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Lopez-Jimenez F, Kapa S, Friedman PA, LeBrasseur NK, Klavetter E, Mangold KE, Attia ZI. Assessing Biological Age: The Potential of ECG Evaluation Using Artificial Intelligence: JACC Family Series. JACC Clin Electrophysiol 2024; 10:775-789. [PMID: 38597855 DOI: 10.1016/j.jacep.2024.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 02/08/2024] [Accepted: 02/11/2024] [Indexed: 04/11/2024]
Abstract
Biological age may be a more valuable predictor of morbidity and mortality than a person's chronological age. Mathematical models have been used for decades to predict biological age, but recent developments in artificial intelligence (AI) have led to new capabilities in age estimation. Using deep learning methods to train AI models on hundreds of thousands of electrocardiograms (ECGs) to predict age results in a good, but imperfect, age prediction. The error predicting age using ECG, or the difference between AI-ECG-derived age and chronological age (delta age), may be a surrogate measurement of biological age, as the delta age relates to survival, even after adjusting for chronological age and other covariates associated with total and cardiovascular mortality. The relative affordability, noninvasiveness, and ubiquity of ECGs, combined with ease of access and potential to be integrated with smartphone or wearable technology, presents a potential paradigm shift in assessment of biological age.
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Affiliation(s)
- Francisco Lopez-Jimenez
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, USA.
| | - Suraj Kapa
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Paul A Friedman
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Eric Klavetter
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Kathryn E Mangold
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Zachi I Attia
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
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2
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LeBrasseur NK. Hungry for biomarkers of aging. Aging Cell 2024; 23:e14158. [PMID: 38532727 PMCID: PMC11019142 DOI: 10.1111/acel.14158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/18/2024] [Accepted: 03/19/2024] [Indexed: 03/28/2024] Open
Affiliation(s)
- Nathan K. LeBrasseur
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Paul F. Glenn Center for Biology of Aging Research at Mayo ClinicRochesterMinnesotaUSA
- Department of Physical Medicine and RehabilitationMayo ClinicRochesterMinnesotaUSA
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3
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Zhang X, Ng YE, Chini LCS, Heeren AA, White TA, Li H, Huang H, Doolittle ML, Khosla S, LeBrasseur NK. Senescent skeletal muscle fibroadipogenic progenitors recruit and promote M2 polarization of macrophages. Aging Cell 2024; 23:e14069. [PMID: 38115574 DOI: 10.1111/acel.14069] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/27/2023] [Accepted: 11/28/2023] [Indexed: 12/21/2023] Open
Abstract
Senescent cells compromise tissue structure and function in older organisms. We recently identified senescent fibroadipogenic progenitors (FAPs) with activated chemokine signaling pathways in the skeletal muscle of old mice, and hypothesized these cells may contribute to the age-associated accumulation of immune cells in skeletal muscle. In this study, through cell-cell communication analysis of skeletal muscle single-cell RNA-sequencing data, we identified unique interactions between senescent FAPs and macrophages, including those mediated by Ccl2 and Spp1. Using mouse primary FAPs in vitro, we verified increased expression of Ccl2 and Spp1 and secretion of their respective proteins in the context of both irradiation- and etoposide-induced senescence. Compared to non-senescent FAPs, the medium of senescent FAPs markedly increased the recruitment of macrophages in an in vitro migration assay, an effect that was mitigated by preincubation with antibodies to either CCL2 or osteopontin (encoded by Spp1). Further studies demonstrated that the secretome of senescent FAPs promotes polarization of macrophages toward an M2 subtype. These data suggest the unique secretome of senescent FAPs may compromise skeletal muscle homeostasis by recruiting and directing the behavior of macrophages.
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Affiliation(s)
- Xu Zhang
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota, USA
- Paul F. Glenn Center for Biology of Aging Research at Mayo Clinic, Rochester, Minnesota, USA
| | - Yan Er Ng
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - Lucas C S Chini
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - Amanda A Heeren
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - Thomas A White
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - Hao Li
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota, USA
| | - Haojie Huang
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota, USA
| | - Madison L Doolittle
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Division of Endocrinology, Mayo Clinic, Rochester, Minnesota, USA
| | - Sundeep Khosla
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Division of Endocrinology, Mayo Clinic, Rochester, Minnesota, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Paul F. Glenn Center for Biology of Aging Research at Mayo Clinic, Rochester, Minnesota, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
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4
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Fielding RA, Atkinson EJ, Aversa Z, White TA, Heeren AA, Mielke MM, Cummings SR, Pahor M, Leeuwenburgh C, LeBrasseur NK. Biomarkers of Cellular Senescence Predict the Onset of Mobility Disability and Are Reduced by Physical Activity in Older Adults. J Gerontol A Biol Sci Med Sci 2024; 79:glad257. [PMID: 37948612 PMCID: PMC10851672 DOI: 10.1093/gerona/glad257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Indexed: 11/12/2023] Open
Abstract
Studies in mice and cross-sectional studies in humans support the premise that cellular senescence is a contributing mechanism to age-associated deficits in physical function. We tested the hypotheses that circulating proteins secreted by senescent cells are (i) associated with the incidence of major mobility disability (MMD), the development of persistent mobility disability (PMMD), and decrements in physical functioning in older adults, and (ii) influenced by physical activity (PA). Using samples and data obtained longitudinally from the Lifestyle Interventions in Elders Study clinical trial, we measured a panel of 27 proteins secreted by senescent cells. Among 1 377 women and men randomized to either a structured PA intervention or a healthy aging (HA) intervention, we observed significant associations between several senescence biomarkers, most distinctly vascular endothelial growth factor A (VEGFA), tumor necrosis factor receptor 1 (TNFR1), and matrix metallopeptidase 7 (MMP7), and the onset of both MMD and PMMD. Moreover, VEGFA, GDF15, osteopontin, and other senescence biomarkers were associated with reductions in short physical performance battery scores. The change in senescence biomarkers did not differ between PA and HA participants. In the whole cohort, higher levels of PA were associated with significantly greater reductions in 10 senescence-related proteins at 12 and/or 24 months. These data reinforce cellular senescence as a contributing mechanism of age-associated functional decline and the potential for PA to attenuate this hallmark of aging. Clinical Trials Registration Number: NCT01072500.
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Affiliation(s)
- Roger A Fielding
- Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts, USA
| | - Elizabeth J Atkinson
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Zaira Aversa
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Thomas A White
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - Amanda A Heeren
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - Michelle M Mielke
- Department of Epidemiology and Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Steven R Cummings
- Departments of Medicine, Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA
- Research Institute, California Pacific Medical Center, San Francisco, California, USA
| | - Marco Pahor
- Institute on Aging, University of Florida, Gainesville, Florida, USA
| | | | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
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5
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Aversa Z, White TA, Heeren AA, Hulshizer CA, Saul D, Zhang X, Molina AJA, Redman LM, Martin CK, Racette SB, Huffman KM, Bhapkar M, Khosla S, Das SK, Fielding RA, Atkinson EJ, LeBrasseur NK. Calorie restriction reduces biomarkers of cellular senescence in humans. Aging Cell 2024; 23:e14038. [PMID: 37961856 PMCID: PMC10861196 DOI: 10.1111/acel.14038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 10/19/2023] [Accepted: 10/22/2023] [Indexed: 11/15/2023] Open
Abstract
Calorie restriction (CR) with adequate nutrient intake is a potential geroprotective intervention. To advance this concept in humans, we tested the hypothesis that moderate CR in healthy young-to-middle-aged individuals would reduce circulating biomarkers of cellular senescence, a fundamental mechanism of aging and aging-related conditions. Using plasma specimens from the Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy (CALERIE™) phase 2 study, we found that CR significantly reduced the concentrations of several senescence biomarkers at 12 and 24 months compared to an ad libitum diet. Using machine learning, changes in biomarker concentrations emerged as important predictors of the change in HOMA-IR and insulin sensitivity index at 12 and 24 months, and the change in resting metabolic rate residual at 12 months. Finally, using adipose tissue RNA-sequencing data from a subset of participants, we observed a significant reduction in a senescence-focused gene set in response to CR at both 12 and 24 months compared to baseline. Our results advance the understanding of the effects of CR in humans and further support a link between cellular senescence and metabolic health.
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Affiliation(s)
- Zaira Aversa
- Robert and Arlene Kogod Center on Aging, Mayo ClinicRochesterMinnesotaUSA
- Department of Physical Medicine and RehabilitationMayo ClinicRochesterMinnesotaUSA
| | - Thomas A. White
- Robert and Arlene Kogod Center on Aging, Mayo ClinicRochesterMinnesotaUSA
| | - Amanda A. Heeren
- Robert and Arlene Kogod Center on Aging, Mayo ClinicRochesterMinnesotaUSA
| | | | - Dominik Saul
- Robert and Arlene Kogod Center on Aging, Mayo ClinicRochesterMinnesotaUSA
- Department of Trauma and Reconstructive SurgeryEberhard Karls University Tübingen, BG Trauma Center TübingenTübingenGermany
| | - Xu Zhang
- Robert and Arlene Kogod Center on Aging, Mayo ClinicRochesterMinnesotaUSA
| | | | | | - Corby K. Martin
- Pennington Biomedical Research CenterBaton RougeLouisianaUSA
| | - Susan B. Racette
- College of Health SolutionsArizona State UniversityPhoenixArizonaUSA
- Program in Physical TherapyWashington University School of MedicineSt. LouisMissouriUSA
| | - Kim M. Huffman
- Duke Clinical Research Institute and Molecular Physiology Institute, School of MedicineDurhamNorth CarolinaUSA
| | - Manjushri Bhapkar
- Duke Clinical Research Institute and Molecular Physiology Institute, School of MedicineDurhamNorth CarolinaUSA
| | - Sundeep Khosla
- Robert and Arlene Kogod Center on Aging, Mayo ClinicRochesterMinnesotaUSA
- Division of EndocrinologyMayo Clinic College of MedicineRochesterMinnesotaUSA
| | - Sai Krupa Das
- Energy Metabolism Team, Jean Mayer USDA Human Nutrition Research Center on AgingTufts UniversityBostonMassachusettsUSA
| | - Roger A. Fielding
- Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on AgingTufts UniversityBostonMassachusettsUSA
| | | | - Nathan K. LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo ClinicRochesterMinnesotaUSA
- Department of Physical Medicine and RehabilitationMayo ClinicRochesterMinnesotaUSA
- Paul F. Glenn Center for the Biology of Aging at Mayo ClinicRochesterMinnesotaUSA
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6
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Englund DA, Jolliffe AM, Hanson GJ, Aversa Z, Zhang X, Jiang X, White TA, Zhang L, Monroe DG, Robbins PD, Niedernhofer LJ, Kamenecka TM, Khosla S, LeBrasseur NK. Senotherapeutic drug treatment ameliorates chemotherapy-induced cachexia. JCI Insight 2024; 9:e169512. [PMID: 38051584 PMCID: PMC10906225 DOI: 10.1172/jci.insight.169512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 12/01/2023] [Indexed: 12/07/2023] Open
Abstract
Cachexia is a debilitating skeletal muscle wasting condition for which we currently lack effective treatments. In the context of cancer, certain chemotherapeutics cause DNA damage and cellular senescence. Senescent cells exhibit chronic activation of the transcription factor NF-κB, a known mediator of the proinflammatory senescence-associated secretory phenotype (SASP) and skeletal muscle atrophy. Thus, targeting NF-κB represents a logical therapeutic strategy to alleviate unintended consequences of genotoxic drugs. Herein, we show that treatment with the IKK/NF-κB inhibitor SR12343 during a course of chemotherapy reduces markers of cellular senescence and the SASP in liver, skeletal muscle, and circulation and, correspondingly, attenuates features of skeletal muscle pathology. Lastly, we demonstrate that SR12343 mitigates chemotherapy-induced reductions in body weight, lean mass, fat mass, and muscle strength. These findings support senescent cells as a promising druggable target to counteract the SASP and skeletal muscle wasting in the context of chemotherapy.
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Affiliation(s)
- Davis A. Englund
- Robert and Arlene Kogod Center on Aging, and
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Alyssa M. Jolliffe
- Robert and Arlene Kogod Center on Aging, and
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Gabriel J. Hanson
- Robert and Arlene Kogod Center on Aging, and
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Zaira Aversa
- Robert and Arlene Kogod Center on Aging, and
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Xu Zhang
- Robert and Arlene Kogod Center on Aging, and
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Xinyi Jiang
- Robert and Arlene Kogod Center on Aging, and
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Thomas A. White
- Robert and Arlene Kogod Center on Aging, and
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Lei Zhang
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, USA
| | - David G. Monroe
- Robert and Arlene Kogod Center on Aging, and
- Division of Endocrinology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Paul D. Robbins
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Laura J. Niedernhofer
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, USA
| | | | - Sundeep Khosla
- Robert and Arlene Kogod Center on Aging, and
- Division of Endocrinology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Nathan K. LeBrasseur
- Robert and Arlene Kogod Center on Aging, and
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
- Paul F. Glenn Center for the Biology of Aging at Mayo Clinic, Rochester, Minnesota, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, USA
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7
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Victorelli S, Salmonowicz H, Chapman J, Martini H, Vizioli MG, Riley JS, Cloix C, Hall-Younger E, Machado Espindola-Netto J, Jurk D, Lagnado AB, Sales Gomez L, Farr JN, Saul D, Reed R, Kelly G, Eppard M, Greaves LC, Dou Z, Pirius N, Szczepanowska K, Porritt RA, Huang H, Huang TY, Mann DA, Masuda CA, Khosla S, Dai H, Kaufmann SH, Zacharioudakis E, Gavathiotis E, LeBrasseur NK, Lei X, Sainz AG, Korolchuk VI, Adams PD, Shadel GS, Tait SWG, Passos JF. Author Correction: Apoptotic stress causes mtDNA release during senescence and drives the SASP. Nature 2024; 625:E15. [PMID: 38168624 PMCID: PMC10794136 DOI: 10.1038/s41586-023-07002-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Affiliation(s)
- Stella Victorelli
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Hanna Salmonowicz
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Biosciences Institute, Faculty of Medical Sciences, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
- ReMedy International Research Agenda Unit, IMol Polish Academy of Sciences, Warsaw, Poland
| | - James Chapman
- Biosciences Institute, Faculty of Medical Sciences, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - Helene Martini
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Maria Grazia Vizioli
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Joel S Riley
- Cancer Research UK Scotland Institute, Glasgow, UK
- School of Cancer Sciences, University of Glasgow, Glasgow, UK
- Institute of Developmental Immunology, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Catherine Cloix
- Cancer Research UK Scotland Institute, Glasgow, UK
- School of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Ella Hall-Younger
- Cancer Research UK Scotland Institute, Glasgow, UK
- School of Cancer Sciences, University of Glasgow, Glasgow, UK
| | | | - Diana Jurk
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Anthony B Lagnado
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Lilian Sales Gomez
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Joshua N Farr
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Dominik Saul
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Rebecca Reed
- Biosciences Institute, Faculty of Medical Sciences, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - George Kelly
- Biosciences Institute, Faculty of Medical Sciences, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - Madeline Eppard
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Laura C Greaves
- Wellcome Centre for Mitochondrial Research, Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Zhixun Dou
- Center for Regenerative Medicine, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Nicholas Pirius
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Karolina Szczepanowska
- ReMedy International Research Agenda Unit, IMol Polish Academy of Sciences, Warsaw, Poland
| | - Rebecca A Porritt
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Huijie Huang
- Degenerative Diseases Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Timothy Y Huang
- Degenerative Diseases Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Derek A Mann
- Newcastle Fibrosis Research Group, Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
- Department of Gastroenterology and Hepatology, School of Medicine, Koç University, Istanbul, Turkey
| | - Claudio Akio Masuda
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Sundeep Khosla
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Haiming Dai
- Division of Oncology Research and Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA
| | - Scott H Kaufmann
- Division of Oncology Research and Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA
| | - Emmanouil Zacharioudakis
- Department of Biochemistry, Department of Medicine, Montefiore Einstein Cancer Center, Wilf Family Cardiovascular Research Institute, Institute for Aging Research, Albert Einstein College of Medicine, New York, NY, USA
| | - Evripidis Gavathiotis
- Department of Biochemistry, Department of Medicine, Montefiore Einstein Cancer Center, Wilf Family Cardiovascular Research Institute, Institute for Aging Research, Albert Einstein College of Medicine, New York, NY, USA
| | | | - Xue Lei
- Cancer Genome and Epigenetics Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Alva G Sainz
- Salk Institute for Biological Studies, La Jolla, CA, USA
- Department of Pathology, Yale University School of Medicine, New Haven, CT, USA
| | - Viktor I Korolchuk
- Biosciences Institute, Faculty of Medical Sciences, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - Peter D Adams
- Cancer Genome and Epigenetics Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | | | - Stephen W G Tait
- Cancer Research UK Scotland Institute, Glasgow, UK.
