally with the GSE165934 dataset and through qRT-PCR and WB experiments in animal models. RESULT From the GSE147878 dataset, 24 CSRGs were identified, highlighting their role in immune and inflammatory processes in asthma. Differences in CD4 naive T cells and activated dendritic cells between asthma and control groups underscored CSRGs' role in immune regulation. Cluster analysis revealed two distinct asthma patient groups with unique immune microenvironments. Machine learning identified five genes, leading to a TF-miRNA-mRNA network and singling out RHOA and RBM39 as key diagnostic genes, which were experimentally validated. Finally, a nomogram was created based on these genes. CONCLUSION This study, utilizing bioinformatics and animal experiments, identified RHOA and RBM39 as key diagnostic genes for asthma, providing new insights into the potential role and biological mechanisms of CSRGs in asthma.
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Affiliation(s)
- Xiang Zhang
- Henan Provincial Engineering Laboratory of Insect Bio-reactor, Henan International Joint Laboratory of Insect Biology and Henan Key Laboratory of Insect Biology in Funiu Mountain, Nanyang Normal University, 1638 Wolong Road, Nanyang, Henan 473061, People's Republic of China; College of Life Science and Agricultural Engineering, Nanyang Normal University, Nanyang 473061, People's Republic of China
| | - Ya-Li Xiao
- College of Life Science and Agricultural Engineering, Nanyang Normal University, Nanyang 473061, People's Republic of China
| | - Xin Shi
- Department of College English Teaching and Studies, Nanyang Normal University, Nanyang, 473061, People's Republic of China
| | - Hong-Ling Shi
- Henan Provincial Engineering Laboratory of Insect Bio-reactor, Henan International Joint Laboratory of Insect Biology and Henan Key Laboratory of Insect Biology in Funiu Mountain, Nanyang Normal University, 1638 Wolong Road, Nanyang, Henan 473061, People's Republic of China; College of Life Science and Agricultural Engineering, Nanyang Normal University, Nanyang 473061, People's Republic of China
| | - Zi-Xing Dong
- Henan Provincial Engineering Laboratory of Insect Bio-reactor, Henan International Joint Laboratory of Insect Biology and Henan Key Laboratory of Insect Biology in Funiu Mountain, Nanyang Normal University, 1638 Wolong Road, Nanyang, Henan 473061, People's Republic of China; College of Life Science and Agricultural Engineering, Nanyang Normal University, Nanyang 473061, People's Republic of China
| | - Cun-Duo Tang
- Henan Provincial Engineering Laboratory of Insect Bio-reactor, Henan International Joint Laboratory of Insect Biology and Henan Key Laboratory of Insect Biology in Funiu Mountain, Nanyang Normal University, 1638 Wolong Road, Nanyang, Henan 473061, People's Republic of China; College of Life Science and Agricultural Engineering, Nanyang Normal University, Nanyang 473061, People's Republic of China.
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8
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Wan Y, Fu J. GDF15 as a key disease target and biomarker: linking chronic lung diseases and ageing. Mol Cell Biochem 2024; 479:453-466. [PMID: 37093513 PMCID: PMC10123484 DOI: 10.1007/s11010-023-04743-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 04/12/2023] [Indexed: 04/25/2023]
Abstract
Growth differentiation factor 15 (GDF15), a member of the transforming growth factor-beta superfamily, is expressed in several human organs. In particular, it is highly expressed in the placenta, prostate, and liver. The expression of GDF15 increases under cellular stress and pathological conditions. Although numerous transcription factors directly up-regulate the expression of GDF15, the receptors and downstream mediators of GDF15 signal transduction in most tissues have not yet been determined. Glial cell-derived neurotrophic factor family receptor α-like protein was recently identified as a specific receptor that plays a mediating role in anorexia. However, the specific receptors of GDF15 in other tissues and organs remain unclear. As a marker of cell stress, GDF15 appears to exert different effects under different pathological conditions. Cell senescence may be an important pathogenetic process and could be used to assess the progression of various lung diseases, including COVID-19. As a key member of the senescence-associated secretory phenotype protein repertoire, GDF15 seems to be associated with mitochondrial dysfunction, although the specific molecular mechanism linking GDF15 expression with ageing remains to be elucidated. Here, we focus on research progress linking GDF15 expression with the pathogenesis of various chronic lung diseases, including neonatal bronchopulmonary dysplasia, idiopathic pulmonary fibrosis, chronic obstructive pulmonary disease, and pulmonary hypertension, suggesting that GDF15 may be a key biomarker for diagnosis and prognosis. Thus, in this review, we aimed to provide new insights into the molecular biological mechanism and emerging clinical data associated with GDF15 in lung-related diseases, while highlighting promising research and clinical prospects.
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Affiliation(s)
- Yang Wan
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jianhua Fu
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, China.
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9
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de Godoy MCX, Macedo JA, Gambero A. Researching New Drug Combinations with Senolytic Activity Using Senescent Human Lung Fibroblasts MRC-5 Cell Line. Pharmaceuticals (Basel) 2024; 17:70. [PMID: 38256903 PMCID: PMC10818379 DOI: 10.3390/ph17010070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/10/2023] [Accepted: 11/24/2023] [Indexed: 01/24/2024] Open
Abstract
Therapeutically targeting senescent cells seems to be an interesting perspective in treating chronic lung diseases, which are often associated with human aging. The combination of the drug dasatinib and the polyphenol quercetin is used in clinical trials as a senolytic, and the first results point to the relief of physical dysfunction in patients with idiopathic pulmonary fibrosis. In this work, we tested new combinations of drugs and polyphenols, looking for senolytic activity using human lung fibroblasts (MRC-5 cell line) with induced senescence. We researched drugs, such as azithromycin, rapamycin, metformin, FK-506, aspirin, and dasatinib combined with nine natural polyphenols, namely caffeic acid, chlorogenic acid, ellagic acid, ferulic acid, gallic acid, epicatechin, hesperidin, quercetin, and resveratrol. We found new effective senolytic combinations with dasatinib and ellagic acid and dasatinib and resveratrol. Both drug combinations increased apoptosis, reduced BCL-2 expression, and increased caspase activity in senescent MRC-5 cells. Ellagic acid senolytic activity was more potent than quercetin, and resveratrol counteracted inflammatory cytokine release during senolysis in vitro. In conclusion, dasatinib and ellagic acid and dasatinib and resveratrol present in vitro senolytic potential like that observed for the combination in clinical trials of dasatinib and quercetin, and maybe they could be future alternatives in the senotherapeutic field.
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Affiliation(s)
- Maria Carolina Ximenes de Godoy
- School for Life Sciences, Pontifical Catholic University of Campinas (PUC-Campinas), Av. John Boyd Dunlop, s/n, Campinas 13034-685, SP, Brazil;
| | - Juliana Alves Macedo
- Department of Food and Nutrition, School of Food Engineering, State University of Campinas, Campinas 13083-862, SP, Brazil;
| | - Alessandra Gambero
- School for Life Sciences, Pontifical Catholic University of Campinas (PUC-Campinas), Av. John Boyd Dunlop, s/n, Campinas 13034-685, SP, Brazil;
- Department of Food and Nutrition, School of Food Engineering, State University of Campinas, Campinas 13083-862, SP, Brazil;
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10
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Jang S, Lee H, Park J, Cha SR, Lee J, Park Y, Jang SH, Park JR, Hong SH, Yang SR. PTD-FGF2 Attenuates Elastase Induced Emphysema in Mice and Alveolar Epithelial Cell Injury. COPD 2023; 20:109-118. [PMID: 36882376 DOI: 10.1080/15412555.2023.2174842] [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: 03/09/2023]
Abstract
Aberrant communication in alveolar epithelium is a major feature of inflammatory response for the airway remodeling leading to chronic obstructive pulmonary disease (COPD). In this study, we investigated the effect of protein transduction domains (PTD) conjugated Basic Fibroblast Growth Factor (FGF2) (PTD-FGF2) in response to cigarette smoke extract (CSE) in MLE-12 cells and porcine pancreatic elastase (PPE)-induced emphysematous mice. When PPE-induced mice were intraperitoneally treated with 0.1-0.5 mg/kg PTD-FGF2 or FGF2, the linear intercept, infiltration of inflammatory cells into alveoli and pro-inflammatory cytokines were significantly decreased. In western blot analysis, phosphorylated protein levels of c-Jun N-terminal Kinase 1/2 (JNK1/2), extracellular signal-regulated kinase (ERK1/2) and p38 mitogen-activated protein kinases (MAPK) were decreased in PPE-induced mice treated PTD-FGF2. In MLE-12 cells, PTD-FGF2 treatment decreased reactive oxygen species (ROS) production and further decreased Interleukin-6 (IL-6) and IL-1b cytokines in response to CSE. In addition, phosphorylated protein levels of ERK1/2, JNK1/2 and p38 MAPK were reduced. We next determined microRNA expression in the isolated exosomes of MLE-12 cells. In reverse transcription-polymerase chain reaction (RT-PCR) analysis, level of let-7c miRNA was significantly increased while levels of miR-9 and miR-155 were decreased in response to CSE. These data suggest that PTD-FGF2 treatment plays a protective role in regulation of let-7c, miR-9 and miR-155 miRNA expressions and MAPK signaling pathways in CSE-induced MLE-12 cells and PPE-induced emphysematous mice.
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Affiliation(s)
- Soojin Jang
- Department of Medicine, Kangwon National University, Chuncheon, Gangwon, Republic of Korea
| | - Hanbyeol Lee
- Department of Medicine, Kangwon National University, Chuncheon, Gangwon, Republic of Korea
| | - Jaehyun Park
- Department of Medicine, Kangwon National University, Chuncheon, Gangwon, Republic of Korea
| | - Sang-Ryul Cha
- Department of Medicine, Kangwon National University, Chuncheon, Gangwon, Republic of Korea
| | - Jooyeon Lee
- Department of Medicine, Kangwon National University, Chuncheon, Gangwon, Republic of Korea
| | - Youngheon Park
- Department of Medicine, Kangwon National University, Chuncheon, Gangwon, Republic of Korea
| | - Sang Ho Jang
- Bioceltran Co., Ltd, Chuncheon, Republic of Korea
| | - Jeong-Ran Park
- Department of Medicine, Kangwon National University, Chuncheon, Gangwon, Republic of Korea
| | - Seok-Ho Hong
- Department of Internal Medicine, Kangwon National University, Chuncheon, Gangwon, Republic of Korea
| | - Se-Ran Yang
- Department of Medicine, Kangwon National University, Chuncheon, Gangwon, Republic of Korea
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11
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Song MA, Mori KM, McElroy JP, Freudenheim JL, Weng DY, Reisinger SA, Brasky TM, Wewers MD, Shields PG. Accelerated epigenetic age, inflammation, and gene expression in lung: comparisons of smokers and vapers with non-smokers. Clin Epigenetics 2023; 15:160. [PMID: 37821974 PMCID: PMC10568901 DOI: 10.1186/s13148-023-01577-8] [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: 03/11/2023] [Accepted: 10/01/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND Cigarette smoking and aging are the main risk factors for pulmonary diseases, including cancer. Epigenetic aging may explain the relationship between smoking, electronic cigarette vaping, and pulmonary health. No study has examined smoking and vaping-related epigenetic aging in relation to lung biomarkers. METHODS Lung epigenetic aging measured by DNA methylation (mAge) and its acceleration (mAA) was assessed in young (age 21-30) electronic cigarette vapers (EC, n = 14, including 3 never-smoking EC), smokers (SM, n = 16), and non-EC/non-SM (NS, n = 39). We investigated relationships of mAge estimates with chronological age (Horvath-mAge), lifespan/mortality (Grim-mAge), telomere length (TL-mAge), smoking/EC history, urinary biomarkers, lung cytokines, and transcriptome. RESULTS Compared to NS, EC and SM had significantly older Grim-mAge, shorter TL-mAge, significantly accelerated Grim-mAge and decelerated TL-mAge. Among SM, Grim-mAA was associated with nicotine intake and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL). For EC, Horvath-mAA was significantly correlated with puffs per day. Overall, cytokines (IL-1β, IL-6, and IL-8) and 759 transcripts (651 unique genes) were significantly associated with Grim-mAA. Grim-mAA-associated genes were highly enriched in immune-related pathways and genes that play a role in the morphology and structures of cells/tissues. CONCLUSIONS Faster lung mAge for SM is consistent with prior studies of blood. Faster lung mAge for EC compared to NS indicates possible adverse pulmonary effects of EC on biological aging. Our findings support further research, particularly on epigenetic markers, on effects of smoking and vaping on pulmonary health. Given that most EC are former smokers, further study is needed to understand unique effects of electronic cigarettes on biological aging.
