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Zhang W, Li Z, Niu Y, Zhe F, Liu W, Fu S, Wang B, Jin X, Zhang J, Sun D, Li H, Luo Q, Zhao Y, Chen X, Chen Y. The biological age model for evaluating the degree of aging in centenarians. Arch Gerontol Geriatr 2024; 117:105175. [PMID: 37688921 DOI: 10.1016/j.archger.2023.105175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 08/11/2023] [Accepted: 08/30/2023] [Indexed: 09/11/2023]
Abstract
BACKGROUND Biological age (BA) has been used to assess individuals' aging conditions. However, few studies have evaluated BA models' applicability in centenarians. METHODS Important organ function examinations were performed in 1798 cases of the longevity population (80∼115 years old) in Hainan, China. Eighty indicators were selected that responded to nutritional status, cardiovascular function, liver and kidney function, bone metabolic function, endocrine system, hematological system, and immune system. BA models were constructed using multiple linear regression (MLR), principal component analysis (PCA), Klemera and Doubal method (KDM), random forest (RF), support vector machine (SVM), extreme gradient boosting (XGBoost), and light gradient boosting machine (lightGBM) methods. A tenfold crossover validated the efficacy of models. RESULTS A total of 1398 participants were enrolled, of whom centenarians accounted for 49.21%. Seven aging markers were obtained, including estimated glomerular filtration rate, albumin, pulse pressure, calf circumference, body surface area, fructosamine, and complement 4. Eight BA models were successfully constructed, namely MLR, PCA, KDM1, KDM2, RF, SVM, XGBoost and lightGBM, which had the worst R2 of 0.45 and the best R2 of 0.92. The best R2 for cross-validation was KDM2 (0.89), followed by PCA (0.62). CONCLUSION In this study, we successfully applied eight methods, including traditional methods and machine learning, to construct models of biological age, and the performance varied among the models.
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Affiliation(s)
- Weiguang Zhang
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Zhe Li
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China; The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Yue Niu
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Feng Zhe
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Weicen Liu
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China
| | - Shihui Fu
- Department of Nephrology, Hainan Hospital of Chinese PLA General Hospital, Hainan Academician Team Innovation Center, Sanya, China
| | - Bin Wang
- Department of Nephrology, Hainan Hospital of Chinese PLA General Hospital, Hainan Academician Team Innovation Center, Sanya, China
| | - Xinye Jin
- Department of Nephrology, Hainan Hospital of Chinese PLA General Hospital, Hainan Academician Team Innovation Center, Sanya, China
| | - Jie Zhang
- Department of Nephrology, Hainan Hospital of Chinese PLA General Hospital, Hainan Academician Team Innovation Center, Sanya, China
| | - Ding Sun
- Department of Nephrology, Hainan Hospital of Chinese PLA General Hospital, Hainan Academician Team Innovation Center, Sanya, China
| | - Hao Li
- Department of Nephrology, Hainan Hospital of Chinese PLA General Hospital, Hainan Academician Team Innovation Center, Sanya, China
| | - Qing Luo
- Department of Nephrology, Hainan Hospital of Chinese PLA General Hospital, Hainan Academician Team Innovation Center, Sanya, China
| | - Yali Zhao
- Department of Nephrology, Hainan Hospital of Chinese PLA General Hospital, Hainan Academician Team Innovation Center, Sanya, China.
| | - Xiangmei Chen
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China.
| | - Yizhi Chen
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Nephrology Institute of the Chinese People's Liberation Army, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Disease Research, Beijing, China; Department of Nephrology, Hainan Hospital of Chinese PLA General Hospital, Hainan Academician Team Innovation Center, Sanya, China.
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Sopariwala D, Nguyen H, Narkar V. Estrogen-related Receptor Signaling in Skeletal Muscle Fitness. Int J Sports Med 2023; 44:609-617. [PMID: 36787804 DOI: 10.1055/a-2035-8192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Skeletal muscle is a highly plastic tissue that can alter its metabolic and contractile features, as well as regenerative potential in response to exercise and other conditions. Multiple signaling factors including metabolites, kinases, receptors, and transcriptional factors have been studied in the regulation of skeletal muscle plasticity. Recently, estrogen-related receptors (ERRs) have emerged as a critical transcriptional hub in control of skeletal muscle homeostasis. ERRα and ERRγ - the two highly expressed ERR sub-types in the muscle respond to various extracellular cues such as exercise, hypoxia, fasting and dietary factors, in turn regulating gene expression in the skeletal muscle. On the other hand, conditions such as diabetes and muscular dystrophy suppress expression of ERRs in the skeletal muscle, likely contributing to disease progression. We highlight key functions of ERRs in the skeletal muscle including the regulation of fiber type, mitochondrial metabolism, vascularization, and regeneration. We also describe how ERRs are regulated in the skeletal muscle, and their interaction with important muscle regulators (e. g. AMPK and PGCs). Finally, we identify critical gaps in our understanding of ERR signaling in the skeletal muscle, and suggest future areas of investigation to advance ERRs as potential targets for function promoting therapeutics in muscle diseases.
