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He Y, Duan W, Xu P, Lin T, Xiang Q, Dong B, Ge N, Yue J. Exploring the impact of interleukins on sarcopenia development: A systematic review and meta-analysis. Exp Gerontol 2024; 193:112480. [PMID: 38852656 DOI: 10.1016/j.exger.2024.112480] [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: 03/16/2024] [Revised: 05/31/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024]
Abstract
BACKGROUND The role of interleukins in sarcopenia development has been acknowledged, yet the specifics of their involvement remain to be fully understood. This study aimed to explore alterations in interleukin levels among sarcopenia patients. METHODS Searches were conducted in Embase, Medline, and the Cochrane Library for literature published up to May 2023. Eligible observational studies with a diagnosis of sarcopenia were included. The Newcastle-Ottawa Scale was utilized for quality assessment. For data synthesis, a random-effects model was used, and the Mantel-Haenszel method was used for pooled estimates. RESULTS Of the 7685 articles screened, 37 met the inclusion criteria. Statistically significant differences in the levels of IL-1β, IL-6 and IL-10 were detected in sarcopenia patients. Specifically, IL-1β (95 % CI: 0.33 [0.12, 0.54], P < 0.05), IL-6 (95 % CI: 0.91 [0.59, 1.24], P < 0.05), and IL-10 (95 % CI: 0.11 [0.07,0.15], P < 0.05) were detected. However, no significant associations were found between serum IL-4 (95 % CI: 0.36 [-0.18, 0.42], P = 0.44), IL-8 (95 % CI: -1.05 [-3.06, 0.95], P = 0.3), IL-12 (95 % CI: -3.92 [-8.32,0.48], P = 0.08) or IL-17 (95 % CI: 0.22 [-2.43, 2.88], P = 0.87) and sarcopenia. Subgroup analysis showed no significant difference in IL-6 (95 % CI: -0.03 [-0.72, 0.66], P = 0.93) and IL-10 (95 % CI: 0.1 [-0.44, 0.64], P = 0.72) among patients with European standard sarcopenia. CONCLUSIONS Inflammation plays a role in sarcopenia, and the serum levels of IL-1β, IL-6, and IL-10 are associated with sarcopenia. Further research is needed to clarify these associations. CLINICAL TRIALS REGISTRATION NUMBER CRD42024506656.
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Affiliation(s)
- Yan He
- Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China; Department of Geriatrics, The Second People's Hospital of Yibin, Yibin, Sichuan, China
| | - Wenrong Duan
- Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China; Department of Geriatrics, The Second People's Hospital of Yibin, Yibin, Sichuan, China
| | - Ping Xu
- Department of National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Taiping Lin
- Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qiao Xiang
- Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Birong Dong
- Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China; Department of National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ning Ge
- Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China; Department of National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
| | - Jirong Yue
- Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China; Department of National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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Yan YS, Mo JY, Huang YT, Zhu H, Wu HY, Lin ZL, Liu R, Liu XQ, Lv PP, Feng C, Sheng JZ, Jin M, Huang HF. Intrauterine hyperglycaemia during late gestation caused mitochondrial dysfunction in skeletal muscle of male offspring through CREB/PGC1A signaling. Nutr Diabetes 2024; 14:56. [PMID: 39043630 PMCID: PMC11266655 DOI: 10.1038/s41387-024-00299-x] [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: 08/23/2023] [Revised: 05/03/2024] [Accepted: 05/29/2024] [Indexed: 07/25/2024] Open
Abstract
BACKGROUND Maternal diabetes mellitus can influence the development of offspring. Gestational diabetes mellitus (GDM) creates a short-term intrauterine hyperglycaemic environment in offspring, leading to glucose intolerance in later life, but the long-term effects and specific mechanism involved in skeletal muscle dysfunction in offspring remain to be clarified. METHODS Pregnant mice were divided into two groups: The GDM group was intraperitoneally injected with 100 mg/kg streptozotocin on gestational days (GDs) 6.5 and 12.5, while the control (CTR) group was treated with vehicle buffer. Only pregnant mice whose random blood glucose level was higher than 16.8 mmol/L beginning on GD13.5 were regarded as the GDM group. The growth of the offspring was monitored, and the glucose tolerance test was performed at different time points. Body composition analysis and immunohistochemical methods were used to evaluate the development of lean mass at 8 weeks. The exercise capacity and grip strength of the male mouse offspring were assessed at the same period. Transmission electron microscopy was used to observe the morphology inside skeletal muscle at 8 weeks and as a foetus. The genes and proteins associated with mitochondrial biogenesis and oxidative metabolism were investigated. We also coanalyzed RNA sequencing and proteomics data to explore the underlying mechanism. Chromatin immunoprecipitation and bisulfite-converted DNA methylation detection were performed to evaluate this phenomenon. RESULTS Short-term intrauterine hyperglycaemia inhibited the growth and reduced the lean mass of male offspring, leading to decreased endurance exercise capacity. The myofiber composition of the tibialis anterior muscle of GDM male offspring became more glycolytic and less oxidative. The morphology and function of mitochondria in the skeletal muscle of GDM male offspring were destroyed, and coanalysis of RNA sequencing and proteomics of foetal skeletal muscle showed that mitochondrial elements and lipid oxidation were consistently impaired. In vivo and in vitro myoblast experiments also demonstrated that high glucose concentrations impeded mitochondrial organisation and function. Importantly, the transcription of genes associated with mitochondrial biogenesis and oxidative metabolism decreased at 8 weeks and during the foetal period. We predicted Ppargc1α as a key upstream regulator with the help of IPA software. The proteins and mRNA levels of Ppargc1α in the skeletal muscle of GDM male offspring were decreased as a foetus (CTR vs. GDM, 1.004 vs. 0.665, p = 0.002), at 6 weeks (1.018 vs. 0.511, p = 0.023) and 8 weeks (1.006 vs. 0.596, p = 0.018). In addition, CREB phosphorylation was inhibited in GDM group, with fewer activated pCREB proteins binding to the CRE element of Ppargc1α (1.042 vs. 0.681, p = 0.037), Pck1 (1.091 vs. 0.432, p = 0.014) and G6pc (1.118 vs. 0.472, p = 0.027), resulting in their decreased transcription. Interestingly, we found that sarcopenia and mitochondrial dysfunction could even be inherited by the next generation. CONCLUSIONS Short-term intrauterine hyperglycaemia significantly reduced lean mass in male offspring at 8 weeks, resulting in decreased exercise endurance and metabolic disorders. Disrupted organisation and function of the mitochondria in skeletal muscle were also observed among them. Foetal exposure to hyperglycaemia decreased the ratio of phosphorylated CREB and reduced the transcription of Ppargc1α, which inhibited the transcription of downstream genes involving in mitochondrial biogenesis and oxidative metabolism. Abnormal mitochondria, which might be transmitted through aberrant gametes, were also observed in the F2 generation.
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Affiliation(s)
- Yi-Shang Yan
- The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China
| | - Jia-Ying Mo
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China
- The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, China
| | - Yu-Tong Huang
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China
| | - Hong Zhu
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai, China
| | - Hai-Yan Wu
- The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China
| | - Zhong-Liang Lin
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China
- The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, China
| | - Rui Liu
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China
- The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, China
| | - Xuan-Qi Liu
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China
| | - Ping-Ping Lv
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China
| | - Chun Feng
- The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China
| | - Jian-Zhong Sheng
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China.
- The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, China.
| | - Min Jin
- The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China.
| | - He-Feng Huang
- Key Laboratory of Reproductive Genetics, Ministry of Education, Zhejiang University, Hangzhou, China.
- The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, China.
- The Obstetrics & Gynecology Hospital of Fudan University, Shanghai, China.
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Santos M, Dorna M, Franco E, Geronutti J, Brizola L, Ishimoto L, Barros Y, Costa A, Breda C, Marin C, Suetake F, Azevedo P, Paiva SD, Tanni S, Prudente R. Clinical and Physiological Variables in Patients with Post-COVID-19 Condition and Persistent Fatigue. J Clin Med 2024; 13:3876. [PMID: 38999441 PMCID: PMC11242482 DOI: 10.3390/jcm13133876] [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: 05/30/2024] [Revised: 06/27/2024] [Accepted: 06/29/2024] [Indexed: 07/14/2024] Open
Abstract
Background/Objectives: Post-COVID-19 condition can manifest through various symptoms such as dyspnea, cognitive disturbances, and fatigue, with mechanisms related to these symptoms, particularly those related to fatigue, still requiring further clarification. Therefore, our aim was to assess the clinical and physiological variables in patients with post-COVID-19 condition and persistent fatigue. Methods: After one year post-COVID-19 infection, the patients underwent a comprehensive evaluation, including a complete blood count, a metabolic panel, complete spirometry, and assessments of dyspnea, quality of life, anxiety and depression, physical capacity, body composition, muscle strength, comorbidities, and medications. The participants were categorized into two groups: G1-fatigue and G2-non-fatigue. Results: Seventy-seven patients (53% female; 55 ± 11.8 years) were included, 37 in G1 and 40 in G2. As for clinical markers and symptoms of illness, in those with persistent fatigue symptoms, a greater sensation of dyspnea [BDI score: 7.5 (6-9) vs. 12 (9-12), p < 0.001; mMRC score: 1 (1-2) vs. 0 (0-1), p = 0.002], worse quality of life [SGRQ total score: 1404 (1007-1897) vs. 497 (274-985); p < 0.001], higher levels of anxiety [HADS-A score: 8 (5-9) vs. 3 (0.5-4); p < 0.001], and a reduction in peripheral and inspiratory muscle strength [handgrip strength: 34 (28-40) vs. 40 (30-46.5) kgf, p = 0.044; MIP: -81 ± 31 vs. -111 ± 33 mmHg, p < 0.001)] were observed. Conclusions: Those with persistent fatigue exhibited a greater sensation of dyspnea, higher levels of anxiety, reduced peripheral and inspiratory muscle strength, and a greater impairment of quality of life. The severity of fatigue was influenced by the worsening quality of life, heightened anxiety levels, and decreased peripheral muscle strength. Additionally, the worse quality of life was associated with a higher sensation of dyspnea, lower muscle strength, and reduced physical capacity.
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Affiliation(s)
- Maércio Santos
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Mariana Dorna
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Estefânia Franco
- Clinical Hospital of Botucatu Medical School, São Paulo State University (Unesp), Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Jéssica Geronutti
- Clinical Hospital of Botucatu Medical School, São Paulo State University (Unesp), Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Luís Brizola
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Letícia Ishimoto
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Yasmin Barros
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Adriele Costa
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Carolina Breda
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Caroline Marin
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Fernanda Suetake
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Paula Azevedo
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Sergio de Paiva
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Suzana Tanni
- São Paulo State University (Unesp), Medical School, Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
| | - Robson Prudente
- Clinical Hospital of Botucatu Medical School, São Paulo State University (Unesp), Distrito de Rubião Junior s/n, Botucatu 18618-970, São Paulo, Brazil
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Cardaci TD, VanderVeen BN, Bullard BM, McDonald SJ, Unger CA, Enos RT, Fan D, Velázquez KT, Frizzell N, Spangenburg EE, Murphy EA. Obesity worsens mitochondrial quality control and does not protect against skeletal muscle wasting in murine cancer cachexia. J Cachexia Sarcopenia Muscle 2024; 15:124-137. [PMID: 38062911 PMCID: PMC10834333 DOI: 10.1002/jcsm.13391] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 09/15/2023] [Accepted: 11/02/2023] [Indexed: 01/12/2024] Open
Abstract
BACKGROUND More than 650 million people are obese (BMI > 30) worldwide, which increases their risk for several metabolic diseases and cancer. While cachexia and obesity are at opposite ends of the weight spectrum, leading many to suggest a protective effect of obesity against cachexia, mechanistic support for obesity's benefit is lacking. Given that obesity and cachexia are both accompanied by metabolic dysregulation, we sought to investigate the impact of obesity on skeletal muscle mass loss and mitochondrial dysfunction in murine cancer cachexia. METHODS Male C57BL/6 mice were given a purified high fat or standard diet for 16 weeks before being implanted with 106 Lewis lung carcinoma (LLC) cells. Mice were monitored for 25 days, and hindlimb muscles were collected for cachexia indices and mitochondrial assessment via western blotting, high-resolution respirometry and transmission electron microscopy (TEM). RESULTS Obese LLC mice experienced significant tumour-free body weight loss similar to lean (-12.8% vs. -11.8%, P = 0.0001) but had reduced survival (33.3% vs. 6.67%, χ2 = 10.04, P = 0.0182). Obese LLC mice had reduced muscle weights (-24%, P < 0.0354) and mCSA (-16%, P = 0.0004) with similar activation of muscle p65 (P = 0.0337), and p38 (P = 0.0008). ADP-dependent coupled respiration was reduced in both Obese and Obese LLC muscle (-30%, P = 0.0072) consistent with reductions in volitional cage activity (-39%, P < 0.0001) and grip strength (-41%, P < 0.0001). TEM revealed stepwise reductions in intermyofibrillar and subsarcolemmal mitochondrial size with Obese (IMF: -37%, P = 0.0009; SS: -21%, P = 0.0101) and LLC (IMF: -40%, P = 0.0019; SS: -27%, P = 0.0383) mice. Obese LLC mice had increased pAMPK (T172; P = 0.0103) and reduced FIS1 (P = 0.0029) and DRP1 (P < 0.0001) mitochondrial fission proteins, which were each unchanged in Lean LLC. Further, mitochondrial TEM analysis revealed that Obese LLC mice had an accumulation of damaged and dysfunctional mitochondria (IMF: 357%, P = 0.0395; SS: 138%, P = 0.0174) in concert with an accumulation of p62 (P = 0.0328) suggesting impaired autophagy and clearance of damaged mitochondria. Moreover, we observed increases in electron lucent vacuoles only in Obese LLC muscle (IMF: 421%, P = 0.0260; SS: 392%, P = 0.0192), further supporting an accumulation of damaged materials that cannot be properly cleared in the obese cachectic muscle. CONCLUSIONS Taken together, these results demonstrate that obesity is not protective against cachexia and suggest exacerbated impairments to mitochondrial function and quality control with a particular disruption in the removal of damaged mitochondria. Our findings highlight the need for consideration of the severity of obesity and pre-existing metabolic conditions when determining the impact of weight status on cancer-induced cachexia and functional mitochondrial deficits.
