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Prado CM, Batsis JA, Donini LM, Gonzalez MC, Siervo M. Sarcopenic obesity in older adults: a clinical overview. Nat Rev Endocrinol 2024; 20:261-277. [PMID: 38321142 DOI: 10.1038/s41574-023-00943-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/15/2023] [Indexed: 02/08/2024]
Abstract
Sarcopenic obesity is characterized by a concurrent decline in muscle mass and function, along with increased adipose tissue. Sarcopenic obesity is a growing concern in older adults owing to significant health consequences, including implications for mortality, comorbidities and risk of developing geriatric syndromes. A 2022 consensus statement established a new definition and diagnostic criteria for sarcopenic obesity. The pathophysiology of this condition involves a complex interplay between muscle, adipose tissue, hormonal changes, inflammation, oxidative stress and lifestyle factors, among others. Sarcopenic obesity is treated with a range of management approaches, such as lifestyle interventions, exercise, nutrition and medical therapies. Emerging therapies that were developed for treating other conditions may be relevant to sarcopenic obesity, including novel pharmacological agents and personalized approaches such as precision medicine. In this Review, we synthesize the current knowledge of the clinical importance of sarcopenic obesity, its assessment and diagnosis, along with current and emerging management strategies.
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Affiliation(s)
- Carla M Prado
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada.
| | - John A Batsis
- Division of Geriatric Medicine, School of Medicine, and Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Lorenzo M Donini
- Department of Experimental Medicine, Sapienza University, Rome, Italy
| | - M Cristina Gonzalez
- Postgraduate Program in Nutrition and Food, Pelotas, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Mario Siervo
- School of Population Health, Curtin University, Perth, Western Australia, Australia
- Curtin Dementia Centre of Excellence, enAble Institute, Curtin University, Perth, Western Australia, Australia
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Fujimoto T, Hyodo Y, Ishimura T, Tashiro Y, Endo T, Nisioka S, Yokoyama N, Yamamoto K, Yano I, Fujisawa M. Association of Alpha-Actinin-3 Polymorphism With Sarcopenia in Kidney Transplant Recipients. Transplant Proc 2023:S0041-1345(23)00150-1. [PMID: 37037724 DOI: 10.1016/j.transproceed.2023.03.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 03/13/2023] [Indexed: 04/12/2023]
Abstract
BACKGROUND Sarcopenia is defined as the loss of skeletal muscle mass and function and is associated with increased mortality. Certain genetic polymorphisms represent risk factors used to assess the incidence of sarcopenia; however, few studies have evaluated the association between genetic polymorphisms and sarcopenia after kidney transplantation (KTx). We examined single-nucleotide polymorphisms (SNPs) in the genes involved in sarcopenia after KTx. METHODS Sixty-five patients who underwent KTx were enrolled in this study. We used the psoas mass index (PMI; the cross-sectional area of the bilateral psoas muscle/height) as a surrogate marker for assessing the extent of sarcopenia. We determined the PMI before KTx and 1 year after KTx, and we identified 5 SNPs in 5 genes associated with sarcopenia in the general population. Finally, the link between the changes in PMI 1 year after KTx and each SNP was examined. RESULTS The median PMI before KTx and 1 year after KTx was 7.4 (4.6-13.2) and 7.0 (3.6-13.6), respectively. The PMI decreased in 43 patients (66.2%). The alpha-actinin-3 rs1815739 genotype was associated with changes in PMI; the distribution of CT+TT genotypes in the PMI decrease group was significantly higher than that of the CC genotype (odds ratio, 4.23; 95% CI 0.05-0.97; P = 0.025). Moreover, the T allele frequency was significantly higher in the PMI decrease group than in the PMI increase group (odds ratio, 2.34; 95% CI 0.18-0.950; P = 0.025). CONCLUSION The alpha-actinin-3 rs1815739 genotype may represent a genetic risk factor for sarcopenia after KTx.
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Affiliation(s)
- Takuya Fujimoto
- Division of Urology, Department of Surgery Related, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yoji Hyodo
- Division of Urology, Department of Surgery Related, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan.
| | - Takeshi Ishimura
- Division of Urology, Department of Surgery Related, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuki Tashiro
- Division of Urology, Department of Surgery Related, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takahito Endo
- Division of Urology, Department of Surgery Related, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shun Nisioka
- Division of Urology, Department of Surgery Related, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Naoki Yokoyama
- Division of Urology, Department of Surgery Related, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | | | - Ikuko Yano
- Department of Pharmacy, Kobe University Hospital, Kobe, Japan
| | - Masato Fujisawa
- Division of Urology, Department of Surgery Related, Faculty of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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Ibarra-Tapia IY, Juárez-Sandoval A, Pérez IT, Cano-Martínez LJ, Sánchez-García S, Ruiz-Batalla JM, Aroche-Reyes IA, García S, Canto P, Mejía DR, Coral-Vázquez RM. Association of polymorphisms rs2303729, rs10880, and rs1131620 of LTBP4 with sarcopenia in elderly patients with type 2 diabetes mellitus. Ann Hum Biol 2022; 49:311-316. [PMID: 36524797 DOI: 10.1080/03014460.2022.2152489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Latent TGFβ binding protein 4 (LTBP4) modifies skeletal muscle function, and polymorphisms in this gene have been associated with a longer ambulation time in patients with Duchenne muscular dystrophy. However, no studies associate these polymorphisms with an acquired muscle condition. AIM The study aims to determine whether three functional variants within the LTBP4 were associated with sarcopenia in patients with type 2 diabetes mellitus (T2DM). SUBJECTS AND METHODS We performed an analysis with 144 elderly individuals with T2DM, including 101 without sarcopenia and 43 with sarcopenia. Polymorphism frequency was determined by real-time PCR allelic discrimination TaqMan assay. RESULTS Under different genetic models, the univariant analysis did not show a significant association of any polymorphism with sarcopenia. But the multivariate model analysis showed that variant rs1131620 (OR 7.852, 95% CI 1.854-33.257, p = 0.005) was significantly associated with sarcopenia under a dominant model. Under the same analysis, the variants rs2303729 and rs10880 had a more discrete association (OR 3.537 95% CI 1.078-11.607, p = 0.037; OR 5.008, 95% CI 1.120-22.399, p = 0.035, respectively). CONCLUSIONS Our study highlights the importance of studying LTBP4 polymorphisms associated with sarcopenia. These findings suggest that the rs1131620 polymorphism of the LTBP4 may be part of the observed sarcopenia process in patients with T2DM.
