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Wang J, Xiao X, Zhang H, Wu D, Luo F, Yu J. Effects of additional physical exercise on the nutritional status and disease progression during the low-protein diet in Chronic Kidney Disease Patients: a systematic review and meta-analysis. Eur J Clin Nutr 2024; 78:737-747. [PMID: 38961262 DOI: 10.1038/s41430-024-01466-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 06/12/2024] [Accepted: 06/17/2024] [Indexed: 07/05/2024]
Abstract
Low-protein diet (LPD) is the core of dietary and nutritional therapy for non-dialysis chronic kidney disease (CKD) patients. In addition, physical exercise could prevent and treat various illnesses and chronic diseases. The objective of the study was to search for and appraise evidence on the effect of additional physical exercise on patients' nutritional status and indicators of disease progression when compared with the LPD alone. PubMed Central, Embase, Cochrane, and Web of Knowledge for randomized controlled trials (published between January 1, 1956 and May 17, 2023) were searched. A total of 8698 identified studies, 9 were eligible and were included in our analysis (N = 250 participants). Compared with the LPD alone, additional physical exercise reduced serum creatinine by a mean of -0.21 mg/dL (95% CI -0.39 to -0.03) in CKD patients. Similarly, blood pressure decreased after physical exercise, with systolic blood pressure decreasing by -7.05 mm Hg (95% CI -13.13 to -0.96) and diastolic blood pressure decreasing by -5.31 mm Hg (95% CI -7.99 to -2.62). Subgroup analyses revealed that resistance exercise (RE) was effective in decreasing estimated glomerular filtration rate (eGFR) of -1.71 mL/min per 1.73 m² (95% CI -3.29 to -0.14). In addition, the VO2peak increasing by 2.41 mL/kg/min (95% CI 0.13 to 4.70) when physical exercise was continued for 24 weeks. The above results suggest that the LPD with additional physical exercise care is more beneficial for patients with CKD.
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Affiliation(s)
- Jing Wang
- Department of Nutrition, Fifth Hospital in Wuhan, Wuhan, China
| | - Xiaofen Xiao
- Department of Nutrition, Fifth Hospital in Wuhan, Wuhan, China
| | - Hui Zhang
- Department of Orthopaedics, Fifth Hospital in Wuhan, Wuhan, China
| | - Dan Wu
- Department of Orthopaedics, Fifth Hospital in Wuhan, Wuhan, China
| | - Feifei Luo
- Department of Cardiac Function, Fourth Hospital in Wuhan, Wuhan, China
| | - Juling Yu
- Department of Infection Management, Fifth Hospital in Wuhan, Wuhan, China.
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Marques da Silva B, Fernandes J, Oliveira J, Silva H, Fortes A, Lopes JA, Gameiro J. Preoperative assessment for vascular access: Vascular mapping and handgrip strength. J Vasc Access 2024; 25:1627-1634. [PMID: 37376811 DOI: 10.1177/11297298231184915] [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] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Reliable vascular access (VA) is required for patients receiving chronic hemodialysis (HD) treatment. Vascular mapping using duplex doppler ultrasonography (DUS) can aid in planning VA construction. Greater handgrip strength (HGS) was found to be associated with more developed distal vessels both in chronic kidney disease (CKD) patients and healthy individuals, and patients with lower HGS had worse morphologic vessel characteristics and were, therefore, less likely to construct distal VA. OBJECTIVES This study aims to describe and analyze clinical, anthropometric, and laboratory characteristics of patients who underwent vascular mapping prior to VA creation. RESEARCH DESIGN Prospective analysis. SUBJECTS Adult patients with CKD referred for vascular mapping, at a tertiary center, between March 2021 and August 2021. MEASURES Preoperative DUS by a single experienced nephrologist was carried out. HGS was measured using a hand dynamometer, and PAD was defined as ABI < 0.9. Sub-groups were analyzed according to distal vasculature size (<2 mm). RESULTS A total of 80 patients were included, with a mean age of 65.7 ± 14.7 years; 67.5% were male, and 51.3% were on renal replacement therapy (RRT). Twelve (15%) participants had PAD. HGS was higher in the dominant arm (20.5 ± 12.0 vs 18.8 ± 11.2 kg). Fifty-eight (72.5%) patients had vessels smaller than 2 mm in diameter. There were no significant differences between groups concerning demographics or comorbidities (diabetes, HTN, PAD). HGS was significantly higher in patients with distal vasculature greater than or equal to 2 mm in diameter (dominant arm: 26.1 ± 15.5 vs 18.4 ± 9.7 kg, p = 0.010; non-dominant arm: 24.1 ± 15.3 vs 16.8 ± 8.6, p = 0.008). CONCLUSIONS Higher HGS was associated with more developed distal cephalic vein and radial artery. Low HGS might be an indirect sign of suboptimal vascular characteristics, which might help predict the outcomes of VA creation and maturation.
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Affiliation(s)
- Bernardo Marques da Silva
- Nephrology and Renal Transplantation Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
- Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
| | - João Fernandes
- Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
| | - João Oliveira
- Nephrology and Renal Transplantation Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
| | - Hugo Silva
- Nephrology and Renal Transplantation Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
| | - Alice Fortes
- Nephrology and Renal Transplantation Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
| | - José António Lopes
- Nephrology and Renal Transplantation Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
- Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
| | - Joana Gameiro
- Nephrology and Renal Transplantation Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
- Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
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Brüggemann AKV, Schardong J, Righi NC, Plentz RDM. Inspiratory Muscle Training in Patients Living With Chronic Kidney Disease and Receiving Hemodialysis: Meta-Analysis of Randomized Controlled Trials. Phys Ther 2024; 104:pzae065. [PMID: 38662569 DOI: 10.1093/ptj/pzae065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 01/15/2024] [Accepted: 04/24/2024] [Indexed: 08/07/2024]
Abstract
OBJECTIVE People living with chronic kidney disease (CKD) and receiving hemodialysis (HD) have impaired respiratory muscle strength and endurance. The objective of this study was to systematically review the effects of inspiratory muscle training (IMT) on respiratory muscle strength, functional capacity, lung function, quality of life, endothelial function, and oxidative stress in people living with CKD and receiving HD. METHODS An electronic search was conducted from inception to June 2023. Randomized controlled trials that evaluated the effects of IMT on respiratory muscle strength, functional capacity, lung function, endothelial function, quality of life, or oxidative stress in adults living with CKD and receiving HD, compared with control, placebo IMT, or conventional physical therapy, were included. RESULTS Eight studies were included, totaling 246 people. The meta-analysis showed that IMT increased the maximum inspiratory pressure (MIP) by 22.53 cm H2O, the maximum expiratory pressure (MEP) by 19.54 cm H2O, and the distance covered in the 6-minute walk test by 77.63 m. Changes in lung function and quality of life were not observed. It was not possible to quantitatively analyze data on endothelial function and oxidative stress. CONCLUSION IMT improves MIP, MEP, and functional capacity in people living with CKD and receiving HD. IMT did not demonstrate significant results for lung function and quality of life. Effects on endothelial function and oxidative capacity remain uncertain. IMPACT Inspiratory muscle training improves MIP, MEP, and functional capacity in people living with CKD and receiving HD, compared with conventional physical therapy or controls or placebo intervention. Increases in functional capacity in this population are extremely important because of the relationship with the survival of these people.
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Affiliation(s)
- Ana Karla Vieira Brüggemann
- Ciências da Reabilitação, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Jociane Schardong
- Ciências da Reabilitação, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
- Serviço de Fisioterapia, Irmandade Santa Casa de Misericórdia de Porto Alegre (ISCMPA) hospital, Porto Alegre, Rio Grande do Sul, Brazil
| | - Natiele Camponogara Righi
- Ciências da Reabilitação, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
- Serviço de Fisioterapia, Irmandade Santa Casa de Misericórdia de Porto Alegre (ISCMPA) hospital, Porto Alegre, Rio Grande do Sul, Brazil
| | - Rodrigo Della Méa Plentz
- Ciências da Reabilitação, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
- Serviço de Fisioterapia, Irmandade Santa Casa de Misericórdia de Porto Alegre (ISCMPA) hospital, Porto Alegre, Rio Grande do Sul, Brazil
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Zhang C, Deng J, Li K, Lai G, Liu H, Zhang Y, Zeng H, Li W, Zhong X, Wang Y, Xie B. Causal association of monocytes with chronic kidney disease and the mediation role of frailty: A study integrating large-scale two-sample Mendelian randomization and single-cell analysis. Arch Gerontol Geriatr 2024; 123:105435. [PMID: 38583266 DOI: 10.1016/j.archger.2024.105435] [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: 01/25/2024] [Revised: 03/31/2024] [Accepted: 04/01/2024] [Indexed: 04/09/2024]
Abstract
BACKGROUND Recent research reported that frailty was prevalent among adults with chronic kidney disease (CKD) in clinical trials, and monocytes illustrated a similar difference in these two diseases compared to the normal. However, the scientific evidence for a causal relationship between these two diseases was lacking, with further exploration into whether monocytes co-regulate them. METHODS We aimed to integrate large-scale Mendelian randomization (MR) and single-cell transcriptome analysis to determine whether there was a causal relationship between frailty and CKD (Bidirectional two-sample Mendelian determined the causal direction), whether monocytes impacted them, and whether the two diseases shared genetic variation sites. Based on 441 Genome-wide association study datasets, this study utilized five MR methods, multiple sensitivity analysis, and corresponding single-cell transcriptome datasets as proof. RESULTS The association between frailty and CKD was significantly causal, and frailty increased the risk of CKD in patients (OR (95 %CI): 3.5597 (1.8369-6.8982), p = 0.000168909). The exposure monocyte can increase the risk of frailty and CKD in patients, especially with high expression of HLA genes in these cells. The existing two-sample MR results cannot reject the hypothesis that monocytes increase the risk of CKD by inducing frailty. rs9275271' 1mb genetic location above and below had been proven to be an effective genetic space for both frailty and CKD. CONCLUSION We conducted the largest MR to date on frailty, monocyte, and CKD, and found a significant causal association between frailty and CKD, with the single-cell analysis confirmed. The exposure monocytes increased the risk of frailty and CKD, particularly with high expression of HLA genes in these cells. We identified a potential common genetic variant space, rs9275271, associated with frailty and CKD, providing insights into the genetic basis of these conditions.
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Affiliation(s)
- Cong Zhang
- Department of Epidemiology and Health Statistics, School of Public Health, Chongqing Medical University, Yixue Road, Chongqing 400016, China; Yidu Cloud (Beijing) Technology Co., Beijing, China
| | - Jielian Deng
- Department of Epidemiology and Health Statistics, School of Public Health, Chongqing Medical University, Yixue Road, Chongqing 400016, China
| | - Kangjie Li
- Department of Epidemiology and Health Statistics, School of Public Health, Chongqing Medical University, Yixue Road, Chongqing 400016, China
| | - Guichuan Lai
- Department of Epidemiology and Health Statistics, School of Public Health, Chongqing Medical University, Yixue Road, Chongqing 400016, China
| | - Hui Liu
- Department of Epidemiology and Health Statistics, School of Public Health, Chongqing Medical University, Yixue Road, Chongqing 400016, China
| | - Yuan Zhang
- Department of Epidemiology and Health Statistics, School of Public Health, Chongqing Medical University, Yixue Road, Chongqing 400016, China
| | - Haijiao Zeng
- Department of Epidemiology and Health Statistics, School of Public Health, Chongqing Medical University, Yixue Road, Chongqing 400016, China
| | - Wenlong Li
- Department of Epidemiology and Health Statistics, School of Public Health, Chongqing Medical University, Yixue Road, Chongqing 400016, China
| | - Xiaoni Zhong
- Department of Epidemiology and Health Statistics, School of Public Health, Chongqing Medical University, Yixue Road, Chongqing 400016, China.
| | - Yao Wang
- Yidu Cloud (Beijing) Technology Co., Beijing, China.
| | - Biao Xie
- Department of Epidemiology and Health Statistics, School of Public Health, Chongqing Medical University, Yixue Road, Chongqing 400016, China.
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Hong SH, Bae YJ. Association of Dietary Vegetable and Fruit Consumption with Sarcopenia: A Systematic Review and Meta-Analysis. Nutrients 2024; 16:1707. [PMID: 38892640 PMCID: PMC11174889 DOI: 10.3390/nu16111707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
Previous studies have shown contradictory results regarding the association between vegetable and fruit consumption and the risk of sarcopenia. We aimed to evaluate this association using a meta-analysis, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We searched PubMed, EMBASE, and the Cochrane Library through July 2023 using related keywords. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were calculated based on the random-effects model. We included 14 observational studies with 11 cross-sectional and three cohort studies involving 6436 sarcopenias among 33,801 participants. Vegetable and fruit consumption were significantly associated with reduced sarcopenia risk (OR, 0.61; 95% CI, 0.48 to 0.79; I2 = 59.8%). The association was significant in cross-sectional studies (OR, 0.64; 95% CI, 0.49 to 0.84; I2 = 56.3%; n = 11) but not in cohort studies (OR, 0.50; 95% CI, 0.22 to 1.11; I2 = 76.4%; n = 3). Moreover, the association was significant in age ≥60 (OR, 0.64; 95% CI, 0.49 to 0.83; I2 = 58.0%; n = 10). This meta-analysis suggests that eating vegetables and fruit reduces sarcopenia risk. However, as cohort studies provide a higher level of evidence than case-control studies, further prospective cohort studies should be conducted.
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Affiliation(s)
- Seung-Hee Hong
- Department of Food and Nutritional Science, Shinhan University, Uijeongbu 11644, Gyeonggi, Republic of Korea;
| | - Yun-Jung Bae
- Major in Food and Nutrition, Division of Food Science and Biotechnology, Korea National University of Transportation, Jeungpyeong 27909, Chungcheong, Republic of Korea
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Kennard AL, Glasgow NJ, Rainsford SE, Talaulikar GS. Narrative Review: Clinical Implications and Assessment of Frailty in Patients With Advanced CKD. Kidney Int Rep 2024; 9:791-806. [PMID: 38765572 PMCID: PMC11101734 DOI: 10.1016/j.ekir.2023.12.022] [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: 09/14/2023] [Revised: 12/12/2023] [Accepted: 12/21/2023] [Indexed: 05/22/2024] Open
Abstract
Frailty is a multidimensional clinical syndrome characterized by low physical activity, reduced strength, accumulation of multiorgan deficits, decreased physiological reserve, and vulnerability to stressors. Frailty has key social, psychological, and cognitive implications. Frailty is accelerated by uremia, leading to a high prevalence of frailty in patients with advanced chronic kidney disease (CKD) and end-stage kidney disease (ESKD) as well as contributing to adverse outcomes in this patient population. Frailty assessment is not routine in patients with CKD; however, a number of validated clinical assessment tools can assist in prognostication. Frailty assessment in nephrology populations supports shared decision-making and advanced communication and should inform key medical transitions. Frailty screening and interventions in CKD or ESKD are a developing research priority with a rapidly expanding literature base.
