نتایج جستجو برای: experimental autoimmune vitiligo

تعداد نتایج: 764305  

Journal: :JAMA ophthalmology 2013
Pukhraj Rishi Carol L Shields Kaitlin Patrick Jerry A Shields

IMPORTANCE The relationship of vitiligo to cutaneous melanoma is believed to be due to an immune response generated to melanoma antigens that cross-react with normal skin. There is little in the literature on the relationship between cutaneous vitiligo and uveal melanoma. OBJECTIVE To describe the clinical profile, treatment, and outcome in patients with uveal melanoma who subsequently develo...

Journal: :Journal of cutaneous medicine and surgery 2013
Neel Malhotra Marlene Dytoc

BACKGROUND Vitiligo is a commonly encountered pigmentary disorder. Numerous studies and investigations from all over the world have attempted to determine the mechanisms behind this disease; however, the pathogenesis of vitiligo remains elusive. OBJECTIVE n this comprehensive review article, we present the findings behind the five overarching theories of what causes this disfiguring and psych...

Journal: :Actas dermo-sifiliograficas 2014
R González E Torres-López

Vitiligo is a skin condition characterized by white, hypopigmented macules. Melanocyte loss is a feature of the disease, and it has been hypothesized that an autoimmune mechanism could be responsible for the depigmentation. Melanoma is a malignancy that develops in melanocytes; if not detected and treated early, it is often deadly. Leukoderma, a condition characterized by depigmentation of the ...

Journal: :The Journal of Experimental Medicine 1983
G K Naughton M Eisinger J C Bystryn

Most patients with active vitiligo (82% of 61) have antibodies to antigens of normal human melanocytes that can be detected by specific immunoprecipitation of radioiodinated, detergent-soluble, melanocyte macromolecules. Such antibodies were present in only 12% of patients with melanoma and in none of 35 patients with nonpigmentary skin diseases. The antibodies were directed to a common antigen...

Ebadi Mohammad-Sadegh Khodashenas Zohreh Lajevardi Vahideh Nazemi Mohammad Javad

Background: Generalized vitiligo is characterized by autoimmunedestruction of melanocytes, which results in patches of thedepigmented skin and the overlying hair. Vitamin D is an essentialhormone synthesized in the skin and is responsible for skinpigmentation. Low vitamin D levels have been noted in patientswith a variety of autoimmune diseases. A recent study showedthat low vitamin D levels ma...

A Momeni M Amin Javaheri MR Kharazi

Background: Vitiligo is a common skin disease that clinically presents as depigmented macules due to destruction of melanocytes. Although the cause is unknown, various theories such as autoimmune, autodestruct and neural hypotheses have been proposed. Objective: The objective of this study was to evaluate clinical picture of vitiligo in Isfahan, Iran. Patients and Methods: In a descriptive stud...

Journal: :Skin therapy letter 2008
B H Mahmoud C L Hexsel I H Hamzavi

Vitiligo is an acquired leukoderma that results from the loss of epidermal melanocytes, and is characterized by macules and patches of depigmented skin. With a relatively high rate of prevalence, vitiligo occurs in localized, generalized, or segmental patterns; it can run a rapidly progressive course or remain stationary. The pathogenesis of vitiligo is not yet fully understood, but the autoimm...

Journal: :Acta dermatovenerologica Croatica : ADC 2016
Ilteris Oguz Topal Hatice Duman Sule Gungor Emek Kocaturk Pelin Kuteyla Can

Vitiligo is an acquired, pigmentary skin disorder that affects about 0.1-4.0% of the population. In this study, we aimed to investigate the disease features such as age of onset, disease duration, clinical and sociodemographic characteristics, and laboratory parameters of patients with vitiligo. A hundred patients who were in follow-up for vitiligo between the period of June 2013 and May 2014 w...

Journal: :Annals of dermatology 2009
Jin Mo Park Hee Jung Kim Byung Gi Bae Yoon Kee Park

Vitiligo and psoriasis are common dermatoses that occur in 1~3% and 0.5% of the general population, respectively. There have been several reports of the concurrence of these diseases in the English medical literature. Yet the pathogenesis of the association between these two dermatoses is still unknown. Psoriasis may occur coincidentally with vitiligo and it may be strictly confined to the viti...

2014
Roberto Gomes Tarlé Liliane Machado do Nascimento Marcelo Távora Mira Caio Cesar Silva de Castro

Vitiligo is a chronic stigmatizing disease, already known for millennia, which mainly affects melanocytes from epidermis basal layer, leading to the development of hypochromic and achromic patches. Its estimated prevalence is 0.5% worldwide. The involvement of genetic factors controlling susceptibility to vitiligo has been studied over the last decades, and results of previous studies present v...

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