The present study was undertaken to investigate the anticancer activity of monoterepenes in the animal and the cancer cell line tests. Both of the noncyclic and cyclic monoterpenes showed significant life prolonging effects on ICR mouse with abdominal cancer induced by Sarcoma 180 cells up to 67.4% and 63.5% in case of linalool and geraniol, respectively. Linalool and geraniol also exhibited very excellent cytotoxicity against L1210 leukemic cells with $IC_{50}$/ value of 0.32 $\mu\textrm{g}$/mι in 5 days culture condition. In the presence of linalool and geraniol, the generation of $O_2$$^{[-10]}$ ion were found to be increased proportionally to the cytotoxicity arisen from these monoterpenes. Furthermore, the antioxidant enzymes activities such as superoxide dismutase (SOD) and glutathione peroxidase (GPx) responsible for the conversion of $O_2$$^{[-10]}$ ion to $H_2O$$_2$ and then to $H_2O$ augmented remarkably by linalool and geraniol. All data put together it can be postulated that monoterpenes may kill abdominal cancer cells of ICR mouse probably by activating anticancer system of the body, whereas the death of L1210 cells may be due to the detrimental attacks of reactive oxygen species (ROS) including $O_2$$^{[-10]}$ in spite of antioxidant enzymes activities to overcome the ROS attacks.
This study was conducted to examine the physiological activities of Lespedeza cundata extracts. The extraction yield of 50% ethanol extract (17.60%) was higher than that of hot water extract (12.60%). The total phenolic and total flavonoid contents of the 50% ethanol extract were 242.26 mg/g and 160.73 mg/g, respectively. The DPPH radical scavenging activities of the hot water and 50% ethanol extracts were 92.07% and 96.38%, respectively. The superoxide radical scavenging activities of hot water and 50% ethanol extracts on $250{\sim}1,000{\mu}g/mL$ were 54.89~85.68% and 44.50~94.46%, respectively. The tyrosinase inhibition activity of the 50% ethanol extract at $1,000{\mu}g/mL$ (63.31%) was the highest. The nitrite scavenging activity of the 50% ethanol extract was higher than that of the hot water extract. The nitric oxide production of 50% ethanol extract ($7.15{\sim}20.61{\mu}M$) improved with an increase in the treatment concentration. The hot water and 50% ethanol extracts at $1,000{\mu}g/mL$ inhibited the proliferation of the cancer cell lines A549, HeLa, Hep3B, and Sarcoma180. There results suggest that the 50% ethanol Lespedeza cuneata extracts may be useful as a functional food material in the food industry.
Journal of the Korean Society of Food Science and Nutrition
/
v.33
no.10
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pp.1589-1593
/
2004
The aims of this study were to investigate the antioxidative and antitumor effects of crude polysaccharide fraction from Pleurtus eryngii (CPPE). CPPE inhibited autoxidation of linoleic acid at 1,000 $\mu$g/mL concentration, and the inhibitory rates of lipid peroxidation in rat liver microsome were 5.28, 9.40, and 32.5% at 10, 100, and 1,000 $\mu$g/mL concentrations, respectively. After treatment with CPPE for 72 hours, the inhibitory rates against MCF-7, A549 and AGS cell lines showed 42.3, 33.4 and 26.7% at concentration of 1,000 $\mu$g/mL, respectively. Results of CPPE treatment at 100 and 300 mg/kg/day for 7 days in sarcoma-180 bearing-mice showed survival rates of 70 and 90%, respectively. Body weights of mice treated with CPPE were significantly decreased when compared with the control.
