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Anti-cancer effect of Sarijang on colorectal cancer cells in a xenograft nude mouse model

대장암 세포가 이식된 동물모델에서 사리장의 항암효과에 대한 연구

  • Received : 2018.05.26
  • Accepted : 2018.07.24
  • Published : 2018.08.31

Abstract

The current study was conducted to confirm the anti-cancer effect of Sarijang, which is a mixture of extracts from purple bamboo salt, Rhynchosia nulubilis, garlic, and Ulmi cortex. Nude mice were injected with a human-derived colorectal cancer cell (HCT116 cell line) and subsequently administered Sarijang for 4 weeks, following which the body weight, organ weight, and tumor size were measured. To evaluate the anti-cancer mechanism of Sarijang, the levels of p16 and extracellular signal-regulated kinase (ERK), cell cycle regulators in colorectal cancer, were measured. To evaluate the toxicity of Sarijang on liver and kidney, aspartate transaminase, alanine transaminase, blood urea nitrogen, and creatinine were analyzed. Sarijang not only reduced the tumor size by enhancing p16 and suppressing ERK, but also showed no side-effect in the liver and kidneys. Taken together, Sarijang has the potential to inhibit tumor growth without side effects, and may be used as a useful functional food.

본 연구는 사람유래 대장암세포가 이식된 동물모델을 사용하여 사리장의 항암효과를 확인하기 이하여 수행하였다. 사리장은 죽염과 서목태, 마늘과 유근피를 혼합 추출한 물질로써 아이소플라본을 포함하고 있으며 항염, 항산화 등의 효능이 보고된 물질이다. 이러한 사리장을 종양이 이식된 동물모델에 4주간 투여하면서 종양 크기의 변화, 종양 성장인자의 변화와 사리장의 안전성을 평가하였다. 그 결과 사리장은 종양의 크기를 감소시켰으며, 종양 성장과 관련된 ERK와 p16의 발현량을 조절함으로써 종양의 성장을 억제하는 효과를 나타냈다. 또한 사리장을 투여한 시험군에서는 체중, 장기무게, 혈청생화학적검사와 조직학적 검사에서 독성으로 인한 변화가 관찰되지 않았다. 이러한 결과는 사리장이 장기복용이 가능한 항암 보조식품의 소재로써 활용될 수 있다는 것을 의미한다고 할 수 있다.

Keywords

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