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55 Vitiligo lesional gene expression profile: http://www.selleck.cn/products/PD-98059.html correlation with clinical subtypes and therapeutic response Yuanshen Huang1, Ming-wan Su1, Xuejun Zhang2, Youwen Zhou1,2 1Dermatology and Skin Science, University of British Columbia and Chieng Genomic Centre, Molecular Medicine Lab, Vancouver Coastal health Research Institute; 2Institute of Dermatology, Anhui Medical University, Hefei, Anhui, China Objectives:?To systematically identify the molecular signatures of vitiligo lesion skin and to examine their relationship to clinical subtypes (segmental vitiligo, 0r SV versus non-segmental vitiligo, or NSV) and patient's therapeutic response to treatment. Material and Method:?Paired lesional and perilesional skin biopsies were obtained from 17 patients with vitiligo (12 NSV, and 5 SV). The messenger RNA from these samples were isolated and used to probe Agilent DNA microarrays containing 41?000 unique human genes. genespring bioinformatics softwares were used to establish differentially expressed genes (��molecular signatures) specific for clinical subtypes and responsiveness to therapeutic intervention, and disease onset. Results:?(i) The gene expression pattern of NVS and SV skin lesions are almost identical with few gene expression differences detected between them; (ii) Patients with good therapeutic effect to NBUVB or topical tacrolimus also had recent onset http://www.selleckchem.com/products/Everolimus(RAD001).html or recent disease progression. Molecularly these lesions contained less complete loss of melanocyte gene markers, and contained higher levels of inflammatory markers. Conclusion:?SV and NSV vitiligo are almost identical in molecular signatures of the lesional skin consistent with a common pathogenesis for both. Vitiligo lesions with recent onset and disease progression have subclinical evidence of inflammation and less complete loss of melanocytes. Early treatment is important to maximize therapeutic effect. Poster session 1 (56) The response of melanocytes http://www.selleckchem.com/products/Rapamycin.html to 4-tert-butylphenol is related to vitiligo susceptibility in the Smyth line chicken model for autoimmune vitiligo Lei Dong, Robert L. Dienglewicz, Gisela F. Erf Department of Poultry Science, University of Arkansas, Division of Agriculture, Fayetteville, AR, USA Background and Objectives:?The Smyth line (SL) model for autoimmune vitiligo consists of the vitiligo-prone SL chicken (80�C95% vitiligo incidence (V), onset between 6 and 20?weeks of age), the Brown line (BL) chicken (parental control,