In this study, we investigated the in vitro anti-obesity, anti-cancer activity and single oral dose toxicity of Inonotus xeranticus extracted by methanol (INXM) or ethyl acetate (INXE). In order to investigate anti-obestity effect of Inonotus xeranticus extracts, the 3T3-L1 cells were treated with these extracts at various concentrations(1, 10, 100 and $300{\mu}g/ml$). It was observed that 3T3-L1 cells treated with $100{\mu}g/ml$ of Inonotus obliquus ethyl acetate extract (INOE), INXM and INXE, in the absence of differentiation cocktail (0.5mM isobutylmethylxanthine (IBMX) $1{\mu}M$ dexamethasone, $1{\mu}M$ insulin), differentiated at a rate of 78.5, 80.9, and 76.4% respectively. Differentiation rates of 86.6% and 83.4% were observed in 3T3-L1 cells which were treated with differentiation cocktail at $100{\mu}g/ml$ of INXM and INXE, respectively. The anti-cancer effect of Inonotus xeranticus extracts was investigated using a method of sulforhodamine B in sarcoma 180 cell line. The cells were treated with these extracts (1, 10, 100 and $300{\mu}g/ml$) for 48 hours. The growth of cells which were treated with $300{\mu}g/ml$ of INXM was inhibited by 80.1%. The growth of sarcoma 180 cells which were treated with 100 and $300{\mu}g/ml$ of INXE was inhibited by 74.7% and 64.5%, respectively. In single oral dose toxicity study, no differences were observed between control and treated groups in clinical signs, body weight gains, and feed and water consumptions. The results indicated that Inonotus xeranticus extracts did not show any toxic effects at 2,000mg/kg in mice, and the $LD_{50}$ of these extracts was found to be higher than 2,000 mg/kg in this experiment. From the above results, Inonotus xeranticus methanol and ethyl acetate extracts might have useful clinical applications in the management of cancer and obesity and may also be useful as a medicinal food.
On the five interspecific protoplast fusants of Ganoderma lucidum and G. applanatum was the antitumor test performed. The fusant F-2 was selected, to examine the cultured mycelia (protein bound polysaccharide) as antitumor components. When a dose of 20 mg/kg/day of each components purifed from F-2 fusant was, i.p., injected into ICR mice, the inhibition ratio of Fr. II against the solid form of sarcoma 180 increased to 1.5 times as compared with that of their parents. When Fr. II was examined for immunopotentiation activity, it increased the amount of the superoxide anion in activated macrophages to 1.2 times and the count of hemolytic plaque forming cells in the spleen to 4.3 times as compared with that of each control group. Its chemical analysis showed 85.2% polysaccharide which consisted of glucose, galactose, mannose, fucose and xylose, and 0.39% protein of 15 amino acids. The content of hexosamine was 0.39% and the molecular weight of Fr. V was $5.6{\times}10^4$ dalton.
Kim, Sook-Hee;Kim, Jin-Sook;Jin, Mi-Rim;Kim, Ha-Won;Choi, Eung-Chil;Kim, Byong-Kak
Korean Journal of Pharmacognosy
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v.24
no.4
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pp.267-281
/
1993
To find antitumor components from higher fungi, the mycelia of Collybia confluens (Pers. ex Fr.) Kummer were cultured in artificial media. For efficient production of the mycelia, the influences of various modifications of culture conditions were examined. A water-soluble protein-bound polysaccharide fraction, Fr. A, was obtained from the mycelia by hot water extraction. When Fr. A was purified and fractionated by DEAE-cellulose and Sepbadex G-200 gel filtration chromatographies into four fractions which were designated B, C, C-I and C-II. The tumor inhibition ratios of these fractions ranged from 46% to 75% against the solid forms of sarcoma 180 in ICR mice at doses of 20 and 50 mg/kg/day when given intraperitoneally. Especially, Fr. C which was named Collyban(CB) exhibited a marked life-prolonging effect of the mice against ascitic forms of sarcoma 180 at a dose of 50 mg via i.p. administration. To extend spectra of the antitumor activities and eliminate the effects of allograft rejection, the characterization of antitumor effects of CB was performed in syngeneic host-tumor systems. It did not show any antitumor activity against L1210 murine leukemia in $CD_2Fl$ mice but prolonged their life span against ascitic forms of $MM_{46}$ carcinoma in $C_3H/He$ mice. Also it exhibited antitumor activity against human cervical cancer HeLa cells that were xenografted into nude mice having BALB/c genetic backgrounds by the i.p. injection at a dose of 100 mg/kg/day. In order to characterize the antitumor components, CB was examined by chemical analysis. It was acidic protein-bound polysaccharides composed of 31% polysaccharide, 27% protein and 3% hexosamine. CB was fractionated into two fractions, Fr. C-I(M.W.: 500 Kd) and Fr. C-II(M.W.:30 and 8 Kd) by Sephadex G-200 gel filtration chromatography.
