نتایج جستجو برای: vitiligo

تعداد نتایج: 3441  

2018
Dalia Gamal Aly Samar Abdallah Salem Khalda Sayed Amr Mahmoud Fawzy Abd El-Hamid

Background: The association of glutathione S-transferases M1/T1 (GSTM1/T1) null polymorphisms with vitiligo was proposed in several studies including two Egyptian studies with contradictory results. oBjective: The aim here was to assess the association between GSTM1/T1 null polymorphisms and the susceptibility to vitiligo in a larger sample of Egyptian patients with generalized vitiligo. Method...

2017
Yuanmin He Shuli Li Weigang Zhang Wei Dai Tingting Cui Gang Wang Tianwen Gao Chunying Li

In vitiligo, melanocytes are particularly vulnerable to oxidative stress owing to the pro-oxidant state generated during melanin synthesis and to the genetic antioxidant defects. Autophagy is a controlled self-digestion process which can protect cells against oxidative damage. However, the exact role of autophagy in vitiligo melanocytes in response to oxidative stress and the mechanism involved...

Journal: :Acta dermatovenerologica Croatica : ADC 2009
Valerio Cervelli Barbara De Angelis Alberto Balzani Gianfranco Colicchia Diana Spallone Monica Grimaldi

The aim of our study was to analyze the results obtained with the ReCell system for surgical treatment of stable vitiligo. At Department of Plastic and Reconstructive surgery, University of Tor Vergata in Rome, we treated 15 patients with stable vitiligo during a 2-year period. The stability of vitiligo lesions varied between 1 and 4 years. The mean stability was 2.25. The disease activity acco...

Journal: :Experimental dermatology 2013
Naresh C Laddha Mitesh Dwivedi Mohmmad S Mansuri Amina R Gani Md Ansarullah A V Ramachandran Sarat Dalai Rasheedunnisa Begum

Vitiligo is a multifactorial polygenic disorder with a complex pathogenesis, linked with both genetic and non-genetic factors. The precise modus operandi for vitiligo pathogenesis has remained elusive. Theories regarding loss of melanocytes are based on autoimmune, cytotoxic, oxidant-antioxidant and neural mechanisms. Reactive oxygen species (ROS) in excess have been documented in active vitili...

Journal: :Annals of the Academy of Medicine, Singapore 2009
Jiun Yit Pan Colin Theng Joyce Lee Boon Kee Goh

Dear Editor, Diphencyprone (DCP) is a contact sensitiser used to treat dermatological conditions resulting from an altered immunological state, such as extensive alopecia areata. Adverse effects include local eczema with blistering, regional lymphadenopathy and contact urticaria. Rare adverse effects include an erythema multiforme-like reaction, hyperpigmentation, hypopigmentation and vitiligo....

Journal: :Pigment cell & melanoma research 2010
Jared Klarquist Cecele J Denman Claudia Hernandez Derek A Wainwright Faith M Strickland Andreas Overbeck Shikar Mehrotra Michael I Nishimura I Caroline Le Poole

In human vitiligo, cutaneous depigmentation involves cytotoxic activity of autoreactive T cells. It was hypothesized that depigmentation can progress in the absence of regulatory T cells (Treg). The percentage of Treg among skin infiltrating T cells was evaluated by immunoenzymatic double staining for CD3 and FoxP3, revealing drastically reduced numbers of Treg in non-lesional, perilesional and...

Journal: :Annals of the Academy of Medicine, Singapore 1999
J T Lim

Treatment of vitiligo can sometimes be difficult and disappointing. PUVA treatments give fairly good results. However, acral regions like the hands or feet or areas over bony prominences like the elbow, are resistant to PUVA. Blister-induced epidermal grafts have been used to repigment vitiligo skin. This study was carried out on patients with vitiligo areas unresponsive to either PUVA treatmen...

2017
Mariana Gontijo Ramos Daniel Gontijo Ramos Camila Gontijo Ramos

BACKGROUND Vitiligo is a chronic disease characterized by the appearance of achromic macules caused by melanocyte destruction. Surgical treatments with melanocyte transplantation can be used for stable vitiligo cases. OBJECTIVES To evaluate treatment response to the autologous transplantation of noncultured epidermal cell suspension in patients with stable vitiligo. METHODS Case series stud...

AR Taheri F Pezeshk Pour H Assadi MJ Yazdan Panah

Background: Vitiligo is a common autoimmune skin disease that may occur in association with other autoimmune disorders especially those of the endocrine system. Diabetes mellitus is a common endocrine disease associated with vitiligo. Objective: To study the association of vitiligo and diabetes mellitus. Patients and Methods: In this descriptive cross-sectional study, 750 diabetic patient...

Journal: :JAMA dermatology 2015
Girish C Mohan Jonathan I Silverberg

IMPORTANCE Previous studies found conflicting results as to whether atopic dermatitis (AD) is increased in patients with vitiligo and alopecia areata (AA). OBJECTIVE To compare the prevalence of AD between patients with either vitiligo or AA and those without these disorders by performing a meta-analysis of observational studies. DATA SOURCES MEDLINE, EMBASE, Cochrane Library, Google Schola...

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