Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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3,3'-Diindolylmethane (DIM) decrease adhesion, migration and invasion in human prostate cancer cells

3,3'-Diindolylmethane (DIM)이 인체 전립선암 세포의 부착, 이동 및 침윤성에 미치는 영향

  • Kim, Hyeon-A (Department of Food and Nutrition, Mokpo National University)
  • Received : 2014.06.05
  • Accepted : 2014.09.15
  • Published : 2015.02.28
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Abstract

Indole 3-carbinol (I3C), important component of cruciferous vegetables and its major acid-catalyzed metabolite, 3,3'-diindolylmethane (DIM) have been suggested to have an inhibitory effect on the tumor growth and metastasis. This study investigated the effect of DIM on the adhesion, migration and invasion of highly invasive PC3 and DU145 human prostate cancer cell lines. Cells were grown in Dulbecco's modified Eagle's medium (DMEM) supplemented with 3.0 g/L glucose, 3.7 g/L sodium bicarbonate and 10% fetal bovine and were incubated in a humidified incubator at $37^{\circ}C$ and 5% $CO_2$. DIM reduced the adhesion of PC3 and DU145 cells in a dose dependent manner. The pretreatment of PC3 cells with DIM reduced the adhesion dose dependantly, but inhibition was less effective than the treatment with DIM during the adhesion assay. The migration and invasion of PC3 and DU145 cells were reduced by DIM dose dependantly, and the inhibition of DIM was less effective in the DU145 cells than in the PC3 cells. The pretreatment of PC3 cells with DIM for 24 hr before the assay reduced invasion of PC3 cells by 37%. These results suggest that DIM inhibits adhesion, migration and invasion of the PC3 and DU145 cells and may be an effective antimetastatic therapy in addition to traditional chemotherapy.

본 연구는 3,3'-diindolylmethane(DIM)이 인간전립선암 세포인 PC3 세포와 DU145 세포의 부착, 이동, 침윤에 미치는 영향을 살펴보았다. DIM은 PC3와 DU145 세포의 부착을 농도 의존적으로 억제하였다. 24시간동안 DIM으로 PC3 세포를 전 처리한 후 부착실험을 한 결과 농도 의존적으로 억제하였다. 그러나 암세포가 부착 시 DIM의 암세포 부착 억제가 전처리에 의한 부착 억제보다 효과적이었다. DIM은 인간 전립선암세포의 이동과 침윤도 억제하였으며 24시간 동안 PC3 세포를 DIM으로 전처리를 했을 때도 침윤 억제효과를 나타내었다. 또한 DIM의 억제효과는 세포주에 따라 다소 다른 경향을 보여 PC3 세포에 대한 억제효과가 DU145 세포에 대한 억제효과보다 큰 것으로 관찰되었다. DIM은 $150{\mu}M$ 까지 세포 독성이 관찰되지 않은 것으로 보고되고 있으므로 본 연구결과 DIM은 세포 독성이 없는 수준에서 인간 전립선암 세포인 PC3와 DU145 세포의 부착, 이동, 침윤을 효과적으로 억제하여 전립선암 전이 억제제로 이용될 수 있을 것으로 사료된다.

Keywords

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