With an approach to study the anti-tumor effects and mechanism of selenium compound, we investigated the anti-tumor activity and mechanism of $Na_5SeV_5O_{18}{\cdot}3H_2O$ (NaSeVO) in K562 cells. The results showed that $0.625{\sim}20\;mg/L$ NaSeVO could significantly inhibit the proliferation of K562 cells in vitro in a time- and concentration-dependent manner as determined by microculture tetrazolium (MTT) assay, the IC50 values were 14.41 (4.45-46.60) and 3.45 (2.29-5.22) mg/L after 48 hand 72 h treatment with NaSeVO respectively. In vivo experiments demonstrated that i.p. administration of 5, 10 mg/kg NaSeVO exhibited an significant inhibitory effect on the growth of transplantation tumor sarcoma 180 (S180) and hepatoma 22 (H22) in mice, with inhibition rate 26.8% and 58.4% on S180 and 31.3% and 47.4% on H22, respectively. Cell cycle studies indicated that the proportion of G0/G1 phase was increased at 2.5 mg/L while decreased at 10 mg/L after treatment for 24, 48 h. Whereas S phase was decreased at 2.5-5 mg/L and markedly increased at 10 mg/L after treatment for 48 h. After treatment for 24 h, 10 mg/L NaSeVO also markedly increased S and G2/M phases. Take together, the result clearly showed that NaSeVO markedly increased S and G2/M phases at 10 mg/L. The study of immunocytochemistry showed that the expression bcl-2 is significantly inhibited by 10 mg/L NaSeVO, and bax increased. Morphology observation also revealed typical apoptotic features. NaSeVO also significantly caused the accumulation of $Ca^{2+}$ and $Mg^{2+}$, reactive oxygen species (ROS) and the reduction of pH value and mitochondrial membrane potential in K562 cells as compared with control by confocal laser scanning microscope. These results suggest that NaSeVO has anti-tumor effects and its mechanism is attributed partially to apoptosis induced by the elevation of intracellular $Ca^{2+}$, $Mg^{2+}$ and ROS concentration, and a reduction of pH value and mitochondria membrane potential (MMP).
Hwanhonsan has been used for curing tumor as a Oriental medicine without any experimental evidence to support the rational basis for their clinical use. This experiment was carried out to evaluate the possible therapeutic or antitumoral effects of Hwanhonsan extract against cancer, and to study some mechanisms responsible for its effect. Some kind of tumors were induced by the typical application of 3-methylcholanthrene(MCA) or by the implantation of malignant tumor cells such as leukemia cells(3LL cells) or sarcoma cells(S180 cells) and FasII cells. Treatment of the Hwanhonsan extract(daily 1 mg/mouse, i.p.) was continued for 7 days prior to tumor induction and after that the treatment was lasted for 20 hrs. Against squamous cell carcinoma induced by MCA, Hwanhonsan decreased. not only the frequency of tumor production but also the number and weight of tumors per tumor bearing mice(TBM). Hwanhonsan also significantly suppressed the development of 3LL cells and S180 cells implanted tumors by frequency and their size, and some developed tumors were regressed by the continuous treatment of Hwanhonsan extract into TBM. However, when tumor was induced by FsaII cells implantation, the growth of implanted cells in mice was delayed by the water extract of Hwanhonsan until 7 days and then rapid growth ensued. In vitro treatment of Hwanhonsan extract had no inhibitory effect on the tumor induced by some kind of cell lines such as A431 cells strain but it significantly inhibited the proliferation of 3LL cells, S180 cells. These results suggested that Hwanhonsan extract exhibited a significant prophylactic benefits against tumors and its antitumor activity was manifested depending on the type of tumor cells.