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Affiliation(s)
- Alice L. Kennard
- Department of Renal Medicine, Canberra Health Services, Australian Capital Territory, Australia
- Australian National University, Canberra, Australian Capital Territory, Australia
| | - Nicholas J. Glasgow
- Australian National University, Canberra, Australian Capital Territory, Australia
| | - Suzanne E. Rainsford
- Australian National University, Canberra, Australian Capital Territory, Australia
| | - Girish S. Talaulikar
- Department of Renal Medicine, Canberra Health Services, Australian Capital Territory, Australia
- Australian National University, Canberra, Australian Capital Territory, Australia
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Zhang H, Du Y, Tang W, Chen M, Yu W, Ke Z, Dong S, Cheng Q. Eldecalcitol prevents muscle loss and osteoporosis in disuse muscle atrophy via NF-κB signaling in mice. Skelet Muscle 2023; 13:22. [PMID: 38115079 PMCID: PMC10729577 DOI: 10.1186/s13395-023-00332-0] [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: 05/01/2023] [Accepted: 11/29/2023] [Indexed: 12/21/2023] Open
Abstract
We investigated the effect of eldecalcitol on disuse muscle atrophy. C57BL/6J male mice aged 6 weeks were randomly assigned to control, tail suspension (TS), and TS-eldecalcitol-treated groups and were injected intraperitoneally twice a week with either vehicle (control and TS) or eldecalcitol at 3.5 or 5 ng for 3 weeks. Grip strength and muscle weights of the gastrocnemius (GAS), tibialis anterior (TA), and soleus (SOL) were determined. Oxidative stress was evaluated by malondialdehyde, superoxide dismutase, glutathione peroxidase, and catalase. Bone microarchitecture was analyzed using microcomputed tomography. The effect of eldecalcitol on C2C12 myoblasts was analyzed by measuring myofibrillar protein MHC and the atrophy markers Atrogin-1 and MuRF-1 using immunofluorescence. The influence of eldecalcitol on NF-κB signaling pathway and vitamin D receptor (VDR) was assessed through immunofluorescence, (co)-immunoprecipitation, and VDR knockdown studies. Eldecalcitol increased grip strength (P < 0.01) and restored muscle loss in GAS, TA, and SOL (P < 0.05 to P < 0.001) induced by TS. An improvement was noted in bone mineral density and bone architecture in the eldecalcitol group. The impaired oxidative defense system was restored by eldecalcitol (P < 0.05 to P < 0.01 vs. TS). Eldecalcitol (10 nM) significantly inhibited the expression of MuRF-1 (P < 0.001) and Atrogin-1 (P < 0.01), increased the diameter of myotubes (P < 0.05), inhibited the expression of P65 and P52 components of NF-κB and P65 nuclear location, thereby inhibiting NF-κB signaling. Eldecalcitol promoted VDR binding to P65 and P52. VDR signaling is required for eldecalcitol-mediated anti-atrophy effects. In conclusion, eldecalcitol exerted its beneficial effects on disuse-induced muscle atrophy via NF-κB inhibition.
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Affiliation(s)
- Haichao Zhang
- Department of Osteoporosis and Bone Disease, Huadong Hospital Affiliated to Fudan University, Research Section of Geriatric Metabolic Bone Disease, Shanghai Geriatric Institute, Shanghai, 200040, People's Republic of China
| | - Yanping Du
- Department of Osteoporosis and Bone Disease, Huadong Hospital Affiliated to Fudan University, Research Section of Geriatric Metabolic Bone Disease, Shanghai Geriatric Institute, Shanghai, 200040, People's Republic of China
| | - Wenjing Tang
- Department of Osteoporosis and Bone Disease, Huadong Hospital Affiliated to Fudan University, Research Section of Geriatric Metabolic Bone Disease, Shanghai Geriatric Institute, Shanghai, 200040, People's Republic of China
| | - Minmin Chen
- Department of Osteoporosis and Bone Disease, Huadong Hospital Affiliated to Fudan University, Research Section of Geriatric Metabolic Bone Disease, Shanghai Geriatric Institute, Shanghai, 200040, People's Republic of China
| | - Weijia Yu
- Department of Osteoporosis and Bone Disease, Huadong Hospital Affiliated to Fudan University, Research Section of Geriatric Metabolic Bone Disease, Shanghai Geriatric Institute, Shanghai, 200040, People's Republic of China
| | - Zheng Ke
- Medical Division, Chugai Pharma China Co., Ltd., Shanghai, 200021, People's Republic of China
| | - Shuangshuang Dong
- Medical Division, Chugai Pharma China Co., Ltd., Shanghai, 200021, People's Republic of China
| | - Qun Cheng
- Department of Osteoporosis and Bone Disease, Huadong Hospital Affiliated to Fudan University, Research Section of Geriatric Metabolic Bone Disease, Shanghai Geriatric Institute, Shanghai, 200040, People's Republic of China.
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Tanaka M, Okada H, Hashimoto Y, Kumagai M, Yamaoka M, Nishimura H, Fukui M. Trunk muscle quality and quantity are associated with renal volume in nondiabetic people. Clin Kidney J 2023; 16:2597-2604. [PMID: 38046018 PMCID: PMC10689130 DOI: 10.1093/ckj/sfad202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Indexed: 12/05/2023] Open
Abstract
Background Renal disease is a major problem in terms of community health and the economy. Skeletal muscle is involved in crosstalk with the kidney. We therefore investigated the relationship between muscle quality and quantity, and renal parenchymal volume (RPV). Methods The association between the parameters of skeletal muscle and RPV/body surface area (BSA) was analyzed by computed tomography in 728 middle-aged participants without kidney disease or diabetes mellitus in a cross-sectional study. A retrospective cohort study of 68 participants was undertaken to analyze the association between changes in RPV/BSA and muscle parameters. Parameter change was calculated as follows: parameter at the follow-up examination/parameter at the baseline examination. The normal attenuation muscle (NAM) and low attenuation muscle (LAM) were identified by Hounsfield Unit thresholds of +30 to +150, and -29 to +29, respectively. Results Positive correlations were found between estimated glomerular filtration rate and RPV/BSA (r = 0.451, P < .0001). Multiple regression analyses revealed that the NAM index was positively related to RPV/BSA (β = 0.458, P < .0001), whereas the LAM index was negatively related to RPV/BSA (β = -0.237, P < .0001). In this cohort study, a change in the LAM index was independently associated with a change in RPV/BSA (β = -0.349, P = .0032). Conclusion Both trunk muscle quantity and quality were associated with renal volume related to renal function in nondiabetic people. An increase in low quality muscle volume might be related to a decrease in renal volume.
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Affiliation(s)
- Muhei Tanaka
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
- Department of Diabetes and Metabolism, Saiseikai Suita Hospital, Osaka, Japan
| | - Hiroshi Okada
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | | | - Muneaki Kumagai
- Medical Corporation Soukenkai, Nishimura Clinic, Kyoto, Japan
| | - Miyoko Yamaoka
- Medical Corporation Soukenkai, Nishimura Clinic, Kyoto, Japan
| | | | - Michiaki Fukui
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
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Zhang X, Zhao Y, Yan W. The role of extracellular vesicles in skeletal muscle wasting. J Cachexia Sarcopenia Muscle 2023; 14:2462-2472. [PMID: 37867162 PMCID: PMC10751420 DOI: 10.1002/jcsm.13364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 08/01/2023] [Accepted: 09/20/2023] [Indexed: 10/24/2023] Open
Abstract
Skeletal muscle wasting is a complicated metabolic syndrome accompanied by multiple diseases ranging from cancer to metabolic disorders and infectious conditions. The loss of muscle mass significantly impairs muscle function, resulting in poor quality of life and high mortality of associated diseases. The fundamental cellular and molecular mechanisms inducing muscle wasting have been well established, and those related pathways can be activated by a variety of extracellular signals, including inflammatory cytokines and catabolic stimuli. As an emerging messenger of cell-to-cell communications, extracellular vesicles (EVs) also get involved in the progression of muscle wasting by transferring bioactive cargoes including various proteins and non-coding RNAs to skeletal muscle. Like a double-edged sword, EVs play either a pro-wasting or anti-wasting role in the progression of muscle wasting, highly dependent on their parental cells as well as the specific type of cargo they encapsulate. This review aims to illustrate the current knowledge about the biological function of EVs cargoes in skeletal muscle wasting. Additionally, the potential therapeutic implications of EVs in the diagnosis and treatment of skeletal muscle wasting are also discussed. Simultaneously, several outstanding questions are included to shed light on future research.
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Affiliation(s)
- Xiaohui Zhang
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, TaiKang Center for Life and Medical SciencesWuhan UniversityWuhanChina
| | - Yanxia Zhao
- Cancer Center, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Wei Yan
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, TaiKang Center for Life and Medical SciencesWuhan UniversityWuhanChina
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Shakhshir MH, Vanoh D, Hassan M, Zyoud SH. Mapping the global research landscape on malnutrition for patients with chronic kidney disease: a visualization analysis. JOURNAL OF HEALTH, POPULATION, AND NUTRITION 2023; 42:101. [PMID: 37742012 PMCID: PMC10517565 DOI: 10.1186/s41043-023-00445-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 09/15/2023] [Indexed: 09/25/2023]
Abstract
BACKGROUND Chronic kidney disease (CKD) is seen as a diverse disease and a primary contributor to global mortality. Malnutrition arises within chronic illness, which involves protein energy depletion and inadequate levels of essential nutrients. These factors increase the likelihood of death and the overall impact of the disease on affected individuals. Consequently, this study aims to utilize bibliometric and visual analysis to assess the current state of research, the latest advances and emerging patterns in the fields of CKD and malnutrition. METHODS Extensive research was conducted using the Scopus database, which is the most authoritative database of research publications and citations, to focus on CKD research between 2003 and 2022, as indicated by title and author keywords. Then, within this vast collection of academic publications, a notable subset of articles was exclusively dedicated to investigating the relationship between CKD and malnutrition. Finally, we performed bibliometric analysis and visualization using VOSviewer 1.6.19 and Microsoft Excel 2013. RESULTS Large global research between 2003 and 2022 resulted in 50,588 documents focused on CKD, as indicated by title and author keywords. In this extensive collection of scientific publications, a staggering portion of 823 articles is devoted exclusively to investigating the link between CKD and malnutrition. Further analysis reveals that this body of work consists of 565 articles (68.65%), 221 reviews (26.85%), and 37 miscellaneous entries (4.50%), which encompass letters and editorials. The USA was found to be the most productive country (n = 173; 21.02%), followed by Italy (n = 83; 10.09%), Sweden (n = 56; 6.80%), Brazil (n = 54; 6.56%) and China (n = 51; 6.20%). The most common terms on the map include those related to the topic of (a) malnutrition in hemodialysis patients and predicting factors; terms associated with the (b) impact of malnutrition on cardiovascular risk and complications in CKD patients; and terms related to the (c) dietary protein intake and malnutrition in CKD. CONCLUSIONS This study is the first of its kind to analyze CKD and malnutrition research using data from Scopus for visualization and network mapping. Recent trends indicate an increasing focus on protein-energy wasting/malnutrition in hemodialysis patients and predicting factors, dietary protein intake, and malnutrition in CKD. These topics have gained significant attention and reflect the latest scientific advances. Intervention studies are crucial to examining diet therapy's impact on patients with stages 1 to 5 CKD. We hope this study will offer researchers, dietitians and nephrologists valuable information.
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Affiliation(s)
- Muna H Shakhshir
- Department of Nutrition, An-Najah National University Hospital, Nablus, 44839, Palestine.
- Department of Public Health, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839, Palestine.
- Dietetics Programme, School of Health Sciences, Universiti Sains Malaysia, Kelantan, Health Campus, 16150, Kubang Kerian, Malaysia.
| | - Divya Vanoh
- Dietetics Programme, School of Health Sciences, Universiti Sains Malaysia, Kelantan, Health Campus, 16150, Kubang Kerian, Malaysia.
| | - Mohanad Hassan
- Department of Medicine, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839, Palestine
- Department of Nephrology, An-Najah National University Hospital, Nablus, 44839, Palestine
| | - Sa'ed H Zyoud
- Poison Control and Drug Information Center (PCDIC), College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839, Palestine
- Department of Clinical and Community Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839, Palestine
- Clinical Research Centre, An-Najah National University Hospital, Nablus, 44839, Palestine
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11
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Hung KC, Yao WC, Liu YL, Yang HJ, Liao MT, Chong K, Peng CH, Lu KC. The Potential Influence of Uremic Toxins on the Homeostasis of Bones and Muscles in Chronic Kidney Disease. Biomedicines 2023; 11:2076. [PMID: 37509715 PMCID: PMC10377042 DOI: 10.3390/biomedicines11072076] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/21/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Patients with chronic kidney disease (CKD) often experience a high accumulation of protein-bound uremic toxins (PBUTs), specifically indoxyl sulfate (IS) and p-cresyl sulfate (pCS). In the early stages of CKD, the buildup of PBUTs inhibits bone and muscle function. As CKD progresses, elevated PBUT levels further hinder bone turnover and exacerbate muscle wasting. In the late stage of CKD, hyperparathyroidism worsens PBUT-induced muscle damage but can improve low bone turnover. PBUTs play a significant role in reducing both the quantity and quality of bone by affecting osteoblast and osteoclast lineage. IS, in particular, interferes with osteoblastogenesis by activating aryl hydrocarbon receptor (AhR) signaling, which reduces the expression of Runx2 and impedes osteoblast differentiation. High PBUT levels can also reduce calcitriol production, increase the expression of Wnt antagonists (SOST, DKK1), and decrease klotho expression, all of which contribute to low bone turnover disorders. Furthermore, PBUT accumulation leads to continuous muscle protein breakdown through the excessive production of reactive oxygen species (ROS) and inflammatory cytokines. Interactions between muscles and bones, mediated by various factors released from individual tissues, play a crucial role in the mutual modulation of bone and muscle in CKD. Exercise and nutritional therapy have the potential to yield favorable outcomes. Understanding the underlying mechanisms of bone and muscle loss in CKD can aid in developing new therapies for musculoskeletal diseases, particularly those related to bone loss and muscle wasting.
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Affiliation(s)
- Kuo-Chin Hung
- Division of Nephrology, Department of Medicine, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
- Department of Pharmacy, Tajen University, Pingtung 907, Taiwan
| | - Wei-Cheng Yao
- Department of Anesthesiology, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
- Department of Medical Education and Clinical Research, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
| | - Yi-Lien Liu
- Department of Family Medicine, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
| | - Hung-Jen Yang
- Department of General Medicine, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
| | - Min-Tser Liao
- Department of Pediatrics, Taoyuan Armed Forces General Hospital Hsinchu Branch, Hsinchu City 300, Taiwan
- Department of Pediatrics, Taoyuan Armed Forces General Hospital, Taoyuan 325, Taiwan
- Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
| | - Keong Chong
- Division of Endocrinology and Metabolism, Department of Medicine, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
| | - Ching-Hsiu Peng
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, and School of Medicine, Tzu Chi University, Hualien 970, Taiwan
| | - Kuo-Cheng Lu
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, and School of Medicine, Tzu Chi University, Hualien 970, Taiwan
- Division of Nephrology, Department of Medicine, Fu-Jen Catholic University Hospital, School of Medicine, Fu-Jen Catholic University, New Taipei City 242, Taiwan
- Division of Nephrology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
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12
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Massini G, Caldiroli L, Molinari P, Carminati FMI, Castellano G, Vettoretti S. Nutritional Strategies to Prevent Muscle Loss and Sarcopenia in Chronic Kidney Disease: What Do We Currently Know? Nutrients 2023; 15:3107. [PMID: 37513525 PMCID: PMC10384728 DOI: 10.3390/nu15143107] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Loss of muscle mass is an extremely frequent complication in patients with chronic kidney disease (CKD). The etiology of muscle loss in CKD is multifactorial and may depend on kidney disease itself, dialysis, the typical chronic low-grade inflammation present in patients with chronic kidney disease, but also metabolic acidosis, insulin resistance, vitamin D deficiency, hormonal imbalances, amino acid loss during dialysis, and reduced dietary intake. All these conditions together increase protein degradation, decrease protein synthesis, and lead to negative protein balance. Aging further exacerbates sarcopenia in CKD patients. Nutritional therapy, such as protein restriction, aims to manage uremic toxins and slow down the progression of CKD. Low-protein diets (LPDs) and very low-protein diets (VLPDs) supplemented with amino acids or ketoacids are commonly prescribed. Energy intake is crucial, with a higher intake associated with maintaining a neutral or positive nitrogen balance. Adequate nutritional and dietary support are fundamental in preventing nutritional inadequacies and, consequently, muscle wasting, which can occur in CKD patients. This review explores the causes of muscle loss in CKD and how it can be influenced by nutritional strategies aimed at improving muscle mass and muscle strength.