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Affiliation(s)
- Ingrid Yali Ibarra-Tapia
- Subdirección de Enseñanza e Investigación, Centro Médico Nacional "20 de Noviembre", Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, México
| | - Ariadna Juárez-Sandoval
- Subdirección de Enseñanza e Investigación, Centro Médico Nacional "20 de Noviembre", Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, México
| | - Itzel Torres Pérez
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México, México
| | - Luis Javier Cano-Martínez
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México, México
| | - Sergio Sánchez-García
- Unidad de Investigación Epidemiológica y en Servicios de Salud, Área Envejecimiento. Instituto Mexicano del Seguro Social, Ciudad de México, México
| | | | | | - Silvia García
- Subdirección de Enseñanza e Investigación, Centro Médico Nacional "20 de Noviembre", Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, México
| | - Patricia Canto
- Unidad de Investigación en Obesidad, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - David-Rojano Mejía
- Unidad Médica de Alta Especialidad de Traumatología, Instituto Mexicano del Seguro Social, Ortopedia y Rehabilitación "Dr. Victorio de la Fuente Narváez", Ciudad de México, México
| | - Ramón Mauricio Coral-Vázquez
- Subdirección de Enseñanza e Investigación, Centro Médico Nacional "20 de Noviembre", Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, México.,Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México, México
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Kobayashi T, Seki S, Hwang I. Relationship of muscle power and bone mineral density with the α-actinin-3 R577X polymorphism in Japanese female athletes from different sport types: An observational study. Medicine (Baltimore) 2022; 101:e31685. [PMID: 36397442 PMCID: PMC9666200 DOI: 10.1097/md.0000000000031685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The aim of this study was to clarify the relationships between muscle power and bone mineral density (BMD) and the α-actinin-3 (ACTN3) R577X polymorphism in Japanese female collegiate athletes participating in sports with various mechanical-load characteristics. This study included 260 female collegiate athletes involved in 10 competitive sports and 26 controls (mean ages, 19.2 ± 1.2 and 19.7 ± 1.3 years, respectively). The sports were classified into 3 categories (low-impact, multidirectional, and high-impact) based on the exercise load characteristics. Data on sports participation and competition experience were obtained through a questionnaire-type survey. The maximum anaerobic power (MAnP) test was performed to measure muscle power. The total body BMD was measured using dual-energy X-ray absorptiometry. The ACTN3 R577X polymorphism (rs1815739) was analyzed using a TaqMan® assay. The multidirectional sports participants with the RR genotype of the ACTN3 R577X polymorphism had a higher BMD than those with the RX and RX + XX genotypes (P = .018 and P = .003, respectively). The RR genotype was also associated with a higher MAnP than those with the RX + XX genotypes (P = .035). No other variables related to BMD and MAnP were significantly different. Our results suggests that the RR genotype may confer high trainability for BMD and muscle power in Japanese female collegiate athletes participating in multidirectional sport types. However, these associations were not found in the athletes participating in the low- and high-impact sport types.
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Affiliation(s)
- Tetsuro Kobayashi
- Graduate School of Health and Sport Science, Nippon Sport Science University, Tokyo, Japan
- * Correspondence: Tetsuro Kobayashi, Graduate School of Health and Sport Science, Nippon Sport Science University, Tokyo 158-8508, Japan (e-mail: )
| | - Shotaro Seki
- Graduate School of Health and Sport Science, Nippon Sport Science University, Tokyo, Japan
| | - Inkwan Hwang
- Faculty of Sport Science, Nippon Sport Science University, Kanagawa, Japan
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Taniguchi Y, Makizako H, Nakai Y, Kiuchi Y, Akaida S, Tateishi M, Takenaka T, Kubozono T, Ohishi M. Associations of the Alpha-Actinin Three Genotype with Bone and Muscle Mass Loss among Middle-Aged and Older Adults. J Clin Med 2022; 11:jcm11206172. [PMID: 36294493 PMCID: PMC9605580 DOI: 10.3390/jcm11206172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/13/2022] [Accepted: 10/17/2022] [Indexed: 11/18/2022] Open
Abstract
Bone and muscle mass loss are known to occur simultaneously. The alpha-actinin three (ACTN3) genotype has been shown to potentially affect bone and muscle mass. In this study, we investigated the association between the ACTN3 genotype and bone and muscle mass loss in community-dwelling adults aged ≥ 60 years. This study was a cross-sectional analysis of data from 295 participants who participated in a community health checkup. The ACTN3 genotypes were classified as RR, RX, or XX types. Bone mass loss was defined as a calcaneal speed of sound T-score of <−1.32 and <−1.37, and muscle mass loss was defined as an appendicular skeletal muscle index of <7.0 kg/m2 and <5.7 kg/m2 in men and women, respectively. The percentages of XX, RX, and RR in the combined bone and muscle mass loss group were 33.8%, 30.8%, and 16.7%, respectively, with a significantly higher trend for XX. Multinomial logistic regression analysis showed that XX had an odds ratio of 3.00 (95% confidence interval 1.05−8.54) of being in the combined bone and muscle mass loss group compared to the RR group (covariates: age, sex, grip strength, and medications). The ACTN3 genotype of XX is associated with a higher rate of comorbid bone and muscle mass loss. Therefore, ACTN3 genotyping should be considered for preventing combined bone and muscle mass loss.
