치위생과학회지 (Journal of dental hygiene science)

  • 제14권2호
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  • Pages.101-106
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  • 2014
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  • 1598-4478(pISSN)
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  • 2233-7679(eISSN)
한국치위생과학회 (The Korean Society of Dental Hygiene Science)
권호 표지

임상에서 쓰이는 저 출력 초음파(Low Intensity Pulsed Ultrasound)가 조골세포에 미치는 영향

The Effect of Osteoblast like Cell on Low Intensity Pulsed Ultrasound Used in Current Clinical Practice

  • Park, Sang-Rye (Department of Dental Hygiene, Kyungnam College of Information & Technology) ;
  • Kim, Ji-Young (Department of Dental Hygiene, Kyungnam College of Information & Technology) ;
  • Choi, Byul Bo-Ra (Department of Dental Hygiene, Kyungnam College of Information & Technology)
  • 투고 : 2014.03.26
  • 심사 : 2014.04.26
  • 발행 : 2014.06.30
⟨ 이전 논문 다음 논문 ⟩

초록

본 연구는 저 출력 초음파 장치를 이용하여 osteoblastlike MG-63 세포에 1 MHz, 3 Mz 강도의 초음파 처리 후 조골세포의 변화를 관찰하였다. 3 MHz 강도의 주파수를 osteoblast-like MG-63 세포에 처리한 결과 7일 후 성장률이 대조군보다 증가하였다. 저 출력 초음파가 골의 치유에 영향을 미치는 인자를 확인하였을 때 ALP, osteocalcin, VEGF, colla 1A1의 증가를 확인하였으며, 1 MHz 주파수 처리시 integrin alpha 2의 발현이 대조군과 유사하게 발현되는 것을 확인하였다. 반면에, osteonectin, osteopontin, fibronectin, MMP 2 등은 변화가 없음을 확인하였다. 그러므로 본 연구는 저 출력 초음파 장치는 뼈 치유 촉진 단백질들의 발현을 증가시켜 구강 내 외과적 수술 시 골 치유 촉진 효과에 대한 가능성을 제시하였으며 임상에서 골 치유 촉진을 위한 장비로서의 사용 가능성을 제시하였다고 생각된다.

In this study, we investigated the proliferative and adhesional effect of human osteoblast like MG-63 cell treated with low intensity pulsed ultrasound (LIPUS). We tested the effectiveness of LIPUS in human osteoblast like MG-63 cells. Cell proliferation was measured using a water soluble tetrazolium salts-1 assay. The mRNA expression of alkaline phosphate, vascular endothelial growth factor (VEGF), integrin alpha 2, colla 1A1 were performed by reverse transcription-polymerase chain reaction. LIPUS was no cytotoxicity in human osteoblast like MG-63 cells. In addition, the data show that treatment with 1 MHz and 3 MHz LIPUS on increased proliferation 7 days after. There were significant increased in mRNA expression of alkaline phosphatase, osteocalcin, VEGF, integrin alpha 2 and colla 1A1 (p<0.05). Therefore, the LIPUS significantly increased differential expression of mRNA levels in osteoblast like MG-63 cell and new possibilities in dental clinical practice.

키워드

참고문헌

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