Therapeutic Effects of Erythroid Differentiation Regulator 1 on Imiquimod-Induced Psoriasis-Like Skin Inflammationopen access
- Authors
- Kim, Kyung Eun; Houh, Younkyung; Park, Hyun Jeong; Cho, Daeho
- Issue Date
- Feb-2016
- Publisher
- MDPI AG
- Keywords
- ERDR1; psoriasis; inflammatory skin diseases; Th17; CCR6; CCL20
- Citation
- INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, v.17, no.2
- Journal Title
- INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
- Volume
- 17
- Number
- 2
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/3575
- DOI
- 10.3390/ijms17020244
- ISSN
- 1661-6596
1422-0067
- Abstract
- Psoriasis is a common skin disease accompanied by chronic inflammation. In previous studies, erythroid differentiation regulator 1 (ERDR1) was shown to have a negative correlation with proinflammatory cytokine IL-18. However, the role of ERDR1 in the inflammatory skin disease psoriasis has not been evaluated. In this study, to investigate the role of ERDR1 in psoriasis, recombinant ERDR1 was injected intraperitoneally into a psoriasis mouse model. Recombinant ERDR1 (rERDR1) significantly alleviated the symptoms of psoriasis-like skin inflammation and reduced the mRNA of various psoriasis-related markers, including keratin 14, S100A8, and Th17-related cytokines IL-17 and IL-22, suggesting that rERDR1 exerts therapeutic effects on psoriasis via the regulation of Th17 functions. Additionally, the expression of CCL20, a well-known Th17 attracting chemokine, was determined. CCL20 expression significantly decreased in the rERDR1-injected group compared with the vehicle (PBS)-injected group. CCR6 expression in the psoriatic lesional skin was also decreased by rERDR1 administration, implying the inhibition of CCR6-expressing Th17 cell chemotaxis via the downregulation of CCL20. Taken together, this study provides the first evidence that ERDR1 may be a potential therapeutic target for psoriasis.
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