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Affiliation(s)
- Yoshiaki Taniguchi
- Graduate School of Health Sciences, Kagoshima University, Kagoshima 890-8544, Japan
- Department of Physical Therapy, Kagoshima Medical Professional College, Kagoshima 891-0133, Japan
| | - Hyuma Makizako
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima 890-8544, Japan
- Correspondence: ; Tel.: +81-99-275-5111
| | - Yuki Nakai
- Department of Mechanical Systems Engineering, Faculty of Engineering, Daiichi Institute of Technology, Kagoshima 899-4395, Japan
| | - Yuto Kiuchi
- Graduate School of Health Sciences, Kagoshima University, Kagoshima 890-8544, Japan
- Section for Health Promotion, Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan
| | - Shoma Akaida
- Graduate School of Health Sciences, Kagoshima University, Kagoshima 890-8544, Japan
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima 890-8544, Japan
| | - Mana Tateishi
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima 890-8544, Japan
| | - Toshihiko Takenaka
- Tarumizu Municipal Medical Center Tarumizu Chuo Hospital, Kagoshima 891-2124, Japan
| | - Takuro Kubozono
- Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan
| | - Mitsuru Ohishi
- Department of Cardiovascular Medicine and Hypertension, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan
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Henrique JS, Braga PLG, de Almeida SS, Nunes NSP, Benfato ID, Arida RM, de Oliveira CAM, Gomes da Silva S. Effect of the ACTN-3 gene polymorphism on functional fitness and executive function of elderly. Front Aging Neurosci 2022; 14:943934. [PMID: 36158545 PMCID: PMC9501855 DOI: 10.3389/fnagi.2022.943934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 07/25/2022] [Indexed: 11/13/2022] Open
Abstract
During aging, physical integrity and cognitive abilities, especially executive function, become compromised, directly influencing the quality of life of the elderly. One good strategy to ensure healthy aging is the practice of physical exercise. Activities to improve aerobic capacity and muscle strength are extremely important in old age. However, some genetic factors can interfere both positively and negatively with these gains. In this context, the polymorphism rs1815739 (R577X) of the α-actinin 3 gene (ACTN-3) is commonly studied and related to muscle phenotype. Thus, the present study aimed to investigate the effect of the ACTN-3 gene polymorphism on the functional fitness (measured by the Senior Fit test) and cognitive capacity (evaluated by the Stroop test) of the elderly (n = 347), both men and women. We did not find the effect of genotype on functional fitness, but we did observed a positive effect of the ACTN-3 gene polymorphism on executive function. The presence of the X allele of the ACTN3 gene in the elderly was related to a better performance in the Stroop test (shorter answer time). Our results showed that ACTN-3 gene polymorphism affects the executive function of the elderly but not their functional fitness.
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Affiliation(s)
| | - Pedro Luiz Garcia Braga
- Department of Psychogerontology, Instituto Educatie de Ensino e Pesquisa, Mogi das Cruzes, Brazil
| | - Sandro Soares de Almeida
- Hospital Israelita Albert Einstein, São Paulo, Brazil
- Department of Physical and Functional Performance, Universidade Ibirapuera, São Paulo, Brazil
| | | | - Izabelle Dias Benfato
- Department of Bioscience, Universidade Federal de São Paulo, Campus Baixada Santista, Santos, Brazil
| | - Ricardo Mario Arida
- Department of Physiology, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Sérgio Gomes da Silva
- Department of Research and Extension, Fundação Cristiano Varella, Muriaé, Brazil
- Centro Universitário FAMINAS, Muriaé, Brazil
- *Correspondence: Sérgio Gomes da Silva ;
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Polygenic Models Partially Predict Muscle Size and Strength but Not Low Muscle Mass in Older Women. Genes (Basel) 2022; 13:genes13060982. [PMID: 35741744 PMCID: PMC9223182 DOI: 10.3390/genes13060982] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/17/2022] [Accepted: 05/21/2022] [Indexed: 01/01/2023] Open
Abstract
Background: Heritability explains 45-82% of muscle mass and strength variation, yet polygenic models for muscle phenotypes in older women are scarce. Therefore, the objective of the present study was to (1) assess if total genotype predisposition score (GPSTOTAL) for a set of polymorphisms differed between older women with low and high muscle mass, and (2) utilise a data-driven GPS (GPSDD) to predict the variance in muscle size and strength-related phenotypes. Methods: In three-hundred 60- to 91-year-old Caucasian women (70.7 ± 5.7 years), skeletal muscle mass, biceps brachii thickness, vastus lateralis anatomical cross-sectional area (VLACSA), hand grip strength (HGS), and elbow flexion (MVCEF) and knee extension (MVCKE) maximum voluntary contraction were measured. Participants were classified as having low muscle mass if the skeletal muscle index (SMI) < 6.76 kg/m2 or relative skeletal muscle mass (%SMMr) < 22.1%. Genotyping was completed for 24 single-nucleotide polymorphisms (SNPs). GPSTOTAL was calculated from 23 SNPs and compared between the low and high muscle mass groups. A GPSDD was performed to identify the association of SNPs with other skeletal muscle phenotypes. Results: There was no significant difference in GPSTOTAL between low and high muscle mass groups, irrespective of classification based on SMI or %SMMr. The GPSDD model, using 23 selected SNPs, revealed that 13 SNPs were associated with at least one skeletal muscle phenotype: HIF1A rs11549465 was associated with four phenotypes and, in descending number of phenotype associations, ACE rs4341 with three; PTK2 rs7460 and CNTFR rs2070802 with two; and MTHFR rs17421511, ACVR1B rs10783485, CNTF rs1800169, MTHFR rs1801131, MTHFR rs1537516, TRHR rs7832552, MSTN rs1805086, COL1A1 rs1800012, and FTO rs9939609 with one phenotype. The GPSDD with age included as a predictor variable explained 1.7% variance of biceps brachii thickness, 12.5% of VLACSA, 19.0% of HGS, 8.2% of MVCEF, and 9.6% of MVCKE. Conclusions: In older women, GPSTOTAL did not differ between low and high muscle mass groups. However, GPSDD was associated with muscle size and strength phenotypes. Further advancement of polygenic models to understand skeletal muscle function during ageing might become useful in targeting interventions towards older adults most likely to lose physical independence.
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Kahraman M, Ozulu Turkmen B, Bahat-Ozturk G, Catikkas NM, Oren MM, Sahin A, Daglar A, Ozturk S, Palanduz S, Diler AS, Karan MA. Is there a relationship between ACTN3 R577X gene polymorphism and sarcopenia? Aging Clin Exp Res 2022; 34:757-765. [PMID: 34677800 DOI: 10.1007/s40520-021-01996-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/30/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND AND AIMS The alpha-actinin (ACTN) genes are important structural components of the sarcomere. Sarcopenia is a common geriatric syndrome characterized by morbidity and mortality. Our study aimed to examine the relationship between the ACTN3 R577X gene and sarcopenia in community-dwelling Turkish adults. METHODS We designed a cross-sectional study among the patients aged ≥ 65 years admitted to the geriatric outpatient clinic. We recorded the general characteristics of the patients. We used the Jamar hand dynamometer to evaluate handgrip strength. Body composition was estimated using bioimpedance analysis. Sarcopenia was diagnosed according to the European Working Group on Sarcopenia in Older People2 criteria with population-specific cutoffs. We performed analyses of low muscle mass (LMM) with skeletal muscle mass index adjusted for body mass index [SMMI(BMI)]. We further categorized the SMMI(BMI) cutoffs into tenths. The analyzes were performed according to the 90th percentile SMMI(BMI) cutoffs. Peripheral blood samples were collected to determine the ACTN3 genotypes. RESULTS 197 participants were included [mean age: 76.3 ± 6.1 years, 151 (76.6%) women]. The proportions of the ACTN3 genotypes were as follows: RX (45.1%) > RR (31%) > XX (23.9%). The significant difference between genotypes was found only for low SMMI(BMI) according to the 90th percentile (p = 0.025). In multivariate analysis, only gender (female) was independently associated with LMM. CONCLUSION We did not find any association between ACTN3 R577X gene polymorphism and probable sarcopenia, confirmed sarcopenia and LMM. Besides, much more research is needed to reveal how ethnicity affects the muscles of older adults with ACTN3 R577X gene polymorphism.