- School of Cancer Sciences, University of Glasgow, Glasgow, UK.
| | - João F Passos
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA.
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8
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Brown AK, Mazula DL, Roberts L, Roos C, Zhang B, Pearsall VM, Schafer MJ, White TA, Huang R, Kumar N, Miller JD, Miller RA, LeBrasseur NK. Physical Resilience as a Predictor of Lifespan and Late-Life Health in Genetically Heterogeneous Mice. J Gerontol A Biol Sci Med Sci 2024; 79:glad207. [PMID: 37701988 PMCID: PMC10733175 DOI: 10.1093/gerona/glad207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Indexed: 09/14/2023] Open
Abstract
Dynamic measures of resilience-the ability to resist and recover from a challenge-may be informative of the rate of aging before overt manifestations such as chronic disease, disability, and frailty. From this perspective mid-life resilience may predict longevity and late-life health. To test this hypothesis, we developed simple, reproducible, clinically relevant challenges, and outcome measures of physical resilience that revealed differences between and within age groups of genetically heterogeneous mice, and then examined associations between mid-life resilience and both lifespan and late-life measures of physiological function. We demonstrate that time to recovery from isoflurane anesthesia and weight change following a regimen of chemotherapy significantly differed among young, middle-aged, and older mice, and were more variable in older mice. Females that recovered faster than the median time from anesthesia (more resilient) at 12 months of age lived 8% longer than their counterparts, while more resilient males in mid-life exhibited better cardiac (fractional shortening and left ventricular volumes) and metabolic (glucose tolerance) function at 24 months of age. Moreover, female mice with less than the median weight loss at Day 3 of the cisplatin challenge lived 8% longer than those that lost more weight. In contrast, females who had more weight loss between Days 15 and 20 were relatively protected against early death. These data suggest that measures of physical resilience in mid-life may provide information about individual differences in aging, lifespan, and key parameters of late-life health.
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Affiliation(s)
- Ashley K Brown
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - Daniel L Mazula
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - Lori Roberts
- Department of Pathology and Geriatrics Center, University of Michigan, Ann Arbor, Michigan, USA
| | - Carolyn Roos
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Bin Zhang
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Marissa J Schafer
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, USA
| | - Thomas A White
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - Runqing Huang
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - Navasuja Kumar
- Department of Internal Medicine and Geriatrics Center, University of Michigan, Ann Arbor, Michigan, USA
| | - Jordan D Miller
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Richard A Miller
- Department of Pathology and Geriatrics Center, University of Michigan, Ann Arbor, Michigan, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
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9
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Kizer JR, Patel S, Ganz P, Newman AB, Bhasin S, Lee SJ, Cawthon PM, LeBrasseur NK, Shah SJ, Psaty BM, Tracy RP, Cummings SR. Circulating Growth Differentiation Factors 11 and 8, Their Antagonists Follistatin and Follistatin-Like-3, and Risk of Heart Failure in Elders. J Gerontol A Biol Sci Med Sci 2024; 79:glad206. [PMID: 37624693 PMCID: PMC10733168 DOI: 10.1093/gerona/glad206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Indexed: 08/27/2023] Open
Abstract
BACKGROUND Heterochronic parabiosis has identified growth differentiation factor (GDF)-11 as a potential means of cardiac rejuvenation, but findings have been inconsistent. A major barrier has been lack of assay specificity for GDF-11 and its homolog GDF-8. METHODS We tested the hypothesis that GDF-11 and GDF-8, and their major antagonists follistatin and follistatin-like (FSTL)-3, are associated with incident heart failure (HF) and its subtypes in elders. Based on validation experiments, we used liquid chromatography-tandem mass spectrometry to measure total serum GDF-11 and GDF-8, along with follistatin and FSTL-3 by immunoassay, in 2 longitudinal cohorts of older adults. RESULTS In 2 599 participants (age 75.2 ± 4.3) followed for 10.8 ± 5.6 years, 721 HF events occurred. After adjustment, neither GDF-11 (HR per doubling: 0.93 [0.67, 1.30]) nor GDF-8 (HR: 1.02 per doubling [0.83, 1.27]) was associated with incident HF or its subtypes. Positive associations with HF were detected for follistatin (HR: 1.15 [1.00, 1.32]) and FLST-3 (HR: 1.38 [1.03, 1.85]), and with HF with preserved ejection fraction for FSTL-3 (HR: 1.77 [1.03, 3.02]). (All HRs per doubling of biomarker.) FSTL-3 associations with HF appeared stronger at higher follistatin levels and vice versa, and also for men, Blacks, and lower kidney function. CONCLUSIONS Among older adults, serum follistatin and FSTL-3, but not GDF-11 or GDF-8, were associated with incident HF. These findings do not support the concept that low serum levels of total GDF-11 or GDF-8 contribute to HF late in life, but do implicate transforming growth factor-β superfamily pathways as potential therapeutic targets.
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Affiliation(s)
- Jorge R Kizer
- Cardiology Section, San Francisco Veterans Affairs Health Care System, San Francisco, California, USA
- Department of Medicine, University of California San Francisco, San Francisco, California, USA
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA
| | - Sheena Patel
- Research Institute, California Pacific Medical Center, San Francisco, California, USA
| | - Peter Ganz
- Department of Medicine, University of California San Francisco, San Francisco, California, USA
- Cardiology Division, Zuckerberg San Francisco General Hospital, San Francisco, California, USA
| | - Anne B Newman
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Shalender Bhasin
- Research Program in Men’s Health: Aging and Metabolism, Boston Claude D. Pepper Older Americans Independence Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Se-Jin Lee
- The Jackson Laboratory and University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Peggy M Cawthon
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA
- Research Institute, California Pacific Medical Center, San Francisco, California, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, and Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Sanjiv J Shah
- Division of Cardiology, Department of Medicine, Northwestern University School of Medicine, Chicago, Illinois, USA
| | - Bruce M Psaty
- Cardiovascular Health Research Unit, Departments of Medicine, Epidemiology, and Health Systems and Population Health, University of Washington, Seattle, Washington, USA
| | - Russell P Tracy
- Department of Pathology and Laboratory Medicine, University of Vermont Larner College of Medicine, Burlington, Vermont, USA
| | - Steven R Cummings
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA
- Research Institute, California Pacific Medical Center, San Francisco, California, USA
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10
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Justice JN, Leng XI, LeBrasseur NK, Tchkonia T, Kirkland JL, Mitin N, Liu Y, Kritchevsky SB, Nicklas BJ, Ding J. Caloric Restriction Intervention Alters Specific Circulating Biomarkers of the Senescence-Associated Secretome in Middle-Aged and Older Adults With Obesity and Prediabetes in an 18-Week Randomized Controlled Trial. J Gerontol A Biol Sci Med Sci 2024; 79:glad214. [PMID: 37738560 PMCID: PMC10733170 DOI: 10.1093/gerona/glad214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Indexed: 09/24/2023] Open
Abstract
Cellular senescence is a biological aging process that is exacerbated by obesity and leads to inflammation and age- and obesogenic-driven chronic diseases including type 2 diabetes. Caloric restriction (CR) may improve metabolic function in part by reducing cellular senescence and the pro-inflammatory senescence-associated phenotype (SASP). We conducted an ancillary investigation of an 18-week randomized controlled trial (RCT) of CR (n = 31) or Control (n = 27) in 58 middle-aged/older adults (57.6 ± 5.8 years; 75% Women) with obesity and prediabetes. We measured mRNA expression of select senescence and apoptosis genes in blood CD3 + T cells (qRT-PCR) and a panel of 25 plasma SASP proteins (Luminex/multiplex; ELISA). Participants randomized to CR lost -10.8 ± 0.9 kg (-11.3% ± 5.4%) over 18 weeks compared with +0.5 ± 0.9 kg (+0.03% ± 3.5%) in Control group. T-cell expression of senescence biomarkers, p16INK4a and p21CIP1/WAF1, and apoptosis markers, BCL2L1 and BAK1, was not different between CR and Control groups in age, race, and sex-adjusted mixed models (p > .05, all). Iterative principal axis factor analysis was used to develop composite SASP Factors, and the Factors comprising TNFRI, TNFRII, uPAR, MMP1, GDF15, OPN, Fas, and MPO were significantly altered with CR intervention (age, sex, race-adjusted mixed model time × treatment F = 4.17, p ≤ .05) and associated with the degree of weight loss (R2 = 0.12, p ≤ .05). Our study provides evidence from an RCT that specific circulating biomarkers of senescent cell burden are changed by CR in middle-aged and older adults with obesity and prediabetes. Future studies compare tissue and circulating levels of p16INK4a and pro-inflammatory SASP biomarkers in other populations, and interventions.
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Affiliation(s)
- Jamie N Justice
- Sticht Center for Healthy Aging and Alzheimer’s Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
- Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Xiaoyan I Leng
- Sticht Center for Healthy Aging and Alzheimer’s Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
- Department of Biostatistics and Data Science, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Tamara Tchkonia
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - James L Kirkland
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
- Division of General Internal Medicine, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Natalia Mitin
- Sapere Bio, Triangle Research Park, North Carolina, USA
| | - Yongmei Liu
- Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA
| | - Stephen B Kritchevsky
- Sticht Center for Healthy Aging and Alzheimer’s Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
- Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Barbara J Nicklas
- Sticht Center for Healthy Aging and Alzheimer’s Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
- Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Jingzhong Ding
- Sticht Center for Healthy Aging and Alzheimer’s Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
- Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
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11
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Saul D, Jurk D, Doolittle ML, Kosinsky RL, Monroe DG, LeBrasseur NK, Robbins PD, Niedernhofer LJ, Khosla S, Passos JF. Distinct secretomes in p16- and p21- positive senescent cells across tissues. bioRxiv 2023:2023.12.05.569858. [PMID: 38106149 PMCID: PMC10723333 DOI: 10.1101/2023.12.05.569858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Senescent cells drive age-related tissue dysfunction via the induction of a chronic senescenceassociated secretory phenotype (SASP). The cyclin-dependent kinase inhibitors p21Cip1 and p16Ink4a have long served as markers of cellular senescence. However, their individual roles remain incompletely elucidated. Thus, we conducted a comprehensive examination of multiple single-cell RNA sequencing (scRNA-seq) datasets spanning both murine and human tissues during aging. Our analysis revealed that p21Cip1 and p16Ink4a transcripts demonstrate significant heterogeneity across distinct cell types and tissues, frequently exhibiting a lack of co-expression. Moreover, we identified tissue-specific variations in SASP profiles linked to p21Cip1 or p16Ink4a expression. Our study underscores the extraordinary diversity of cellular senescence and the SASP, emphasizing that these phenomena are inherently cell- and tissue-dependent. However, a few SASP factors consistently contribute to a shared "core" SASP. These findings highlight the need for a more nuanced investigation of senescence across a wide array of biological contexts.
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Affiliation(s)
- Dominik Saul
- Division of Endocrinology, Mayo Clinic, Rochester, MN 55905, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA
- Department of Trauma and Reconstructive Surgery, BG Clinic, University of Tübingen, Tübingen, Germany
| | - Diana Jurk
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Madison L. Doolittle
- Division of Endocrinology, Mayo Clinic, Rochester, MN 55905, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA
| | | | - David G Monroe
- Division of Endocrinology, Mayo Clinic, Rochester, MN 55905, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA
| | - Nathan K. LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Paul D. Robbins
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Laura J. Niedernhofer
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Sundeep Khosla
- Division of Endocrinology, Mayo Clinic, Rochester, MN 55905, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA
| | - João F. Passos
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
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12
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de Souto Barreto P, Rolland Y, Ferrucci L, Arai H, Bischoff-Ferrari H, Duque G, Fielding RA, Beard JR, Muscedere J, Sierra F, Vellas B, LeBrasseur NK. Looking at frailty and intrinsic capacity through a geroscience lens: the ICFSR & Geroscience Task Force. Nat Aging 2023; 3:1474-1479. [PMID: 37985720 DOI: 10.1038/s43587-023-00531-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Affiliation(s)
- Philipe de Souto Barreto
- IHU HealthAge, Toulouse, France.
- CERPOP, Inserm 1295, Université de Toulouse, UPS, Toulouse, France.
- Institute on Aging of the Toulouse University Hospital (CHU-Toulouse), Toulouse, France.
| | - Yves Rolland
- IHU HealthAge, Toulouse, France
- CERPOP, Inserm 1295, Université de Toulouse, UPS, Toulouse, France
- Institute on Aging of the Toulouse University Hospital (CHU-Toulouse), Toulouse, France
| | - Luigi Ferrucci
- Intramural Research Program of the National Institute on Aging
| | - Hidenori Arai
- National Center for Geriatrics and Gerontology, Obu, Japan
| | - Heike Bischoff-Ferrari
- IHU HealthAge, Toulouse, France
- Department of Geriatrics and Aging Research, University of Zurich, Zurich, Switzerland
| | - Gustavo Duque
- Bone, Muscle & Geroscience Research Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Roger A Fielding
- Nutrition, Exercise Physiology, and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - John R Beard
- International Longevity Center-USA, Columbia University, New York, NY, USA
| | - John Muscedere
- Department of Critical Care Medicine, Queen's University, Kingston, Ontario, Canada
| | | | - Bruno Vellas
- IHU HealthAge, Toulouse, France
- CERPOP, Inserm 1295, Université de Toulouse, UPS, Toulouse, France
- Institute on Aging of the Toulouse University Hospital (CHU-Toulouse), Toulouse, France
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
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13
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St. Sauver JL, Weston SA, Atkinson EJ, Mc Gree ME, Mielke MM, White TA, Heeren AA, Olson JE, Rocca WA, Palmer AK, Cummings SR, Fielding RA, Bielinski SJ, LeBrasseur NK. Biomarkers of cellular senescence and risk of death in humans. Aging Cell 2023; 22:e14006. [PMID: 37803875 PMCID: PMC10726868 DOI: 10.1111/acel.14006] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 09/14/2023] [Accepted: 09/19/2023] [Indexed: 10/08/2023] Open
Abstract
A robust and heterogenous secretory phenotype is a core feature of most senescent cells. In addition to mediators of age-related pathology, components of the senescence associated secretory phenotype (SASP) have been studied as biomarkers of senescent cell burden and, in turn, biological age. Therefore, we hypothesized that circulating concentrations of candidate senescence biomarkers, including chemokines, cytokines, matrix remodeling proteins, and growth factors, could predict mortality in older adults. We assessed associations between plasma levels of 28 SASP proteins and risk of mortality over a median follow-up of 6.3 years in 1923 patients 65 years of age or older with zero or one chronic condition at baseline. Overall, the five senescence biomarkers most strongly associated with an increased risk of death were GDF15, RAGE, VEGFA, PARC, and MMP2, after adjusting for age, sex, race, and the presence of one chronic condition. The combination of biomarkers and clinical and demographic covariates exhibited a significantly higher c-statistic for risk of death (0.79, 95% confidence interval (CI): 0.76-0.82) than the covariates alone (0.70, CI: 0.67-0.74) (p < 0.001). Collectively, these findings lend further support to biomarkers of cellular senescence as informative predictors of clinically important health outcomes in older adults, including death.