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Affiliation(s)
- Danesh Sopariwala
- Institute of Molecular Medicine, University of Texas John P and Katherine G McGovern Medical School, Houston, United States
| | - Hao Nguyen
- Institute of Molecular Medicine, University of Texas John P and Katherine G McGovern Medical School, Houston, United States
| | - Vihang Narkar
- Institute of Molecular Medicine, University of Texas John P and Katherine G McGovern Medical School, Houston, United States
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Wang Y, Li J, Zhang Z, Wang R, Bo H, Zhang Y. Exercise Improves the Coordination of the Mitochondrial Unfolded Protein Response and Mitophagy in Aging Skeletal Muscle. Life (Basel) 2023; 13:life13041006. [PMID: 37109535 PMCID: PMC10142204 DOI: 10.3390/life13041006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/09/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
The mitochondrial unfolded protein response (UPRmt) and mitophagy are two mitochondrial quality control (MQC) systems that work at the molecular and organelle levels, respectively, to maintain mitochondrial homeostasis. Under stress conditions, these two processes are simultaneously activated and compensate for each other when one process is insufficient, indicating mechanistic coordination between the UPRmt and mitophagy that is likely controlled by common upstream signals. This review focuses on the molecular signals regulating this coordination and presents evidence showing that this coordination mechanism is impaired during aging and promoted by exercise. Furthermore, the bidirectional regulation of reactive oxygen species (ROS) and AMPK in modulating this mechanism is discussed. The hierarchical surveillance network of MQC can be targeted by exercise-derived ROS to attenuate aging, which offers a molecular basis for potential therapeutic interventions for sarcopenia.
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Affiliation(s)
- Yan Wang
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, School of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China
- School of Physical Education, Guangdong Institute of Petrochemical Technology, Maoming 525000, China
| | - Jialin Li
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, School of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China
| | - Ziyi Zhang
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, School of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China
| | - Runzi Wang
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, School of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China
| | - Hai Bo
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, School of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China
- Department of Military Training Medicines, Logistics University of Chinese People's Armed Police Force, Tianjin 300162, China
| | - Yong Zhang
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, School of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China
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Wei J, Jiao J, Chen CL, Tao WY, Ying YJ, Zhang WW, Wu XJ, Zhang XM. The association between low calf circumference and mortality: a systematic review and meta-analysis. Eur Geriatr Med 2022; 13:597-609. [PMID: 35006574 DOI: 10.1007/s41999-021-00603-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/13/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE Low calf circumference is an important indicator of malnutrition and has been widely studied, especially among older adults. However, data on the association between low calf circumference and mortality have been inconsistent. This systematic review was aimed to quantify this association. METHODS The internet databases (PubMed, Embase, ScienceDirect and Cochrane Library databases) were systematically searched from inception to November 01, 2021 for studies investigating the association between low calf circumference and mortality. A random effects model was adopted to pool the relevant data. RESULTS Low calf circumference was associated with a higher risk of mortality than normal calf circumference, with a pooled HR of 2.42 (95% CI 1.97-2.97, I2 = 74.3%). In addition, this association between low calf circumference and morality was still statistically significant in the subgroup analysis across different settings, including hospitals (pooled HR = 2.63, 95% CI 1.93-3.58), nursing homes (pooled HR = 2.49, 95% CI 1.76-3.54), and communities (pooled HR = 2.22, 95% CI 1.60-3.07). Other subgroup analyses based on different cutoffs of calf circumference showed that, compared to individual with normal calf circumference, participants with low calf circumference had an increased risk of mortality (pooled HR = 2.66, 95% CI 2.06-3.43) when using the Asian Working Group for Sarcopenia (AWGS) criterion (≤ 34 cm for males and ≤ 33 cm for females). Similar results were found when the Mini Nutritional Assessment (MNA) criterion (≤ 31 cm) was used, with a pooled HR of 2.11 (95% CI 1.59-2.81). CONCLUSION Calf circumference, which is simple and convenient to measure, could be used to stratify the high-risk group, as low calf circumference was significantly associated with mortality among patients. Interventions, including exercise and nutrition programs, could be conducted promptly once low calf circumference is detected.
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Affiliation(s)
- Jian Wei
- Department of Emergency, The Affiliated Baoan Hospital of Southern Medical University, People's Hospital of Baoan Shenzhen, Shenzhen, China
| | - Jing Jiao
- Department of Nursing, Chinese Academy of Medical Sciences, Peking Union Medical College, Peking Union Medical College Hospital (Dongdan Campus), Beijing, 100730, China
| | - Chun-Lan Chen
- Department of Emergency, The Affiliated Baoan Hospital of Southern Medical University, People's Hospital of Baoan Shenzhen, Shenzhen, China
| | - Wu-Yuan Tao
- Department of Emergency, The Affiliated Baoan Hospital of Southern Medical University, People's Hospital of Baoan Shenzhen, Shenzhen, China
| | - Yuan-Jiang Ying
- Department of Emergency, The Affiliated Baoan Hospital of Southern Medical University, People's Hospital of Baoan Shenzhen, Shenzhen, China
| | - Wen-Wu Zhang
- Department of Emergency, The Affiliated Baoan Hospital of Southern Medical University, People's Hospital of Baoan Shenzhen, Shenzhen, China.