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Affiliation(s)
- Min-Ae Song
- Division of Environmental Health Sciences, College of Public Health, The Ohio State University, 404 Cunz Hall, 1841 Neil Ave., Columbus, OH, 43210, USA.
| | - Kellie M Mori
- Division of Environmental Health Sciences, College of Public Health, The Ohio State University, 404 Cunz Hall, 1841 Neil Ave., Columbus, OH, 43210, USA
| | - Joseph P McElroy
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Jo L Freudenheim
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY, USA
| | - Daniel Y Weng
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, OH, USA
| | - Sarah A Reisinger
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, OH, USA
| | - Theodore M Brasky
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, OH, USA
| | - Mark D Wewers
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, OH, USA
| | - Peter G Shields
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, OH, USA
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12
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Mebratu YA, Soni S, Rosas L, Rojas M, Horowitz JC, Nho R. The aged extracellular matrix and the profibrotic role of senescence-associated secretory phenotype. Am J Physiol Cell Physiol 2023; 325:C565-C579. [PMID: 37486065 PMCID: PMC10511170 DOI: 10.1152/ajpcell.00124.2023] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 07/25/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) is an irreversible and fatal lung disease that is primarily found in the elderly population, and several studies have demonstrated that aging is the major risk factor for IPF. IPF is characterized by the presence of apoptosis-resistant, senescent fibroblasts that generate an excessively stiff extracellular matrix (ECM). The ECM profoundly affects cellular functions and tissue homeostasis, and an aberrant ECM is closely associated with the development of lung fibrosis. Aging progressively alters ECM components and is associated with the accumulation of senescent cells that promote age-related tissue dysfunction through the expression of factors linked to a senescence-associated secretary phenotype (SASP). There is growing evidence that SASP factors affect various cell behaviors and influence ECM turnover in lung tissue through autocrine and/or paracrine signaling mechanisms. Since life expectancy is increasing worldwide, it is important to elucidate how aging affects ECM dynamics and turnover via SASP and thereby promotes lung fibrosis. In this review, we will focus on the molecular properties of SASP and its regulatory mechanisms. Furthermore, the pathophysiological process of ECM remodeling by SASP factors and the influence of an altered ECM from aged lungs on the development of lung fibrosis will be highlighted. Finally, recent attempts to target ECM alteration and senescent cells to modulate fibrosis will be introduced.NEW & NOTEWORTHY Aging is the most prominent nonmodifiable risk factor for various human diseases including Idiopathic pulmonary fibrosis. Aging progressively alters extracellular matrix components and is associated with the accumulation of senescent cells that promote age-related tissue dysfunction. In this review, we will discuss the pathological impact of aging and senescence on lung fibrosis via senescence-associated secretary phenotype factors and potential therapeutic approaches to limit the progression of lung fibrosis.
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Affiliation(s)
- Yohannes A Mebratu
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
| | - Sourabh Soni
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
| | - Lorena Rosas
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
| | - Mauricio Rojas
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
| | - Jeffrey C Horowitz
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
| | - Richard Nho
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
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13
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Rolland Y, Sierra F, Ferrucci L, Barzilai N, De Cabo R, Mannick J, Oliva A, Evans W, Angioni D, De Souto Barreto P, Raffin J, Vellas B, Kirkland JL. Challenges in developing Geroscience trials. Nat Commun 2023; 14:5038. [PMID: 37598227 PMCID: PMC10439920 DOI: 10.1038/s41467-023-39786-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 06/29/2023] [Indexed: 08/21/2023] Open
Abstract
Geroscience is becoming a major hope for preventing age-related diseases and loss of function by targeting biological mechanisms of aging. This unprecedented paradigm shift requires optimizing the design of future clinical studies related to aging in humans. Researchers will face a number of challenges, including ideal populations to study, which lifestyle and Gerotherapeutic interventions to test initially, selecting key primary and secondary outcomes of such clinical trials, and which age-related biomarkers are most valuable for both selecting interventions and predicting or monitoring clinical responses ("Gerodiagnostics"). This article reports the main results of a Task Force of experts in Geroscience.
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Affiliation(s)
- Yves Rolland
- Gérontopôle de Toulouse, IHU HealthAge, Institut du Vieillissement, Centre Hospitalo-Universitaire de Toulouse, Toulouse, France.
- CERPOP UMR 1295, University of Toulouse III, Inserm, UPS, Toulouse, France.
| | | | - Luigi Ferrucci
- National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Nir Barzilai
- Institute for Aging Research, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Rafael De Cabo
- Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | | | | | - William Evans
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA, USA
| | - Davide Angioni
- Gérontopôle de Toulouse, IHU HealthAge, Institut du Vieillissement, Centre Hospitalo-Universitaire de Toulouse, Toulouse, France
| | - Philipe De Souto Barreto
- Gérontopôle de Toulouse, IHU HealthAge, Institut du Vieillissement, Centre Hospitalo-Universitaire de Toulouse, Toulouse, France
- CERPOP UMR 1295, University of Toulouse III, Inserm, UPS, Toulouse, France
| | - Jeremy Raffin
- Gérontopôle de Toulouse, IHU HealthAge, Institut du Vieillissement, Centre Hospitalo-Universitaire de Toulouse, Toulouse, France
- CERPOP UMR 1295, University of Toulouse III, Inserm, UPS, Toulouse, France
| | - Bruno Vellas
- Gérontopôle de Toulouse, IHU HealthAge, Institut du Vieillissement, Centre Hospitalo-Universitaire de Toulouse, Toulouse, France
- CERPOP UMR 1295, University of Toulouse III, Inserm, UPS, Toulouse, France
| | - James L Kirkland
- Noaber Foundation Professor of Aging Research, Mayo Clinic, Principal Investigator, NIH R33 Translational Geroscience Network, President, American Federation for Aging Research, Rochester, NY, USA
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14
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Wan R, Srikaram P, Guntupalli V, Hu C, Chen Q, Gao P. Cellular senescence in asthma: from pathogenesis to therapeutic challenges. EBioMedicine 2023; 94:104717. [PMID: 37442061 PMCID: PMC10362295 DOI: 10.1016/j.ebiom.2023.104717] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/29/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
Asthma is a heterogeneous chronic respiratory disease that impacts nearly 10% of the population worldwide. While cellular senescence is a normal physiological process, the accumulation of senescent cells is considered a trigger that transforms physiology into the pathophysiology of a tissue/organ. Recent advances have suggested the significance of cellular senescence in asthma. With this review, we focus on the literature regarding the physiology and pathophysiology of cellular senescence and cellular stress responses that link the triggers of asthma to cellular senescence, including telomere shortening, DNA damage, oncogene activation, oxidative-related senescence, and senescence-associated secretory phenotype (SASP). The association of cellular senescence to asthma phenotypes, airway inflammation and remodeling, was also reviewed. Importantly, several approaches targeting cellular senescence, such as senolytics and senomorphics, have emerged as promising strategies for asthma treatment. Therefore, cellular senescence might represent a mechanism in asthma, and the senescence-related molecules and pathways could be targeted for therapeutic benefit.
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Affiliation(s)
- Rongjun Wan
- Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA; Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Prakhyath Srikaram
- Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
| | - Vineeta Guntupalli
- Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
| | - Chengping Hu
- Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Qiong Chen
- Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Peisong Gao
- Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA.
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15
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Delval L, Hantute-Ghesquier A, Sencio V, Flaman JM, Robil C, Angulo FS, Lipskaia L, Çobanoğlu O, Lacoste AS, Machelart A, Danneels A, Corbin M, Deruyter L, Heumel S, Idziorek T, Séron K, Sauve F, Bongiovanni A, Prévot V, Wolowczuk I, Belouzard S, Saliou JM, Gosset P, Bernard D, Rouillé Y, Adnot S, Duterque-Coquillaud M, Trottein F. Removal of senescent cells reduces the viral load and attenuates pulmonary and systemic inflammation in SARS-CoV-2-infected, aged hamsters. NATURE AGING 2023; 3:829-845. [PMID: 37414987 PMCID: PMC10353934 DOI: 10.1038/s43587-023-00442-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 05/24/2023] [Indexed: 07/08/2023]
Abstract
Older age is one of the strongest risk factors for severe COVID-19. In this study, we determined whether age-associated cellular senescence contributes to the severity of experimental COVID-19. Aged golden hamsters accumulate senescent cells in the lungs, and the senolytic drug ABT-263, a BCL-2 inhibitor, depletes these cells at baseline and during SARS-CoV-2 infection. Relative to young hamsters, aged hamsters had a greater viral load during the acute phase of infection and displayed higher levels of sequelae during the post-acute phase. Early treatment with ABT-263 lowered pulmonary viral load in aged (but not young) animals, an effect associated with lower expression of ACE2, the receptor for SARS-CoV-2. ABT-263 treatment also led to lower pulmonary and systemic levels of senescence-associated secretory phenotype factors and to amelioration of early and late lung disease. These data demonstrate the causative role of age-associated pre-existing senescent cells on COVID-19 severity and have clear clinical relevance.
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Affiliation(s)
- Lou Delval
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Aline Hantute-Ghesquier
- Université de Lille, CNRS, INSERM, CHU Lille, UMR9020-U1277, Institut Pasteur de Lille-CANTHER, Lille, France
| | - Valentin Sencio
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Jean Michel Flaman
- Université de Lyon, CNRS, INSERM, U1052-UMR 5286, Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, Lyon, France
| | - Cyril Robil
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Fabiola Silva Angulo
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Larissa Lipskaia
- Université de Paris-Est Créteil, INSERM U955, Institut Mondor de Recherche Biomédicale, Créteil, France
| | - Ozmen Çobanoğlu
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Anne-Sophie Lacoste
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, US 41-UAR 2014, Platforms Lille in Biology & Health, Lille, France
| | - Arnaud Machelart
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Adeline Danneels
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Mathieu Corbin
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Lucie Deruyter
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Séverine Heumel
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Thierry Idziorek
- Université de Lille, CNRS, INSERM, CHU Lille, UMR9020-U1277, Institut Pasteur de Lille-CANTHER, Lille, France
| | - Karin Séron
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Florent Sauve
- Université de Lille, INSERM, CHU Lille, U1172-UMR 9017, Lille Neuroscience & Cognition Research Center, Lille, France
| | - Antonino Bongiovanni
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, US 41-UAR 2014, Platforms Lille in Biology & Health, Lille, France
| | - Vincent Prévot
- Université de Lille, INSERM, CHU Lille, U1172-UMR 9017, Lille Neuroscience & Cognition Research Center, Lille, France
| | - Isabelle Wolowczuk
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Sandrine Belouzard
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Jean-Michel Saliou
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, US 41-UAR 2014, Platforms Lille in Biology & Health, Lille, France
| | - Philippe Gosset
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - David Bernard
- Université de Lyon, CNRS, INSERM, U1052-UMR 5286, Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, Lyon, France
| | - Yves Rouillé
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France
| | - Serge Adnot
- Université de Paris-Est Créteil, INSERM U955, Institut Mondor de Recherche Biomédicale, Créteil, France
| | - Martine Duterque-Coquillaud
- Université de Lille, CNRS, INSERM, CHU Lille, UMR9020-U1277, Institut Pasteur de Lille-CANTHER, Lille, France
| | - François Trottein
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017, Center for Infection and Immunity of Lille, Lille, France.
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16
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Zheng Z, Peng F, Zhou Y. Pulmonary fibrosis: A short- or long-term sequelae of severe COVID-19? CHINESE MEDICAL JOURNAL PULMONARY AND CRITICAL CARE MEDICINE 2023; 1:77-83. [PMID: 37388822 PMCID: PMC9988550 DOI: 10.1016/j.pccm.2022.12.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/21/2022] [Accepted: 12/04/2022] [Indexed: 07/01/2023]
Abstract
The pandemic of coronavirus disease 2019 (COVID‑19), caused by a novel severe acute respiratory syndrome (SARS) coronavirus 2 (SARS-CoV-2), has caused an enormous impact on the global healthcare. SARS-CoV-2 infection primarily targets the respiratory system. Although most individuals testing positive for SARS-CoV-2 present mild or no upper respiratory tract symptoms, patients with severe COVID-19 can rapidly progress to acute respiratory distress syndrome (ARDS). ARDS-related pulmonary fibrosis is a recognized sequelae of COVID-19. Whether post-COVID-19 lung fibrosis is resolvable, persistent, or even becomes progressive as seen in human idiopathic pulmonary fibrosis (IPF) is currently not known and remains a matter of debate. With the emergence of effective vaccines and treatments against COVID-19, it is now important to build our understanding of the long-term sequela of SARS-CoV-2 infection, to identify COVID-19 survivors who are at risk of developing chronic pulmonary fibrosis, and to develop effective anti-fibrotic therapies. The current review aims to summarize the pathogenesis of COVID-19 in the respiratory system and highlights ARDS-related lung fibrosis in severe COVID-19 and the potential mechanisms. It envisions the long-term fibrotic lung complication in COVID-19 survivors, in particular in the aged population. The early identification of patients at risk of developing chronic lung fibrosis and the development of anti-fibrotic therapies are discussed.
