(1) Background: Mitochondrial dysfunction and redox imbalance seem to be involved in fibromyalgia (FM) pathogenesis. The results of our previous studies suggest that whole-body vibration training (WBVT) would improve redox status markers, increase blood irisin levels, and ameliorate the body composition of women with FM. (2) Objective: The current study aimed to investigate WBVT on oxidative stress markers, plasma irisin levels, and body composition in women with FM. (3) Methods: Forty women with FM were randomized into WBVT or untrained (UN) groups. Before and after 6 weeks of WBVT, body composition was assessed by dual-energy radiological absorptiometry (DXA), and inflammatory marker activities were measured by enzymatic assay. (4) Results: Body composition, blood irisin levels, and oxidative stress markers were similar between UN and WBVT groups before the intervention. After 6 weeks of intervention, the WBVT group presented higher irisin levels (WBVT: 316.98 ± 109.24 mg·dL³, WBVT: 477.61 ± 267.92 mg·dL³, = 0.01) and lower TBARS levels (UN: 0.39 ± 0.02 nmol MDA/mg protein, WBVT: 0.24 ± 0.06 nmol MDA/mg protein, = 0.001) and visceral adipose tissue mass (UN: 1.37 ± 0.49 kg, WBVT: 0.69 ± 0.54 kg, = 0.001) compared to the UN group. (5) Conclusions: Six weeks of WBVT improves blood redox status markers, increases irisin levels, and reduces visceral adipose tissue mass, favoring less cell damage and more outstanding oxidative balance in women with FM.
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http://dx.doi.org/10.3390/bioengineering10020260 | DOI Listing |
Curr Issues Mol Biol
November 2024
Department of Biochemistry, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania.
Obesity causes fat accumulation, and sarcopenia causes loss of muscle mass and strength; together, they worsen insulin resistance and accelerate muscle decline, creating a harmful cycle. Some supplements, along with physical exercise, could be remedies for sarcopenic obesity (SO). In this review, we aim to draw a comparison between supplements studied in experimental research and those evaluated in clinical studies for SO.
View Article and Find Full Text PDFEndocrine
December 2024
Diabetes & Metabolism Clinic, 2nd Department of Pediatrics, "P. & A. Kyriakou" Children's Hospital, Athens, Greece.
Aim: Irisin, a newly discovered adipomyokine, has pleiotropic effects in metabolic and energy homeostasis, insulin resistance (IR), and browning of white adipose tissue. The aim of this study was to evaluate irisin levels in children with obesity and also to elucidate possible relationships between irisin with anthropometric obesity indices, parameters of metabolic syndrome (MetS), and intima media thickness (IMT).
Methods: A total of 77 prepubertal children, 4-12 years old, were enrolled in this study, including 44 children with obesity (BMI ≥ 95th percentile) and 33 normal weight controls of matched age and gender.
Spinal Cord
December 2024
Andrology Unit, Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy.
Study Design: Retrospective study.
Objectives: To check the hypothesis that irisin could mediate systemic metabolic effects of testosterone in men with chronic spinal cord injury (SCI).
Setting: Spinal Unit of the San Raffaele Institute in Sulmona.
Eur Geriatr Med
December 2024
Department of Hygiene and Public Health, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-Ku, Tokyo, 113-8602, Japan.
Brain Behav Immun
December 2024
Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; Key Laboratory for Neuroscience, Ministry of Education and National Health Commission, Peking University, Beijing, 100191, China; Medical Innovation Center (Taizhou) of Peking University, Taizhou 225316, China. Electronic address:
Postoperative cognitive dysfunction (POCD) is common in the aged population and associated with poor clinical outcomes. Irisin, an endogenous molecule that mediates the beneficial effects of exercise, has shown neuroprotective potential in several models of neurological diseases. Here we show that preoperative serum level of irisin is reduced in dementia patients over the age of 70.
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