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Affiliation(s)
| | - Susan A. Weston
- Department of Quantitative Health SciencesMayo ClinicRochesterMinnesotaUSA
| | | | | | - Michelle M. Mielke
- Department of Epidemiology and PreventionWake Forest University School of MedicineWinston‐SalemNorth CarolinaUSA
| | - Thomas A. White
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
| | - Amanda A. Heeren
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
| | - Janet E. Olson
- Department of Quantitative Health SciencesMayo ClinicRochesterMinnesotaUSA
| | - Walter A. Rocca
- Department of Quantitative Health SciencesMayo ClinicRochesterMinnesotaUSA
- Department of NeurologyMayo ClinicRochesterMinnesotaUSA
- Women's Health Research Center, Mayo ClinicRochesterMinnesotaUSA
| | - Allyson K. Palmer
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of Hospital Internal MedicineMayo ClinicRochesterMinnesotaUSA
| | - Steven R. Cummings
- Departments of Medicine, Epidemiology and BiostatisticsUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Research Institute, California Pacific Medical CenterSan FranciscoCaliforniaUSA
| | - Roger A. Fielding
- Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on AgingTufts UniversityBostonMassachusettsUSA
| | | | - Nathan K. LeBrasseur
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Paul F. Glenn Center for the Biology of Aging ResearchMayo ClinicRochesterMinnesotaUSA
- Department of Physical Medicine and RehabilitationMayo ClinicRochesterMinnesotaUSA
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14
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Mielke MM, Kapoor E, Geske JR, Fields JA, LeBrasseur NK, Morrow MM, Winham SJ, Faubion LL, Castillo AM, Hofrenning EI, Bailey KR, Rocca WA, Kantarci K. Long-term effects of premenopausal bilateral oophorectomy with or without hysterectomy on physical aging and chronic medical conditions. Menopause 2023; 30:1090-1097. [PMID: 37699239 PMCID: PMC10615715 DOI: 10.1097/gme.0000000000002254] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/14/2023]
Abstract
OBJECTIVE We examined the long-term effects of premenopausal bilateral oophorectomy (PBO) with or without concurrent or preceding hysterectomy on physical and cognitive function and on odds of chronic conditions. METHODS We enrolled 274 women with PBO with or without concurrent or preceding hysterectomy and 240 referents aged 55 years and older who were residents of Olmsted County, MN as of the PBO or index date. Chronic conditions were assessed via medical record abstraction. Cognitive diagnoses were based on neurocognitive testing. A physical function assessment included measures of strength and mobility. Multivariable regression models compared characteristics for women with PBO <46 years, PBO 46-49 years, and referent women with adjustments for age and other confounders. RESULTS The clinical visits (median age, 67 years) were a median of 22 years after the PBO or index date. Of 274 women with PBO, 161 (59%) were <46 years at PBO and 113 (41%) were 46-49 years. Compared with referents, women with a history of PBO <46 years had increased odds of arthritis (odds ratio [OR], 1.64; 95% confidence interval [CI], 1.06-2.55), asthma (OR, 1.74; 95% CI, 1.03-2.93), obstructive sleep apnea (OR, 2.00; 95% CI, 1.23-3.26), and bone fractures (OR, 2.86; 95% CI, 1.17-6.98), and walked a shorter mean distance on a 6-minute walk test ( b = -18.43; P = 0.034). Compared with referents, women with a history of PBO at age 46-49 years had increased odds of arthritis (OR, 1.92; 95% CI, 1.16-3.18) and obstructive sleep apnea (OR, 2.21; 95% CI, 1.33-3.66). There were no significant differences in cognitive status in women with PBO compared with referents. CONCLUSIONS Women with a history of PBO with or without concurrent or preceding hysterectomy, especially at age <46 years, have more chronic conditions in late mid-life compared with referents.
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Affiliation(s)
- Michelle M. Mielke
- Department of Epidemiology and Prevention, Wake Forest University School of Medicine, Winston-Salem, NC
| | - Ekta Kapoor
- Mayo Clinic Center for Women’s Health, Mayo Clinic, Rochester, MN
- Women’s Health Research Center, Mayo Clinic, Rochester, MN
- Division of General Internal Medicine, Mayo Clinic, Rochester, MN
- Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Mayo Clinic, Rochester, MN
| | - Jennifer R. Geske
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN
| | - Julie A. Fields
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN
| | - Nathan K. LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN
| | - Melissa M. Morrow
- University of Texas Medical Branch, Department of Nutrition, Metabolism & Rehabilitation Sciences, Galveston, TX
| | - Stacey J. Winham
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN
| | | | - Anna M. Castillo
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN
| | | | - Kent R. Bailey
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN
| | - Walter A. Rocca
- Women’s Health Research Center, Mayo Clinic, Rochester, MN
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN
- Department of Neurology, Mayo Clinic, Rochester, MN
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15
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Cawthon PM, Patel S, Newman AB, Bhasin S, Peng L, Tracy RP, Kizer JR, Lee SJ, Ferrucci L, Ganz P, LeBrasseur NK, Cummings SR. Evaluation of Associations of Growth Differentiation Factor-11, Growth Differentiation Factor-8, and Their Binding Proteins, Follistatin and Follistatin-Like Protein-3, With Measures of Skeletal Muscle Mass, Muscle Strength, and Physical Function in Older Adults. J Gerontol A Biol Sci Med Sci 2023; 78:2051-2059. [PMID: 36752218 PMCID: PMC10613016 DOI: 10.1093/gerona/glad045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Indexed: 02/09/2023] Open
Abstract
BACKGROUND Based on studies from animal models, growth differentiation factor-11 (GDF-11) may have rejuvenating effects in humans. GDF-11 has high sequence homology with GDF-8 (also known as myostatin); follistatin and follistatin-like protein-3 (FSTL-3) are inhibitory proteins of both GDF-8 and GDF-11. METHODS Using highly specific liquid chromatography with tandem mass spectrometry assays for GDF-11 and GDF-8 and immunoassays for follistatin and FSTL-3, we quantified the association of these factors with muscle size, strength, and physical performance in 2 prospective cohort studies of community-dwelling older adults (Health, Aging, and Body Composition study [Health ABC] and Cardiovascular Health Study [CHS]). RESULTS GDF-8 levels were positively associated with thigh muscle cross-sectional area and density in Health ABC (data not available in CHS). GDF-8 levels were positively associated with lean mass (a surrogate of muscle mass) in Health ABC but not CHS, and grip strength in CHS but not Health ABC. FSTL-3 (and perhaps follistatin) was negatively associated with lean mass and had variable associations with other variables. In contrast, GDF-11 was not significantly associated with strength or performance. CONCLUSIONS GDF-8 and its binding proteins, follistatin and FSTL-3, may constitute a counterregulatory system (chalones) to restrain age-related loss of muscle mass and strength.
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Affiliation(s)
- Peggy M Cawthon
- Research Institute, California Pacific Medical Center, San Francisco, California,USA
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA
| | - Sheena Patel
- Research Institute, California Pacific Medical Center, San Francisco, California,USA
| | - Anne B Newman
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania,USA
| | - Shalender Bhasin
- Research Program in Men’s Health: Aging and Metabolism; Boston Claude D. Pepper Older Americans Independence Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Liming Peng
- Research Program in Men’s Health: Aging and Metabolism; Boston Claude D. Pepper Older Americans Independence Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Russell P Tracy
- Department of Pathology and Laboratory Medicine, University of Vermont Larner College of Medicine, Burlington, Vermont,USA
| | - Jorge R Kizer
- Cardiology Section, San Francisco Veterans Affairs Health Care System, and Departments of Medicine, Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California,USA
| | - Se-Jin Lee
- The Jackson Laboratory and University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Luigi Ferrucci
- Office of the Scientific Director, National Institute on Aging, Bethesda, Maryland,USA
| | - Peter Ganz
- Cardiology Division, Zuckerberg San Francisco General Hospital and Department of Medicine, University of California San Francisco, San Francisco, California,USA
| | - Nathan K LeBrasseur
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Steven R Cummings
- Research Institute, California Pacific Medical Center, San Francisco, California,USA
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA
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16
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Yang L, Ng YE, Sun H, Li Y, Chini LCS, LeBrasseur NK, Chen J, Zhang X. Single-cell Mayo Map (scMayoMap): an easy-to-use tool for cell type annotation in single-cell RNA-sequencing data analysis. BMC Biol 2023; 21:223. [PMID: 37858214 PMCID: PMC10588107 DOI: 10.1186/s12915-023-01728-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 10/06/2023] [Indexed: 10/21/2023] Open
Abstract
BACKGROUND Single-cell RNA-sequencing (scRNA-seq) has become a widely used tool for both basic and translational biomedical research. In scRNA-seq data analysis, cell type annotation is an essential but challenging step. In the past few years, several annotation tools have been developed. These methods require either labeled training/reference datasets, which are not always available, or a list of predefined cell subset markers, which are subject to biases. Thus, a user-friendly and precise annotation tool is still critically needed. RESULTS We curated a comprehensive cell marker database named scMayoMapDatabase and developed a companion R package scMayoMap, an easy-to-use single-cell annotation tool, to provide fast and accurate cell type annotation. The effectiveness of scMayoMap was demonstrated in 48 independent scRNA-seq datasets across different platforms and tissues. Additionally, the scMayoMapDatabase can be integrated with other tools and further improve their performance. CONCLUSIONS scMayoMap and scMayoMapDatabase will help investigators to define the cell types in their scRNA-seq data in a streamlined and user-friendly way.
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Affiliation(s)
- Lu Yang
- Division of Computational Biology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, 55905, USA
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, 55905, USA
| | - Yan Er Ng
- Robert and Arlene Kogod Center On Aging, Mayo Clinic, Rochester, MN, 55905, USA
| | - Haipeng Sun
- Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, NJ, 08901, USA
| | - Ying Li
- Department of Quantitative Health Sciences, Mayo Clinic, Jacksonville, FL, 32224, USA
| | - Lucas C S Chini
- Robert and Arlene Kogod Center On Aging, Mayo Clinic, Rochester, MN, 55905, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center On Aging, Mayo Clinic, Rochester, MN, 55905, USA.
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, 55905, USA.
| | - Jun Chen
- Division of Computational Biology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, 55905, USA.
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, 55905, USA.
| | - Xu Zhang
- Robert and Arlene Kogod Center On Aging, Mayo Clinic, Rochester, MN, 55905, USA.
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, 55905, USA.
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17
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Jachim SK, Zhong J, Ordog T, Lee JH, Bhagwate AV, Nagaraj NK, Westendorf JJ, Passos JF, Matveyenko AV, LeBrasseur NK. BMAL1 modulates senescence programming via AP-1. Aging (Albany NY) 2023; 15:9984-10009. [PMID: 37819791 PMCID: PMC10599731 DOI: 10.18632/aging.205112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 09/18/2023] [Indexed: 10/13/2023]
Abstract
Cellular senescence and circadian dysregulation are biological hallmarks of aging. Whether they are coordinately regulated has not been thoroughly studied. We hypothesize that BMAL1, a pioneer transcription factor and master regulator of the molecular circadian clock, plays a role in the senescence program. Here, we demonstrate BMAL1 is significantly upregulated in senescent cells and has altered rhythmicity compared to non-senescent cells. Through BMAL1-ChIP-seq, we show that BMAL1 is uniquely localized to genomic motifs associated with AP-1 in senescent cells. Integration of BMAL1-ChIP-seq data with RNA-seq data revealed that BMAL1 presence at AP-1 motifs is associated with active transcription. Finally, we showed that BMAL1 contributes to AP-1 transcriptional control of key features of the senescence program, including altered regulation of cell survival pathways, and confers resistance to drug-induced apoptosis. Overall, these results highlight a previously unappreciated role of the core circadian clock component BMAL1 on the molecular phenotype of senescent cells.
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Affiliation(s)
- Sarah K. Jachim
- Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN 55905, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA
| | - Jian Zhong
- Epigenomics Development Laboratory, Epigenomics Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Tamas Ordog
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
- Center for Cell Signaling in Gastroenterology, Mayo Clinic, Rochester, MN 55905, USA
| | - Jeong-Heon Lee
- Epigenomics Development Laboratory, Epigenomics Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN 55905, USA
- Center for Cell Signaling in Gastroenterology, Mayo Clinic, Rochester, MN 55905, USA
| | - Aditya V. Bhagwate
- Department of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN 55905, USA
| | | | | | - João F. Passos
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Aleksey V. Matveyenko
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
- Department of Medicine, Division of Endocrinology, Metabolism, Diabetes, and Nutrition, Mayo Clinic, Rochester, MN 55905, USA
| | - Nathan K. LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN 55905, USA
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18
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Victorelli S, Salmonowicz H, Chapman J, Martini H, Vizioli MG, Riley JS, Cloix C, Hall-Younger E, Machado Espindola-Netto J, Jurk D, Lagnado AB, Sales Gomez L, Farr JN, Saul D, Reed R, Kelly G, Eppard M, Greaves LC, Dou Z, Pirius N, Szczepanowska K, Porritt RA, Huang H, Huang TY, Mann DA, Masuda CA, Khosla S, Dai H, Kaufmann SH, Zacharioudakis E, Gavathiotis E, LeBrasseur NK, Lei X, Sainz AG, Korolchuk VI, Adams PD, Shadel GS, Tait SWG, Passos JF. Apoptotic stress causes mtDNA release during senescence and drives the SASP. Nature 2023; 622:627-636. [PMID: 37821702 PMCID: PMC10584674 DOI: 10.1038/s41586-023-06621-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 09/07/2023] [Indexed: 10/13/2023]
Abstract
Senescent cells drive age-related tissue dysfunction partially through the induction of a chronic senescence-associated secretory phenotype (SASP)1. Mitochondria are major regulators of the SASP; however, the underlying mechanisms have not been elucidated2. Mitochondria are often essential for apoptosis, a cell fate distinct from cellular senescence. During apoptosis, widespread mitochondrial outer membrane permeabilization (MOMP) commits a cell to die3. Here we find that MOMP occurring in a subset of mitochondria is a feature of cellular senescence. This process, called minority MOMP (miMOMP), requires BAX and BAK macropores enabling the release of mitochondrial DNA (mtDNA) into the cytosol. Cytosolic mtDNA in turn activates the cGAS-STING pathway, a major regulator of the SASP. We find that inhibition of MOMP in vivo decreases inflammatory markers and improves healthspan in aged mice. Our results reveal that apoptosis and senescence are regulated by similar mitochondria-dependent mechanisms and that sublethal mitochondrial apoptotic stress is a major driver of the SASP. We provide proof-of-concept that inhibition of miMOMP-induced inflammation may be a therapeutic route to improve healthspan.
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Affiliation(s)
- Stella Victorelli
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Hanna Salmonowicz
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Biosciences Institute, Faculty of Medical Sciences, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
- ReMedy International Research Agenda Unit, IMol Polish Academy of Sciences, Warsaw, Poland
| | - James Chapman
- Biosciences Institute, Faculty of Medical Sciences, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - Helene Martini
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Maria Grazia Vizioli
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Joel S Riley
- Cancer Research UK Scotland Institute, Glasgow, UK
- School of Cancer Sciences, University of Glasgow, Glasgow, UK
- Institute of Developmental Immunology, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Catherine Cloix
- Cancer Research UK Scotland Institute, Glasgow, UK
- School of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Ella Hall-Younger
- Cancer Research UK Scotland Institute, Glasgow, UK
- School of Cancer Sciences, University of Glasgow, Glasgow, UK
| | | | - Diana Jurk
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Anthony B Lagnado
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Lilian Sales Gomez
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Joshua N Farr
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Dominik Saul
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Rebecca Reed
- Biosciences Institute, Faculty of Medical Sciences, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - George Kelly
- Biosciences Institute, Faculty of Medical Sciences, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - Madeline Eppard
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Laura C Greaves
- Wellcome Centre for Mitochondrial Research, Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Zhixun Dou
- Center for Regenerative Medicine, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Nicholas Pirius
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Karolina Szczepanowska
- ReMedy International Research Agenda Unit, IMol Polish Academy of Sciences, Warsaw, Poland
| | - Rebecca A Porritt
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Huijie Huang
- Degenerative Diseases Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Timothy Y Huang
- Degenerative Diseases Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Derek A Mann
- Newcastle Fibrosis Research Group, Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
- Department of Gastroenterology and Hepatology, School of Medicine, Koç University, Istanbul, Turkey
| | - Claudio Akio Masuda
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Sundeep Khosla
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Haiming Dai
- Division of Oncology Research and Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA
| | - Scott H Kaufmann
- Division of Oncology Research and Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA
| | - Emmanouil Zacharioudakis
- Department of Biochemistry, Department of Medicine, Montefiore Einstein Cancer Center, Wilf Family Cardiovascular Research Institute, Institute for Aging Research, Albert Einstein College of Medicine, New York, NY, USA
| | - Evripidis Gavathiotis
- Department of Biochemistry, Department of Medicine, Montefiore Einstein Cancer Center, Wilf Family Cardiovascular Research Institute, Institute for Aging Research, Albert Einstein College of Medicine, New York, NY, USA
| | | | - Xue Lei
- Cancer Genome and Epigenetics Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Alva G Sainz
- Salk Institute for Biological Studies, La Jolla, CA, USA
- Department of Pathology, Yale University School of Medicine, New Haven, CT, USA
| | - Viktor I Korolchuk
- Biosciences Institute, Faculty of Medical Sciences, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - Peter D Adams
- Cancer Genome and Epigenetics Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | | | - Stephen W G Tait
- Cancer Research UK Scotland Institute, Glasgow, UK.
- School of Cancer Sciences, University of Glasgow, Glasgow, UK.
| | - João F Passos
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA.
