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Effects of 6-keto-prostaglandin E1 on ascitic hepatoma-130 in vivo comparison with chemotherapeutic agents
Authors:H Kobayashi  M Ojima  H Satoh
Abstract:The inhibitory effect of 6-keto-prostaglandin E1 (pGE1) on the growth and survival of ascitic hepatoma (AH-130) cells in vivo was compared with currently used chemotherapeutic agents. Three days after receiving an intraperitoneal injection of 3 X 10(6) AH-130 tumor cells, Donrhyu rats were injected intravenously or intraperitoneally with one of the following: Thromboxane B2 (TXB2) (0.5 mg/kg), 6-keto-pGE1 (0.5 mg/kg), Mitomycin C (MMC) (1.5 mg/kg), or MMC + 6-keto-pGE1 (1.5 mg/kg + 0.5 mg/kg). The mean survival time, median survival time, and increase of life survival percent (ILS%) during a 60 day period revealed that both 6-keto-pGE1 and 6-keto-pGE1 + MMC significantly inhibited AH-130 tumor cell growth, while TXB2 promoted tumor cell growth. We conclude that 6-keto-pGE1 like anti-tumor agents such as MMC, Diketocoriolin B, Carbazilquinon, Endoxan, and 5-Fluorouracil, can significantly inhibit growth of AH-130 tumor cells in vivo, particularly when administered in combination with the anti-tumor agent MMC.
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