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Affiliation(s)
- Zhen Zheng
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Fei Peng
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Department of Respiratory Medicine, The Second Xiangya Hospital, Central-South University, Changsha, Hunan 410011, China
| | - Yong Zhou
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
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17
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Moreno-Valladares M, Moncho-Amor V, Silva TM, Garcés JP, Álvarez-Satta M, Matheu A. KRT5 +/p63 + Stem Cells Undergo Senescence in the Human Lung with Pathological Aging. Aging Dis 2023; 14:1013-1027. [PMID: 37191411 DOI: 10.14336/ad.2022.1128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 11/28/2022] [Indexed: 05/17/2023] Open
Abstract
Adult lungs present high cellular plasticity against stress and injury, mobilizing stem/progenitor populations from conducting airways to maintain tissue homeostasis and gas exchange in alveolar spaces. With aging, pulmonary functional and structural deterioration occurs, mainly in pathological conditions, which is associated with impaired stem cell activity and increased senescence in mice. However, the impact of these processes underlying lung physiopathology in relation to aging has not been explored in humans. In this work, we analyzed stem cell (SOX2, p63, KRT5), senescence (p16INK4A, p21CIP, Lamin B1) and proliferative (Ki67) markers in lung samples from young and aged individuals, with and without pulmonary pathology. We identified a reduction in SOX2+ cells but not p63+ and KRT5+ basal cells in small airways with aging. In alveoli, we revealed the presence of triple SOX2+, p63+ and KRT5+ cells specifically in aged individuals diagnosed with pulmonary pathologies. Notably, p63+ and KRT5+ basal stem cells displayed colocalization with p16INK4A and p21CIP, as well as with low Lamin B1 staining in alveoli. Further studies revealed that senescence and proliferation markers were mutually exclusive in stem cells with a higher percentage colocalizing with senescence markers. These results provide new evidence of the activity of p63+/KRT5+ stem cells on human lung regeneration and point out that regeneration machinery in human lung is activated under stress due to aging, but fails to repair in pathological cases, as stem cells would likely become senescent.
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Affiliation(s)
- Manuel Moreno-Valladares
- Biodonostia Health Research Institute, Group of Cellular Oncology, San Sebastian, Spain
- Donostia University Hospital, Pathology Department, San Sebastian, Spain
- CIBER of Frailty and Healthy Aging (CIBERfes), Carlos III Institute, Madrid, Spain
| | - Veronica Moncho-Amor
- Biodonostia Health Research Institute, Group of Cellular Oncology, San Sebastian, Spain
- CIBER of Frailty and Healthy Aging (CIBERfes), Carlos III Institute, Madrid, Spain
| | - Tulio M Silva
- Donostia University Hospital, Pathology Department, San Sebastian, Spain
| | - Juan P Garcés
- Donostia University Hospital, Pathology Department, San Sebastian, Spain
| | - María Álvarez-Satta
- Biodonostia Health Research Institute, Group of Cellular Oncology, San Sebastian, Spain
- CIBER of Frailty and Healthy Aging (CIBERfes), Carlos III Institute, Madrid, Spain
| | - Ander Matheu
- Biodonostia Health Research Institute, Group of Cellular Oncology, San Sebastian, Spain
- CIBER of Frailty and Healthy Aging (CIBERfes), Carlos III Institute, Madrid, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
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18
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The Potential of Senescence as a Target for Developing Anticancer Therapy. Int J Mol Sci 2023; 24:ijms24043436. [PMID: 36834846 PMCID: PMC9961771 DOI: 10.3390/ijms24043436] [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: 12/01/2022] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023] Open
Abstract
Senescence occurs in response to various stimuli. Senescence has attracted attention because of its potential use in anticancer therapy as it plays a tumor-suppressive role. It also promotes tumorigeneses and therapeutic resistance. Since senescence can induce therapeutic resistance, targeting senescence may help to overcome therapeutic resistance. This review provides the mechanisms of senescence induction and the roles of the senescence-associated secretory phenotype (SASP) in various life processes, including therapeutic resistance and tumorigenesis. The SASP exerts pro-tumorigenic or antitumorigenic effects in a context-dependent manner. This review also discusses the roles of autophagy, histone deacetylases (HDACs), and microRNAs in senescence. Many reports have suggested that targeting HDACs or miRNAs could induce senescence, which, in turn, could enhance the effects of current anticancer drugs. This review presents the view that senescence induction is a powerful method of inhibiting cancer cell proliferation.
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19
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Gao AY, Diaz Espinosa AM, Gianì F, Pham TX, Carver CM, Aravamudhan A, Bartman CM, Ligresti G, Caporarello N, Schafer MJ, Haak AJ. Pim-1 kinase is a positive feedback regulator of the senescent lung fibroblast inflammatory secretome. Am J Physiol Lung Cell Mol Physiol 2022; 323:L685-L697. [PMID: 36223640 PMCID: PMC9744654 DOI: 10.1152/ajplung.00023.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 09/01/2022] [Accepted: 09/26/2022] [Indexed: 12/15/2022] Open
Abstract
Cellular senescence is emerging as a driver of idiopathic pulmonary fibrosis (IPF), a progressive and fatal disease with limited effective therapies. The senescence-associated secretory phenotype (SASP), involving the release of inflammatory cytokines and profibrotic growth factors by senescent cells, is thought to be a product of multiple cell types in IPF, including lung fibroblasts. NF-κB is a master regulator of the SASP, and its activity depends on the phosphorylation of p65/RelA. The purpose of this study was to assess the role of Pim-1 kinase as a driver of NF-κB-induced production of inflammatory cytokines from low-passage IPF fibroblast cultures displaying markers of senescence. Our results demonstrate that Pim-1 kinase phosphorylates p65/RelA, activating NF-κB activity and enhancing IL-6 production, which in turn amplifies the expression of PIM1, generating a positive feedback loop. In addition, targeting Pim-1 kinase with a small molecule inhibitor dramatically inhibited the expression of a broad array of cytokines and chemokines in IPF-derived fibroblasts. Furthermore, we provide evidence that Pim-1 overexpression in low-passage human lung fibroblasts is sufficient to drive premature senescence, in vitro. These findings highlight the therapeutic potential of targeting Pim-1 kinase to reprogram the secretome of senescent fibroblasts and halt IPF progression.
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Affiliation(s)
- Ashley Y Gao
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
- Department of Ophthalmology, Mayo Clinic, Rochester, Minnesota
| | - Ana M Diaz Espinosa
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Fiorenza Gianì
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
- Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Centel, Catania, Italy
| | - Tho X Pham
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Chase M Carver
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Aja Aravamudhan
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Colleen M Bartman
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Giovanni Ligresti
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Nunzia Caporarello
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Marissa J Schafer
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
- Department of Neurology, Mayo Clinic, Rochester, Minnesota
| | - Andrew J Haak
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, Minnesota
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20
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Cogno N, Bauer R, Durante M. An Agent-Based Model of Radiation-Induced Lung Fibrosis. Int J Mol Sci 2022; 23:13920. [PMID: 36430398 PMCID: PMC9693125 DOI: 10.3390/ijms232213920] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/03/2022] [Accepted: 11/05/2022] [Indexed: 11/16/2022] Open
Abstract
Early- and late-phase radiation-induced lung injuries, namely pneumonitis and lung fibrosis (RILF), severely constrain the maximum dose and irradiated volume in thoracic radiotherapy. As the most radiosensitive targets, epithelial cells respond to radiation either by undergoing apoptosis or switching to a senescent phenotype that triggers the immune system and damages surrounding healthy cells. Unresolved inflammation stimulates mesenchymal cells' proliferation and extracellular matrix (ECM) secretion, which irreversibly stiffens the alveolar walls and leads to respiratory failure. Although a thorough understanding is lacking, RILF and idiopathic pulmonary fibrosis share multiple pathways and would mutually benefit from further insights into disease progression. Furthermore, current normal tissue complication probability (NTCP) models rely on clinical experience to set tolerance doses for organs at risk and leave aside mechanistic interpretations of the undergoing processes. To these aims, we implemented a 3D agent-based model (ABM) of an alveolar duct that simulates cell dynamics and substance diffusion following radiation injury. Emphasis was placed on cell repopulation, senescent clearance, and intra/inter-alveolar bystander senescence while tracking ECM deposition. Our ABM successfully replicates early and late fibrotic response patterns reported in the literature along with the ECM sigmoidal dose-response curve. Moreover, surrogate measures of RILF severity via a custom indicator show qualitative agreement with published fibrosis indices. Finally, our ABM provides a fully mechanistic alveolar survival curve highlighting the need to include bystander damage in lung NTCP models.
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Affiliation(s)
- Nicolò Cogno
- Biophysics Department, GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
- Institute for Condensed Matter Physics, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - Roman Bauer
- Department of Computer Science, University of Surrey, Guildford GU2 7XH, UK
| | - Marco Durante
- Biophysics Department, GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
- Institute for Condensed Matter Physics, Technische Universität Darmstadt, 64289 Darmstadt, Germany
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21
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Aghali A, Khalfaoui L, Lagnado AB, Drake LY, Teske JJ, Pabelick CM, Passos JF, Prakash YS. Cellular senescence is increased in airway smooth muscle cells of elderly persons with asthma. Am J Physiol Lung Cell Mol Physiol 2022; 323:L558-L568. [PMID: 36166734 PMCID: PMC9639764 DOI: 10.1152/ajplung.00146.2022] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 09/05/2022] [Accepted: 09/22/2022] [Indexed: 11/22/2022] Open
Abstract
Senescent cells can drive age-related tissue dysfunction partially via a senescence-associated secretory phenotype (SASP) involving proinflammatory and profibrotic factors. Cellular senescence has been associated with a structural and functional decline during normal lung aging and age-related diseases such as chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF). Asthma in the elderly (AIE) represents a major healthcare burden. AIE is associated with bronchial airway hyperresponsiveness and remodeling, which involves increased cell proliferation and higher rates of fibrosis, and resistant to standard therapy. Airway smooth muscle (ASM) cells play a major role in asthma such as remodeling via modulation of inflammation and the extracellular matrix (ECM) environment. Whether senescent ASM cells accumulate in AIE and contribute to airway structural or functional changes is unknown. Lung tissues from elderly persons with asthma showed greater airway fibrosis compared with age-matched elderly persons with nonasthma and young age controls. Lung tissue or isolated ASM cells from elderly persons with asthma showed increased expression of multiple senescent markers including phospho-p53, p21, telomere-associated foci (TAF), as well as multiple SASP components. Senescence and SASP components were also increased with aging per se. These data highlight the presence of cellular senescence in AIE that may contribute to airway remodeling.
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Affiliation(s)
- Arbi Aghali
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Latifa Khalfaoui
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
| | - Anthony B. Lagnado
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Li Y. Drake
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
| | - Jacob J. Teske
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
| | - Christina M. Pabelick
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
| | - João F. Passos
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Y. S. Prakash
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
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22
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Onorati A, Havas AP, Lin B, Rajagopal J, Sen P, Adams PD, Dou Z. Upregulation of PD-L1 in Senescence and Aging. Mol Cell Biol 2022; 42:e0017122. [PMID: 36154662 PMCID: PMC9583718 DOI: 10.1128/mcb.00171-22] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/13/2022] [Accepted: 09/12/2022] [Indexed: 12/25/2022] Open
Abstract
Cellular senescence is a stable form of cell cycle arrest associated with proinflammatory responses. Senescent cells can be cleared by the immune system as a part of normal tissue homeostasis. However, senescent cells can also accumulate in aged and diseased tissues, contributing to inflammation and disease progression. The mechanisms mediating the impaired immune-mediated clearance of senescent cells are poorly understood. Here, we report that senescent cells upregulate the immune checkpoint molecule PD-L1, the ligand for PD-1 on immune cells, which drives immune cell inactivation. The induction of PD-L1 in senescence is dependent on the proinflammatory program. Furthermore, the secreted factors released by senescent cells are sufficient to upregulate PD-L1 in nonsenescent control cells, mediated by the JAK-STAT pathway. In addition, we show that prolongevity intervention rapamycin downregulates PD-L1 in senescent cells. Last, we found that PD-L1 is upregulated in several tissues in naturally aged mice and in the lungs of idiopathic pulmonary fibrosis patients. Together, our results report that senescence and aging are associated with upregulation of a major immune checkpoint molecule, PD-L1. Targeting PD-L1 may offer new therapeutic opportunities in treating senescence and age-associated diseases.