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Affiliation(s)
- Thomas D Cardaci
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, South Carolina, USA
| | - Brandon N VanderVeen
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, South Carolina, USA
| | - Brooke M Bullard
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, South Carolina, USA
| | - Sierra J McDonald
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, South Carolina, USA
| | - Christian A Unger
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, South Carolina, USA
| | - Reilly T Enos
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, South Carolina, USA
| | - Daping Fan
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine, Columbia, South Carolina, USA
| | - Kandy T Velázquez
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, South Carolina, USA
| | - Norma Frizzell
- Department of Pharmacology, Physiology and Neuroscience, University of South Carolina School of Medicine, Columbia, South Carolina, USA
| | - Espen E Spangenburg
- Department of Physiology, East Carolina University, Greenville, North Carolina, USA
- Diabetes and Obesity Institute, Brody School of Medicine, East Carolina University, Greenville, North Carolina, USA
| | - E Angela Murphy
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, South Carolina, USA
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da Silva LNM, Filho AGO, Guimarães JB. Musculoskeletal manifestations of COVID-19. Skeletal Radiol 2023:10.1007/s00256-023-04549-4. [PMID: 38117308 DOI: 10.1007/s00256-023-04549-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 11/15/2023] [Accepted: 12/12/2023] [Indexed: 12/21/2023]
Abstract
During the COVID-19 pandemic, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infected millions of people worldwide, with acute respiratory distress syndrome (ARDS) being the most common severe condition of pulmonary involvement. Despite its involvement in the lungs, SARS-CoV-2 causes multiple extrapulmonary manifestations, including manifestations in the musculoskeletal system. Several cases involving bone, joint, muscle, neurovascular and soft tissues were reported shortly after pandemic onset. Even after the acute infection has resolved, many patients experience persistent symptoms and a decrease in quality of life, a condition known as post-COVID syndrome or long COVID. COVID-19 vaccines have been widely available since December 2020, preventing millions of deaths during the pandemic. However, adverse reactions, including those involving the musculoskeletal system, have been reported in the literature. Therefore, the primary goal of this article is to review the main imaging findings of SARS-CoV-2 involvement in the musculoskeletal system, including acute, subacute, chronic and postvaccination manifestations.
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Affiliation(s)
- Lucas N M da Silva
- Department of Musculoskeletal Radiology, Grupo Fleury, Sao Paulo, Brazil
| | | | - Júlio Brandão Guimarães
- Department of Musculoskeletal Radiology, Grupo Fleury, Sao Paulo, Brazil.
- Department of Radiology, Universidade Federal de Sao Paulo, UNIFESP-EPM, Sao Paulo, Brazil.
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, USA.
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Han L, Li P, He Q, Yang C, Jiang M, Wang Y, Cao Y, Han X, Liu X, Wu W. Revisiting Skeletal Muscle Dysfunction and Exercise in Chronic Obstructive Pulmonary Disease: Emerging Significance of Myokines. Aging Dis 2023:AD.2023.1125. [PMID: 38270119 DOI: 10.14336/ad.2023.1125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 11/25/2023] [Indexed: 01/26/2024] Open
Abstract
Skeletal muscle dysfunction (SMD) is the most significant extrapulmonary complication and an independent prognostic indicator in patients with chronic obstructive pulmonary disease (COPD). Myokines, such as interleukin (IL)-6, IL-15, myostatin, irisin, and insulin-like growth factor (IGF)-1, play important roles in skeletal muscle mitochondrial function, protein synthesis and breakdown balance, and regeneration of skeletal muscles in COPD. As the main component of pulmonary rehabilitation, exercise can improve muscle strength, muscle endurance, and exercise capacity in patients with COPD, as well as improve the prognosis of SMD and COPD by regulating the expression levels of myokines. The mechanisms by which exercise regulates myokine levels are related to microRNAs. IGF-1 expression is upregulated by decreasing the expression of miR-1 or miR-29b. Myostatin downregulation and irisin upregulation are associated with increased miR-27a expression and decreased miR-696 expression, respectively. These findings suggest that myokines are potential targets for the prevention and treatment of SMD in COPD. A comprehensive analysis of the role and regulatory mechanisms of myokines can facilitate the development of new exercise-based therapeutic approaches for patients with COPD.
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Affiliation(s)
- Lihua Han
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Peijun Li
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qinglan He
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Chen Yang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Meiling Jiang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Yingqi Wang
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yuanyuan Cao
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Xiaoyu Han
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Xiaodan Liu
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Weibing Wu
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
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Nakai H, Hirata Y, Furue H, Oku Y. Electrical stimulation mitigates muscle degradation shift in gene expressions during 12-h mechanical ventilation. Sci Rep 2023; 13:20136. [PMID: 37978221 PMCID: PMC10656540 DOI: 10.1038/s41598-023-47093-w] [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: 07/12/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023] Open
Abstract
Ventilator-induced diaphragm dysfunction (VIDD), a dysfunction of the diaphragm muscle caused by prolonged mechanical ventilation (MV), is an important factor that hinders successful weaning from ventilation. We evaluated the effects of electrical stimulation of the diaphragm muscle (pulsed current with off-time intervals) on genetic changes during 12 h of MV (E-V12). Rats were divided into four groups: control, 12-h MV, sham operation, and E-V12 groups. Transcriptome analysis using an RNA microarray revealed that 12-h MV caused upregulation of genes promoting muscle atrophy and downregulation of genes facilitating muscle synthesis, suggesting that 12-h MV is a reasonable method for establishing a VIDD rat model. Of the genes upregulated by 12-h MV, 18 genes were not affected by the sham operation but were downregulated by E-V12. These included genes related to catabolic processes, inflammatory cytokines, and skeletal muscle homeostasis. Of the genes downregulated by 12-h MV, 6 genes were not affected by the sham operation but were upregulated by E-V12. These included genes related to oxygen transport and mitochondrial respiration. These results suggested that 12-h MV shifted gene expression in the diaphragm muscle toward muscle degradation and that electrical stimulation counteracted this shift by suppressing catabolic processes and increasing mitochondrial respiration.
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Affiliation(s)
- Hideki Nakai
- Physiome, Department of Physiology, Hyogo Medical University, 1-1 Mukogawa-cho, Nishinomiya, Hyogo, 663-8501, Japan
- Department of Rehabilitation, Hyogo Prefectural Nishinomiya Hospital, 13-9, Rokutanji, Nishinomiya, Hyogo, 662-0918, Japan
| | - Yutaka Hirata
- Physiome, Department of Physiology, Hyogo Medical University, 1-1 Mukogawa-cho, Nishinomiya, Hyogo, 663-8501, Japan.
| | - Hidemasa Furue
- Department of Neurophysiology, Hyogo Medical University, 1-1 Mukogawa-cho, Nishinomiya, Hyogo, 663-8501, Japan
| | - Yoshitaka Oku
- Physiome, Department of Physiology, Hyogo Medical University, 1-1 Mukogawa-cho, Nishinomiya, Hyogo, 663-8501, Japan
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Wang C, Cheng Y, Li B, Qiu X, Hu H, Zhang X, Lu Z, Zheng F. Transcriptional characteristics and functional validation of three monocyte subsets during aging. Immun Ageing 2023; 20:50. [PMID: 37759225 PMCID: PMC10523626 DOI: 10.1186/s12979-023-00377-1] [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: 06/22/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023]
Abstract
BACKGROUND Age-associated changes in immunity are inextricably linked to chronic inflammation and age-related diseases, the impact of aging on monocyte subsets is poorly understood. METHODS Flow cytometry was applied to distinguish three monocyte subsets between 120 young and 103 aged individuals. We then analyzed the expression profiles of three monocyte subsets from 9 young and 9 older donors and CD14+ monocytes from 1202 individuals between 44 and 83 years old. Flow cytometry was used to measure β-galactosidase activities, ROS levels, mitochondrial contents, mitochondrial membrane potentials (MMPs) and intracellular IL-6 levels in three monocyte subsets of young and elderly individuals, and plasma IL-6 levels were detected by electrochemiluminescence immunoassay. Mitochondrial stress and glycolytic rate of CD14+ monocytes from young and aged individuals were measured by Seahorse XFe24 Analyzer. RESULTS Compared with young individuals, the percentage of classical subset in aged persons significantly decreased, while the proportion of nonclassical subset increased. Age-related differential genes were obviously enriched in cellular senescence, ROS, oxidative phosphorylation, mitochondrial respiratory chain, IL-6 and ribosome-related pathways. Compared with young individuals, the β-galactosidase activities, ROS contents, intracellular IL-6 levels of three monocyte subsets, and plasma IL-6 levels in aged individuals were significantly elevated, while the MMPs apparently declined with age and the mitochondrial contents were only increased in intermediate and nonclassical subsets. CD14+ monocytes from elderly adults had conspicuously lower basal and spare respiratory capacity and higher basal glycolysis than those from young individuals. CONCLUSIONS During aging, monocytes exhibited senescence-associated secretory phenotype, mitochondrial dysfunction, decreased oxidative phosphorylation and increased glycolysis and the nonclassical subset displayed the clearest features of aging. Our study comprehensively investigated age-related transcriptional alterations of three monocyte subsets and identified the pivotal pathways of monocyte senescence, which may have significant implications for tactics to alleviate age-related conditions.
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Affiliation(s)
- Chen Wang
- Center for Gene Diagnosis, Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
- Center of Clinical Laboratory, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Yating Cheng
- Center for Gene Diagnosis, Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Boyu Li
- Center for Gene Diagnosis, Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xueping Qiu
- Center for Gene Diagnosis, Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Hui Hu
- Center for Gene Diagnosis, Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xiaokang Zhang
- Center for Gene Diagnosis, Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Zhibing Lu
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Fang Zheng
- Center for Gene Diagnosis, Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
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9
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Bennett JL, Pratt AG, Dodds R, Sayer AA, Isaacs JD. Rheumatoid sarcopenia: loss of skeletal muscle strength and mass in rheumatoid arthritis. Nat Rev Rheumatol 2023; 19:239-251. [PMID: 36801919 DOI: 10.1038/s41584-023-00921-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/27/2023] [Indexed: 02/19/2023]
Abstract
Sarcopenia, a disorder that involves the generalized loss of skeletal muscle strength and mass, was formally recognized as a disease by its inclusion in the International Classification of Diseases in 2016. Sarcopenia typically affects older people, but younger individuals with chronic disease are also at risk. The risk of sarcopenia is high (with a prevalence of ≥25%) in individuals with rheumatoid arthritis (RA), and this rheumatoid sarcopenia is associated with increased likelihood of falls, fractures and physical disability, in addition to the burden of joint inflammation and damage. Chronic inflammation mediated by cytokines such as TNF, IL-6 and IFNγ contributes to aberrant muscle homeostasis (for instance, by exacerbating muscle protein breakdown), and results from transcriptomic studies have identified dysfunction of muscle stem cells and metabolism in RA. Progressive resistance exercise is an effective therapy for rheumatoid sarcopenia but it can be challenging or unsuitable for some individuals. The unmet need for anti-sarcopenia pharmacotherapies is great, both for people with RA and for otherwise healthy older adults.
