Keloids: The paradigm of skin fibrosis - Pathomechanisms and treatment.

Matrix Biol 2016 04 2;51:37-46. Epub 2016 Feb 2.

Department of Dermatology and Cutaneous Biology, The Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA; Jefferson Institute of Molecular Medicine, Thomas Jefferson University, Philadelphia, PA, USA. Electronic address:

Keloids, fibroproliferative dermal tumors with effusive accumulation of extracellular matrix (ECM) components, particularly collagen, result from excessive expression of growth factors and cytokines. The etiology of keloids is unknown but they occur after dermal injury in genetically susceptible individuals, and they cause both physical and psychological distress for the affected individuals. Several treatment methods for keloids exist, including the combination therapy of surgical excision followed by intralesional steroid therapy, however, they have high recurrence rate regardless of the current treatment method. Improved understanding of the pathomechanisms leading to keloid formation will hopefully identify pathways that serve as specific targets to improve therapy for this devastating, currently intractable, disorder.

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http://dx.doi.org/10.1016/j.matbio.2016.01.013DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4842154PMC
April 2016
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