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Affiliation(s)
- Angelique Onorati
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts, USA
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Aaron P. Havas
- Aging, Cancer and Immuno-oncology Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA
| | - Brian Lin
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts, USA
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
- Department of Developmental, Molecular & Chemical Biology, Tufts University School of Medicine, Boston, Massachusetts, USA
| | - Jayaraj Rajagopal
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts, USA
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
- Klarman Cell Observatory, Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts, USA
| | - Payel Sen
- National Institute on Aging, National Institutes of Health, Laboratory of Genetics and Genomics, Baltimore, Maryland, USA
| | - Peter D. Adams
- Aging, Cancer and Immuno-oncology Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA
| | - Zhixun Dou
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts, USA
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
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23
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Immunosenescence, Inflammaging, and Lung Senescence in Asthma in the Elderly. Biomolecules 2022; 12:biom12101456. [PMID: 36291665 PMCID: PMC9599177 DOI: 10.3390/biom12101456] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/02/2022] [Accepted: 10/04/2022] [Indexed: 11/24/2022] Open
Abstract
Prevalence of asthma in older adults is growing along with increasing global life expectancy. Due to poor clinical consequences such as high mortality, advancement in understanding the pathophysiology of asthma in older patients has been sought to provide prompt treatment for them. Age-related alterations of functions in the immune system and lung parenchyma occur throughout life. Alterations with advancing age are promoted by various stimuli, including pathobionts, fungi, viruses, pollutants, and damage-associated molecular patterns derived from impaired cells, abandoned cell debris, and senescent cells. Age-related changes in the innate and adaptive immune response, termed immunosenescence, includes impairment of phagocytosis and antigen presentation, enhancement of proinflammatory mediator generation, and production of senescence-associated secretory phenotype. Immnunosenescence could promote inflammaging (chronic low-grade inflammation) and contribute to late-onset adult asthma and asthma in the elderly, along with age-related pulmonary disease, such as chronic obstructive pulmonary disease and pulmonary fibrosis, due to lung parenchyma senescence. Aged patients with asthma exhibit local and systemic type 2 and non-type 2 inflammation, associated with clinical manifestations. Here, we discuss immunosenescence’s contribution to the immune response and the combination of type 2 inflammation and inflammaging in asthma in the elderly and present an overview of age-related features in the immune system and lung structure.
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24
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Kyi P, Hendee K, Hunyenyiwa T, Matus K, Mammoto T, Mammoto A. Endothelial senescence mediates hypoxia-induced vascular remodeling by modulating PDGFB expression. Front Med (Lausanne) 2022; 9:908639. [PMID: 36203755 PMCID: PMC9530050 DOI: 10.3389/fmed.2022.908639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 08/29/2022] [Indexed: 12/03/2022] Open
Abstract
Uncontrolled accumulation of pulmonary artery smooth muscle cells (PASMCs) to the distal pulmonary arterioles (PAs) is one of the major characteristics of pulmonary hypertension (PH). Cellular senescence contributes to aging and lung diseases associated with PH and links to PH progression. However, the mechanism by which cellular senescence controls vascular remodeling in PH is not fully understood. The levels of senescence marker, p16INK4A and senescence-associated β-galactosidase (SA-β-gal) activity are higher in PA endothelial cells (ECs) isolated from idiopathic pulmonary arterial hypertension (IPAH) patients compared to those from healthy individuals. Hypoxia-induced accumulation of α-smooth muscle actin (αSMA)-positive cells to the PAs is attenuated in p16fl/fl-Cdh5(PAC)-CreERT2 (p16iΔEC) mice after tamoxifen induction. We have reported that endothelial TWIST1 mediates hypoxia-induced vascular remodeling by increasing platelet-derived growth factor (PDGFB) expression. Transcriptomic analyses of IPAH patient lungs or hypoxia-induced mouse lung ECs reveal the alteration of senescence-related gene expression and their interaction with TWIST1. Knockdown of p16INK4A attenuates the expression of PDGFB and TWIST1 in IPAH patient PAECs or hypoxia-treated mouse lungs and suppresses accumulation of αSMA–positive cells to the supplemented ECs in the gel implanted on the mouse lungs. Hypoxia-treated mouse lung EC-derived exosomes stimulate DNA synthesis and migration of PASMCs in vitro and in the gel implanted on the mouse lungs, while p16iΔEC mouse lung EC-derived exosomes inhibit the effects. These results suggest that endothelial senescence modulates TWIST1-PDGFB signaling and controls vascular remodeling in PH.
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Affiliation(s)
- Priscilla Kyi
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Kathryn Hendee
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Tendai Hunyenyiwa
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Kienna Matus
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Tadanori Mammoto
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, WI, United States
- *Correspondence: Akiko Mammoto
| | - Akiko Mammoto
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI, United States
- Tadanori Mammoto
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Lu X, Yang YM, Lu YQ. Immunosenescence: A Critical Factor Associated With Organ Injury After Sepsis. Front Immunol 2022; 13:917293. [PMID: 35924237 PMCID: PMC9339684 DOI: 10.3389/fimmu.2022.917293] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 06/22/2022] [Indexed: 11/17/2022] Open
Abstract
Progressive immune dysfunction associated with aging is known as immunosenescence. The age-related deterioration of immune function is accompanied by chronic inflammation and microenvironment changes. Immunosenescence can affect both innate and acquired immunity. Sepsis is a systemic inflammatory response that affects parenchymal organs, such as the respiratory system, cardiovascular system, liver, urinary system, and central nervous system, according to the sequential organ failure assessment (SOFA). The initial immune response is characterized by an excess release of inflammatory factors, followed by persistent immune paralysis. Moreover, immunosenescence was found to complement the severity of the immune disorder following sepsis. Furthermore, the immune characteristics associated with sepsis include lymphocytopenia, thymus degeneration, and immunosuppressive cell proliferation, which are very similar to the characteristics of immunosenescence. Therefore, an in-depth understanding of immunosenescence after sepsis and its subsequent effects on the organs may contribute to the development of promising therapeutic strategies. This paper focuses on the characteristics of immunosenescence after sepsis and rigorously analyzes the possible underlying mechanism of action. Based on several recent studies, we summarized the relationship between immunosenescence and sepsis-related organs. We believe that the association between immunosenescence and parenchymal organs might be able to explain the delayed consequences associated with sepsis.
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Affiliation(s)
- Xuan Lu
- Department of Geriatric and Emergency Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- The Key Laboratory for Diagnosis and Treatment of Aging and Physic-chemical Injury Diseases of Zhejiang Province, Hangzhou, China
| | - Yun-Mei Yang
- Department of Geriatric and Emergency Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- The Key Laboratory for Diagnosis and Treatment of Aging and Physic-chemical Injury Diseases of Zhejiang Province, Hangzhou, China
| | - Yuan-Qiang Lu
- Department of Geriatric and Emergency Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- The Key Laboratory for Diagnosis and Treatment of Aging and Physic-chemical Injury Diseases of Zhejiang Province, Hangzhou, China
- *Correspondence: Yuan-Qiang Lu,
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Semen KO, Bast A. Senescence in pulmonary arterial hypertension: is there a link? Curr Opin Pulm Med 2022; 28:303-306. [PMID: 35749795 DOI: 10.1097/mcp.0000000000000879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Cellular senescence has been recognized as a promising target in the treatment of many cardiovascular diseases. The pathways involved in the development of senescence share many similarities with pathobiological mechanisms of pulmonary arterial hypertension (PAH). But the potential of senolytics to improve pulmonary hemodynamics and to reduce vascular remodelling in PAH has thus far not been investigated in depth. RECENT FINDINGS PAH does not seem to be a disease of only young people since the mean age of PAH patients is constantly increasing. Changes in expression of senescence biomarkers related to cell cycle arrest, namely upregulation of the tumour suppressor protein p53 and the cell cycle inhibitors p16ink4A an p21cip1 as well as an increase in apoptosis resistance biomarker Bcl2 (B-cell lymphoma 2) and development of senescence-associated phenotype characterized by excessive production of matrix metalloproteinase 2 and interleukin 6 were demonstrated in PAH patients. Initiatives to link the senescence-modulating effect of certain compounds to clinically relevant outcomes in PAH are still limited. SUMMARY Further exploration of the role of senescence in the pathobiology of PAH may point to new relevant treatment strategies. Identification of the cell-specific senescence biomarkers which can be used in vivo, could further promote identification of clinically relevant pathways and design of clinical studies which will help to establish effective therapeutic use of senolytic compounds.
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Affiliation(s)
| | - Aalt Bast
- Maastricht University Campus Venlo, Venlo
- Department of Pharmacology and Toxicology, FHML, Maastricht University, Maastricht, The Netherlands
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Rivas M, Gupta G, Costanzo L, Ahmed H, Wyman AE, Geraghty P. Senescence: Pathogenic Driver in Chronic Obstructive Pulmonary Disease. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:817. [PMID: 35744080 PMCID: PMC9228143 DOI: 10.3390/medicina58060817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/09/2022] [Accepted: 06/15/2022] [Indexed: 01/10/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is recognized as a disease of accelerated lung aging. Over the past two decades, mounting evidence suggests an accumulation of senescent cells within the lungs of patients with COPD that contributes to dysregulated tissue repair and the secretion of multiple inflammatory proteins, termed the senescence-associated secretory phenotype (SASP). Cellular senescence in COPD is linked to telomere dysfunction, DNA damage, and oxidative stress. This review gives an overview of the mechanistic contributions and pathologic consequences of cellular senescence in COPD and discusses potential therapeutic approaches targeting senescence-associated signaling in COPD.
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Affiliation(s)
- Melissa Rivas
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Gayatri Gupta
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, New Haven, CT 06520, USA;
| | - Louis Costanzo
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Huma Ahmed
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Anne E. Wyman
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Patrick Geraghty
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
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Okwuofu EO, Hui AYC, Woei JLC, Stanslas J. Molecular and Immunomodulatory Actions of New Antiasthmatic Agents: Exploring the Diversity of Biologics in Th2 Endotype Asthma. Pharmacol Res 2022; 181:106280. [PMID: 35661709 DOI: 10.1016/j.phrs.2022.106280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/17/2022] [Accepted: 05/26/2022] [Indexed: 02/07/2023]
Abstract
Asthma is a major respiratory disorder characterised by chronic inflammation and airway remodelling. It affects about 1-8% of the global population and is responsible for over 461,000 deaths annually. Until recently, the pharmacotherapy of severe asthma involved high doses of inhaled corticosteroids in combination with β-agonist for prolonged action, including theophylline, leukotriene antagonist or anticholinergic yielding limited benefit. Although the use of newer agents to target Th2 asthma endotypes has improved therapeutic outcomes in severe asthmatic conditions, there seems to be a paucity of understanding the diverse mechanisms through which these classes of drugs act. This article delineates the molecular and immunomodulatory mechanisms of action of new antiasthmatic agents currently being trialled in preclinical and clinical studies to remit asthmatic conditions. The ultimate goal in developing antiasthmatic agents is based on two types of approaches: either anti-inflammatory or bronchodilators. Biologic and most small molecules have been shown to modulate specific asthma endotypes, targeting thymic stromal lymphopoietin, tryptase, spleen tyrosine kinase (Syk), Janus kinase, PD-L1/PD-L2, GATA-3, and CD38 for the treatment and management of Th2 endotype asthma.
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Affiliation(s)
- Emmanuel Oshiogwe Okwuofu
- Pharmacotherapeutic Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | | | - Jonathan Lim Chee Woei
- Pharmacotherapeutic Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Johnson Stanslas
- Pharmacotherapeutic Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia.