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Affiliation(s)
- Joshua L Bennett
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.
- NIHR Newcastle Biomedical Research Centre, Newcastle University, Newcastle upon Tyne, UK.
- Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.
| | - Arthur G Pratt
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Richard Dodds
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- NIHR Newcastle Biomedical Research Centre, Newcastle University, Newcastle upon Tyne, UK
| | - Avan A Sayer
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- NIHR Newcastle Biomedical Research Centre, Newcastle University, Newcastle upon Tyne, UK
| | - John D Isaacs
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- NIHR Newcastle Biomedical Research Centre, Newcastle University, Newcastle upon Tyne, UK
- Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
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10
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Supruniuk E, Górski J, Chabowski A. Endogenous and Exogenous Antioxidants in Skeletal Muscle Fatigue Development during Exercise. Antioxidants (Basel) 2023; 12:antiox12020501. [PMID: 36830059 PMCID: PMC9952836 DOI: 10.3390/antiox12020501] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/09/2023] [Accepted: 02/15/2023] [Indexed: 02/18/2023] Open
Abstract
Muscle fatigue is defined as a decrease in maximal force or power generated in response to contractile activity, and it is a risk factor for the development of musculoskeletal injuries. One of the many stressors imposed on skeletal muscle through exercise is the increased production of reactive oxygen species (ROS) and reactive nitrogen species (RNS), which intensifies as a function of exercise intensity and duration. Exposure to ROS/RNS can affect Na+/K+-ATPase activity, intramyofibrillar calcium turnover and sensitivity, and actin-myosin kinetics to reduce muscle force production. On the other hand, low ROS/RNS concentrations can likely upregulate an array of cellular adaptative responses related to mitochondrial biogenesis, glucose transport and muscle hypertrophy. Consequently, growing evidence suggests that exogenous antioxidant supplementation might hamper exercise-engendering upregulation in the signaling pathways of mitogen-activated protein kinases (MAPKs), peroxisome-proliferator activated co-activator 1α (PGC-1α), or mammalian target of rapamycin (mTOR). Ultimately, both high (exercise-induced) and low (antioxidant intervention) ROS concentrations can trigger beneficial responses as long as they do not override the threshold range for redox balance. The mechanisms underlying the two faces of ROS/RNS in exercise, as well as the role of antioxidants in muscle fatigue, are presented in detail in this review.
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Affiliation(s)
- Elżbieta Supruniuk
- Department of Physiology, Medical University of Białystok, 15-222 Białystok, Poland
- Correspondence: ; Tel.: +48-(85)-748-55-85
| | - Jan Górski
- Department of Medical Sciences, Academy of Applied Sciences, 18-400 Łomża, Poland
| | - Adrian Chabowski
- Department of Physiology, Medical University of Białystok, 15-222 Białystok, Poland
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11
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Martins FM, Santagnello SB, de Oliveira Junior GN, de Sousa JDFR, Michelin MA, Nomelini RS, Murta EFC, Orsatti FL. Lower-Body Resistance Training Reduces Interleukin-1β and Transforming Growth Factor-β1 Levels and Fatigue and Increases Physical Performance in Breast Cancer Survivors. J Strength Cond Res 2023; 37:439-451. [PMID: 36696263 DOI: 10.1519/jsc.0000000000004270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
ABSTRACT Martins, FM, Santagnello, SB, de Oliveira Junior, GN, de Sousa, JdFR, Michelin, MA, Nomelini, RS, Murta, EFC, and Orsatti, FL. Lower-body resistance training reduces interleukin-1β and transforming growth factor-β1 levels and fatigue and increases physical performance in breast cancer survivors. J Strength Cond Res 37(2): 439-451, 2023-This article ascertains whether resistance training (RT) improves inflammatory markers, fatigue (sensations and fatigability), and physical performance in breast cancer survivors (BCS) and investigates whether the changes in the inflammatory markers, fatigue, and physical performance are associated with each other. Volunteers were randomly divided into 2 groups: control group (n = 11) and RT group (n = 11). Resistance training (3 sets of 8-12 repetitions with 80% 1 repetition maximum (1RM) on 4 exercises-leg extension, leg curl, 45° leg press, and calf raise) was performed 3 times a week for 12 weeks. Self-reported fatigue (SRF), fatigability (critical torque [CT] and W prime [W']), muscle strength, and circulating inflammatory markers were assessed using the Brief Fatigue Inventory, iDXA, 1RM test, protocol of 60 maximal voluntary isometric contractions, and enzyme-linked immunosorbent assay, respectively. Resistance training reduced interleukin (IL)-1β, transforming growth factor (TGF)-β1, and SRF score and increased muscle strength, 6-minute walk test (6MWT), CT, and W'. In the RT group, the changes in SRF were positively associated with the changes in IL-1β. The changes in muscle strength were associated with the changes in CT and W', and the changes in the 6MWT were associated with the changes in CT, W', muscle strength, and SRF. Resistance training improved fatigue and physical performance and reduced IL-1β, and TGF-β1 in BCS. Although improvement in fatigability seems to be dependent on the increase in muscle strength, improvement in the sensation of fatigue seems to be dependent on the reduction in IL-1β after RT. Increase in physical performance seems to be dependent on improvement in muscle strength and fatigue.
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Affiliation(s)
- Fernanda Maria Martins
- Research Applied Physiology, Exercise Biology Research Group (BioEx), Federal University of Triângulo Mineiro (UFTM), Uberaba, Minas Gerais, Brazil
| | - Samarita Beraldo Santagnello
- Research Applied Physiology, Exercise Biology Research Group (BioEx), Federal University of Triângulo Mineiro (UFTM), Uberaba, Minas Gerais, Brazil
| | | | - Jairo de Freitas Rodrigues de Sousa
- Research Applied Physiology, Exercise Biology Research Group (BioEx), Federal University of Triângulo Mineiro (UFTM), Uberaba, Minas Gerais, Brazil
| | - Márcia Antoniazi Michelin
- Research Institute of Oncology (IPON) and Gynecology and Obstetrics Course, Federal University of Triângulo Mineiro (UFTM), Uberaba, Minas Gerais, Brazil ; and
| | - Rosekeila Simões Nomelini
- Research Institute of Oncology (IPON) and Gynecology and Obstetrics Course, Federal University of Triângulo Mineiro (UFTM), Uberaba, Minas Gerais, Brazil ; and
| | - Eddie Fernando Candido Murta
- Research Institute of Oncology (IPON) and Gynecology and Obstetrics Course, Federal University of Triângulo Mineiro (UFTM), Uberaba, Minas Gerais, Brazil ; and
| | - Fábio Lera Orsatti
- Research Applied Physiology, Exercise Biology Research Group (BioEx), Federal University of Triângulo Mineiro (UFTM), Uberaba, Minas Gerais, Brazil
- Department of Sport Sciences, Federal University of Triângulo Mineiro (UFTM), Uberaba, Minas Gerais, Brazil
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12
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VanderVeen BN, Cardaci TD, McDonald SJ, Madero SS, Unger CA, Bullard BM, Enos RT, Velázquez KT, Kubinak JL, Fan D, Murphy EA. Obesity reduced survival with 5-fluorouracil and did not protect against chemotherapy-induced cachexia or immune cell cytotoxicity in mice. Cancer Biol Ther 2022; 23:1-15. [PMID: 35968771 PMCID: PMC9377261 DOI: 10.1080/15384047.2022.2108306] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/28/2022] [Accepted: 07/24/2022] [Indexed: 01/12/2023] Open
Abstract
Fluorouracil/5-flourouracil (5FU) is a first-line chemotherapy drug for many cancer types; however, its associated toxicities contribute to poor quality of life and reduced dose intensities negatively impacting patient prognosis. While obesity remains a critical risk factor for most cancers, our understanding regarding how obesity may impact chemotherapy's toxicities is extremely limited. C56BL/6 mice were given high fat (Obese) or standard diets (Lean) for 4 months and then subjected to three cycles of 5FU (5d-40 mg/kg Lean Mass, 9d rest) or PBS vehicle control. Shockingly, only 60% of Obese survived 3 cycles compared to 100% of Lean, and Obese lost significantly more body weight. Dihydropyrimidine dehydrogenase (DPD), the enzyme responsible for 5FU catabolism, was reduced in obese livers. Total white blood cells, neutrophils, and lymphocytes were reduced in Obese 5FU compared to Lean 5FU and PBS controls. While adipocyte size was not affected by 5FU in Obese, skeletal muscle mass and myofibrillar cross section area were decreased following 5FU in Lean and Obese. Although adipose tissue inflammatory gene expression was not impacted by 5FU, distinct perturbations to skeletal muscle inflammatory gene expression and immune cell populations (CD45+ Immune cells, CD45+CD11b+CD68+ macrophages and CD45+CD11b+Ly6clo/int macrophage/monocytes) were observed in Obese only. Our evidence suggests that obesity induced liver pathologies and reduced DPD exacerbated 5FU toxicities. While obesity has been suggested to protect against cancer/chemotherapy-induced cachexia and other toxicities, our results demonstrate that obese mice are not protected, but rather show evidence of increased susceptibility to 5FU-induced cytotoxicity even when dosed for relative lean mass.
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Affiliation(s)
- Brandon N. VanderVeen
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
| | - Thomas D. Cardaci
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
| | - Sierra J. McDonald
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
| | - Sarah S. Madero
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
| | - Christian A. Unger
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
| | - Brooke M. Bullard
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
| | - Reilly T. Enos
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
| | - Kandy T. Velázquez
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
| | - Jason L. Kubinak
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
| | - Daping Fan
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
| | - E. Angela Murphy
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine – Columbia, Columbia, SC, USA
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13
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VanderVeen BN, Cardaci TD, Cunningham P, McDonald SJ, Bullard BM, Fan D, Murphy EA, Velázquez KT. Quercetin Improved Muscle Mass and Mitochondrial Content in a Murine Model of Cancer and Chemotherapy-Induced Cachexia. Nutrients 2022; 15:102. [PMID: 36615760 PMCID: PMC9823918 DOI: 10.3390/nu15010102] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/19/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
A cachexia diagnosis is associated with a doubling in hospital stay and increased healthcare cost for cancer patients and most cachectic patients do not survive treatment. Unfortunately, complexity in treating cachexia is amplified by both the underlying malignancy and the anti-cancer therapy which can independently promote cachexia. Quercetin, an organic polyphenolic flavonoid, has demonstrated anti-inflammatory and antioxidant properties with promise in protecting against cancer and chemotherapy-induced dysfunction; however, whether quercetin is efficacious in maintaining muscle mass in tumor-bearing animals receiving chemotherapy has not been investigated. C26 tumor-bearing mice were given 5-fluorouracil (5FU; 30 mg/kg of lean mass i.p.) concomitant with quercetin (Quer; 50 mg/kg of body weight via oral gavage) or vehicle. Both C26 + 5FU and C26 + 5FU + Quer had similar body weight loss; however, muscle mass and cross-sectional area was greater in C26 + 5FU + Quer compared to C26 + 5FU. Additionally, C26 + 5FU + Quer had a greater number and larger intermyofibrillar mitochondria with increased relative protein expression of mitochondrial complexes V, III, and II as well as cytochrome c expression. C26 + 5FU + Quer also had increased MFN1 and reduced FIS1 relative protein expression without apparent benefits to muscle inflammatory signaling. Our data suggest that quercetin protected against cancer and chemotherapy-induced muscle mass loss through improving mitochondrial homeostatic balance.
