Stimulation of muscle protein degradation by murine and human epidermal cytokines: Relationship to thermal injury

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Abstract

Accelerated muscle proteolysis is a characteristic of systemic reaction following trauma, sepsis, or extensive thermal injury. The factors involved in this accelerated muscle breakdown have not been fully described. However, recently leukocytic pyrogen or interleukin 1 (IL-1) have been implicated in the induction of muscle protein degradation in septicemia or trauma. The epidermal cytokine epidermal cell-derived thymocyte activating factor (ETAF) is biochemically and functionally similar to IL-1. Injury to skin can augment ETAF activity. Using a murine model, we found that thermal injury can significantly enhance ETAF/IL-1 activity in a dose-dependent fashion. In addition, ETAF can cause net muscle protein breakdown in vitro. Thus, increased amounts of ETAF produced by thermally injured skin may contribute to the accelerated muscle breakdown in extensive thermal injury. © 1986.

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APA

Sauder, D. N., Semple, J., Truscott, D., George, B., & Clowes, G. H. A. (1986). Stimulation of muscle protein degradation by murine and human epidermal cytokines: Relationship to thermal injury. Journal of Investigative Dermatology, 87(6), 711–714. https://doi.org/10.1111/1523-1747.ep12456681

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