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Dogra P, Šambula L, Saini J, Thangamuthu K, Athimulam S, Delivanis DA, Baikousi DA, Nathani R, Zhang CD, Genere N, Salman Z, Turcu AF, Ambroziak U, Garcia RG, Achenbach SJ, Atkinson EJ, Singh S, LeBrasseur NK, Kastelan D, Bancos I. High prevalence of frailty in patients with adrenal adenomas and adrenocortical hormone excess: a cross-sectional multi-centre study with prospective enrolment. Eur J Endocrinol 2023; 189:318-326. [PMID: 37590964 PMCID: PMC10479159 DOI: 10.1093/ejendo/lvad113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/30/2023] [Accepted: 07/26/2023] [Indexed: 08/19/2023]
Abstract
OBJECTIVE Frailty, characterized by multi-system decline, increases vulnerability to adverse health outcomes and can be measured using Frailty Index (FI). We aimed to assess the prevalence of frailty in patients with adrenal disorders (based on hormonal sub-type) and examine association between FI and performance-based measures of physical function. DESIGN Multi-centre, cross-sectional study (March 2019-August 2022). METHODS Adult patients with adrenal disorders (non-functioning adrenal adenomas [NFA], mild autonomous cortisol secretion [MACS], Cushing syndrome [CS], primary aldosteronism [PA]) and referent subjects without adrenal disorders completed a questionnaire encompassing 47 health variables (comorbidities, symptoms, daily living activities). FI was calculated as the average score of all variables and frailty defined as FI ≥ 0.25. Physical function was assessed with hand grip, timed up-and-go test, chair rising test, 6-minute walk test, and gait speed. RESULTS Compared to referent subjects (n = 89), patients with adrenal disorders (n = 520) showed increased age, sex, and body mass index-adjusted prevalence of frailty (CS [odds ratio-OR 19.2, 95% confidence interval-CI 6.7-70], MACS [OR 12.5, 95% CI 4.8-42.9], PA [OR 8.4, 95% CI 2.9-30.4], NFA [OR 4.5, 95% CI 1.7-15.9]). Prevalence of frailty was similar to referent subjects when post-dexamethasone cortisol was <28 nmol/L and was higher when post-dexamethasone cortisol was 28-50 nmol/L (OR 4.6, 95% CI 1.7-16.5). FI correlated with all measures of physical function (P < .001). CONCLUSIONS Whilst frailty prevalence was highest in patients with adrenocortical hormone excess, even patients with NFA demonstrated an increased prevalence compared to the referent population. Future longitudinal studies are needed to evaluate the impact of various management strategies on frailty.
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Affiliation(s)
- Prerna Dogra
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN 55905, United States
| | - Lana Šambula
- Department of Internal Medicine, General Hospital Koprivnica, Zeljka Selingera 1, 48000, Koprivnica, Croatia
| | - Jasmine Saini
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN 55905, United States
| | - Karthik Thangamuthu
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN 55905, United States
| | - Shobana Athimulam
- Division of Endocrinology, Diabetes, Bone and Mineral Disorders, Henry Ford Health System, Detroit, MI 48202, United States
| | - Danae A Delivanis
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN 55905, United States
| | - Dimitra A Baikousi
- Department of Endocrinology, Diabetes and Metabolism, Evangelismos Hospital, 45 Ipsilantou Street, Athens 106 76, Greece
| | - Rohit Nathani
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN 55905, United States
- Department of Interna Medicine, UT Southwestern Medical Center, Dallas, TX 75390, United States
| | - Catherine D Zhang
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN 55905, United States
- Division of Endocrinology and Molecular Medicine, Medical College of Wisconsin, Milwaukee, WI 53210, United States
| | - Natalia Genere
- Division of Endocrinology, Metabolism, & Lipid Research, Washington University School of Medicine, St. Louis, MO 63130, United States
| | - Zara Salman
- Division of Metabolism, Endocrinology, and Diabetes, University of Michigan, Ann Arbor, MI 48109, United States
| | - Adina F Turcu
- Division of Metabolism, Endocrinology, and Diabetes, University of Michigan, Ann Arbor, MI 48109, United States
| | - Urszula Ambroziak
- Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Poland Banacha 1a, 02-097, Warsaw, Poland
| | - Raul G Garcia
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN 55905, United States
| | - Sara J Achenbach
- Division of Clinical Trials and Biostatistics, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN 55905, United States
| | - Elizabeth J Atkinson
- Division of Clinical Trials and Biostatistics, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN 55905, United States
| | - Sumitabh Singh
- Department of Interna Medicine, UT Southwestern Medical Center, Dallas, TX 75390, United States
| | - Nathan K LeBrasseur
- Department of Physical Medicine and Rehabilitation, Mayo Clinic College of Medicine, Rochester, MN 55905, United States
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN 55905, United States
| | - Darko Kastelan
- Department of Endocrinology, University Hospital Zagreb, Kispaticeva 12, 10000 Zagreb, Croatia
| | - Irina Bancos
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN 55905, United States
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20
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Lorenz EC, Zaniletti I, Johnson BK, Petterson TM, Kremers WK, Schinstock CA, Amer H, Cheville AL, LeBrasseur NK, Winkelmayer WC, Navaneethan SD, Baez-Suarez A, Attia ZI, Lopez-Jimenez F, Friedman PA, Kennedy CC, Rule AD. Physiological Age by Artificial Intelligence-Enhanced Electrocardiograms as a Novel Risk Factor of Mortality in Kidney Transplant Candidates. Transplantation 2023; 107:1365-1372. [PMID: 36780487 PMCID: PMC10205652 DOI: 10.1097/tp.0000000000004504] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
BACKGROUND Mortality risk assessment before kidney transplantation (KT) is imperfect. An emerging risk factor for death in nontransplant populations is physiological age as determined by the application of artificial intelligence to the electrocardiogram (ECG). The aim of this study was to examine the relationship between ECG age and KT waitlist mortality. METHODS We applied a previously developed convolutional neural network to the ECGs of KT candidates evaluated 2014 to 2019 to determine ECG age. We used a Cox proportional hazard model to examine whether ECG age was associated with waitlist mortality. RESULTS Of the 2183 patients evaluated, 59.1% were male, 81.4% were white, and 11.4% died during follow-up. Mean ECG age was 59.0 ± 12.0 y and mean chronological age at ECG was 53.3 ± 13.6 y. After adjusting for chronological age, comorbidities, and other characteristics associated with mortality, each increase in ECG age of >10 y than the average ECG age for patients of a similar chronological age was associated with an increase in mortality risk (hazard ratio 3.59 per 10-y increase; 95% confidence interval, 2.06-5.72; P < 0.0001). CONCLUSIONS ECG age is a risk factor for KT waitlist mortality. Determining ECG age through artificial intelligence may help guide risk-benefit assessment when evaluating candidates for KT.
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Affiliation(s)
| | | | | | | | - Walter K. Kremers
- Quantitative Health Sciences Mayo Clinic, Rochester, Minnesota
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, Minnesota
| | - Carrie A. Schinstock
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, Minnesota
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
| | - Hatem Amer
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, Minnesota
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
| | - Andrea L. Cheville
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota
| | - Nathan K. LeBrasseur
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota
| | | | | | | | - Zachi I. Attia
- Department of Cardiovascular Diseases Mayo Clinic, Rochester, Minnesota
| | | | - Paul A. Friedman
- Department of Cardiovascular Diseases Mayo Clinic, Rochester, Minnesota
| | - Cassie C. Kennedy
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, Minnesota
- Division of Pulmonary, Critical Care, and Sleep Medicine, Mayo Clinic, Rochester, Minnesota
| | - Andrew D. Rule
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
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21
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Yang L, Ng YE, Sun H, Li Y, Chini LCS, LeBrasseur NK, Chen J, Zhang X. Single-cell Mayo Map ( scMayoMap ): an easy-to-use tool for cell type annotation in single-cell RNA-sequencing data analysis. bioRxiv 2023:2023.05.03.538463. [PMID: 37205463 PMCID: PMC10187171 DOI: 10.1101/2023.05.03.538463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Single-cell RNA-sequencing (scRNA-seq) has become a widely used tool for both basic and translational biomedical research. In scRNA-seq data analysis, cell type annotation is an essential but challenging step. In the past few years, several annotation tools have been developed. These methods require either labeled training/reference datasets, which are not always available, or a list of predefined cell subset markers, which are subject to biases. Thus, a user-friendly and precise annotation tool is still critically needed. We curated a comprehensive cell marker database named scMayoMapDatabase and developed a companion R package scMayoMap , an easy-to-use single cell annotation tool, to provide fast and accurate cell type annotation. The effectiveness of scMayoMap was demonstrated in 48 independent scRNA-seq datasets across different platforms and tissues. scMayoMap performs better than the currently available annotation tools on all the datasets tested. Additionally, the scMayoMapDatabase can be integrated with other tools and further improve their performance. scMayoMap and scMayoMapDatabase will help investigators to define the cell types in their scRNA-seq data in a streamlined and user-friendly way.
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22
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Zampieri S, Bersch I, Kern H, Sarabon N, Rosati R, LeBrasseur NK, Leeuwenburg C, Carraro U. 2023 Padua Days of Muscle and Mobility Medicine: post meeting book of abstracts. Eur J Transl Myol 2023. [PMID: 37114363 PMCID: PMC10388625 DOI: 10.4081/ejtm.2023.11427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 04/27/2023] [Indexed: 04/29/2023] Open
Abstract
The 2023 Padua Days of Muscle and Mobility Medicine (Pdm3) were held from March 29th to April 1st, 2023. Most of the abstracts were published electronically in the European Journal of Translational Myology (EJTM) 33 (1) 2023. Here we report the complete book of abstracts that confirms the interest of more than 150 scientists and clinicians from Austria, Bulgaria, Canada, Denmark, France, Georgia, Germany, Iceland, Ireland, Italy, Mongolia, Norway, Russia, Slovakia, Slovenia, Spain, Switzerland, The Netherlands and USA to gather to the Hotel Petrarca of Thermae of Euganean Hills, Padua, Italy for contributing and attending the Pdm3 (https://www.youtube.com/watch?v=zC02D4uPWRg). The 2023 Pdm3 started March 29th in the historic Aula Guariento of thePadua Galilean Academy of Letters, Arts and Sciences with the Lecture of Prof. Carlo Reggiani and ended in the late afternoon with the Lecture of Professor Terje Lømo after introductory words of Professor Stefano Schiaffino. The program followed in the Hotel Petrarca Conferenece Halls from March 30 to April 1, 2023. The extended topic interests of specialists in basic myology sciences and clinicians, collected under the umbrella neologism of Mobility Medicine, is stressed also by expansion of Sections of the EJTM Editorial Board (https://www.pagepressjournals.org/index.php/bam/board). We hope that Speakers of the 2023 Pdm3 and readers of EJTM will submit "EJTM Communications" to the European Journal of Translational Myology (PAGEpress, Pavia, Italy) by May 31, 2023 and/or invited review and original articles for the 2023 special issue: "Pdm3" of Diagnostics, MDPI, Basel, Switzerland due September 30, 2023.
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Affiliation(s)
- Sandra Zampieri
- Department of Surgery, Oncology and Gastroenterology, Padua University Hospital, Padua, Italy; Department of Biomedical Sciences, University of Padua, Italy; CIR MYO - Interdepartmental Research Centre of Myology, University of Padua, Italy; Armando & Carmela Mioni-Carraro Foundation for Translational Myology, Padua, Italy; Ludwig Boltzmann Institute for Rehabilitation Research, Wien, Austria; Centre of Active Ageing, Sankt Poelten .
| | - Ines Bersch
- International FES Centre®, Swiss Paraplegic Centre, Nottwil.
| | - Helmut Kern
- Ludwig Boltzmann Institute for Rehabilitation Research, Wien, Austria; Centre of Active Ageing, Sankt Poelten.
| | - Nejc Sarabon
- University of Primorska, Faculty of Health Sciences, Izola, Slovenia; S2P, Science to Practice, Ltd., Laboratory for Motor Control and Motor Behaviour, Ljubljana, Slovenia; InnoRenew CoE, Izola.
| | - Riccardo Rosati
- Department of Biomedical Surgical and Dental Sciences, University of Milan, Milan.
| | - Nathan K LeBrasseur
- Department of Physical Medicine and Rehabilitation, Robert and Arlene Kogod Center on Aging, Mayo Clinic, Minnesota.
| | - Christiaan Leeuwenburg
- Department of Aging and Geriatric Research, Institute on Aging, University of Florida, Gainesville, FL.
| | - Ugo Carraro
- Department of Biomedical Sciences, University of Padua, Italy; CIR MYO - Interdepartmental Research Centre of Myology, University of Padua, Italy; Armando & Carmela Mioni-Carraro Foundation for Translational Myology, Padua.
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23
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St Sauver JL, LeBrasseur NK, Rocca WA, Olson JE, Bielinski SJ, Sohn S, Weston SA, McGree ME, Mielke MM. Cohort study examining associations between ceramide levels and risk of multimorbidity among persons participating in the Mayo Clinic Biobank. BMJ Open 2023; 13:e069375. [PMID: 37085302 PMCID: PMC10124265 DOI: 10.1136/bmjopen-2022-069375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/23/2023] Open
Abstract
OBJECTIVE Ceramides have been associated with several ageing-related conditions but have not been studied as a general biomarker of multimorbidity (MM). Therefore, we determined whether ceramide levels are associated with the rapid development of MM. DESIGN Retrospective cohort study. SETTING Mayo Clinic Biobank. PARTICIPANTS 1809 persons in the Mayo Clinic Biobank ≥65 years without MM at the time of enrolment, and with ceramide levels assayed from stored plasma. PRIMARY OUTCOME MEASURE Persons were followed for a median of 5.7 years through their medical records to identify new diagnoses of 20 chronic conditions. The number of new conditions was divided by the person-years of follow-up to calculate the rate of accumulation of new chronic conditions. RESULTS Higher levels of C18:0 and C20:0 were associated with a more rapid rate of accumulation of chronic conditions (C18:0 z score RR: 1.30, 95% CI: 1.10 to 1.53; C20:0 z score RR: 1.26, 95% CI: 1.07 to 1.49). Higher C18:0 and C20:0 levels were also associated with an increased risk of hypertension and coronary artery disease. CONCLUSIONS C18:0 and C20:0 were associated with an increased risk of cardiometabolic conditions. When combined with biomarkers specific to other diseases of ageing, these ceramides may be a useful component of a biomarker panel for predicting accelerated ageing.
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Affiliation(s)
- Jennifer L St Sauver
- Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Walter A Rocca
- Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
- Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
| | - Janet E Olson
- Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Suzette J Bielinski
- Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Sunghwan Sohn
- Department of Artificial Intelligence & Informatics, Mayo Clinic, Rochester, Minnesota, USA
| | - Susan A Weston
- Division of Clinical Trials and Biostatistics, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Michaela E McGree
- Division of Clinical Trials and Biostatistics, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Michelle M Mielke
- Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
- Department of Epidemiology and Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
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24
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Aversa Z, Atkinson EJ, Carmona EM, White TA, Heeren AA, Jachim SK, Zhang X, Cummings SR, Chiarella SE, Limper AH, LeBrasseur NK. Biomarkers of cellular senescence in idiopathic pulmonary fibrosis. Respir Res 2023; 24:101. [PMID: 37029417 PMCID: PMC10080755 DOI: 10.1186/s12931-023-02403-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 03/19/2023] [Indexed: 04/09/2023] Open
Abstract
BACKGROUND Cellular senescence is a cell fate in response to diverse forms of age-related damage and stress that has been implicated in the pathogenesis of idiopathic pulmonary fibrosis (IPF). The associations between circulating levels of candidate senescence biomarkers and disease outcomes have not been specifically studied in IPF. In this study we assessed the circulating levels of candidate senescence biomarkers in individuals affected by IPF and controls and evaluated their ability to predict disease outcomes. METHODS We measured the plasma concentrations of 32 proteins associated with senescence in Lung Tissue Research Consortium participants and studied their relationship with the diagnosis of IPF, parameters of pulmonary and physical function, health-related quality of life, mortality, and lung tissue expression of P16, a prototypical marker of cellular senescence. A machine learning approach was used to evaluate the ability of combinatorial biomarker signatures to predict disease outcomes. RESULTS The circulating levels of several senescence biomarkers were significantly elevated in persons affected by IPF compared to controls. A subset of biomarkers accurately classified participants as having or not having the disease and was significantly correlated with measures of pulmonary function, health-related quality of life and, to an extent, physical function. An exploratory analysis revealed senescence biomarkers were also associated with mortality in IPF participants. Finally, the plasma concentrations of several biomarkers were associated with their expression levels in lung tissue as well as the expression of P16. CONCLUSIONS Our results suggest that circulating levels of candidate senescence biomarkers are informative of disease status, pulmonary and physical function, and health-related quality of life. Additional studies are needed to validate the combinatorial biomarkers signatures that emerged using a machine learning approach.