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Affiliation(s)
- Brandon N. VanderVeen
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC 29209, USA
- AcePre, LLC, Columbia, SC 29209, USA
| | - Thomas D. Cardaci
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC 29209, USA
| | - Patrice Cunningham
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC 29209, USA
| | - Sierra J. McDonald
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC 29209, USA
| | - Brooke M. Bullard
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC 29209, USA
| | - Daping Fan
- AcePre, LLC, Columbia, SC 29209, USA
- Department of Cell Biology and Anatomy, School of Medicine, University of South Carolina, Columbia, SC 29209, USA
| | - E. Angela Murphy
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC 29209, USA
- AcePre, LLC, Columbia, SC 29209, USA
| | - Kandy T. Velázquez
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC 29209, USA
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14
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Huot JR, Pin F, Chatterjee R, Bonetto A. PGC1α overexpression preserves muscle mass and function in cisplatin-induced cachexia. J Cachexia Sarcopenia Muscle 2022; 13:2480-2491. [PMID: 35903870 PMCID: PMC9530502 DOI: 10.1002/jcsm.13035] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/12/2022] [Accepted: 05/12/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Chemotherapy induces a cachectic-like phenotype, accompanied by skeletal muscle wasting, weakness and mitochondrial dysfunction. Peroxisome proliferator-activated receptor-gamma coactivator-1 alpha (PGC1α), a regulator of mitochondrial biogenesis, is often reduced in cachectic skeletal muscle. Overexpression of PGC1α has yielded mixed beneficial results in cancer cachexia, yet investigations using such approach in a chemotherapy setting are limited. Utilizing transgenic mice, we assessed whether overexpression of PGC1α could combat the skeletal muscle consequences of cisplatin. METHODS Young (2 month) and old (18 month) wild-type (WT) and PGC1α transgenic male and female mice (Tg) were injected with cisplatin (C; 2.5 mg/kg) for 2 weeks, while control animals received saline (n = 5-9/group). Animals were assessed for muscle mass and force, motor unit connectivity, and expression of mitochondrial proteins. RESULTS Young WT + C mice displayed reduced gastrocnemius mass (male: -16%, P < 0.0001; female: -11%, P < 0.001), muscle force (-6%, P < 0.05, both sexes), and motor unit number estimation (MUNE; male: -53%, P < 0.01; female: -51%, P < 0.01). Old WT + C male and female mice exhibited gastrocnemius wasting (male: -22%, P < 0.05; female: -27%, P < 0.05), muscle weakness (male: -20%, P < 0.0001; female: -17%, P < 0.01), and loss of MUNE (male: -82%, P < 0.01; female: -62%, P < 0.05), suggesting exacerbated cachexia compared with younger animals. Overexpression of PGC1α had mild protective effects on muscle mass in young Tg + C male only (gastrocnemius: +10%, P < 0.05); however, force and MUNE were unchanged in both young Tg + C male and female, suggesting preservation of neuromuscular function. In older male, protective effects associated with PGC1α overexpression were heighted with Tg + C demonstrating preserved muscle mass (gastrocnemius: +34%, P < 0.001), muscle force (+13%, P < 0.01), and MUNE (+3-fold, P < 0.05). Similarly, old female Tg + C did not exhibit muscle wasting or reductions in MUNE, and had preserved muscle force (+11%, P < 0.05) compared with female WT + C. Follow-up molecular analysis demonstrated that aged WT animals were more susceptible to cisplatin-induced loss of mitochondrial proteins, including PGC1α, OPA1, cytochrome-C, and Cox IV. CONCLUSIONS In our study, the negative effects of cisplatin were heighted in aged animals, whereas overexpression of PGC1α was sufficient to combat the neuromuscular dysfunction caused by cisplatin, especially in older animals. Hence, our observations indicate that aged animals may be more susceptible to develop chemotherapy side toxicities and that mitochondria-targeted strategies may serve as a tool to prevent chemotherapy-induced muscle wasting and weakness.
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Affiliation(s)
- Joshua R. Huot
- Department of SurgeryIndiana University School of MedicineIndianapolisINUSA
- Department of Anatomy, Cell Biology & PhysiologyIndiana University School of MedicineIndianapolisINUSA
| | - Fabrizio Pin
- Department of Anatomy, Cell Biology & PhysiologyIndiana University School of MedicineIndianapolisINUSA
| | - Rohit Chatterjee
- Department of SurgeryIndiana University School of MedicineIndianapolisINUSA
| | - Andrea Bonetto
- Department of SurgeryIndiana University School of MedicineIndianapolisINUSA
- Department of Anatomy, Cell Biology & PhysiologyIndiana University School of MedicineIndianapolisINUSA
- Department of Otolaryngology – Head & Neck SurgeryIndiana University School of MedicineIndianapolisINUSA
- Indiana Center for Musculoskeletal HealthIndiana University School of MedicineIndianapolisINUSA
- Simon Comprehensive Cancer CenterIndiana University School of MedicineIndianapolisINUSA
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15
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Gonzalez A, Abrigo J, Achiardi O, Simon F, Cabello-Verrugio C. Intensive care unit-acquired weakness: From molecular mechanisms to its impact in COVID-2019. Eur J Transl Myol 2022; 32. [PMID: 36036350 PMCID: PMC9580540 DOI: 10.4081/ejtm.2022.10511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 08/08/2022] [Indexed: 01/08/2023] Open
Abstract
Intensive Care Unit-Acquired Weakness (ICU-AW) is a generalized and symmetric neuromuscular dysfunction associated with critical illness and its treatments. Its incidence is approximately 80% in intensive care unit patients, and it manifests as critical illness polyneuropathy, critical illness myopathy, and muscle atrophy. Intensive care unit patients can lose an elevated percentage of their muscle mass in the first days after admission, producing short- and long-term sequelae that affect patients’ quality of life, physical health, and mental health. In 2019, the world was faced with coronavirus disease 2019 (COVID-19), caused by the acute respiratory syndrome coronavirus 2. COVID-19 produces severe respiratory disorders, such as acute respiratory distress syndrome, which increases the risk of developing ICU-AW. COVID-19 patients treated in intensive care units have shown early diffuse and symmetrical muscle weakness, polyneuropathy, and myalgia, coinciding with the clinical presentation of ICU-AW. Besides, these patients require prolonged intensive care unit stays, invasive mechanical ventilation, and intensive care unit pharmacological therapy, which are risk factors for ICU-AW. Thus, the purposes of this review are to discuss the features of ICU-AW and its effects on skeletal muscle. Further, we will describe the mechanisms involved in the probable development of ICU-AW in severe COVID-19 patients.
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16
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Hughes DC, Hardee JP, Waddell DS, Goodman CA. CORP: Gene delivery into murine skeletal muscle using in vivo electroporation. J Appl Physiol (1985) 2022; 133:41-59. [PMID: 35511722 DOI: 10.1152/japplphysiol.00088.2022] [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] [Indexed: 11/22/2022] Open
Abstract
The strategy of gene delivery into skeletal muscles has provided exciting avenues in identifying new potential therapeutics towards muscular disorders and addressing basic research questions in muscle physiology through overexpression and knockdown studies. In vivo electroporation methodology offers a simple, rapidly effective technique for the delivery of plasmid DNA into post-mitotic skeletal muscle fibers and the ability to easily explore the molecular mechanisms of skeletal muscle plasticity. The purpose of this review is to describe how to robustly electroporate plasmid DNA into different hindlimb muscles of rodent models. Further, key parameters (e.g., voltage, hyaluronidase, plasmid concentration) which contribute to the successful introduction of plasmid DNA into skeletal muscle fibers will be discussed. In addition, details on processing tissue for immunohistochemistry and fiber cross-sectional area (CSA) analysis will be outlined. The overall goal of this review is to provide the basic and necessary information needed for successful implementation of in vivo electroporation of plasmid DNA and thus open new avenues of discovery research in skeletal muscle physiology.
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Affiliation(s)
- David C Hughes
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Justin P Hardee
- Centre for Muscle Research (CMR), Department of Anatomy and Physiology, The University of Melbourne, Victoria, Australia
| | - David S Waddell
- Department of Biology, University of North Florida, Jacksonville, FL, United States
| | - Craig A Goodman
- Centre for Muscle Research (CMR), Department of Anatomy and Physiology, The University of Melbourne, Victoria, Australia
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17
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Silva CC, Bichara CNC, Carneiro FRO, Palacios VRDCM, Berg AVSVD, Quaresma JAS, Magno Falcão LF. Muscle dysfunction in the long coronavirus disease 2019 syndrome: Pathogenesis and clinical approach. Rev Med Virol 2022; 32:e2355. [PMID: 35416359 PMCID: PMC9111061 DOI: 10.1002/rmv.2355] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/20/2022] [Accepted: 04/01/2022] [Indexed: 01/08/2023]
Abstract
In long coronavirus disease 2019 (long COVID‐19), involvement of the musculoskeletal system is characterised by the persistence or appearance of symptoms such as fatigue, muscle weakness, myalgia, and decline in physical and functional performance, even at 4 weeks after the onset of acute symptoms of COVID‐19. Muscle injury biomarkers are altered during the acute phase of the disease. The cellular damage and hyperinflammatory state induced by severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) infection may contribute to the persistence of symptoms, hypoxaemia, mitochondrial damage, and dysregulation of the renin‐angiotensin system. In addition, the occurrence of cerebrovascular diseases, involvement of the peripheral nervous system, and harmful effects of hospitalisation, such as the use of drugs, immobility, and weakness acquired in the intensive care unit, all aggravate muscle damage. Here, we review the multifactorial mechanisms of muscle tissue injury, aggravating conditions, and associated sequelae in long COVID‐19.
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Affiliation(s)
- Camilla Costa Silva
- Center for Biological and Health Sciences, State University of Para, Belém, Brazil
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18
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dos Santos PK, Sigoli E, Bragança LJ, Cornachione AS. The Musculoskeletal Involvement After Mild to Moderate COVID-19 Infection. Front Physiol 2022; 13:813924. [PMID: 35492595 PMCID: PMC9040683 DOI: 10.3389/fphys.2022.813924] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 03/01/2022] [Indexed: 12/13/2022] Open
Abstract
COVID-19, a disease caused by the novel coronavirus SARS-CoV-2, has been drastically affecting the daily lives of millions of people. COVID-19 is described as a multiorgan disease that affects not only the respiratory tract of infected individuals, but it has considerable effects on the musculoskeletal system, causing excessive fatigue, myalgia, arthralgia, muscle weakness and skeletal muscle damage. These symptoms can persist for months, decreasing the quality of life of numerous individuals. Curiously, most studies in the scientific literature focus on patients who were hospitalized due to SARS-CoV-2 infection and little is known about the mechanism of action of COVID-19 on skeletal muscles, especially of individuals who had the mild to moderate forms of the disease (non-hospitalized patients). In this review, we focus on the current knowledge about the musculoskeletal system in COVID-19, highlighting the lack of researches investigating the mild to moderate cases of infection and pointing out why it is essential to care for these patients. Also, we will comment about the need of more experimental data to assess the musculoskeletal manifestations on COVID-19-positive individuals.
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Affiliation(s)
- Patty K. dos Santos
- Muscle Physiology and Biophysics Laboratory, Department of Physiological Sciences, Federal University of São Carlos (UFSCar), São Carlos, Brazil
| | | | | | - Anabelle S. Cornachione
- Muscle Physiology and Biophysics Laboratory, Department of Physiological Sciences, Federal University of São Carlos (UFSCar), São Carlos, Brazil
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19
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Kunz HE, Port JD, Kaufman KR, Jatoi A, Hart CR, Gries KJ, Lanza IR, Kumar R. Skeletal muscle mitochondrial dysfunction and muscle and whole body functional deficits in cancer patients with weight loss. J Appl Physiol (1985) 2022; 132:388-401. [PMID: 34941442 PMCID: PMC8791841 DOI: 10.1152/japplphysiol.00746.2021] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Reductions in skeletal muscle mass and function are often reported in patients with cancer-associated weight loss and are associated with reduced quality of life, impaired treatment tolerance, and increased mortality. Although cellular changes, including altered mitochondrial function, have been reported in animals, such changes have been incompletely characterized in humans with cancer. Whole body and skeletal muscle physical function, skeletal muscle mitochondrial function, and whole body protein turnover were assessed in eight patients with cancer-associated weight loss (10.1 ± 4.2% body weight over 6-12 mo) and 19 age-, sex-, and body mass index (BMI)-matched healthy controls to characterize skeletal muscle changes at the whole body, muscle, and cellular level. Potential pathways involved in cancer-induced alterations in metabolism and mitochondrial function were explored by interrogating skeletal muscle and plasma metabolomes. Despite similar lean mass compared with control participants, patients with cancer exhibited reduced habitual physical activity (57% fewer daily steps), cardiorespiratory fitness [22% lower V̇o2peak (mL/kg/min)] and leg strength (35% lower isokinetic knee extensor strength), and greater leg neuromuscular fatigue (36% greater decline in knee extensor torque). Concomitant with these functional declines, patients with cancer had lower mitochondrial oxidative capacity [25% lower State 3 O2 flux (pmol/s/mg tissue)] and ATP production [23% lower State 3 ATP production (pmol/s/mg tissue)] and alterations in phospholipid metabolite profiles indicative of mitochondrial abnormalities. Whole body protein turnover was unchanged. These findings demonstrate mitochondrial abnormalities concomitant with whole body and skeletal muscle functional derangements associated with human cancer, supporting future work studying the role of mitochondria in the muscle deficits associated with cancer.NEW & NOTEWORTHY To our knowledge, this is the first study to suggest that skeletal muscle mitochondrial deficits are associated with cancer-associated weight loss in humans. Mitochondrial deficits were concurrent with reductions in whole body and skeletal muscle functional capacity. Whether mitochondrial deficits are causal or secondary to cancer-associated weight loss and functional deficits remains to be determined, but this study supports further exploration of mitochondria as a driver of cancer-associated losses in muscle mass and function.