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Affiliation(s)
- Giulia Massini
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Lara Caldiroli
- Unit of Nephrology, Dialysis and Kidney Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, 20122 Milan, Italy
| | - Paolo Molinari
- Unit of Nephrology, Dialysis and Kidney Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, 20122 Milan, Italy
| | - Francesca Maria Ida Carminati
- Unit of Nephrology, Dialysis and Kidney Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, 20122 Milan, Italy
| | - Giuseppe Castellano
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
- Unit of Nephrology, Dialysis and Kidney Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, 20122 Milan, Italy
| | - Simone Vettoretti
- Unit of Nephrology, Dialysis and Kidney Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, 20122 Milan, Italy
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13
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Potter KM, Dunn H, Krupp A, Mueller M, Newman S, Girard TD, Miller S. Identifying Comorbid Subtypes of Patients With Acute Respiratory Failure. Am J Crit Care 2023; 32:294-301. [PMID: 37391366 DOI: 10.4037/ajcc2023980] [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: 07/02/2023]
Abstract
BACKGROUND Patients with acute respiratory failure have multiple risk factors for disability following their intensive care unit stay. Interventions to facilitate independence at hospital discharge may be more effective if personalized for patient subtypes. OBJECTIVES To identify subtypes of patients with acute respiratory failure requiring mechanical ventilation and compare post-intensive care functional disability and intensive care unit mobility level among subtypes. METHODS Latent class analysis was conducted in a cohort of adult medical intensive care unit patients with acute respiratory failure receiving mechanical ventilation who survived to hospital discharge. Demographic and clinical medical record data were collected early in the stay. Clinical characteristics and outcomes were compared among subtypes by using Kruskal-Wallis tests and χ2 tests of independence. RESULTS In a cohort of 934 patients, the 6-class model provided the optimal fit. Patients in class 4 (obesity and kidney impairment) had worse functional impairment at hospital discharge than patients in classes 1 through 3. Patients in class 3 (alert patients) had the lowest magnitude of functional impairment (P < .001) and achieved the earliest out-of-bed mobility and highest mobility level of all subtypes (P < .001). CONCLUSIONS Acute respiratory failure survivor subtypes identified from clinical data available early in the intensive care unit stay differ in post-intensive care functional disability. Future research should target high-risk patients in early rehabilitation trials in the intensive care unit. Additional investigation of contextual factors and mechanisms of disability is critical to improving quality of life in acute respiratory failure survivors.
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Affiliation(s)
- Kelly M Potter
- Kelly M. Potter was a PhD candidate at the Medical University of South Carolina College of Nursing during the study and is now a research assistant professor at the Clinical Research, Investigation, and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh, Pennsylvania
| | - Heather Dunn
- Heather Dunn is a clinical assistant professor at University of Iowa College of Nursing, Iowa City, Iowa
| | - Anna Krupp
- Anna Krupp is an assistant professor at University of Iowa College of Nursing
| | - Martina Mueller
- Martina Mueller is a professor of biostatistics at the Medical University of South Carolina College of Nursing, Charleston, South Carolina
| | - Susan Newman
- Susan Newman is an associate professor and assistant dean at the Medical University of South Carolina College of Nursing
| | - Timothy D Girard
- Timothy D. Girard is an associate professor and director of the CRISMA Center, Department of Critical Care Medicine, University of Pittsburgh
| | - Sarah Miller
- Sarah Miller is an associate professor at the Medical University of South Carolina College of Nursing
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14
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Liu Y, Atiq A, Peterson A, Moody M, Novin A, Deymier AC, Afzal J, Kshitiz. Metabolic Acidosis Results in Sexually Dimorphic Response in the Heart Tissue. Metabolites 2023; 13:549. [PMID: 37110207 PMCID: PMC10142987 DOI: 10.3390/metabo13040549] [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: 03/24/2023] [Revised: 04/07/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
Metabolic acidosis (MA) is a highly prevalent disorder in a significant proportion of the population, resulting from imbalance in blood pH homeostasis. The heart, being an organ with very low regenerative capacity and high metabolic activity, is vulnerable to chronic, although low-grade, MA. To systematically characterize the effect of low-grade MA on the heart, we treated male and female mice with NH4Cl supplementation for 2 weeks and analyzed their blood chemistry and transcriptomic signature of the heart tissue. The reduction of pH and plasma bicarbonate levels without an associated change in anion gap indicated a physiological manifestation of low-grade MA with minimal respiratory compensation. On transcriptomic analysis, we observed changes in cardiac-specific genes with significant gender-based differences due to MA. We found many genes contributing to dilated cardiomyopathy to be altered in males, more than in females, while cardiac contractility and Na/K/ATPase-Src signaling were affected in the opposite way. Our model presents a systems-level understanding of how the cardiovascular tissue is affected by MA. As low-grade MA is a common ailment with many dietary and pharmaceutical interventions, our work presents avenues to limit chronic cardiac damage and disease manifestation, as well as highlighting the sex differences in MA-induced cardiovascular damage.
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Affiliation(s)
- Yamin Liu
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT 06032, USA; (Y.L.)
| | - Amina Atiq
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT 06032, USA; (Y.L.)
| | - Anna Peterson
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT 06032, USA; (Y.L.)
| | - Mikayla Moody
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT 06032, USA; (Y.L.)
| | - Ashkan Novin
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT 06032, USA; (Y.L.)
| | - Alix C. Deymier
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT 06032, USA; (Y.L.)
| | - Junaid Afzal
- Division of Cardiology, Department of Medicine, University of California San Francisco, San Francisco, CA 94158, USA
| | - Kshitiz
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT 06032, USA; (Y.L.)
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15
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A multicomponent exercise program improves functional capacity and respiratory muscle strength in hemodialysis patients: a randomized clinical trial. SPORT SCIENCES FOR HEALTH 2023. [DOI: 10.1007/s11332-023-01053-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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16
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Gholami F, Bahrampour N, Samadi M, Rasaei N, Yarizadeh H, Naghshi S, Mirzaei K. The association of dietary acid load (DAL) with estimated skeletal muscle mass and bone mineral content: a cross-sectional study. BMC Nutr 2023; 9:31. [PMID: 36788599 PMCID: PMC9926757 DOI: 10.1186/s40795-022-00658-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 12/21/2022] [Indexed: 02/16/2023] Open
Abstract
BACKGROUND & AIMS Dietary patterns that promote mild metabolic acidosis may have a negative effect on bone and muscle, and a high dietary acid load (DAL) may be detrimental to skeletal muscle mass and bone mineral content. However, the association between skeletal muscle mass and bone mineral content with dietary acid load has not been consistently reported in previous studies. The objective of the study was to evaluate the association of potential renal net acid load (PRAL) and net endogenous acid production (NEAP) with bone mineral content and skeletal muscle mass in pre-menopause women with overweight or obesity in Iran. METHOD Three hundred and ninety women with a body mass index (BMI) of 25 were included in this cross-sectional study. We used a validated 147-item semi-quantitative food frequency questionnaire (FFQ) for evaluating the dietary intake. Based on the dietary data, potential renal net acid load (PRAL) and net endogenous acid production (NEAP) were calculated. Muscle mass and bone mineral content were estimated by a bioelectrical impedance analyzer (BIA). RESULTS After controlling for potential confounders, we discovered a significant linear relationship between PRAL (β = -0.027, 95%CI = -0.049 to -0.004, P = 0.02) and NEAP (β = -0.05, 95%CI = -0.097 to -0.003, P = 0.03) and skeletal muscle mass index. However, there was no significant difference between SMM and BMC across PRAL and NEAP tertiles. CONCLUSION PRAL and NEAP were found to be inversely related to skeletal muscle mass index among overweight/obese women. Further research is required to establish whether this relationship is important for musculoskeletal health in these populations.
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Affiliation(s)
- Fatemeh Gholami
- grid.411705.60000 0001 0166 0922Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O Box 6446, Tehran, 14155 Iran
| | - Niki Bahrampour
- grid.411463.50000 0001 0706 2472Department of Nutrition, Science and Research Branch, Islamic Azad University (SRBIAU), Tehran, Iran
| | - Mahsa Samadi
- grid.411705.60000 0001 0166 0922Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O Box 6446, Tehran, 14155 Iran
| | - Niloufar Rasaei
- grid.411705.60000 0001 0166 0922Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O Box 6446, Tehran, 14155 Iran
| | - Habib Yarizadeh
- grid.411705.60000 0001 0166 0922Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O Box 6446, Tehran, 14155 Iran
| | - Sina Naghshi
- grid.411705.60000 0001 0166 0922Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O Box 6446, Tehran, 14155 Iran
| | - Khadijeh Mirzaei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O Box 6446, Tehran, 14155, Iran.
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17
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Sadri H, Ghaffari MH, Sauerwein H. Invited review: Muscle protein breakdown and its assessment in periparturient dairy cows. J Dairy Sci 2023; 106:822-842. [PMID: 36460512 DOI: 10.3168/jds.2022-22068] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 08/29/2022] [Indexed: 11/30/2022]
Abstract
Mobilization of body reserves including fat, protein, and glycogen is necessary to overcome phases of negative nutrient balance typical for high-yielding dairy cows during the periparturient period. Skeletal muscle, the largest internal organ in mammals, plays a crucial role in maintaining metabolic homeostasis. However, unlike in liver and adipose tissue, the metabolic and regulatory role of skeletal muscle in the adaptation of dairy cows to the physiological needs of pregnancy and lactation has not been studied extensively. The functional integrity and quality of skeletal muscle are maintained through a constant turnover of protein, resulting from both protein breakdown and protein synthesis. Thus, muscle protein breakdown (MPB) and synthesis are intimately connected and tightly controlled to ensure proper protein homeostasis. Understanding the regulation of MPB, the catabolic component of muscle turnover, and its assessment are therefore important considerations to provide information about the timing and extent of tissue mobilization in periparturient dairy cows. Based on animal models and human studies, it is now evident that MPB occurs via the integration of 3 main systems: autophagy-lysosomal, calpain Ca2+-dependent cysteine proteases, and the ubiquitin-proteasome system. These 3 main systems are interconnected and do not work separately, and the regulation is complex. The ubiquitin-proteasomal system is the most well-known cellular proteolytic system and plays a fundamental role in muscle physiology. Complete degradation of a protein often requires a combination of the systems, depending on the physiological situation. Determination of MPB in dairy cows is technically challenging, resulting in a relative dearth of information. The methods for assessing MPB can be divided into either direct or indirect measurements, both having their strengths and limitations. Available information on the direct measures of MPB primarily comes from stable isotopic tracer methods and those of indirect measurements from assessing expression and activity measures of the components of the 3 MPB systems in muscle biopsy samples. Other indirect approaches (i.e., potential indicators of MPB), including ultrasound imaging and measuring metabolites from muscle degradation (i.e., 3-methylhistidine and creatinine), seem to be applicable methods and can provide useful information about the extent and timing of MPB. This review presents our current understanding, including methodological considerations, of the process of MPB in periparturient dairy cows.
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Affiliation(s)
- H Sadri
- Department of Clinical Science, Faculty of Veterinary Medicine, University of Tabriz, 5166616471 Tabriz, Iran; Institute of Animal Science, Physiology Unit, University of Bonn, 53111 Bonn, Germany.
| | - M H Ghaffari
- Institute of Animal Science, Physiology Unit, University of Bonn, 53111 Bonn, Germany
| | - H Sauerwein
- Institute of Animal Science, Physiology Unit, University of Bonn, 53111 Bonn, Germany
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18
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Pei T, Zhu D, Yang S, Hu R, Wang F, Zhang J, Yan S, Ju L, He Z, Han Z, He J, Yan Y, Wang M, Xiao W, Ma Y. Bacteroides plebeius improves muscle wasting in chronic kidney disease by modulating the gut-renal muscle axis. J Cell Mol Med 2022; 26:6066-6078. [PMID: 36458537 PMCID: PMC9753468 DOI: 10.1111/jcmm.17626] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 10/24/2022] [Accepted: 11/04/2022] [Indexed: 12/05/2022] Open
Abstract
Chronic kidney disease (CKD) affects approximately 10% of the global population. Muscle atrophy occurs in patients with almost all types of CKD, and the gut microbiome is closely related to protein consumption during chronic renal failure (CRF). This study investigated the effects of Bacteroides plebeius on protein energy consumption in rats with CKD, and our results suggest that Bacteroides plebeius may combat muscle atrophy through the Mystn/ActRIIB/SMAD2 pathway. A total of 5/6 Nx rats were used as a model of muscle wasting in CKD. The rats with muscle wasting were administered Bacteroides plebeius (2 × 108 cfu/0.2 ml) for 8 weeks. The results showed that Bacteroides plebeius administration significantly inhibited muscle wasting in CKD. High-throughput 16 S rRNA pyrosequencing revealed that supplementation with Bacteroides plebeius rescued disturbances in the gut microbiota. Bacteroides plebeius could also enhance the barrier function of the intestinal mucosa. Bacteroides plebeius may modulate the gut microbiome and reduce protein consumption by increasing the abundance of probiotics and reducing damage to the intestinal mucosal barrier. Our findings suggest that Bacteroides plebeius may combat muscle atrophy through the Mystn/ActRIIB/SMAD2 pathway.
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Affiliation(s)
- Tingting Pei
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Daoqi Zhu
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Sixia Yang
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Rong Hu
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Fujing Wang
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Jiaxing Zhang
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Shihua Yan
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Liliang Ju
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Zhuoen He
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Zhongxiao Han
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Jinyue He
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Yangtian Yan
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Mingqing Wang
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina
| | - Wei Xiao
- Department of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdongChina,Key Laboratory of Glucolipid Metabolic Disorder, Ministry of EducationGuangdong Pharmaceutical UniversityGuangzhouGuangdongChina
| | - Yun Ma
- Department of PharmacyNanfang Hospital, Southern Medical UniversityGuangzhouGuangdongChina
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19
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Song P, Xu X, Zhao Y, Gu M, Chen X, Zhang H, Wu X, Yu C, Niu J, Ding W, Zhang S, Guo Q. Different stages of chronic kidney disease are associated with physical performance in adults over 60 years. Front Public Health 2022; 10:963913. [PMID: 36159314 PMCID: PMC9501662 DOI: 10.3389/fpubh.2022.963913] [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: 06/08/2022] [Accepted: 08/10/2022] [Indexed: 01/24/2023] Open
Abstract
Objective The purpose of this study was to determine the association between different stages of chronic kidney disease (CKD) and sarcopenia and its components in the Chinese older population. Methods The study comprised of 2,213 participants aged ≥ 60 years (1,025 men; mean age: 70.7 years) recruited from Shanghai who were invited to participate in a comprehensive geriatric assessment. Sarcopenia was defined according to the AWGS 2019 consensus update on sarcopenia diagnosis criteria. The glomerular filtration rate (GFR) was estimated using the equation that originated from the CKD-EPI equation, the stages of CKD are classified according to the Kidney Disease-Improving Global Outcomes (KDIGO). Results The overall prevalence of sarcopenia was 19.0%, which increased with the severity of CKD. The prevalence of sarcopenia in patients with CKD 3-4 and kidney failure was significantly higher than that in normal and CKD 1-2 (p < 0.05). In logistic regression analysis model, compared with normal and CKD 1 patients, kidney failure was significantly associated with the increased risk of sarcopenia and low grip strength (p < 0.05); CKD 2, CKD 3-4 and kidney failure groups were significantly associated with an increased risk of low walking speed (p < 0.05), respectively; while the association between CKD and muscle mass was not shown. Conclusions In our study, only decreased physical performance, as represented by walking speed, was significantly associated with increased CKD severity. This may improve the evidence for the prevention and intervention of sarcopenia in patients with CKD.
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Affiliation(s)
- Peiyu Song
- Jiangwan Hospital of Shanghai Hongkou District, Shanghai University of Medicine and Health Science Affiliated First Rehabilitation Hospital, Shanghai, China
| | - Xinghong Xu
- Shanghai Yongci Rehabilitation Hospital, Shanghai, China
| | - Yinjiao Zhao
- Jiangwan Hospital of Shanghai Hongkou District, Shanghai University of Medicine and Health Science Affiliated First Rehabilitation Hospital, Shanghai, China
| | - Minghong Gu
- Jiangwan Hospital of Shanghai Hongkou District, Shanghai University of Medicine and Health Science Affiliated First Rehabilitation Hospital, Shanghai, China
| | - Xiaoyu Chen
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Hui Zhang
- Jiangwan Hospital of Shanghai Hongkou District, Shanghai University of Medicine and Health Science Affiliated First Rehabilitation Hospital, Shanghai, China
| | - Xinze Wu
- Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Chen Yu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jianying Niu
- Department of Nephrology, The Fifth People's Hospital of Shanghai, Fudan University, Shanghai, China
| | - Wei Ding
- Department of Nephrology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Suhua Zhang
- Suzhou Kowloon Hospital, Shanghai Jiao Tong University School of Medicine, Suzhou, China,Suhua Zhang
| | - Qi Guo
- Jiangwan Hospital of Shanghai Hongkou District, Shanghai University of Medicine and Health Science Affiliated First Rehabilitation Hospital, Shanghai, China,Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences, Shanghai, China,*Correspondence: Qi Guo
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20
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Ho JQ, Abramowitz MK. Clinical Consequences of Metabolic Acidosis-Muscle. Adv Chronic Kidney Dis 2022; 29:395-405. [PMID: 36175077 DOI: 10.1053/j.ackd.2022.04.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 04/10/2022] [Accepted: 04/25/2022] [Indexed: 01/25/2023]
Abstract
Metabolic acidosis is common in people with chronic kidney disease and can contribute to functional decline, morbidity, and mortality. One avenue through which metabolic acidosis can result in these adverse clinical outcomes is by negatively impacting skeletal muscle; this can occur through several pathways. First, metabolic acidosis promotes protein degradation and impairs protein synthesis, which lead to muscle breakdown. Second, metabolic acidosis hinders mitochondrial function, which decreases oxidative phosphorylation and reduces energy production. Third, metabolic acidosis directly limits muscle contraction. The purpose of this review is to examine the specific mechanisms of each pathway through which metabolic acidosis affects muscle, the impact of metabolic acidosis on physical function, and the effect of treating metabolic acidosis on functional outcomes.