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29
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Aghali A, Koloko Ngassie ML, Pabelick CM, Prakash YS. Cellular Senescence in Aging Lungs and Diseases. Cells 2022; 11:cells11111781. [PMID: 35681476 PMCID: PMC9179897 DOI: 10.3390/cells11111781] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 05/23/2022] [Accepted: 05/26/2022] [Indexed: 12/10/2022] Open
Abstract
Cellular senescence represents a state of irreversible cell cycle arrest occurring naturally or in response to exogenous stressors. Following the initial arrest, progressive phenotypic changes define conditions of cellular senescence. Understanding molecular mechanisms that drive senescence can help to recognize the importance of such pathways in lung health and disease. There is increasing interest in the role of cellular senescence in conditions such as chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF) in the context of understanding pathophysiology and identification of novel therapies. Herein, we discuss the current knowledge of molecular mechanisms and mitochondrial dysfunction regulating different aspects of cellular senescence-related to chronic lung diseases to develop rational strategies for modulating the senescent cell phenotype in the lung for therapeutic benefit.
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Affiliation(s)
- Arbi Aghali
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA; (A.A.); (C.M.P.)
| | - Maunick Lefin Koloko Ngassie
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands;
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Christina M. Pabelick
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA; (A.A.); (C.M.P.)
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Y. S. Prakash
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA; (A.A.); (C.M.P.)
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN 55905, USA
- Correspondence:
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Kahnert K, Andreas S, Kellerer C, Lutter JI, Lucke T, Yildirim Ö, Lehmann M, Seissler J, Behr J, Frankenberger M, Bals R, Watz H, Welte T, Trudzinski FC, Vogelmeier CF, Alter P, Jörres RA. Reduced decline of lung diffusing capacity in COPD patients with diabetes and metformin treatment. Sci Rep 2022; 12:1435. [PMID: 35082306 PMCID: PMC8792053 DOI: 10.1038/s41598-022-05276-x] [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: 07/15/2021] [Accepted: 12/16/2021] [Indexed: 01/11/2023] Open
Abstract
We studied whether in patients with COPD the use of metformin for diabetes treatment was linked to a pattern of lung function decline consistent with the hypothesis of anti-aging effects of metformin. Patients of GOLD grades 1–4 of the COSYCONET cohort with follow-up data of up to 4.5 y were included. The annual decline in lung function (FEV1, FVC) and CO diffusing capacity (KCO, TLCO) in %predicted at baseline was evaluated for associations with age, sex, BMI, pack-years, smoking status, baseline lung function, exacerbation risk, respiratory symptoms, cardiac disease, as well as metformin-containing therapy compared to patients without diabetes and metformin. Among 2741 patients, 1541 (mean age 64.4 y, 601 female) fulfilled the inclusion criteria. In the group with metformin treatment vs. non-diabetes the mean annual decline in KCO and TLCO was significantly lower (0.2 vs 2.3, 0.8 vs. 2.8%predicted, respectively; p < 0.05 each), but not the decline of FEV1 and FVC. These results were confirmed using multiple regression and propensity score analyses. Our findings demonstrate an association between the annual decline of lung diffusing capacity and the intake of metformin in patients with COPD consistent with the hypothesis of anti-aging effects of metformin as reflected in a surrogate marker of emphysema.
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Affiliation(s)
- Kathrin Kahnert
- Department of Medicine V, Comprehensive Pneumology Center, Member of the German Center for Lung Research (DZL), University Hospital, LMU Munich, Ziemssenstraße 1, 80336, Munich, Germany.
| | - Stefan Andreas
- LungClinic Immenhausen, Member of the German Center for Lung Research (DZL), Immenhausen, Germany
| | - Christina Kellerer
- Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, Comprehensive Pneumology Center Munich (CPC-M), Member of the German Center for Lung Research (DZL), University Hospital of Munich (LMU), Munich, Germany.,School of Medicine, Institute of General Practice and Health Services Research, Technical University of Munich (TUM), Munich, Germany
| | - Johanna I Lutter
- Institute of Health Economics and Health Care Management, Helmholtz Zentrum München GmbH - German Research Center for Environmental Health, Comprehensive Pneumology Center Munich (CPC-M), Member of the German Center for Lung Research, Munich, Germany
| | - Tanja Lucke
- Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, Comprehensive Pneumology Center Munich (CPC-M), Member of the German Center for Lung Research (DZL), University Hospital of Munich (LMU), Munich, Germany
| | - Önder Yildirim
- Institute of Lung Biology and Disease (ILBD), Comprehensive Pneumology Center Munich (CPC-M), Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Mareike Lehmann
- Institute of Lung Biology and Disease (ILBD), Comprehensive Pneumology Center Munich (CPC-M), Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Jochen Seissler
- Department of Medicine IV, Diabetes Center, University Hospital, LMU Munich, Munich, Germany
| | - Jürgen Behr
- Department of Medicine V, Comprehensive Pneumology Center, Member of the German Center for Lung Research (DZL), University Hospital, LMU Munich, Ziemssenstraße 1, 80336, Munich, Germany
| | - Marion Frankenberger
- Institute of Lung Biology and Disease (ILBD), Comprehensive Pneumology Center Munich (CPC-M), Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Robert Bals
- Department of Internal Medicine V - Pulmonology, Allergology, Respiratory Intensive Care Medicine, Saarland University Hospital, Homburg, Germany
| | - Henrik Watz
- Pulmonary Research Institute at LungenClinic Grosshansdorf, Airway Research Center North (ARCN), Member of the German Center for Lung Research (DZL), Grosshansdorf, Germany
| | - Tobias Welte
- Department of Pneumology, Hannover Medical School, Hannover, Germany
| | - Franziska C Trudzinski
- Thoraxklinik Heidelberg, Translational Lung Research Center Heidelberg (TLRC-H), Member of the German Center for Lung Research (DZL), University Hospital of Heidelberg, Heidelberg, Germany
| | - Claus F Vogelmeier
- Department of Medicine, Pulmonary and Critical Care Medicine, Member of the German Center for Lung Research (DZL), University Medical Center Giessen and Marburg, Philipps-University Marburg (UMR), Marburg, Germany
| | - Peter Alter
- Department of Medicine, Pulmonary and Critical Care Medicine, Member of the German Center for Lung Research (DZL), University Medical Center Giessen and Marburg, Philipps-University Marburg (UMR), Marburg, Germany
| | - Rudolf A Jörres
- Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, Comprehensive Pneumology Center Munich (CPC-M), Member of the German Center for Lung Research (DZL), University Hospital of Munich (LMU), Munich, Germany
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Concepts of advanced therapeutic delivery systems for the management of remodeling and inflammation in airway diseases. Future Med Chem 2022; 14:271-288. [PMID: 35019757 PMCID: PMC8890134 DOI: 10.4155/fmc-2021-0081] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Chronic respiratory disorders affect millions of people worldwide. Pathophysiological changes to the normal airway wall structure, including changes in the composition and organization of its cellular and molecular constituents, are referred to as airway remodeling. The inadequacy of effective treatment strategies and scarcity of novel therapies available for the treatment and management of chronic respiratory diseases have given rise to a serious impediment in the clinical management of such diseases. The progress made in advanced drug delivery, has offered additional advantages to fight against the emerging complications of airway remodeling. This review aims to address the gaps in current knowledge about airway remodeling, the relationships between remodeling, inflammation, clinical phenotypes and the significance of using novel drug delivery methods.
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Chang JH, Lee YL, Laiman V, Han CL, Jheng YT, Lee KY, Yeh CT, Kuo HP, Chung KF, Heriyanto DS, Hsiao TC, Wu SM, Ho SC, Chuang KJ, Chuang HC. Air pollution-regulated E-cadherin mediates contact inhibition of proliferation via the hippo signaling pathways in emphysema. Chem Biol Interact 2022; 351:109763. [PMID: 34852269 DOI: 10.1016/j.cbi.2021.109763] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 11/17/2021] [Accepted: 11/25/2021] [Indexed: 01/07/2023]
Abstract
Air pollution has been linked to emphysema in chronic obstruction pulmonary disease (COPD). However, the underlying mechanisms in the development of emphysema due to air pollution remain unclear. The objective of this study was to investigate the role of components of the Hippo signaling pathway for E-cadherin-mediated contact inhibition of proliferation in the lungs after air pollution exposure. E-Cadherin-mediated contact inhibition of proliferation via the Hippo signaling pathway was investigated in Sprague-Dawley (SD) rats whole-body exposed to air pollution, and in alveolar epithelial A549 cells exposed to diesel exhaust particles (DEPs), E-cadherin-knockdown, and high-mobility group box 1 (HMGB1) treatment. Underlying epithelial differentiation, apoptosis, and senescence were also examined, and the interaction network among these proteins was examined. COPD lung sections were used to confirm the observations in rats. Expressions of HMGB1 and E-cadherin were negatively regulated in the lungs and A549 cells by air pollution, and this was confirmed by knockdown of E-cadherin and by treating A549 cells with HMGB1. Depletion of phosphorylated (p)-Yap occurred after exposure to air pollution and E-cadherin-knockdown, which resulted in decreases of SPC and T1α. Exposure to air pollution and E-cadherin-knockdown respectively downregulated p-Sirt1 and increased p53 levels in the lungs and in A549 cells. Moreover, the protein interaction network suggested that E-cadherin is a key activator in regulating Sirt1 and p53, as well as alveolar epithelial cell differentiation by SPC and T1α. Consistently, downregulation of E-cadherin, p-Yap, SPC, and T1α was observed in COPD alveolar regions with particulate matter (PM) deposition. In conclusion, our results indicated that E-cadherin-mediated cell-cell contact directly regulates the Hippo signaling pathway to control differentiation, cell proliferation, and senescence due to air pollution. Exposure to air pollution may initiate emphysema in COPD patients.
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Affiliation(s)
- Jer-Hwa Chang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan; Division of Pulmonary Medicine, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Yueh-Lun Lee
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Vincent Laiman
- International PhD Program in Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Department of Anatomical Pathology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Chia-Li Han
- Master Program in Clinical Pharmacogenomics and Pharmacoproteomics, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Yu-Teng Jheng
- Genome and Systems Biology Degree Program, Academia Sinica and National Taiwan University, Taipei, Taiwan
| | - Kang-Yun Lee
- Division of Pulmonary Medicine, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Chi-Tai Yeh
- Department of Medical Research & Education, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Han-Pin Kuo
- Division of Pulmonary Medicine, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Kian Fan Chung
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Didik Setyo Heriyanto
- Department of Anatomical Pathology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Ta-Chih Hsiao
- Graduate Institute of Environmental Engineering, National Taiwan University, Taipei, Taiwan
| | - Sheng-Ming Wu
- Division of Pulmonary Medicine, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Shu-Chuan Ho
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Kai-Jen Chuang
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan; Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Hsiao-Chi Chuang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan; Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; Cell Physiology and Molecular Image Research Center, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.
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Jaiswal AK, Yadav J, Makhija S, Sandey M, Suryawanshi A, Mitra AK, Mishra A. Short palate, lung, and nasal epithelial clone 1 (SPLUNC1) level determines steroid-resistant airway inflammation in aging. Am J Physiol Lung Cell Mol Physiol 2022; 322:L102-L115. [PMID: 34851736 PMCID: PMC8759962 DOI: 10.1152/ajplung.00315.2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 11/17/2021] [Accepted: 11/22/2021] [Indexed: 01/25/2023] Open
Abstract
Asthma and its heterogeneity change with age. Increased airspace neutrophil numbers contribute to severe steroid-resistant asthma exacerbation in the elderly, which correlates with the changes seen in adults with asthma. However, whether that resembles the same disease mechanism and pathophysiology in aged and adults is poorly understood. Here, we sought to address the underlying molecular mechanism of steroid-resistant airway inflammation development and response to corticosteroid (Dex) therapy in aged mice. To study the changes in inflammatory mechanism, we used a clinically relevant treatment model of house-dust mite (HDM)-induced allergic asthma and investigated lung adaptive immune response in adult (20-22 wk old) and aged (80-82 wk old) mice. Our result indicates an age-dependent increase in airway hyperresponsiveness (AHR), mixed granulomatous airway inflammation comprising eosinophils and neutrophils, and Th1/Th17 immune response with progressive decrease in frequencies and numbers of HDM-bearing dendritic cells (DC) accumulation in the draining lymph node (DLn) of aged mice as compared with adult mice. RNA-Seq experiments of the aged lung revealed short palate, lung, and nasal epithelial clone 1 (SPLUNC1) as one of the steroid-responsive genes, which progressively declined with age and further by HDM-induced inflammation. Moreover, we found increased glycolytic reprogramming, maturation/activation of DCs, the proliferation of OT-II cells, and Th2 cytokine secretion with recombinant SPLUNC1 (rSPLUNC1) treatment. Our results indicate a novel immunomodulatory role of SPLUNC1 regulating metabolic adaptation/maturation of DC. An age-dependent decline in the SPLUNC1 level may be involved in developing steroid-resistant airway inflammation and asthma heterogeneity.
