muscles
The sarcopenia-pain connection: why mechanisms matter for patient care?
Sarcopenia and pain are two highly prevalent conditions in aging populations, each exerting profound effects on mobility, independence, and quality of life. Emerging evidence demonstrates that these conditions are not merely coincidental but are closely interconnected through shared biological, mechanical,...
The Interplay Between Osteosarcopenia and Intrinsic Capacity: Insights and Associations With All-Cause Mortality in the Toledo Study for Healthy Aging.
BACKGROUND
Osteosarcopenia-the coexistence of osteopenia/osteoporosis and sarcopenia-is associated with numerous adverse health outcomes, but its association with intrinsic capacity (IC) remains unknown. We aimed to explore the associations of osteosarcopenia with IC and all-cause mortality in older adults.
METHODS
We conducted a cross-sectional...
Effects of Nandrolone Decanoate on Muscle Strength, Body Composition and Bone Density: A Systematic Review and Meta-Analysis.
BACKGROUND
Despite ongoing interest in anabolic therapies for sarcopenia and cachexia, pharmacological interventions are being developed to counteract age- and condition-related losses of muscle mass and strength. This systematic review and meta-analysis evaluated the effect of nandrolone decanoate on lean soft...
Targeting muscle, mitochondria, and microbiome: nutritional and exercise strategies across wasting diseases and conditions.
AI-assessed sarcopenia as an independent predictor of neoadjuvant chemotherapy outcomes in muscle-invasive bladder cancer.
PURPOSE
Sarcopenia has already been widely investigated as a potential indicator of negative outcomes in oncology patients. Our aim was to evaluate the potential predictive role of sarcopenia assessed using an Artificial Intelligence-powered software in response to neoadjuvant chemotherapy (NAC) in...
Blood and urine cell-free circulating DNA in older adults with sarcopenia: a hypothesis-generating study.
PURPOSE
This preliminary study evaluated effect sizes of differences in circulating cell-free DNA (cfDNA) levels in blood and urine between older adults with and without sarcopenia.
METHODS
This was a subanalysis of the 2021 Itabashi Longitudinal Study on Aging. Twenty-four participants were selected...
Deficient Cardiolipin Remodelling Alters Muscle Fibre Composition and Neuromuscular Connectivity in Barth Syndrome.
BACKGROUND
Barth syndrome (BTHS) is a rare X-linked mitochondrial disorder caused by mutations in the TAFAZZIN gene, which disrupts cardiolipin (CL) remodelling and mitochondrial function. While cardiac manifestations of BTHS are well characterized in male patients, the mechanisms underlying skeletal muscle...
Moderate Aerobic Training Causes Muscle Wasting in a DMBA-Induced Sarcoma Rat Model.
Cancer cachexia, characterized by severe body weight loss, negatively affects patient quality of life and survival. Although moderate exercise benefits healthy and chronically ill individuals, and the effect of exercise in cachexia generally appears beneficial, conflicting results have been reported...
Muscle Movement and Metabolism: Exercise and Skeletal Muscle as Mediators of Health. A Report from the 26th Annual Harvard Nutrition Obesity Symposium, 2025.
Skeletal muscle is a crucial facilitator of many of the effects of exercise on metabolic health. Intrinsic myocellular mechanisms, exercise-induced myokine secretion, and crosstalk between multiple organ systems contribute to the maintenance of energy homeostasis, cardiovascular health, strength, cognition, and...
Does Time Tick Faster in Cerebral Palsy? Accelerated Aging as a Framework for Skeletal Muscle Dysfunction.
Cerebral palsy (CP) is the most common cause of childhood-onset physical disability. It results from injury to the developing brain and is characterized by motor impairments, muscle weakness, and fatigue. CP is commonly associated with marked deficits in muscle mass...
Exploring the role of chemerin in skeletal muscle phenotype in those with kidney disease.
INTRODUCTION
People with chronic kidney disease (CKD) often experience poor muscle quality and elevations in skeletal muscle wasting and dysfunction, contributing to a reduced quality of life and an increased risk of morbidity and mortality. The adipokine chemerin is associated with...
A Novel Mouse Model to Identify Antigen-Specific Immune Responses in Pancreatic Cancer Cachexia.
BACKGROUND
Pancreatic Ductal Adenocarcinoma (PDAC) has a dismal five-year survival rate of 13% and is closely associated with cachexia. Cancer cachexia is a multifactorial syndrome characterized by irreversible wasting of skeletal muscles, fat loss and systemic inflammation. While cachexia is known...
Mitochondrial Permeability Transition in Skeletal Muscle Phenocopies Muscle Alterations seen in Cancer Cachexia and other Wasting Conditions.
BACKGROUND
Skeletal muscle in wasting conditions often exhibits a common set of phenotypes that include atrophy, mitochondrial respiratory dysfunction, and fragmentation of the acetylcholine receptor (AChR) cluster at the endplate. Mitochondria are frequently implicated in driving muscle pathology in these conditions,...
High Fat Diet and Obesity Each Increase Tumor Cell Proliferation and Muscle Wasting in Experimental Cancer Cachexia.
High fat diet (HFD) and associated obesity are suggested to predispose to cancer development, complicate cancer treatment, and accelerate mortality. Paradoxically, obese patients with lung cancer are reported to live longer, suggesting that high body mass is protective. Given that...
Muscle-immune metabolic crosstalk: shared pathways in cachexia and exercise.
Skeletal muscle and the immune system continuously exchange metabolites and signals that are essential for homeostasis. Disruption of this communication, such as during infection, inflammation, or cancer, triggers cachexia, a severe wasting syndrome characterized by altered amino acid flux, mitochondrial...
