Keloids are characterized as an "overexuberant" healing response in which disequilibrium between production and catabolism of extracellular matrix (ECM) occurs. Previous studies from our laboratory and others demonstrate an intrinsically higher level of plasminogen activator inhibitor-1 (PAI-1) expression in keloid tissues and cultured fibroblasts compared with normal bordering skin. These find...

INTRODUCTION Keloids are the result of excessive scar tissue formation. Besides their poor aesthetic appearance, keloids can be associated with severe clinical symptoms such as pain, itching, and rigidity. Unfortunately, most therapeutic approaches remain clinically unsatisfactory. Recently, injections with botulinum toxin A (BTA) were proposed for the treatment of established keloids in a clin...

OBJECTIVE Keloid disease (KD) is a benign fibroproliferative skin tumor that results from abnormal wound healing and has no single definitive treatment. This study aims to identify KD biomarkers, which are cellular mediators that can serve as indicators of normal, pathological, and therapeutic processes. METHODS Bioinformatics analytic approaches, including comprehensive literature searches a...

Disequilibrium of dermal wound repair can result in continued accumulation of ECM and excessive scar formation. In susceptible genetically predisposed individuals, keloid formation can be observed. Keloid disease represents a benign dermal fibroproliferative tumor that is unique to humans. TGF-beta is known to play a key role in the pathogenesis of this disease which is still not fully understo...

BACKGROUND Keloids are a dermal fibroproliferative scar of unknown etiology. There is no good animal model for the study of keloids, which hinders the development and assessment of treatments for keloids. METHODS Human keratinocytes and dermal fibroblasts were isolated from 3 human skin tissues: normal skin, white scars, and keloids. A mixed-cell slurry containing keratinocytes and dermal fib...

The purpose of this study was to identify microRNAs (miRNAs) involved in keloid formation and determine their influence on the proliferation of keloid fibroblasts (KFs). Eight specimens each of resected keloid tissue and normal skin tissue were collected. miRNAs that are differentially expressed in keloid tissue and normal skin were detected using an miRNA microarray and verified by quantitativ...

The keloid scar is a cutaneous mass characterized by nodular fibroblastic proliferation of dermis and a predilection for distinctive anatomical locations. However, keloid extension to neighbouring tissue as a nonsyndromic entity has not been described. In the present report, a case involving a 48-year-old woman with extensive bilateral keloids of the ear lobules and neck following ear piercing ...

results there was a real faster response in the first group; while groups 3 and 4 had the slowest responses to treatment. rates of responsiveness seemed to have no significant difference between the groups, but side effects were significantly much frequent in the first group. conclusions intralesional triamcinolone acetonide with cryotherapy showed the most efficacies with more adverse effects,...