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Miaskowski C, Conley YP, Levine JD, Cooper BA, Paul SM, Hammer MJ, Oppegaard K, Harris C, Shin J, Abrams G, Asakitogum D, Fu MR, Alismal S. Chronic Decrements in Energy in Women with Breast Cancer are Associated with Cytokine Gene Polymorphisms. Semin Oncol Nurs 2024:151652. [PMID: 38834449 DOI: 10.1016/j.soncn.2024.151652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/13/2024] [Accepted: 04/17/2024] [Indexed: 06/06/2024]
Abstract
OBJECTIVES Decrements in energy were found in 67% of women who underwent breast cancer surgery. However, no information is available on chronic decrements in energy and associations with inflammation. Purposes were to identify latent classes of patients with distinct average energy profiles from prior to through 12 months after breast cancer surgery; evaluate for differences in demographic and clinical characteristics between the two extreme average energy classes; and evaluate for polymorphisms for cytokine genes associated with membership in the Low energy class. METHODS Women (n = 397) completed assessments of energy prior to and for 12 months following breast cancer surgery. Growth mixture modeling was used to identify classes of patients with distinct average energy profiles. Eighty-two single nucleotide polymorphisms (SNPs) among 15 cytokine genes were evaluated. RESULTS Three distinct energy profiles were identified (ie, Low [27.0%], Moderate [54.4%], Changing [18.6%]). Data from patients in the Low and Moderate energy classes were used in the candidate gene analyses. Five SNPs and one haplotype in six different genes remained significant in logistic regression analyses (ie, interleukin [IL]-1β rs1143623, IL1 receptor 1 rs3917332 IL4 rs2243263, IL6 HapA1 [that consisted of rs1800795, rs2069830, rs2069840, rs1554606, rs2069845, rs2069849, and rs2069861], nuclear factor kappa beta subunit 1 rs170731, tumor necrosis factor rs1799964). For several SNPs for IL6, expression quantitative trait locis were identified in subcutaneous and visceral adipose tissue and thyroid tissue. In addition, skeletal muscle was identified as an expression quantitative trait loci for nuclear factor kappa beta subunit 1. CONCLUSIONS Findings suggest that cytokine genes are involved in the mechanisms that underlie chronic decrements in energy in women following breast cancer surgery. Given the roles of subcutaneous and visceral adipose and thyroid tissues in metabolism and energy balance, the findings related to IL6 suggest that these polymorphisms may have a functional role in the development and maintenance of chronic decrements in energy.
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Affiliation(s)
- Christine Miaskowski
- School of Nursing, University of California, San Francisco; School of Medicine, University of California, San Francisco.
| | | | - Jon D Levine
- School of Medicine, University of California, San Francisco
| | - Bruce A Cooper
- School of Nursing, University of California, San Francisco
| | - Steven M Paul
- School of Nursing, University of California, San Francisco
| | | | | | - Carolyn Harris
- School of Nursing, University of Pittsburgh, Pittsburgh, PA
| | | | - Gary Abrams
- School of Medicine, University of California, San Francisco
| | | | - Mei R Fu
- University of Missouri, Kansas City
| | - Sarah Alismal
- Beckman Research Institute, City of Hope, Duarte, CA
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Witkowska-Piłaszewicz O, Malin K, Dąbrowska I, Grzędzicka J, Ostaszewski P, Carter C. Immunology of Physical Exercise: Is Equus caballus an Appropriate Animal Model for Human Athletes? Int J Mol Sci 2024; 25:5210. [PMID: 38791248 PMCID: PMC11121269 DOI: 10.3390/ijms25105210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 04/30/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
Domestic horses routinely participate in vigorous and various athletic activities. This enables the horse to serve as a model for studying athletic physiology and immunology in other species, including humans. For instance, as a model of physical efforts, such as endurance rides (long-distance running/aerobic exercise) and races (anaerobic exercise), the horse can be useful in evaluating post-exercise response. Currently, there has been significant interest in finding biomarkers, which characterize the advancement of training and adaptation to physical exercise in the horse. The parallels in cellular responses to physical exercises, such as changes in receptor expression and blood cell activity, improve our understanding of the mechanisms involved in the body's response to intense physical activity. This study focuses on the changes in levels of the pro- and anti-inflammatory cytokines and cellular response in the context of post-exercise immune response. Both the direction of changes in cytokine levels and cellular responses of the body, such as proliferation and expression of surface markers on lymphocytes, monocytes and neutrophils, show cross-functional similarities. This review reveals that horses are robust research models for studying the immune response to physical exercise in human athletes.
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Affiliation(s)
- Olga Witkowska-Piłaszewicz
- Department of Large Animals Diseases and Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Katarzyna Malin
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, CA 95616, USA
| | - Izabela Dąbrowska
- Department of Large Animals Diseases and Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Jowita Grzędzicka
- Department of Large Animals Diseases and Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Piotr Ostaszewski
- Department of Physiological Sciences, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Craig Carter
- Veterinary Diagnostic Laboratory, University of Kentucky, Lexington, KY 40506, USA;
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Polak-Szczybyło E, Tabarkiewicz J. Influence of dietary and lifestyle factors on levels of inflammatory markers (IL-6, IFN-γ and TNF-α) in obese subjects. Cent Eur J Immunol 2024; 49:19-25. [PMID: 38812610 PMCID: PMC11130986 DOI: 10.5114/ceji.2024.138748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 03/04/2024] [Indexed: 05/31/2024] Open
Abstract
Introduction The low-grade inflammation occurring in obese individuals leads to many diseases, including cardiovascular disease (CVD). Dietary patterns, food groups or nutrients in a well-balanced diet may reduce the level of pro-inflammatory markers and the risk of obesity-related morbidities. Our study aims to describe three cytokines in obese patients in relation to dietary habits, lifestyle and body composition. Material and methods Serum samples were collected from 84 obese adult volunteer subjects [body mass index (BMI) ≥ 30 kg/m2] to analyze the concentrations of interleukin 6 (IL-6), tumor necrosis factor α (TNF-α) and interferon γ (IFN-γ). The subjects were tested by bioelectrical impedance analysis (BIA) and completed a three-day food diary and original questionnaire with the FFQ-6 food consumption frequency questionnaire. Results and conclusions Higher serum levels of IL-6 and IFN-γ were found in patients with atherosclerosis, but the group was too small for a reliable correlation. Subcutaneous but not visceral adipose tissue correlated positively with IL-6 levels. Dietary factors such as amount of sugars, including galactose and sucrose, in the diet and the frequency of consumption of sweet flavored dairy products correlated positively with the levels of IL-6 and TNF-α, while the frequency of alcohol consumption negatively correlated with the level of IL-6. The greater the frequency of sports, the higher was the level of IL-6. In obese individuals, the level of pro-inflammatory cytokines could predispose to atherosclerosis and is associated with dietary factors and lifestyle.
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Nakamura S, Sato Y, Kobayashi T, Oya A, Fujie A, Matsumoto M, Nakamura M, Kanaji A, Miyamoto T. Bezafibrate attenuates immobilization-induced muscle atrophy in mice. Sci Rep 2024; 14:2240. [PMID: 38279013 PMCID: PMC10817916 DOI: 10.1038/s41598-024-52689-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] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 01/22/2024] [Indexed: 01/28/2024] Open
Abstract
Muscle atrophy due to fragility fractures or frailty worsens not only activity of daily living and healthy life expectancy, but decreases life expectancy. Although several therapeutic agents for muscle atrophy have been investigated, none is yet in clinical use. Here we report that bezafibrate, a drug used to treat hyperlipidemia, can reduce immobilization-induced muscle atrophy in mice. Specifically, we used a drug repositioning approach to screen 144 drugs already utilized clinically for their ability to inhibit serum starvation-induced elevation of Atrogin-1, a factor related to muscle atrophy, in myotubes in vitro. Two candidates were selected, and here we demonstrate that one of them, bezafibrate, significantly reduced muscle atrophy in an in vivo model of muscle atrophy induced by leg immobilization. In gastrocnemius muscle, immobilization reduced muscle weight by an average of ~ 17.2%, and bezafibrate treatment prevented ~ 40.5% of that atrophy. In vitro, bezafibrate significantly inhibited expression of the inflammatory cytokine Tnfa in lipopolysaccharide-stimulated RAW264.7 cells, a murine macrophage line. Finally, we show that expression of Tnfa and IL-1b is induced in gastrocnemius muscle in the leg immobilization model, an activity significantly antagonized by bezafibrate administration in vivo. We conclude that bezafibrate could serve as a therapeutic agent for immobilization-induced muscle atrophy.
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Affiliation(s)
- Satoshi Nakamura
- Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinano-Machi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Yuiko Sato
- Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinano-Machi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Tami Kobayashi
- Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinano-Machi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Akihito Oya
- Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinano-Machi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Astuhiro Fujie
- Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinano-Machi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Morio Matsumoto
- Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinano-Machi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Masaya Nakamura
- Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinano-Machi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Arihiko Kanaji
- Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinano-Machi, Shinjuku-Ku, Tokyo, 160-8582, Japan.
| | - Takeshi Miyamoto
- Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinano-Machi, Shinjuku-Ku, Tokyo, 160-8582, Japan.
- Department of Orthopedic Surgery, Kumamoto University, 1-1-1 Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan.
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Qiao R, Zhou Y, Ding T, Jiang X. Fatigue, Physical Activity, and Quality of Life in Patients with Inflammatory Bowel Disease: A Cross-Sectional Study. Int J Gen Med 2024; 17:49-58. [PMID: 38221940 PMCID: PMC10785688 DOI: 10.2147/ijgm.s440652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/18/2023] [Indexed: 01/16/2024] Open
Abstract
Purpose The benefits of physical activity (PA) are widely recognized, but the intensity of PA in inflammatory bowel disease (IBD) patients with varying disease activity levels remains controversial. We aimed to investigate the relationship between PA levels, fatigue, and other health-related quality of life (QoL) in Chinese IBD patients. Patients and Methods The study is a cross-sectional investigation conducted at a comprehensive IBD diagnosis and treatment facility in East China, spanning from August 2022 to February 2023. A total of 245 participants were initially enrolled, and after excluding individuals with incomplete data about crucial exposure and outcome variables, the final sample size amounted to 237. Participants were provided with a questionnaire encompassing sociodemographic factors, clinical information, the International Physical Activity Questionnaire (IPAQ), the Multidimensional Fatigue Inventory (MFI-20), and the Inflammatory Bowel Disease Questionnaire (IBDQ). Correlation analysis was employed to assess the relationship between variables. Results A majority of participants (144) exhibited low levels of PA. Furthermore, 40.5% of all participants reported experiencing fatigue. Individuals with low levels of PA had an average MIF-20 score of 62.9±16.0. Correlation analysis showed that PA was significantly and negatively associated with fatigue (r = -0.224, p < 0.001). Additionally, PA was also negatively correlated with anxiety (r = -0.150, p < 0.05) and depression (r = -0.242, p < 0.001). On the other hand, PA was positively correlated with quality of life (QoL) (r = 0.171, p < 0.01). Furthermore, our analysis indicated that sleep disorders were positively associated with both anxiety (r = 0.349, p < 0.01) and depression (r = 0.354, p < 0.001). Conclusion The levels of PA are significantly low, and there is a high prevalence of fatigue among individuals with IBD. PA in IBD showed a strong negative correlation with fatigue and a strong positive correlation with quality of life.
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Affiliation(s)
- Ranran Qiao
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing, 210023, People’s Republic of China
| | - Yu Zhou
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing, 210023, People’s Republic of China
| | - Tengteng Ding
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing, 210023, People’s Republic of China
| | - Xing Jiang
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing, 210023, People’s Republic of China
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Ung CY, Correia C, Li H, Adams CM, Westendorf JJ, Zhu S. Multiorgan locked-state model of chronic diseases and systems pharmacology opportunities. Drug Discov Today 2024; 29:103825. [PMID: 37967790 PMCID: PMC11109989 DOI: 10.1016/j.drudis.2023.103825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/29/2023] [Accepted: 11/08/2023] [Indexed: 11/17/2023]
Abstract
With increasing human life expectancy, the global medical burden of chronic diseases is growing. Hence, chronic diseases are a pressing health concern and will continue to be in decades to come. Chronic diseases often involve multiple malfunctioning organs in the body. An imminent question is how interorgan crosstalk contributes to the etiology of chronic diseases. We conceived the locked-state model (LoSM), which illustrates how interorgan communication can give rise to body-wide memory-like properties that 'lock' healthy or pathological conditions. Next, we propose cutting-edge systems biology and artificial intelligence strategies to decipher chronic multiorgan locked states. Finally, we discuss the clinical implications of the LoSM and assess the power of systems-based therapies to dismantle pathological multiorgan locked states while improving treatments for chronic diseases.
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Affiliation(s)
- Choong Yong Ung
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA
| | - Cristina Correia
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA
| | - Hu Li
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA
| | - Christopher M Adams
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN, USA; Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Jennifer J Westendorf
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA; Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Shizhen Zhu
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, USA; Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
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7
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Zhu Y, Song G. Molecular origin and biological effects of exercise mimetics. J Exerc Sci Fit 2024; 22:73-85. [PMID: 38187084 PMCID: PMC10770624 DOI: 10.1016/j.jesf.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/05/2023] [Accepted: 12/05/2023] [Indexed: 01/09/2024] Open
Abstract
With the rapid development of sports science and molecular biology technology, academia refers to molecules or microorganisms that mimic or enhance the beneficial effects of exercise on the body, called "exercise mimetics." This review aims to clarify the concept and development history of exercise mimetics, and to define the concept of exercise mimetics by summarizing its characteristics and functions. Candidate molecules and drug targets for exercise mimetics are summarized, and the relationship between exercise mimetics and exercise is explained, as well as the targeting system and function of exercise mimetics. The main targeting systems for exercise mimetics are the exercise system, circulatory system, endocrine system, endocrine system, and nervous system, while the immune system is potential targeting systems. Finally, future research directions for exercise mimetics are discussed.