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Affiliation(s)
- Jim Q Ho
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY
| | - Matthew K Abramowitz
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY; Institute for Aging Research, Albert Einstein College of Medicine, Bronx, NY; Diabetes Research Center, Albert Einstein College of Medicine, Bronx, NY; Fleischer Institute for Diabetes and Metabolism, Albert Einstein College of Medicine, Bronx, NY.
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21
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Muscle Wasting in Chronic Kidney Disease: Mechanism and Clinical Implications—A Narrative Review. Int J Mol Sci 2022; 23:ijms23116047. [PMID: 35682722 PMCID: PMC9181340 DOI: 10.3390/ijms23116047] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/21/2022] [Accepted: 05/26/2022] [Indexed: 12/15/2022] Open
Abstract
Muscle wasting, known to develop in patients with chronic kidney disease (CKD), is a deleterious consequence of numerous complications associated with deteriorated renal function. Muscle wasting in CKD mainly involves dysregulated muscle protein metabolism and impaired muscle cell regeneration. In this narrative review, we discuss the cardinal role of the insulin-like growth factor 1 and myostatin signaling pathways, which have been extensively investigated using animal and human studies, as well as the emerging concepts in microRNA- and gut microbiota-mediated regulation of muscle mass and myogenesis. To ameliorate muscle loss, therapeutic strategies, including nutritional support, exercise programs, pharmacological interventions, and physical modalities, are being increasingly developed based on advances in understanding its underlying pathophysiology.
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22
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Chiu LT, Wang CH, Lin YL, Hsu BG. Association of serum fibroblast growth factor 21 levels with skeletal muscle mass and mortality in chronic hemodialysis patients. J Formos Med Assoc 2022; 121:2481-2489. [DOI: 10.1016/j.jfma.2022.05.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/10/2022] [Accepted: 05/12/2022] [Indexed: 01/11/2023] Open
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23
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Mohanty I, Banerjee S, Mahanty A, Mohanty S, Nayak NR, Parija SC, Mohanty BP. Proteomic Profiling and Pathway Analysis of Acid Stress-Induced Vasorelaxation of Mesenteric Arteries In Vitro. Genes (Basel) 2022; 13:801. [PMID: 35627186 PMCID: PMC9140505 DOI: 10.3390/genes13050801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/23/2022] [Accepted: 04/24/2022] [Indexed: 02/04/2023] Open
Abstract
Although metabolic acidosis is associated with numerous pathophysiological conditions and its vasorelaxation effects have been well described in different animal and culture models, the molecular mechanisms of acidosis-induced vasorelaxation are not fully understood. Mesenteric artery models have been used extensively to examine the vascular response to various pathophysiological conditions. Our previous studies and several other reports have suggested the vascular responses of goat mesenteric arteries and human arteries to various stimuli, including acidic stress, are highly similar. In this study, to further identify the signaling molecules responsible for altered vasoreactivity in response to acidic pH, we examined the proteomic profile of acid stress-induced vasorelaxation using a goat mesenteric artery model. The vascular proteomes under acidic pH were compared using 2D-GE with 7 cm IPG strips and mini gels, LC-MS/MS, and MALDI TOF MS. The unique proteins identified by mass spectroscopy were actin, transgelin, WD repeat-containing protein 1, desmin, tropomyosin, ATP synthase β, Hsp27, aldehyde dehydrogenase, pyruvate kinase, and vitamin K epoxide reductase complex subunit 1-like protein. Out of five protein spots identified as actin, three were upregulated > 2-fold. ATP synthase β was also upregulated (2.14-fold) under acid stress. Other actin-associated proteins upregulated were transgelin, desmin, and WD repeat-containing protein 1. Isometric contraction studies revealed that both receptor-mediated (histamine) and non-receptor-mediated (KCl) vasocontraction were attenuated, whereas acetylcholine-induced vasorelaxation was augmented under acidosis. Overall, the altered vasoreactivity under acidosis observed in the functional studies could possibly be attributed to the increase in expression of actin and ATP synthase β.
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Affiliation(s)
- Ipsita Mohanty
- ICAR-Central Inland Fisheries Research Institute, Biochemistry Laboratory, Proteomics Unit, Barrackpore, Kolkata 700120, India; (I.M.); (S.B.); (A.M.)
- Department of Pharmacology and Toxicology, College of Veterinary Sciences and Animal Husbandry, Orissa University of Agriculture and Technology, Bhubaneswar 751003, India;
- Departments of Pediatrics, Children’s Hospital of Philadelphia Research Institute, The Raymond and Ruth Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Sudeshna Banerjee
- ICAR-Central Inland Fisheries Research Institute, Biochemistry Laboratory, Proteomics Unit, Barrackpore, Kolkata 700120, India; (I.M.); (S.B.); (A.M.)
| | - Arabinda Mahanty
- ICAR-Central Inland Fisheries Research Institute, Biochemistry Laboratory, Proteomics Unit, Barrackpore, Kolkata 700120, India; (I.M.); (S.B.); (A.M.)
- ICAR-National Rice Research Institute, Cuttack 753006, India
| | - Sasmita Mohanty
- Department of Biotechnology, Faculty of Science & Technology, Rama Devi Women’s University, Bhubaneswar 751022, India;
| | - Nihar Ranjan Nayak
- Department of Obstetrics and Gynecology, UMKC School of Medicine, Kansas City, MO 64108, USA
| | - Subas Chandra Parija
- Department of Pharmacology and Toxicology, College of Veterinary Sciences and Animal Husbandry, Orissa University of Agriculture and Technology, Bhubaneswar 751003, India;
| | - Bimal Prasanna Mohanty
- ICAR-Central Inland Fisheries Research Institute, Biochemistry Laboratory, Proteomics Unit, Barrackpore, Kolkata 700120, India; (I.M.); (S.B.); (A.M.)
- Indian Council of Agricultural Research (ICAR), ICAR-Fisheries Science Division, Room No. 308, Krishi Anusandhan Bhawan II, New Delhi 110012, India
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24
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Baker LA, O'Sullivan TF, Robinson KA, Graham-Brown MPM, Major RW, Ashford RU, Smith AC, Philp A, Watson EL. Primary skeletal muscle cells from chronic kidney disease patients retain hallmarks of cachexia in vitro. J Cachexia Sarcopenia Muscle 2022; 13:1238-1249. [PMID: 35029054 PMCID: PMC8978027 DOI: 10.1002/jcsm.12802] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 07/23/2021] [Accepted: 08/23/2021] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Skeletal muscle wasting and dysfunction are common characteristics noted in people who suffer from chronic kidney disease (CKD). The mechanisms by which this occurs are complex, and although progress has been made, the key underpinning mechanisms are not yet fully elucidated. With work to date primarily conducted in nephrectomy-based animal models, translational capacity to our patient population has been challenging. This could be overcome if rationale developing work could be conducted in human based models with greater translational capacity. This could be achieved using cells derived from patient biopsies, if they retain phenotypic traits noted in vivo. METHODS Here, we performed a systematic characterization of CKD derived muscle cells (CKD; n = 10; age: 54.40 ± 15.53 years; eGFR: 22.25 ± 13.22 ml/min/1.73 m2 ) in comparison with matched controls (CON; n = 10; age: 58.66 ± 14.74 years; eGFR: 85.81 ± 8.09 ml/min/1.73 m2 ). Harvested human derived muscle cells (HDMCs) were taken through proliferative and differentiation phases and investigated in the context of myogenic progression, inflammation, protein synthesis, and protein breakdown. Follow up investigations exposed HDMC myotubes from each donor type to 0, 0.4, and 100 nM of IGF-1 in order to investigate any differences in anabolic resistance. RESULTS Harvested human derived muscle cells isolated from CKD patients displayed higher rates of protein degradation (P = 0.044) alongside elevated expression of both TRIM63 (2.28-fold higher, P = 0.054) and fbox32 (6.4-fold higher, P < 0.001) in comparison with CONs. No differences were noted in rates of protein synthesis under basal conditions (P > 0.05); however, CKD derived cells displayed a significant degree of anabolic resistance in response to IGF-1 stimulation (both doses) in comparison with matched CONs (0.4 nm: P < 0.001; 100 nM: P < 0.001). CONCLUSIONS In summary, we report for the first time that HDMCs isolated from people suffering from CKD display key hallmarks of the well documented in vivo phenotype. Not only do these findings provide further mechanistic insight into CKD specific cachexia, but they also demonstrate this is a reliable and suitable model in which to perform targeted experiments to begin to develop novel therapeutic strategies targeting the CKD associated decline in skeletal muscle mass and function.
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Affiliation(s)
- Luke A Baker
- Department of Health Sciences, University of Leicester, Leicester, UK
| | | | | | - Matthew P M Graham-Brown
- John Walls Renal Unit, University Hospitals of Leicester NHS Trust, Leicester, UK.,Department of Cardiovascular Science, NIHR Leicester Cardiovascular Biomedical Research Unit, Leicester, UK
| | - Rupert W Major
- Department of Health Sciences, University of Leicester, Leicester, UK.,John Walls Renal Unit, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Robert U Ashford
- Leicester Orthopaedics, University Hospitals of Leicester, Leicester, UK.,Department of Cancer Studies, University of Leicester, Leicester, UK
| | - Alice C Smith
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - Andrew Philp
- Mitochondrial Metabolism and Ageing Laboratory, Garvan Institute of Medical Research, Sydney, NSW, Australia.,St Vincent's Clinical School, UNSW Medicine, UNSW, Sydney, NSW, Australia
| | - Emma L Watson
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
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25
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Gonzalez P, Lozano P, Solano F. Unraveling the Metabolic Hallmarks for the Optimization of Protein Intake in Pre-Dialysis Chronic Kidney Disease Patients. Nutrients 2022; 14:nu14061182. [PMID: 35334840 PMCID: PMC8954715 DOI: 10.3390/nu14061182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/28/2022] [Accepted: 03/10/2022] [Indexed: 02/04/2023] Open
Abstract
The daily amount and quality of protein that should be administered by enteral nutrition in pre-dialysis chronic kidney disease (CKD) patients is a widely studied but still controversial issue. This is due to a compromise between the protein necessary to maintain muscular proteostasis avoiding sarcopenia, and the minimal amount required to prevent uremia and the accumulation of nitrogenous toxic substances in blood because of the renal function limitations. This review underlines some intracellular and extracellular features that should be considered to reconcile those two opposite factors. On one hand, the physiological conditions and usual side effects associated with CKD, mTOR and other proteins and nutrients involved in the regulation of protein synthesis in the muscular tissue are discussed. On the other hand, the main digestive features of the most common proteins used for enteral nutrition formulation (i.e., whey, casein and soy protein) are highlighted, due to the importance of supplying key amino acids to serum and tissues to maintain their concentration above the anabolic threshold needed for active protein synthesis, thereby minimizing the catabolic pathways leading to urea formation.
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Affiliation(s)
- Patricia Gonzalez
- Project Manager, Fresenius Kabi España, Sociedad Anonima Unipersonal, Marina 16-18, 08005 Barcelona, Spain
- Correspondence: (P.G.); (F.S.)
| | - Pedro Lozano
- Department of Biochemistry and Molecular Biology “B” and Immunology, Faculty of Chemistry, Campus de Espinardo, University of Murcia, 30100 Murcia, Spain;
| | - Francisco Solano
- Department of Biochemistry and Molecular Biology “B” and Immunology, IMIB (Murcian Institute of Health Research), Faculty of Medicine, Campus de Espinardo, University of Murcia, 30100 Murcia, Spain
- Correspondence: (P.G.); (F.S.)
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26
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The Role of Lifestyle Intervention, in Addition to Drugs, for Diabetic Kidney Disease with Sarcopenic Obesity. Life (Basel) 2022; 12:life12030380. [PMID: 35330131 PMCID: PMC8954787 DOI: 10.3390/life12030380] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/03/2022] [Accepted: 03/03/2022] [Indexed: 12/15/2022] Open
Abstract
Diabetic kidney disease is the leading cause of end-stage renal disease in developing and developed countries. The growing prevalence and clinical challenges of sarcopenic obesity have been associated with the frailty and disability of diabetic kidney disease. It has been reported that insulin resistance, chronic inflammation, enhanced oxidative stress and lipotoxicity contribute to the pathophysiology of muscle loss and visceral fat accumulation. Sarcopenic obesity, which is diagnosed with dual-energy X-ray absorptiometry, is associated with worse outcomes in kidney disease. Growing evidence indicates that adherence to healthy lifestyles, including low protein diet, proper carbohydrate control, vitamin D supplement, and regular physical training, has been shown to improve clinical prognosis. Based on the higher risk of sarcopenic-obesity-related renal function decline, it has led to the exploration and investigation of the pathophysiology, clinical aspects, and novel approach of these controversial issues in daily practice.
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27
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Han S, Cui C, Zhao X, Zhang Y, Zhang Y, Zhao J, Shen X, He H, Wang J, Ma M, Li D, Zhu Q, Yin H. Filamin C regulates skeletal muscle atrophy by stabilizing dishevelled-2 to inhibit autophagy and mitophagy. MOLECULAR THERAPY - NUCLEIC ACIDS 2022; 27:147-164. [PMID: 34976434 PMCID: PMC8683659 DOI: 10.1016/j.omtn.2021.11.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 11/28/2021] [Indexed: 11/16/2022]
Abstract
FilaminC (Flnc) is a member of the actin binding protein family, which is preferentially expressed in the cardiac and skeletal muscle tissues. Although it is known to interact with proteins associated with myofibrillar myopathy, its unique role in skeletal muscle remains largely unknown. In this study, we identify the biological functions of Flnc in vitro and in vivo using chicken primary myoblast cells and animal models, respectively. From the results, we observe that the growth rate and mass of the skeletal muscle of fast-growing chickens (broilers) were significantly higher than those in slow-growing chickens (layers). Furthermore, we find that the expression of Flnc in the skeletal muscle of broilers was higher than that in the layers. Our results indicated that Flnc was highly expressed in the skeletal muscle, especially in the skeletal muscle of broilers than in layers. This suggests that Flnc plays a positive regulatory role in myoblast development. Flnc knockdown resulted in muscle atrophy, whereas the overexpression of Flnc promotes muscle hypertrophy in vivo in an animal model. We also found that Flnc interacted with dishevelled-2 (Dvl2), activated the wnt/β-catenin signaling pathway, and controlled skeletal muscle development. Flnc also antagonized the LC3-mediated autophagy system by decreasing Dvl2 ubiquitination. Moreover, Flnc knockdown activated and significantly increased mitophagy. In summary, these results indicate that the absence of Flnc induces autophagy or mitophagy and regulates muscle atrophy.
