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Methotrexate (MTX), an anti-metabolite and anti-inflammatory drug, has been used to effectively manage and prevent keloids, but its mechanism(s) of action has not been elucidated. Our study sought to evaluate the effect of MTX on the production of key extra cellular matrix components, collagen, and matrix metalloproteinase-1 (MMP-1), produced by fibroblasts(More)
Cellular transplantation is now closer to becoming a practical clinical strategy to repair, regenerate or restore the function of skin, muscle, nerves and pancreatic islets. In this study we sought to develop a simple injectable collagen matrix that would preserve the normal cellular organization of skin cells. Three different scaffolds were created and(More)
Delayed wound healing can significantly impact survival of patients who suffer from severe thermal injury. In general, the use of a wound coverage, particularly with those of bilayer skin substitute, would be ideal to promote healing and prevent infection and fluid loss. Although the use of an autologous skin substitute is desirable, its preparation is time(More)
We previously suggested that keratinocyte releasable factors might modulate the wound healing process by regulating the expression of key extracellular matrix components such as collagenase (matrix metalloproteinase-1) and type I collagen in fibroblasts. The first one, we called it keratinocyte-derived anti-fibrogenic factor (KDAF), identified as stratifin(More)
In the present study, cytotoxicity effects of calprotectin on Human Gingival Fibroblast (HGF) and Human Foreskin Fibroblast (HFFF) were compared. For these evaluations, both cells were exposed to the different concentrations of calprotectin, for 24, 48 and 72 h. Cell proliferation was assessed using MTT assay. Our results revealed that growth inhibition of(More)
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