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Affiliation(s)
- Mustafa Kahraman
- Department of Physiology, Istanbul Faculty of Medicine, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No: 118, Fatih, 34093, İstanbul, Turkey.
| | - Banu Ozulu Turkmen
- Division of Geriatrics, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No:118, Fatih, 34093, İstanbul, Turkey
| | - Gulistan Bahat-Ozturk
- Division of Geriatrics, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No:118, Fatih, 34093, İstanbul, Turkey
| | - Nezahat Muge Catikkas
- Division of Geriatrics, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No:118, Fatih, 34093, İstanbul, Turkey
| | - Meryem Merve Oren
- Department of Public Health, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No:118, Fatih, 34093, İstanbul, Turkey
| | - Ayla Sahin
- Division of Medical Genetic, Department of Internal Medicine, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No:118, Fatih, 34093, İstanbul, Turkey
| | - Aynur Daglar
- Division of Medical Genetic, Department of Internal Medicine, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No:118, Fatih, 34093, İstanbul, Turkey
| | - Sukru Ozturk
- Division of Medical Genetic, Department of Internal Medicine, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No:118, Fatih, 34093, İstanbul, Turkey
| | - Sukru Palanduz
- Division of Medical Genetic, Department of Internal Medicine, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No:118, Fatih, 34093, İstanbul, Turkey
| | - Ali Sarper Diler
- Department of Physiology, Istanbul Faculty of Medicine, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No: 118, Fatih, 34093, İstanbul, Turkey
| | - Mehmet Akif Karan
- Division of Geriatrics, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University School of Medicine, Topkapı Mahallesi, Turgut Özal Caddesi̇ No:118, Fatih, 34093, İstanbul, Turkey
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Sarcopenia, Obesity, and Sarcopenic Obesity: Relationship with Skeletal Muscle Phenotypes and Single Nucleotide Polymorphisms. J Clin Med 2021; 10:jcm10214933. [PMID: 34768452 PMCID: PMC8584842 DOI: 10.3390/jcm10214933] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/08/2021] [Accepted: 10/19/2021] [Indexed: 02/06/2023] Open
Abstract
Obesity may aggravate the effects of sarcopenia on skeletal muscle structure and function in the elderly, but no study has attempted to identify the gene variants associated with sarcopenia in obese women. Therefore, the aims of the present study were to: (1) describe neuromuscular function in sarcopenic and non-sarcopenic women with or without obesity; (2) identify gene variants associated with sarcopenia in older obese women. In 307 Caucasian women (71 ± 6 years, 66.3 ± 11.3 kg), skeletal muscle mass was estimated using bioelectric impedance, and function was tested with a 30 s one-leg standing-balance test. Biceps brachii thickness and vastus lateralis cross-sectional area (VLACSA) were measured with B-mode ultrasonography. Handgrip strength, maximum voluntary contraction elbow flexion (MVCEF), and knee extension torque (MVCKE) were measured by dynamometry, and MVCKE/VLACSA was calculated. Genotyping was performed for 24 single-nucleotide polymorphisms (SNPs), selected based on their previous associations with muscle-related phenotypes. Based on sarcopenia and obesity thresholds, groups were classified as sarcopenic obese, non-sarcopenic obese, sarcopenic non-obese, or non-sarcopenic non-obese. A two-way analysis of covariance was used to assess the main effects of sarcopenia and obesity on muscle-related phenotypes and binary logistic regression was performed for each SNP to investigate associations with sarcopenia in obesity. There were no significant obesity * sarcopenic status interactions for any of the investigated muscle-related phenotypic parameters. Neither sarcopenia nor obesity had a significant effect on biceps brachii thickness, but sarcopenia was associated with lower VLACSA (p = 0.003). Obesity was associated with lower MVCEF (p = 0.032), MVCKE (p = 0.047), and MVCKE/VLACSA (p = 0.012) with no significant effect of sarcopenia. Adjusted for age and height, three SNPs (ACTN3 rs1815739, MTHFR rs1801131, and MTHFR rs1537516) were associated with sarcopenia in obese participants. Sarcopenia was associated with a smaller muscle size, while obesity resulted in a lower muscle quality irrespective of sarcopenia. Three gene variants (ACTN3 rs1815739, MTHFR rs1801131, and MTHFR rs1537516) suspected to affect muscle function, homocysteine metabolism, or DNA methylation, respectively, were associated with sarcopenia in obese elderly women. Understanding the skeletal muscle features affected by sarcopenia and obesity, and identification of genes related to sarcopenia in obese women, may facilitate early detection of individuals at particular risk of sarcopenic obesity.
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10
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Pimenta I, Mateus H, Rodrigues-Manica S, Pinheiro-Torres R, Neto A, Domingues L, Lage Crespo C, Sardoo A, Machado P, Branco JC, Silva SN, Pimentel-Santos FM. The Effect of ACTN3 and VDR Polymorphisms on Skeletal Muscle Performance in Axial Spondyloarthropathies. Front Genet 2021; 12:688984. [PMID: 34456969 PMCID: PMC8385750 DOI: 10.3389/fgene.2021.688984] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 07/12/2021] [Indexed: 12/17/2022] Open
Abstract
Background Spondyloarthritis (SpA) are the most common group of chronic inflammatory rheumatic diseases affecting about 1.5% of the adult Caucasian population. Low back pain is the most common symptom. The aetiopathogenesis of SpA is multifactorial, with well-known genetic and environmental contributions. Furthermore, muscle properties might also be involved in the pathophysiological process and these could be modulated by the genetic background. Alpha-actinin-3 (ACTN3) and Vitamin D receptor (VDR) genes are well-known genes related with muscle performance. Our aim was to analyze four SNPs of these genes and to evaluate their influence in axial SpA (axSpA) susceptibility, phenotype and muscle properties. Methods We performed a pilot study based on case-control approach involving 56 participants: 28 axSpA patients and 28 healthy controls matched by age, gender and levels of physical activity. Clinical, epidemiological and muscle characterization data—muscle physical properties (stiffness, tone, and elasticity), strength, mass, and performance, were collected. Two different muscles were considered for analysis, the Multifidus and Gastrocnemius. Four SNPs of ACTN3 (rs1815739) and VDR (rs2228570, rs731236, and rs7975232), were selected, analyzed and correlated with clinical, epidemiological and muscle characterization data. Results In total, 51 individuals (27 axSpA patients and 24 matched controls) were eligible for further genetic analysis, 66.7% being male and with a mean age of 36 years. Muscle physical properties, muscle strength and muscle mass were similar in both groups; however, axSpA patients showed a decrease in muscle performance. None of the studied SNPs were associated with disease susceptibility/phenotype, muscle physical properties, muscle strength or muscle mass. However, ACTN3 rs1815739 and VDR rs2228570 were shown to be associated with muscle performance. Conclusion Our results suggest an association between ACTN3 and VDR polymorphisms and muscle performance in axSpA.