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Affiliation(s)
- Yuping Zhu
- Key Lab of Physical Fitness Evaluation and Motor Function Monitoring, College of Physical Education, Southwest University, Chongqing, 400715, China
| | - Gang Song
- Key Lab of Physical Fitness Evaluation and Motor Function Monitoring, College of Physical Education, Southwest University, Chongqing, 400715, China
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8
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Suresh Kumar H, Barnett EN, Fowlkes JL, Kalaitzoglou E, Annamalai RT. Biomechanical Stimulation of Muscle Constructs Influences Phenotype of Bone Constructs by Modulating Myokine Secretion. JBMR Plus 2023; 7:e10804. [PMID: 38025033 PMCID: PMC10652181 DOI: 10.1002/jbm4.10804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/22/2023] [Accepted: 07/24/2023] [Indexed: 12/01/2023] Open
Abstract
Diabetes is a chronic metabolic disorder that can lead to diabetic myopathy and bone diseases. The etiology of musculoskeletal complications in such metabolic disorders and the interplay between the muscular and osseous systems are not well understood. Exercise training promises to prevent diabetic myopathy and bone disease and offer protection. Although the muscle-bone interaction is largely biomechanical, the muscle secretome has significant implications for bone biology. Uncoupling effects of biophysical and biochemical stimuli on the adaptive response of bone during exercise training may offer therapeutic targets for diabetic bone disease. Here, we have developed an in vitro model to elucidate the effects of mechanical strain on myokine secretion and its impact on bone metabolism decoupled from physical stimuli. We developed bone constructs using cross-linked gelatin, which facilitated osteogenic differentiation of osteoprogenitor cells. Then muscle constructs were made from fibrin, which enabled myoblast differentiation and myotube formation. We investigated the myokine expression by muscle constructs under strain regimens replicating endurance (END) and high-intensity interval training (HIIT) in hyperglycemic conditions. In monocultures, both regimens induced higher expression of Il15 and Igf1, whereas END supported more myoblast differentiation and myotube maturation than HIIT. When co-cultured with bone constructs, HIIT regimen increased Glut4 expression in muscle constructs more than END, supporting higher glucose uptake. Likewise, the muscle constructs under the HIIT regimen promoted a healthier and more matured bone phenotype than END. Under static conditions, myostatin (Mstn) expression was significantly downregulated in muscle constructs co-cultured with bone constructs compared with monocultures. Together, our in vitro co-culture system allowed orthogonal manipulation of mechanical strain on muscle constructs while facilitating bone-muscle biochemical cross-talk. Such systems can provide an individualized microenvironment that allows decoupled biomechanical manipulation, help identify molecular targets, and develop engineered therapies for metabolic bone disease. © 2023 The Authors. JBMR Plus published by Wiley Periodicals LLC. on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
| | - Edwina N. Barnett
- Department of Biomedical EngineeringUniversity of KentuckyLexingtonKYUSA
| | - John L. Fowlkes
- Barnstable Brown Diabetes CenterLexingtonKYUSA
- Department of PediatricsUniversity of KentuckyLexingtonKYUSA
| | - Evangelia Kalaitzoglou
- Barnstable Brown Diabetes CenterLexingtonKYUSA
- Department of PediatricsUniversity of KentuckyLexingtonKYUSA
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Deng N, Reyes-Uribe L, Fahrmann JF, Thoman WS, Munsell MF, Dennison JB, Murage E, Wu R, Hawk ET, Thirumurthi S, Lynch PM, Dieli-Conwright CM, Lazar AJ, Jindal S, Chu K, Chelvanambi M, Basen-Engquist K, Li Y, Wargo JA, McAllister F, Allison JP, Sharma P, Sinha KM, Hanash S, Gilchrist SC, Vilar E. Exercise Training Reduces the Inflammatory Response and Promotes Intestinal Mucosa-Associated Immunity in Lynch Syndrome. Clin Cancer Res 2023; 29:4361-4372. [PMID: 37724990 PMCID: PMC10618653 DOI: 10.1158/1078-0432.ccr-23-0088] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 07/20/2023] [Accepted: 08/28/2023] [Indexed: 09/21/2023]
Abstract
PURPOSE Lynch syndrome (LS) is a hereditary condition with a high lifetime risk of colorectal and endometrial cancers. Exercise is a non-pharmacologic intervention to reduce cancer risk, though its impact on patients with LS has not been prospectively studied. Here, we evaluated the impact of a 12-month aerobic exercise cycling intervention in the biology of the immune system in LS carriers. PATIENTS AND METHODS To address this, we enrolled 21 patients with LS onto a non-randomized, sequential intervention assignation, clinical trial to assess the effect of a 12-month exercise program that included cycling classes 3 times weekly for 45 minutes versus usual care with a one-time exercise counseling session as control. We analyzed the effects of exercise on cardiorespiratory fitness, circulating, and colorectal-tissue biomarkers using metabolomics, gene expression by bulk mRNA sequencing, and spatial transcriptomics by NanoString GeoMx. RESULTS We observed a significant increase in oxygen consumption (VO2peak) as a primary outcome of the exercise and a decrease in inflammatory markers (prostaglandin E) in colon and blood as the secondary outcomes in the exercise versus usual care group. Gene expression profiling and spatial transcriptomics on available colon biopsies revealed an increase in the colonic mucosa levels of natural killer and CD8+ T cells in the exercise group that were further confirmed by IHC studies. CONCLUSIONS Together these data have important implications for cancer interception in LS, and document for the first-time biological effects of exercise in the immune system of a target organ in patients at-risk for cancer.
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Affiliation(s)
- Nan Deng
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Laura Reyes-Uribe
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Johannes F. Fahrmann
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Whittney S. Thoman
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Mark F. Munsell
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jennifer B. Dennison
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Eunice Murage
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Ranran Wu
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Ernest T. Hawk
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Selvi Thirumurthi
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson, Houston, Texas
- Clinical Cancer Genetics Program, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Patrick M. Lynch
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson, Houston, Texas
- Clinical Cancer Genetics Program, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Christina M. Dieli-Conwright
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
- Department of Medicine, Harvard Medical School, Boston, Massachusetts
| | - Alexander J. Lazar
- Department of Behavioral Science, The University of Texas MD Anderson, Houston, Texas
- Department of Genomic Medicine, The University of Texas MD Anderson, Houston, Texas
| | - Sonali Jindal
- The Immunotherapy Platform, The University of Texas MD Anderson, Houston, Texas
| | - Khoi Chu
- The Immunotherapy Platform, The University of Texas MD Anderson, Houston, Texas
| | - Manoj Chelvanambi
- Department of Surgical Oncology, The University of Texas MD Anderson, Houston, Texas
| | - Karen Basen-Engquist
- Department of Behavioral Science, The University of Texas MD Anderson, Houston, Texas
| | - Yisheng Li
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jennifer A. Wargo
- Department of Genomic Medicine, The University of Texas MD Anderson, Houston, Texas
- Department of Surgical Oncology, The University of Texas MD Anderson, Houston, Texas
| | - Florencia McAllister
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
- Clinical Cancer Genetics Program, The University of Texas MD Anderson Cancer Center, Houston, Texas
- Department of Immunology, The University of Texas MD Anderson, Houston, Texas
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson, Houston, Texas
| | - James P. Allison
- The Immunotherapy Platform, The University of Texas MD Anderson, Houston, Texas
- Department of Immunology, The University of Texas MD Anderson, Houston, Texas
| | - Padmanee Sharma
- The Immunotherapy Platform, The University of Texas MD Anderson, Houston, Texas
- Department of Immunology, The University of Texas MD Anderson, Houston, Texas
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson, Houston, Texas
| | - Krishna M. Sinha
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Samir Hanash
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Susan C. Gilchrist
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
- Department of Cardiology, The University of Texas MD Anderson, Houston, Texas
| | - Eduardo Vilar
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, Texas
- Clinical Cancer Genetics Program, The University of Texas MD Anderson Cancer Center, Houston, Texas
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson, Houston, Texas
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Palmisano B, Riminucci M, Karsenty G. Interleukin-6 signaling in osteoblasts regulates bone remodeling during exercise. Bone 2023; 176:116870. [PMID: 37586472 DOI: 10.1016/j.bone.2023.116870] [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: 06/07/2023] [Revised: 07/29/2023] [Accepted: 08/07/2023] [Indexed: 08/18/2023]
Abstract
Aerobic exercise has many beneficial effects on human health. One of them, is to influence positively bone remodeling through, however, incompletely understood mechanisms. Given its recently demonstrated role as a mediator of the bone to muscle to bone crosstalk during exercise, we hypothesized that interleukin-6 (IL-6) signaling in bone may contribute to the beneficial effect that exercise has on bone homeostasis. In this study, we first show that aerobic exercise increases the expression of Il6r in bones of WT mice. Then, we analyzed a mutant mouse strain that lacks the IL-6 receptor alpha specifically in osteoblasts (Il6rosb-/-). As it has been reported in the case of Il6-/- mice, in sedentary conditions, bone mass and remodeling were normal in adult Il6rosb-/- mice when compared to controls. In contrast, Il6rosb-/- mice that were subjected to aerobic exercise did not show the increase in bone mass and remodeling parameters that control littermates demonstrated. Moreover, Il6rosb-/- mice undergoing aerobic exercise showed a severe impairment in bone formation, indicating that activation of bone-forming cells is defective when IL-6 signaling in osteoblasts is disrupted. In sum, this study provides evidence that a function of IL-6 signaling in osteoblasts is to promote high bone turnover during aerobic exercise.
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Affiliation(s)
- Biagio Palmisano
- Department of Genetics and Development, Columbia University Irving Medical Center, 701 W 168th street, New York, NY 10032, United States of America.
| | - Mara Riminucci
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 324, Rome 00161, Italy
| | - Gerard Karsenty
- Department of Genetics and Development, Columbia University Irving Medical Center, 701 W 168th street, New York, NY 10032, United States of America.
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Notley SR, Mitchell D, Taylor NAS. A century of exercise physiology: concepts that ignited the study of human thermoregulation. Part 1: Foundational principles and theories of regulation. Eur J Appl Physiol 2023; 123:2379-2459. [PMID: 37702789 DOI: 10.1007/s00421-023-05272-7] [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: 12/30/2022] [Accepted: 06/30/2023] [Indexed: 09/14/2023]
Abstract
This contribution is the first of a four-part, historical series encompassing foundational principles, mechanistic hypotheses and supported facts concerning human thermoregulation during athletic and occupational pursuits, as understood 100 years ago and now. Herein, the emphasis is upon the physical and physiological principles underlying thermoregulation, the goal of which is thermal homeostasis (homeothermy). As one of many homeostatic processes affected by exercise, thermoregulation shares, and competes for, physiological resources. The impact of that sharing is revealed through the physiological measurements that we take (Part 2), in the physiological responses to the thermal stresses to which we are exposed (Part 3) and in the adaptations that increase our tolerance to those stresses (Part 4). Exercising muscles impose our most-powerful heat stress, and the physiological avenues for redistributing heat, and for balancing heat exchange with the environment, must adhere to the laws of physics. The first principles of internal and external heat exchange were established before 1900, yet their full significance is not always recognised. Those physiological processes are governed by a thermoregulatory centre, which employs feedback and feedforward control, and which functions as far more than a thermostat with a set-point, as once was thought. The hypothalamus, today established firmly as the neural seat of thermoregulation, does not regulate deep-body temperature alone, but an integrated temperature to which thermoreceptors from all over the body contribute, including the skin and probably the muscles. No work factor needs to be invoked to explain how body temperature is stabilised during exercise.
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Affiliation(s)
- Sean R Notley
- Defence Science and Technology Group, Department of Defence, Melbourne, Australia
- School of Human Kinetics, University of Ottawa, Ottawa, Canada
| | - Duncan Mitchell
- Brain Function Research Group, School of Physiology, University of the Witwatersrand, Johannesburg, South Africa
- School of Human Sciences, University of Western Australia, Crawley, Australia
| | - Nigel A S Taylor
- Research Institute of Human Ecology, College of Human Ecology, Seoul National University, Seoul, Republic of Korea.
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12
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Halle JL, Counts BR, Zhang Q, James KM, Puppa MJ, Alway SE, Carson JA. Mouse skeletal muscle adaptations to different durations of treadmill exercise after the cessation of FOLFOX chemotherapy. Front Physiol 2023; 14:1283674. [PMID: 38028800 PMCID: PMC10648895 DOI: 10.3389/fphys.2023.1283674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023] Open
Abstract
FOLFOX (5-fluorouracil, leucovorin, oxaliplatin) chemotherapy is a treatment for colorectal cancer that can induce persistent fatigue and metabolic dysfunction. Regular exercise after chemotherapy cessation is widely recommended for cancer patients and has been shown to improve fatigue resistance in mice. However, gaps remain in understanding whether the early systemic and skeletal muscle adaptations to regular exercise are altered by prior FOLFOX chemotherapy treatment. Furthermore, the effects of exercise duration on early metabolic and skeletal muscle transcriptional adaptations are not fully established. Purpose: Investigate the effects of prior FOLFOX chemotherapy treatment on the early adaptations to repeated short- or long-duration treadmill exercise, including the fasting regulation of circulating metabolic regulators, skeletal muscle COXIV activity and myokine/exerkine gene expression in male mice. Methods: Male C57BL6/J mice completed 4 cycles of FOLFOX or PBS and were allowed to recover for 4-weeks. Subsets of mice performed 14 sessions (6 d/wk, 18 m/min, 5% grade) of short- (10 min/d) or long-duration (55 min/d) treadmill exercise. Blood plasma and muscle tissues were collected 48-72 h after the last exercise bout for biochemical analyses. Results: Long-duration exercise increased fasting plasma osteocalcin, LIF, and IL-6 in healthy PBS mice, and these changes were ablated by prior FOLFOX treatment. Slow-oxidative soleus muscle COXIV activity increased in response to long-duration exercise in PBS mice, which was blocked by prior FOLFOX treatment. Fast-glycolytic plantaris muscle COXIV activity increased with short-duration exercise independent of FOLFOX administration. There was a main effect for long-duration exercise to increase fasting muscle IL-6 and COXIV mRNA expression independent of FOLFOX. FOLFOX administration reduced muscle IL-6, LIF, and BDNF mRNA expression irrespective of long-duration exercise. Interestingly, short-duration exercise suppressed the FOLXOX induction of muscle myostatin mRNA expression. Conclusion: FOLFOX attenuated early exercise adaptations related to fasting circulating osteocalcin, LIF, and IL-6. However, prior FOLFOX treatment did not alter the exercise adaptations of plantaris muscle COXIV activity and plasma adiponectin. An improved understanding of mechanisms underlying exercise adaptations after chemotherapy will provide the basis for successfully treating fatigue and metabolic dysfunction in cancer survivors.
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Affiliation(s)
- Jessica L. Halle
- Integrative Muscle Biology Laboratory, Division of Regenerative and Rehabilitative Sciences, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Brittany R. Counts
- Integrative Muscle Biology Laboratory, Division of Regenerative and Rehabilitative Sciences, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Quan Zhang
- Integrative Muscle Biology Laboratory, Division of Regenerative and Rehabilitative Sciences, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Kylie M. James
- Integrative Muscle Biology Laboratory, Division of Regenerative and Rehabilitative Sciences, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Melissa J. Puppa
- The University of Memphis, College of Health Sciences, Memphis, TN, United States
| | - Stephen E. Alway
- Laboratory of Muscle Biology and Sarcopenia, Department of Physical Therapy, University of Tennessee Health Science Center, Memphis, TN, United States
| | - James A. Carson
- Integrative Muscle Biology Laboratory, Division of Regenerative and Rehabilitative Sciences, University of Tennessee Health Science Center, Memphis, TN, United States
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13
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Brummer C, Pukrop T, Wiskemann J, Bruss C, Ugele I, Renner K. Can Exercise Enhance the Efficacy of Checkpoint Inhibition by Modulating Anti-Tumor Immunity? Cancers (Basel) 2023; 15:4668. [PMID: 37760634 PMCID: PMC10526963 DOI: 10.3390/cancers15184668] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/11/2023] [Accepted: 09/17/2023] [Indexed: 09/29/2023] Open
Abstract
Immune checkpoint inhibition (ICI) has revolutionized cancer therapy. However, response to ICI is often limited to selected subsets of patients or not durable. Tumors that are non-responsive to checkpoint inhibition are characterized by low anti-tumoral immune cell infiltration and a highly immunosuppressive tumor microenvironment. Exercise is known to promote immune cell circulation and improve immunosurveillance. Results of recent studies indicate that physical activity can induce mobilization and redistribution of immune cells towards the tumor microenvironment (TME) and therefore enhance anti-tumor immunity. This suggests a favorable impact of exercise on the efficacy of ICI. Our review delivers insight into possible molecular mechanisms of the crosstalk between muscle, tumor, and immune cells. It summarizes current data on exercise-induced effects on anti-tumor immunity and ICI in mice and men. We consider preclinical and clinical study design challenges and discuss the role of cancer type, exercise frequency, intensity, time, and type (FITT) and immune sensitivity as critical factors for exercise-induced impact on cancer immunosurveillance.
