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Yousefzadeh MJ, Flores RR, Zhu Y, Schmiechen ZC, Brooks RW, Trussoni CE, Cui Y, Angelini L, Lee KA, McGowan SJ, Burrack AL, Wang D, Dong Q, Lu A, Sano T, O'Kelly RD, McGuckian CA, Kato JI, Bank MP, Wade EA, Pillai SPS, Klug J, Ladiges WC, Burd CE, Lewis SE, LaRusso NF, Vo NV, Wang Y, Kelley EE, Huard J, Stromnes IM, Robbins PD, Niedernhofer LJ. An aged immune system drives senescence and ageing of solid organs. Nature 2021; 594:100-105. [PMID: 33981041 PMCID: PMC8684299 DOI: 10.1038/s41586-021-03547-7] [Citation(s) in RCA: 321] [Impact Index Per Article: 107.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 04/13/2021] [Indexed: 11/09/2022]
Abstract
Ageing of the immune system, or immunosenescence, contributes to the morbidity and mortality of the elderly1,2. To define the contribution of immune system ageing to organism ageing, here we selectively deleted Ercc1, which encodes a crucial DNA repair protein3,4, in mouse haematopoietic cells to increase the burden of endogenous DNA damage and thereby senescence5-7 in the immune system only. We show that Vav-iCre+/-;Ercc1-/fl mice were healthy into adulthood, then displayed premature onset of immunosenescence characterized by attrition and senescence of specific immune cell populations and impaired immune function, similar to changes that occur during ageing in wild-type mice8-10. Notably, non-lymphoid organs also showed increased senescence and damage, which suggests that senescent, aged immune cells can promote systemic ageing. The transplantation of splenocytes from Vav-iCre+/-;Ercc1-/fl or aged wild-type mice into young mice induced senescence in trans, whereas the transplantation of young immune cells attenuated senescence. The treatment of Vav-iCre+/-;Ercc1-/fl mice with rapamycin reduced markers of senescence in immune cells and improved immune function11,12. These data demonstrate that an aged, senescent immune system has a causal role in driving systemic ageing and therefore represents a key therapeutic target to extend healthy ageing.
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Affiliation(s)
- Matthew J Yousefzadeh
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Rafael R Flores
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Yi Zhu
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Zoe C Schmiechen
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, USA
| | - Robert W Brooks
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL, USA
| | - Christy E Trussoni
- Division of Gastroenterology, Center for Cell Signaling in Gastroenterology, Mayo Clinic, Rochester, MN, USA
| | - Yuxiang Cui
- Department of Chemistry, University of California Riverside, Riverside, CA, USA
| | - Luise Angelini
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Kyoo-A Lee
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Sara J McGowan
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Adam L Burrack
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, USA
| | - Dong Wang
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Qing Dong
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Aiping Lu
- Department of Orthopedic Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Tokio Sano
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL, USA
| | - Ryan D O'Kelly
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Collin A McGuckian
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Jonathan I Kato
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL, USA
| | - Michael P Bank
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL, USA
| | - Erin A Wade
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL, USA
| | | | - Jenna Klug
- Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Warren C Ladiges
- Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Christin E Burd
- Departments of Molecular Genetics and Cancer Biology and Genetics, The Ohio State University, Columbus, OH, USA
| | - Sara E Lewis
- Department of Physiology & Pharmacology, West Virginia University, Morgantown, WV, USA
| | - Nicholas F LaRusso
- Division of Gastroenterology, Center for Cell Signaling in Gastroenterology, Mayo Clinic, Rochester, MN, USA
| | - Nam V Vo
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yinsheng Wang
- Department of Chemistry, University of California Riverside, Riverside, CA, USA
| | - Eric E Kelley
- Department of Physiology & Pharmacology, West Virginia University, Morgantown, WV, USA
| | - Johnny Huard
- Department of Orthopedic Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Ingunn M Stromnes
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, USA
| | - Paul D Robbins
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA.
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA.
| | - Laura J Niedernhofer
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA.
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA.
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Dorronsoro A, Santiago FE, Grassi D, Zhang T, Lai RC, McGowan SJ, Angelini L, Lavasani M, Corbo L, Lu A, Brooks RW, Garcia‐Contreras M, Stolz DB, Amelio A, Boregowda SV, Fallahi M, Reich A, Ricordi C, Phinney DG, Huard J, Lim SK, Niedernhofer LJ, Robbins PD. Mesenchymal stem cell-derived extracellular vesicles reduce senescence and extend health span in mouse models of aging. Aging Cell 2021; 20:e13337. [PMID: 33728821 PMCID: PMC8045949 DOI: 10.1111/acel.13337] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/30/2021] [Accepted: 02/12/2021] [Indexed: 12/15/2022] Open
Abstract
Aging drives progressive loss of the ability of tissues to recover from stress, partly through loss of somatic stem cell function and increased senescent burden. We demonstrate that bone marrow-derived mesenchymal stem cells (BM-MSCs) rapidly senescence and become dysfunctional in culture. Injection of BM-MSCs from young mice prolonged life span and health span, and conditioned media (CM) from young BM-MSCs rescued the function of aged stem cells and senescent fibroblasts. Extracellular vesicles (EVs) from young BM-MSC CM extended life span of Ercc1-/- mice similarly to injection of young BM-MSCs. Finally, treatment with EVs from MSCs generated from human ES cells reduced senescence in culture and in vivo, and improved health span. Thus, MSC EVs represent an effective and safe approach for conferring the therapeutic effects of adult stem cells, avoiding the risks of tumor development and donor cell rejection. These results demonstrate that MSC-derived EVs are highly effective senotherapeutics, slowing the progression of aging, and diseases driven by cellular senescence.