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Affiliation(s)
- Hawley E. Kunz
- 1Endocrine Research Unit, Division of Endocrinology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - John D. Port
- 2Division of Neuroradiology, Department of Radiology, Mayo Clinic, Rochester, Minnesota
| | - Kenton R. Kaufman
- 3Motion Analysis Laboratory, Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Aminah Jatoi
- 4Department of Oncology, Mayo Clinic, Rochester, Minnesota
| | - Corey R. Hart
- 1Endocrine Research Unit, Division of Endocrinology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Kevin J. Gries
- 1Endocrine Research Unit, Division of Endocrinology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Ian R. Lanza
- 1Endocrine Research Unit, Division of Endocrinology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Rajiv Kumar
- 5Nephrology and Hypertension Research Unit, Division of Nephrology and Hypertension, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota,6Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota
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20
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Docherty S, Harley R, McAuley JJ, Crowe LAN, Pedret C, Kirwan PD, Siebert S, Millar NL. The effect of exercise on cytokines: implications for musculoskeletal health: a narrative review. BMC Sports Sci Med Rehabil 2022; 14:5. [PMID: 34991697 PMCID: PMC8740100 DOI: 10.1186/s13102-022-00397-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 12/31/2021] [Indexed: 02/07/2023]
Abstract
The physiological effects of physical exercise are ubiquitously reported as beneficial to the cardiovascular and musculoskeletal systems. Exercise is widely promoted by medical professionals to aid both physical and emotional wellbeing; however, mechanisms through which this is achieved are less well understood. Despite numerous beneficial attributes, certain types of exercise can inflict significant significant physiological stress. Several studies document a key relationship between exercise and immune activation. Activation of the innate immune system occurs in response to exercise and it is proposed this is largely mediated by cytokine signalling. Cytokines are typically classified according to their inflammatory properties and evidence has shown that cytokines expressed in response to exercise are diverse and may act to propagate, modulate or mitigate inflammation in musculoskeletal health. The review summarizes the existing literature on the relationship between exercise and the immune system with emphasis on how exercise-induced cytokine expression modulates inflammation and the immune response.
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Affiliation(s)
- Sophie Docherty
- Institute of Infection, Immunity and Inflammation, College of Medicine, Veterinary and Life Sciences, University of Glasgow, 120 University Avenue, Glasgow, G12 8TA, Scotland, UK
| | - Rachael Harley
- Institute of Infection, Immunity and Inflammation, College of Medicine, Veterinary and Life Sciences, University of Glasgow, 120 University Avenue, Glasgow, G12 8TA, Scotland, UK
| | - Joseph J McAuley
- Institute of Infection, Immunity and Inflammation, College of Medicine, Veterinary and Life Sciences, University of Glasgow, 120 University Avenue, Glasgow, G12 8TA, Scotland, UK
| | - Lindsay A N Crowe
- Institute of Infection, Immunity and Inflammation, College of Medicine, Veterinary and Life Sciences, University of Glasgow, 120 University Avenue, Glasgow, G12 8TA, Scotland, UK
| | - Carles Pedret
- Sports Medicine and Imaging Department, Clinica Diagonal, C/Sant Mateu 24-26, 08950, Esplugues de Llobregat, Spain
| | - Paul D Kirwan
- School of Physiotherapy, Royal College of Surgeons in Ireland, Dublin, Ireland
- Physiotherapy Department, Connolly Hospital, Dublin, Ireland
| | - Stefan Siebert
- Institute of Infection, Immunity and Inflammation, College of Medicine, Veterinary and Life Sciences, University of Glasgow, 120 University Avenue, Glasgow, G12 8TA, Scotland, UK
| | - Neal L Millar
- Institute of Infection, Immunity and Inflammation, College of Medicine, Veterinary and Life Sciences, University of Glasgow, 120 University Avenue, Glasgow, G12 8TA, Scotland, UK.
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21
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Abstract
Coronavirus disease (COVID-19) arising from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) viral infection has caused a worldwide pandemic, mainly owing to its highly virulent nature stemming from a very strong and highly efficacious binding to the angiotensin converting enzyme-2 (ACE2) receptor. As the pandemic developed, increasing numbers of COVID-19 patients with neurological manifestations were reported, strongly suggesting a causal relationship. Indeed, direct invasion of SARS-CoV-2 viral particles into the brain can occur through the cribriform plate via olfactory nerves, passage through a damaged blood-brain-barrier, or via haematogenic infiltration of infected leukocytes. Neurological complications range from potentially fatal encephalopathy and stroke, to the onset of headaches and dizziness, which despite their apparent innocuous presentation may still imply a more sinister pathology. Here, we summarize the most recent knowledge on the neurological presentations typically being associated with COVID-19, whilst providing potential pathophysiological mechanisms. The latter are centered upon hypoxic brain injury, generation of a cytokine storm with attendant immune-mediated damage, and a prothrombotic state. A better understanding of both the neuroinvasive properties of SARS-CoV-2 and the neurological complications of COVID-19 will be important to improve patient outcomes.
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Affiliation(s)
- Matteo Galea
- Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
| | - Michaela Agius
- Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
| | - Neville Vassallo
- Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta.,Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta
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22
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Jenkins RH, Hughes STO, Figueras AC, Jones SA. Unravelling the broader complexity of IL-6 involvement in health and disease. Cytokine 2021; 148:155684. [PMID: 34411990 DOI: 10.1016/j.cyto.2021.155684] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/20/2021] [Accepted: 08/04/2021] [Indexed: 02/07/2023]
Abstract
The classification of interleukin-6 (IL-6) as a pro-inflammatory cytokine undervalues the biological impact of this cytokine in health and disease. With broad activities affecting the immune system, tissue homeostasis and metabolic processes, IL-6 displays complex biology. The significance of these involvements has become increasingly important in clinical settings where IL-6 is identified as a prominent target for therapy. Here, clinical experience with IL-6 antagonists emphasises the need to understand the context-dependent properties of IL-6 within an inflammatory environment and the anticipated or unexpected consequences of IL-6 blockade. In this review, we will describe the immunobiology of IL-6 and explore the gamut of IL-6 bioactivity affecting the clinical response to biological drugs targeting this cytokine pathway.
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Affiliation(s)
- Robert H Jenkins
- Division of Infection & Immunity, The School of Medicine, Cardiff University, Cardiff, Wales, UK; Systems Immunity Research Institute, The School of Medicine, Cardiff University, Cardiff, Wales, UK
| | - Stuart T O Hughes
- Division of Infection & Immunity, The School of Medicine, Cardiff University, Cardiff, Wales, UK; Systems Immunity Research Institute, The School of Medicine, Cardiff University, Cardiff, Wales, UK
| | - Ana Cardus Figueras
- Division of Infection & Immunity, The School of Medicine, Cardiff University, Cardiff, Wales, UK; Systems Immunity Research Institute, The School of Medicine, Cardiff University, Cardiff, Wales, UK
| | - Simon A Jones
- Division of Infection & Immunity, The School of Medicine, Cardiff University, Cardiff, Wales, UK; Systems Immunity Research Institute, The School of Medicine, Cardiff University, Cardiff, Wales, UK.
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23
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Gonzalez-Armenta JL, Li N, Lee RL, Lu B, Molina AJA. Heterochronic Parabiosis: Old Blood Induces Changes in Mitochondrial Structure and Function of Young Mice. J Gerontol A Biol Sci Med Sci 2021; 76:434-439. [PMID: 33377482 DOI: 10.1093/gerona/glaa299] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Indexed: 12/15/2022] Open
Abstract
Heterochronic parabiosis models have been utilized to demonstrate the role of blood-borne circulating factors in systemic effects of aging. In previous studies, heterochronic parabiosis has shown positive effects across multiple tissues in old mice. More recently, a study demonstrated old blood had a more profound negative effect on muscle performance and neurogenesis of young mice. In this study, we used heterochronic parabiosis to test the hypothesis that circulating factors mediate mitochondrial bioenergetic decline, a well-established biological hallmark of aging. We examined mitochondrial morphology, expression of mitochondrial complexes, and mitochondrial respiration from skeletal muscle of mice connected as heterochronic pairs, as well as young and old isochronic controls. Our results indicate that young heterochronic mice had significantly lower total mitochondrial content and on average had significantly smaller mitochondria compared to young isochronic controls. Expression of complex IV followed a similar pattern: young heterochronic mice had a trend for lower expression compared to young isochronic controls. Additionally, respirometric analyses indicate that young heterochronic mice had significantly lower complex I, complex I + II, and maximal mitochondrial respiration and a trend for lower complex II-driven respiration compared to young isochronic controls. Interestingly, we did not observe significant improvements in old heterochronic mice compared to old isochronic controls, demonstrating the profound deleterious effects of circulating factors from old mice on mitochondrial structure and function. We also found no significant differences between the young and old heterochronic mice, demonstrating that circulating factors can be a driver of age-related differences in mitochondrial structure and function.
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Affiliation(s)
- Jenny L Gonzalez-Armenta
- Section on Molecular Medicine, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina.,Section on Gerontology and Geriatrics, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina.,J Paul Sticht Center for Healthy Aging and Alzheimer's Prevention, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Ning Li
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rae-Ling Lee
- Section on Gerontology and Geriatrics, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina.,J Paul Sticht Center for Healthy Aging and Alzheimer's Prevention, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Baisong Lu
- Wake Forest Institute for Regenerative Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina
| | - Anthony J A Molina
- Division of Geriatrics and Gerontology, Department of Medicine, University of California San Diego School of Medicine, La Jolla
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24
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Sadek J, Hall DT, Colalillo B, Omer A, Tremblay AK, Sanguin‐Gendreau V, Muller W, Di Marco S, Bianchi ME, Gallouzi I. Pharmacological or genetic inhibition of iNOS prevents cachexia-mediated muscle wasting and its associated metabolism defects. EMBO Mol Med 2021; 13:e13591. [PMID: 34096686 PMCID: PMC8261493 DOI: 10.15252/emmm.202013591] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 05/12/2021] [Accepted: 05/18/2021] [Indexed: 12/22/2022] Open
Abstract
Cachexia syndrome develops in patients with diseases such as cancer and sepsis and is characterized by progressive muscle wasting. While iNOS is one of the main effectors of cachexia, its mechanism of action and whether it could be targeted for therapy remains unexplored. Here, we show that iNOS knockout mice and mice treated with the clinically tested iNOS inhibitor GW274150 are protected against muscle wasting in models of both septic and cancer cachexia. We demonstrate that iNOS triggers muscle wasting by disrupting mitochondrial content, morphology, and energy production processes such as the TCA cycle and acylcarnitine transport. Notably, iNOS inhibits oxidative phosphorylation through impairment of complexes II and IV of the electron transport chain and reduces ATP production, leading to energetic stress, activation of AMPK, suppression of mTOR, and, ultimately, muscle atrophy. Importantly, all these effects were reversed by GW274150. Therefore, our data establish how iNOS induces muscle wasting under cachectic conditions and provide a proof of principle for the repurposing of iNOS inhibitors, such as GW274150 for the treatment of cachexia.