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Affiliation(s)
- Christina Brummer
- Department of Internal Medicine III, Hematology and Oncology, University Hospital Regensburg, 93053 Regensburg, Germany;
- Comprehensive Cancer Center Ostbayern (CCCO), 93053 Regensburg, Germany
| | - Tobias Pukrop
- Department of Internal Medicine III, Hematology and Oncology, University Hospital Regensburg, 93053 Regensburg, Germany;
- Comprehensive Cancer Center Ostbayern (CCCO), 93053 Regensburg, Germany
- Bavarian Cancer Research Center (BZKF), 93053 Regensburg, Germany
| | - Joachim Wiskemann
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany;
| | - Christina Bruss
- Department of Gynecology and Obstetrics, University Medical Center Regensburg, 93053 Regensburg, Germany;
| | - Ines Ugele
- Department of Otorhinolaryngology, University Hospital Regensburg, 93053 Regensburg, Germany; (I.U.); (K.R.)
| | - Kathrin Renner
- Comprehensive Cancer Center Ostbayern (CCCO), 93053 Regensburg, Germany
- Department of Otorhinolaryngology, University Hospital Regensburg, 93053 Regensburg, Germany; (I.U.); (K.R.)
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14
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Bornath DPD, McKie GL, McCarthy SF, Vanderheyden LW, Howe GJ, Medeiros PJ, Hazell TJ. Interleukin-6 is not involved in appetite regulation following moderate-intensity exercise in males with normal weight and obesity. Obesity (Silver Spring) 2023; 31:2315-2324. [PMID: 37551724 DOI: 10.1002/oby.23841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/13/2023] [Accepted: 05/16/2023] [Indexed: 08/09/2023]
Abstract
OBJECTIVE In obesogenic states and after exercise, interleukin (IL)-6 elevations are established, and IL-6 is speculated to be an appetite-regulating mechanism. This study examined the role of IL-6 on exercise-induced appetite regulation in sedentary normal weight (NW) males and those with obesity (OB). METHODS Nine NW participants and eight participants with OB completed one non-exercise control (CTRL) and one moderate-intensity continuous training (MICT; 60 minutes, 65% V̇O2max ) session. IL-6, acylated ghrelin, active peptide tyrosine-tyrosine3-36 , active glucagon-like peptide-1, and overall appetite perceptions were measured fasted, pre exercise, and 30, 90, and 150 minutes post exercise. RESULTS Fasted IL-6 concentrations were elevated in OB (p = 0.005,η p 2 = 0.419); however, increases following exercise were similar between groups (p = 0.934,η p 2 = 0.000). Acylated ghrelin was lower in OB versus NW (p < 0.017, d > 0.84), and OB did not respond to MICT (p > 0.512, d < 0.44) although NW had a decrease versus CTRL (p < 0.034, d > 0.61). IL-6 did not moderate/mediate acylated ghrelin release after exercise (p > 0.251). There were no observable effects of MICT on tyrosine-tyrosine3-36 , glucagon-like peptide-1, or overall appetite (p > 0.334,η p 2 < 0.062). CONCLUSIONS These results suggest that IL-6 is not involved in exercise-induced appetite suppression. Despite blunted appetite-regulatory peptide responses to MICT in participants with OB, NW participants exhibited decreased acylated ghrelin; however, no differences in appetite perceptions existed between CTRL and MICT or NW and OB.
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Affiliation(s)
- Derek P D Bornath
- Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada
| | - Greg L McKie
- Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada
| | - Seth F McCarthy
- Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada
| | - Luke W Vanderheyden
- Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada
| | - Greg J Howe
- Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada
| | - Philip J Medeiros
- Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada
| | - Tom J Hazell
- Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada
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15
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de Baat A, Trinh B, Ellingsgaard H, Donath MY. Physiological role of cytokines in the regulation of mammalian metabolism. Trends Immunol 2023:S1471-4906(23)00110-2. [PMID: 37423882 DOI: 10.1016/j.it.2023.06.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/09/2023] [Accepted: 06/09/2023] [Indexed: 07/11/2023]
Abstract
The innate cytokine system is involved in the response to excessive food intake. In this review, we highlight recent advances in our understanding of the physiological role of three prominent cytokines, interleukin (IL)-1β, IL-6, and tumor necrosis factor (TNF), in mammalian metabolic regulation. This recent research highlights the pleiotropic and context-dependent functions in the immune-metabolic interplay. IL-1β is activated in response to overloaded mitochondrial metabolism, stimulates insulin secretion, and allocates energy to immune cells. IL-6 is released by contracting skeletal muscle and adipose tissue and directs energy from storing tissues to consuming tissues. TNF induces insulin resistance and prevents ketogenesis. Additionally, the therapeutic potential of modulating the activity of each cytokine is discussed.
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Affiliation(s)
- Axel de Baat
- Clinic of Endocrinology, Diabetes and Metabolism University Hospital Basel, Basel, Switzerland; Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Beckey Trinh
- The Centre for Physical Activity Research, Rigshospitalet, Copenhagen, Denmark
| | - Helga Ellingsgaard
- The Centre for Physical Activity Research, Rigshospitalet, Copenhagen, Denmark
| | - Marc Y Donath
- Clinic of Endocrinology, Diabetes and Metabolism University Hospital Basel, Basel, Switzerland; Department of Biomedicine, University of Basel, Basel, Switzerland.
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Małkowska P, Sawczuk M. Cytokines as Biomarkers for Evaluating Physical Exercise in Trained and Non-Trained Individuals: A Narrative Review. Int J Mol Sci 2023; 24:11156. [PMID: 37446334 DOI: 10.3390/ijms241311156] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 06/29/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023] Open
Abstract
Physical activity and exercise training have numerous health benefits, including the prevention and management of chronic diseases, improvement of cardiovascular health, and enhancement of mental well-being. However, the effectiveness of training programs can vary widely among individuals due to various factors, such as genetics, lifestyle, and environment. Thus, identifying reliable biomarkers to evaluate physical training effectiveness and personalize training programs is crucial. Cytokines are signaling molecules produced by immune cells that play a vital role in inflammation and tissue repair. In recent years, there has been increasing interest in the potential use of cytokines as biomarkers for evaluating training effectiveness. This review article aims to provide an overview of cytokines, their potential as biomarkers, methods for measuring cytokine levels, and factors that can affect cytokine levels. The article also discusses the potential benefits of using cytokines as biomarkers, such as monitoring muscle damage and inflammation, and the potential for personalized training programs based on cytokine responses. We believe that the use of cytokines as biomarkers holds great promise for optimizing training programs and improving overall health outcomes.
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Affiliation(s)
- Paulina Małkowska
- Institute of Physical Culture Sciences, University of Szczecin, 71-065 Szczecin, Poland
- Doctoral School, University of Szczecin, 70-384 Szczecin, Poland
| | - Marek Sawczuk
- Institute of Physical Culture Sciences, University of Szczecin, 71-065 Szczecin, Poland
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17
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Jespersen S, Plomgaard P, Madsbad S, Hansen AE, Bandholm T, Pedersen BK, Ritz C, Weis N, Krogh-Madsen R. Effect of aerobic exercise training on the fat fraction of the liver in persons with chronic hepatitis B and hepatic steatosis: Trial protocol for a randomized controlled intervention trial- The FitLiver study. Trials 2023; 24:398. [PMID: 37312098 DOI: 10.1186/s13063-023-07385-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 05/17/2023] [Indexed: 06/15/2023] Open
Abstract
BACKGROUND The global prevalence of chronic hepatitis B is more than 300 million people, and in Denmark, 17,000 people are estimated to have chronic hepatitis B. Untreated, chronic hepatitis B can lead to the development of liver cirrhosis and liver cancer. There is no curable therapy. In persons with obesity and chronic hepatitis B infection, the development of hepatic steatosis imposes a double burden on the liver, leading to an increased risk of cirrhosis and liver cancer. In patients without chronic hepatitis B, exercise interventions have shown beneficial effects on hepatic steatosis through improvements in fat fraction of the liver, insulin resistance, fatty acid metabolism, and glucose metabolism, as well as activation of liver-induced regulatory protein secretion (hepatokines) after the exercise intervention. OBJECTIVE To investigate in persons with chronic hepatitis B and hepatic steatosis: Primary: Whether exercise will decrease the fat fraction of the liver. Secondary: If exercise will affect hepatokine secretion and if it will improve lipid- and glucose metabolism, liver status, markers of inflammation, body composition, and blood pressure. METHODS A randomized, controlled, clinical intervention trial consisting of 12 weeks of aerobic exercise training or no intervention. Thirty persons with chronic hepatitis B and hepatic steatosis will be randomized 1:1. Before and after the intervention, participants will undergo an MRI scan of the liver, blood sampling, oral glucose tolerance test, fibroscan, VO2max test, DXA scan, blood pressure measurements, and optional liver biopsy. Lastly, a hormone infusion test with somatostatin and glucagon to increase the glucagon/insulin ratio for stimulating secretion of circulating hepatokines will be performed. The training program includes three weekly training sessions of 40 min/session over 12 weeks. DISCUSSION This trial, investigating high-intensity interval training in persons with chronic hepatitis B and hepatic steatosis, is the first exercise intervention trial performed on this group of patients. If exercise reduces hepatic steatosis and induces other beneficial effects of clinical markers in this group of patients, there might be an indication to recommend exercise as part of treatment. Furthermore, the investigation of the effect of exercise on hepatokine secretion will provide more knowledge on the effects of exercise on the liver. TRIAL REGISTRATION Danish Capital Regions committee on health research ethics reference: H-21034236 (version 1.4 date: 19-07-2022) and ClinicalTrials.gov: NCT05265026.
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Affiliation(s)
- Sofie Jespersen
- The Centre for Physical Activity Research, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
- The Department of Infectious Diseases, Copenhagen University Hospital, Hvidovre, Denmark.
| | - Peter Plomgaard
- The Department of Clinical Biochemistry, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
- The Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Sten Madsbad
- The Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- The Department of Endocrinology, Copenhagen University Hospital, Hvidovre, Denmark
| | - Adam Espe Hansen
- The Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- The Department of Radiology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Thomas Bandholm
- The Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- The Department of Physical and Occupational Therapy, Copenhagen University Hospital, Hvidovre, Denmark
- The Department of Clinical Research, Copenhagen University Hospital, Hvidovre, Denmark
| | - Bente Klarlund Pedersen
- The Centre for Physical Activity Research, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
- The Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Christian Ritz
- The National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
| | - Nina Weis
- The Department of Infectious Diseases, Copenhagen University Hospital, Hvidovre, Denmark
- The Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Rikke Krogh-Madsen
- The Centre for Physical Activity Research, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
- The Department of Infectious Diseases, Copenhagen University Hospital, Hvidovre, Denmark
- The Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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18
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Robbins JM, Gerszten RE. Exercise, exerkines, and cardiometabolic health: from individual players to a team sport. J Clin Invest 2023; 133:168121. [PMID: 37259917 DOI: 10.1172/jci168121] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023] Open
Abstract
Exercise confers numerous salutary effects that extend beyond individual organ systems to provide systemic health benefits. Here, we discuss the role of exercise in cardiovascular health. We summarize major findings from human exercise studies in cardiometabolic disease. We next describe our current understanding of cardiac-specific substrate metabolism that occurs with acute exercise and in response to exercise training. We subsequently focus on exercise-stimulated circulating biochemicals ("exerkines") as a paradigm for understanding the global health circuitry of exercise, and discuss important concepts in this emerging field before highlighting exerkines relevant in cardiovascular health and disease. Finally, this Review identifies gaps that remain in the field of exercise science and opportunities that exist to translate biologic insights into human health improvement.
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Affiliation(s)
- Jeremy M Robbins
- Division of Cardiovascular Medicine and
- CardioVascular Institute, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
| | - Robert E Gerszten
- Division of Cardiovascular Medicine and
- CardioVascular Institute, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
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19
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Hale JN, Hughes KJ, Hall S, Labens R. The effect of exercise on cytokine concentration in equine autologous conditioned serum. Equine Vet J 2023; 55:551-556. [PMID: 35569120 DOI: 10.1111/evj.13586] [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: 12/21/2021] [Accepted: 05/05/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND Autologous conditioned serum (ACS) is a commonly administered intra-articular treatment for the management of osteoarthritis in athletic horses. OBJECTIVES To investigate the influence of exercise on the concentration of cytokines in a non-commercial method of ACS production. STUDY DESIGN Non-randomised cross over design. METHODS Whole blood was obtained from eight healthy Standardbred horses immediately prior to, 1 h and 24 h following a single bout of exhaustive exercise. Blood was processed using a non-commercial method of ACS production. Fluorescent microsphere immunoassay (FMIA) analysis was performed to quantify Interleukin 1 receptor antagonist (IL-1Ra), Interleukin-10 (IL-10), Interleukin 1β (IL-1β) and tumour necrosis factor α (TNF-α) concentrations at each time point. Mixed effect repeated measures analysis of variance (ANOVA) was used to compare the pre-exercise and post-exercise cytokine concentrations. Significance was set at P < 0.05. RESULTS A reduced concentration of IL-1Ra (median 584.4, IQR 81.9-5098 pg/ml, p = 0.004) and an increased concentration of TNF-α (11.92, 9.28-39.75 pg/ml, P = .05) at 1 h post-exercise were observed when compared with baseline values (IL-Ra 7349, 1272-10 760 pg/ml; TNF TNF-α 11.16, 8.36-32.74 pg/ml). No difference in cytokine concentrations of IL-10 or IL-1β were found between any of the time points. MAIN LIMITATIONS The large biological variability and small sample size represents limitations of this study. CONCLUSIONS These results suggest that a single bout of intense exercise can reduce the concentration of the anti-inflammatory cytokine IL-1Ra and increase the concentration of the pro-inflammatory cytokine TNF-α, reducing the 'anti-inflammatory' cytokine composition of ACS. Our findings suggest that collection of blood for ACS production should be performed no sooner than 24 h following a single episode of intense exercise.
