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mRNA expression of DNA methyltransferase 2 and 3a in the epidermis of patients with psoriasis vulgaris / 中华皮肤科杂志
Chinese Journal of Dermatology ; (12): 607-608, 2018.
Article Dans Chinois | WPRIM | ID: wpr-710439
ABSTRACT
Objective To investigate the expression of DNA methyltransferase 2 (DNMT2) and 3a (DNMT3a) in the epidermis of patients with psoriasis vulgaris.Methods Between March 2009 and December 2010,46 patients with psoriasis vulgaris were enrolled from the Department of Dermatology,Hospital for Skin Diseases,Chinese Academy of Medical Sciences and Peking Union Medical College,and the Department of Dermatology of Yixing People's Hospital,and 28 healthy controls were enrolled from the Department of Dermatologic Surgery,Hospital for Skin Diseases,Chinese Academy of Medical Sciences and Peking Union Medical College.Real-time quantitative PCR was performed to determine the mRNA expression of DNMT2 and DNMT3a in the epidermis of the lesional and nonlesional skin of patients with psoriasis vulgaris,as well as in the epidermis of normal skin of the healthy controls.Results The mRNA expression of DNMT2 (expressed as 2-△△Ct) in the lesional skin,non-lesional skin of the patients and normal skin of the healthy controls was 0.62 ± 0.02,0.36-± 0.05 and 0.15 ± 0.11,respectively.The mRNA expression of DNMT2 was significantly higher in the lesional skin than in the non-lesional skin of the patients (t =6.23,P < 0.01),and higher in the non-lesional skin of the patients than in the normal skin of the healthy controls (t =7.33,P < 0.01).Additionally,the mRNA expression of DNMT3a was significantly higher in the lesional skin (0.85 ± 0.03) than in the non-lesional skin (0.43 ± 0.04) of the patients (t =5.66,P < 0.01),and higher in the non-lesiona] skin of the patients than in the normal skin of healthy controls (0.18 ± 0.09,t =8.62,P < 0.01).Conclusion Both DNMT2 and DNMT3a mRNA were abnormally expressed in the epidermis of patients with psoriasis vulgaris.

Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) langue: Chinois Texte intégral: Chinese Journal of Dermatology Année: 2018 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) langue: Chinois Texte intégral: Chinese Journal of Dermatology Année: 2018 Type: Article