Protective Effect of Polygonum Multiflorum on Cell Damage in UVB-irradiated HaCaT Keratinocytes

적하수오(赤何首烏)의 UVB로 자극한 피부 각질세포 보호 작용

  • Lee, Seung-Ah (Dept. of Oriental Gynecology, College of Oriental medicine, Dae-Jeon University) ;
  • Yoo, Dong-Youl (Dept. of Oriental Gynecology, College of Oriental medicine, Dae-Jeon University)
  • 이승아 (대전대학교 한의과대학 한방부인과 교실) ;
  • 유동열 (대전대학교 한의과대학 한방부인과 교실)
  • Received : 2011.10.28
  • Accepted : 2011.11.07
  • Published : 2011.11.25


Objectives: This study was performed to assess the protective effect of Polygonum multiflorum(PM) on UVB-irradiated HaCaT Keratinocytes damage. Methods: The protective effects of Polygonum multiflorum(PM) were determined by UVB-irradiated HaCaT assay. We assessed protective effects of Polygonum multiflorum(PM) on LDH release and nitrite production from HaCaT. COX-2, Bcl-2, Bax, $TNF{\alpha}$, c-jun, c-fos, NF-${\kappa}B$, iNOS, Bcl-xL gene expression were determined in HaCaT using real-time PCR method. Results: 1. PM inhibited LDH Release in UVB-irradiated HaCaT Keratinocytes. 2. PM inhibited Nitrite Production in UVB-irradiated HaCaT Keratinocytes. 3. PM suppressed the Gene Expression of COX-2 in UVB-irradiated HaCaT Keratinocytes. 4. PM increased the Gene Expression of Bcl-2 in UVB-irradiated HaCaT Keratinocytes. 5. PM didn't increase the Gene Expression of Bax in UVB-irradiated HaCaT Keratinocytes. 6. PM suppressed the Gene Expression of $TNF{\alpha}$ in UVB-irradiated HaCaT Keratinocytes. 7. PM suppressed the Gene Expression of c-jun in UVB-irradiated HaCaT Keratinocytes. 8. PM suppressed the Gene Expression of c-fos in UVB-irradiated HaCaT Keratinocytes. 9. PM suppressed the Gene Expression of NF-${\kappa}B$ in UVB-irradiated HaCaT Keratinocytes. 10. PM suppressed the Gene Expression of i-NOS in UVB-irradiated HaCaT Keratinocytes. 11. PM didn't increase the Gene Expression of Bcl-xL in UVB-irradiated HaCaT Keratinocytes Conclusions: In conclusion, these results suggest that PM inhibited the cell damage in UVB-irradiated HaCaT.



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