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Affiliation(s)
- Josephine N Hale
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia
| | - Kristopher J Hughes
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia
| | - Sarah Hall
- Animal and Veterinary Sciences Department, Scotland's Rural College, Edinburgh, UK
| | - Raphael Labens
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia
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20
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Mittenbühler MJ, Jedrychowski MP, Van Vranken JG, Sprenger HG, Wilensky S, Dumesic PA, Sun Y, Tartaglia A, Bogoslavski D, A M, Xiao H, Blackmore KA, Reddy A, Gygi SP, Chouchani ET, Spiegelman BM. Isolation of extracellular fluids reveals novel secreted bioactive proteins from muscle and fat tissues. Cell Metab 2023; 35:535-549.e7. [PMID: 36681077 PMCID: PMC9998376 DOI: 10.1016/j.cmet.2022.12.014] [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: 06/08/2022] [Revised: 10/24/2022] [Accepted: 12/21/2022] [Indexed: 01/21/2023]
Abstract
Proteins are secreted from cells to send information to neighboring cells or distant tissues. Because of the highly integrated nature of energy balance systems, there has been particular interest in myokines and adipokines. These are challenging to study through proteomics because serum or plasma contains highly abundant proteins that limit the detection of proteins with lower abundance. We show here that extracellular fluid (EF) from muscle and fat tissues of mice shows a different protein composition than either serum or tissues. Mass spectrometry analyses of EFs from mice with physiological perturbations, like exercise or cold exposure, allowed the quantification of many potentially novel myokines and adipokines. Using this approach, we identify prosaposin as a secreted product of muscle and fat. Prosaposin expression stimulates thermogenic gene expression and induces mitochondrial respiration in primary fat cells. These studies together illustrate the utility of EF isolation as a discovery tool for adipokines and myokines.
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Affiliation(s)
- Melanie J Mittenbühler
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Mark P Jedrychowski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | | | - Hans-Georg Sprenger
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Sarah Wilensky
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Phillip A Dumesic
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Yizhi Sun
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Andrea Tartaglia
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Dina Bogoslavski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA
| | - Mu A
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Haopeng Xiao
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Katherine A Blackmore
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Anita Reddy
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Edward T Chouchani
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Bruce M Spiegelman
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA.
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21
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Zhang T, Tian J, Fan J, Liu X, Wang R. Exercise training-attenuated insulin resistance and liver injury in elderly pre-diabetic patients correlates with NLRP3 inflammasome. Front Immunol 2023; 14:1082050. [PMID: 36817440 PMCID: PMC9929576 DOI: 10.3389/fimmu.2023.1082050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/18/2023] [Indexed: 02/04/2023] Open
Abstract
Background Diabetes is one of the most common metabolic diseases and continues to be a leading cause of death worldwide. The NLRP3 inflammasome has been shown to exert detrimental effects on diabetic models. However, evidence linking NLRP3 inflammasome and pre-diabetes has been scarcely explored. Herein, we aimed to determine whether the NLRP3 inflammasome correlates with insulin resistance and liver pathology in a cohort of pre-diabetic subjects. Methods 50 pre-diabetic subjects were randomly assigned to a Pre-diabetes Control (DC, n=25) and a Pre-diabetes exercise (DEx, n=25) group. 25 Normal subjects (NC) were selected as controls. The DEx group performed a 6-month combined Yijingjing and resistance training intervention, while DC and NC group remained daily routines. Clinical metabolic parameters were determined with an automatic biochemistry analyzer; inflammatory cytokines were quantified by the ELISA assay; the protein expressions of NLRP3 inflammasome components in PBMCs were evaluated by Western Blot. Results The insulin resistance, liver injury and NLRP3 inflammasome activity were higher in pre-diabetic individuals than in normal control group. However, 6-month exercise intervention counteracted this trend, significantly improved insulin sensitivity, reduced liver injury and inhibited the overactivation of NLRP3 inflammasome in pre-diabetic subjects. Moreover, positive correlations between insulin resistance, liver pathology and NLRP3 inflammasome were also found. Conclusions Our study suggests that exercise training is an effective strategy to alleviate insulin resistance and liver injury in elderly pre-diabetic subjects which is probably associated with the inhibition of NLRP3 inflammasome activity.
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Affiliation(s)
- Tan Zhang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
| | - Jingjing Tian
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
| | - Jingcheng Fan
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
| | - Xiangyun Liu
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
| | - Ru Wang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
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22
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Ercan Z, Deniz G, Yentur SB, Arikan FB, Karatas A, Alkan G, Koca SS. Effects of acute aerobic exercise on cytokines, klotho, irisin, and vascular endothelial growth factor responses in rheumatoid arthritis patients. Ir J Med Sci 2023; 192:491-497. [PMID: 35296975 DOI: 10.1007/s11845-022-02970-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 03/09/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic inflammatory joint disease that causes cartilage and bone damage as well as disability. AIMS : The aim of this study was to examine the effects of acute aerobic exercise on cytokines such as serum interleukin-6 (IL-6), interleukin-1β (IL-1β), Tumor Necrosis Factor-α (TNF-α) and irisin, vascular endothelial growth factor(VEGF) and klotho in RA patients. METHODS: Forty RA patient and 40 healthy volunteers of the same age participated in this study. All participants walked on the treadmill for 30 minutes at 60-80% of maximal heart rate. Blood samples were taken before and immediately after the exercise. Serum levels of IL-6, IL1β, TNF-α and irisin, VEGF and klotho were measured by enzyme-linked immunosorbent analysis. RESULTS: Baseline levels of inflammatory cytokines, irisin, VEGF and klotho were found to be higher in RA patients compared to the control group. In both groups, there was an increase in serum klotho levels after exercise compared to baseline (p<0.05), while a decrease in IL1β, TNF-α levels were observed. While serum VEGF level decreased in RA group, it increased in the control group(p<0.05). Irisin levels decreased in both groups. IL-6 level did not change in the control group, while it increased in RA group. A single exercise session had an acute anti-inflammatory effect in RA patients. CONCLUSION It can be concluded that acute aerobic exercise can be beneficial for patients with RA through cytokine, irisin, klotho and VEGF levels, and also it can be safely implemented to the RA rehabilitation program for additional anti-inflammatory effects. Trial registration ClinicalTrials.gov: NCT04439682.
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Affiliation(s)
- Zubeyde Ercan
- Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Firat University, Elazig, Turkey.
| | - Gulnihal Deniz
- Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Erzurum Technical University, Erzurum, Turkey
| | - Songül Baglan Yentur
- Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Firat University, Elazig, Turkey
| | - Funda Bulut Arikan
- Department of Physiology, Faculty of Medicine, Kirikkale University, Kirikkale, Turkey
| | - Ahmet Karatas
- Department of Rheumatology, Faculty of Medicine, Firat University, Elazig, Turkey
| | - Gokhan Alkan
- Department of Physical Therapy and Rehabilitation, Faculty of Medicine, Firat University, Elazig, Turkey
| | - Suleyman Serdar Koca
- Department of Rheumatology, Faculty of Medicine, Firat University, Elazig, Turkey
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23
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Barney DE, Gordon BS, Hennigar SR. REDD1 deletion and treadmill running increase liver hepcidin and gluconeogenic enzymes in male mice. J Nutr Sci 2023; 12:e49. [PMID: 37123395 PMCID: PMC10131055 DOI: 10.1017/jns.2023.37] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 03/17/2023] [Indexed: 05/02/2023] Open
Abstract
The iron-regulatory hormone hepcidin is transcriptionally up-regulated by gluconeogenic signals. Recent evidence suggeststhat increases in circulating hepcidin may decrease dietary iron absorption following prolonged exercise, however evidence is limited on whether gluconeogenic signals contribute to post-exercise increases in hepcidin. Mice with genetic knockout of regulated in development and DNA response-1 (REDD1) display greater glycogen depletion following exercise, possibly indicating greater gluconeogenesis. The objective of the present study was to determine liver hepcidin, markers of gluconeogenesis and iron metabolism in REDD1 knockout and wild-type mice following prolonged exercise. Twelve-week-old male REDD1 knockout and wild-type mice were randomised to rest or 60 min treadmill running with 1, 3 or 6 h recovery (n = 5-8/genotype/group). Liver gene expression of hepcidin (Hamp) and gluconeogenic enzymes (Ppargc1a, Creb3l3, Pck1, Pygl) were determined by qRT-PCR. Effects of genotype, exercise and their interaction were assessed by two-way ANOVAs with Tukey's post-hoc tests, and Pearson correlations were used to assess the relationships between Hamp and study outcomes. Liver Hamp increased 1- and 4-fold at 3 and 6 h post-exercise, compared to rest (P-adjusted < 0⋅009 for all), and was 50% greater in REDD1 knockout compared to wild-type mice (P = 0⋅0015). Liver Ppargc1a, Creb3l3 and Pck1 increased with treadmill running (P < 0⋅0001 for all), and liver Ppargc1a, Pck1 and Pygl were greater with REDD1 deletion (P < 0⋅02 for all). Liver Hamp was positively correlated with liver Creb3l3 (R = 0⋅62, P < 0⋅0001) and Pck1 (R = 0⋅44, P = 0⋅0014). In conclusion, REDD1 deletion and prolonged treadmill running increased liver Hamp and gluconeogenic regulators of Hamp, suggesting gluconeogenic signalling of hepcidin with prolonged exercise.
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Affiliation(s)
- David E. Barney
- Department of Nutrition & Integrative Physiology, Florida State University, Tallahassee, FL, USA
- Pennington Biomedical Research Center, Baton Rouge, LA, USA
| | - Bradley S. Gordon
- Department of Nutrition & Integrative Physiology, Florida State University, Tallahassee, FL, USA
| | - Stephen R. Hennigar
- Pennington Biomedical Research Center, Baton Rouge, LA, USA
- Corresponding author: Stephen R. Hennigar, email
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24
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Ahsan M, Garneau L, Aguer C. The bidirectional relationship between AMPK pathway activation and myokine secretion in skeletal muscle: How it affects energy metabolism. Front Physiol 2022; 13:1040809. [PMID: 36479347 PMCID: PMC9721351 DOI: 10.3389/fphys.2022.1040809] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 11/04/2022] [Indexed: 11/12/2023] Open
Abstract
Myokines are peptides and proteins secreted by skeletal muscle cells, into the interstitium, or in the blood. Their regulation may be dependent or independent of muscle contraction to induce a variety of metabolic effects. Numerous myokines have been implicated in influencing energy metabolism via AMP-activated protein kinase (AMPK) signalling. As AMPK is centrally involved in glucose and lipid metabolism, it is important to understand how myokines influence its signalling, and vice versa. Such insight will better elucidate the mechanism of metabolic regulation during exercise and at rest. This review encompasses the latest research conducted on the relationship between AMPK signalling and myokines within skeletal muscles via autocrine or paracrine signalling.
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Affiliation(s)
- Mahdi Ahsan
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
| | - Léa Garneau
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
- Institut du Savoir Montfort –Recherche, Ottawa, ON, Canada
| | - Céline Aguer
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
- Institut du Savoir Montfort –Recherche, Ottawa, ON, Canada
- Department of Physiology, Faculty of Medicine and Health Sciences, McGill University—Campus Outaouais, Gatineau, QC, Canada
- School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
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25
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Branched-Chain Amino Acids Supplementation Does Not Accelerate Recovery after a Change of Direction Sprinting Exercise Protocol. Nutrients 2022; 14:nu14204331. [PMID: 36297014 PMCID: PMC9609908 DOI: 10.3390/nu14204331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/10/2022] [Accepted: 10/13/2022] [Indexed: 11/23/2022] Open
Abstract
BCAAs supplementation has been widely used for post-exercise recovery. However, no evidence is currently available to answer the question of whether BCAAs supplementation can attenuate muscle damage and ameliorate recovery after a bout of change of direction (COD) sprinting, which is an exercise motion frequently used during team sport actions. This study aimed to assess the effect of BCAAs supplementation on muscle damage markers, subjective muscle soreness, neuromuscular performance, and the vascular health of collegiate basketball players during a 72 h recovery period after a standardized COD protocol. Participants orally received either BCAAs (0.17 g/kg BCAAs + 0.17 g/kg glucose) or placebo (0.34 g/kg glucose) supplementation before and immediately after a COD exercise protocol in a randomized, crossover, double-blind, and placebo-controlled manner. Creatine kinase increased immediately after exercise and peaked at 24 h, muscle soreness remained elevated until 72 h, whilst arterial stiffness decreased after exercise for both supplemented conditions. A negligibly lower level of interleukin-6 was found in the BCAAs supplemented condition. In conclusion, the results of this study do not support the benefits of BCAAs supplementation on mitigating muscle damage and soreness, neuromuscular performance, and arterial stiffness after COD for basketball players.
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26
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Martínez-Gayo A, Félix-Soriano E, Sáinz N, González-Muniesa P, Moreno-Aliaga MJ. Changes Induced by Aging and Long-Term Exercise and/or DHA Supplementation in Muscle of Obese Female Mice. Nutrients 2022; 14:nu14204240. [PMID: 36296923 PMCID: PMC9610919 DOI: 10.3390/nu14204240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 10/07/2022] [Accepted: 10/08/2022] [Indexed: 11/16/2022] Open
Abstract
Obesity and aging promote chronic low-grade systemic inflammation. The aim of the study was to analyze the effects of long-term physical exercise and/or omega-3 fatty acid Docosahexaenoic acid (DHA) supplementation on genes or proteins related to muscle metabolism, inflammation, muscle damage/regeneration and myokine expression in aged and obese mice. Two-month-old C57BL/6J female mice received a control or a high-fat diet for 4 months. Then, the diet-induced obese (DIO) mice were distributed into four groups: DIO, DIO + DHA, DIO + EX (treadmill training) and DIO + DHA + EX up to 18 months. Mice fed a control diet were sacrificed at 2, 6 and 18 months. Aging increased the mRNA expression of Tnf-α and decreased the expression of genes related to glucose uptake (Glut1, Glut4), muscle atrophy (Murf1, Atrogin-1, Cas-9) and myokines (Metrnl, Il-6). In aged DIO mice, exercise restored several of these changes. It increased the expression of genes related to glucose uptake (Glut1, Glut4), fatty acid oxidation (Cpt1b, Acox), myokine expression (Fndc5, Il-6) and protein turnover, decreased Tnf-α expression and increased p-AKT/AKT ratio. No additional effects were observed when combining exercise and DHA. These data suggest the effectiveness of long-term training to prevent the deleterious effects of aging and obesity on muscle dysfunction.