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Affiliation(s)
- Anil Kumar Jaiswal
- Laboratory of Lung Inflammation, College of Veterinary Medicine, Auburn University, Auburn, Alabama
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
| | - Jyoti Yadav
- Laboratory of Lung Inflammation, College of Veterinary Medicine, Auburn University, Auburn, Alabama
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
| | - Sangeet Makhija
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
| | - Maninder Sandey
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
| | - Amol Suryawanshi
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
| | - Amit Kumar Mitra
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, Auburn, Alabama
- Center for Pharmacogenomics and Single-Cell Omics, Harrison School of Pharmacy, Auburn University, Auburn, Alabama
| | - Amarjit Mishra
- Laboratory of Lung Inflammation, College of Veterinary Medicine, Auburn University, Auburn, Alabama
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
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Wang S, Yao X, Ma S, Ping Y, Fan Y, Sun S, He Z, Shi Y, Sun L, Xiao S, Song M, Cai J, Li J, Tang R, Zhao L, Wang C, Wang Q, Zhao L, Hu H, Liu X, Sun G, Chen L, Pan G, Chen H, Li Q, Zhang P, Xu Y, Feng H, Zhao GG, Wen T, Yang Y, Huang X, Li W, Liu Z, Wang H, Wu H, Hu B, Ren Y, Zhou Q, Qu J, Zhang W, Liu GH, Bian XW. A single-cell transcriptomic landscape of the lungs of patients with COVID-19. Nat Cell Biol 2021; 23:1314-1328. [PMID: 34876692 PMCID: PMC8650955 DOI: 10.1038/s41556-021-00796-6] [Citation(s) in RCA: 99] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 10/18/2021] [Indexed: 02/08/2023]
Abstract
The lung is the primary organ targeted by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), making respiratory failure a leading coronavirus disease 2019 (COVID-19)-related mortality. However, our cellular and molecular understanding of how SARS-CoV-2 infection drives lung pathology is limited. Here we constructed multi-omics and single-nucleus transcriptomic atlases of the lungs of patients with COVID-19, which integrate histological, transcriptomic and proteomic analyses. Our work reveals the molecular basis of pathological hallmarks associated with SARS-CoV-2 infection in different lung and infiltrating immune cell populations. We report molecular fingerprints of hyperinflammation, alveolar epithelial cell exhaustion, vascular changes and fibrosis, and identify parenchymal lung senescence as a molecular state of COVID-19 pathology. Moreover, our data suggest that FOXO3A suppression is a potential mechanism underlying the fibroblast-to-myofibroblast transition associated with COVID-19 pulmonary fibrosis. Our work depicts a comprehensive cellular and molecular atlas of the lungs of patients with COVID-19 and provides insights into SARS-CoV-2-related pulmonary injury, facilitating the identification of biomarkers and development of symptomatic treatments.
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Affiliation(s)
- Si Wang
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, International Center for Aging and Cancer, Xuanwu Hospital Capital Medical University, Beijing, China
| | - Xiaohong Yao
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Shuai Ma
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Yifang Ping
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Yanling Fan
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, China National Center for Bioinformation, Chinese Academy of Sciences, Beijing, China
| | - Shuhui Sun
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Zhicheng He
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Yu Shi
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Liang Sun
- Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
- The NHC Key Laboratory of Drug Addiction Medicine, Kunming Medical University, Kunming, China
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatric, Beijing Hospital, National Center of Gerontology, National Health Commission, Beijing, China
| | - Shiqi Xiao
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Moshi Song
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jun Cai
- Department of Pathology, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jiaming Li
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, China National Center for Bioinformation, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Rui Tang
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Liyun Zhao
- Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, International Center for Aging and Cancer, Xuanwu Hospital Capital Medical University, Beijing, China
| | - Chaofu Wang
- Department of Pathology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Qiaoran Wang
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, China National Center for Bioinformation, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Lei Zhao
- Department of Pathology, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Huifang Hu
- University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Xindong Liu
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Guoqiang Sun
- University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Lu Chen
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Guoqing Pan
- The NHC Key Laboratory of Drug Addiction Medicine, Kunming Medical University, Kunming, China
| | - Huaiyong Chen
- Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin Institute of Respiratory Diseases, Haihe Hospital, Tianjin University, Tianjin, China
| | - Qingrui Li
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Peipei Zhang
- Department of Pathology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Intelligent Pathology Institute, The First Hospital Affiliated to University of Science and Technology of China, Hefei, China
| | - Yuanyuan Xu
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Huyi Feng
- Chongqing Renji Hospital, University of Chinese Academy of Sciences, Chongqing, China
| | - Guo-Guang Zhao
- Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, International Center for Aging and Cancer, Xuanwu Hospital Capital Medical University, Beijing, China
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Tianzi Wen
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
| | - Yungui Yang
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, China National Center for Bioinformation, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xuequan Huang
- Center of Minimally Invasive Intervention, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Wei Li
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Zhenhua Liu
- Department of Ultrasound, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Hongmei Wang
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Haibo Wu
- Intelligent Pathology Institute, The First Hospital Affiliated to University of Science and Technology of China, Hefei, China
| | - Baoyang Hu
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Yong Ren
- Department of Pathology, General Hospital of Central Theater Command of PLA, Wuhan, China
| | - Qi Zhou
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Jing Qu
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.
- University of Chinese Academy of Sciences, Beijing, China.
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.
| | - Weiqi Zhang
- Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, International Center for Aging and Cancer, Xuanwu Hospital Capital Medical University, Beijing, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, China National Center for Bioinformation, Chinese Academy of Sciences, Beijing, China.
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatric, Beijing Hospital, National Center of Gerontology, National Health Commission, Beijing, China.
| | - Guang-Hui Liu
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.
- Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, International Center for Aging and Cancer, Xuanwu Hospital Capital Medical University, Beijing, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.
- University of Chinese Academy of Sciences, Beijing, China.
| | - Xiu-Wu Bian
- Institute of Pathology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China.
- Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China.
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Gremlich S, Cremona TP, Yao E, Chabenet F, Fytianos K, Roth-Kleiner M, Schittny JC. Tenascin-C: Friend or Foe in Lung Aging? Front Physiol 2021; 12:749776. [PMID: 34777012 PMCID: PMC8578707 DOI: 10.3389/fphys.2021.749776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 09/28/2021] [Indexed: 11/13/2022] Open
Abstract
Lung aging is characterized by lung function impairment, ECM remodeling and airspace enlargement. Tenascin-C (TNC) is a large extracellular matrix (ECM) protein with paracrine and autocrine regulatory functions on cell migration, proliferation and differentiation. This matricellular protein is highly expressed during organogenesis and morphogenetic events like injury repair, inflammation or cancer. We previously showed that TNC deficiency affected lung development and pulmonary function, but little is known about its role during pulmonary aging. In order to answer this question, we characterized lung structure and physiology in 18 months old TNC-deficient and wild-type (WT) mice. Mice were mechanically ventilated with a basal and high tidal volume (HTV) ventilation protocol for functional analyses. Additional animals were used for histological, stereological and molecular biological analyses. We observed that old TNC-deficient mice exhibited larger lung volume, parenchymal volume, total airspace volume and septal surface area than WT, but similar mean linear intercept. This was accompanied by an increase in proliferation, but not apoptosis or autophagy markers expression throughout the lung parenchyma. Senescent cells were observed in epithelial cells of the conducting airways and in alveolar macrophages, but equally in both genotypes. Total collagen content was doubled in TNC KO lungs. However, basal and HTV ventilation revealed similar respiratory physiological parameters in both genotypes. Smooth muscle actin (α-SMA) analysis showed a faint increase in α-SMA positive cells in TNC-deficient lungs, but a marked increase in non-proliferative α-SMA + desmin + cells. Major TNC-related molecular pathways were not up- or down-regulated in TNC-deficient lungs as compared to WT; only minor changes in TLR4 and TGFβR3 mRNA expression were observed. In conclusion, TNC-deficient lungs at 18 months of age showed exaggerated features of the normal structural lung aging described to occur in mice between 12 and 18 months of age. Correlated to the increased pulmonary function parameters previously observed in young adult TNC-deficient lungs and described to occur in normal lung aging between 3 and 6 months of age, TNC might be an advantage in lung aging.
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Affiliation(s)
- Sandrine Gremlich
- Clinic of Neonatology, Department Woman-Mother-Child, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | | | - Eveline Yao
- Institute of Anatomy, University of Bern, Bern, Switzerland
| | - Farah Chabenet
- Clinic of Neonatology, Department Woman-Mother-Child, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Kleanthis Fytianos
- Department for BioMedical Research, University of Bern, Bern, Switzerland.,Division of Pulmonary Medicine, University of Bern, Bern, Switzerland
| | - Matthias Roth-Kleiner
- Clinic of Neonatology, Department Woman-Mother-Child, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
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36
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Schiffers C, Reynaert NL, Wouters EFM, van der Vliet A. Redox Dysregulation in Aging and COPD: Role of NOX Enzymes and Implications for Antioxidant Strategies. Antioxidants (Basel) 2021; 10:antiox10111799. [PMID: 34829671 PMCID: PMC8615131 DOI: 10.3390/antiox10111799] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/04/2021] [Accepted: 11/06/2021] [Indexed: 12/23/2022] Open
Abstract
With a rapidly growing elderly human population, the incidence of age-related lung diseases such as chronic obstructive pulmonary disease (COPD) continues to rise. It is widely believed that reactive oxygen species (ROS) play an important role in ageing and in age-related disease, and approaches of antioxidant supplementation have been touted as useful strategies to mitigate age-related disease progression, although success of such strategies has been very limited to date. Involvement of ROS in ageing is largely attributed to mitochondrial dysfunction and impaired adaptive antioxidant responses. NADPH oxidase (NOX) enzymes represent an important enzyme family that generates ROS in a regulated fashion for purposes of oxidative host defense and redox-based signalling, however, the associations of NOX enzymes with lung ageing or age-related lung disease have to date only been minimally addressed. The present review will focus on our current understanding of the impact of ageing on NOX biology and its consequences for age-related lung disease, particularly COPD, and will also discuss the implications of altered NOX biology for current and future antioxidant-based strategies aimed at treating these diseases.
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Affiliation(s)
- Caspar Schiffers
- Department of Pathology and Laboratory Medicine, University of Vermont, Burlington, VT 05405, USA; (C.S.); (E.F.M.W.)
- Ludwig Boltzmann Institute for Lung Health, 1140 Vienna, Austria
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center, 6211 LK Maastricht, The Netherlands;
| | - Niki L. Reynaert
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center, 6211 LK Maastricht, The Netherlands;
| | - Emiel F. M. Wouters
- Department of Pathology and Laboratory Medicine, University of Vermont, Burlington, VT 05405, USA; (C.S.); (E.F.M.W.)
- Ludwig Boltzmann Institute for Lung Health, 1140 Vienna, Austria
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center, 6211 LK Maastricht, The Netherlands;
| | - Albert van der Vliet
- Department of Pathology and Laboratory Medicine, University of Vermont, Burlington, VT 05405, USA; (C.S.); (E.F.M.W.)
- Correspondence:
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37
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Lee HS, Park HW. Role of mTOR in the development of asthma in mice with cigarette smoke-induced cellular senescence. J Gerontol A Biol Sci Med Sci 2021; 77:433-442. [PMID: 34723336 PMCID: PMC8893251 DOI: 10.1093/gerona/glab303] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Indexed: 11/14/2022] Open
Abstract
The role of cellular senescence in the development of asthma is not well known. We aimed to evaluate the susceptibility of mice with cellular senescence to asthma development and determine whether the mTOR pathway played an important role in this process. Cellular senescence was induced in mice by intranasal instillation of 2% cigarette smoke extract (CSE). Subsequently, a low dose (0.1 μg) of house dust mite (HDM) allergens, which cause no inflammation and airway hyperresponsiveness (AHR) in mice without cellular senescence, was administered intranasally. To evaluate the role of the mTOR pathway in this model, rapamycin (TORC1 inhibitor) was injected intraperitoneally before CSE instillation. CSE significantly increased senescence-associated β-gal activity in lung homogenate and S100A8/9+ p-mTOR+ population in lung cells. Moreover, S100A8/9+ or HMGB1+ populations in airway epithelial cells with p-mTOR activity increased remarkably. Rapamycin attenuated all changes. Subsequent administration of low-dose HDM allergen induced murine asthma characterized by increased AHR, serum HDM-specific immunoglobulin E, and eosinophilic airway inflammation; these asthma characteristics disappeared after rapamycin injection. In vitro experiments showed significant activation of bone marrow-derived cells cocultured with S100A9 or HMGB1 overexpressing MLE-12 cells treated with HDM allergen, compared to those treated with HDM allergen only. CSE increased the levels of senescence markers (S100A8/9 and HMGB1) in airway epithelial cells, making the mice susceptible to asthma development due to low-dose HDM allergens by activating dendritic cells. Because rapamycin significantly attenuated asthma characteristics, the mTOR pathway may be important in this murine model.