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Affiliation(s)
- Shunshun Han
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Can Cui
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Xiyu Zhao
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Yao Zhang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Yun Zhang
- College of Management, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Jing Zhao
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Xiaoxu Shen
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Haorong He
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Jianping Wang
- Key Laboratory for Animal Disease Resistance Nutrition of China, Institute of Animal Nutrition, Ministry of Education, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Menggen Ma
- College of Resources, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Diyan Li
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Qing Zhu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
- Corresponding author Qing Zhu, Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
| | - Huadong Yin
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
- Corresponding author Huadong Yin, Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
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28
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Meléndez-Oliva E, Sánchez-Vera Gómez-Trelles I, Segura-Orti E, Pérez-Domínguez B, García-Maset R, García-Testal A, Lavandera-Díaz JL. Effect of an aerobic and strength exercise combined program on oxidative stress and inflammatory biomarkers in patients undergoing hemodialysis: a single blind randomized controlled trial. Int Urol Nephrol 2022; 54:2393-2405. [PMID: 35199237 DOI: 10.1007/s11255-022-03146-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 02/09/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND Chronic kidney disease patients on hemodialysis treatment are characterized by increased levels of inflammatory markers and oxidative stress, in addition to a significant deterioration in physical function. The benefits of physical exercise on the functional capacity of this patients are well known; however, it can also improve the endogenous antioxidant defense system and the inflammatory state, but still very few studies have been carried out. This is the first study to analyze the effect of a 4-month exercise program with combined aerobic and strength training in patients undergoing hemodialysis, under two modalities. METHODS Seventy-one patients undergoing hemodialysis were enrolled and randomized in two groups, one of them performing an intra-dialysis exercise program (n = 36), and the other carrying out a home-based exercise program (n = 35). Serum levels of oxidative stress and inflammation biomarkers were determined before and after the intervention. RESULTS IL-6 plasma levels showed a significant decrease in the intra-dialysis group after exercise (42.61 ± 9.21 to 26.40 ± 7.84, p = 0.03), while CRP levels decreased significantly in the home-based group (16.12 ± 24.18 to 8.50 ± 11.28, p = 0.03). MCP-1, TNF-α, ICAM-1 and the oxidative stress markers MDA, GSH and GSSG, did not undergo significant changes after the intervention. CONCLUSION Four months of combined strength and aerobic endurance exercise improve the inflammatory status of hemodialysis patients by significantly reducing IL-6 levels in those subjects who perform intra-dialysis exercise and CRP levels in those who do it at home.
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Affiliation(s)
- Erika Meléndez-Oliva
- Department of Biomedical Sciences, Universidad CEU Cardenal Herrera, CEU Universities, Elche, Spain.
| | | | - Eva Segura-Orti
- Department of Physiotherapy, Universidad CEU Cardenal Herrera, CEU Universities, Valencia, Spain
| | - Borja Pérez-Domínguez
- Department of Physiotherapy, Universidad CEU Cardenal Herrera, CEU Universities, Valencia, Spain
| | | | | | - Jose Luis Lavandera-Díaz
- Department of Basic Medical Sciences. Medical School, Universidad CEU San Pablo, CEU Universities, Madrid, Spain.
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29
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Crislip GR, Wohlgemuth SE, Wolff CA, Gutierrez-Monreal MA, Douglas CM, Ebrahimi E, Cheng KY, Masten SH, Barral D, Bryant AJ, Esser KA, Gumz ML. Apparent Absence of BMAL1-Dependent Skeletal Muscle-Kidney Cross Talk in Mice. Biomolecules 2022; 12:261. [PMID: 35204763 PMCID: PMC8961518 DOI: 10.3390/biom12020261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/26/2022] [Accepted: 01/28/2022] [Indexed: 12/05/2022] Open
Abstract
BMAL1 is a core mammalian circadian clock transcription factor responsible for the regulation of the expression of thousands of genes. Previously, male skeletal-muscle-specific BMAL1-inducible-knockout (iMS-BMAL1 KO) mice have been described as a model that exhibits an aging-like phenotype with an altered gait, reduced mobility, muscle weakness, and impaired glucose uptake. Given this aging phenotype and that chronic kidney disease is a disease of aging, the goal of this study was to determine if iMS-BMAL1 KO mice exhibit a renal phenotype. Male iMS-BMAL1 KO and control mice were challenged with a low potassium diet for five days. Both genotypes responded appropriately by conserving urinary potassium. The iMS-BMAL1 KO mice excreted less potassium during the rest phase during the normal diet but there was no genotype difference during the active phase. Next, iMS-BMAL1 KO and control mice were used to compare markers of kidney injury and assess renal function before and after a phase advance protocol. Following phase advance, no differences were detected in renal mitochondrial function in iMS-BMAL1 KO mice compared to control mice. Additionally, the glomerular filtration rate and renal morphology were similar between groups in response to phase advance. Disruption of the clock in skeletal muscle tissue activates inflammatory pathways within the kidney of male mice, and there is evidence of this affecting other organs, such as the lungs. However, there were no signs of renal injury or altered function following clock disruption of skeletal muscle under the conditions tested.
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Affiliation(s)
- Gene Ryan Crislip
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (G.R.C.); (C.A.W.); (M.A.G.-M.); (C.M.D.); (K.-Y.C.)
- Department of Medicine, Division of Nephrology, Hypertension, and Renal Transplantation, College of Medicine, University of Florida, Gainesville, FL 32610, USA;
| | - Stephanie E. Wohlgemuth
- Department of Aging and Geriatric Research, College of Medicine, University of Florida, Gainesville, FL 32610, USA;
| | - Christopher A. Wolff
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (G.R.C.); (C.A.W.); (M.A.G.-M.); (C.M.D.); (K.-Y.C.)
| | - Miguel A. Gutierrez-Monreal
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (G.R.C.); (C.A.W.); (M.A.G.-M.); (C.M.D.); (K.-Y.C.)
| | - Collin M. Douglas
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (G.R.C.); (C.A.W.); (M.A.G.-M.); (C.M.D.); (K.-Y.C.)
| | - Elnaz Ebrahimi
- Department of Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (E.E.); (A.J.B.)
| | - Kit-Yan Cheng
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (G.R.C.); (C.A.W.); (M.A.G.-M.); (C.M.D.); (K.-Y.C.)
| | - Sarah H. Masten
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (S.H.M.); (D.B.)
| | - Dominique Barral
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (S.H.M.); (D.B.)
| | - Andrew J. Bryant
- Department of Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (E.E.); (A.J.B.)
| | - Karyn A. Esser
- Department of Medicine, Division of Nephrology, Hypertension, and Renal Transplantation, College of Medicine, University of Florida, Gainesville, FL 32610, USA;
- Myology Institute, University of Florida, Gainesville, FL 32610, USA
| | - Michelle L. Gumz
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (G.R.C.); (C.A.W.); (M.A.G.-M.); (C.M.D.); (K.-Y.C.)
- Department of Medicine, Division of Nephrology, Hypertension, and Renal Transplantation, College of Medicine, University of Florida, Gainesville, FL 32610, USA;
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA; (S.H.M.); (D.B.)
- Center for Integrative Cardiovascular and Metabolic Disease, University of Florida, Gainesville, FL 32610, USA
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30
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Mohammadpour S, Ghorbaninejad P, Shahavandi M, Shab-Bidar S. Interaction of dietary acid load and general and central obesity with muscle strength and skeletal muscle mass. Clin Nutr ESPEN 2022; 48:361-369. [DOI: 10.1016/j.clnesp.2022.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 01/04/2022] [Accepted: 01/18/2022] [Indexed: 11/29/2022]
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31
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Yu MY, Park JH, Kim YC, Park JY, Cha RH. Comparison of intradialytic neuromuscular electrical stimulation and oral nutritional supplements in hemodialysis patients: study protocol for a multicenter, parallel-group, randomized controlled trial in Korea. Trials 2021; 22:942. [PMID: 34930408 PMCID: PMC8686339 DOI: 10.1186/s13063-021-05918-x] [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: 04/02/2021] [Accepted: 12/06/2021] [Indexed: 11/29/2022] Open
Abstract
Background The prevalence of sarcopenia increases as renal function decreases, and a considerable number of hemodialysis (HD) patients have sarcopenia. Exercise and nutritional support are established interventions to prevent and treat sarcopenia. Recently, many studies evaluating intradialytic neuromuscular electrical stimulation (NMES) showed improvement of muscular strength and mass, functional capacity, and quality of life (QOL). However, there has been no research about the effect of simultaneous nutritional support and NMES in HD patients. Methods This is a 12-week, randomized controlled, parallel-group, multicenter trial of intradialytic NMES and protein supplementation for HD patients. Seventy-two patients receiving HD will be randomly assigned in a 1:1:1:1 ratio to control, intradialytic NMES only, protein supplementation only, and intradialytic NMES combined with protein supplementation groups. NMES will be delivered to a total of four areas of the bilateral vastus medialis and vastus lateralis using a 4-channel NMES instrument. A total of 25 g of protein supplements will be provided at the beginning of every dialysis session or after the NMES. The primary endpoint is the difference of hand grip and leg muscle strength at 12 weeks among 4 treatment groups. Secondary endpoints include muscle mass, physical performances, and questionnaires about QOL and physical activity. Discussion In this study, we will evaluate the differential effectiveness of nutritional support and NMES during HD on muscle strength, muscle mass, physical function, and QOL. We expect that this study can provide guidelines for a new therapeutic option for HD patients who are unable or hesitant to exercise. Furthermore, this option can offer an opportunity to improve the physical function, QOL, and prognosis of HD patients. Trial registration Clinical Research Information Service (CRIS), Korea, KCT0005573. Retrospectively registered on 03 November 2020
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Affiliation(s)
- Mi-Yeon Yu
- Department of Internal Medicine, Hanyang University Guri Hospital, Guri, Gyeonggi-do, Republic of Korea
| | - Jae Hyeon Park
- Department of Rehabilitation Medicine, Hanyang University Guri Hospital, Guri, Gyeonggi-do, Republic of Korea
| | - Yong Chul Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jae Yoon Park
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Ilsan, Gyeonggi-do, Republic of Korea
| | - Ran-Hui Cha
- Department of Internal Medicine, National Medical Center, 245, Eulji-ro, Jung-gu, Seoul, 04564, Republic of Korea.
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32
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Mak RH, Querfeld U, Gonzalez A, Gunta S, Cheung WW. Differential Effects of 25-Hydroxyvitamin D 3 versus 1α 25-Dihydroxyvitamin D 3 on Adipose Tissue Browning in CKD-Associated Cachexia. Cells 2021; 10:3382. [PMID: 34943890 PMCID: PMC8699879 DOI: 10.3390/cells10123382] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/22/2021] [Accepted: 11/26/2021] [Indexed: 11/16/2022] Open
Abstract
Patients with chronic kidney disease (CKD) often have low serum concentrations of 25(OH)D3 and 1,25(OH)2D3. We investigated the differential effects of 25(OH)D3 versus 1,25(OH)2D3 repletion in mice with surgically induced CKD. Intraperitoneal supplementation of 25(OH)D3 (75 μg/kg/day) or 1,25(OH)2D3 (60 ng/kg/day) for 6 weeks normalized serum 25(OH)D3 or 1,25(OH)2D3 concentrations in CKD mice, respectively. Repletion of 25(OH)D3 normalized appetite, significantly improved weight gain, increased fat and lean mass content and in vivo muscle function, as well as attenuated elevated resting metabolic rate relative to repletion of 1,25(OH)2D3 in CKD mice. Repletion of 25(OH)D3 in CKD mice attenuated adipose tissue browning as well as ameliorated perturbations of energy homeostasis in adipose tissue and skeletal muscle, whereas repletion of 1,25(OH)2D3 did not. Significant improvement of muscle fiber size and normalization of fat infiltration of gastrocnemius was apparent with repletion of 25(OH)D3 but not with 1,25(OH)2D3 in CKD mice. This was accompanied by attenuation of the aberrant gene expression of muscle mass regulatory signaling, molecular pathways related to muscle fibrosis as well as muscle expression profile associated with skeletal muscle wasting in CKD mice. Our findings provide evidence that repletion of 25(OH)D3 exerts metabolic advantages over repletion of 1,25(OH)2D3 by attenuating adipose tissue browning and muscle wasting in CKD mice.
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Affiliation(s)
- Robert H. Mak
- Division of Pediatric Nephrology, Rady Children’s Hospital, University of California, San Diego, CA 92093, USA; (A.G.); (S.G.); (W.W.C.)
| | - Uwe Querfeld
- Department of Paediatric Gastroenterology, Nephrology and Metabolic Diseases, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany;
| | - Alex Gonzalez
- Division of Pediatric Nephrology, Rady Children’s Hospital, University of California, San Diego, CA 92093, USA; (A.G.); (S.G.); (W.W.C.)
| | - Sujana Gunta
- Division of Pediatric Nephrology, Rady Children’s Hospital, University of California, San Diego, CA 92093, USA; (A.G.); (S.G.); (W.W.C.)
- Pediatric Services, Vista Community Clinic, Vista, CA 92084, USA
| | - Wai W. Cheung
- Division of Pediatric Nephrology, Rady Children’s Hospital, University of California, San Diego, CA 92093, USA; (A.G.); (S.G.); (W.W.C.)
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Hara M, Nishida Y, Tanaka K, Shimanoe C, Koga K, Furukawa T, Higaki Y, Shinchi K, Ikezaki H, Murata M, Takeuchi K, Tamura T, Hishida A, Tsukamoto M, Kadomatsu Y, Matsuo K, Oze I, Haruo M, Miho K, Takezaki T, Ibusuki R, Suzuki S, Nakagawa-Senda H, Matsui D, Koyama T, Kuriki K, Takashima N, Nakamura Y, Arisawa K, Katsuura-Kamano S, Wakai K. Moderate-to-vigorous physical activity and sedentary behavior are independently associated with renal function: a cross-sectional study. J Epidemiol 2021. [PMID: 34657911 PMCID: PMC10165219 DOI: 10.2188/jea.je20210155] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Little is known about whether insufficient moderate-to-vigorous physical activity (MVPA) and longer sedentary behavior (SB) are independently associated with estimated glomerular filtration rate (eGFR) and CKD, whether they interact with known risk factors for CKD, and the effect of replacing sedentary time with an equivalent duration of physical activity on kidney function. METHODS We examined the cross-sectional association of MVPA and SB with eGFR and CKD in 66,603 Japanese cohort study in 14 areas from 2004 to 2013. MVPA and SB were estimated using a self-reported questionnaire, and CKD was defined as eGFR<60 mL/min/1.73 m2. Multiple linear regression analyses, logistic regression analyses, and an isotemporal substitution model were applied. RESULTS After adjusting for potential confounders, higher MVPA and longer SB were independently associated with higher eGFR (Pfor trend MVPA<0.0001) and lower eGFR (Pfor trend SB<0.0001), and a lower odds ratio (OR) of CKD (adjusted OR of MVPA≥20 MET·h/day: 0.76 [95%CI: 0.68-0.85] compared to MVPA<5 MET·h/day) and a higher OR of CKD (adjusted OR of SB≥16 h/day: 1.81 [95%CI: 1.52-2.15] compared to SB<7 h/day), respectively. The negative association between MVPA and CKD was stronger in men, and significant interactions between sex and MVPA were detected. Replacing 1 hour of SB with 1 hour of physical activity was associated with about 3 to 4% lower OR of CKD. CONCLUSIONS These findings indicate that replacing SB with physical activity may benefit kidney function, especially in men, adding to the possible evidence on CKD prevention.