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Affiliation(s)
- Zaira Aversa
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | | | - Eva M Carmona
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Thomas A White
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Amanda A Heeren
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Sarah K Jachim
- Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN, USA
| | - Xu Zhang
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Steven R Cummings
- Departments of Medicine, Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA, USA
- Research Institute, California Pacific Medical Center, San Francisco, CA, USA
| | | | - Andrew H Limper
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA.
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25
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Ma X, Zhang Y, Zhang Y, Zhang X, Huang Y, He K, Chen C, Hao J, Zhao D, LeBrasseur NK, Kirkland JL, Chini EN, Wei Q, Ling K, Hu J. A stress-induced cilium-to-PML-NB route drives senescence initiation. Nat Commun 2023; 14:1840. [PMID: 37019904 PMCID: PMC10076330 DOI: 10.1038/s41467-023-37362-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 03/14/2023] [Indexed: 04/07/2023] Open
Abstract
Cellular senescence contributes to tissue homeostasis and age-related pathologies. However, how senescence is initiated in stressed cells remains vague. Here, we discover that exposure to irradiation, oxidative or inflammatory stressors induces transient biogenesis of primary cilia, which are then used by stressed cells to communicate with the promyelocytic leukemia nuclear bodies (PML-NBs) to initiate senescence responses in human cells. Mechanistically, a ciliary ARL13B-ARL3 GTPase cascade negatively regulates the association of transition fiber protein FBF1 and SUMO-conjugating enzyme UBC9. Irreparable stresses downregulate the ciliary ARLs and release UBC9 to SUMOylate FBF1 at the ciliary base. SUMOylated FBF1 then translocates to PML-NBs to promote PML-NB biogenesis and PML-NB-dependent senescence initiation. Remarkably, Fbf1 ablation effectively subdues global senescence burden and prevents associated health decline in irradiation-treated mice. Collectively, our findings assign the primary cilium a key role in senescence induction in mammalian cells and, also, a promising target in future senotherapy strategies.
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Affiliation(s)
- Xiaoyu Ma
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Yingyi Zhang
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Yuanyuan Zhang
- Department of Clinical Genetics, ShengJing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xu Zhang
- Mayo Clinic Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Yan Huang
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Kai He
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Chuan Chen
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Jielu Hao
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Debiao Zhao
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Nathan K LeBrasseur
- Mayo Clinic Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - James L Kirkland
- Mayo Clinic Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Eduardo N Chini
- Mayo Clinic Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Anesthesiology, Mayo Clinic, Jacksonville, FL, USA
| | - Qing Wei
- Center for Energy Metabolism and Reproduction, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences (CAS), Shenzhen, China.
| | - Kun Ling
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
| | - Jinghua Hu
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
- Mayo Clinic Robert M. and Billie Kelley Pirnie Translational Polycystic Kidney Disease Center, Mayo Clinic, Rochester, MN, USA.
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA.
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26
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Shi B, Tsou PS, Ma F, Mariani MP, Mattichak MN, LeBrasseur NK, Chini EN, Lafyatis R, Khanna D, Whitfield ML, Gudjonsson JE, Varga J. Senescent Cells Accumulate in Systemic Sclerosis Skin. J Invest Dermatol 2023; 143:661-664.e5. [PMID: 36191640 PMCID: PMC10038878 DOI: 10.1016/j.jid.2022.09.652] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/08/2022] [Accepted: 09/16/2022] [Indexed: 02/03/2023]
Affiliation(s)
- Bo Shi
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Ilinois, USA
| | - Pei-Suen Tsou
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA; Michigan Scleroderma Program, University of Michigan, Ann Arbor, Michigan, USA
| | - Feiyang Ma
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Michael P Mariani
- Department of Biomedical Data Science, Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire, USA
| | - Megan N Mattichak
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic College of Medicine, Mayo Clinic Rochester, Minnesota, USA
| | - Eduardo N Chini
- Signal Transduction and Molecular Nutrition Laboratory, Kogod Aging Center, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, USA; Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Robert Lafyatis
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Dinesh Khanna
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA; Michigan Scleroderma Program, University of Michigan, Ann Arbor, Michigan, USA
| | - Michael L Whitfield
- Department of Biomedical Data Science, Geisel School of Medicine at Dartmouth College, Lebanon, New Hampshire, USA
| | | | - John Varga
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA; Michigan Scleroderma Program, University of Michigan, Ann Arbor, Michigan, USA.
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27
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Samakkarnthai P, Saul D, Zhang L, Aversa Z, Doolittle ML, Sfeir JG, Kaur J, Atkinson EJ, Edwards JR, Russell RGG, Pignolo RJ, Kirkland JL, Tchkonia T, Niedernhofer LJ, Monroe DG, LeBrasseur NK, Farr JN, Robbins PD, Khosla S. In vitro and in vivo effects of zoledronate on senescence and senescence-associated secretory phenotype markers. bioRxiv 2023:2023.02.23.529777. [PMID: 36865244 PMCID: PMC9980119 DOI: 10.1101/2023.02.23.529777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
In addition to reducing fracture risk, zoledronate has been found in some studies to decrease mortality in humans and extend lifespan and healthspan in animals. Because senescent cells accumulate with aging and contribute to multiple co-morbidities, the non-skeletal actions of zoledronate could be due to senolytic (killing of senescent cells) or senomorphic (inhibition of the secretion of the senescence-associated secretory phenotype [SASP]) actions. To test this, we first performed in vitro senescence assays using human lung fibroblasts and DNA repair-deficient mouse embryonic fibroblasts, which demonstrated that zoledronate killed senescent cells with minimal effects on non-senescent cells. Next, in aged mice treated with zoledronate or vehicle for 8 weeks, zoledronate significantly reduced circulating SASP factors, including CCL7, IL-1β, TNFRSF1A, and TGFβ1 and improved grip strength. Analysis of publicly available RNAseq data from CD115+ (CSF1R/c-fms+) pre-osteoclastic cells isolated from mice treated with zoledronate demonstrated a significant downregulation of senescence/SASP genes (SenMayo). To establish that these cells are potential senolytic/senomorphic targets of zoledronate, we used single cell proteomic analysis (cytometry by time of flight [CyTOF]) and demonstrated that zoledronate significantly reduced the number of pre-osteoclastic (CD115+/CD3e-/Ly6G-/CD45R-) cells and decreased protein levels of p16, p21, and SASP markers in these cells without affecting other immune cell populations. Collectively, our findings demonstrate that zoledronate has senolytic effects in vitro and modulates senescence/SASP biomarkers in vivo . These data point to the need for additional studies testing zoledronate and/or other bisphosphonate derivatives for senotherapeutic efficacy.
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28
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Farr JN, Saul D, Doolittle ML, Kaur J, Rowsey JL, Vos SJ, Froemming MN, Lagnado AB, Zhu Y, Weivoda MM, Ikeno Y, Pignolo RJ, Niedernhofer LJ, Robbins PD, Jurk D, Passos JF, LeBrasseur NK, Tchkonia T, Kirkland JL, Monroe DG, Khosla S. Local senolysis in aged mice only partially replicates the benefits of systemic senolysis. J Clin Invest 2023; 133:162519. [PMID: 36809340 PMCID: PMC10104901 DOI: 10.1172/jci162519] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 02/16/2023] [Indexed: 02/23/2023] Open
Abstract
Clearance of senescent cells (SnCs) can prevent several age-related pathologies, including bone loss. However, the local versus systemic roles of SnCs in mediating tissue dysfunction remain unclear. Thus, we developed a mouse model (p16-LOX-ATTAC) that allows for inducible SnC elimination (senolysis) in a cell-specific manner and compared the effects of local versus systemic senolysis during aging using bone as a prototype tissue. Specific removal of Sn osteocytes prevented age-related bone loss at the spine, but not the femur, by improving bone formation without affecting osteoclasts or marrow adipocytes. By contrast, systemic senolysis prevented bone loss at the spine and femur and not only improved bone formation, but also reduced osteoclasts and marrow adipocytes. Transplantation of SnCs into the peritoneal cavity of young mice caused bone loss and also induced senescence in distant host osteocytes. Collectively, our findings provide the first proof-of-concept evidence that local senolysis has health benefits in the context of aging, but importantly, local senolysis only partially replicates the benefits of systemic senolysis. Further, we establish that SnCs, through their SASP, lead to senescence in distant cells. Therefore, our study indicates that optimizing senolytic drugs may require systemic instead of local SnC targeting to extend healthy aging.
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Affiliation(s)
- Joshua N Farr
- Endocrinology, Mayo Clinic, Rochester, United States of America
| | - Dominik Saul
- Kogod Center on Aging, Mayo Clinic, Rochester, United States of America
| | | | - Japneet Kaur
- Kogod Center on Aging, Mayo Clinic, Rochester, United States of America
| | | | - Stephanie J Vos
- Kogod Center on Aging, Mayo Clinic, Rochester, United States of America
| | | | | | - Yi Zhu
- Mayo Clinic, Rochester, United States of America
| | - Megan M Weivoda
- Department of Medicine, Mayo Clinic, Rochester, United States of America
| | - Yuji Ikeno
- Department of Pathology, University of Texas Health Science Center at San Antonio, San Antonio, United States of America
| | | | - Laura J Niedernhofer
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, United States of America
| | - Paul D Robbins
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, United States of America
| | - Diana Jurk
- Mayo Clinic, Rochester, United States of America
| | - João F Passos
- Kogod Center on Aging, Mayo Clinic, Rochester, United States of America
| | - Nathan K LeBrasseur
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, United States of America
| | | | | | - David G Monroe
- Kogod Center on Aging, Mayo Clinic, Rochester, United States of America
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29
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Englund DA, Jolliffe A, Aversa Z, Zhang X, Sturmlechner I, Sakamoto AE, Zeidler JD, Warner GM, McNinch C, White TA, Chini EN, Baker DJ, van Deursen JM, LeBrasseur NK. p21 induces a senescence program and skeletal muscle dysfunction. Mol Metab 2023; 67:101652. [PMID: 36509362 PMCID: PMC9800630 DOI: 10.1016/j.molmet.2022.101652] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 11/28/2022] [Accepted: 12/01/2022] [Indexed: 12/13/2022] Open
Abstract
Recent work has established associations between elevated p21, the accumulation of senescent cells, and skeletal muscle dysfunction in mice and humans. Using a mouse model of p21 overexpression (p21OE), we examined if p21 mechanistically contributes to cellular senescence and pathological features in skeletal muscle. We show that p21 induces several core properties of cellular senescence in skeletal muscle, including an altered transcriptome, DNA damage, mitochondrial dysfunction, and the senescence-associated secretory phenotype (SASP). Furthermore, p21OE mice exhibit manifestations of skeletal muscle pathology, such as atrophy, fibrosis, and impaired physical function when compared to age-matched controls. These findings suggest p21 alone is sufficient to drive a cellular senescence program and reveal a novel source of skeletal muscle loss and dysfunction.
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Affiliation(s)
- Davis A Englund
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Alyssa Jolliffe
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Zaira Aversa
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Xu Zhang
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Ines Sturmlechner
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA; Department of Pediatrics, Molecular Genetics Section, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Ayumi E Sakamoto
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Julianna D Zeidler
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, FL, USA
| | - Gina M Warner
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, FL, USA
| | - Colton McNinch
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, USA
| | - Thomas A White
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Eduardo N Chini
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, FL, USA; Paul F. Glenn Center for the Biology of Aging at Mayo Clinic, Rochester, MN, USA
| | - Darren J Baker
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA; Paul F. Glenn Center for the Biology of Aging at Mayo Clinic, Rochester, MN, USA; Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Jan M van Deursen
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA; Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA; Paul F. Glenn Center for the Biology of Aging at Mayo Clinic, Rochester, MN, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
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30
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Fielding RA, LeBrasseur NK. Editorial: Outcomes for Regulatory Approval in Geriatrics: Embracing Loss of Mobility and Mobility Disability as Clinically Meaningful Therapeutic Indications. J Nutr Health Aging 2023; 27:496-497. [PMID: 37498095 DOI: 10.1007/s12603-023-1944-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/28/2023]
Affiliation(s)
- R A Fielding
- Roger A. Fielding, Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center, Tufts University, Boston, Massachusetts, USA,
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31
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Taylor HA, Finkel T, Gao Y, Ballinger SW, Campo R, Chen R, Chen SH, Davidson K, Iruela-Arispe ML, Jaquish C, LeBrasseur NK, Odden MC, Papanicolaou GJ, Picard M, Srinivas P, Tjurmina O, Wolz M, Galis ZS. Scientific opportunities in resilience research for cardiovascular health and wellness. Report from a National Heart, Lung, and Blood Institute workshop. FASEB J 2022; 36:e22639. [PMID: 36322029 PMCID: PMC9703084 DOI: 10.1096/fj.202201407r] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/14/2022] [Accepted: 10/21/2022] [Indexed: 11/07/2022]
Abstract
Exposure of biological systems to acute or chronic insults triggers a host of molecular and physiological responses to either tolerate, adapt, or fully restore homeostasis; these responses constitute the hallmarks of resilience. Given the many facets, dimensions, and discipline-specific focus, gaining a shared understanding of "resilience" has been identified as a priority for supporting advances in cardiovascular health. This report is based on the working definition: "Resilience is the ability of living systems to successfully maintain or return to homeostasis in response to physical, molecular, individual, social, societal, or environmental stressors or challenges," developed after considering many factors contributing to cardiovascular resilience through deliberations of multidisciplinary experts convened by the National Heart, Lung, and Blood Institute during a workshop entitled: "Enhancing Resilience for Cardiovascular Health and Wellness." Some of the main emerging themes that support the possibility of enhancing resilience for cardiovascular health include optimal energy management and substrate diversity, a robust immune system that safeguards tissue homeostasis, and social and community support. The report also highlights existing research challenges, along with immediate and long-term opportunities for resilience research. Certain immediate opportunities identified are based on leveraging existing high-dimensional data from longitudinal clinical studies to identify vascular resilience measures, create a 'resilience index,' and adopt a life-course approach. Long-term opportunities include developing quantitative cell/organ/system/community models to identify resilience factors and mechanisms at these various levels, designing experimental and clinical interventions that specifically assess resilience, adopting global sharing of resilience-related data, and cross-domain training of next-generation researchers in this field.
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Affiliation(s)
- Herman A. Taylor
- Cardiovascular Research Institute Morehouse School of Medicine, Atlanta, Georgia, USA,Morehouse-Emory Cardiovascular Center for Health Equity, Atlanta, Georgia, USA,Harvard Chan School of Public Health, Atlanta, Georgia, USA,Emory School of Medicine, Atlanta, Georgia, USA
| | - Toren Finkel
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Yunling Gao
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Scott W. Ballinger
- University of Alabama Heersink School of Medicine, Birmingham, Alabama, USA
| | - Rebecca Campo
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Rong Chen
- Icahn School of Medicine at Mount Sinai, New York, New York, USA,Sema4, Stamford, Connecticut, USA
| | - Shu Hui Chen
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Karina Davidson
- Feinstein Institutes for Medical Research, Northwell Health, New York, New York, USA
| | | | - Cashell Jaquish
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | | | | | - George J. Papanicolaou
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Martin Picard
- Columbia University Irving Medical Center, New York, New York, USA,New York State Psychiatric Institute, New York, New York, USA
| | - Pothur Srinivas
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Olga Tjurmina
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Michael Wolz
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Zorina S. Galis
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
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32
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Fielding RA, Atkinson EJ, Aversa Z, White TA, Heeren AA, Achenbach SJ, Mielke MM, Cummings SR, Pahor M, Leeuwenburgh C, LeBrasseur NK. Associations between biomarkers of cellular senescence and physical function in humans: observations from the lifestyle interventions for elders (LIFE) study. GeroScience 2022; 44:2757-2770. [PMID: 36367600 PMCID: PMC9768064 DOI: 10.1007/s11357-022-00685-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 10/30/2022] [Indexed: 11/13/2022] Open
Abstract
Cellular senescence is a plausible mediator of age-associated declines in physical performance. To test this premise, we examined cross-sectional associations between circulating components of the senescence-associated secretory phenotype (SASP) and measures of physical function and muscle strength in 1377 older adults. We showed significant associations between multiple SASP proteins and the short physical performance battery (SPPB), its subcomponents (gait speed, balance, chair rise time), and 400-m walk time. Activin A, ICAM1, MMP7, VEGFA, and eotaxin showed strong associations based on gradient boost machine learning (GBM), and, when combined with other proteins, effectively identified participants at the greatest risk for mobility disability (SPPB score [Formula: see text] 7). Senescence biomarkers were also associated with lower grip strength, and GBM identified PARC, ADAMTS13, and RANTES as top candidates in females, and MMP2, SOST, and MCP1 in males. These findings highlight an association between senescence biomarkers and physical performance in older adults. ClinicalTrials.gov Identifier: NCT01072500.
