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KCI등재 학술저널

Restoration of the inflammatory gene expression by horse oil in DNCB-treated mice skin

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The present study was performed to evaluated the anti-inflammatory effect of horse oil in 2, 4-dinitrochlorobenzene (DNCB)-treated BALBalb/c mice. After the application of DNCB, the group mice showed atopic dermatitis symptoms, including severe erythema, hemorrhage, and erosion, whereas those symptoms were alleviated after by treatment withof horse oil. To explain the anti-dermatitis effect of horse oil, the gene expression levels in the healing process in dorsal skin were observed using a cDNA microarray. The cDNA microarray analysis revealed that the expression levels of 30 genes related to the inflammation, including Ccr1, Ccr2, Ccl20, Anxa1, and Hc genes, were up--regulated (higher than 2.0-fold) in the DNCB group as compared to the levels in the control group, whereas the levels were restored to the control level in the (DNCB + horse oil)-treated groups. In contrast, the gene expression levels of 28 genes related to inflammation, including chemokine genes (Ccl5, Ccl7, Ccl8, Cxcl10, and Cxcl13 genes,) were down-regulated (loweress than 0.5- fold) in the DNCB group as compared to the levels in the control group, whereas the levels were restored to the control level in the (DNCB + horse oil)-treated groups. Overall, the results showed that horse- oil restores the expression levels of genes related to inflammation that , which were perturbed by DNCB treatment.

INTRODUCTION

MATERIALS AND METHODS

RESULTS

DISCUSSION