| | - Xin-Juan Wu
- Department of Nursing, Chinese Academy of Medical Sciences, Peking Union Medical College, Peking Union Medical College Hospital (Dongdan Campus), Beijing, 100730, China.
| | - Xiao-Ming Zhang
- Department of Nursing, Chinese Academy of Medical Sciences, Peking Union Medical College, Peking Union Medical College Hospital (Dongdan Campus), Beijing, 100730, China.
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Klawitter L, Vincent BM, Choi BJ, Smith J, Hammer KD, Jurivich DA, Dahl LJ, McGrath R. Handgrip Strength Asymmetry and Weakness Are Associated With Future Morbidity Accumulation in Americans. J Strength Cond Res 2022; 36:106-112. [PMID: 34941610 DOI: 10.1519/jsc.0000000000004166] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
ABSTRACT Klawitter, L, Vincent, BM, Choi, BJ, Smith, J, Hammer, KD, Jurivich, DA, Dahl, LJ, and McGrath, R. Handgrip strength asymmetry and weakness are associated with future morbidity accumulation in americans. J Strength Cond Res 36(1): 106-112, 2022-Identifying strength asymmetries in physically deconditioned populations may help in screening and treating persons at risk for morbidities linked to muscle dysfunction. Our investigation sought to examine the associations between handgrip strength (HGS) asymmetry and weakness on accumulating morbidities in aging Americans. The analytic sample included 18,506 Americans aged ≥50 years from the 2006-2016 Health and Retirement Study. Handgrip strength was measured on each hand with a handgrip dynamometer, and persons with an imbalance in strength >10% between hands had HGS asymmetry. Men with HGS <26 kg and women with HGS <16 kg were considered as weak. Subjects reported the presence of healthcare provider-diagnosed morbidities: hypertension, diabetes, cancer, chronic lung disease, cardiovascular disease, stroke, arthritis, and psychiatric problems. Covariate-adjusted ordinal generalized estimating equations analyzed the associations for each HGS asymmetry and weakness group on future accumulating morbidities. Of those included in our study, subjects at baseline were aged 65.0 ± 10.2 years, 9,570 (51.7%) had asymmetric HGS, and 996 (5.4%) were weak. Asymmetry alone and weakness alone were associated with 1.09 (95% confidence interval [CI]: 1.04-1.14) and 1.27 (CI: 1.11-1.45) greater odds for future accumulating morbidities, respectively. Having both HGS asymmetry and weakness was associated with 1.46 (CI: 1.29-1.65) greater odds for future accumulating morbidities. Handgrip-strength asymmetry, as another potential indicator of impaired muscle function, is associated with future morbidity status during aging. Exercise professionals and related practitioners should consider examining asymmetry and weakness with handgrip dynamometers as a simple and noninvasive screening method for helping to determine muscle dysfunction and future chronic disease risk.
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Affiliation(s)
- Lukus Klawitter
- Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, Fargo, North Dakota
| | - Brenda M Vincent
- Department of Statistics, North Dakota State University, Fargo, North Dakota
| | - Bong-Jin Choi
- Department of Statistics, North Dakota State University, Fargo, North Dakota
- Department of Public Health, North Dakota State University, Fargo, North Dakota
| | - Joseph Smith
- Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, Fargo, North Dakota
| | - Kimberly D Hammer
- Fargo Virginia Healthcare System, Fargo, North Dakota
- Department of Internal Medicine, University of North Dakota, Grand Forks, North Dakota; and
| | - Donald A Jurivich
- Department of Geriatrics, University of North Dakota, Grand Forks, North Dakota
| | - Lindsey J Dahl
- Department of Geriatrics, University of North Dakota, Grand Forks, North Dakota
| | - Ryan McGrath
- Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, Fargo, North Dakota
- Fargo Virginia Healthcare System, Fargo, North Dakota
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Erdogan C. Improvement of physical training by performance-enhancing substances. Acta Physiol (Oxf) 2020; 230:e13517. [PMID: 32491268 DOI: 10.1111/apha.13517] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Cem Erdogan
- Institute of Vegetative Physiology Charité – Universitätsmedizin Berlincorporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
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Loprinzi PD. IGF-1 in exercise-induced enhancement of episodic memory. Acta Physiol (Oxf) 2019; 226:e13154. [PMID: 29938915 DOI: 10.1111/apha.13154] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 06/19/2018] [Accepted: 06/20/2018] [Indexed: 12/14/2022]
Affiliation(s)
- P. D. Loprinzi
- Exercise Psychology Laboratory Physical Activity Epidemiology Laboratory Department of Health, Exercise Science and Recreation Management The University of Mississippi University Mississippi
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