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Affiliation(s)
- Roger A Fielding
- Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center On Aging, Tufts University, Boston, MA, USA
| | | | - Zaira Aversa
- Robert and Arlene Kogod Center On Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Thomas A White
- Robert and Arlene Kogod Center On Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Amanda A Heeren
- Robert and Arlene Kogod Center On Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Sara J Achenbach
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - Michelle M Mielke
- Department of Epidemiology and Prevention, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Steven R Cummings
- Departments of Medicine, Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA, USA
- Research Institute, California Pacific Medical Center, San Francisco, CA, USA
| | - Marco Pahor
- Institute On Aging, University of Florida, Gainesville, FL, USA
| | | | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center On Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA.
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Erickson ML, Allen JM, Beavers DP, Collins LM, Davidson KW, Erickson KI, Esser KA, Hesselink MKC, Moreau KL, Laber EB, Peterson CA, Peterson CM, Reusch JE, Thyfault JP, Youngstedt SD, Zierath JR, Goodpaster BH, LeBrasseur NK, Buford TW, Sparks LM. Understanding heterogeneity of responses to, and optimizing clinical efficacy of, exercise training in older adults: NIH NIA Workshop summary. GeroScience 2022; 45:569-589. [PMID: 36242693 PMCID: PMC9886780 DOI: 10.1007/s11357-022-00668-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 02/03/2023] Open
Abstract
Exercise is a cornerstone of preventive medicine and a promising strategy to intervene on the biology of aging. Variation in the response to exercise is a widely accepted concept that dates back to the 1980s with classic genetic studies identifying sequence variations as modifiers of the VO2max response to training. Since that time, the literature of exercise response variance has been populated with retrospective analyses of existing datasets that are limited by a lack of statistical power from technical error of the measurements and small sample sizes, as well as diffuse outcomes, very few of which have included older adults. Prospective studies that are appropriately designed to interrogate exercise response variation in key outcomes identified a priori and inclusive of individuals over the age of 70 are long overdue. Understanding the underlying intrinsic (e.g., genetics and epigenetics) and extrinsic (e.g., medication use, diet, chronic disease) factors that determine robust versus poor responses to various exercise factors will be used to improve exercise prescription to target the pillars of aging and optimize the clinical efficacy of exercise training in older adults. This review summarizes the proceedings of the NIA-sponsored workshop entitled, "Understanding Heterogeneity of Responses to, and Optimizing Clinical Efficacy of, Exercise Training in Older Adults" and highlights the importance and current state of exercise response variation research, particularly in older adults, prevailing challenges, and future directions.
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Affiliation(s)
- Melissa L Erickson
- Translational Research Institute, AdventHealth, 301 E Princeton St, Orlando, FL, 32804, USA
| | - Jacob M Allen
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Champaign, IL, USA
| | - Daniel P Beavers
- Department of Statistical Sciences, Wake Forest University, Winston-Salem, NC, USA
| | - Linda M Collins
- Department of Social and Behavioral Sciences, New York University, New York, NY, USA
| | - Karina W Davidson
- Institute of Health System Science, Feinstein Institutes for Medical Research, Northwell Health, New York, NY, USA
| | - Kirk I Erickson
- Translational Research Institute, AdventHealth, 301 E Princeton St, Orlando, FL, 32804, USA
| | - Karyn A Esser
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL, USA
| | - Matthijs K C Hesselink
- Department of Nutrition and Movement Sciences, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands
| | - Kerrie L Moreau
- Department of Medicine, Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Eric B Laber
- Department of Statistical Sciences, Duke University, Durham, NC, USA
| | - Charlotte A Peterson
- Center for Muscle Biology, College of Health Sciences, University of Kentucky, Lexington, KY, USA
| | - Courtney M Peterson
- Department of Nutritional Sciences, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Jane E Reusch
- Department of Medicine, Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - John P Thyfault
- Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KN, USA
| | - Shawn D Youngstedt
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ, USA
| | - Juleen R Zierath
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Bret H Goodpaster
- Translational Research Institute, AdventHealth, 301 E Princeton St, Orlando, FL, 32804, USA
| | - Nathan K LeBrasseur
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Thomas W Buford
- Department of Medicine, University of Alabama at Birmingham, 1313 13th St. S., Birmingham, AL, 35244, USA.
- Birmingham/Atlanta VA GRECC, Birmingham VA Medical Center, Birmingham, AL, USA.
| | - Lauren M Sparks
- Translational Research Institute, AdventHealth, 301 E Princeton St, Orlando, FL, 32804, USA.
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Abstract
We propose the beneficial effects of exercise are in part mediated through the prevention and elimination of senescent cells. Exercise counters multiple forms of age-related molecular damage that initiate the senescence program and activates immune cells responsible for senescent cell clearance. Preclinical and clinical evidence for exercise as a senescence-targeting therapy and areas needing further investigation are discussed.
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Affiliation(s)
- Xu Zhang
- Robert and Arlene Kogod Center on Aging, Rochester, MN
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN
| | - Davis A. Englund
- Robert and Arlene Kogod Center on Aging, Rochester, MN
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN
| | - Zaira Aversa
- Robert and Arlene Kogod Center on Aging, Rochester, MN
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN
| | - Sarah K. Jachim
- Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN
| | | | - Nathan K. LeBrasseur
- Robert and Arlene Kogod Center on Aging, Rochester, MN
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN
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Marell PS, Vierkant RA, Olson JE, Herrmann J, Larson N, LeBrasseur NK, D’Andre SD, Cheville AL, Barksdale T, Loprinzi CL, Couch F, Ruddy KJ. Factors Associated With Physical Activity Levels in Patients With Breast Cancer. Oncologist 2022; 27:e811-e814. [PMID: 35946834 PMCID: PMC9526500 DOI: 10.1093/oncolo/oyac159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 07/01/2022] [Indexed: 01/21/2023] Open
Abstract
Physical activity (PA) is associated with improvement in breast cancer treatment-related symptoms and survival, yet most breast cancer survivors do not meet national PA guidelines. This study aimed to identify characteristics of participants that were associated with an increased likelihood of meeting PA guidelines. Adults with breast cancer seen at Mayo Clinic (Rochester, MN) were surveyed regarding their PA participation, and those who self-reported at least 150 minutes of moderate and/or strenuous aerobic PA weekly on average were considered to be "meeting guidelines". Three thousand participants returned PA data. Younger age, completion of the survey 7-12 years after diagnosis, absence of recurrence, no bilateral mastectomy, absence of metastatic disease, and lower BMI at the time of survey completion were associated with PA participation (P < .05 in univariate and multivariate analyses). Findings were similar when a threshold of 90 minutes was applied. These results may inform the development of targeted PA-facilitating interventions.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Fergus Couch
- Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
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36
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Zhang X, Pearsall VM, Carver CM, Atkinson EJ, Clarkson BDS, Grund EM, Baez-Faria M, Pavelko KD, Kachergus JM, White TA, Johnson RK, Malo CS, Gonzalez-Suarez AM, Ayasoufi K, Johnson KO, Tritz ZP, Fain CE, Khadka RH, Ogrodnik M, Jurk D, Zhu Y, Tchkonia T, Revzin A, Kirkland JL, Johnson AJ, Howe CL, Thompson EA, LeBrasseur NK, Schafer MJ. Rejuvenation of the aged brain immune cell landscape in mice through p16-positive senescent cell clearance. Nat Commun 2022; 13:5671. [PMID: 36167854 PMCID: PMC9515187 DOI: 10.1038/s41467-022-33226-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 09/06/2022] [Indexed: 11/10/2022] Open
Abstract
Cellular senescence is a plausible mediator of inflammation-related tissue dysfunction. In the aged brain, senescent cell identities and the mechanisms by which they exert adverse influence are unclear. Here we used high-dimensional molecular profiling, coupled with mechanistic experiments, to study the properties of senescent cells in the aged mouse brain. We show that senescence and inflammatory expression profiles increase with age and are brain region- and sex-specific. p16-positive myeloid cells exhibiting senescent and disease-associated activation signatures, including upregulation of chemoattractant factors, accumulate in the aged mouse brain. Senescent brain myeloid cells promote peripheral immune cell chemotaxis in vitro. Activated resident and infiltrating immune cells increase in the aged brain and are partially restored to youthful levels through p16-positive senescent cell clearance in female p16-InkAttac mice, which is associated with preservation of cognitive function. Our study reveals dynamic remodeling of the brain immune cell landscape in aging and suggests senescent cell targeting as a strategy to counter inflammatory changes and cognitive decline.
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Affiliation(s)
- Xu Zhang
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | | | - Chase M Carver
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Elizabeth J Atkinson
- Division of Clinical Trials and Biostatistics, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - Benjamin D S Clarkson
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Ethan M Grund
- Mayo Graduate School and Medical Scientist Training Program, Mayo Clinic, Rochester, MN, USA
| | - Michelle Baez-Faria
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | | | - Jennifer M Kachergus
- Department of Cancer Biology, Mayo Clinic Comprehensive Cancer Center, Mayo Clinic, Jacksonville, FL, USA
| | - Thomas A White
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | | | | | | | | | - Kurt O Johnson
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | | | - Cori E Fain
- Department of Immunology, Mayo Clinic, Rochester, MN, USA
| | - Roman H Khadka
- Department of Immunology, Mayo Clinic, Rochester, MN, USA
| | - Mikolaj Ogrodnik
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, Vienna, Austria
| | - Diana Jurk
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | - Yi Zhu
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Tamara Tchkonia
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Alexander Revzin
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - James L Kirkland
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
- Department of General Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Charles L Howe
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
- Center for Multiple Sclerosis and Autoimmune Neurology, Mayo Clinic, Rochester, MN, USA
- Division of Experimental Neurology, Mayo Clinic, Rochester, MN, USA
| | - E Aubrey Thompson
- Department of Cancer Biology, Mayo Clinic Comprehensive Cancer Center, Mayo Clinic, Jacksonville, FL, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Marissa J Schafer
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA.
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
- Department of Neurology, Mayo Clinic, Rochester, MN, USA.
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37
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Saul D, Kosinsky RL, Atkinson EJ, Doolittle ML, Zhang X, LeBrasseur NK, Pignolo RJ, Robbins PD, Niedernhofer LJ, Ikeno Y, Jurk D, Passos JF, Hickson LJ, Xue A, Monroe DG, Tchkonia T, Kirkland JL, Farr JN, Khosla S. A new gene set identifies senescent cells and predicts senescence-associated pathways across tissues. Nat Commun 2022; 13:4827. [PMID: 35974106 PMCID: PMC9381717 DOI: 10.1038/s41467-022-32552-1] [Citation(s) in RCA: 151] [Impact Index Per Article: 75.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 08/05/2022] [Indexed: 02/01/2023] Open
Abstract
Although cellular senescence drives multiple age-related co-morbidities through the senescence-associated secretory phenotype, in vivo senescent cell identification remains challenging. Here, we generate a gene set (SenMayo) and validate its enrichment in bone biopsies from two aged human cohorts. We further demonstrate reductions in SenMayo in bone following genetic clearance of senescent cells in mice and in adipose tissue from humans following pharmacological senescent cell clearance. We next use SenMayo to identify senescent hematopoietic or mesenchymal cells at the single cell level from human and murine bone marrow/bone scRNA-seq data. Thus, SenMayo identifies senescent cells across tissues and species with high fidelity. Using this senescence panel, we are able to characterize senescent cells at the single cell level and identify key intercellular signaling pathways. SenMayo also represents a potentially clinically applicable panel for monitoring senescent cell burden with aging and other conditions as well as in studies of senolytic drugs.
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Affiliation(s)
- Dominik Saul
- Division of Endocrinology, Mayo Clinic, Rochester, MN, 55905, USA.
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA.
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, Goettingen, Germany.
| | - Robyn Laura Kosinsky
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, 55905, USA
| | | | - Madison L Doolittle
- Division of Endocrinology, Mayo Clinic, Rochester, MN, 55905, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA
| | - Xu Zhang
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Robert J Pignolo
- Division of Endocrinology, Mayo Clinic, Rochester, MN, 55905, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Paul D Robbins
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Laura J Niedernhofer
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
| | - Yuji Ikeno
- Department of Pathology, University of Texas Health, San Antonio, TX, USA
| | - Diana Jurk
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - João F Passos
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - LaTonya J Hickson
- Division of Nephrology and Hypertension, Mayo Clinic, Jacksonville, FL, USA
| | - Ailing Xue
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA
| | - David G Monroe
- Division of Endocrinology, Mayo Clinic, Rochester, MN, 55905, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA
| | - Tamara Tchkonia
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - James L Kirkland
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Joshua N Farr
- Division of Endocrinology, Mayo Clinic, Rochester, MN, 55905, USA.
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA.
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
| | - Sundeep Khosla
- Division of Endocrinology, Mayo Clinic, Rochester, MN, 55905, USA.
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905, USA.
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
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Myasoedova E, Davis JM, Kronzer VL, Giblon RE, Atkinson EJ, LeBrasseur NK, Crowson CS. To the editor: Response to Kao et al. Semin Arthritis Rheum 2022; 55:151990. [PMID: 35305465 DOI: 10.1016/j.semarthrit.2022.151990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 03/07/2022] [Indexed: 11/23/2022]
Affiliation(s)
- Elena Myasoedova
- Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota; Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota.
| | - John M Davis
- Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Vanessa L Kronzer
- Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Rachel E Giblon
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota
| | | | - Nathan K LeBrasseur
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota; Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota
| | - Cynthia S Crowson
- Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota; Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota
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Marell PS, Olson JE, Herrmann J, Larson NL, LeBrasseur NK, D'Andre SD, Cheville AL, Barksdale T, Loprinzi CL, Couch FJ, Ruddy KJ. Abstract 5868: Factors associated with exercise participation in patients with breast cancer. Cancer Res 2022. [DOI: 10.1158/1538-7445.am2022-5868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
BACKGROUND: The American Cancer Society recommends at least 150 minutes of moderate and/or strenuous exercise and muscle-strengthening activities each week for adults. Exercise has been associated with decreased breast cancer mortality and adverse symptoms. This study’s purpose is to understand prevalence and predictors of inadequate aerobic exercise in patients recently diagnosed with breast cancer to inform interventions to increase exercise participation.
METHODS: Patients seen at least once at Mayo Clinic Rochester were prospectively enrolled within one year of an initial breast cancer diagnosis in the Mayo Clinic Breast Disease Registry after providing informed consent. This analysis includes those who completed a baseline survey with self-reported exercise data using the Godin Leisure-Time Exercise Questionnaire. This longitudinal cohort study was approved by the Mayo Clinic institutional review board.
RESULTS: 1,738 participants reported their usual weekly quantity of moderate and strenuous exercise an average of 95 days (SD 71 days, range 0-365) after diagnosis. Table 1 displays participant characteristics overall and by whether participants reported at least 150 minutes of moderate and/or strenuous activity weekly (“met guidelines”) or not (“did not meet guidelines”). Overall, 39% of participants met guidelines, including 56% of those aged 18-39 years, 40% of those aged 40-69 years, and 27% of those aged 70+ years.
CONCLUSION: Older age was associated with less likelihood of meeting exercise guidelines (all age groups vs 70+, p < 0.05). A more diverse cohort will be needed to evaluate differences by gender and race/ethnicity. There did not appear to be any obvious impact on exercise level by time since diagnosis (during the first year after diagnosis) or educational status, though substantial missing data limit conclusions related to the latter. Additional research is needed to assess exercise levels later in survivorship and the impact of various treatment modalities on exercise habits
Table 1. Patient and tumor characteristics
Citation Format: Paulina S. Marell, Janet E. Olson, Joerg Herrmann, Nicole L. Larson, Nathan K. LeBrasseur, Stacy D. D'Andre, Andrea L. Cheville, Toure Barksdale, Charles L. Loprinzi, Fergus J. Couch, Kathryn J. Ruddy. Factors associated with exercise participation in patients with breast cancer [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr 5868.