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Affiliation(s)
- Megumi Hara
- Department of Preventive Medicine, Faculty of Medicine, Saga University
| | - Yuichiro Nishida
- Department of Preventive Medicine, Faculty of Medicine, Saga University
| | - Keitaro Tanaka
- Department of Preventive Medicine, Faculty of Medicine, Saga University
| | - Chisato Shimanoe
- Department of Preventive Medicine, Faculty of Medicine, Saga University.,Clinical Research Center, Saga University Hospital
| | - Kayoko Koga
- Department of Preventive Medicine, Faculty of Medicine, Saga University
| | - Takuma Furukawa
- Department of Preventive Medicine, Faculty of Medicine, Saga University
| | - Yasuki Higaki
- Laboratory of Exercise Physiology, Faculty of Sports and Health Science, Fukuoka University
| | - Koichi Shinchi
- Division of International Health and Nursing, Faculty of Medicine, Saga University
| | - Hiroaki Ikezaki
- Department of Comprehensive General Internal Medicine, Kyushu University Graduate School of Medical Sciences Faculty of Medical Sciences
| | - Masayuki Murata
- Department of General Internal Medicine, Kyushu University Hospital
| | - Kenji Takeuchi
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
| | - Takashi Tamura
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
| | - Asahi Hishida
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
| | - Mineko Tsukamoto
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
| | - Yuka Kadomatsu
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
| | - Keitaro Matsuo
- Division of Cancer Epidemiology and Prevention, Aichi Cancer Center Research Institute.,Division of Cancer Epidemiology, Nagoya University Graduate School of Medicine
| | - Isao Oze
- Division of Cancer Epidemiology and Prevention, Aichi Cancer Center Research Institute
| | - Mikami Haruo
- Cancer Prevention Center, Chiba Cancer Center Research Institute
| | - Kusakabe Miho
- Cancer Prevention Center, Chiba Cancer Center Research Institute
| | - Toshiro Takezaki
- Department of International Island and Community Medicine, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Rie Ibusuki
- Department of International Island and Community Medicine, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Sadao Suzuki
- Department of Public Health, Nagoya City University Graduate School of Medical Sciences
| | - Hiroko Nakagawa-Senda
- Department of Public Health, Nagoya City University Graduate School of Medical Sciences
| | - Daisuke Matsui
- Department of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine
| | - Teruhide Koyama
- Department of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine
| | - Kiyonori Kuriki
- Laboratory of Public Health, Division of Nutritional Sciences, School of Food and Nutritional Sciences, University of Shizuoka
| | - Naoyuki Takashima
- Department of Public Health, Faculty of Medicine, Kindai University.,Department of Public Health, Shiga University of Medical Science
| | - Yasuyuki Nakamura
- Department of Public Health, Shiga University of Medical Science.,Yamashina Racto Clinic and Medical Examination Center
| | - Kokichi Arisawa
- Department of Preventive Medicine, Tokushima University Graduate School of Biomedical Sciences
| | | | - Kenji Wakai
- Department of Preventive Medicine, Nagoya University Graduate School of Medicine
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Yun HR, Kim HW, Chang TI, Kang EW, Joo YS, Nam KH, Kim H, Park JT, Yoo TH, Kang SW, Han SH. Increased Risk of Chronic Kidney Disease Associated With Weight Gain in Healthy Adults: Insight From Metabolic Profiles and Body Composition. Front Med (Lausanne) 2021; 8:705881. [PMID: 34650992 PMCID: PMC8508617 DOI: 10.3389/fmed.2021.705881] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 08/30/2021] [Indexed: 12/28/2022] Open
Abstract
Objective: Obesity is an established risk factor for kidney damage. In this study, we explored the long-term association of changes in body mass index (BMI) over time with incident chronic kidney disease (CKD). Methods: For this analysis, 5,393 middle-aged adults without comorbidities in the Korean Genome and Epidemiology Study (KoGES) were included. Group-based trajectory modeling was used to determine the patterns of BMI change (decreasing, stable, and increasing BMI) between baseline and year 4. The primary outcome was the subsequent development of CKD from year 4. A multivariable Cox proportional hazards model was constructed to determine the risk of incident CKD according to BMI trajectories. Results: During 55,327 person-years, incident CKD occurred in 354 (6.5%) participants; 6.0, 6.1, and 7.8 per 1,000 person-years across the trajectories, respectively (P = 0.005). In the multivariable-adjusted Cox proportional hazards model, the increasing BMI trajectory was associated with a 1.4-fold [hazard ratio (HR), 1.41; 95% CI, 1.06–1.87] a higher risk of incident CKD compared with stable BMI trajectory. This association was stronger for overweight and obese individuals. The HRs for CKD development in these two groups were 1.6 (95% CI, 1.06–1.87) and 2.2 (95% CI, 1.40–3.48), respectively. While the increasing BMI group was gaining weight, there were concomitant increases in blood pressure, insulin resistance, serum concentrations of total cholesterol, triglyceride, and high-sensitivity C-reactive protein (hs-CRP), and fat mass, but high-density lipoprotein (HDL)-cholesterol level and muscle-to-fat (MF) ratio decreased. Conclusion: Weight gain is associated with an increased risk of incident CKD in healthy adults. This association is attributed to worsening metabolic profiles and increasing fat mass.
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Affiliation(s)
- Hae-Ryong Yun
- Division of Nephrology, Department of Internal Medicine, Yongin Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea.,Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, South Korea
| | - Hyung Woo Kim
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, South Korea
| | - Tae Ik Chang
- Department of Internal Medicine, National Health Insurance Service Medical Center, Ilsan Hospital, Goyang, South Korea
| | - Ea Wha Kang
- Division of Nephrology, Department of Internal Medicine, Yongin Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Young Su Joo
- Division of Nephrology, Department of Internal Medicine, Yongin Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Ki Heon Nam
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, South Korea
| | - Hyoungnae Kim
- Division of Nephrology, Soonchunhyang University Hospital, Seoul, South Korea
| | - Jung Tak Park
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, South Korea
| | - Tae-Hyun Yoo
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, South Korea
| | - Shin-Wook Kang
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, South Korea.,Department of Internal Medicine, College of Medicine, Severance Biomedical Science Institute, Brain Korea 21 PLUS, Yonsei University, Seoul, South Korea
| | - Seung Hyeok Han
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, South Korea
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Wu L, Liu Y, Wu L, Yang J, Jiang T, Li M. Effects of exercise on markers of inflammation and indicators of nutrition in patients with chronic kidney disease: a systematic review and meta-analysis. Int Urol Nephrol 2021; 54:815-826. [PMID: 34255271 DOI: 10.1007/s11255-021-02949-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 07/07/2021] [Indexed: 12/12/2022]
Abstract
PURPOSE This meta-analysis aimed to reveal the effects of exercise training on markers of inflammation and indicators of nutrition in non-dialysis-dependent patients with chronic kidney disease (NDD-CKD). METHODS We searched the MEDLINE, EMBASE, CENTRAL, Web of Science, CINAHL, CNKI, WANFANE, VIP, and CBM databases, from their inception up to October 2020 to identify randomized controlled trials that examined the effects of exercise training on inflammation and nutrition in NDD-CKD patients. A total of 16 trials, comprising 724 patients, were included in the analysis. RESULTS The BMI (P = 0.005) and waist circumference (P = 0.004) decreased significantly after exercise training in NDD-CKD patients. Similarly, IL-6 (P = 0.03) decreased after exercise training in NDD-CKD patients. However, serum albumin level, body fat, CRP and hs-CRP were not different between patients who received exercise training and those who received usual care. Furthermore, BMI (P = 0.009), body weight (P = 0.009), and waist circumference (P = 0.010) were decreased in overweight patients (BMI ≧ 25 kg/m2). Moreover, BMI (P = 0.003), body weight (P = 0.005), and waist circumference (P = 0.007) reduced when the length of intervention exceeded 48 weeks. Subgroup analyses revealed no significant alteration of serum albumin, body fat, CRP, or hs-CRP, when studies were divided based on BMI or intervention duration. CONCLUSION Overall, these findings suggest that exercise training may improve inflammation status in NDD-CKD patients, and enhance weight loss in obese adult CKD patients. Registration number: INPLASY2020100025.
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Affiliation(s)
- Lihua Wu
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
| | - Yu Liu
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
| | - Ling Wu
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
| | - Ju Yang
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
| | - Ting Jiang
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
| | - Mingquan Li
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China.
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Yoshioka M, Kosaki K, Matsui M, Takahashi K, Shibata A, Oka K, Kuro-O M, Saito C, Yamagata K, Maeda S. Physical Activity, Sedentary Behavior, and Skeletal Muscle Strength in Patients With Chronic Kidney Disease: An Isotemporal Substitution Approach. Phys Ther 2021; 101:6189158. [PMID: 33774676 DOI: 10.1093/ptj/pzab101] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 12/22/2020] [Accepted: 02/22/2021] [Indexed: 11/13/2022]
Abstract
OBJECTIVE Insufficient physical activity and excessive sedentary behavior can contribute to decreased skeletal muscle strength, which is strongly associated with increased mortality in patients with chronic kidney disease (CKD). However, the potential impact of replacing sedentary behavior with physical activity on skeletal muscle strength remains unclear in these individuals. The purpose of this study was to examine the associations of physical activity, sedentary behavior, and skeletal muscle strength in patients with CKD using an isotemporal substitution model to estimate the associations on replacing time from one behavior to another while keeping the total time and other behaviors fixed. METHODS A total of 108 patients with CKD (mean age = 65 [SD = 9] y; mean estimated glomerular filtration rate = 57 [SD = 22] mL/min/1.73 m2) participated in this cross-sectional analysis study. The time spent in sedentary behavior, light-intensity physical activity, and moderate- to vigorous-intensity physical activity (MVPA) was assessed using a triaxial accelerometer. Handgrip strength, isometric knee extension strength, and 30-second chair stand test were used to measure skeletal muscle strength. RESULTS In multivariate analyses (single-factor and partition models), the time spent in MVPA was beneficially associated with both isometric knee extension strength and 30-second chair stand test. Furthermore, the isotemporal substitution model found that replacing 10 min/d of sedentary behavior or light-intensity physical activity with equivalent MVPA time was beneficially associated with both isometric knee extension strength and 30-second chair stand test. CONCLUSION These cross-sectional findings indicate that MVPA time is beneficially associated with lower extremity muscle strength and that a slight increase in the MVPA time may contribute to maintaining skeletal muscle strength in patients with CKD. IMPACT Increasing the time spent in MVPA (10 min/d) may be a feasible strategy in patients with CKD who have a high prevalence of impaired physical function.
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Affiliation(s)
- Masaki Yoshioka
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan.,Japan Society for the Promotion of Science, Chiyoda-ku, Tokyo, Japan
| | - Keisei Kosaki
- Faculty of Health and Sport Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Masahiro Matsui
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan.,Japan Society for the Promotion of Science, Chiyoda-ku, Tokyo, Japan
| | - Kanako Takahashi
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Ai Shibata
- Faculty of Health and Sport Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Koichiro Oka
- Faculty of Sport Sciences,Waseda University, Saitama, Japan
| | - Makoto Kuro-O
- Division of Anti-aging Medicine, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Chie Saito
- Factory of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | | | - Seiji Maeda
- Faculty of Health and Sport Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan.,Faculty of Sport Sciences,Waseda University, Saitama, Japan
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Avin KG, Hughes MC, Chen NX, Srinivasan S, O’Neill KD, Evan AP, Bacallao RL, Schulte ML, Moorthi RN, Gisch DL, Perry CGR, Moe SM, O’Connell TM. Skeletal muscle metabolic responses to physical activity are muscle type specific in a rat model of chronic kidney disease. Sci Rep 2021; 11:9788. [PMID: 33963215 PMCID: PMC8105324 DOI: 10.1038/s41598-021-89120-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 04/14/2021] [Indexed: 02/03/2023] Open
Abstract
Chronic kidney disease (CKD) leads to musculoskeletal impairments that are impacted by muscle metabolism. We tested the hypothesis that 10-weeks of voluntary wheel running can improve skeletal muscle mitochondria activity and function in a rat model of CKD. Groups included (n = 12-14/group): (1) normal littermates (NL); (2) CKD, and; (3) CKD-10 weeks of voluntary wheel running (CKD-W). At 35-weeks old the following assays were performed in the soleus and extensor digitorum longus (EDL): targeted metabolomics, mitochondrial respiration, and protein expression. Amino acid-related compounds were reduced in CKD muscle and not restored by physical activity. Mitochondrial respiration in the CKD soleus was increased compared to NL, but not impacted by physical activity. The EDL respiration was not different between NL and CKD, but increased in CKD-wheel rats compared to CKD and NL groups. Our results demonstrate that the soleus may be more susceptible to CKD-induced changes of mitochondrial complex content and respiration, while in the EDL, these alterations were in response the physiological load induced by mild physical activity. Future studies should focus on therapies to improve mitochondrial function in both types of muscle to determine if such treatments can improve the ability to adapt to physical activity in CKD.
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Affiliation(s)
- Keith G. Avin
- Division of Nephrology, Indiana University School of Medicine, 950 W. Walnut St., R2 202, Indianapolis, IN 46202 USA ,Department of Physical Therapy, Indiana University School of Health and Human Sciences, Indianapolis, IN USA ,Roudebush Veterans Affairs Medical Center, Indianapolis, IN USA
| | - Meghan C. Hughes
- School of Kinesiology and Health Science, Muscle Health Research Centre, York University, Toronto, ON Canada
| | - Neal X. Chen
- Division of Nephrology, Indiana University School of Medicine, 950 W. Walnut St., R2 202, Indianapolis, IN 46202 USA ,Roudebush Veterans Affairs Medical Center, Indianapolis, IN USA
| | - Shruthi Srinivasan
- Division of Nephrology, Indiana University School of Medicine, 950 W. Walnut St., R2 202, Indianapolis, IN 46202 USA ,Roudebush Veterans Affairs Medical Center, Indianapolis, IN USA
| | - Kalisha D. O’Neill
- Division of Nephrology, Indiana University School of Medicine, 950 W. Walnut St., R2 202, Indianapolis, IN 46202 USA ,Roudebush Veterans Affairs Medical Center, Indianapolis, IN USA
| | - Andrew P. Evan
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN USA
| | - Robert L. Bacallao
- Division of Nephrology, Indiana University School of Medicine, 950 W. Walnut St., R2 202, Indianapolis, IN 46202 USA ,Roudebush Veterans Affairs Medical Center, Indianapolis, IN USA
| | - Michael L. Schulte
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN USA
| | - Ranjani N. Moorthi
- Division of Nephrology, Indiana University School of Medicine, 950 W. Walnut St., R2 202, Indianapolis, IN 46202 USA
| | - Debora L. Gisch
- Departamento de Engenharia Mecânica, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS Brazil
| | - Christopher G. R. Perry
- School of Kinesiology and Health Science, Muscle Health Research Centre, York University, Toronto, ON Canada
| | - Sharon M. Moe
- Division of Nephrology, Indiana University School of Medicine, 950 W. Walnut St., R2 202, Indianapolis, IN 46202 USA ,Roudebush Veterans Affairs Medical Center, Indianapolis, IN USA ,Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN USA
| | - Thomas M. O’Connell
- Department of Otolaryngology, Head and Neck Surgery, Indiana University School of Medicine, Indianapolis, IN USA
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Tyson CC, Luciano A, Modliszewski JL, Corcoran DL, Bain JR, Muehlbauer M, Ilkayeva O, Pourafshar S, Allen J, Bowman C, Gung J, Asplin JR, Pendergast J, Svetkey LP, Lin PH, Scialla JJ. Effect of Bicarbonate on Net Acid Excretion, Blood Pressure, and Metabolism in Patients With and Without CKD: The Acid Base Compensation in CKD Study. Am J Kidney Dis 2021; 78:38-47. [PMID: 33810868 DOI: 10.1053/j.ajkd.2020.10.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 10/10/2020] [Indexed: 11/11/2022]
Abstract
RATIONALE & OBJECTIVE Patients with CKD are at elevated risk of metabolic acidosis due to impaired net acid excretion (NAE). Identifying early markers of acidosis may guide prevention in chronic kidney disease (CKD). This study compared NAE in participants with and without CKD, as well as the NAE, blood pressure (BP), and metabolomic response to bicarbonate supplementation. STUDY DESIGN Randomized order, cross-over study with controlled feeding. SETTING & PARTICIPANTS Participants consisted of 8 patients with CKD (estimated glomerular filtration rate 30-59mL/min/1.73m2 or 60-70mL/min/1.73m2 with albuminuria) and 6 patients without CKD. All participants had baseline serum bicarbonate concentrations between 20 and 28 mEq/L; they did not have diabetes mellitus and did not use alkali supplements at baseline. INTERVENTION Participants were fed a fixed-acid-load diet with bicarbonate supplementation (7 days) and with sodium chloride control (7 days) in a randomized order, cross-over fashion. OUTCOMES Urine NAE, 24-hour ambulatory BP, and 24-hour urine and plasma metabolomic profiles were measured after each period. RESULTS During the control period, mean NAE was 28.3±10.2 mEq/d overall without differences across groups (P=0.5). Urine pH, ammonium, and citrate were significantly lower in CKD than in non-CKD (P<0.05 for each). Bicarbonate supplementation reduced NAE and urine ammonium in the CKD group, increased urine pH in both groups (but more in patients with CKD than in those without), and increased; urine citrate in the CKD group (P< 0.2 for interaction for each). Metabolomic analysis revealed several urine organic anions were increased with bicarbonate in CKD, including 3-indoleacetate, citrate/isocitrate, and glutarate. BP was not significantly changed. LIMITATIONS Small sample size and short feeding duration. CONCLUSIONS Compared to patients without CKD, those with CKD had lower acid excretion in the form of ammonium but also lower base excretion such as citrate and other organic anions, a potential compensation to preserve acid-base homeostasis. In CKD, acid excretion decreased further, but base excretion (eg, citrate) increased in response to alkali. Urine citrate should be evaluated as an early and responsive marker of impaired acid-base homeostasis. FUNDING National Institute of Diabetes and Digestive and Kidney Diseases and the Duke O'Brien Center for Kidney Research. TRIAL REGISTRATION Registered at ClinicalTrials.gov with study number NCT02427594.