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Affiliation(s)
- Isabel Pimenta
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal.,Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
| | - Hugo Mateus
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal.,Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Lisboa, Portugal
| | - Santiago Rodrigues-Manica
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal.,Centro Hospitalar de Lisboa Ocidental, Hospital de Egas Moniz, Serviço de Reumatologia, Lisboa, Portugal
| | - Rita Pinheiro-Torres
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal.,Centro Hospitalar de Lisboa Ocidental, Hospital de Egas Moniz, Serviço de Reumatologia, Lisboa, Portugal
| | - Agna Neto
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal.,Centro Hospitalar de Lisboa Ocidental, Hospital de Egas Moniz, Serviço de Reumatologia, Lisboa, Portugal
| | - Lúcia Domingues
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal.,Instituto Politécnico de Setúbal, Escola Superior de Saúde, Setúbal, Portugal
| | - Carolina Lage Crespo
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal
| | - Atlas Sardoo
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal.,Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Lisboa, Portugal
| | - Pedro Machado
- Centre for Rheumatology and Department of Neuromuscular Diseases, University College London, London, United Kingdom
| | - Jaime C Branco
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal.,Centro Hospitalar de Lisboa Ocidental, Hospital de Egas Moniz, Serviço de Reumatologia, Lisboa, Portugal
| | - Susana N Silva
- Center for Toxicogenomics and Human Health (ToxOmics), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal
| | - Fernando M Pimentel-Santos
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa, Lisboa, Portugal.,Centro Hospitalar de Lisboa Ocidental, Hospital de Egas Moniz, Serviço de Reumatologia, Lisboa, Portugal
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11
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ACTN3 Genotypes and Their Relationship with Muscle Mass and Function of Kosovan Adults. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18179135. [PMID: 34501725 PMCID: PMC8431689 DOI: 10.3390/ijerph18179135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/21/2021] [Accepted: 08/27/2021] [Indexed: 12/21/2022]
Abstract
Maintaining muscle mass and function is important throughout the lifestyle. While environmental factors such as physical activity and healthy nutrition are well investigated, the contribution of genetic factors is still controversial. Therefore, we aimed to investigate the impact of a common ACTN3 polymorphism (rs1815739) on body composition, handgrip strength, knee extensor peak torque, and physical performance (gait speed, 30-s arm curl, 30-s chair stand) in Kosovan adults. In total, 308 participants (160 females and 148 males, age range from 40 to 91 years) took part in this cross-sectional study. Genomic DNA was extracted from saliva and assessed for ACTN3 genotype distribution (41.5% of RR, 53.9% of RX and 4.6% of XX). Genotype allocation did not account for differences in any of the variables. Interestingly, female XX carriers were taller (p = 0.025) and had a higher isokinetic knee extension peak torque (p = 0.024) than the RX+RR group. In males, XX carriers were also taller (p = 0.049) and had a lower BMI (p = 0.026), but did not differ in any of the strength and performance parameters. These results indicate that the ACTN3 R577X polymorphism might exert a sex-specific impact on knee extensor peak torque and BMI.
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12
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Seto JT, Roeszler KN, Meehan LR, Wood HD, Tiong C, Bek L, Lee SF, Shah M, Quinlan KGR, Gregorevic P, Houweling PJ, North KN. ACTN3 genotype influences skeletal muscle mass regulation and response to dexamethasone. SCIENCE ADVANCES 2021; 7:eabg0088. [PMID: 34215586 PMCID: PMC11060041 DOI: 10.1126/sciadv.abg0088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 05/19/2021] [Indexed: 06/13/2023]
Abstract
Homozygosity for the common ACTN3 null polymorphism (ACTN3 577X) results in α-actinin-3 deficiency in ~20% of humans worldwide and is linked to reduced sprint and power performance in both elite athletes and the general population. α-Actinin-3 deficiency is also associated with reduced muscle mass, increased risk of sarcopenia, and altered muscle wasting response induced by denervation and immobilization. Here, we show that α-actinin-3 plays a key role in the regulation of protein synthesis and breakdown signaling in skeletal muscle and influences muscle mass from early postnatal development. We also show that α-actinin-3 deficiency reduces the atrophic and anti-inflammatory response to the glucocorticoid dexamethasone in muscle and protects against dexamethasone-induced muscle wasting in female but not male mice. The effects of α-actinin-3 deficiency on muscle mass regulation and response to muscle wasting provide an additional mechanistic explanation for the positive selection of the ACTN3 577X allele in recent human history.
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Affiliation(s)
- Jane T Seto
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
- Department of Paediatrics, University of Melbourne, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Kelly N Roeszler
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
- Department of Paediatrics, University of Melbourne, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Lyra R Meehan
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Harrison D Wood
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Chrystal Tiong
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Lucinda Bek
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
- Department of Paediatrics, University of Melbourne, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Siaw F Lee
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Manan Shah
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Kate G R Quinlan
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Paul Gregorevic
- Centre for Muscle Research, Department of Physiology, University of Melbourne, Melbourne, VIC, Australia
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia
- Department of Neurology, University of Washington, Seattle, WA, USA
| | - Peter J Houweling
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia
- Department of Paediatrics, University of Melbourne, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Kathryn N North
- Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, VIC, Australia.