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Affiliation(s)
- Jason Sadek
- Department of BiochemistryMcGill UniversityMontrealQCCanada
- Rosalind & Morris Goodman Cancer Research CenterMcGill UniversityMontrealQCCanada
| | - Derek T Hall
- Department of BiochemistryMcGill UniversityMontrealQCCanada
- Rosalind & Morris Goodman Cancer Research CenterMcGill UniversityMontrealQCCanada
- Sprott Centre for Stem Cell ResearchRegenerative Medicine ProgramOttawa Hospital Research InstituteOttawaONCanada
- Department of Cellular and Molecular MedicineFaculty of MedicineUniversity of OttawaOttawaONCanada
| | - Bianca Colalillo
- Department of BiochemistryMcGill UniversityMontrealQCCanada
- Rosalind & Morris Goodman Cancer Research CenterMcGill UniversityMontrealQCCanada
| | - Amr Omer
- Department of BiochemistryMcGill UniversityMontrealQCCanada
- Rosalind & Morris Goodman Cancer Research CenterMcGill UniversityMontrealQCCanada
| | - Anne‐Marie K Tremblay
- Department of BiochemistryMcGill UniversityMontrealQCCanada
- Rosalind & Morris Goodman Cancer Research CenterMcGill UniversityMontrealQCCanada
| | - Virginie Sanguin‐Gendreau
- Department of BiochemistryMcGill UniversityMontrealQCCanada
- Rosalind & Morris Goodman Cancer Research CenterMcGill UniversityMontrealQCCanada
| | - William Muller
- Department of BiochemistryMcGill UniversityMontrealQCCanada
- Rosalind & Morris Goodman Cancer Research CenterMcGill UniversityMontrealQCCanada
| | - Sergio Di Marco
- Department of BiochemistryMcGill UniversityMontrealQCCanada
- Rosalind & Morris Goodman Cancer Research CenterMcGill UniversityMontrealQCCanada
| | - Marco Emilio Bianchi
- Division of Genetics and Cell BiologyChromatin Dynamics UnitIRCCS San Raffaele Scientific Institute and Vita‐Salute San Raffaele UniversityMilanItaly
| | - Imed‐Eddine Gallouzi
- Department of BiochemistryMcGill UniversityMontrealQCCanada
- Rosalind & Morris Goodman Cancer Research CenterMcGill UniversityMontrealQCCanada
- KAUST Smart‐Health Initiative and Biological and Environmental Science and Engineering (BESE) DivisionKing Abdullah University of Science and Technology (KAUST)JeddahSaudi Arabia
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25
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Olivar-Villanueva M, Ren M, Phoon CKL. Neurological & psychological aspects of Barth syndrome: Clinical manifestations and potential pathogenic mechanisms. Mitochondrion 2021; 61:188-195. [PMID: 34197965 DOI: 10.1016/j.mito.2021.06.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 06/10/2021] [Accepted: 06/23/2021] [Indexed: 02/06/2023]
Abstract
Barth syndrome is a rare X-linked multisystem mitochondrial disease that is caused by variants in the tafazzin gene leading to deficient and abnormal cardiolipin. Previous research has focused on the cardiomyopathy and neutropenia in individuals with Barth syndrome, yet just as common are the least explored neurological aspects of Barth syndrome. This review focuses on the major neuropsychological and neurophysiological phenotypes that affect the quality of life of individuals with Barth syndrome, including difficulties in sensory perception and feeding, fatigue, and cognitive and psychological challenges. We propose selected pathogenetic mechanisms underlying these phenotypes and draw parallels to other relevant disorders. Finally, avenues for future research are also suggested.
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Affiliation(s)
- Melissa Olivar-Villanueva
- Departments of Pediatrics, New York University Grossman School of Medicine, New York, NY, United States
| | - Mindong Ren
- Departments of Anesthesiology, New York University Grossman School of Medicine, New York, NY, United States; Departments of Cell Biology, New York University Grossman School of Medicine, New York, NY, United States
| | - Colin K L Phoon
- Departments of Pediatrics, New York University Grossman School of Medicine, New York, NY, United States.
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26
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Sfera A, Osorio C, Zapata Martín del Campo CM, Pereida S, Maurer S, Maldonado JC, Kozlakidis Z. Endothelial Senescence and Chronic Fatigue Syndrome, a COVID-19 Based Hypothesis. Front Cell Neurosci 2021; 15:673217. [PMID: 34248502 PMCID: PMC8267916 DOI: 10.3389/fncel.2021.673217] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 05/25/2021] [Indexed: 12/14/2022] Open
Abstract
Myalgic encephalomyelitis/chronic fatigue syndrome is a serious illness of unknown etiology, characterized by debilitating exhaustion, memory impairment, pain and sleep abnormalities. Viral infections are believed to initiate the pathogenesis of this syndrome although the definite proof remains elusive. With the unfolding of COVID-19 pandemic, the interest in this condition has resurfaced as excessive tiredness, a major complaint of patients infected with the SARS-CoV-2 virus, often lingers for a long time, resulting in disability, and poor life quality. In a previous article, we hypothesized that COVID-19-upregulated angiotensin II triggered premature endothelial cell senescence, disrupting the intestinal and blood brain barriers. Here, we hypothesize further that post-viral sequelae, including myalgic encephalomyelitis/chronic fatigue syndrome, are promoted by the gut microbes or toxin translocation from the gastrointestinal tract into other tissues, including the brain. This model is supported by the SARS-CoV-2 interaction with host proteins and bacterial lipopolysaccharide. Conversely, targeting microbial translocation and cellular senescence may ameliorate the symptoms of this disabling illness.
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Affiliation(s)
- Adonis Sfera
- Patton State Hospital, San Bernardino, CA, United States
| | | | | | | | - Steve Maurer
- Patton State Hospital, San Bernardino, CA, United States
| | - Jose Campo Maldonado
- Department of Internal Medicine, The University of Texas Rio Grande Valley, Edinburg, TX, United States
| | - Zisis Kozlakidis
- International Agency for Research on Cancer (IARC), Lyon, France
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27
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Jackson KM, Cole CL, Dunne RF. From bench to bedside: updates in basic science, translational and clinical research on muscle fatigue in cancer cachexia. Curr Opin Clin Nutr Metab Care 2021; 24:216-222. [PMID: 33560743 PMCID: PMC8018541 DOI: 10.1097/mco.0000000000000738] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
PURPOSE OF REVIEW Cancer cachexia is a syndrome of loss of weight and muscle mass that leads to reduced strength, poor physical performance and functional impairment. Muscular fatigue is a distressing syndrome that patients with cachexia suffer from and can impair quality of life. Here, we review recent updates in muscular fatigue in cancer cachexia research with a focus on mechanisms, biomarkers and potential therapies. RECENT FINDINGS Both in mice and humans, research has shown that muscle fatigue can be independent of muscular atrophy and can happen early in cancer development or in precachexia. Inflammatory pathways, mitochondrial dysfunction and gut microbiota have recently been studied to play an important role in muscle fatigue in preclinical models. Exercise can target these pathways and has been studied as a therapeutic intervention to improve muscle fatigue. SUMMARY Heightened inflammation within muscle, altered muscle function and muscle fatigue can begin prior to clinical evidence of cachexia, making early recognition and intervention challenging. The emergence of cachexia mouse models and translational and clinical research studying muscle fatigue will hopefully lead to new therapies targeting the underlying mechanisms of cancer cachexia. Exercise will need to be tested in larger randomized studies before entering into daily practice.
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Affiliation(s)
| | - Calvin L. Cole
- Department of Surgery, University of Rochester Medical Center, Rochester, NY
- Department of Orthopedics, University of Rochester Medical Center, Rochester, NY
| | - Richard F. Dunne
- Department of Medicine, University of Rochester Medical Center, Rochester, NY
- Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY
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28
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Vanderveen BN, Fix DK, Counts BR, Carson JA. The Effect of Wheel Exercise on Functional Indices of Cachexia in Tumor-bearing Mice. Med Sci Sports Exerc 2021; 52:2320-2330. [PMID: 33064407 DOI: 10.1249/mss.0000000000002393] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Cancer-related fatigue and muscle wasting have received significant attention over the last few decades with the goal of establishing interventions that can improve cancer patient life quality and survival. Increased physical activity has shown to reduce cancer-associated fatigue and has been proposed as a promising therapeutic to attenuate cancer-induced wasting. However, significant gaps remain in our understanding of how physical activity affects the compositional and functional changes that initiate muscle wasting. The purpose of the current study was to determine the effect of wheel exercise on body composition and functional indices of cancer cachexia before the development of significant wasting. METHODS Thirteen-week-old male Apc (MIN) and C57BL/6 (B6) mice were given free wheel access (W) or a locked wheel (Sed) for 5 wk. RESULTS Wheel activity was reduced in the MIN compared with B6; however, wheel access increased complex II expression in isolated skeletal muscle mitochondria regardless of genotype. Wheel access had no effect on tumor burden or plasma interleukin-6 in the MIN. MIN-W increased body weight and lean mass compared with MIN-Sed, and there was a direct correlation between wheel distance and lean mass change. MIN-W increased grip strength and treadmill time to fatigue compared with MIN-Sed. Within MIN-W mice, skeletal muscle fatigability was only improved in high runners (>60 min·d). CONCLUSIONS Our results suggest that there were therapeutic benefits of increased activity related to body composition, behavior, and whole-body function that were not dependent on exercise duration; however, there was an exercise threshold needed to improve skeletal muscle fatigability in tumor-bearing mice. Interestingly, wheel access was able to improve compositional and functional outcomes without mitigating tumor number or size.
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Affiliation(s)
| | - Dennis K Fix
- Department of Exercise Science, University of South Carolina, Columbia, SC
| | - Brittany R Counts
- Department of Physical Therapy, College of Health Professions, The University of Tennessee Health Sciences Center, Memphis, TN
| | - James A Carson
- Department of Physical Therapy, College of Health Professions, The University of Tennessee Health Sciences Center, Memphis, TN
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29
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Borah P, Deb PK, Chandrasekaran B, Goyal M, Bansal M, Hussain S, Shinu P, Venugopala KN, Al-Shar’i NA, Deka S, Singh V. Neurological Consequences of SARS-CoV-2 Infection and Concurrence of Treatment-Induced Neuropsychiatric Adverse Events in COVID-19 Patients: Navigating the Uncharted. Front Mol Biosci 2021; 8:627723. [PMID: 33681293 PMCID: PMC7930836 DOI: 10.3389/fmolb.2021.627723] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 01/12/2021] [Indexed: 01/08/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) binds to the angiotensin-converting enzyme 2 (ACE2) receptor and invade the human cells to cause COVID-19-related pneumonia. Despite an emphasis on respiratory complications, the evidence of neurological manifestations of SARS-CoV-2 infection is rapidly growing, which is substantially contributing to morbidity and mortality. The neurological disorders associated with COVID-19 may have several pathophysiological underpinnings, which are yet to be explored. Hypothetically, SARS-CoV-2 may affect the central nervous system (CNS) either by direct mechanisms like neuronal retrograde dissemination and hematogenous dissemination, or via indirect pathways. CNS complications associated with COVID-19 include encephalitis, acute necrotizing encephalopathy, diffuse leukoencephalopathy, stroke (both ischemic and hemorrhagic), venous sinus thrombosis, meningitis, and neuroleptic malignant syndrome. These may result from different mechanisms, including direct virus infection of the CNS, virus-induced hyper-inflammatory states, and post-infection immune responses. On the other hand, the Guillain-Barre syndrome, hyposmia, hypogeusia, and myopathy are the outcomes of peripheral nervous system injury. Although the therapeutic potential of certain repurposed drugs has led to their off-label use against COVID-19, such as anti-retroviral drugs (remdesivir, favipiravir, and lopinavir-ritonavir combination), biologics (tocilizumab), antibiotics (azithromycin), antiparasitics (chloroquine and hydroxychloroquine), and corticosteroids (dexamethasone), unfortunately, the associated clinical neuropsychiatric adverse events remains a critical issue. Therefore, COVID-19 represents a major threat to the field of neuropsychiatry, as both the virus and the potential therapies may induce neurologic as well as psychiatric disorders. Notably, potential COVID-19 medications may also interact with the medications of pre-existing neuropsychiatric diseases, thereby further complicating the condition. From this perspective, this review will discuss the possible neurological manifestations and sequelae of SARS-CoV-2 infection with emphasis on the probable underlying neurotropic mechanisms. Additionally, we will highlight the concurrence of COVID-19 treatment-associated neuropsychiatric events and possible clinically relevant drug interactions, to provide a useful framework and help researchers, especially the neurologists in understanding the neurologic facets of the ongoing pandemic to control the morbidity and mortality.