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Affiliation(s)
- Crystal C Tyson
- Department of Medicine, Duke University School of Medicine, Durham, NC
| | - Alison Luciano
- Center for the Study of Aging and Human Development, Duke University School of Medicine, Durham, NC
| | - Jennifer L Modliszewski
- Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC; Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC
| | - David L Corcoran
- Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC; Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC
| | - James R Bain
- Department of Medicine, Duke University School of Medicine, Durham, NC; Center for the Study of Aging and Human Development, Duke University School of Medicine, Durham, NC; Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC
| | - Michael Muehlbauer
- Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC
| | - Olga Ilkayeva
- Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC
| | - Shirin Pourafshar
- Department of Medicine, University of Virginia School of Medicine, Charlottesville, VA
| | - Jenifer Allen
- Department of Medicine, Duke University School of Medicine, Durham, NC
| | - Cassandra Bowman
- Department of Medicine, Duke University School of Medicine, Durham, NC
| | - Joseph Gung
- Department of Medicine, Duke University School of Medicine, Durham, NC
| | - John R Asplin
- Litholink Corp, Laboratory Corporation of America Holdings, Chicago, IL
| | - Jane Pendergast
- Department of Medicine, Duke University School of Medicine, Durham, NC; Center for the Study of Aging and Human Development, Duke University School of Medicine, Durham, NC; Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC
| | - Laura P Svetkey
- Department of Medicine, Duke University School of Medicine, Durham, NC; Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC
| | - Pao-Hwa Lin
- Department of Medicine, Duke University School of Medicine, Durham, NC; Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC
| | - Julia J Scialla
- Department of Medicine, University of Virginia School of Medicine, Charlottesville, VA.
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Cha RH, Lee GS, Yoo JY, Rhee OB, Jeon YD. Hand Grip and Leg Muscle Strength in Hemodialysis Patients and Its Determinants. J Korean Med Sci 2021; 36:e76. [PMID: 33754509 PMCID: PMC7985287 DOI: 10.3346/jkms.2021.36.e76] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 01/10/2021] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Chronic kidney disease is associated with chronic inflammation and progressive loss of peripheral muscle strength and the ability to exercise, and these changes are highly pronounced in patients receiving hemodialysis (HD). We evaluated hand grip strength (HGS) and leg muscle strength (LMS) in patients receiving HD and attempted to identify factors associated with muscle strength. METHODS We screened HGS (opposite the fistula side) and LMS (both sides) in HD patients at a single center (n = 112) by using digital hand and leg dynamometers (T.K.K. 5401 and 5710e/5715, Takei Scientific Instruments Co. Ltd., Niigata, Japan). RESULTS The mean age of patients was 62.6 years, and 73.2% of the patients were male. Diabetes was the cause of kidney failure in 50% of the patients, and the median HD vintage was 34 months. A total of 77.7% of patients reported that they participated in regular home-based exercise, and 29.5% of patients regularly participated in hospital-based resistance exercise. HGS and LMS showed good correlation (r = 0.715, P < 0.001). HGS (25.1 vs. 17.0 kg) and LMS (30.1 vs. 20.4 kg) were greater in males (P < 0.001 and P < 0.001, respectively) than in females. Older patients (≥ 60 years) showed less LMS than younger patients in both males and females (P = 0.012 and P = 0.037, respectively), but HGS did not differ according to age. Patients performing regular home- or hospital-based exercise showed higher HGS than those who did not exercise (24.2 vs. 18.6 kg, P = 0.011), but LMS was not significantly different (29.3 vs. 23.6 kg, P = 0.185). Multiple linear regression analysis proved that male sex, younger age, and any type of exercise were factors associated with improved HGS and LMS. Groups of older age (≥ 60 years), male sex, and shorter duration of HD (< median) benefitted more from exercise. CONCLUSION Sex, age, and exercise were the most important determinants of muscle strength in HD patients. We need to encourage patients to engage in regular home or group exercise from the beginning of dialysis and introduce new feasible forms of exercise for HD patients.
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Affiliation(s)
- Ran Hui Cha
- Department of Internal Medicine, National Medical Center, Seoul, Korea.
| | - Geum Sil Lee
- Department of Internal Medicine, National Medical Center, Seoul, Korea
| | - Ju Yeon Yoo
- Department of Internal Medicine, National Medical Center, Seoul, Korea
| | - Oe Bog Rhee
- Department of Internal Medicine, National Medical Center, Seoul, Korea
| | - Yong Duk Jeon
- Department of Internal Medicine, National Medical Center, Seoul, Korea
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Gallot YS, Bohnert KR. Confounding Roles of ER Stress and the Unfolded Protein Response in Skeletal Muscle Atrophy. Int J Mol Sci 2021; 22:2567. [PMID: 33806433 PMCID: PMC7961896 DOI: 10.3390/ijms22052567] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/26/2021] [Accepted: 03/03/2021] [Indexed: 12/12/2022] Open
Abstract
Skeletal muscle is an essential organ, responsible for many physiological functions such as breathing, locomotion, postural maintenance, thermoregulation, and metabolism. Interestingly, skeletal muscle is a highly plastic tissue, capable of adapting to anabolic and catabolic stimuli. Skeletal muscle contains a specialized smooth endoplasmic reticulum (ER), known as the sarcoplasmic reticulum, composed of an extensive network of tubules. In addition to the role of folding and trafficking proteins within the cell, this specialized organelle is responsible for the regulated release of calcium ions (Ca2+) into the cytoplasm to trigger a muscle contraction. Under various stimuli, such as exercise, hypoxia, imbalances in calcium levels, ER homeostasis is disturbed and the amount of misfolded and/or unfolded proteins accumulates in the ER. This accumulation of misfolded/unfolded protein causes ER stress and leads to the activation of the unfolded protein response (UPR). Interestingly, the role of the UPR in skeletal muscle has only just begun to be elucidated. Accumulating evidence suggests that ER stress and UPR markers are drastically induced in various catabolic stimuli including cachexia, denervation, nutrient deprivation, aging, and disease. Evidence indicates some of these molecules appear to be aiding the skeletal muscle in regaining homeostasis whereas others demonstrate the ability to drive the atrophy. Continued investigations into the individual molecules of this complex pathway are necessary to fully understand the mechanisms.
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Affiliation(s)
- Yann S. Gallot
- LBEPS, Univ Evry, IRBA, Université Paris Saclay, 91025 Evry, France
| | - Kyle R. Bohnert
- Kinesiology Department, St. Ambrose University, Davenport, IA 52803, USA
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Noce A, Marrone G, Ottaviani E, Guerriero C, Di Daniele F, Pietroboni Zaitseva A, Di Daniele N. Uremic Sarcopenia and Its Possible Nutritional Approach. Nutrients 2021; 13:nu13010147. [PMID: 33406683 PMCID: PMC7824031 DOI: 10.3390/nu13010147] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/21/2020] [Accepted: 12/30/2020] [Indexed: 12/11/2022] Open
Abstract
Uremic sarcopenia is a frequent condition present in chronic kidney disease (CKD) patients and is characterized by reduced muscle mass, muscle strength and physical performance. Uremic sarcopenia is related to an increased risk of hospitalization and all-causes mortality. This pathological condition is caused not only by advanced age but also by others factors typical of CKD patients such as metabolic acidosis, hemodialysis therapy, low-grade inflammatory status and inadequate protein-energy intake. Currently, treatments available to ameliorate uremic sarcopenia include nutritional therapy (oral nutritional supplement, inter/intradialytic parenteral nutrition, enteral nutrition, high protein and fiber diet and percutaneous endoscopic gastrectomy) and a personalized program of physical activity. The aim of this review is to analyze the possible benefits induced by nutritional therapy alone or in combination with a personalized program of physical activity, on onset and/or progression of uremic sarcopenia.
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Affiliation(s)
- Annalisa Noce
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
- Correspondence: (A.N.); (G.M.); Tel.: +39-06-2090-2194 (A.N.); +39-06-2090-2191 (G.M.)
| | - Giulia Marrone
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
- PhD School of Applied Medical, Surgical Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
- Correspondence: (A.N.); (G.M.); Tel.: +39-06-2090-2194 (A.N.); +39-06-2090-2191 (G.M.)
| | - Eleonora Ottaviani
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
| | - Cristina Guerriero
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
| | - Francesca Di Daniele
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
- PhD School of Applied Medical, Surgical Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Anna Pietroboni Zaitseva
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
| | - Nicola Di Daniele
- UOC of Internal Medicine-Center of Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy; (E.O.); (C.G.); (F.D.D.); (A.P.Z.); (N.D.D.)
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Takahara M, Soga Y, Fujihara M, Kawasaki D, Kozuki A, Iida O. Inverse association of diabetes and dialysis with the severity of femoropopliteal lesions and chronic total occlusion: a cross-sectional study of 2056 cases. BMC Cardiovasc Disord 2020; 20:514. [PMID: 33297956 PMCID: PMC7727236 DOI: 10.1186/s12872-020-01805-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 11/30/2020] [Indexed: 12/24/2022] Open
Abstract
Background This study aimed to reveal the association of diabetes mellitus and dialysis-dependent renal failure with the lesion severity and chronic total occlusion (CTO) in patients undergoing femoropopliteal endovascular therapy for intermittent claudication. Methods This multicenter retrospective study analyzed the data of 2056 consecutive patients with moderate to severe intermittent claudication, who underwent endovascular therapy for de novo lesions in the superficial femoral artery to the proximal popliteal artery between 2010 and 2018 at five cardiovascular centers in Japan. The association of the clinical characteristics with severity of the lesions, as assessed by the Trans-Atlantic Inter-Society Consensus (TASC) II classification, was investigated using the ordinal logistic regression model. Their association with CTO, lesion length, and severity of calcifications was additionally analyzed using the binomial logistic regression model. Results The prevalence of diabetes mellitus and dialysis-dependent renal failure was 54.7% and 21.4%, respectively; 12.5% of the patients had lesions corresponding to TASC II class D, and 39.3% of the patients had CTO. Current smoking and severe claudication were associated with more severe lesions assessed according to the TASC II classification; diabetes mellitus and dialysis dependence were inversely associated with disease severity. The adjusted odds ratios of diabetes mellitus and dialysis dependence were 0.82 (95% confidence interval 0.70–0.97; p = 0.018) and 0.76 (0.62–0.94; p = 0.009), respectively. Diabetes mellitus and dialysis dependence were also inversely associated with CTO (both p < 0.05). Furthermore, diabetes mellitus was inversely associated with a long lesion (p < 0.05). Diabetes mellitus and dialysis dependence were positively associated with severe calcification (both p < 0.05). Conclusions Diabetes mellitus and dialysis-dependent renal failure were inversely associated with the lesion severity, as assessed by the TASC II classification, and CTO in patients undergoing femoropopliteal endovascular therapy for intermittent claudication.
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Affiliation(s)
- Mitsuyoshi Takahara
- Department of Diabetes Care Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita City, Osaka, 565-0871, Japan.
| | - Yoshimitsu Soga
- Department of Cardiology, Kokura Memorial Hospital, 3-2-1 Asano, Kokurakita-ku, Kitakyushu City, 802-0001, Japan
| | - Masahiko Fujihara
- Department of Cardiology, Kishiwada Tokushukai Hospital, 4-27-1, Kamoricho, Kishiwada City, Osaka, 596-8522, Japan
| | - Daizo Kawasaki
- Cardiovascular Division, Morinomiya Hospital, 2-1-88,Morinomiya, Joto-ku, Osaka City, 536-0025, Japan
| | - Amane Kozuki
- Department of Cardiology, Osaka Saiseikai Nakatsu Hospital, 2-10-39, Shibata, Kita-ku, Osaka City, 530-0012, Japan
| | - Osamu Iida
- Cardiovascular Center, Kansai Rosai Hospital, 3-1-69 Inabaso, Amagasaki City, Hyogo, 660-8511, Japan
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Kim B, Park H, Kim G, Isobe T, Sakae T, Oh S. Relationships of Fat and Muscle Mass with Chronic Kidney Disease in Older Adults: A Cross-Sectional Pilot Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17239124. [PMID: 33297489 PMCID: PMC7731281 DOI: 10.3390/ijerph17239124] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/30/2020] [Accepted: 12/05/2020] [Indexed: 12/22/2022]
Abstract
This cross-sectional pilot study aimed to assess the relationships of fat and muscle mass with chronic kidney disease (CKD) in older adults. Serum creatinine concentration was used to measure estimated glomerular filtration rate (mL/min/1.73 m2) in the 236 subjects, who were allocated to three groups: a normal (≥60.0), a mild CKD (45.0–59.9), and a moderate to severe CKD (<45.0) group. The Jonckheere-Terpstra test and multivariate logistic regression were employed to assess body composition trends and the relationships of % fat mass (FM) or % muscle mass index (MMI) with moderate-to-severe CKD. Body weight, fat-free mass, MMI, and %MMI tended to decrease with an increase in the severity of CKD, but the opposite trend was identified for %FM. No relationship with BMI was identified. The participants in the middle-high and highest quartile for %FM were 6.55 and 14.31 times more likely to have moderate to severe CKD. Conversely, the participants in the highest quartile for %MMI were 0.07 times less likely to have moderate to severe CKD. Thus, high fat and low muscle mass may be more strongly associated with CKD than obesity per se.
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Affiliation(s)
- Bokun Kim
- Department of Sports Health Care, Inje University, Gimhae 50834, Korea;
- Faculty of Medicine, University of Tsukuba, Ibaraki 305-8575, Japan; (T.I.); (T.S.)
| | - Hyuntae Park
- Department of Health Science, Dong-A University, Pusan 49315, Korea
- Correspondence: (H.P.); (S.O.)
| | - Gwonmin Kim
- Health Convergence Medicine Laboratory, Biomedical Research Institute, Pusan National University Hospital, Pusan 49241, Korea;
| | - Tomonori Isobe
- Faculty of Medicine, University of Tsukuba, Ibaraki 305-8575, Japan; (T.I.); (T.S.)
| | - Takeji Sakae
- Faculty of Medicine, University of Tsukuba, Ibaraki 305-8575, Japan; (T.I.); (T.S.)
| | - Sechang Oh
- Faculty of Medicine, University of Tsukuba, Ibaraki 305-8575, Japan; (T.I.); (T.S.)
- Correspondence: (H.P.); (S.O.)
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Kang P, Huang X, Wan Z, Liang T, Wang Y, Li X, Zhang J, Zhu H, Liu Y. Kinetics of changes in gene and microRNA expression related with muscle inflammation and protein degradation following LPS-challenge in weaned piglets. Innate Immun 2020; 27:23-30. [PMID: 33232194 PMCID: PMC7780359 DOI: 10.1177/1753425920971032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
To test the dynamic changes of the expression of genes and microRNA in the gastrocnemius muscle after LPS challenge, 36 piglets were assigned to a control group (slaughtered 0 h after saline injection) and LPS groups (slaughtered at 1 h, 2 h, 4 h, 8 h, and 12 h after LPS treatment, respectively). After LPS treatment, the mRNA expression of IL-1β, IL-6, and TNF-α reached maximal levels at 1 h, 2 h, and 1 h, respectively (P < 0.05), and mRNA expression of TLR4, NODs, muscle-specific ring finger 1, and muscle atrophy F-box peaked at 12 h (P < 0.05). Moreover, the expression of miR-122, miR-135a, and miR-370 reduced at 1 h, 1 h, and 2 h, respectively (P < 0.05), and miR-34a, miR-224, miR-132, and miR-145 reached maximum expression levels at 1 h, 1 h, 2 h, and 4 h, respectively (P < 0.05). These results suggested that mRNA expression of pro-inflammatory cytokines was elevated in the early stage, mRNA expression of genes related to TLR4 and NODs signaling pathways and protein degradation increased in the later phase, and the expression of microRNA related to muscle inflammation and protein degradation changed in the early stage after LPS injection.