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Affiliation(s)
- Alejandro Martínez-Gayo
- Department of Nutrition, Food Science and Physiology, Faculty of Pharmacy and Nutrition, University of Navarra, 31008 Pamplona, Spain
- Center for Nutrition Research, University of Navarra, 31008 Pamplona, Spain
| | - Elisa Félix-Soriano
- Department of Nutrition, Food Science and Physiology, Faculty of Pharmacy and Nutrition, University of Navarra, 31008 Pamplona, Spain
- Center for Nutrition Research, University of Navarra, 31008 Pamplona, Spain
| | - Neira Sáinz
- Department of Nutrition, Food Science and Physiology, Faculty of Pharmacy and Nutrition, University of Navarra, 31008 Pamplona, Spain
- Center for Nutrition Research, University of Navarra, 31008 Pamplona, Spain
| | - Pedro González-Muniesa
- Department of Nutrition, Food Science and Physiology, Faculty of Pharmacy and Nutrition, University of Navarra, 31008 Pamplona, Spain
- Center for Nutrition Research, University of Navarra, 31008 Pamplona, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Carlos III Health Institute (ISCIII), 28029 Madrid, Spain
- IdISNA–Navarra Institute for Health Research, 31008 Pamplona, Spain
- Correspondence: (P.G.-M.); (M.J.M.-A.)
| | - María J. Moreno-Aliaga
- Department of Nutrition, Food Science and Physiology, Faculty of Pharmacy and Nutrition, University of Navarra, 31008 Pamplona, Spain
- Center for Nutrition Research, University of Navarra, 31008 Pamplona, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Carlos III Health Institute (ISCIII), 28029 Madrid, Spain
- IdISNA–Navarra Institute for Health Research, 31008 Pamplona, Spain
- Correspondence: (P.G.-M.); (M.J.M.-A.)
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27
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Shobeiri P, Seyedmirzaei H, Karimi N, Rashidi F, Teixeira AL, Brand S, Sadeghi-Bahmani D, Rezaei N. IL-6 and TNF-α responses to acute and regular exercise in adult individuals with multiple sclerosis (MS): a systematic review and meta-analysis. Eur J Med Res 2022; 27:185. [PMID: 36156182 PMCID: PMC9511785 DOI: 10.1186/s40001-022-00814-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 09/13/2022] [Indexed: 11/30/2022] Open
Abstract
Background In both the general population and people with multiple sclerosis (PwMS), physical exercise is associated with improved mental well-being. Moreover, there is evidence of the possible protection of physical activity against disease progression in multiple sclerosis (MS). However, the question arises if acute or regular exercise has any impact on the immune system in PwMS. To answer this question, we performed a systematic review and meta-analysis on both plasma and serum cytokine levels (IL-6 and TNF-α) before and after acute and regular exercise among PwMS and compared to healthy controls. Method We performed an online search via PubMed, EMBASE, SCOPUS, Web of Science, and Cochrane Library till September 2021 to identify original studies on IL-6 and TNF-α changes after acute and regular exercise in PwMS and controls. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA), 11 original studies were included in the meta-analysis. Sensitivity analyses were used to identify the origins of heterogeneity. R 4.0.4 was used to perform the meta-analysis of IL-6 and TNF-α levels before and after acute and regular exercise in PwMS, compared to controls. This study does not qualify for a clinical trial number. Results IL-6 levels did neither increase nor decrease after acute and regular exercise in PwMS, and compared to controls (pre- vs. post-intervention: Standardized Mean Difference (SMD) -0.09, 95% CI [−0.29; 0.11], p-value = 0.37, PwMS vs. Control: SMD −0.08, 95% CI [−0.33; 0.16], p-value = 0.47). In PwMS, TNF-α levels decreased after regular exercise and when TNF-α levels of both acute and regular exercise were pooled (pre- vs. post-intervention: SMD −0.51, 95% CI [-0.91; 0.11], p-value = 0.01, PwMS vs. Control: SMD −0.23, 95% CI [−0.66; 0.18], p-value = 0.26). TNF-α levels did neither increase nor decrease after acute and regular exercise in PwMS, when compared to controls. Conclusion This systematic review and meta-analysis show that exercise does not lead to significant changes in peripheral levels of IL-6 in PwMS in contrast to the observed response in healthy subjects and other medical contexts. However, regular exercise had a specific anti-inflammatory effect on blood TNF-α levels in PwMS. It remains to be investigated why PwMS display this different exercise-induced pattern of cytokines. Supplementary Information The online version contains supplementary material available at 10.1186/s40001-022-00814-9.
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Affiliation(s)
- Parnian Shobeiri
- School of Medicine, Children's Medical Center Hospital, Tehran University of Medical Sciences (TUMS), Dr. Qarib St., Keshavarz Blvd, Tehran, 14194, Iran.,Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Homa Seyedmirzaei
- School of Medicine, Children's Medical Center Hospital, Tehran University of Medical Sciences (TUMS), Dr. Qarib St., Keshavarz Blvd, Tehran, 14194, Iran.,Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Interdisciplinary Neuroscience Research Program (INRP), Tehran University of Medical Sciences, Tehran, Iran
| | - Nastaran Karimi
- School of Medicine, Sari Branch, Islamic Azad University, Sari, Iran
| | - Fatemeh Rashidi
- School of Medicine, Children's Medical Center Hospital, Tehran University of Medical Sciences (TUMS), Dr. Qarib St., Keshavarz Blvd, Tehran, 14194, Iran
| | - Antônio L Teixeira
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, Neuropsychiatry Program, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Serge Brand
- School of Medicine, Children's Medical Center Hospital, Tehran University of Medical Sciences (TUMS), Dr. Qarib St., Keshavarz Blvd, Tehran, 14194, Iran.,Psychiatric Clinics, Center for Affective, Stress and Sleep Disorders, University of Basel, Basel, Switzerland.,Division of Sport Science and Psychosocial Health, Department of Sport, Exercise and Health, Faculty of Medicine, University of Basel, Basel, Switzerland.,Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Substance Abuse Prevention Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Dena Sadeghi-Bahmani
- Psychiatric Clinics, Center for Affective, Stress and Sleep Disorders, University of Basel, Basel, Switzerland.,Department of Psychology, Stanford University, Stanford, CA, USA
| | - Nima Rezaei
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran. .,Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran. .,Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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28
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Reddy I, Yadav Y, Dey CS. Cellular and Molecular Regulation of Exercise—A Neuronal Perspective. Cell Mol Neurobiol 2022; 43:1551-1571. [PMID: 35986789 DOI: 10.1007/s10571-022-01272-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/10/2022] [Indexed: 11/29/2022]
Abstract
The beneficial effects of exercise on the proper functioning of the body have been firmly established. Multi-systemic metabolic regulation of exercise is the consequence of multitudinous changes that occur at the cellular level. The exercise responsome comprises all molecular entities including exerkines, miRNA species, growth factors, signaling proteins that are elevated and activated by physical exercise. Exerkines are secretory molecules released by organs such as skeletal muscle, adipose tissue, liver, and gut as a function of acute/chronic exercise. Exerkines such as FNDC5/irisin, Cathepsin B, Adiponectin, and IL-6 circulate through the bloodstream, cross the blood-brain barrier, and modulate the expression of important signaling molecules such as AMPK, SIRT1, PGC1α, BDNF, IGF-1, and VEGF which further contribute to improved energy metabolism, glucose homeostasis, insulin sensitivity, neurogenesis, synaptic plasticity, and overall well-being of the body and brain. These molecules are also responsible for neuroprotective adaptations that exercise confers on the brain and potentially ameliorate neurodegeneration. This review aims to detail important cellular and molecular species that directly or indirectly mediate exercise-induced benefits in the body, with an emphasis on the central nervous system.
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Affiliation(s)
- Ishitha Reddy
- Kusuma School of Biological Sciences, Indian Institute of Technology, Delhi, New Delhi, 110016, India
| | - Yamini Yadav
- Kusuma School of Biological Sciences, Indian Institute of Technology, Delhi, New Delhi, 110016, India
| | - Chinmoy Sankar Dey
- Kusuma School of Biological Sciences, Indian Institute of Technology, Delhi, New Delhi, 110016, India.
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29
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Bonanno S, Cavalcante P, Salvi E, Giagnorio E, Malacarne C, Cattaneo M, Andreetta F, Venerando A, Pensato V, Gellera C, Zanin R, Arnoldi MT, Dosi C, Mantegazza R, Masson R, Maggi L, Marcuzzo S. Identification of a cytokine profile in serum and cerebrospinal fluid of pediatric and adult spinal muscular atrophy patients and its modulation upon nusinersen treatment. Front Cell Neurosci 2022; 16:982760. [PMID: 36035258 PMCID: PMC9406526 DOI: 10.3389/fncel.2022.982760] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
Background and objectivesMultisystem involvement in spinal muscular atrophy (SMA) is gaining prominence since different therapeutic options are emerging, making the way for new SMA phenotypes and consequent challenges in clinical care. Defective immune organs have been found in preclinical models of SMA, suggesting an involvement of the immune system in the disease. However, the immune state in SMA patients has not been investigated so far. Here, we aimed to evaluate the innate and adaptive immunity pattern in SMA type 1 to type 3 patients, before and after nusinersen treatment.MethodsTwenty one pediatric SMA type 1, 2, and 3 patients and 12 adult SMA type 2 and 3 patients were included in this single-center retrospective study. A Bio-Plex Pro-Human Cytokine 13-plex Immunoassay was used to measure cytokines in serum and cerebrospinal fluid (CSF) of the study cohort before and after 6 months of therapy with nusinersen.ResultsWe detected a significant increase in IL-1β, IL-4, IL-6, IL-10, IFN-γ, IL-17A, IL-22, IL-23, IL-31, and IL-33, in serum of pediatric and adult SMA patients at baseline, compared to pediatric reference ranges and to adult healthy controls. Pediatric patients showed also a significant increase in TNF-α and IL-17F levels at baseline. IL-4, IFN-γ, Il-22, IL-23, and IL-33 decreased in serum of pediatric SMA patients after 6 months of therapy when compared to baseline. A significant decrease in IL-4, IL-6, INF-γ, and IL-17A was detected in serum of adult SMA patients after treatment. CSF of both pediatric and adult SMA patients displayed detectable levels of all cytokines with no significant differences after 6 months of treatment with nusinersen. Notably, a higher baseline expression of IL-23 in serum correlated with a worse motor function outcome after treatment in pediatric patients. Moreover, after 6 months of treatment, patients presenting a higher IL-10 concentration in serum showed a better Hammersmith Functional Motor Scale Expanded (HFMSE) score.DiscussionPediatric and adult SMA patients show an inflammatory signature in serum that is reduced upon SMN2 modulating treatment, and the presence of inflammatory mediators in CSF. Our findings enhance SMA knowledge with potential clinical and therapeutic implications.
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Affiliation(s)
- Silvia Bonanno
- Neurology IV - Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
- *Correspondence: Silvia Bonanno,
| | - Paola Cavalcante
- Neurology IV - Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
- Paola Cavalcante,
| | - Erika Salvi
- Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Eleonora Giagnorio
- Neurology IV - Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Claudia Malacarne
- Neurology IV - Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
- Ph.D. Program in Neuroscience, University of Milano-Bicocca, Monza, Italy
| | - Marco Cattaneo
- Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Francesca Andreetta
- Neurology IV - Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Anna Venerando
- Unit of Medical Genetics and Neurogenetics, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Viviana Pensato
- Unit of Medical Genetics and Neurogenetics, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Cinzia Gellera
- Unit of Medical Genetics and Neurogenetics, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Riccardo Zanin
- Developmental Neurology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Maria Teresa Arnoldi
- Developmental Neurology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Claudia Dosi
- Developmental Neurology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Renato Mantegazza
- Neurology IV - Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Riccardo Masson
- Developmental Neurology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Lorenzo Maggi
- Neurology IV - Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Stefania Marcuzzo
- Neurology IV - Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
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Horseman M, Panahi L, Udeani G, Tenpas AS, Verduzco Jr. R, Patel PH, Bazan DZ, Mora A, Samuel N, Mingle AC, Leon LR, Varon J, Surani S. Drug-Induced Hyperthermia Review. Cureus 2022; 14:e27278. [PMID: 36039261 PMCID: PMC9403255 DOI: 10.7759/cureus.27278] [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] [Accepted: 07/22/2022] [Indexed: 11/26/2022] Open
Abstract
Humans maintain core body temperature via a complicated system of physiologic mechanisms that counteract heat/cold fluctuations from metabolism, exertion, and the environment. Overextension of these mechanisms or disruption of body temperature homeostasis leads to bodily dysfunction, culminating in a syndrome analogous to exertional heat stroke (EHS). The inability of this thermoregulatory process to maintain the body temperature is caused by either thermal stress or certain drugs. EHS is a syndrome characterized by hyperthermia and the activation of systemic inflammation. Several drug-induced hyperthermic syndromes may resemble EHS and share common mechanisms. The purpose of this article is to review the current literature and compare exertional heat stroke (EHS) to three of the most widely studied drug-induced hyperthermic syndromes: malignant hyperthermia (MH), neuroleptic malignant syndrome (NMS), and serotonin syndrome (SS). Drugs and drug classes that have been implicated in these conditions include amphetamines, diuretics, cocaine, antipsychotics, metoclopramide, selective serotonin reuptake inhibitors (SSRIs), tricyclic antidepressants (TCAs), and many more. Observations suggest that severe or fulminant cases of drug-induced hyperthermia may evolve into an inflammatory syndrome best described as heat stroke. Their underlying mechanisms, symptoms, and treatment approaches will be reviewed to assist in accurate diagnosis, which will impact the management of potentially life-threatening complications.
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Pham K, Frost S, Parikh K, Puvvula N, Oeung B, Heinrich EC. Inflammatory gene expression during acute high‐altitude exposure. J Physiol 2022; 600:4169-4186. [PMID: 35875936 PMCID: PMC9481729 DOI: 10.1113/jp282772] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 06/22/2022] [Indexed: 11/08/2022] Open
Abstract
Abstract The molecular signalling pathways that regulate inflammation and the response to hypoxia share significant crosstalk and appear to play major roles in high‐altitude acclimatization and adaptation. Several studies demonstrate increases in circulating candidate inflammatory markers during acute high‐altitude exposure, but significant gaps remain in our understanding of how inflammation and immune function change at high altitude and whether these responses contribute to high‐altitude pathologies, such as acute mountain sickness. To address this, we took an unbiased transcriptomic approach, including RNA sequencing and direct digital mRNA detection with NanoString, to identify changes in the inflammatory profile of peripheral blood throughout 3 days of high‐altitude acclimatization in healthy sea‐level residents (n = 15; five women). Several inflammation‐related genes were upregulated on the first day of high‐altitude exposure, including a large increase in HMGB1 (high mobility group box 1), a damage‐associated molecular pattern (DAMP) molecule that amplifies immune responses during tissue injury. Differentially expressed genes on the first and third days of acclimatization were enriched for several inflammatory pathways, including nuclear factor‐κB and Toll‐like receptor (TLR) signalling. Indeed, both TLR4 and LY96, which encodes the lipopolysaccharide binding protein (MD‐2), were upregulated at high altitude. Finally, FASLG and SMAD7 were associated with acute mountain sickness scores and peripheral oxygen saturation levels on the first day at high altitude, suggesting a potential role of immune regulation in response to high‐altitude hypoxia. These results indicate that acute high‐altitude exposure upregulates inflammatory signalling pathways and might sensitize the TLR4 signalling pathway to subsequent inflammatory stimuli.
![]() Key points Inflammation plays a crucial role in the physiological response to hypoxia. High‐altitude hypoxia exposure causes alterations in the inflammatory profile that might play an adaptive or maladaptive role in acclimatization. In this study, we characterized changes in the inflammatory profile following acute high‐altitude exposure. We report upregulation of novel inflammation‐related genes in the first 3 days of high‐altitude exposure, which might play a role in immune system sensitization. These results provide insight into how hypoxia‐induced inflammation might contribute to high‐altitude pathologies and exacerbate inflammatory responses in critical illnesses associated with hypoxaemia.