Objectives : The purpose of this study was to investigate Acute$\cdot$Subacute Toxicity and Anti-cancer Effect of K-Herbal-acupuncture in mice and rats. Methods : Balb/c mice were injected intraperitoneally with K-herbal-acupuncture for $LD_{50}$ and acute toxicity test. Sprague-Dawley rats were injected intraperitoneally with K-herbal-acupuncture for subacute toxicity test. K-Herbal-acupuncture was injected on abdomen of mice with S-180 cancer cell line. Result : 1. $LD_{50}$ of K-Herbal-acupuncture was limited $4{\times}10^{-3}$ml/kg~$2{\times}10^{-3}$ml/kg by the test. 2. In acute toxicity test, all of mice were down to the moving reflex, but the weight of mice was increased in treatment group, compared with the normal group. (P<0.05) 3. In acute toxicity test of serum biochemical values of mice, glucose was increased in treatment II group, total cholesterol was increased both treatments.(P<0.05) 4. In subacute toxicity test, the clinical signs of toxication was down to the moving reflex, but it is not severe like acute toxicity test, and observed weight loss at the treatments. 5. In subacute toxicity test, liver weight was decreased compared with the normal group. (P<0.05) 6. In subacute toxicity test of complete blood count test (CBC) of rat, HCT was decreased in treatments, compared with the normal group.(P<0.05) 7. In subacute toxicity test of serum biochemical values of rat, uric acid and triglyceride were decreased, and glucose was increased in treatment groups compared with the control group. (P<0.05) 8. Median survival time was increased about $45\%$ in treatment groups compared with the control group.(P<0.05) 9. Natural killer cell activity was increased in B16F10 lung cancer model, but it was not in sarcoma-180 abdomen cancer. 10. In interleukin-2 productivity test, treatment groups didn't show significant change in lung cancer and abdomen cancer, compared with the normal group.(P<0.005) 11. In making an examination of metastatic cancer with the naked eye, melanoma metastasized in the Lung of C57BL/6 mice. The treated group showed more Melanoma than the control in the numbers and volume. Conclusion : According to the result, K-herbal-acupuncture need further study to know the function and effect in cancer.
Kim, Jin-Sung;Yoon, Sang-Hyub;Ryu, Bong-Ha;Ryu, Ki-Won;Yoon, Seoung-Woo
THE JOURNAL OF KOREAN ORIENTAL ONCOLOGY
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v.9
no.1
/
pp.1-14
/
2003
Objective : Ikiyangeumhaedoc-tang(IYHT) has an effect of nourishing Yin(陰) and Jin(津), and has been used to cancer patient effectively. In order to prove the anticancer's and antimetastic effect of IYHT experimentally, studies were done. Methods : We evaluated the cytotoxic activity on HT-1080 cells as well as inhibitory effect on activity of DNA topoisomerase Ⅰ, cell adhesion, cell invasion and proliferation of HUVEC cells induced by bFGF and measured the expression of mRNA(uPA, MMP2, TIMP2), p-ERK protein, recovery effect of gap junctional intercellular communication by $H_{2}O_2$ and survival time of ICR mice bearing sacoma-180. Results : IYHT showed the inhibitory effect on DNA topoisomerase Ⅰ in the concentration of $100{\mu}g/ml,\;500{\mu}g/ml$ and the dosage-dependent inhibitory effect on the adhesion of HT-1080. The concentration of 1mg/ml of IYHT inhibited 15% of adhesion compared with control. IYHT decreased the expression of uPA, but not in MMP2, TIMP2 by RT-PCR and inhibited the expression of p-ERK effectively in the concentration of more than $500{\mu}g/ml.$ IYHT recovered the inhibited gap junctional intercellular communication by $H_{2}O_2$ to the level of 60% of normal control in the concentration of $400{\mu}g/ml$ but, did not extended the mean survival time of sarcoma 180-bearing mouse. Conclusions : It was concluded that IYHT could be applied usefully for prevention and treatment of human cancer, And also experimental study for the evaluation of molecular biological study and antimetastatic research would be recommended in the near future.
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