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Polen-De C, Fadadu P, Weaver AL, Moynagh M, Takahashi N, Jatoi A, LeBrasseur NK, McGree M, Cliby W, Kumar A. Quality is more important than quantity: pre-operative sarcopenia is associated with poor survival in advanced ovarian cancer. Int J Gynecol Cancer 2022; 32:ijgc-2022-003387. [PMID: 35680140 DOI: 10.1136/ijgc-2022-003387] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Sarcopenia is prevalent among older patients with cancer and is associated with poor outcomes. OBJECTIVE To explore the relationship between muscle mass, quality, and patient age with overall survival after surgery for advanced ovarian cancer. METHODS Patients with advanced stage (IIIC/IV) ovarian cancer who underwent primary cytoreductive surgery between January 2006 and July 2016 were included. Body composition measures were calculated from pre-operative CT imaging: skeletal muscle index (skeletal muscle index=skeletal muscle area normalized for height), skeletal muscle density, and skeletal muscle gauge (product of skeletal muscle index and skeletal muscle density). Each measure was transformed to a z-score and evaluated for association with risk of death using Cox proportional hazards models. Recursive partitioning was used to classify patients into homogeneous subgroups considering age and skeletal muscle gauge as predictors of overall survival. RESULTS The study included 429 patients (mean age 64.2 years). Increased age moderately correlated with decreased skeletal muscle gauge (r=-0.45). Decreasing skeletal muscle density and skeletal muscle gauge were significantly associated with increased risk of death; HR (95% CI) per 1-unit decrease in z-score of 1.24 (1.10 to 1.39) for skeletal muscle density and 1.27 (1.12 to 1.44) for skeletal muscle gauge. Associations were diluted after adjusting for age (1.13 (1.00 to 1.29) skeletal muscle density and 1.14 (0.99 to 1.30) skeletal muscle gauge). Recursive partitioning identified three subgroups: <60 years old, ≥60 years old with skeletal muscle gauge ≥937.3, and ≥60 years old with skeletal muscle gauge <937.3; median overall survival was 5.8, 3.3, and 2.3 years, respectively (p<0.001). CONCLUSIONS Skeletal muscle gauge, a novel sarcopenia measure incorporating quantity and quality, was associated with poorer survival in patients with advanced ovarian cancer, particularly among patients older than 60. Expanding our knowledge of how sarcopenia relates to solid tumor outcomes among high-risk patients can modify our treatment approach.
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Affiliation(s)
- Clarissa Polen-De
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, Minnesota, USA
| | - Priyal Fadadu
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, Minnesota, USA
| | - Amy L Weaver
- Department of Quantitative Health Sciences, Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, Minnesota, USA
| | - Michael Moynagh
- Department of Radiology, Mayo Clinic, Rochester, Minnesota, USA
| | - Naoki Takahashi
- Department of Radiology, Mayo Clinic, Rochester, Minnesota, USA
| | - Aminah Jatoi
- Department of Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - Nathan K LeBrasseur
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | - Michaela McGree
- Department of Quantitative Health Sciences, Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, Minnesota, USA
| | - William Cliby
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, Minnesota, USA
| | - Amanika Kumar
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, Minnesota, USA
- Department of Oncology, Mayo Clinic, Rochester, Minnesota, USA
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41
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Chandra A, Lagnado AB, Farr JN, Doolittle M, Tchkonia T, Kirkland JL, LeBrasseur NK, Robbins PD, Niedernhofer LJ, Ikeno Y, Passos JF, Monroe DG, Pignolo RJ, Khosla S. Targeted clearance of p21- but not p16-positive senescent cells prevents radiation-induced osteoporosis and increased marrow adiposity. Aging Cell 2022; 21:e13602. [PMID: 35363946 PMCID: PMC9124310 DOI: 10.1111/acel.13602] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 03/09/2022] [Accepted: 03/20/2022] [Indexed: 12/14/2022] Open
Abstract
Cellular senescence, which is a major cause of tissue dysfunction with aging and multiple other conditions, is known to be triggered by p16Ink4a or p21Cip1 , but the relative contributions of each pathway toward inducing senescence are unclear. Here, we directly addressed this issue by first developing and validating a p21-ATTAC mouse with the p21Cip1 promoter driving a "suicide" transgene encoding an inducible caspase-8 which, upon induction, selectively kills p21Cip1 -expressing senescent cells. Next, we used the p21-ATTAC mouse and the established p16-INK-ATTAC mouse to directly compare the contributions of p21Cip1 versus p16Ink4a in driving cellular senescence in a condition where a tissue phenotype (bone loss and increased marrow adiposity) is clearly driven by cellular senescence-specifically, radiation-induced osteoporosis. Using RNA in situ hybridization, we confirmed the reduction in radiation-induced p21Cip1 - or p16Ink4a -driven transcripts following senescent cell clearance in both models. However, only clearance of p21Cip1 +, but not p16Ink4a +, senescent cells prevented both radiation-induced osteoporosis and increased marrow adiposity. Reduction in senescent cells with dysfunctional telomeres following clearance of p21Cip1 +, but not p16Ink4a +, senescent cells also reduced several of the radiation-induced pro-inflammatory senescence-associated secretory phenotype factors. Thus, by directly comparing senescent cell clearance using two parallel genetic models, we demonstrate that radiation-induced osteoporosis is driven predominantly by p21Cip1 - rather than p16Ink4a -mediated cellular senescence. Further, this approach can be used to dissect the contributions of these pathways in other senescence-associated conditions, including aging across tissues.
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Affiliation(s)
- Abhishek Chandra
- Department of Physiology and Biomedical EngineeringMayo ClinicRochesterMinnesotaUSA
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
| | - Anthony B. Lagnado
- Department of Physiology and Biomedical EngineeringMayo ClinicRochesterMinnesotaUSA
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
| | - Joshua N. Farr
- Department of Physiology and Biomedical EngineeringMayo ClinicRochesterMinnesotaUSA
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of EndocrinologyMayo ClinicRochesterMinnesotaUSA
| | - Madison Doolittle
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of EndocrinologyMayo ClinicRochesterMinnesotaUSA
| | - Tamara Tchkonia
- Department of Physiology and Biomedical EngineeringMayo ClinicRochesterMinnesotaUSA
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
| | - James L. Kirkland
- Department of Physiology and Biomedical EngineeringMayo ClinicRochesterMinnesotaUSA
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
| | - Nathan K. LeBrasseur
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Department of Physical Medicine and RehabilitationMayo ClinicRochesterMinnesotaUSA
| | - Paul D. Robbins
- Institute on the Biology of Aging and MetabolismDepartment of Biochemistry, Molecular Biology and BiophysicsUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Laura J. Niedernhofer
- Institute on the Biology of Aging and MetabolismDepartment of Biochemistry, Molecular Biology and BiophysicsUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Yuji Ikeno
- Department of Pathology and Laboratory MedicineUniversity of Texas Health Science CenterSan AntonioTexasUSA
| | - João F. Passos
- Department of Physiology and Biomedical EngineeringMayo ClinicRochesterMinnesotaUSA
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
| | - David G. Monroe
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of EndocrinologyMayo ClinicRochesterMinnesotaUSA
| | - Robert J. Pignolo
- Department of Physiology and Biomedical EngineeringMayo ClinicRochesterMinnesotaUSA
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of EndocrinologyMayo ClinicRochesterMinnesotaUSA
| | - Sundeep Khosla
- Department of Physiology and Biomedical EngineeringMayo ClinicRochesterMinnesotaUSA
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of EndocrinologyMayo ClinicRochesterMinnesotaUSA
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Fu S, Thorsteinsdottir B, Zhang X, Lopes GS, Pagali SR, LeBrasseur NK, Wen A, Liu H, Rocca WA, Olson JE, Sauver JS, Sohn S. A hybrid model to identify fall occurrence from electronic health records. Int J Med Inform 2022; 162:104736. [PMID: 35316697 PMCID: PMC9448825 DOI: 10.1016/j.ijmedinf.2022.104736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 01/29/2022] [Accepted: 03/04/2022] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Falls are a leading cause of unintentional injury in the elderly. Electronic health records (EHRs) offer the unique opportunity to develop models that can identify fall events. However, identifying fall events in clinical notes requires advanced natural language processing (NLP) to simultaneously address multiple issues because the word "fall" is a typical homonym. METHODS We implemented a context-aware language model, Bidirectional Encoder Representations from Transformers (BERT) to identify falls from the EHR text and further fused the BERT model into a hybrid architecture coupled with post-hoc heuristic rules to enhance the performance. The models were evaluated on real world EHR data and were compared to conventional rule-based and deep learning models (CNN and Bi-LSTM). To better understand the ability of each approach to identify falls, we further categorize fall-related concepts (i.e., risk of fall, prevention of fall, homonym) and performed a detailed error analysis. RESULTS The hybrid model achieved the highest f1-score on sentence (0.971), document (0.985), and patient (0.954) level. At the sentence level (basic data unit in the model), the hybrid model had 0.954, 1.000, 0.988, and 0.999 in sensitivity, specificity, positive predictive value, and negative predictive value, respectively. The error analysis showed that that machine learning-based approaches demonstrated higher performance than a rule-based approach in challenging cases that required contextual understanding. The context-aware language model (BERT) slightly outperformed the word embedding approach trained on Bi-LSTM. No single model yielded the best performance for all fall-related semantic categories. CONCLUSION A context-aware language model (BERT) was able to identify challenging fall events that requires context understanding in EHR free text. The hybrid model combined with post-hoc rules allowed a custom fix on the BERT outcomes and further improved the performance of fall detection.
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Affiliation(s)
- Sunyang Fu
- Department of AI and Informatics, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA; University of Minnesota, Minneapolis, MN 55455, USA
| | | | - Xin Zhang
- Department of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Guilherme S Lopes
- Department of Quantitative Health Sciences, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Sandeep R Pagali
- Department of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Nathan K LeBrasseur
- Department of Physical Medicine & Rehabilitation, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA; Department of Physiology & Biomedical Engineering, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Andrew Wen
- Department of AI and Informatics, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Hongfang Liu
- Department of AI and Informatics, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Walter A Rocca
- Department of Quantitative Health Sciences, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA; Department of Neurology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA; Women's Health Research Center, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Janet E Olson
- Department of Quantitative Health Sciences, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Jennifer St Sauver
- Department of Quantitative Health Sciences, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Sunghwan Sohn
- Department of AI and Informatics, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.
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Fu S, Lopes GS, Pagali SR, Thorsteinsdottir B, LeBrasseur NK, Wen A, Liu H, Rocca WA, Olson JE, St. Sauver J, Sohn S. Ascertainment of Delirium Status Using Natural Language Processing From Electronic Health Records. J Gerontol A Biol Sci Med Sci 2022; 77:524-530. [PMID: 35239951 PMCID: PMC8893184 DOI: 10.1093/gerona/glaa275] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Delirium is underdiagnosed in clinical practice and is not routinely coded for billing. Manual chart review can be used to identify the occurrence of delirium; however, it is labor-intensive and impractical for large-scale studies. Natural language processing (NLP) has the capability to process raw text in electronic health records (EHRs) and determine the meaning of the information. We developed and validated NLP algorithms to automatically identify the occurrence of delirium from EHRs. METHODS This study used a randomly selected cohort from the population-based Mayo Clinic Biobank (N = 300, age ≥65). We adopted the standardized evidence-based framework confusion assessment method (CAM) to develop and evaluate NLP algorithms to identify the occurrence of delirium using clinical notes in EHRs. Two NLP algorithms were developed based on CAM criteria: one based on the original CAM (NLP-CAM; delirium vs no delirium) and another based on our modified CAM (NLP-mCAM; definite, possible, and no delirium). The sensitivity, specificity, and accuracy were used for concordance in delirium status between NLP algorithms and manual chart review as the gold standard. The prevalence of delirium cases was examined using International Classification of Diseases, 9th Revision (ICD-9), NLP-CAM, and NLP-mCAM. RESULTS NLP-CAM demonstrated a sensitivity, specificity, and accuracy of 0.919, 1.000, and 0.967, respectively. NLP-mCAM demonstrated sensitivity, specificity, and accuracy of 0.827, 0.913, and 0.827, respectively. The prevalence analysis of delirium showed that the NLP-CAM algorithm identified 12 651 (9.4%) delirium patients, the NLP-mCAM algorithm identified 20 611 (15.3%) definite delirium cases, and 10 762 (8.0%) possible cases. CONCLUSIONS NLP algorithms based on the standardized evidence-based CAM framework demonstrated high performance in delineating delirium status in an expeditious and cost-effective manner.
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Affiliation(s)
- Sunyang Fu
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota
- University of Minnesota, Minneapolis
| | - Guilherme S Lopes
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota
| | | | | | - Nathan K LeBrasseur
- Department of Physical Medicine & Rehabilitation, Mayo Clinic, Rochester, Minnesota
- Department of Physiology & Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Andrew Wen
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota
| | - Hongfang Liu
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota
| | - Walter A Rocca
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota
| | - Janet E Olson
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota
| | | | - Sunghwan Sohn
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota
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Lei H, Huffman DM, Salmon AB, LeBrasseur NK, Carter C, Richardson A, Austad S, Ladiges W. Resilience to aging is a heterogeneous characteristic defined by physical stressors. Aging Pathobiol Ther 2022; 4:19-22. [PMID: 35475259 PMCID: PMC9038086 DOI: 10.31491/apt.2022.03.076] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Physical resilience, the capacity to respond to and recover from a stressful event, declines with advancing age. Individuals respond differently to physical stressors across their lifespans. While the biological underpinnings of resilience remain unclear, a plausible determinant is the capacity of an individual's cellular and molecular levels to return to homeostasis after a physical challenge. Impaired resilience may not only be a consequence of aging but could also be a contributing factor to the aging process. Therefore, resilience at relatively younger ages could be predictive of future health and lifespan. By utilizing standardized physical challenges and measuring stress response patterns, the relative resilience of individuals can be quantified and classified. Current preclinical research suggests that several physical stressors could be used to measure resilience in clinical aging studies. A mechanistic understanding of why some individuals are more resilient to physical stressors than others could help identify protective factors and therapeutic ways to promote healthy aging.
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Affiliation(s)
- Haoyi Lei
- Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA, USA
| | - Derek M. Huffman
- Departments of Molecular Pharmacology, Medicine and Institute for Aging Research, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Adam B. Salmon
- San Antonio Sam and Ann Barshop Institute for Longevity and Aging Studies and Department of Molecular Medicine, The University of Texas Health Science Center at San Antonio, Department of Molecular Medicine, South Texas Veterans Health Care System, Geriatric Research Education and Clinical Center, San Antonio, TX, USA
| | - Nathan K. LeBrasseur
- Department of Physical Medicine & Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Christy Carter
- Department of Medicine, Division of Gerontology, Geriatrics and Palliative Care, School of Medicine, University of Alabama Birmingham, Birmingham, AL, USA
| | - Arlan Richardson
- Department of Biochemistry & Molecular Biology, University of Oklahoma Health Science Center. Oklahoma City VA Medical Center, Oklahoma City, OK, USA
| | - Steve Austad
- Department of Biology, University of Alabama Birmingham, Birmingham, AL, USA
| | - Warren Ladiges
- Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA, USA
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Brown MR, Sen SK, Mazzone A, Her TK, Xiong Y, Lee JH, Javeed N, Colwell CS, Rakshit K, LeBrasseur NK, Gaspar-Maia A, Ordog T, Matveyenko AV. Time-restricted feeding prevents deleterious metabolic effects of circadian disruption through epigenetic control of β cell function. Sci Adv 2021; 7:eabg6856. [PMID: 34910509 PMCID: PMC8673777 DOI: 10.1126/sciadv.abg6856] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 10/28/2021] [Indexed: 05/30/2023]
Abstract
Circadian rhythm disruption (CD) is associated with impaired glucose homeostasis and type 2 diabetes mellitus (T2DM). While the link between CD and T2DM remains unclear, there is accumulating evidence that disruption of fasting/feeding cycles mediates metabolic dysfunction. Here, we used an approach encompassing analysis of behavioral, physiological, transcriptomic, and epigenomic effects of CD and consequences of restoring fasting/feeding cycles through time-restricted feeding (tRF) in mice. Results show that CD perturbs glucose homeostasis through disruption of pancreatic β cell function and loss of circadian transcriptional and epigenetic identity. In contrast, restoration of fasting/feeding cycle prevented CD-mediated dysfunction by reestablishing circadian regulation of glucose tolerance, β cell function, transcriptional profile, and reestablishment of proline and acidic amino acid–rich basic leucine zipper (PAR bZIP) transcription factor DBP expression/activity. This study provides mechanistic insights into circadian regulation of β cell function and corresponding beneficial effects of tRF in prevention of T2DM.