- Department of Paediatrics, University of Melbourne, The Royal Children's Hospital, Melbourne, VIC, Australia
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13
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Urzi F, Pokorny B, Buzan E. Pilot Study on Genetic Associations With Age-Related Sarcopenia. Front Genet 2021; 11:615238. [PMID: 33505434 PMCID: PMC7831746 DOI: 10.3389/fgene.2020.615238] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 12/14/2020] [Indexed: 01/19/2023] Open
Abstract
Despite strong evidence of an inheritable component of muscle phenotypes, little progress has been made in identifying the specific genetic factors involved in the development of sarcopenia. Even rarer are studies that focus on predicting the risk of sarcopenia based on a genetic risk score. In the present study, we tested the single and combined effect of seven candidate gene variants on the risk of sarcopenia. Single nucleotide polymorphisms in candidate genes were genotyped using the KASP assay. We examined 190 older adults that were classified as non-sarcopenic or sarcopenic according to the diagnostic criteria of the European Working Group on Sarcopenia in Older People. Sarcopenia was associated with Methylenetetrahydrofolate reductase, Alpha-actinin-3, and Nuclear respiratory factor 2 genotypes. The combined effect of all three polymorphisms explained 39% of the interindividual variation in sarcopenia risk. Our results suggest that the single and combined effect of Methylenetetrahydrofolate reductase, Alpha-actinin-3, and Nuclear respiratory factor 2 polymorphism is associated with sarcopenia risk in older adults. Nowadays, as the population is getting older and older, great efforts are being made to research the etiology, diagnosis and treatment of sarcopenia. At the same time, small progress has been made in understanding the genetic etiology of sarcopenia. Given the importance of research on this disease, further genetic studies are needed to better understand the genetic risk underlying sarcopenia. We believe that this small-scale study will help to demonstrate that there is still much to be discovered in this field.
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Affiliation(s)
- Felicita Urzi
- Faculty of Mathematics, Natural Sciences and Information Technologies, University of Primorska, Koper, Slovenia
| | - Boštjan Pokorny
- Faculty of Mathematics, Natural Sciences and Information Technologies, University of Primorska, Koper, Slovenia.,Environmental Protection College, Velenje, Slovenia
| | - Elena Buzan
- Faculty of Mathematics, Natural Sciences and Information Technologies, University of Primorska, Koper, Slovenia.,Environmental Protection College, Velenje, Slovenia
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14
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Khanal P, He L, Herbert AJ, Stebbings GK, Onambele-Pearson GL, Degens H, Morse CI, Thomis M, Williams AG. The Association of Multiple Gene Variants with Ageing Skeletal Muscle Phenotypes in Elderly Women. Genes (Basel) 2020; 11:genes11121459. [PMID: 33291384 PMCID: PMC7762041 DOI: 10.3390/genes11121459] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 11/24/2020] [Accepted: 12/03/2020] [Indexed: 12/20/2022] Open
Abstract
There is a scarcity of studies that have investigated the role of multiple single nucleotide polymorphisms (SNPs) on a range of muscle phenotypes in an elderly population. The present study investigated the possible association of 24 SNPs with skeletal muscle phenotypes in 307 elderly Caucasian women (aged 60–91 years, 66.3 ± 11.3 kg). Skeletal muscle phenotypes included biceps brachii thickness, vastus lateralis cross-sectional areas, maximal hand grip strength, isometric knee extension and elbow flexion torque. Genotyping for 24 SNPs, chosen on their skeletal muscle structural or functional links, was conducted on DNA extracted from blood or saliva. Of the 24 SNPs, 10 were associated with at least one skeletal muscle phenotype. HIF1A rs11549465 was associated with three skeletal muscle phenotypes and PTK2 rs7460 and ACVR1B rs10783485 were each associated with two phenotypes. PTK2 rs7843014, COL1A1 rs1800012, CNTF rs1800169, NOS3 rs1799983, MSTN rs1805086, TRHR rs7832552 and FTO rs9939609 were each associated with one. Elderly women possessing favourable genotypes were 3.6–13.2% stronger and had 4.6–14.7% larger muscle than those with less favourable genotypes. These associations, together with future work involving a broader range of SNPs, may help identify individuals at particular risk of an age-associated loss of independence.
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Affiliation(s)
- Praval Khanal
- Musculoskeletal Science and Sports Medicine Research Centre, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester M15 6BH, UK; (L.H.); (G.K.S.); (G.L.O.-P.); (C.I.M.); (A.G.W.)
- Department of Movement Sciences, Physical Activity, Sports & Health Research Group, KU Leuven, 3001 Leuven, Belgium;
- Correspondence: ; Tel.: +977-9841528705
| | - Lingxiao He
- Musculoskeletal Science and Sports Medicine Research Centre, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester M15 6BH, UK; (L.H.); (G.K.S.); (G.L.O.-P.); (C.I.M.); (A.G.W.)
- Department of Movement Sciences, Physical Activity, Sports & Health Research Group, KU Leuven, 3001 Leuven, Belgium;
| | - Adam J. Herbert
- Department of Sport and Exercise, Birmingham City University, Birmingham B5 5JU, UK;
| | - Georgina K. Stebbings
- Musculoskeletal Science and Sports Medicine Research Centre, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester M15 6BH, UK; (L.H.); (G.K.S.); (G.L.O.-P.); (C.I.M.); (A.G.W.)
| | - Gladys L. Onambele-Pearson
- Musculoskeletal Science and Sports Medicine Research Centre, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester M15 6BH, UK; (L.H.); (G.K.S.); (G.L.O.-P.); (C.I.M.); (A.G.W.)
| | - Hans Degens
- Department of Life Sciences, Manchester Metropolitan University, Manchester M15 6BH, UK;
- Institute of Sport Science and Innovations, Lithuanian Sports University, LT-44221 Kaunsas, Lithuania
- Pharmacy of Targu Mures, University of Medicine, 540142 Targu Mures, Romania
| | - Christopher I. Morse
- Musculoskeletal Science and Sports Medicine Research Centre, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester M15 6BH, UK; (L.H.); (G.K.S.); (G.L.O.-P.); (C.I.M.); (A.G.W.)
| | - Martine Thomis
- Department of Movement Sciences, Physical Activity, Sports & Health Research Group, KU Leuven, 3001 Leuven, Belgium;
| | - Alun G. Williams
- Musculoskeletal Science and Sports Medicine Research Centre, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester M15 6BH, UK; (L.H.); (G.K.S.); (G.L.O.-P.); (C.I.M.); (A.G.W.)