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Affiliation(s)
- Ping Kang
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, 74615Wuhan Polytechnic University, China
| | - Xingfa Huang
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, 74615Wuhan Polytechnic University, China
| | - Zhicheng Wan
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, 74615Wuhan Polytechnic University, China
| | - Tianzeng Liang
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, 74615Wuhan Polytechnic University, China
| | - Yang Wang
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, 74615Wuhan Polytechnic University, China
| | - Xiangen Li
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, 74615Wuhan Polytechnic University, China
| | - Jing Zhang
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, 74615Wuhan Polytechnic University, China
| | - Huiling Zhu
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, 74615Wuhan Polytechnic University, China
| | - Yulan Liu
- Hubei Key Laboratory of Animal Nutrition and Feed Science, Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, 74615Wuhan Polytechnic University, China
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Association of Ultrasound-Derived Metrics of the Quadriceps Muscle with Protein Energy Wasting in Hemodialysis Patients: A Multicenter Cross-Sectional Study. Nutrients 2020; 12:nu12113597. [PMID: 33238633 PMCID: PMC7700501 DOI: 10.3390/nu12113597] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/13/2020] [Accepted: 11/20/2020] [Indexed: 12/28/2022] Open
Abstract
This study aimed to assess muscle wasting and risk of protein energy wasting (PEW) in hemodialysis (HD) patients using an ultrasound (US) imaging method. PEW was identified using the ISRNM criteria in 351 HD patients. Quadriceps muscle thickness of rectus femoris (RF) and vastus intermedius (VI) muscles and cross-sectional area (CSA) of the RF muscle (RFCSA) were measured using US and compared with other physical measures. Associations of US indices with PEW were determined by logistic regression. Irrespective of gender, PEW vs. non-PEW patients had smaller RF, VI muscles, and RFCSA (all p < 0.001). US muscle sites (all p < 0.001) discriminated PEW from non-PEW patients, but the RFCSA compared to bio-impedance spectroscopy had a greater area under the curve (AUC, 0.686 vs. 0.581), sensitivity (72.8% vs. 65.8%), and specificity (55.6% vs. 53.9%). AUC of the RFCSA was greatest for PEW risk in men (0.74, 95% CI: 0.66–0.82) and women (0.80, 95% CI: 0.70–0.90) (both p < 0.001). Gender-specific RFCSA values (men < 6.00 cm2; women < 4.47 cm2) indicated HD patients with smaller RFCSA were 8 times more likely to have PEW (AOR = 8.63, 95% CI: 4.80–15.50, p < 0.001). The US approach enabled discrimination of muscle wasting in HD patients with PEW. The RFCSA was identified as the best US site with gender-specific RFCSA values to associate with PEW risk, suggesting potential diagnostic criteria for muscle wasting.
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Chung LH, Liu ST, Huang SM, Salter DM, Lee HS, Hsu YJ. High phosphate induces skeletal muscle atrophy and suppresses myogenic differentiation by increasing oxidative stress and activating Nrf2 signaling. Aging (Albany NY) 2020; 12:21446-21468. [PMID: 33136552 PMCID: PMC7695395 DOI: 10.18632/aging.103896] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 07/20/2020] [Indexed: 12/13/2022]
Abstract
Skeletal muscle wasting represents both a common phenotype of aging and a feature of pathological conditions such as chronic kidney disease (CKD). Although both clinical data and genetic experiments in mice suggest that hyperphosphatemia accelerates muscle wasting, the underlying mechanism remains unclear. Here, we showed that inorganic phosphate (Pi) dose-dependently decreases myotube size, fusion index, and myogenin expression in mouse C2C12 skeletal muscle cells. These changes were accompanied by increases in reactive oxygen species (ROS) production and Nrf2 and p62 expression, and reductions in mitochondrial membrane potential (MMP) and Keap1 expression. Inhibition of Pi entry, cytosolic ROS production, or Nrf2 activation reversed the effects of high Pi on Nrf2, p62, and myogenin expression. Overexpression of Nrf2 respectively increased and decreased the promoter activity of p62-Luc and myogenin-Luc reporters. Analysis of nuclear extracts from gastrocnemius muscles from mice fed a high-Pi (2% Pi) diet showed increased Nrf2 phosphorylation in sham-operated and 5/6 nephrectomized (CKD) mice, and both increased p62 phosphorylation and decreased myogenin expression in CKD mice. These data suggest that high Pi suppresses myogenic differentiation in vitro and promotes muscle atrophy in vivo through oxidative stress-mediated protein degradation and both canonical (ROS-mediated) and non-canonical (p62-mediated) activation of Nrf2 signaling.
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Affiliation(s)
- Lin-Huei Chung
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, Yuan Rung Hospital, Changhua, Taiwan
| | - Shu-Ting Liu
- Department of Biochemistry, National Defense Medical Center, Taipei, Taiwan
| | - Shih-Ming Huang
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan.,Department of Biochemistry, National Defense Medical Center, Taipei, Taiwan
| | - Donald M Salter
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Herng-Sheng Lee
- Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Yu-Juei Hsu
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan.,Department of Biochemistry, National Defense Medical Center, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
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Draicchio F, van Vliet S, Ancu O, Paluska SA, Wilund KR, Mickute M, Sathyapalan T, Renshaw D, Watt P, Sylow L, Burd NA, Mackenzie RW. Integrin-associated ILK and PINCH1 protein content are reduced in skeletal muscle of maintenance haemodialysis patients. J Physiol 2020; 598:5701-5716. [PMID: 32969494 DOI: 10.1113/jp280441] [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] [Received: 07/03/2020] [Accepted: 09/09/2020] [Indexed: 12/17/2022] Open
Abstract
KEY POINTS Patients with renal failure undergoing maintenance haemodialysis are associated with insulin resistance and protein metabolism dysfunction. Novel research suggests that disruption to the transmembrane protein linkage between the cytoskeleton and the extracellular matrix in skeletal muscle may contribute to reduced amino acid metabolism and insulin resistance in haemodialysis. ILK, PINCH1 and pFAKTyr397 were significantly decreased in haemodialysis compared to controls, whereas Rac1 and Akt2 showed no different between groups. Rac1 deletion in the Rac1 knockout model did not alter the expression of integrin-associated proteins. Phenylalanine kinetics were reduced in the haemodialysis group at 30 and 60 min post meal ingestion compared to controls; both groups showed similar levels of insulin sensitivity and β-cell function. Key proteins in the integrin-cytoskeleton linkage are reduced in haemodialysis patients, suggesting for the first time that integrin-associated proteins dysfunction may contribute to reduced phenylalanine flux without affecting insulin resistance in haemodialysis patients. ABSTRACT Muscle atrophy, insulin resistance and reduced muscle phosphoinositide 3-kinase-Akt signalling are common characteristics of patients undergoing maintenance haemodialysis (MHD). Disruption to the transmembrane protein linkage between the cytoskeleton and the extracellular matrix in skeletal muscle may contribute to reduced amino acid metabolism and insulin resistance in MHD patients. Eight MHD patients (age: 56 ± 5 years: body mass index: 32 ± 2 kg m-2 ) and non-diseased controls (age: 50 ± 2 years: body mass index: 31 ± 1 kg m-2 ) received primed continuous l-[ring-2 H5 ]phenylalanine before consuming a mixed meal. Phenylalanine metabolism was determined using two-compartment modelling. Muscle biopsies were collected prior to the meal and at 300 min postprandially. In a separate experiment, skeletal muscle tissue from muscle-specific Rac1 knockout (Rac1 mKO) was harvested to investigate whether Rac1 depletion disrupted the cytoskeleton-integrin linkage, allowing for cross-model examination of proteins of interest. ILK, PINCH1 and pFAKTyr397 were significantly lower in MHD (P < 0.01). Rac1 and Akt showed no difference between groups for the human trial. Rac1 deletion in the Rac1 mKO model did not alter the expression of integrin-associated proteins. Phenylalanine rates of appearance and disappearance, as well as metabolic clearance rates, were lower in the MHD group at 30 and 60 min post meal ingestion compared to controls (P < 0.05). Both groups showed similar levels of insulin sensitivity and β-cell function. Key proteins in the integrin-cytoskeleton linkage are reduced in MHD patients, suggesting for the first time that integrin-associated proteins dysfunction may contribute to reduced phenylalanine flux without affecting insulin resistance in haemodialysis patients.
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Affiliation(s)
- Fulvia Draicchio
- Department of Life Sciences, Sport and Exercise Science Research Center, University of Roehampton, London, UK
| | - Stephan van Vliet
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Oana Ancu
- Department of Life Sciences, Sport and Exercise Science Research Center, University of Roehampton, London, UK
| | - Scott A Paluska
- Department of Family Medicine, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Kenneth R Wilund
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, USA.,Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Monika Mickute
- Leicester Diabetes Center, Leicester General Hospital, Leicester, UK
| | | | - Derek Renshaw
- Centre for Sport, Exercise and Life Sciences, Coventry University, Coventry, UK
| | - Peter Watt
- Sport and Exercise Science and Sports Medicine research and enterprise group, Welkin Laboratories, University of Brighton, Eastbourne, UK
| | - Lykke Sylow
- Department of Nutrition, Exercise and Sport, August Krogh Bygningen, University of Copenhagen, Denmark
| | - Nicholas A Burd
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, USA.,Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Richard Wa Mackenzie
- Department of Life Sciences, Sport and Exercise Science Research Center, University of Roehampton, London, UK
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Effects of whole-body vibration on muscle strength, quadriceps muscle thickness and functional capacity in kidney transplant recipients: A randomized controlled trial. J Bodyw Mov Ther 2020; 26:101-107. [PMID: 33992228 DOI: 10.1016/j.jbmt.2020.10.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 08/31/2020] [Accepted: 10/01/2020] [Indexed: 11/23/2022]
Abstract
BACKGROUND Whole-body vibration (WBV) may be an alternative of physical training for kidney transplant recipients. OBJECTIVE To evaluate the effect of a training program on quadriceps muscle strength and thickness, distance walked in the 6-min walking test (6MWT), respiratory muscle strength and quality of life in adult kidney transplant recipients. DESIGN Randomized controlled clinical trial. METHOD Twelve kidney transplant recipients of both genders who underwent WBV training (35 Hz) twice a week for 12 weeks on alternate days (WBVG), and training with a Sham Group (SG) were evaluated before and after intervention. RESULTS No difference was observed in quadriceps muscle strength and thickness between groups, however a large (d = 0.81) and a small (d = 0.44) effect size were observed after the training, respectively. Both groups improved the execution time of Sit-to-Stand Test before and after analysis, but this effect did not show superiority between them, however there was a large effect size provided by training (d = 1.11). No changes were observed between groups in relation to inspiratory muscle strength, but training effects could be observed by the effect size after the study period (d = 0.59). No changes were observed regarding the distance walked in the 6MWT and the effect size was small (d = 0.31). CONCLUSION WBV program would induce physiological responses that must be taken into consideration in adults' kidney transplant recipients. Our results show considerable effect sizes were observed for muscle strength and quadriceps thickness, inspiratory muscle strength, and 6MWT walking distance, although no difference was observed between groups at the end of the study.
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Dietary acid-base load and its association with risk of osteoporotic fractures and low estimated skeletal muscle mass. Eur J Clin Nutr 2020; 74:33-42. [PMID: 32873955 DOI: 10.1038/s41430-020-0686-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND/OBJECTIVES Age-related decline in skeletal muscle mass and strength, loss of bone density, and increased risk of osteoporotic fractures are important public health issues. Systemic acid-base balance is affected by dietary intake and may be relevant to these conditions. We therefore investigated associations of dietary acid-base load with skeletal muscle mass, bone density status, and fracture risk. SUBJECTS/METHODS We analysed the European Prospective Investigation into Cancer and Nutrition-Norfolk cohort of >25,000 individuals, 39-79 years at baseline. Potential renal acid load (PRAL) was calculated from 7-day food diary data. As a proxy for skeletal muscle mass, we estimated fat-free mass from bioelectrical impedance analysis and scaled this for BMI (FFMBMI). Bone density status was assessed by heel-bone broadband ultrasound attenuation (BUA), and fracture rates were obtained from health-care records. Multivariable regression was used to test musculoskeletal outcomes across sex-specific quintiles of PRAL. RESULTS PRAL in quintiles was negatively associated with FFMBMI in men (n = 6350, p < 0.001) and women (n = 7989, p < 0.001), with quintile 5 vs 1 differences of -1.5% and -3.2% (both p < 0.001). PRAL was also negatively associated with BUA in women (n = 8312, p = 0.016; quintile 5 vs 1 difference -1.5%, p = 0.024). The combined hazard of hip, wrist and spine fractures (mean ± SD follow-up 17.9 ± 4.9 years) was higher with increasing quintiles of PRAL in men (610 fractures; n = 11,511; p = 0.013) and women (1583 fractures; n = 13,927; p = 0.009), with quintile 5 vs 1 hazard ratios of 1.33 (95% CI: 1.03-1.72, p = 0.029) and 1.21 (95% CI: 1.03-1.42, p = 0.022), but associations were not consistent for all fractures sites and age groups tested. CONCLUSIONS This study provides strong evidence, albeit observational, for a negative association between PRAL and musculoskeletal health in middle to older age men and women, and thus supports the rationale for a less acidic dietary load.
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Sabatino A, Cuppari L, Stenvinkel P, Lindholm B, Avesani CM. Sarcopenia in chronic kidney disease: what have we learned so far? J Nephrol 2020; 34:1347-1372. [PMID: 32876940 PMCID: PMC8357704 DOI: 10.1007/s40620-020-00840-y] [Citation(s) in RCA: 207] [Impact Index Per Article: 51.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 08/12/2020] [Indexed: 02/07/2023]
Abstract
The term sarcopenia was first introduced in 1988 by Irwin Rosenberg to define a condition of muscle loss that occurs in the elderly. Since then, a broader definition comprising not only loss of muscle mass, but also loss of muscle strength and low physical performance due to ageing or other conditions, was developed and published in consensus papers from geriatric societies. Sarcopenia was proposed to be diagnosed based on operational criteria using two components of muscle abnormalities, low muscle mass and low muscle function. This brought awareness of an important nutritional derangement with adverse outcomes for the overall health. In parallel, many studies in patients with chronic kidney disease (CKD) have shown that sarcopenia is a prevalent condition, mainly among patients with end stage kidney disease (ESKD) on hemodialysis (HD). In CKD, sarcopenia is not necessarily age-related as it occurs as a result of the accelerated protein catabolism from the disease and from the dialysis procedure per se combined with low energy and protein intakes. Observational studies showed that sarcopenia and especially low muscle strength is associated with worse clinical outcomes, including worse quality of life (QoL) and higher hospitalization and mortality rates. This review aims to discuss the differences in conceptual definition of sarcopenia in the elderly and in CKD, as well as to describe etiology of sarcopenia, prevalence, outcome, and interventions that attempted to reverse the loss of muscle mass, strength and mobility in CKD and ESKD patients.
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Affiliation(s)
- Alice Sabatino
- Division of Nephrology, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Lilian Cuppari
- Division of Nephrology, Federal University of São Paulo and Oswaldo Ramos Foundation, São Paulo, Brazil
| | - Peter Stenvinkel
- Division of Renal Medicine and Baxter Novum, Department of Clinical Science, Technology and Intervention, Karolinska Institute, Stockholm, Sweden
| | - Bengt Lindholm
- Division of Renal Medicine and Baxter Novum, Department of Clinical Science, Technology and Intervention, Karolinska Institute, Stockholm, Sweden
| | - Carla Maria Avesani
- Division of Renal Medicine and Baxter Novum, Department of Clinical Science, Technology and Intervention, Karolinska Institute, Stockholm, Sweden.
- Nutrition Institute, Rio de Janeiro State University, Rio de Janeiro, Brazil.
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