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تعداد نتایج: 254 فیلتر نتایج به سال:
BACKGROUND Current research into the mechanisms of organ atrophy associated with cancer cachexia have centred on the loss of skeletal muscle, as it is one of the most profound physical changes of the disease. However, many patients with cancer cachexia also experience significant atrophy of the heart. The mechanisms causing cardiac tissue wastage in cancer cachexia are largely unknown. However,...
Proteins in cardiac and skeletal muscle cells, as in other cells, are continually being synthesized and degraded back to their constituent amino acids. Protein turnover in cardiac myocytes utilizes the same proteolytic systems as other eukaryotic cells: the ubiquitin-proteasome pathway, which catalyzes the rapid degradation of misfolded and regulatory proteins, and the lysosomal-autophagic syst...
Statins inhibit HMG-CoA reductase, a key enzyme in cholesterol synthesis, and are widely used to treat hypercholesterolemia. These drugs can lead to a number of side effects in muscle, including muscle fiber breakdown; however, the mechanisms of muscle injury by statins are poorly understood. We report that lovastatin induced the expression of atrogin-1, a key gene involved in skeletal muscle a...
BACKGROUND The ubiquitin-proteasome pathway (UPP) is a major protein degradation pathway that is activated during sepsis and has been proposed as a therapeutic target for preventing skeletal muscle loss due to cachexia. Although several studies have investigated the modulation of proteasome activity in response to LPS administration, none have characterized the overall UPP response to LPS admin...
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