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Sarcopenia AND Biomarkers AND/OR Biochemical markers

Sandra Murphy, Margit Zweyer, Rustam R Mundegar, Dieter Swandulla, Kay Ohlendieck
The clinical evaluation of neuromuscular symptoms often includes the assessment of altered blood proteins or changed enzyme activities. However, the blood concentration of many muscle-derived serum markers is not specific for different neuromuscular disorders and also shows alterations in the course of these diseases. Thus, the establishment of more reliable biomarker signatures for improved muscle diagnostics is required. Areas covered: To address the lack of muscle disease-specific marker molecules, mass spectrometry-based proteomics was applied to the systematic identification and biochemical characterization of new serum biomarker candidates...
March 2018: Expert Review of Proteomics
Anna Cozzoli, Roberta Francesca Capogrosso, Valeriana Teresa Sblendorio, Maria Maddalena Dinardo, Catherine Jagerschmidt, Florence Namour, Giulia Maria Camerino, Annamaria De Luca
Anabolic drugs may counteract muscle wasting and dysfunction in Duchenne muscular dystrophy (DMD); however, steroids have unwanted side effects. We focused on GLPG0492, a new non-steroidal selective androgen receptor modulator that is currently under development for musculo-skeletal diseases such as sarcopenia and cachexia. GLPG0492 was tested in the exercised mdx mouse model of DMD in a 4-week trial at a single high dose (30 mg/kg, 6 day/week s.c.), and the results were compared with those from the administration of α-methylprednisolone (PDN; 1 mg/kg, i...
June 2013: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
Alfred L Fisher
The loss of muscle mass during aging has been termed sarcopenia. Sarcopenia results in a decrease in physical strength during aging that results in important consequences for more severely affected individuals in terms of function and as a marker for disability and increased mortality. Despite the clinical importance of this condition, the pathophysiology leading to the development of sarcopenia is not well understood, and few treatments exist to prevent or reverse the condition. Recently, sarcopenia has been found to occur during aging in the nematode Caenorhabditis elegans, which is an organism increasingly used to study genetic and biochemical events involved in aging...
July 2004: Journal of the American Geriatrics Society
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