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Affiliation(s)
- Kathy Pham
- Division of Biomedical Sciences School of Medicine University of California Riverside Riverside CA USA
| | - Shyleen Frost
- Division of Biomedical Sciences School of Medicine University of California Riverside Riverside CA USA
| | - Keval Parikh
- Division of Biomedical Sciences School of Medicine University of California Riverside Riverside CA USA
| | - Nikhil Puvvula
- Division of Biomedical Sciences School of Medicine University of California Riverside Riverside CA USA
| | - Britney Oeung
- Division of Biomedical Sciences School of Medicine University of California Riverside Riverside CA USA
| | - Erica C. Heinrich
- Division of Biomedical Sciences School of Medicine University of California Riverside Riverside CA USA
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Zhang M, Guo Y, Su R, Corazzin M, Li J, Huang H, Zhang Y, Yao D, Su L, Zhao L, Jin Y. Effects of physical exercise on muscle metabolism and meat quality characteristics of Mongolian sheep. Food Sci Nutr 2022; 10:1494-1509. [PMID: 35592278 PMCID: PMC9094461 DOI: 10.1002/fsn3.2768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The objective of this study was to investigate the effects of exercise training on muscle metabolism, fatty acid composition, carcass traits, and meat quality characteristics of Mongolian sheep. Fourteen Mongolian sheep were randomly divided into two groups (7 sheep in each) and placed in two adjacent livestock pens. One group of sheep was kept in the pen (Control [C] group) and the other group of sheep (Training [T] group) were driven away in a field to walk twice a day. The results showed a reduction in pH measured 45 min post mortem, L*, a*, and b* value, intramuscular fat, and carcass length, and an increase in the ultimate pH value and shear force in the meat of T group in comparison with that of C group (p < .050). Also, exercise training moderately affected the fatty acid composition of LT muscle. Compared with C group, the concentrations of myristoleic acid (C14:1) and stearic acid (C18:0) were increased (p < .050), while the concentrations of C20:3 n‐6, neurolic acid (C24:1), and n‐3 polyunsaturated fatty acid (PUFA) were decreased in T group (p < .050). Transcriptome analysis highlighted 621 genes differentially expressed in two groups, including 385 were up‐regulated (e.g., GLUT4 and PGC‐1α) and 236 were down‐regulated (e.g., PLIN1 and ACSL3) in T with respect to C group. Besides, considering these genes, a number of enrichment pathways related to muscle metabolic processes, involving carbohydrate metabolism, lipid metabolism, oxidation reduction process, and muscle tissue development, were highlighted. In conclusion, these results contributed to a better understanding of the possible biological and molecular processes underlying the effects of exercise training on muscle metabolism and meat quality in Mongolian sheep, and provide useful information for contributing to understand the phenotypic and functional differences in meat quality of sheep.
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Affiliation(s)
- Min Zhang
- College of Food Science and Engineering Inner Mongolia Agriculture University Hohhot China
| | - Yueying Guo
- College of Food Science and Engineering Inner Mongolia Agriculture University Hohhot China
| | - Rina Su
- Inner Mongolia Vocational College of Chemical Engineering Hohhot China
| | - Mirco Corazzin
- Dipartimento di Scienze Animali Università di Udine Italy
| | - Jiale Li
- College of Food Science and Engineering Inner Mongolia Agriculture University Hohhot China
| | - Huan Huang
- College of Food Science and Engineering Inner Mongolia Agriculture University Hohhot China
| | - Yue Zhang
- College of Food Science and Engineering Inner Mongolia Agriculture University Hohhot China
| | - Duo Yao
- College of Food Science and Engineering Inner Mongolia Agriculture University Hohhot China
| | - Lin Su
- College of Food Science and Engineering Inner Mongolia Agriculture University Hohhot China
| | - Lihua Zhao
- College of Food Science and Engineering Inner Mongolia Agriculture University Hohhot China
| | - Ye Jin
- College of Food Science and Engineering Inner Mongolia Agriculture University Hohhot China
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Geng L, Liao B, Jin L, Yu J, Zhao X, Zhao Y, Zhong L, Wang B, Li J, Liu J, Yang JK, Jia W, Lian Q, Xu A. β-Klotho promotes glycolysis and glucose-stimulated insulin secretion via GP130. Nat Metab 2022; 4:608-626. [PMID: 35551509 DOI: 10.1038/s42255-022-00572-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 04/07/2022] [Indexed: 12/13/2022]
Abstract
Impaired glucose-stimulated insulin secretion (GSIS) is a hallmark of type-2 diabetes. However, cellular signaling machineries that control GSIS remain incompletely understood. Here, we report that β-klotho (KLB), a single-pass transmembrane protein known as a co-receptor for fibroblast growth factor 21 (FGF21), fine tunes GSIS via modulation of glycolysis in pancreatic β-cells independent of the actions of FGF21. β-cell-specific deletion of Klb but not Fgf21 deletion causes defective GSIS and glucose intolerance in mice and defective GSIS in islets of type-2 diabetic mice is mitigated by adenovirus-mediated restoration of KLB. Mechanistically, KLB interacts with and stabilizes the cytokine receptor subunit GP130 by blockage of ubiquitin-dependent lysosomal degradation, thereby facilitating interleukin-6-evoked STAT3-HIF1α signaling, which in turn transactivates a cluster of glycolytic genes for adenosine triphosphate production and GSIS. The defective glycolysis and GSIS in Klb-deficient islets are rescued by adenovirus-mediated replenishment of STAT3 or HIF1α. Thus, KLB functions as a key cell-surface regulator of GSIS by coupling the GP130 receptor signaling to glucose catabolism in β-cells and represents a promising therapeutic target for diabetes.
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Affiliation(s)
- Leiluo Geng
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China
- Department of Medicine, The University of Hong Kong, Hong Kong, China
- Cord Blood Bank, Guangzhou Institute of Eugenics and Perinatology, Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangzhou, China
| | - Boya Liao
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China
- Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong, China
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
| | - Leigang Jin
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China
- Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Jiasui Yu
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China
- Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Xiaoyu Zhao
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China
- Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Yuntao Zhao
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China
- Department of Medicine, The University of Hong Kong, Hong Kong, China
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Ling Zhong
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China
- Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Baile Wang
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China
- Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Jiufeng Li
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
| | - Jie Liu
- Department of Medicine, The University of Hong Kong, Hong Kong, China
- Cord Blood Bank, Guangzhou Institute of Eugenics and Perinatology, Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangzhou, China
| | - Jin-Kui Yang
- Beijing Key Laboratory of Diabetes Research and Care, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Wei Jia
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
- Center for Translational Medicine, Shanghai Key Laboratory of Diabetes Mellitus, and Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Diabetes Institute, Shanghai, China
| | - Qizhou Lian
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China.
- Department of Medicine, The University of Hong Kong, Hong Kong, China.
- Cord Blood Bank, Guangzhou Institute of Eugenics and Perinatology, Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangzhou, China.
- HKUMed Laboratory of Cellular Therapeutics, The University of Hong Kong, Hong Kong, China.
| | - Aimin Xu
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China.
- Department of Medicine, The University of Hong Kong, Hong Kong, China.
- Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong, China.
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Greco F, Beomonte Zobel B, Mallio CA. Decreased cross-sectional muscle area in male patients with clear cell renal cell carcinoma and peritumoral collateral vessels. World J Radiol 2022; 14:82-90. [PMID: 35646290 PMCID: PMC9124980 DOI: 10.4329/wjr.v14.i4.82] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/15/2021] [Accepted: 03/27/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Sarcopenia is the loss of skeletal muscle mass (SMM) and is a sign of cancer cachexia. Patients with advanced renal cell carcinoma (RCC) may show cachexia.
AIM To evaluate the amount of SMM in male clear cell RCC (ccRCC) patients with and without collateral vessels.
METHODS In this study, we included a total of 124 male Caucasian patients divided into two groups: ccRCCa group without collateral vessels (n = 54) and ccRCCp group with collateral vessels (n = 70). Total abdominal muscle area (TAMA) was measured in both groups using a computed tomography imaging-based approach. TAMA measures were also corrected for age in order to rule out age-related effects.
RESULTS There was a statistically significant difference between the two groups in terms of TAMA (P < 0.05) driven by a reduction in patients with peritumoral collateral vessels. The result was confirmed by repeating the analysis with values corrected for age (P < 0.05), indicating no age effect on our findings.
CONCLUSION This study showed a decreased TAMA in ccRCC patients with peritumoral collateral vessels. The presence of peritumoral collateral vessels adjacent to ccRCC might be a fine diagnostic clue to sarcopenia.
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Affiliation(s)
- Federico Greco
- Unità Operativa Complessa Diagnostica per Immagini Territoriale Aziendale, Cittadella della Salute Azienda Sanitaria Locale di Lecce, Lecce 73100, Italy
| | - Bruno Beomonte Zobel
- Unit of Diagnostic Imaging, Università Campus Bio-Medico di Roma, Rome 00128, Italy
| | - Carlo Augusto Mallio
- Unit of Diagnostic Imaging, Università Campus Bio-Medico di Roma, Rome 00128, Italy
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Renzini A, D’Onghia M, Coletti D, Moresi V. Histone Deacetylases as Modulators of the Crosstalk Between Skeletal Muscle and Other Organs. Front Physiol 2022; 13:706003. [PMID: 35250605 PMCID: PMC8895239 DOI: 10.3389/fphys.2022.706003] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 01/31/2022] [Indexed: 12/14/2022] Open
Abstract
Skeletal muscle plays a major role in controlling body mass and metabolism: it is the most abundant tissue of the body and a major source of humoral factors; in addition, it is primarily responsible for glucose uptake and storage, as well as for protein metabolism. Muscle acts as a metabolic hub, in a crosstalk with other organs and tissues, such as the liver, the brain, and fat tissue. Cytokines, adipokines, and myokines are pivotal mediators of such crosstalk. Many of these circulating factors modulate histone deacetylase (HDAC) expression and/or activity. HDACs form a numerous family of enzymes, divided into four classes based on their homology to their orthologs in yeast. Eleven family members are considered classic HDACs, with a highly conserved deacetylase domain, and fall into Classes I, II, and IV, while class III members are named Sirtuins and are structurally and mechanistically distinct from the members of the other classes. HDACs are key regulators of skeletal muscle metabolism, both in physiological conditions and following metabolic stress, participating in the highly dynamic adaptative responses of the muscle to external stimuli. In turn, HDAC expression and activity are closely regulated by the metabolic demands of the skeletal muscle. For instance, NAD+ levels link Class III (Sirtuin) enzymatic activity to the energy status of the cell, and starvation or exercise affect Class II HDAC stability and intracellular localization. SUMOylation or phosphorylation of Class II HDACs are modulated by circulating factors, thus establishing a bidirectional link between HDAC activity and endocrine, paracrine, and autocrine factors. Indeed, besides being targets of adipo-myokines, HDACs affect the synthesis of myokines by skeletal muscle, altering the composition of the humoral milieu and ultimately contributing to the muscle functioning as an endocrine organ. In this review, we discuss recent findings on the interplay between HDACs and circulating factors, in relation to skeletal muscle metabolism and its adaptative response to energy demand. We believe that enhancing knowledge on the specific functions of HDACs may have clinical implications leading to the use of improved HDAC inhibitors for the treatment of metabolic syndromes or aging.
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Affiliation(s)
- Alessandra Renzini
- Unit of Histology and Medical Embryology, Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University of Rome, Rome, Italy
| | - Marco D’Onghia
- Unit of Histology and Medical Embryology, Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University of Rome, Rome, Italy
| | - Dario Coletti
- Unit of Histology and Medical Embryology, Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University of Rome, Rome, Italy
- Biological Adaptation and Ageing, Institut de Biologie Paris-Seine, Sorbonne Université, Paris, France
- *Correspondence: Dario Coletti,
| | - Viviana Moresi
- Unit of Histology and Medical Embryology, Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University of Rome, Rome, Italy
- Institute of Nanotechnology (Nanotec), National Research Council, Rome, Italy
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Alves MDDJ, Silva DDS, Pereira EVM, Pereira DD, de Sousa Fernandes MS, Santos DFC, Oliveira DPM, Vieira-Souza LM, Aidar FJ, de Souza RF. Changes in Cytokines Concentration Following Long-Distance Running: A Systematic Review and Meta-Analysis. Front Physiol 2022; 13:838069. [PMID: 35250639 PMCID: PMC8893166 DOI: 10.3389/fphys.2022.838069] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 01/25/2022] [Indexed: 12/15/2022] Open
Abstract
Long-distance running is an exhausting effort for the whole organism. Prolonged aerobic exercise induces changes in inflammatory markers. However, predicting muscle damage in response has limitations in terms of selecting biomarkers used to measure inflammatory status. The present study conducts a systematic review and meta-analysis of articles focusing in ultra-marathon, marathon, and half-marathon and levels of cytokines. The search was conducted in PubMed, Web of Science, and Scopus databases, resulting in the inclusion of 76 articles. IL-6 was highlighted, evaluated in 62 studies and show increase in the standard mean difference (SMD): half-marathon (SMD −1.36; IC 95%: −1.82, −0.89, Ch2:0.58; tau2:0.00; p < 0.0001), marathon (SMD −6.81; IC 95%: −9.26, −4.37; Ch2:481.37 tau2:11.88; p < 0.0001) and ultra-marathon (SMD −8.00 IC 95%: −10.47, −5.53; Ch2:328.40; tau2:14.19; p < 0.0001). In contrast meta-regression analysis did not show relationship to the running distance (p = 0.864). The meta-analysis evidenced increase in the concentration of IL-1ra (p < 0.0001), IL-1B (p < 0.0001), IL-8 (p < 0.0001), IL-10 (p < 0.0001) and TNF-α (p < 0.0001). Reduction in IL-2 (p < 0.0001) and INF-y (p < 0.03) and no change in the IL-4 (p < 0.56). The number of studies evaluating the effect of adipokines was limited, however Leptin and Resistin were recurrent. The effects of an acute bout of prolonged aerobic exercise will protect against chronic systemic inflammation. The time to return to baseline values showed a substantial and dose-dependent relationship with run volume. The concentration of IL-6 was robustly studied and the marathon running was the most explored. Network of endocrine interactions in which circulating factors, released in extreme exercises, interplay through inter-organ crosstalk and physiologic changes were expressed. The running volume variability was able to modulate compounds that play a fundamental role in the maintenance of homeostasis and cell signaling.