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Affiliation(s)
- Pobitra Borah
- School of Pharmacy, Graphic Era Hill University, Dehradun, India
| | - Pran Kishore Deb
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Philadelphia University, Amman, Jordan
| | - Balakumar Chandrasekaran
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Philadelphia University, Amman, Jordan
| | - Manoj Goyal
- Department of Anesthesia Technology, College of Applied Medical Sciences in Jubail, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Monika Bansal
- Department of Neuroscience Technology College of Applied Medical Sciences in Jubail, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Snawar Hussain
- Department of Biomedical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa, Saudi Arabia
| | - Pottathil Shinu
- Department of Biomedical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa, Saudi Arabia
| | - Katharigatta N. Venugopala
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa, Kingdom of Saudi Arabia
- Department of Biotechnology and Food Technology, Durban University of Technology, Durban, South Africa
| | - Nizar A. Al-Shar’i
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Satyendra Deka
- Pratiksha Institute of Pharmaceutical Sciences, Chandrapur Road, Panikhaiti, Guwahati, India
| | - Vinayak Singh
- Drug Discovery and Development Centre (H3D), University of Cape Town, Rondebosch, South Africa
- South African Medical Research Council Drug Discovery and Development Research Unit, Department of Chemistry and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch, South Africa
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Rudroff T, Fietsam AC, Deters JR, Bryant AD, Kamholz J. Post-COVID-19 Fatigue: Potential Contributing Factors. Brain Sci 2020; 10:E1012. [PMID: 33352638 PMCID: PMC7766297 DOI: 10.3390/brainsci10121012] [Citation(s) in RCA: 113] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 01/08/2023] Open
Abstract
Much of the spotlight for coronavirus disease 2019 (COVID-19) is on the acute symptoms and recovery. However, many recovered patients face persistent physical, cognitive, and psychological symptoms well past the acute phase. Of these symptoms, fatigue is one of the most persistent and debilitating. In this "perspective article," we define fatigue as the decrease in physical and/or mental performance that results from changes in central, psychological, and/or peripheral factors due to the COVID-19 disease and propose a model to explain potential factors contributing to post-COVID-19 fatigue. According to our model, fatigue is dependent on conditional and physiological factors. Conditional dependency comprises the task, environment, and physical and mental capacity of individuals, while physiological factors include central, psychological, and peripheral aspects. This model provides a framework for clinicians and researchers. However, future research is needed to validate our proposed model and elucidate all mechanisms of fatigue due to COVID-19.
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Affiliation(s)
- Thorsten Rudroff
- Department of Health and Human Physiology, University of Iowa, Iowa City, IA 52242, USA; (A.C.F.); (J.R.D.)
- Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, USA;
| | - Alexandra C. Fietsam
- Department of Health and Human Physiology, University of Iowa, Iowa City, IA 52242, USA; (A.C.F.); (J.R.D.)
| | - Justin R. Deters
- Department of Health and Human Physiology, University of Iowa, Iowa City, IA 52242, USA; (A.C.F.); (J.R.D.)
| | - Andrew D. Bryant
- Department of Internal Medicine, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, USA;
| | - John Kamholz
- Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, USA;
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31
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VanderVeen BN, Sougiannis AT, Velazquez KT, Carson JA, Fan D, Murphy EA. The Acute Effects of 5 Fluorouracil on Skeletal Muscle Resident and Infiltrating Immune Cells in Mice. Front Physiol 2020; 11:593468. [PMID: 33364975 PMCID: PMC7750461 DOI: 10.3389/fphys.2020.593468] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 11/13/2020] [Indexed: 12/14/2022] Open
Abstract
5 fluorouracil (5FU) has been a first-choice chemotherapy drug for several cancer types (e.g., colon, breast, head, and neck); however, its efficacy is diminished by patient acquired resistance and pervasive side effects. Leukopenia is a hallmark of 5FU; however, the impact of 5FU-induced leukopenia on healthy tissue is only becoming unearthed. Recently, skeletal muscle has been shown to be impacted by 5FU in clinical and preclinical settings and weakness and fatigue remain among the most consistent complaints in cancer patients undergoing chemotherapy. Monocytes, or more specifically macrophages, are the predominate immune cell in skeletal muscle which regulate turnover and homeostasis through removal of damaged or old materials as well as coordinate skeletal muscle repair and remodeling. Whether 5FU-induced leukopenia extends beyond circulation to impact resident and infiltrating skeletal muscle immune cells has not been examined. The purpose of the study was to examine the acute effects of 5FU on resident and infiltrating skeletal muscle monocytes and inflammatory mediators. Male C57BL/6 mice were given a physiologically translatable dose (35 mg/kg) of 5FU, or PBS, i.p. once daily for 5 days to recapitulate 1 dosing cycle. Our results demonstrate that 5FU reduced circulating leukocytes, erythrocytes, and thrombocytes while inducing significant body weight loss (>5%). Flow cytometry analysis of the skeletal muscle indicated a reduction in total CD45+ immune cells with a corresponding decrease in total CD45+CD11b+ monocytes. There was a strong relationship between circulating leukocytes and skeletal muscle CD45+ immune cells. Skeletal muscle Ly6cHigh activated monocytes and M1-like macrophages were reduced with 5FU treatment while total M2-like CD206+CD11c- macrophages were unchanged. Interestingly, 5FU reduced bone marrow CD45+ immune cells and CD45+CD11b+ monocytes. Our results demonstrate that 5FU induced body weight loss and decreased skeletal muscle CD45+ immune cells in association with a reduction in infiltrating Ly6cHigh monocytes. Interestingly, the loss of skeletal muscle immune cells occurred with bone marrow cell cycle arrest. Together our results highlight that skeletal muscle is sensitive to 5FU's off-target effects which disrupts both circulating and skeletal muscle immune cells.
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Affiliation(s)
- Brandon N. VanderVeen
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC, United States
- AcePre, LLC, Columbia, SC, United States
| | - Alexander T. Sougiannis
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC, United States
| | - Kandy T. Velazquez
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC, United States
| | - James A. Carson
- Department of Physical Therapy, College of Health Professionals, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Daping Fan
- AcePre, LLC, Columbia, SC, United States
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine, Columbia, SC, United States
| | - E. Angela Murphy
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC, United States
- AcePre, LLC, Columbia, SC, United States
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32
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Toussirot E, Marotte H, Mulleman D, Cormier G, Coury F, Gaudin P, Dernis E, Bonnet C, Damade R, Grauer JL, Abdesselam TA, Guillibert-Karras C, Lioté F, Hilliquin P, Sacchi A, Wendling D, Le Goff B, Puyraveau M, Dumoulin G. Increased high molecular weight adiponectin and lean mass during tocilizumab treatment in patients with rheumatoid arthritis: a 12-month multicentre study. Arthritis Res Ther 2020; 22:224. [PMID: 32993784 PMCID: PMC7523335 DOI: 10.1186/s13075-020-02297-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023] Open
Abstract
Background Patients with rheumatoid arthritis (RA) have an increased risk of cardiovascular (CV) disease. Adiponectin is involved in the metabolism of glucose and lipids with favourable effects on CV disease, especially its high molecular weight (HMW) isoform. Body composition changes are described in RA with various phenotypes including obesity. The effects of tocilizumab on serum adiponectin and body composition, especially fat mass, in patients with RA are not well determined. Methods Patients with active RA despite previous csDMARDs and/or bDMARDs and who were tocilizumab naïve were enrolled in a multicentre open-label study. They were evaluated at baseline, 1, 3, 6 and 12 months. Clinical assessment included body mass index (BMI) and anthropometric measurements. Lipid and metabolic parameters, serum adiponectin (total and HMW), leptin, resistin and ghrelin were measured at each time point. Body composition (lean mass, fat mass, % fat, fat in the android and gynoid regions) was evaluated at baseline, 6 and 12 months. Results One hundred seven patients were included. Both total and HMW adiponectin significantly increased from baseline to month 3, peaking respectively at month 3 (p = 0.0105) and month 1 (p < 0.0001), then declining progressively until month 6 to 12 and returning to baseline values. Significant elevation in HMW adiponectin persisted at month 6 (p = 0.001). BMI and waist circumference significantly increased at month 6 and 12, as well as lean mass at month 6 (p = 0.0097). Fat mass, percentage fat and android fat did not change over the study period. Lipid parameters (total cholesterol and LDL cholesterol) increased while glycaemia, insulin and HOMA-IR remained stable. Serum leptin, resistin and ghrelin did not change during follow-up. Conclusions Tocilizumab treatment in RA patients was associated with a significant increase in total and HMW adiponectin, especially at the onset of the treatment. Tocilizumab also induced a significant gain in lean mass, while fat mass did not change. These variations in adiponectin levels during tocilizumab treatment could have positive effects on the CV risk of RA patients. In addition, tocilizumab may have an anabolic impact on lean mass/skeletal muscle. Trial registration The ADIPRAT study was a phase IV open-label multicentre study retrospectively registered on ClinicalTrials.gov under the number NCT02843789 (date of registration: July 26, 2016).
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Affiliation(s)
- Eric Toussirot
- INSERM CIC-1431, CHU de Besançon, Centre d'Investigation Clinique Biothérapie, Pôle Recherche, 25000, Besançon, France. .,Fédération Hospitalo-Universitaire INCREASE, CHU de Besançon, 25000, Besançon, France. .,CHU de Besançon, Rhumatologie, Pôle PACTE (Pathologies Aiguës Chroniques Transplantation Éducation), 25000, Besançon, France. .,Université de Bourgogne Franche-Comté, Département Universitaire de Thérapeutique, Besançon, France. .,INSERM UMR1098 « Relations Hôte Greffon Tumeurs, ingénierie cellulaire et génique », Université de Bourgogne Franche-Comté, 25000, Besançon, France.
| | - Hubert Marotte
- INSERM 1059, Université de Lyon, Saint-Etienne; Rhumatologie CHU de Saint-Etienne; CIC-1408, CHU de Saint-Etienne, Saint-Etienne, France
| | | | - Grégoire Cormier
- Rhumatologie Centre Hospitalier Départemental Vendée, La Roche sur Yon, France
| | - Fabienne Coury
- Rhumatologie Hospices Civils de Lyon, INSERM UMR1033, Université Lyon 1, Lyon, France
| | | | | | | | | | | | | | | | - Frédéric Lioté
- Rhumatologie Hôpital Lariboisière AP-HP Paris, Université de Paris, Paris, France
| | - Pascal Hilliquin
- Rhumatologie Centre Hospitalier Sud Francilien, Corbeil-Essonnes, France
| | - Antoinette Sacchi
- Rhumatologie Centre hospitalier Mantes la Jolie, Mantes-la-Jolie, France
| | - Daniel Wendling
- CHU de Besançon, Rhumatologie, Pôle PACTE (Pathologies Aiguës Chroniques Transplantation Éducation), 25000, Besançon, France
| | | | - Marc Puyraveau
- INSERM CIC-1431, CHU de Besançon, Centre d'Investigation Clinique Biothérapie, Pôle Recherche, 25000, Besançon, France.,Unité de méthodologie uMETh, INSERM CIC-1431, Centre d'Investigation Clinique, CHU de Besançon, Besançon, France
| | - Gilles Dumoulin
- Laboratoire de Biochimie Médicale, UF de Biochimie Endocrinienne et Métabolique, CHU de Besançon; EA 3920 Marqueurs pronostiques et facteurs de régulation des pathologies cardiaques et vasculaires, Université de Bourgogne Franche Comté, Besançon, France
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VanderVeen BN, Murphy EA, Carson JA. The Impact of Immune Cells on the Skeletal Muscle Microenvironment During Cancer Cachexia. Front Physiol 2020; 11:1037. [PMID: 32982782 PMCID: PMC7489038 DOI: 10.3389/fphys.2020.01037] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 07/28/2020] [Indexed: 12/22/2022] Open
Abstract
Progressive weight loss combined with skeletal muscle atrophy, termed cachexia, is a common comorbidity associated with cancer that results in adverse consequences for the patient related to decreased chemotherapy responsiveness and increased mortality. Cachexia's complexity has provided a barrier for developing successful therapies to prevent or treat the condition, since a large number of systemic disruptions that can regulate muscle mass are often present. Furthermore, considerable effort has focused on investigating how tumor derived factors and inflammatory mediators directly signal skeletal muscle to disrupt protein turnover regulation. Currently, there is developing appreciation for understanding how cancer alters skeletal muscle's complex microenvironment and the tightly regulated interactions between multiple cell types. Skeletal muscle microenvironment interactions have established functions in muscle response to regeneration from injury, growth, aging, overload-induced hypertrophy, and exercise. This review explores the growing body of evidence for immune cell modulation of the skeletal muscle microenvironment during cancer-induced muscle wasting. Emphasis is placed on the regulatory network that integrates physiological responses between immune cells with other muscle cell types including satellite cells, fibroblast cells, and endothelial cells to regulate myofiber size and plasticity. The overall goal of this review is to provide an understanding of how different cell types that constitute the muscle microenvironment and their signaling mediators contribute to cancer and chemotherapy-induced muscle wasting.
