نتایج جستجو برای: vitiligo
تعداد نتایج: 3441 فیلتر نتایج به سال:
Vitiligo is an acquired cutaneous depigmentation disorder which has a deleterious effect on the psychosexual function of many individuals; the genitalia are the common site for depigmentation. Here, the authors report two cases of focal vitiligo affecting the scrotum of the genital organs which were successfully treated by autologous cultured melanocyte transplantation. Autologous cultured mela...
BACKGROUND The members of Toll-like receptor (TLR) family are responsible for recognizing various molecular patterns associated with pathogens. Their expression is not confined to immune cells and have been detected in skin cells such as keratinocytes and melanocytes. As part of a generated response to pathogens, TLRs are involved in inducing inflammatory mediators to combat these threats. It i...
BACKGROUND Segmental vitiligo is characterized by a unilateral and localized distribution. So far, the underlying mechanism is still an enigma. OBJECTIVES To get an insight into the aetiopathogenesis of segmental vitiligo by comparison with the distribution pattern of dermatoses with a possible mosaic or neurogenic background. METHODS In this retrospective observational study the distribut...
Background: Vitiligo is a common acquired disorder characterized by depigmented cutaneous patches devoid of melanocytes. The disease carries a risk for ocular abnormalities. Few reports are available about the ocular findings and their possible association with the disease in patients with vitiligo in the literature. Methods: A total of 72 patients with previously documented cutaneous vitiligo...
The aetiopathogenic mechanisms of vitiligo are still poorly understood, and this has held back progress in diagnosis and treatment. Up until now, treatment guidelines have existed at national levels, but no common European viewpoint has emerged. This guideline for the treatment of segmental and nonsegmental vitiligo has been developed by the members of the Vitiligo European Task Force and other...
experimental autoimmune vitiligo was induced by the intradermal injection of the purified mushroom tyrosinase emulsified in complete freund’s adjuvant (cfa) in female c57bl/6 mice. the onset of vitiligo was characterized by hair hypopigmentation and total melanocyte depletion in the basal layer of the epidermis. oral administration of semipurified mushroom tyrosinase prevented experimental auto...
Lupus erythematosus and vitiligo are diseases of autoimmune origin. Reports in the literature suggest patients are more likely to suffer more than 1 autoimmune disease (30% of patients with generalized vitiligo have another autoimmune disease).1 However, there are few reports of cutaneous lupus erythematosus in association with vitiligo. We describe a 42-year-old woman with no family history of...
Background. Vitiligo is a common skin disorder characterized by macular depigmentation of the skin. The etiopathogenesis of the disease is still unclear, but there is evidence that autoimmunity and endocrine disfunction may be involved. Objective. The aim of this study was to determine whether vitiligo is statistically associated with thyroid autoimmunity. Method. In a prospective case-control ...
BACKGROUND Vitiligo is a depigmenting skin disorder in which genetic factors play an important role. OBJECTIVE To examine the association of CYP2C9 (*) 1/(*) 2/(*) 3 gene polymorphism with vitiligo. METHODS In this case controlled study, 95 Saudi patients with vitiligo (50 men and 45 women), with a mean age of 27.3 years, were analyzed. Patients were compared to 86 healthy controls from the...
Tumour necrosis factor (TNF)-α, a proinflammatory cytokine central to many autoimmune diseases, has been implicated in the depigmentation process in vitiligo. We review its role in vitiligo by exploring its pro- and anti-inflammatory properties and examine the effects of blocking its actions with TNF-α antagonist therapeutics in reports available in the literature. We found that TNF-α inhibitio...
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