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Screening of QHF formula for effective ingredients from Chinese herbs and its anti-hepatic cell cancer effect in combination with chemotherapy

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Chinese Medical Journal 2008年第4期121卷 363-368页

作者： CHEN Tao LI Dan FU Ya-ling HU Wei Department of Traditional Chinese Medicine Three (Jorges University Medical College Yichang Hubei 443002 China

Background Recent studies have shown that effective ingredients of Chinese herbs are used more and more widely in the treatment or co-treatment of cancers, however, they are usually used separately and there has been limited research about joint application of Chinese herbs in multi-modal treatment. The aim of this study was to screen a QHF （Q： Qingrejiedu, H： Huoxuehuayu and F： Fuzhengguben） formula for effective ingredients from Chinese medicines and assess its anti-hepatic cell cancer （HCC） effect in combination with chemotherapy.Methods Six effective ingredients from Chinese medicine were selected based on the previous literature and used in the study. The QHF formula and the best ratio of ingredients were evaluated in H22 mouse （KM） models with solid tumors and ascites tumors by uniform design and monitoring inhibition of tumor growth and survival. We then observed the anti-hepatic cell cancer （HCC） effect of QHF when combined with cisplatin （DDP） in H22 mouse （Balb/c） models with solid tumors and ascites tumors. Evaluating of the therapeutic effect included the general condition of the mice, inhibition of tumor growth, survival, changes in body weight, thymus index, spleen index and WBC counts.Results The optimal QHF dose ratio for anti-hepatic cell cancer treatment was： 800 mg/kg Cinobufotalin, 14 mg/kg Ginsenosides Rg3, 5.5 mg/kg PNS and 100 mg/kg Lentinan. Treatment was more efficient in inhibiting the growth of transplanted tumors in H22 mice when using the QHF formula （55.91%） than using Cinobufotalin （33.25%）, Ginsenosides Rg3 （35.11%）, PNS （27.12%） or Lentinan （4.97%） separately. QHF also prolonged the life of H22 ascites hepatic cancer mice more efficiently （38.13%） than Cinobufotalin （25.00%）, Ginsenosides Rg3 （27.27%）, PNS （23.30%） or Lentinan （24.43%）. QHF combined with DDP could reduce DDP-induced leucopenia, spleen and thymus atrophy and other toxic reactions. Combining QHF with DDP the tumor growth inhibition reached 82.54% with a 66.83% incr

关键词： effective ingredients hepatic cell cancer uniform design QHFformula cisplatin

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Control Effect of Methanol Extract of Blumea megacephala Chang et Tseng against Turnip Aphid (Lipaphis erysimi Kaltenbach)

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Plant Diseases and Pests 2011年第4期2卷 72-74页

作者：刘艳华湖南环境生物职业技术学院湖南衡阳421001

[ Objective ] The paper was to explore the application of botanical pesticides on controlling turnip aphid （ Lipaphis erysimi Kaltenbach）. [ Method ] Through potting efficacy experiment of Chinese cabbage, the control effects of two preparations（20% EC and 10% EW）of methanol extract of Blumea megacephala Chang et Tseng against turnip aphid, as well as leaf-protection effect on Chinese cabbage were determined. [ Result] 20% EC of B. megacephala had the highest efficacy in 10-fold dilution, and its control effects against turnip aphid were 57.78%, 77.19% and 84.79% after pesticide spraying for 24, 48 and 72 h; 10% EW of B. megacephala had the highest efficacy in 5-fold dilution, and its control effects against turnip aphid were 74.44%, 84.79% and 89.14% after pesticide spra- ying for 24, 48 and 72 h. The leaf-protection rates of 20% EC orB. megacephala in 10-fold dilution were 89.31% and 94.80% after pesticide spraying for 3 and 5 d; the leaf-protection rates of 10% EW of B. megacephala in 5-fold dilution were 93.50% and 97.83% after pesticide spraying for 3 and 5 d. [ Condusion] The methanol extract of B. megacephala had good control effect against turnip aphid and good protection rate on crops.

关键词： Blumea megacephala Chang et Tseng Turnip aphid effective ingredients Control effect Ieaf-protection rate China

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