Journal of Korean Dental Science

  • 제7권2호
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  • Pages.58-65
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  • 2014
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  • 2005-4742(pISSN)
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  • 2713-7651(eISSN)
대한치의학회 (Korean Academy of Dental Science)
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Effect of Chitosan on Expression of Osteogenic Genes during the Healing of Rat Extraction Socket

  • Youn, Gap-Hee (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chonnam National University) ;
  • Jung, Seunggon (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chonnam National University) ;
  • Lee, Tae-Hoon (Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University) ;
  • Kook, Min-Suk (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chonnam National University) ;
  • Park, Hong-Ju (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chonnam National University) ;
  • Oh, Hee-Kyun (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chonnam National University)
  • 투고 : 2014.10.23
  • 심사 : 2014.12.09
  • 발행 : 2014.12.30
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초록

Purpose: This study was performed to evaluate the effect of chitosan combined with absorbable gelatin compressed sponge on the expression of osteoblastic differentiation marker genes during the healing of rat extraction socket. Materials and Methods: Twenty-four male Wistar rats were used. In control group, the extraction socket was closed with suture. In chitosan group, the socket was filled with chitosan combined with Gelfoam (Pharmacia & Upjohn Co.) and closed with suture. In each group, the animals were sacrificed at 3 days, 1 week, 2 weeks, and 4 weeks postoperatively. The expression of osteoblastic differentiation marker genes, including BSP, OCN, Runx2, and Col1 were quantified by real-time polymerase chain reaction. Result: Compared to control group, the mRNA level of BSP in chitosan group increased significantly at 2 weeks after extraction and the level of OCN decreased significantly at 3 days and 4 weeks after extraction (P<0.05). The mRNA levels of OCN, Runx2, and Col1 in chitosan group increased slightly at 2 weeks after extraction, but there was no statistical difference between groups. Conclusion: The results indicate that chitosan has some effects on the expression of osteogenic genes during the healing of extraction sockets.

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