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Affiliation(s)
- Hyun Seung Lee
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, Republic of Korea.,Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Heung-Woo Park
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, Republic of Korea.,Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
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38
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Upregulation of Human Endogenous Retroviruses in Bronchoalveolar Lavage Fluid of COVID-19 Patients. Microbiol Spectr 2021; 9:e0126021. [PMID: 34612698 PMCID: PMC8510252 DOI: 10.1128/spectrum.01260-21] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Severe COVID-19 pneumonia has been associated with the development of intense inflammatory responses during the course of infections with SARS-CoV-2. Given that human endogenous retroviruses (HERVs) are known to be activated during and participate in inflammatory processes, we examined whether HERV dysregulation signatures are present in COVID-19 patients. By comparing transcriptomes of bronchoalveolar lavage fluid (BALF) of COVID-19 patients and healthy controls, and peripheral blood monocytes (PBMCs) from patients and controls, we have shown that HERVs are intensely dysregulated in BALF of COVID-19 patients compared to those in BALF of healthy control patients but not in PBMCs. In particular, upregulation in the expression of specific HERV families was detected in BALF samples of COVID-19 patients, with HERV-FRD being the most highly upregulated family among the families analyzed. In addition, we compared the expression of HERVs in human bronchial epithelial cells (HBECs) without and after senescence induction in an oncogene-induced senescence model in order to quantitatively measure changes in the expression of HERVs in bronchial cells during the process of cellular senescence. This apparent difference of HERV dysregulation between PBMCs and BALF warrants further studies in the involvement of HERVs in inflammatory pathogenetic mechanisms as well as exploration of HERVs as potential biomarkers for disease progression. Furthermore, the increase in the expression of HERVs in senescent HBECs in comparison to that in noninduced HBECs provides a potential link for increased COVID-19 severity and mortality in aged populations. IMPORTANCE SARS-CoV-2 emerged in late 2019 in China, causing a global pandemic. Severe COVID-19 is characterized by intensive inflammatory responses, and older age is an important risk factor for unfavorable outcomes. HERVs are remnants of ancient infections whose expression is upregulated in multiple conditions, including cancer and inflammation, and their expression is increased with increasing age. The significance of this work is that we were able to recognize dysregulated expression of endogenous retroviral elements in BALF samples but not in PBMCs of COVID-19 patients. At the same time, we were able to identify upregulated expression of multiple HERV families in senescence-induced HBECs in comparison to that in noninduced HBECs, a fact that could possibly explain the differences in disease severity among age groups. These results indicate that HERV expression might play a pathophysiological role in local inflammatory pathways in lungs afflicted by SARS-CoV-2 and their expression could be a potential therapeutic target.
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Fernandes SE, Saini DK. The ERK-p38MAPK-STAT3 Signalling Axis Regulates iNOS Expression and Salmonella Infection in Senescent Cells. Front Cell Infect Microbiol 2021; 11:744013. [PMID: 34746026 PMCID: PMC8569389 DOI: 10.3389/fcimb.2021.744013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 10/05/2021] [Indexed: 01/10/2023] Open
Abstract
The cellular changes occurring due to senescence like proliferation arrest, increase in free radical levels, and secretion of pro-inflammatory cytokines have been well studied, but its associated alteration in intracellular signalling networks has been scarcely explored. In this study, we examine the roles of three major kinases viz. p38 MAPK, ERK, and STAT3 in regulating iNOS expression and thereby the levels of the free radical Nitric oxide in senescent cells. Our study revealed that these kinases could differentially regulate iNOS in senescent cells compared to non-senescent cells. Further, we tested the physiological relevance of these alterations with Salmonella infection assays and established an inter-regulatory network between these kinases unique to infected senescent cells. Overall, our findings show how key signalling networks may be rewired in senescent cells rendering them phenotypically different.
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Affiliation(s)
- Sheryl Erica Fernandes
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India
| | - Deepak Kumar Saini
- Department of Molecular Reproduction, Development and Genetics, Indian Institute of Science, Bangalore, India
- Center For BioSystems Science and Engineering, Indian Institute of Science, Bangalore, India
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40
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Subramaniyan B, Larabee JL, Bodas M, Moore AR, Burgett AWG, Myers DA, Georgescu C, Wren JD, Papin JF, Walters MS. Characterization of the SARS-CoV-2 Host Response in Primary Human Airway Epithelial Cells from Aged Individuals. Viruses 2021; 13:v13081603. [PMID: 34452468 PMCID: PMC8402710 DOI: 10.3390/v13081603] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 08/03/2021] [Accepted: 08/06/2021] [Indexed: 12/29/2022] Open
Abstract
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) is the causative agent of coronavirus disease 2019 (COVID-19), a global pandemic characterized by an exaggerated immune response and respiratory illness. Age (>60 years) is a significant risk factor for developing severe COVID-19. To better understand the host response of the aged airway epithelium to SARS-CoV-2 infection, we performed an in vitro study using primary human bronchial epithelial cells from donors >67 years of age differentiated on an air–liquid interface culture. We demonstrate that SARS-CoV-2 infection leads to early induction of a proinflammatory response and a delayed interferon response. In addition, we observed changes in the genes and pathways associated with cell death and senescence throughout infection. In summary, our study provides new and important insights into the temporal kinetics of the airway epithelial innate immune response to SARS-CoV-2 in older individuals.
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Affiliation(s)
- Bharathiraja Subramaniyan
- Department of Medicine, Section of Pulmonary, Critical Care & Sleep Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; (B.S.); (M.B.); (A.R.M.)
| | - Jason L. Larabee
- Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
| | - Manish Bodas
- Department of Medicine, Section of Pulmonary, Critical Care & Sleep Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; (B.S.); (M.B.); (A.R.M.)
| | - Andrew R. Moore
- Department of Medicine, Section of Pulmonary, Critical Care & Sleep Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; (B.S.); (M.B.); (A.R.M.)
| | - Anthony W. G. Burgett
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
| | - Dean A. Myers
- Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
| | - Constantin Georgescu
- Genes & Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA; (C.G.); (J.D.W.)
| | - Jonathan D. Wren
- Genes & Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA; (C.G.); (J.D.W.)
| | - James F. Papin
- Department of Pathology, Division of Comparative Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
| | - Matthew S. Walters
- Department of Medicine, Section of Pulmonary, Critical Care & Sleep Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; (B.S.); (M.B.); (A.R.M.)
- Correspondence:
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41
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Wicher SA, Roos BB, Teske JJ, Fang YH, Pabelick C, Prakash YS. Aging increases senescence, calcium signaling, and extracellular matrix deposition in human airway smooth muscle. PLoS One 2021; 16:e0254710. [PMID: 34324543 PMCID: PMC8321097 DOI: 10.1371/journal.pone.0254710] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 07/01/2021] [Indexed: 12/23/2022] Open
Abstract
Lung function declines as people age and their lungs become stiffer. With an increasing elderly population, understanding mechanisms that contribute to these structural and functional changes in the aging lung is important. Part of the aging process is characterized by thicker, more fibrotic airways, and senile emphysema caused by changes in lung parenchyma. There is also senescence, which occurs throughout the body with aging. Here, using human airway smooth muscle (ASM) cells from patients in different age groups, we explored senescence pathways and changes in intracellular calcium signaling and extracellular matrix (ECM) deposition to elucidate potential mechanisms by which aging leads to thicker and stiffer lungs. Senescent markers p21, γH2AX, and β-gal, and some senescence-associated secretory proteins (SASP) increased with aging, as shown by staining and biochemical analyses. Agonist-induced intracellular Ca2+ responses, measured using fura-2 loaded cells and fluorescence imaging, increased with age. However, biochemical analysis showed that expression of the following markers decreased with age: M3 muscarinic receptor, TRPC3, Orai1, STIM1, SERCA2, MMP2 and MMP9. In contrast, collagen III, and fibronectin deposition increased with age. These data show that senescence increases in the aging airways that is associated with a stiffer but surprisingly greater intracellular calcium signaling as a marker for contractility. ASM senescence may enhance fibrosis in a feed forward loop promoting remodeling and altered calcium storage and buffering.
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Affiliation(s)
- Sarah A. Wicher
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Benjamin B. Roos
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Jacob J. Teske
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, United States of America
| | - Yun Hua Fang
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America
| | - Christina Pabelick
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, United States of America
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America
| | - Y. S. Prakash
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, United States of America
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America
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42
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Koloko Ngassie ML, Brandsma CA, Gosens R, Prakash YS, Burgess JK. The Stress of Lung Aging: Endoplasmic Reticulum and Senescence Tête-à-Tête. Physiology (Bethesda) 2021; 36:150-159. [PMID: 33904785 DOI: 10.1152/physiol.00039.2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Beyond the structural changes, features including the dysregulation of endoplasmic reticulum (ER) stress response and increased senescence characterize the lung aging. ER stress response and senescence have been reported to be induced by factors like cigarette smoke. Therefore, deciphering the mechanisms underlying ER and senescent pathways interaction has become a challenge. In this review we highlight the known and unknown regarding ER stress response and senescence and their cross talk in aged lung.
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Affiliation(s)
- M L Koloko Ngassie
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, The Netherlands
| | - C A Brandsma
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, The Netherlands
| | - R Gosens
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD; University of Groningen, Department of Molecular Pharmacology, Groningen, The Netherlands
| | - Y S Prakash
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
| | - J K Burgess
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, The Netherlands
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43
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Künzi L, Easter M, Hirsch MJ, Krick S. Cystic Fibrosis Lung Disease in the Aging Population. Front Pharmacol 2021; 12:601438. [PMID: 33935699 PMCID: PMC8082404 DOI: 10.3389/fphar.2021.601438] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 03/15/2021] [Indexed: 01/02/2023] Open
Abstract
The demographics of the population with cystic fibrosis (CF) is continuously changing, with nowadays adults outnumbering children and a median predicted survival of over 40 years. This leads to the challenge of treating an aging CF population, while previous research has largely focused on pediatric and adolescent patients. Chronic inflammation is not only a hallmark of CF lung disease, but also of the aging process. However, very little is known about the effects of an accelerated aging pathology in CF lungs. Several chronic lung disease pathologies show signs of chronic inflammation with accelerated aging, also termed “inflammaging”; the most notable being chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF). In these disease entities, accelerated aging has been implicated in the pathogenesis via interference with tissue repair mechanisms, alterations of the immune system leading to impaired defense against pulmonary infections and induction of a chronic pro-inflammatory state. In addition, CF lungs have been shown to exhibit increased expression of senescence markers. Sustained airway inflammation also leads to the degradation and increased turnover of cystic fibrosis transmembrane regulator (CFTR). This further reduces CFTR function and may prevent the novel CFTR modulator therapies from developing their full efficacy. Therefore, novel therapies targeting aging processes in CF lungs could be promising. This review summarizes the current research on CF in an aging population focusing on accelerated aging in the context of chronic airway inflammation and therapy implications.
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Affiliation(s)
- Lisa Künzi
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL, United States.,Epidemiology, Biostatistics and Prevention Institute, Department of Public and Global Health, University of Zürich, Zürich, Switzerland
| | - Molly Easter
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Meghan June Hirsch
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Stefanie Krick
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL, United States.,Gregory Fleming Cystic Fibrosis Research Center, University of Alabama at Birmingham, Birmingham, AL, United States.,Comprehensive Center for Healthy Aging, University of Alabama at Birmingham, Birmingham, AL, United States
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44
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Goplen NP, Cheon IS, Sun J. Age-Related Dynamics of Lung-Resident Memory CD8 + T Cells in the Age of COVID-19. Front Immunol 2021; 12:636118. [PMID: 33854506 PMCID: PMC8039372 DOI: 10.3389/fimmu.2021.636118] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/26/2021] [Indexed: 12/13/2022] Open
Abstract
Following respiratory viral infections or local immunizations, lung resident-memory T cells (TRM) of the CD8 lineage provide protection against the same pathogen or related pathogens with cross-reactive T cell epitopes. Yet, it is now clear that, if homeostatic controls are lost following viral pneumonia, CD8 TRM cells can mediate pulmonary pathology. We recently showed that the aging process can result in loss of homeostatic controls on CD8 TRM cells in the respiratory tract. This may be germane to treatment modalities in both influenza and coronavirus disease 2019 (COVID-19) patients, particularly, the portion that present with symptoms linked to long-lasting lung dysfunction. Here, we review the developmental cues and functionalities of CD8 TRM cells in viral pneumonia models with a particular focus on their capacity to mediate heterogeneous responses of immunity and pathology depending on immune status.