- Institute of Sport, Exercise and Health, University College London, London W1T 7HA, UK
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15
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Romero-Blanco C, Artiga González MJ, Gómez-Cabello A, Vila-Maldonado S, Casajús JA, Ara I, Aznar S. ACTN3 R577X polymorphism related to sarcopenia and physical fitness in active older women. Climacteric 2020; 24:89-94. [PMID: 32602369 DOI: 10.1080/13697137.2020.1776248] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND As the population is getting older, physical activity promotion becomes a good strategy to increase quality of life in the elderly; but genetic condition also plays an important role. The purpose of this study was to examine the association of the ACTN3 R577X polymorphism with physical fitness and muscle mass in physically active older women. METHODS A cross-sectional study was performed with two groups of older women who practiced physical exercise regularly. The first cohort comprised 164 women (age 69.7 ± 3.2 years) and the second cohort 131 women (age 78.5 ± 3.0 years). The main outcome measures were anthropometric measures with assessment of sarcopenia and sarcopenic obesity, self-reported physical activity EXERNET questionnaire (EEPAQ), evaluation of physical fitness (muscle strength and flexibility test), and ACTN3 genotyping. RESULTS Women above 75 years old with allele R presented a higher risk of experiencing sarcopenia compared to ACTNR XX homozygous women (odds ratio 0.356, 95% confidence interval 0.139-0.915, p = 0.026). Furthermore, statistically significant differences were found in the chair stand test (p = 0.04), as well as in the sit and reach test (p = 0.01), with better results for women below 75 years old with the ACTN3 XX genotype. CONCLUSIONS Sarcopenia and physical fitness show differences based on the ACTN3 R577X genotype in active older women.
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Affiliation(s)
- C Romero-Blanco
- PAFS Research Group (Physical Activity and Health Promotion Research Group), Universidad de Castilla-La Mancha, Toledo, Spain.,CIBERFES Research Group (Centro de Investigación Biomédica en Red. Fragilidad y Envejecimiento Saludable), Madrid, Spain
| | | | - A Gómez-Cabello
- GENUD Research Group (Growth, Exercise, Nutrition and Development Research Group), University of Zaragoza, Zaragoza, Spain
| | - S Vila-Maldonado
- GENUD Toledo Research Group (Growth, Exercise, Nutrition and Development Research Group), Universidad de Castilla-La Mancha, Toledo, Spain
| | - J A Casajús
- GENUD Research Group (Growth, Exercise, Nutrition and Development Research Group), University of Zaragoza, Zaragoza, Spain
| | - I Ara
- CIBERFES Research Group (Centro de Investigación Biomédica en Red. Fragilidad y Envejecimiento Saludable), Madrid, Spain.,GENUD Toledo Research Group (Growth, Exercise, Nutrition and Development Research Group), Universidad de Castilla-La Mancha, Toledo, Spain
| | - S Aznar
- PAFS Research Group (Physical Activity and Health Promotion Research Group), Universidad de Castilla-La Mancha, Toledo, Spain.,CIBERFES Research Group (Centro de Investigación Biomédica en Red. Fragilidad y Envejecimiento Saludable), Madrid, Spain
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16
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Prevalence and association of single nucleotide polymorphisms with sarcopenia in older women depends on definition. Sci Rep 2020; 10:2913. [PMID: 32076017 PMCID: PMC7031370 DOI: 10.1038/s41598-020-59722-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 01/27/2020] [Indexed: 12/29/2022] Open
Abstract
The prevalence of sarcopenia depends on the definition used. There are, however, consistent sarcopenic characteristics, including a low muscle mass and muscle strength. Few studies have investigated the relationship between sarcopenia and genotype. A cross-sectional study was conducted with 307 community-dwelling ≥60-year-old women in South Cheshire, UK. Handgrip strength was assessed with a handgrip dynamometer and skeletal muscle mass was estimated using bioelectrical impedance. DNA was extracted from saliva (∼38%) or blood (∼62%) and 24 single-nucleotide polymorphisms (SNPs) were genotyped. Three established sarcopenia definitions - %Skeletal Muscle Mass (%SMM), Skeletal Muscle Mass Index (SMI) and European Working Group on Sarcopenia in Older People (EWGSOP) - were used to assess sarcopenia prevalence. Binary logistic regression with age as covariate was used to identify SNPs associated with sarcopenia. The prevalence of sarcopenia was: %SMM 14.7%, SMI 60.6% and EWGSOP 1.3%. Four SNPs were associated with the %SMM and SMI definitions of sarcopenia; FTO rs9939609, ESR1 rs4870044, NOS3 rs1799983 and TRHR rs7832552. The first three were associated with the %SMM definition, and TRHR rs7832552 with the SMI definition, but none were common to both sarcopenia definitions. The gene variants associated with sarcopenia may help proper counselling and interventions to prevent individuals from developing sarcopenia.
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17
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Goleva-Fjellet S, Bjurholt AM, Kure EH, Larsen IK, Støren Ø, Sæbø M. Distribution of allele frequencies for genes associated with physical activity and/or physical capacity in a homogenous Norwegian cohort- a cross-sectional study. BMC Genet 2020; 21:8. [PMID: 31973699 PMCID: PMC6979285 DOI: 10.1186/s12863-020-0813-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 01/16/2020] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND There are large individual differences in physical activity (PA) behavior as well as trainability of physical capacity. Heritability studies have shown that genes may have as much impact on exercise participation behavior as environmental factors. Genes that favor both trainability and participation may increase the levels of PA. The present study aimed to assess the allele frequencies in genes associated with PA and/or physical capacity, and to see if there is any association between these polymorphisms and self-reported PA levels in a cohort of middle-aged Norwegians of Scandinavian descent (n = 831; mean age mean age (± SD) 55.5 ± 3.8 years). RESULTS The genotype distributions of the ACTN3 R577X, ACE I/D and MAOA uVNTR polymorphisms were similar to other populations of European descent. When comparing the genotype distribution between the low/medium level PA group (LMPA) and high level PA groups (HPA), a significant difference in ACTN3 577X allele distribution was found. The X allele frequency was 10% lower in the HPA level group (P = 0.006). There were no differences in the genotype distribution of the ACE I/D or MAOA uVNTR polymorphism. Education and previous participation in sports or outdoor activities was positively associated with the self-reported PA levels (P ≤ 0.001). CONCLUSIONS To the best of our knowledge, this is the first study to report association between ACTN3 R577X genotype and PA level in middle-aged Scandinavians. Nevertheless, the contribution of a single polymorphism to a complex trait, like PA level, is likely small. Socioeconomic variables, as education and previous participation in sports or outdoor activities, are positively associated with the self-reported PA levels.
