Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Betulinic Acid Induces Apoptosis in Humam Mucoepidermoid Carcinoma Cells Through Regulating Specificity Protein 1 and Its Downstream Molecule, Survivin

  • Lee, Jung-Eun (Department of Oral Pathology, School of Dentistry, Institute of Oral Bioscience, Brain Korea 21, Chonbuk National University) ;
  • Jung, Ji-Youn (Department of Companion and Laboratory Animal Science, Kongju National University) ;
  • Yoo, Hyun-Ju (Department of Oral Pathology, School of Dentistry, Institute of Oral Bioscience, Brain Korea 21, Chonbuk National University) ;
  • Cho, Sung-Dae (Department of Oral Pathology, School of Dentistry, Institute of Oral Bioscience, Brain Korea 21, Chonbuk National University)
  • Received : 2013.02.28
  • Accepted : 2013.07.31
  • Published : 2013.09.30
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Abstract

High-grade mucoepidermoid carcinomas (MECs) have difficulty in cure and 5-year survival rate is quiet low. Therefore, we need new therapeutic agents and molecular targets. Betulinic acid (BA) is one of the materials which is easily found in the world and shows tumor-suppress effects in various tumor types. In addition, many kinds of normal tissues have a resistance to BA treatment. In this study, we investigated the anti-proliferative activity of BA and its molecular targets in MC-3 human MEC cells using western blot analysis and DAPI staining. BA inhibited cell viability and induced apoptosis in MC-3 cells. It affected Specificity protein 1 (Sp1) and its downstream molecule, survivin whereas it did not affect myeloid cell leukemia-1 (Mcl-1). Therefore, we suggest that BA can be a potential anti-cancer drug candidate regulating Sp 1 and survivin to exert apoptotic cell death.

악성도가 높은 점액표피양 암종은 치료가 어렵고 5년 생존률이 매우 낮다. 따라서, 새로운 치료 물질과 분자표적을 찾는 것이 필요하다. Betulinic acid (BA)는 세계적으로 쉽게 얻을 수 있는 물질인 동시에 여러 종류의 종양에서 항암효과를 보인다. 또한 여러 정상 조직은 BA에 저항성을 보인다. 이 연구에서는 BA의 증식억제 효능과 MC-3 세포주에서의 분자 표적을 확인하고자 하였다. BA는 MC-3 세포주에서 세포 생존을 저해하였고 세포사멸을 유도하였다. BA는 Sp 1과 그의 하향 분자 표적인 survivin에 영향을 주었으나, 다른 하향 분자 표적인 Mcl-1에서는 유의한 변화를 일으키지 못하였다. 따라서, BA는 Sp1과 survivin을 조절하여 세포사멸을 일으키는 잠재적인 항암제 후보가 될 수 있을 것이라 사료된다.

Keywords

References

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