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Affiliation(s)
- Micael Deivison de Jesus Alves
- Department of Physical Education, Federal University of Sergipe (UFS), São Cristóvão, Brazil
- Graduate Program in Physical Education, Postgraduate Program in Physical Education, Federal University of Sergipe (UFS), São Cristóvão, Brazil
- Group of Studies and Research of Performance, Sport, Health and Paralympic Sports—GEPEPS, Federal University of Sergipe (UFS), São Cristovão, Brazil
| | - Devisson dos Santos Silva
- Department of Physical Education, Federal University of Sergipe (UFS), São Cristóvão, Brazil
- Graduate Program in Physical Education, Postgraduate Program in Physical Education, Federal University of Sergipe (UFS), São Cristóvão, Brazil
- Group of Studies and Research of Performance, Sport, Health and Paralympic Sports—GEPEPS, Federal University of Sergipe (UFS), São Cristovão, Brazil
| | - Erika Vitoria Moura Pereira
- Department of Physical Education, Federal University of Sergipe (UFS), São Cristóvão, Brazil
- Group of Studies and Research of Performance, Sport, Health and Paralympic Sports—GEPEPS, Federal University of Sergipe (UFS), São Cristovão, Brazil
| | - Danielle Dutra Pereira
- Department of Physiology and Pharmacology, Biological Sciences Course, Federal University of Piauí, Teresina, Brazil
| | - Matheus Santos de Sousa Fernandes
- Graduate Program, Postgraduate Program in Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco (UFPE), Recife, Brazil
| | | | | | - Lucio Marques Vieira-Souza
- Graduate Program in Physical Education, Postgraduate Program in Physical Education, Federal University of Sergipe (UFS), São Cristóvão, Brazil
- Physical Education Course, State University of Minas Gerais-UEMG, Passos, Brazil
| | - Felipe J. Aidar
- Department of Physical Education, Federal University of Sergipe (UFS), São Cristóvão, Brazil
- Graduate Program in Physical Education, Postgraduate Program in Physical Education, Federal University of Sergipe (UFS), São Cristóvão, Brazil
- Group of Studies and Research of Performance, Sport, Health and Paralympic Sports—GEPEPS, Federal University of Sergipe (UFS), São Cristovão, Brazil
| | - Raphael Fabricio de Souza
- Department of Physical Education, Federal University of Sergipe (UFS), São Cristóvão, Brazil
- Graduate Program in Physical Education, Postgraduate Program in Physical Education, Federal University of Sergipe (UFS), São Cristóvão, Brazil
- Group of Studies and Research of Performance, Sport, Health and Paralympic Sports—GEPEPS, Federal University of Sergipe (UFS), São Cristovão, Brazil
- *Correspondence: Raphael Fabricio de Souza
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Effects of Exercise Training on the Autonomic Nervous System with a Focus on Anti-Inflammatory and Antioxidants Effects. Antioxidants (Basel) 2022; 11:antiox11020350. [PMID: 35204231 PMCID: PMC8868289 DOI: 10.3390/antiox11020350] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 02/01/2023] Open
Abstract
Studies show that the autonomic nervous system (ANS) has an important impact on health in general. In response to environmental demands, homeostatic processes are often compromised, therefore determining an increase in the sympathetic nervous system (SNS)’s functions and a decrease in the parasympathetic nervous system (PNS)’s functions. In modern societies, chronic stress associated with an unhealthy lifestyle contributes to ANS dysfunction. In this review, we provide a brief introduction to the ANS network, its connections to the HPA axis and its stress responses and give an overview of the critical implications of ANS in health and disease—focused specifically on the immune system, cardiovascular, oxidative stress and metabolic dysregulation. The hypothalamic–pituitary–adrenal axis (HPA), the SNS and more recently the PNS have been identified as regulating the immune system. The HPA axis and PNS have anti-inflammatory effects and the SNS has been shown to have both pro- and anti-inflammatory effects. The positive impact of physical exercise (PE) is well known and has been studied by many researchers, but its negative impact has been less studied. Depending on the type, duration and individual characteristics of the person doing the exercise (age, gender, disease status, etc.), PE can be considered a physiological stressor. The negative impact of PE seems to be connected with the oxidative stress induced by effort.
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Sabaratnam R, Wojtaszewski JFP, Højlund K. Factors mediating exercise-induced organ crosstalk. Acta Physiol (Oxf) 2022; 234:e13766. [PMID: 34981891 DOI: 10.1111/apha.13766] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 10/11/2021] [Accepted: 01/01/2022] [Indexed: 12/21/2022]
Abstract
Exercise activates a plethora of metabolic and signalling pathways in skeletal muscle and other organs causing numerous systemic beneficial metabolic effects. Thus, regular exercise may ameliorate and prevent the development of several chronic metabolic diseases. Skeletal muscle is recognized as an important endocrine organ regulating systemic adaptations to exercise. Skeletal muscle may mediate crosstalk with other organs through the release of exercise-induced cytokines, peptides and proteins, termed myokines, into the circulation. Importantly, other tissues such as the liver and adipose tissue may also release cytokines and peptides in response to exercise. Hence, exercise-released molecules are collectively called exerkines. Moreover, extracellular vesicles (EVs), in the form of exosomes or microvesicles, may carry some of the signals involved in tissue crosstalk. This review focuses on the role of factors potentially mediating crosstalk between muscle and other tissues in response to exercise.
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Affiliation(s)
- Rugivan Sabaratnam
- Steno Diabetes Center Odense Odense University Hospital Odense C Denmark
- Section of Molecular Diabetes & Metabolism, Department of Clinical Research & Department of Molecular Medicine University of Southern Denmark Odense C Denmark
| | - Jørgen F. P. Wojtaszewski
- Section of Molecular Physiology Department of Nutrition, Exercise and Sports University of Copenhagen Copenhagen Denmark
| | - Kurt Højlund
- Steno Diabetes Center Odense Odense University Hospital Odense C Denmark
- Section of Molecular Diabetes & Metabolism, Department of Clinical Research & Department of Molecular Medicine University of Southern Denmark Odense C Denmark
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39
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Inflammatory response to a bout of high-intensity exercise in females with fibromyalgia. SPORT SCIENCES FOR HEALTH 2022. [DOI: 10.1007/s11332-021-00890-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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40
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Zar A, Ahmadi E, Amani D, Ramsbottom R. Acute effect of two exercise intensity programs on interleukin-6, interleukin-1 beta and tumour necrosis factor-α in female futsalists. COMPARATIVE EXERCISE PHYSIOLOGY 2022. [DOI: 10.3920/cep210007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Duration, intensity, and type of exercise can affect serum cytokine levels and change inflammatory indices. The present study aimed to examine the acute effect of two different exercise intensity programs on levels of circulating interleukin (IL)-6, IL-1β and tumour necrosis factor-α (TNF-α) in athletes. Eleven female futsal players aged 20.6±1.2 years completed this cross-over study. Participants performed, either a MI (moderate intensity: 60-65%) or a HI (high intensity: 75-80% heart rate reserve) exercise program. The study was performed on different days separated by a 1-week washout period. Each session consisted of 30 min running, either MI or HI. Blood samples were taken before (Pre) and immediately after (Post) each exercise session from an antecubital vein by venous puncture in a seated position. A Student’s t-test (P<0.05) was used to examine any difference between Pre and Post values. The results showed that IL-6 (P=0.22), IL-1β (P=0.90) and TNF-α (P=0.63) serum concentrations were not significantly different after moderate-intensity exercise. Similarly, high-intensity exercise did not significantly change serum concentrations of TNF-α (P=0.63), and IL-1β (P=0.18). However, HI caused a significant increase in IL-6 (P=0.04). A significant correlation was observed only between IL-1β and IL-6 (r=-0.761, P=0.01) after MI exercise. Based on the findings of the present study, the intensity of exercise can affect some cytokines, such as IL-6 in female futsal players.
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Affiliation(s)
- A. Zar
- Department of Sport Science, School of Literature and Humanities, Persian Gulf University, Boushehr 7516913817, Iran
| | - E. Ahmadi
- Department of Immunology, Medical School, International Branch, Shahid Beheshti University of Medical Sciences, Velenjak St., Shahid Chamran Highway, Tehran, Iran
| | - D. Amani
- Department of Immunology, Medical School, International Branch, Shahid Beheshti University of Medical Sciences, Velenjak St., Shahid Chamran Highway, Tehran, Iran
| | - R. Ramsbottom
- Department of Sport, Health Sciences and Social Work, Oxford Brookes University, Headington Campus, Oxford OX3 0BP, United Kingdom
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Yang M, Luo S, Yang J, Chen W, He L, Liu D, Zhao L, Wang X. Myokines: Novel therapeutic targets for diabetic nephropathy. Front Endocrinol (Lausanne) 2022; 13:1014581. [PMID: 36387916 PMCID: PMC9640471 DOI: 10.3389/fendo.2022.1014581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 10/11/2022] [Indexed: 12/02/2022] Open
Abstract
With the increasing incidence of diabetic nephropathy (DN), there is an urgent need to find effective DN preventive and therapeutic modalities. It is widely believed that effective exercise is good for health. However, the beneficial role of exercise in kidney disease, especially in DN, and the underlying molecular mechanisms have rarely been reported. Muscle is not only an important motor organ but also an important endocrine organ, secreting a group of proteins called "myokines" into the blood circulation. Circulating myokines then move to various target organs to play different biological roles. In this review, we summarize the currently known myokines and the progress in research relating them to DN and discuss its potential as a therapeutic target for DN.
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Affiliation(s)
- Ming Yang
- Department of Nutrition, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Shilu Luo
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Jinfei Yang
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Wei Chen
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Liyu He
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Di Liu
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Li Zhao
- Department of Reproduction and Genetics, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Xi Wang
- Department of Nutrition, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Xi Wang,
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Wang YY, Wang YD, Qi XY, Liao ZZ, Mai YN, Xiao XH. Organokines and Exosomes: Integrators of Adipose Tissue Macrophage Polarization and Recruitment in Obesity. Front Endocrinol (Lausanne) 2022; 13:839849. [PMID: 35273574 PMCID: PMC8902818 DOI: 10.3389/fendo.2022.839849] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 01/24/2022] [Indexed: 12/21/2022] Open
Abstract
The prevalence of obesity is escalating and has become a worldwide health challenge coinciding with the development of metabolic diseases. Emerging evidence has shown that obesity is accompanied by the infiltration of macrophages into adipose tissue, contributing to a state of low-grade chronic inflammation and dysregulated metabolism. Moreover, in the state of obesity, the phenotype of adipose tissue macrophages switches from the M2 polarized state to the M1 state, thereby contributing to chronic inflammation. Notably, multiple metabolic organs (adipose tissue, gut, skeletal muscle, and the liver) communicate with adipose tissue macrophages via secreting organokines or exosomes. In this review, we systematically summarize how the organokines (adipokines, gut microbiota and its metabolites, gut cytokines, myokines, and hepatokines) and exosomes (adipocyte-, skeletal muscle-, and hepatocyte-derived exosomes) act as important triggers for macrophage recruitment in adipose tissue and adipose tissue macrophage polarization, thus providing further insight into obesity treatment. In addition, we also highlight the complex interaction of organokines with organokines and organokines with exosomes, revealing new paths in understanding adipose tissue macrophage recruitment and polarization.
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Xuan MF, Luo ZB, Han SZ, Li ZY, Gao K, Liu XY, Chang SY, Jin ZY, Choe HM, Paek HJ, Quan BH, Yin XJ, Kang JD. Skeletal muscle-secreted myokine interleukin-6 induces white adipose tissue conversion into beige adipose tissue in myostatin gene knockout pigs. Domest Anim Endocrinol 2022; 78:106679. [PMID: 34715416 DOI: 10.1016/j.domaniend.2021.106679] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 08/31/2021] [Accepted: 09/01/2021] [Indexed: 11/03/2022]
Abstract
Myostatin (MSTN) is primarily expressed in skeletal muscle and plays an important role in the regulation of muscle growth and development as well as fat deposition; however, little is known about the molecular mechanism through which MSTN regulates body fat deposition. Therefore, in this study, we sought to identify the signaling pathways through which MSTN regulates fat accumulation in pigs. MSTN knockout (MSTN-/-) pigs showed increased muscle mass, decreased fat mass, and a leaner body composition. In this study, we found that the adipose tissue of MSTN-/- pigs exhibits the characteristics of beige adipose tissue, and the mRNA expression levels of beige adipose marker genes, including UCP3, Cidea, and CD137, were significantly increased. Remarkably, the observed beige phenotype was not adipocyte autonomous but rather caused by muscle-secreted myokine interleukin (IL)-6. This occurrence results in increased AMP-activated protein kinase (AMPK) phosphorylation in adipose tissue, which subsequently activates peroxisome proliferator-activated receptor gamma coactivator 1α and the conversion of white adipocytes to beige in pigs. Therefore, we concluded that MSTN deficiency leads to increased IL-6 secretion in skeletal muscle and activates AMPK in adipocytes, thereby increasing the beige adipose tissue in MSTN-/- pigs.
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Affiliation(s)
- M-F Xuan
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China
| | - Z-B Luo
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China
| | - S-Z Han
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China
| | - Z-Y Li
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China
| | - K Gao
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China
| | - X-Y Liu
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China
| | - S-Y Chang
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China
| | - Z-Y Jin
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China
| | - H-M Choe
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China
| | - H-J Paek
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China
| | - B-H Quan
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China; Jilin Provincial Key Laboratory of Transgenic Animal and Embryo Engineering, Yanbian University, Yanji, Jilin, 133002, China
| | - X-J Yin
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China; Jilin Provincial Key Laboratory of Transgenic Animal and Embryo Engineering, Yanbian University, Yanji, Jilin, 133002, China.
| | - J-D Kang
- Department of Animal Science, Agricultural College, Yanbian University, Yanji, Jilin, 133002, China; Jilin Provincial Key Laboratory of Transgenic Animal and Embryo Engineering, Yanbian University, Yanji, Jilin, 133002, China.
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Minafra AR, Chadt A, Rafii P, Al-Hasani H, Behnke K, Scheller J. Interleukin 6 receptor is not directly involved in regulation of body weight in diet-induced obesity with and without physical exercise. Front Endocrinol (Lausanne) 2022; 13:1028808. [PMID: 36387898 PMCID: PMC9647089 DOI: 10.3389/fendo.2022.1028808] [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: 08/26/2022] [Accepted: 10/04/2022] [Indexed: 12/01/2022] Open
Abstract
High level of interleukin 6 (IL-6), released by adipocytes in an obesity-induced, low grade inflammation state, is a regulator of insulin resistance and glucose tolerance. IL-6 has also regenerative, anti-inflammatory and anti-diabetogenic functions, when secreted as myokine by skeletal muscles during physical exercise. IL-6 mainly activates cells via two different receptor constellations: classic and trans-signalling, in which IL-6 initially binds to membrane-bound receptor (IL-6R) or soluble IL-6 receptor (sIL-6R) before activating signal transducing gp130 receptor. Previously, we generated transgenic soluble IL-6 receptor +/+ (sIL-6R+/+) mice with a strategy that mimics ADAM10/17 hyperactivation, reflecting a situation in which only IL-6 trans-signalling is active, whereas classic signalling is completely abrogated. In this study, we metabolically phenotyped IL-6R deficient mice (IL-6R-KO), sIL-6R+/+ mice and wild-type littermates fed either a standard chow (SD) or a high-fat diet (HFD) in combination with a 6-weeks treadmill exercise protocol. All mice were subjected to analyses of body weight and body composition, determination of blood glucose and insulin level under fasting conditions, as well as determination of substrate preference by indirect calorimetry. Neither classic IL-6 nor trans-signalling do influence the outcome of diet-induced obesity, insulin sensitivity and glycaemic control. Furthermore, IL-6R deficiency is not impairing the beneficial effect of physical exercise. We conclude that the IL-6R does not play a requisite role in regulation of body weight and glucose metabolism in diet-induced obese mice.