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Affiliation(s)
- Akaitz Dorronsoro
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
| | - Fernando E. Santiago
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
- Institute on the Biology of Aging and Metabolism and Department of Biochemistry, Molecular Biology and Biophysics University of Minnesota Minneapolis Minnesota USA
| | - Diego Grassi
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
| | - Tianpeng Zhang
- Institute on the Biology of Aging and Metabolism and Department of Biochemistry, Molecular Biology and Biophysics University of Minnesota Minneapolis Minnesota USA
| | | | - Sara J. McGowan
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
- Institute on the Biology of Aging and Metabolism and Department of Biochemistry, Molecular Biology and Biophysics University of Minnesota Minneapolis Minnesota USA
| | - Luise Angelini
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
- Institute on the Biology of Aging and Metabolism and Department of Biochemistry, Molecular Biology and Biophysics University of Minnesota Minneapolis Minnesota USA
| | | | - Lana Corbo
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
| | - Aiping Lu
- The Steadman Philippon Research Institute Vail Colorado USA
| | - Robert W. Brooks
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
| | | | - Donna B. Stolz
- Department of Cell Biology University of Pittsburgh School of Medicine Pittsburgh Pennsylveniya USA
| | - Antonio Amelio
- Lineberger Cancer Center University of North Carolina Chapel Hill North Carolina USA
- Department of Bioinformatics Scripps Research Jupiter Florida USA
| | - Siddaraju V. Boregowda
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
| | - Mohammad Fallahi
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
- Department of Bioinformatics Scripps Research Jupiter Florida USA
| | - Adrian Reich
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
- Department of Bioinformatics Scripps Research Jupiter Florida USA
| | - Camillo Ricordi
- Diabetes Research Institute University of Miami Miami Florida USA
| | - Donald G. Phinney
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
| | - Johnny Huard
- The Steadman Philippon Research Institute Vail Colorado USA
| | - Sai Kiang Lim
- Institute of Medical Biology ASTAR Singapore Singapore
| | - Laura J. Niedernhofer
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
- Institute on the Biology of Aging and Metabolism and Department of Biochemistry, Molecular Biology and Biophysics University of Minnesota Minneapolis Minnesota USA
| | - Paul D. Robbins
- Center on Aging and Departments of Molecular Medicine Scripps Research Jupiter Florida USA
- Institute on the Biology of Aging and Metabolism and Department of Biochemistry, Molecular Biology and Biophysics University of Minnesota Minneapolis Minnesota USA
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Brooks RW, Parker BC, Gruft H, Falkinham JO. Epidemiology of infection by nontuberculous mycobacteria. V. Numbers in eastern United States soils and correlation with soil characteristics. Am Rev Respir Dis 1984; 130:630-3. [PMID: 6486562 DOI: 10.1164/arrd.1984.130.4.630] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Organisms of the Mycobacterium avium, M. intracellulare, and M. scrofulaceum (MAIS) group were recovered in significant numbers from 63 soil samples collected from the floodplains of 4 major rivers in the eastern United States: Hudson (NY), James (VA), Savannah (GA, SC), and Tombigbee (AL, MS). The mean numbers of M. avium-intracellulare, M. scrofulaceum, and MAIS-intermediate biovars recovered increased significantly from the Hudson to the James to the Tombigbee and Savannah soil samples, agreeing reasonably well with previous findings on MAIS distribution in eastern U.S. waters and with the geographic distribution of naval recruits reacting to PPD-B and PPD-G, which is higher in the southeastern United States. From the Savannah and Tombigbee rivers, soils were collected throughout their lengths. The number of total MAIS and biovars recovered from the different soil sites varied widely and showed no obvious trends. However, statistical analysis revealed a highly significant correlation between high numbers of MAIS recovered and high acidity of the soils. Other soil characteristics, such as high total organic matter, high conductivity, and reduced moisture, were only weakly, if at all, correlated with high MAIS numbers. Whereas the general distribution of MAIS in these soils of the Northeast (NY), mid-Atlantic (VA), and Southeast (GA, SC, AL, and MS) might explain the geographic distribution of the naval recruits reacting to PPD-B and PPD-G, the distribution of MAIS in soils along the stretches of the 2 southeastern rivers was not correlated with the county-by-county frequency of PPD-B reactive naval recruits in Georgia, South Carolina, Alabama, and Mississippi.
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