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Affiliation(s)
- Nick P Goplen
- Division of Pulmonary and Critical Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, United States
| | - In Su Cheon
- Division of Pulmonary and Critical Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, United States
| | - Jie Sun
- Division of Pulmonary and Critical Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, United States.,The Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, United States.,Department of Immunology, Mayo Clinic, Rochester, MN, United States
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45
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Piñeiro-Hermida S, Autilio C, Martínez P, Bosch F, Pérez-Gil J, Blasco MA. Telomerase treatment prevents lung profibrotic pathologies associated with physiological aging. J Cell Biol 2021; 219:152010. [PMID: 32777016 PMCID: PMC7659728 DOI: 10.1083/jcb.202002120] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 06/23/2020] [Accepted: 07/17/2020] [Indexed: 02/08/2023] Open
Abstract
Short/dysfunctional telomeres are at the origin of idiopathic pulmonary fibrosis (IPF) in patients mutant for telomere maintenance genes. However, it remains unknown whether physiological aging leads to short telomeres in the lung, thus leading to IPF with aging. Here, we find that physiological aging in wild-type mice leads to telomere shortening and a reduced proliferative potential of alveolar type II cells and club cells, increased cellular senescence and DNA damage, increased fibroblast activation and collagen deposits, and impaired lung biophysics, suggestive of a fibrosis-like pathology. Treatment of both wild-type and telomerase-deficient mice with telomerase gene therapy prevented the onset of lung profibrotic pathologies. These findings suggest that short telomeres associated with physiological aging are at the origin of IPF and that a potential treatment for IPF based on telomerase activation would be of interest not only for patients with telomerase mutations but also for sporadic cases of IPF associated with physiological aging.
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Affiliation(s)
- Sergio Piñeiro-Hermida
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre, Madrid, Spain
| | - Chiara Autilio
- Department of Biochemistry and Molecular Biology, Research Institute "Hospital 12 de Octubre (imas12)," Complutense University, Madrid, Spain
| | - Paula Martínez
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre, Madrid, Spain
| | - Fátima Bosch
- Center of Animal Biotechnology and Gene Therapy, Department of Biochemistry and Molecular Biology, School of Veterinary Medicine, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Jesús Pérez-Gil
- Department of Biochemistry and Molecular Biology, Research Institute "Hospital 12 de Octubre (imas12)," Complutense University, Madrid, Spain
| | - Maria A Blasco
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre, Madrid, Spain
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46
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Ciarambino T, Para O, Giordano M. Immune system and COVID-19 by sex differences and age. WOMEN'S HEALTH (LONDON, ENGLAND) 2021; 17:17455065211022262. [PMID: 34096383 PMCID: PMC8188967 DOI: 10.1177/17455065211022262] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 03/19/2021] [Accepted: 05/06/2021] [Indexed: 12/12/2022]
Abstract
In COVID-19 disease, are reported gender differences in relation to severity and death. The aim of this review is to highlight gender differences in the immune response to COVID-19. The included studies were identified using PubMed, until 30 October 2020. The search included the following keywords: SARS-CoV-2, COVID-19, gender, age, sex, and immune system. Literature described that females compared to males have greater inflammatory, antiviral, and humoral immune responses. In female, estrogen is a potential ally to alleviate SARS-COV-2 disease. In male, testosterone reduces vaccination response and depresses the cytokine response. In the older patients, and in particular, in female older patients, it has been reported a progressive functional decline in the immune systems. Differences by gender were reported in infection diseases, including SARS-CoV-2. These data should be confirmed by the other epidemiological studies.
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Affiliation(s)
- Tiziana Ciarambino
- Department of Internal Medicine, Marcianise Hospital, ASL Caserta, Italy
| | - Ombretta Para
- Department of Internal Medicine, Careggi Hospital, University of Florence, Florence, Italy
| | - Mauro Giordano
- Department of Internal Medicine, University of Campania, L. Vanvitelli, Naples, Italy
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Omote N, Sauler M. Non-coding RNAs as Regulators of Cellular Senescence in Idiopathic Pulmonary Fibrosis and Chronic Obstructive Pulmonary Disease. Front Med (Lausanne) 2020; 7:603047. [PMID: 33425948 PMCID: PMC7785852 DOI: 10.3389/fmed.2020.603047] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 11/09/2020] [Indexed: 12/14/2022] Open
Abstract
Cellular senescence is a cell fate implicated in the pathogenesis of idiopathic pulmonary fibrosis (IPF) and chronic obstructive pulmonary disease (COPD). Cellular senescence occurs in response to cellular stressors such as oxidative stress, DNA damage, telomere shortening, and mitochondrial dysfunction. Whether these stresses induce cellular senescence or an alternative cell fate depends on the type and magnitude of cellular stress, but also on intrinsic factors regulating the cellular stress response. Non-coding RNAs, including both microRNAs and long non-coding RNAs, are key regulators of cellular stress responses and susceptibility to cellular senescence. In this review, we will discuss cellular mechanisms that contribute to senescence in IPF and COPD and highlight recent advances in our understanding of how these processes are influenced by non-coding RNAs. We will also discuss the potential therapeutic role for targeting non-coding RNAs to treat these chronic lung diseases.
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Affiliation(s)
- Norihito Omote
- Pulmonary, Critical Care and Sleep Medicine Section, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - Maor Sauler
- Pulmonary, Critical Care and Sleep Medicine Section, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, United States
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Al-Mudares F, Reddick S, Ren J, Venkatesh A, Zhao C, Lingappan K. Role of Growth Differentiation Factor 15 in Lung Disease and Senescence: Potential Role Across the Lifespan. Front Med (Lausanne) 2020; 7:594137. [PMID: 33344478 PMCID: PMC7744305 DOI: 10.3389/fmed.2020.594137] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 11/11/2020] [Indexed: 12/12/2022] Open
Abstract
Growth Differentiation Factor 15 (GDF15) is a divergent member of transforming growth factor-beta (TGF-β) superfamily and is ubiquitously expressed, under normal physiological conditions. GDF15 expression increases during many pathological states and serves a marker of cellular stress. GDF15 has multiple and even paradoxical roles within a pathological condition, as its effects can be dose- and time-dependent and vary based on the targeted tissues and downstream pathways. GDF15 has emerged as one of the most recognized proteins as part of the senescence associated secretory phenotype. Cellular senescence plays a major role in many lung diseases across the life-span from bronchopulmonary dysplasia in the premature neonate to COPD and idiopathic pulmonary fibrosis in aged adults. GDF15 levels have been reported to be as a useful biomarker in chronic obstructive pulmonary disease, lung fibrosis and pulmonary arterial hypertension and predict disease severity, decline in lung function and mortality. Glial-cell-line-derived neurotrophic factor family receptor alpha-like (GFRAL) in the brain stem has been identified as the only validated GDF15 receptor and mediates GDF15-mediated anorexia and wasting. The mechanisms and pathways by which GDF15 exerts its pulmonary effects are being elucidated. GDF15 may also have an impact on the lung based on the changes in circulating levels or through the central action of GDF15 activating peripheral metabolic changes. This review focuses on the role of GDF15 in different lung diseases across the lifespan and its role in cellular senescence.
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Affiliation(s)
- Faeq Al-Mudares
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, United States
| | | | - Jenny Ren
- Baylor College of Medicine, Houston, TX, United States
| | | | - Candi Zhao
- Rice University, Houston, TX, United States
| | - Krithika Lingappan
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, United States
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49
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Venosa A. Senescence in Pulmonary Fibrosis: Between Aging and Exposure. Front Med (Lausanne) 2020; 7:606462. [PMID: 33282895 PMCID: PMC7689159 DOI: 10.3389/fmed.2020.606462] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 10/23/2020] [Indexed: 12/15/2022] Open
Abstract
To date, chronic pulmonary pathologies represent the third leading cause of death in the elderly population. Evidence-based projections suggest that >65 (years old) individuals will account for approximately a quarter of the world population before the turn of the century. Genomic instability, telomere attrition, epigenetic alterations, loss of proteostasis, deregulated nutrient sensing, mitochondrial dysfunction, cellular senescence, stem cell exhaustion, and altered intercellular communication, are described as the nine “hallmarks” that govern cellular fitness. Any deviation from the normal pattern initiates a complex cascade of events culminating to a disease state. This blueprint, originally employed to describe aberrant changes in cancer cells, can be also used to describe aging and fibrosis. Pulmonary fibrosis (PF) is the result of a progressive decline in injury resolution processes stemming from endogenous (physiological decline or somatic mutations) or exogenous stress. Environmental, dietary or occupational exposure accelerates the pathogenesis of a senescent phenotype based on (1) window of exposure; (2) dose, duration, recurrence; and (3) cells type being targeted. As the lung ages, the threshold to generate an irreversibly senescent phenotype is lowered. However, we do not have sufficient knowledge to make accurate predictions. In this review, we provide an assessment of the literature that interrogates lung epithelial, mesenchymal, and immune senescence at the intersection of aging, environmental exposure and pulmonary fibrosis.
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Affiliation(s)
- Alessandro Venosa
- Department of Pharmacology and Toxicology, University of Utah College of Pharmacy, Salt Lake City, UT, United States
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50
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Yazicioglu T, Mühlfeld C, Autilio C, Huang CK, Bär C, Dittrich-Breiholz O, Thum T, Pérez-Gil J, Schmiedl A, Brandenberger C. Aging impairs alveolar epithelial type II cell function in acute lung injury. Am J Physiol Lung Cell Mol Physiol 2020; 319:L755-L769. [DOI: 10.1152/ajplung.00093.2020] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Morbidity and mortality rates in acute lung injury (ALI) increase with age. As alveolar epithelial type II cells (AE2) are crucial for lung function and repair, we hypothesized that aging promotes senescence in AE2 and contributes to the severity and impaired regeneration in ALI. ALI was induced with 2.5 μg lipopolysaccharide/g body weight in young (3 mo) and old (18 mo) mice that were euthanized 24 h, 72 h, and 10 days later. Lung function, pulmonary surfactant activity, stereology, cell senescence, and single-cell RNA sequencing analyses were performed to investigate AE2 function in aging and ALI. In old mice, surfactant activity was severely impaired. A 60% mortality rate and lung function decline were observed in old, but not in young, mice with ALI. AE2 of young mice adapted to injury by increasing intracellular surfactant volume and proliferation rate. In old mice, however, this adaptive response was compromised, and AE2 of old mice showed signs of cell senescence, increased inflammatory signaling, and impaired surfactant metabolism in ALI. These findings provide evidence that ALI promotes a limited proliferation rate, increased inflammatory response, and surfactant dysfunction in old, but not in young, mice, supporting an impaired regenerative capacity and reduced survival rate in ALI with advancing age.
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Affiliation(s)
- Tolga Yazicioglu
- Institute of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany
| | - Christian Mühlfeld
- Institute of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - Chiara Autilio
- Department of Biochemistry and Molecular Biology, Faculty of Biology, and Research Institute “Hospital 12 de Octubre (imas12)”, Complutense University, Madrid, Spain
| | - Cheng-Kai Huang
- Institute of Molecular and Translational Therapeutic Strategies, Hannover Medical School, Hannover, Germany
| | - Christian Bär
- Institute of Molecular and Translational Therapeutic Strategies, Hannover Medical School, Hannover, Germany
- REBIRTH Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
| | | | - Thomas Thum
- Institute of Molecular and Translational Therapeutic Strategies, Hannover Medical School, Hannover, Germany
- REBIRTH Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
| | - Jesús Pérez-Gil
- Department of Biochemistry and Molecular Biology, Faculty of Biology, and Research Institute “Hospital 12 de Octubre (imas12)”, Complutense University, Madrid, Spain
| | - Andreas Schmiedl
- Institute of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - Christina Brandenberger
- Institute of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
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