Thesis
Overview of Botulinum Toxin Type A and Plant-Based Compounds as a Treatment for Keloids: A Systematic Review and Meta-Analysis
Keloids are pathological scars that arise from abnormal wound healing. The development of
keloids are caused by the over-proliferative behavior of dermal fibroblasts and the suppression of its
apoptosis. Botulinum toxin (BTX), produced by Clostridium botulinum, is able to suppress scar
formation and regulate fibroblastic activity - therefore being a highly preferred choice for treatment
of keloids. Plant-based compounds are getting more recognized in the keloid treatment setting as
they are naturally-produced without the requirement of man-made interference. Numerous
research have also proven that plant-based compounds have a promising impact towards
therapeutic use. While the molecular mechanism of keloid is still not fully understood, several
components of it have been extensively investigated such as TGF-β1, α-SMA, type I collagen and
type III collagen. Botulinum toxin type A and plant-based compounds have been found to directly
interfere with these in the signaling cascades of the wound healing process.
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