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Affiliation(s)
- Brandon N. VanderVeen
- Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
- AcePre, LLC, Columbia, SC, United States
| | - E. Angela Murphy
- Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
- AcePre, LLC, Columbia, SC, United States
| | - James A. Carson
- Integrative Muscle Biology Laboratory, Division of Rehabilitation Sciences, College of Health Professions, University of Tennessee Health Science Center, Memphis, TN, United States
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34
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Ferrandi PJ, Alway SE, Mohamed JS. The interaction between SARS-CoV-2 and ACE2 may have consequences for skeletal muscle viral susceptibility and myopathies. J Appl Physiol (1985) 2020; 129:864-867. [PMID: 32673162 PMCID: PMC7832004 DOI: 10.1152/japplphysiol.00321.2020] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Peter J Ferrandi
- Laboratory of Muscle and Nerve, Department of Diagnostic and Health Sciences, College of Health Professions, University of Tennessee Health Science Center, Memphis, Tennessee.,Center for Muscle, Metabolism and Neuropathology, Division of Rehabilitation Sciences, College of Health Professions, University of Tennessee Health Science Center, Memphis, Tennessee
| | - Stephen E Alway
- Laboratory of Muscle Biology and Sarcopenia, Department of Physical Therapy, College of Health Professions, University of Tennessee Health Science Center, Memphis, Tennessee.,Center for Muscle, Metabolism and Neuropathology, Division of Rehabilitation Sciences, College of Health Professions, University of Tennessee Health Science Center, Memphis, Tennessee
| | - Junaith S Mohamed
- Laboratory of Muscle and Nerve, Department of Diagnostic and Health Sciences, College of Health Professions, University of Tennessee Health Science Center, Memphis, Tennessee.,Center for Muscle, Metabolism and Neuropathology, Division of Rehabilitation Sciences, College of Health Professions, University of Tennessee Health Science Center, Memphis, Tennessee
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35
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Hardee JP, Fix DK, Koh HJ, Wang X, Goldsmith EC, Carson JA. Repeated eccentric contractions positively regulate muscle oxidative metabolism and protein synthesis during cancer cachexia in mice. J Appl Physiol (1985) 2020; 128:1666-1676. [PMID: 32407241 DOI: 10.1152/japplphysiol.00908.2019] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Cancer-induced wasting is accompanied by disruptions to muscle oxidative metabolism and protein turnover that have been associated with systemic inflammation, whereas exercise and stimulated muscle contractions can positively regulate muscle protein synthesis and mitochondrial homeostasis. In preclinical cancer cachexia models, a single bout of eccentric contractions (ECCs) can induce protein synthesis and repeated ECC bouts prevent myofiber atrophy. The cellular mechanisms providing this protection from atrophy have not been resolved. Therefore, the purpose of this study was to determine whether repeated stimulated ECC bouts affect basal muscle oxidative metabolism and protein synthesis during cancer cachexia, and if these changes were associated with plasma IL-6 levels. Male ApcMin/+ (MIN; n = 10) mice initiating cachexia and healthy C57BL/6 (B6; n = 11) control mice performed repeated ECC bouts over 2 wk. MIN mice exhibited body weight loss and elevated plasma IL-6 before and during repeated ECC bouts. Control MIN muscle demonstrated disrupted signaling related to inflammation, oxidative capacity, and protein synthesis regulation, which were all improved by repeated ECC bouts. With cachexia, plasma IL-6 levels were negatively correlated with myofiber cross-sectional area, oxidative capacity, and protein synthesis. Interestingly, ECC improvements in these outcomes were positively correlated with plasma IL-6 levels in MIN mice. There was also a positive relationship between muscle oxidative capacity and protein synthesis after repeated ECC bouts in MIN mice. Collectively, repeated ECC bouts altered the cachectic muscle phenotype independent of systemic wasting, and there was a strong association between muscle oxidative capacity and protein synthesis in this adaptive response.NEW & NOTEWORTHY Cancer-induced muscle wasting is accompanied by disruptions to muscle oxidative metabolism and protein turnover regulation, whereas exercise is a potent stimulator of muscle protein synthesis and mitochondrial homeostasis. In a preclinical model of cancer cachexia, we report that cachectic muscle retains anabolic and metabolic plasticity to repeated eccentric contraction bouts despite an overall systemic wasting environment. The attenuation of muscle atrophy is linked to improved oxidative capacity and protein synthesis during cancer cachexia progression.
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Affiliation(s)
- Justin P Hardee
- Department of Exercise Science, University of South Carolina, Columbia, South Carolina
| | - Dennis K Fix
- Department of Exercise Science, University of South Carolina, Columbia, South Carolina
| | - Ho-Jin Koh
- Department of Exercise Science, University of South Carolina, Columbia, South Carolina
| | - Xuewen Wang
- Department of Exercise Science, University of South Carolina, Columbia, South Carolina
| | - Edie C Goldsmith
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine, Columbia, South Carolina
| | - James A Carson
- Center for Muscle Metabolism and Neuropathology, Division of Rehabilitation Sciences, College of Health Professions, University of Tennessee Health Science Center, Memphis, Tennessee
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36
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Toussirot E. The Interrelations between Biological and Targeted Synthetic Agents Used in Inflammatory Joint Diseases, and Obesity or Body Composition. Metabolites 2020; 10:E107. [PMID: 32183053 PMCID: PMC7175105 DOI: 10.3390/metabo10030107] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 03/08/2020] [Accepted: 03/10/2020] [Indexed: 12/16/2022] Open
Abstract
Obesity is a comorbidity that plays a role in the development and severity of inflammatory joint diseases, including rheumatoid arthritis, psoriatic arthritis and axial spondyloarthritis. The relationships between obesity and adipose tissue and the treatments given for inflammatory joint diseases are bidirectional. In fact, biological agents (bDMARDs) and targeted synthetic agents (tsDMARDs) may influence body weight and body composition of treated patients, while obesity in turn may influence clinical response to these agents. Obesity is a prevalent comorbidity mainly affecting patients with rheumatoid arthritis (RA) and psoriatic arthritis (PsA) with specific phenotypes. Tumour necrosis factor alpha (TNFα) inhibitors have been associated with changes in body composition by improving lean mass, but also by significantly increasing fat mass, which localized toward the abdominal/visceral region. The IL-6 inhibitor tocilizumab is associated with an increase in lean mass without change in fat mass. The clinical response to TNFα inhibitors is attenuated by obesity, an effect that is less pronounced with IL-6 inhibitors and the B-cell depletion agent rituximab. Conversely, body weight has no influence on the response to the costimulation inhibitor abatacept. These effects may be of help to the physician in personalized medicine, and may guide the therapeutic choice in obese/overweight patients.
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Affiliation(s)
- Eric Toussirot
- INSERM CIC-1431, CHU de Besançon, Centre d’Investigation Clinique Biothérapie, Pôle Recherche, 25000 Besançon, France; ; Tel.: +33-3-81-21-89-97
- Fédération Hospitalo-Universitaire INCREASE, CHU de Besançon, 25000 Besançon, France
- CHU de Besançon, Rhumatologie, Pôle PACTE (Pathologies Aiguës Chroniques Transplantation Éducation), 25000 Besançon, France
- Département Universitaire de Thérapeutique, Université de Bourgogne Franche-Comté, UFR des Sciences Médicales et Pharmaceutiques de Besançon, CS 71806, 25030 Besançon Cedex, France
- INSERM UMR1098, Relations Hôte Greffon Tumeurs, ingénierie cellulaire et génique, Université de Bourgogne Franche-Comté, 25000 Besançon, France
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37
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Cheng AJ, Jude B, Lanner JT. Intramuscular mechanisms of overtraining. Redox Biol 2020; 35:101480. [PMID: 32179050 PMCID: PMC7284919 DOI: 10.1016/j.redox.2020.101480] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/08/2020] [Accepted: 02/24/2020] [Indexed: 01/04/2023] Open
Abstract
Strenuous exercise is a potent stimulus to induce beneficial skeletal muscle adaptations, ranging from increased endurance due to mitochondrial biogenesis and angiogenesis, to increased strength from hypertrophy. While exercise is necessary to trigger and stimulate muscle adaptations, the post-exercise recovery period is equally critical in providing sufficient time for metabolic and structural adaptations to occur within skeletal muscle. These cyclical periods between exhausting exercise and recovery form the basis of any effective exercise training prescription to improve muscle endurance and strength. However, imbalance between the fatigue induced from intense training/competitions, and inadequate post-exercise/competition recovery periods can lead to a decline in physical performance. In fact, prolonged periods of this imbalance may eventually lead to extended periods of performance impairment, referred to as the state of overreaching that may progress into overtraining syndrome (OTS). OTS may have devastating implications on an athlete's career and the purpose of this review is to discuss potential underlying mechanisms that may contribute to exercise-induced OTS in skeletal muscle. First, we discuss the conditions that lead to OTS, and their potential contributions to impaired skeletal muscle function. Then we assess the evidence to support or refute the major proposed mechanisms underlying skeletal muscle weakness in OTS: 1) glycogen depletion hypothesis, 2) muscle damage hypothesis, 3) inflammation hypothesis, and 4) the oxidative stress hypothesis. Current data implicates reactive oxygen and nitrogen species (ROS) and inflammatory pathways as the most likely mechanisms contributing to OTS in skeletal muscle. Finally, we allude to potential interventions that can mitigate OTS in skeletal muscle.
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Affiliation(s)
- Arthur J Cheng
- York University, Faculty of Health/ School of Kinesiology and Health Sciences, Muscle Health Research Centre/ Muscle Calcium Dynamics Lab, 351 Farquharson Life Sciences Building, Toronto, M3J 1P3, Canada
| | - Baptiste Jude
- Karolinska Institutet, Department of Physiology and Pharmacology, Molecular Muscle Physiology and Pathophysiology laboratory, Biomedicum C5, 17177, Stockholm, Sweden
| | - Johanna T Lanner
- Karolinska Institutet, Department of Physiology and Pharmacology, Molecular Muscle Physiology and Pathophysiology laboratory, Biomedicum C5, 17177, Stockholm, Sweden.
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38
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Tyrrell DJ, Blin MG, Song J, Wood S, Zhang M, Beard D, Goldstein DR. Age-Associated Mitochondrial Dysfunction Accelerates Atherogenesis. Circ Res 2020; 126:298-314. [PMID: 31818196 PMCID: PMC7006722 DOI: 10.1161/circresaha.119.315644] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Rationale: Aging is one of the strongest risk factors for atherosclerosis. Yet whether aging increases the risk of atherosclerosis independently of chronic hyperlipidemia is not known. Objective: To determine if vascular aging before the induction of hyperlipidemia enhances atherogenesis. Methods and Results: We analyzed the aortas of young and aged normolipidemic wild type, disease-free mice and found that aging led to elevated IL (interleukin)-6 levels and mitochondrial dysfunction, associated with increased mitophagy and the associated protein Parkin. In aortic tissue culture, we found evidence that with aging mitochondrial dysfunction and IL-6 exist in a positive feedback loop. We triggered acute hyperlipidemia in aged and young mice by inducing liver-specific degradation of the LDL (low-density lipoprotein) receptor combined with a 10-week western diet and found that atherogenesis was enhanced in aged wild-type mice. Hyperlipidemia further reduced mitochondrial function and increased the levels of Parkin in the aortas of aged mice but not young mice. Genetic disruption of autophagy in smooth muscle cells of young mice exposed to hyperlipidemia led to increased aortic Parkin and IL-6 levels, impaired mitochondrial function, and enhanced atherogenesis. Importantly, enhancing mitophagy in aged, hyperlipidemic mice via oral administration of spermidine prevented the increase in aortic IL-6 and Parkin, attenuated mitochondrial dysfunction, and reduced atherogenesis. Conclusions: Before hyperlipidemia, aging elevates IL-6 and impairs mitochondrial function within the aorta, associated with enhanced mitophagy and increased Parkin levels. These age-associated changes prime the vasculature to exacerbate atherogenesis upon acute hyperlipidemia. Our work implies that novel therapeutics aimed at improving vascular mitochondrial bioenergetics or reducing inflammation before hyperlipidemia may reduce age-related atherosclerosis.
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Affiliation(s)
- Daniel J. Tyrrell
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Muriel G. Blin
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Jianrui Song
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Sherri Wood
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Min Zhang
- Department of Biostatistics, University of Michigan, Ann Arbor, MI, USA
| | - Daniel Beard
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI, USA
| | - Daniel R. Goldstein
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA,Institute of Gerontology, University of Michigan, Ann Arbor, MI, USA,Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, USA
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