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Affiliation(s)
- Sannija Goleva-Fjellet
- Department of Natural Sciences and Environmental Health, University of South-Eastern Norway, Gullbringvegen 36, 3800, Bø i, Telemark, Norway.
| | - Anne Mari Bjurholt
- Department of Sports, Physical Education and Outdoor Studies, University of South-Eastern Norway, Gullbringvegen 36, 3800, Bø i, Telemark, Norway
| | - Elin H Kure
- Department of Natural Sciences and Environmental Health, University of South-Eastern Norway, Gullbringvegen 36, 3800, Bø i, Telemark, Norway.,Department of Cancer Genetics, Institute for Cancer Research, Oslo University Hospital-The Norwegian Radium Hospital, Oslo, Norway
| | | | - Øyvind Støren
- Department of Sports, Physical Education and Outdoor Studies, University of South-Eastern Norway, Gullbringvegen 36, 3800, Bø i, Telemark, Norway
| | - Mona Sæbø
- Department of Natural Sciences and Environmental Health, University of South-Eastern Norway, Gullbringvegen 36, 3800, Bø i, Telemark, Norway
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18
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Pratt J, Boreham C, Ennis S, Ryan AW, De Vito G. Genetic Associations with Aging Muscle: A Systematic Review. Cells 2019; 9:E12. [PMID: 31861518 PMCID: PMC7016601 DOI: 10.3390/cells9010012] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 12/17/2019] [Accepted: 12/18/2019] [Indexed: 12/24/2022] Open
Abstract
The age-related decline in skeletal muscle mass, strength and function known as 'sarcopenia' is associated with multiple adverse health outcomes, including cardiovascular disease, stroke, functional disability and mortality. While skeletal muscle properties are known to be highly heritable, evidence regarding the specific genes underpinning this heritability is currently inconclusive. This review aimed to identify genetic variants known to be associated with muscle phenotypes relevant to sarcopenia. PubMed, Embase and Web of Science were systematically searched (from January 2004 to March 2019) using pre-defined search terms such as "aging", "sarcopenia", "skeletal muscle", "muscle strength" and "genetic association". Candidate gene association studies and genome wide association studies that examined the genetic association with muscle phenotypes in non-institutionalised adults aged ≥50 years were included. Fifty-four studies were included in the final analysis. Twenty-six genes and 88 DNA polymorphisms were analysed across the 54 studies. The ACTN3, ACE and VDR genes were the most frequently studied, although the IGF1/IGFBP3, TNFα, APOE, CNTF/R and UCP2/3 genes were also shown to be significantly associated with muscle phenotypes in two or more studies. Ten DNA polymorphisms (rs154410, rs2228570, rs1800169, rs3093059, rs1800629, rs1815739, rs1799752, rs7412, rs429358 and 192 bp allele) were significantly associated with muscle phenotypes in two or more studies. Through the identification of key gene variants, this review furthers the elucidation of genetic associations with muscle phenotypes associated with sarcopenia.
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Affiliation(s)
- Jedd Pratt
- Institute for Sport and Health, University College Dublin, Dublin, Ireland; (C.B.); (G.D.V.)
- Genomics Medicine Ireland, Dublin, Ireland; (S.E.); (A.W.R.)
| | - Colin Boreham
- Institute for Sport and Health, University College Dublin, Dublin, Ireland; (C.B.); (G.D.V.)
| | - Sean Ennis
- Genomics Medicine Ireland, Dublin, Ireland; (S.E.); (A.W.R.)
- UCD ACoRD, Academic Centre on Rare Diseases, University College Dublin, Dublin, Ireland
| | - Anthony W. Ryan
- Genomics Medicine Ireland, Dublin, Ireland; (S.E.); (A.W.R.)
| | - Giuseppe De Vito
- Institute for Sport and Health, University College Dublin, Dublin, Ireland; (C.B.); (G.D.V.)
- Department of Biomedical Sciences, University of Padova, Via F. Marzolo 3, 35131 Padova, Italy
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19
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Yoo JI, Ha YC. Review of Epidemiology, Diagnosis, and Treatment of Osteosarcopenia in Korea. J Bone Metab 2018; 25:1-7. [PMID: 29564300 PMCID: PMC5854818 DOI: 10.11005/jbm.2018.25.1.1] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 02/12/2018] [Accepted: 02/13/2018] [Indexed: 12/16/2022] Open
Abstract
Sarcopenia was listed in the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) as M62.84, on October 1, 2016. Sarcopenia is primarily associated with metabolic diseases, such as diabetes, obesity, and cachexia, as well as chronic renal failure, congestive heart failure, and chronic obstructive pulmonary disease. Sarcopenia is also significantly associated with osteoporosis in elderly populations and the combined disease is defined as osteosarcopenia. Several studies have confirmed that sarcopenia and osteoporosis (osteosarcopenia) share common risk factors and biological pathways. Osteosarcopenia is associated with significant physical disability, representing a significant threat to the loss of independence in later life. However, the pathophysiology and diagnosis of osteosarcopenia are not fully defined. Additionally, pharmacologic and hormonal treatments for sarcopenia are undergoing clinical trials. This review summarizes the epidemiology, pathophysiology, diagnosis, and treatment of osteosarcopenia, and includes Korean data.
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Affiliation(s)
- Jun-Il Yoo
- Department of Orthopaedic Surgery, Gyeongsang National University Hospital, Jinju, Korea
| | - Yong-Chan Ha
- Department of Orthopaedic Surgery, Chung-Ang University College of Medicine, Seoul, Korea
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Abstract
As human longevity increases, recent research has focused on the maintenance of optimal health during old age. One such area of focus is that of muscle function in the elderly, with a loss of muscle mass increasing the risk of negative outcomes such as sarcopenia and a decrease in bone mineral density. In this mini-review, we focus on the impact of a single nucleotide polymorphism in ACTN3, shown to impact muscle phenotype in elite athletes, on loss of muscle function, maintenance of bone mineral density, and metabolic disorder risk in an elderly population. From the surveyed research, this polymorphism has a clear and demonstrable impact on muscle phenotype and bone mineral density in this population, and acts as a potential modulator for metabolic disorders. As such, knowledge of an individual's ACTN3 genotype may better inform the management of risk factors in the elderly, as well as driving innovations in exercise program design. Subsequently, such insights may contribute to the prolonged maintenance of health and function long into old age.
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Affiliation(s)
- Craig Pickering
- Institute of Coaching and Performance, School of Sport and Wellbeing, University of Central Lancashire, Preston, United Kingdom
- Exercise and Nutritional Genomics Research Centre, DNAFit Ltd., London, United Kingdom
| | - John Kiely
- Institute of Coaching and Performance, School of Sport and Wellbeing, University of Central Lancashire, Preston, United Kingdom
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