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Affiliation(s)
- Anna Rita Minafra
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Alexandra Chadt
- Institute for Clinical Biochemistry and Pathobiochemistry, German Diabetes Center, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
- German Center for Diabetes Research Deutsches Zentrum für Diabetesforschung e.V. (DZD), Partner Düsseldorf, München, Neuherberg, Germany
| | - Puyan Rafii
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Hadi Al-Hasani
- Institute for Clinical Biochemistry and Pathobiochemistry, German Diabetes Center, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
- German Center for Diabetes Research Deutsches Zentrum für Diabetesforschung e.V. (DZD), Partner Düsseldorf, München, Neuherberg, Germany
| | - Kristina Behnke
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Jürgen Scheller
- Institute of Biochemistry and Molecular Biology II, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
- *Correspondence: Jürgen Scheller,
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Hagedorn JM, Gunn J, Budwany R, D’Souza RS, Chakravarthy K, Deer TR. How Well Do Current Laboratory Biomarkers Inform Clinical Decision-Making in Chronic Pain Management? J Pain Res 2021; 14:3695-3710. [PMID: 34887680 PMCID: PMC8651047 DOI: 10.2147/jpr.s311974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 11/23/2021] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE Decision-making in chronic pain patients involves a combination of subjective and objective criteria, including patient history, physical examination, imaging, and patient response to prior treatments, clinical experience, probabilities, and recognition of patterns. However, there is a distinct lack of objective laboratory biomarkers in use in routine clinical care. The objective was to review the literature to identify and describe specific biomarkers in chronic pain management. METHODS This is a narrative review of the literature regarding the use of laboratory biomarkers in chronic pain. A librarian-assisted literature search of the PubMed, Science Direct, and Google Scholar databases was performed and resulted in 304 possible manuscripts. We included manuscripts assessing laboratory collected biomarkers from urine, serum, cerebrospinal fluid, and saliva. After screening and review of the initial literature search results, a total of 75 manuscripts were included in the narrative review. CONCLUSION The studies reviewed suggested that specific biomarkers may help identify those patients at risk of disease development and function as a prognostic indicator for disease progression and treatment response. However, additional research is necessary before specific recommendations can be made, and current clinical decision-making is modified.
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Affiliation(s)
- Jonathan M Hagedorn
- Department of Anesthesiology and Perioperative Medicine, Division of Pain Medicine, Mayo Clinic, Rochester, MN, USA
| | - Joshua Gunn
- Ethos Research & Development, Newport, KY, USA
| | | | - Ryan S D’Souza
- Department of Anesthesiology and Perioperative Medicine, Division of Pain Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Timothy R Deer
- The Spine & Nerve Centers of the Virginias, Charleston, WV, USA
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Światowy WJ, Drzewiecka H, Kliber M, Sąsiadek M, Karpiński P, Pławski A, Jagodziński PP. Physical Activity and DNA Methylation in Humans. Int J Mol Sci 2021; 22:ijms222312989. [PMID: 34884790 PMCID: PMC8657566 DOI: 10.3390/ijms222312989] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/27/2021] [Accepted: 11/29/2021] [Indexed: 12/15/2022] Open
Abstract
Physical activity is a strong stimulus influencing the overall physiology of the human body. Exercises lead to biochemical changes in various tissues and exert an impact on gene expression. Exercise-induced changes in gene expression may be mediated by epigenetic modifications, which rearrange the chromatin structure and therefore modulate its accessibility for transcription factors. One of such epigenetic mark is DNA methylation that involves an attachment of a methyl group to the fifth carbon of cytosine residue present in CG dinucleotides (CpG). DNA methylation is catalyzed by a family of DNA methyltransferases. This reversible DNA modification results in the recruitment of proteins containing methyl binding domain and further transcriptional co-repressors leading to the silencing of gene expression. The accumulation of CpG dinucleotides, referred as CpG islands, occurs at the promoter regions in a great majority of human genes. Therefore, changes in DNA methylation profile affect the transcription of multiple genes. A growing body of evidence indicates that exercise training modulates DNA methylation in muscles and adipose tissue. Some of these epigenetic markers were associated with a reduced risk of chronic diseases. This review summarizes the current knowledge about the influence of physical activity on the DNA methylation status in humans.
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Affiliation(s)
- Witold Józef Światowy
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (H.D.); (M.K.); (P.P.J.)
- Correspondence: ; Tel.: +48-618-546-513
| | - Hanna Drzewiecka
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (H.D.); (M.K.); (P.P.J.)
| | - Michalina Kliber
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (H.D.); (M.K.); (P.P.J.)
| | - Maria Sąsiadek
- Department of Genetics, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.S.); (P.K.)
| | - Paweł Karpiński
- Department of Genetics, Wroclaw Medical University, 50-368 Wroclaw, Poland; (M.S.); (P.K.)
| | - Andrzej Pławski
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznan, Poland;
| | - Paweł Piotr Jagodziński
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (H.D.); (M.K.); (P.P.J.)
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Szymczak Ł, Podgórski T, Domaszewska K. Comparison of the Levels of Hematological Parameters at Rest and after Maximum Exercise between Physically Active People with Spinal Cord Injury and Able-Bodied People. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182312323. [PMID: 34886049 PMCID: PMC8656939 DOI: 10.3390/ijerph182312323] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/19/2021] [Accepted: 11/23/2021] [Indexed: 12/11/2022]
Abstract
The aim of the study was to reveal the difference in the hematological reaction to the applied exercise-induced workload between the able-bodied and physically active people with cervical spinal cord injury. The study covered 11 males with spinal cord injury and 11 able-bodied persons. An incremental stress test was carried out until the maximum individual workloads were achieved. The peak oxygen uptake was measured with the use of the ergospirometric method. Venous blood test results at rest and after finishing the maximal exercise showed hemoglobin (Hb) concentration, hematocrit (HCT) value, erythrocytes (RBC), leukocytes (WBC) and platelets (PLT) counts as well as the relative percentage of granulocytes (GRA), lymphocytes (LYM), and monocytes (MON). RBC, HCT as well as Hb and PLT among people with the injury were statistically lower (p < 0.001) large effect size, than in the control group. Statistically significant difference between the test and control group, subjected to the maximal exercise stress test, was observed in the exercise induced change of the PLT [p < 0.001, (ES: 2.631)] WBC [p < 0.05, (ES: 1.429)] and the percentage of LYM and GRA [p < 0.05, (ES: 1.447) for LYM and (ES: 1.332) for GRA] between both groups, subjected to the maximal cardiac stress test on the manual cycloergometer. The analysis of the obtained results indicates that people with spinal cord injury are much more vulnerable to the occurrence of microcytic anemia compared to able-bodied people. The after-exercise percentage shift of selected subpopulations of leukocytes in both groups indicates a delayed post-exercise recovery among people with spinal cord injury.
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Affiliation(s)
- Łukasz Szymczak
- Faculty of Health Sciences, Calisia University, 62-800 Kalisz, Poland;
| | - Tomasz Podgórski
- Department of Physiology and Biochemistry, Poznan University of Physical Education, 61-871 Poznan, Poland;
| | - Katarzyna Domaszewska
- Faculty of Health Sciences, Calisia University, 62-800 Kalisz, Poland;
- Department of Physiology and Biochemistry, Poznan University of Physical Education, 61-871 Poznan, Poland;
- Correspondence: ; Tel.: +48-501-476-716
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Irawan R, Mahmudiono T, Martiana T. Interleukin-6 as Immune System and Inflammation Biomarker on the Response of Basic Pencak Silat Exercise in Perguruan Pencak Silat Perisai Diri, Bojonegoro. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.7303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: Pencak Silat is a self-defense exercise originated from Indonesia and categorized as a high-intensity exercise.
AIM: This research was intended to identify the acute response of Pencak Silat basic exercise toward interleukin-6 (IL-6) as an immune system biomarker on students of Perguruan Pencak Silat Perisai Diri Tulungrejo, Bojonegoro.
METHODS: A number of 26 students (10 boys and 16 girls) of Perguruan Pencak Silat Tulungrejo, Bojonegoro, were participated in this study. The students did the 2 h Perguruan Pencak Silat Perisai Diri, Bojonegoro, training program with 75–85% intensity. The IL-6 serum was measured using ELISA method.
RESULTS: The result of this study showed that the IL-6 serum level in post-2 (12 h after training) (6.2981 pg/mL) was higher compared with the IL-6 serum level in post-1 (shortly after training) (6.11981 pg/mL) and before training (4.5146 pg/mL). The result also showed that there was a significant difference of IL-6 levels between pre-training and after training.
CONCLUSION: This study concluded that the basic exercise performed by the new students of Perguruan Pencak Silat Perisai Diri increased IL-6 serum level.
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Savard C, Lemieux S, Plante AS, Gagnon M, Leblanc N, Veilleux A, Tchernof A, Morisset AS. Longitudinal changes in circulating concentrations of inflammatory markers throughout pregnancy: are there associations with diet and weight status? Appl Physiol Nutr Metab 2021; 47:287-295. [PMID: 34767478 DOI: 10.1139/apnm-2021-0395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The natural inflammation occurring during pregnancy can, under certain conditions, be associated with adverse pregnancy outcomes. This study aimed to: 1) quantify changes in circulating concentrations of leptin, adiponectin, interleukin-6 (IL-6) and C-reactive protein (CRP) across trimesters of pregnancy, according to pre-pregnancy body mass index (ppBMI); and 2) examine the trimester-specific associations between the inflammatory markers' concentrations, a Mediterranean diet score (MDS) and the dietary inflammatory index (DII). We measured leptin, adiponectin and IL-6 by ELISA, and CRP by high-sensitivity immunonephelometry, in blood samples from 79 pregnant women (age: 32.1 ± 3.7 years; ppBMI: 25.7 ± 5.8 kg/m2). Three web-based 24h recalls were completed at each trimester and used to compute the MDS and the DII. CRP concentrations remained stable across trimesters, whereas concentrations of leptin and IL-6 increased, and adiponectin concentrations decreased (p<0.001). Changes in leptin and adiponectin concentrations also differed according to ppBMI categories (p<0.05). As for the dietary scores, the only significant association was observed in the second trimester between leptin concentrations and the MDS (r=-0.26, p<0.05). In conclusion, ppBMI and the progression of pregnancy itself probably supplant the potential associations between diet and the inflammation occurring during that period. Novelty: • Circulating leptin and IL-6 concentrations increased across trimesters whereas CRP was stable, and adiponectin decreased. • Variations in circulating leptin and adiponectin concentrations differed by ppBMI categories. • Very few associations were observed between dietary scores and inflammatory markers.
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Affiliation(s)
- Claudia Savard
- Laval University, 4440, School of Nutrition, Quebec, Quebec, Canada;
| | - Simone Lemieux
- Laval University, School of Nutrition, INAF, Pavillon des services, 2440 Boulevard Hochelaga, Quebec, Quebec, Canada, G1V 0A6;
| | | | - Marianne Gagnon
- Laval University, 4440, School of Nutrition, Quebec, Quebec, Canada.,CHU de Québec-Université Laval, 36896, Endocrinology and Nephrology Unit, Quebec, Quebec, Canada.,Laval University, 4440, Institute of Nutrition and Functional Foods, Quebec, Quebec, Canada;
| | - Nadine Leblanc
- Laval University, Department of Food Science and Nutrition, Quebec, Quebec, Canada;
| | - Alain Veilleux
- Laval University, 4440, School of Nutrition, Quebec, Quebec, Canada;
| | - André Tchernof
- Laval University, Laval University Medical Center, Quebec, Quebec, Canada.,Laval University, Institute of Nutrition and Functional Foods (INAF), Quebec, Quebec, Canada;
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50
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Aldosari Z, Abbasian N, Robinson K, Bevington A, Watson E. Low pH up‐regulates interleukin‐6 mRNA in L6‐G8C5 rat skeletal muscle cells independent of pH sensing by SNAT2(SLC38A2) transporters. FASEB Bioadv 2021; 4:138-152. [PMID: 35141477 PMCID: PMC8814557 DOI: 10.1096/fba.2021-00088] [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: 07/17/2021] [Revised: 10/14/2021] [Accepted: 10/22/2021] [Indexed: 11/14/2022] Open
Abstract
Exercise is known to create a transient, but potent increase in skeletal muscle expression of potentially anti‐inflammatory myokine interleukin‐6 (IL‐6). This effect may be clinically important in managing chronic inflammatory states. It has previously been proposed that lactic acidosis following exercise promotes this IL‐6 up‐regulation, but the mechanism of this acidosis effect is unknown. Rat skeletal muscle cell line L6‐G8C5 has been used previously to model metabolic effects of acidosis, sensing low pH through the resulting inhibition of amino acid transporter SNAT2(SLC38A2). Use of ionophore ionomycin to model the rise in intracellular Ca2+ concentration occurring in contracting muscle strongly up‐regulates IL‐6 mRNA in L6‐G8C5 myotubes. This study used this model to test the hypothesis that low extracellular pH (7.1) enhances ionomycin‐induced IL‐6 mRNA up‐regulation by inhibiting SNAT2. Incubation of L6‐G8C5 myotubes for 6 h with 0.5 µM ionomycin at control pH (7.4) resulted in a 15‐fold increase in IL‐6 mRNA which was further enhanced (1.74‐fold) at pH 7.1. In contrast low pH had no significant effect on IL‐6 mRNA without ionomycin, nor on the IL‐6 mRNA increase that was induced by cyclic stretch. Even though pH 7.1 halved the transport activity of SNAT2, alternative methods of SNAT2 inhibition (JNK inhibitor SP600125; SNAT2 antagonist MeAIB; or SNAT2 silencing with siRNA) did not mimic the enhancing effect of low pH on IL‐6 mRNA. On the contrary, JNK inhibition blunted the effect of pH 7.1 with ionomycin, but had no effect at pH 7.4. It is concluded that low pH promotes Ca2+/ionomycin–induced up‐regulation of IL‐6 mRNA through a novel SNAT2‐independent JNK‐dependent pH‐sensing pathway not previously described in this skeletal muscle model.
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Affiliation(s)
- Ziyad Aldosari
- Department of Respiratory Sciences University of Leicester Leicester UK
- Department of Medical Laboratories Sciences College of Applied Medical Sciences in Alquwayiyah Shaqra University Riyadh Saudi Arabia
| | - Nima Abbasian
- School of Life and Medical Sciences University of Hertfordshire Hatfield UK
| | - Katherine Robinson
- Department of Cardiovascular Sciences University of Leicester Leicester UK
| | - Alan Bevington
- Department of Respiratory Sciences University of Leicester Leicester UK
| | - Emma Watson
- Department of Cardiovascular Sciences University of Leicester Leicester UK
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