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Affiliation(s)
- Matthew R. Brown
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Satish K. Sen
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Amelia Mazzone
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
- Epigenomics Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
| | - Tracy K. Her
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Yuning Xiong
- Epigenomics Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Jeong-Heon Lee
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
- Epigenomics Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Naureen Javeed
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Christopher S. Colwell
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Kuntol Rakshit
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Nathan K. LeBrasseur
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Alexandre Gaspar-Maia
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
- Epigenomics Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
| | - Tamas Ordog
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
- Epigenomics Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
- Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Aleksey V. Matveyenko
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
- Division of Endocrinology, Metabolism, Diabetes, and Nutrition, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
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Zhang L, Zhao J, Mu X, McGowan SJ, Angelini L, O'Kelly RD, Yousefzadeh MJ, Sakamoto A, Aversa Z, LeBrasseur NK, Suh Y, Huard J, Kamenecka TM, Niedernhofer LJ, Robbins PD. Novel small molecule inhibition of IKK/NF-κB activation reduces markers of senescence and improves healthspan in mouse models of aging. Aging Cell 2021; 20:e13486. [PMID: 34734460 PMCID: PMC8672781 DOI: 10.1111/acel.13486] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 09/01/2021] [Accepted: 09/13/2021] [Indexed: 11/30/2022] Open
Abstract
Constitutive NF-κB activation is associated with cellular senescence and stem cell dysfunction and rare variants in NF-κB family members are enriched in centenarians. We recently identified a novel small molecule (SR12343) that inhibits IKK/NF-κB activation by disrupting the association between IKKβ and NEMO. Here we investigated the therapeutic effects of SR12343 on senescence and aging in three different mouse models. SR12343 reduced senescence-associated beta-galactosidase (SA-β-gal) activity in oxidative stress-induced senescent mouse embryonic fibroblasts as well as in etoposide-induced senescent human IMR90 cells. Chronic administration of SR12343 to the Ercc1-/∆ and Zmpste24-/- mouse models of accelerated aging reduced markers of cellular senescence and SASP and improved multiple parameters of aging. SR12343 also reduced markers of senescence and increased muscle fiber size in 2-year-old WT mice. Taken together, these results demonstrate that IKK/NF-κB signaling pathway represents a promising target for reducing markers of cellular senescence, extending healthspan and treating age-related diseases.
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Affiliation(s)
- Lei Zhang
- Department of Biochemistry, Molecular Biology and BiophysicsInstitute on the Biology of Aging and MetabolismUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Jing Zhao
- Department of Molecular MedicineScripps ResearchJupiterFloridaUSA
| | - Xiaodong Mu
- Center for Regenerative Sports MedicineSteadman Philippon Research InstituteVailColoradoUSA
- Shandong First Medical University (Shandong Academy of Medical Sciences)JinanChina
| | - Sara J. McGowan
- Department of Biochemistry, Molecular Biology and BiophysicsInstitute on the Biology of Aging and MetabolismUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Luise Angelini
- Department of Biochemistry, Molecular Biology and BiophysicsInstitute on the Biology of Aging and MetabolismUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Ryan D. O'Kelly
- Department of Biochemistry, Molecular Biology and BiophysicsInstitute on the Biology of Aging and MetabolismUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Matthew J. Yousefzadeh
- Department of Biochemistry, Molecular Biology and BiophysicsInstitute on the Biology of Aging and MetabolismUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Ayumi Sakamoto
- Department of Physical Medicine and Rehabilitation and Robert and Arlene Kogod Center on AgingRochesterMinnesotaUSA
| | - Zaira Aversa
- Department of Physical Medicine and Rehabilitation and Robert and Arlene Kogod Center on AgingRochesterMinnesotaUSA
| | - Nathan K. LeBrasseur
- Department of Physical Medicine and Rehabilitation and Robert and Arlene Kogod Center on AgingRochesterMinnesotaUSA
| | - Yousin Suh
- Department of Genetics and DevelopmentColumbia UniversityNew YorkNew YorkUSA
| | - Johnny Huard
- Center for Regenerative Sports MedicineSteadman Philippon Research InstituteVailColoradoUSA
| | | | - Laura J. Niedernhofer
- Department of Biochemistry, Molecular Biology and BiophysicsInstitute on the Biology of Aging and MetabolismUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Paul D. Robbins
- Department of Biochemistry, Molecular Biology and BiophysicsInstitute on the Biology of Aging and MetabolismUniversity of MinnesotaMinneapolisMinnesotaUSA
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Englund DA, Zhang X, Aversa Z, LeBrasseur NK. Skeletal muscle aging, cellular senescence, and senotherapeutics: Current knowledge and future directions. Mech Ageing Dev 2021; 200:111595. [PMID: 34742751 PMCID: PMC8627455 DOI: 10.1016/j.mad.2021.111595] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 12/16/2022]
Abstract
Cellular senescence is a state of cell cycle arrest induced by several forms of metabolic stress. Senescent cells accumulate with advancing age and have a distinctive phenotype, characterized by profound chromatin alterations and a robust senescence-associated secretory phenotype (SASP) that exerts negative effects on tissue health, both locally and systemically. In preclinical models, pharmacological agents that eliminate senescent cells (senotherapeutics) restore health and youthful properties in multiple tissues. To date, however, very little is understood about the vulnerability of terminally-differentiated skeletal muscle fibers and the resident mononuclear cells that populate the interstitial microenvironment of skeletal muscle to senescence, and their contribution to the onset and progression of skeletal muscle loss and dysfunction with aging. Scientific advances in these areas have the potential to highlight new therapeutic approaches to optimize late-life muscle health. To this end, this review highlights the current evidence and the key questions that need to be addressed to advance the field's understanding of cellular senescence as a mediator of skeletal muscle aging and the potential for emerging senescent cell-targeting therapies to counter age-related deficits in muscle mass, strength, and function. This article is part of the Special Issue - Senolytics - Edited by Joao Passos and Diana Jurk.
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Affiliation(s)
- Davis A Englund
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Xu Zhang
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Zaira Aversa
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
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Verdoorn BP, Evans TK, Hanson GJ, Zhu Y, Langhi Prata LGP, Pignolo RJ, Atkinson EJ, Wissler‐Gerdes EO, Kuchel GA, Mannick JB, Kritchevsky SB, Khosla S, Rizza SA, Walston JD, Musi N, Lipsitz LA, Kiel DP, Yung R, LeBrasseur NK, Singh RJ, McCarthy T, Puskarich MA, Niedernhofer LJ, Robbins PD, Sorenson M, Tchkonia T, Kirkland JL. Fisetin for COVID-19 in skilled nursing facilities: Senolytic trials in the COVID era. J Am Geriatr Soc 2021; 69:3023-3033. [PMID: 34375437 PMCID: PMC8447437 DOI: 10.1111/jgs.17416] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 07/23/2021] [Accepted: 07/31/2021] [Indexed: 01/19/2023]
Abstract
The burden of senescent cells (SnCs), which do not divide but are metabolically active and resistant to death by apoptosis, is increased in older adults and those with chronic diseases. These individuals are also at the greatest risk for morbidity and mortality from SARS-CoV-2 infection. SARS-CoV-2 complications include cytokine storm and multiorgan failure mediated by the same factors as often produced by SnCs through their senescence-associated secretory phenotype (SASP). The SASP can be amplified by infection-related pathogen-associated molecular profile factors. Senolytic agents, such as Fisetin, selectively eliminate SnCs and delay, prevent, or alleviate multiple disorders in aged experimental animals and animal models of human chronic diseases, including obesity, diabetes, and respiratory diseases. Senolytics are now in clinical trials for multiple conditions linked to SnCs, including frailty; obesity/diabetes; osteoporosis; and cardiovascular, kidney, and lung diseases, which are also risk factors for SARS-CoV-2 morbidity and mortality. A clinical trial is underway to test if senolytics decrease SARS-CoV-2 progression and morbidity in hospitalized older adults. We describe here a National Institutes of Health-funded, multicenter, placebo-controlled clinical trial of Fisetin for older adult skilled nursing facility (SNF) residents who have been, or become, SARS-CoV-2 rtPCR-positive, including the rationale for targeting fundamental aging mechanisms in such patients. We consider logistic challenges of conducting trials in long-term care settings in the SARS-CoV-2 era, including restricted access, consent procedures, methods for obtaining biospecimens and clinical data, staffing, investigational product administration issues, and potential solutions for these challenges. We propose developing a national network of SNFs engaged in interventional clinical trials.
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Affiliation(s)
- Brandon P. Verdoorn
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of Geriatrics and GerontologyMayo ClinicRochesterMinnesotaUSA
| | - Tamara K. Evans
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
| | - Gregory J. Hanson
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of Geriatrics and GerontologyMayo ClinicRochesterMinnesotaUSA
| | - Yi Zhu
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
| | | | - Robert J. Pignolo
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of Geriatrics and GerontologyMayo ClinicRochesterMinnesotaUSA
| | - Elizabeth J. Atkinson
- Division of Biomedical Statistics and Informatics, Department of Health Sciences ResearchMayo ClinicRochesterMinnesotaUSA
| | | | - George A. Kuchel
- University of Connecticut Center on Aging, UConn HealthFarmingtonConnecticutUSA
| | | | - Stephen B. Kritchevsky
- Sticht Center for Healthy Aging and Alzheimer's PreventionWinston‐SalemNorth CarolinaUSA
| | - Sundeep Khosla
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of Endocrinology, Department of MedicineMayo ClinicRochesterMinnesotaUSA
| | - Stacey A. Rizza
- Division of Infectious Diseases, Department of MedicineMayo ClinicRochesterMinnesotaUSA
| | - Jeremy D. Walston
- Department of Medicine, Division of Geriatric Medicine and GerontologyJohns Hopkins UniversityBaltimoreMarylandUSA
| | - Nicolas Musi
- Barshop Institute for Longevity and Aging StudiesUniversity of Texas Health Science Center at San AntonioSan AntonioTexasUSA
| | - Lewis A. Lipsitz
- Hinda and Arthur Marcus Institute for Aging ResearchHebrew SeniorLifeBostonMassachusettsUSA
- Division of GerontologyBeth Israel Deaconess Medical CenterBostonMassachusettsUSA
- Harvard Medical SchoolBostonMassachusettsUSA
| | - Douglas P. Kiel
- Hinda and Arthur Marcus Institute for Aging ResearchHebrew SeniorLifeBostonMassachusettsUSA
- Division of GerontologyBeth Israel Deaconess Medical CenterBostonMassachusettsUSA
- Harvard Medical SchoolBostonMassachusettsUSA
| | - Raymond Yung
- Geriatrics Center and Institute of GerontologyUniversity of MichiganAnn ArborMichiganUSA
- VA Ann Arbor Geriatrics ResearchEducation and Clinical CenterAnn ArborMichiganUSA
- Department of Internal Medicine Division of Geriatric and Palliative MedicineUniversity of MichiganAnn ArborMichiganUSA
| | - Nathan K. LeBrasseur
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Department of Physical Medicine and RehabilitationMayo ClinicRochesterMinnesotaUSA
| | - Ravinder J. Singh
- Department of Laboratory Medicine and PathologyMayo ClinicRochesterMinnesotaUSA
| | - Teresa McCarthy
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and BiophysicsUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Michael A. Puskarich
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and BiophysicsUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Laura J. Niedernhofer
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and BiophysicsUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Paul D. Robbins
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and BiophysicsUniversity of MinnesotaMinneapolisMinnesotaUSA
| | | | - Tamara Tchkonia
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
| | - James L. Kirkland
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMinnesotaUSA
- Division of Geriatrics and GerontologyMayo ClinicRochesterMinnesotaUSA
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Lorenz EC, Kennedy CC, Rule AD, LeBrasseur NK, Kirkland JL, Hickson LJ. Frailty in CKD and Transplantation. Kidney Int Rep 2021; 6:2270-2280. [PMID: 34514190 PMCID: PMC8418946 DOI: 10.1016/j.ekir.2021.05.025] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [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: 02/08/2021] [Revised: 05/18/2021] [Accepted: 05/24/2021] [Indexed: 12/20/2022] Open
Abstract
The population is aging. Although older adults have higher rates of comorbidities and adverse health events, they represent a heterogeneous group with different health trajectories. Frailty, a clinical syndrome of decreased physiological reserve and increased susceptibility to illness and death, has emerged as a potential risk stratification tool in older patients with chronic kidney disease (CKD). Frailty is commonly observed in patients with CKD and associated with numerous adverse outcomes, including falls, decreased quality of life, hospitalizations, and death. Multiple pathologic factors contribute to the development of frailty in patients with CKD, including biological mechanisms of aging and physiological dysregulation. Current interventions to reduce frailty are promising, but additional investigations are needed to determine whether optimizing frailty measures improves renal and overall health outcomes. This review of frailty in CKD examines frailty definitions, the impact of frailty on health outcomes across the CKD spectrum, mechanisms of frailty, and antifrailty interventions (e.g., exercise or senescent cell clearance) tested in CKD patients. In addition, existing knowledge gaps, limitations of current frailty definitions in CKD, and challenges surrounding effective antifrailty strategies in CKD are considered.
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Affiliation(s)
- Elizabeth C Lorenz
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA.,William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, Minnesota, USA
| | - Cassie C Kennedy
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, Minnesota, USA.,Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Andrew D Rule
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - James L Kirkland
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - LaTonya J Hickson
- Division of Nephrology and Hypertension, Mayo Clinic, Jacksonville, Florida, USA
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Pandey A, Shah SJ, Butler J, Kellogg DL, Lewis GD, Forman DE, Mentz RJ, Borlaug BA, Simon MA, Chirinos JA, Fielding RA, Volpi E, Molina AJA, Haykowsky MJ, Sam F, Goodpaster BH, Bertoni AG, Justice JN, White JP, Ding J, Hummel SL, LeBrasseur NK, Taffet GE, Pipinos II, Kitzman D. Exercise Intolerance in Older Adults With Heart Failure With Preserved Ejection Fraction: JACC State-of-the-Art Review. J Am Coll Cardiol 2021; 78:1166-1187. [PMID: 34503685 PMCID: PMC8525886 DOI: 10.1016/j.jacc.2021.07.014] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 07/09/2021] [Accepted: 07/13/2021] [Indexed: 12/16/2022]
Abstract
Exercise intolerance (EI) is the primary manifestation of chronic heart failure with preserved ejection fraction (HFpEF), the most common form of heart failure among older individuals. The recent recognition that HFpEF is likely a systemic, multiorgan disorder that shares characteristics with other common, difficult-to-treat, aging-related disorders suggests that novel insights may be gained from combining knowledge and concepts from aging and cardiovascular disease disciplines. This state-of-the-art review is based on the outcomes of a National Institute of Aging-sponsored working group meeting on aging and EI in HFpEF. We discuss aging-related and extracardiac contributors to EI in HFpEF and provide the rationale for a transdisciplinary, "gero-centric" approach to advance our understanding of EI in HFpEF and identify promising new therapeutic targets. We also provide a framework for prioritizing future research, including developing a uniform, comprehensive approach to phenotypic characterization of HFpEF, elucidating key geroscience targets for treatment, and conducting proof-of-concept trials to modify these targets.
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Affiliation(s)
- Ambarish Pandey
- University of Texas Southwestern Medical Center, Dallas, Texas, USA. https://twitter.com/ambarish4786
| | - Sanjiv J Shah
- Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Javed Butler
- University of Mississippi Medical Center, Jackson, Mississippi, USA
| | - Dean L Kellogg
- University of Texas Health Science Center and GRECC, South Texas Veterans Affairs Health System, San Antonio, Texas, USA
| | | | - Daniel E Forman
- University of Pittsburgh and VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, USA
| | - Robert J Mentz
- Duke Clinical Research Center, Durham, North Carolina, USA
| | | | - Marc A Simon
- University of Pittsburgh and VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, USA
| | | | | | - Elena Volpi
- University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | | | | | - Flora Sam
- Boston University School of Medicine, Boston, Massachusetts, USA
| | - Bret H Goodpaster
- Advent Health Translational Research Institute, Orlando, Florida, USA
| | - Alain G Bertoni
- Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Jamie N Justice
- Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | | | - Jingzhone Ding
- Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Scott L Hummel
- University of Michigan and the VA Ann Arbor Health System, Ann Arbor, Michigan, USA
| | | | | | | | - Dalane Kitzman
- Wake Forest School of Medicine, Winston-Salem, North Carolina, USA.
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