• Title/Summary/Keyword: Tumor control

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Effect of Sanghongbaekchul-san on Anti-metastatic and Immunopotentiating Activities (상홍백출산(桑紅白朮散)이 생쥐 대장암세포의 간전이억제와 면역활성화에 미치는 효과)

  • Oh, Se-Soon;Kang, Hee;Shim, Bum-Sang;Kim, Sung-Hoon;Choi, Seung-Hoon;Ahn, Kyoo-Seok
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.22 no.2
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    • pp.282-289
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    • 2008
  • We evaluated the effect of SHBCS on adhesion and invasion of colon L5-26 adenocarcinoma cell line in vitro in vitro and experimental liver metastasis in vivo. SHBCS showed little inhibitory effect on colon 26-L5 cell proliferation. At the concentration of up to 500 mg/ml of SHBCS 80% of cells were viable. SHBCS showed no inhibitory effect on adhesion and invasion of colon 26-L5 cells, which were placed on matrigel. In a dose dependent manner, oral administration of SHBCS showed a significantly inhibitory effect on liver metastasis from colon 26-L5 injected mice. When mice were depleted of NK cells or macrophages before tumor inoculation, SHBCS significantly decreased liver metastasis fromf the tumor injected mice. Compared with the control mice, SHBCS increased the populations of macrophages and NK cells by 30%, 18%(10 mg/mouse, 50 mg/mouse) and 5%, 1% (10 mg/mouse, 50 mg/mouse) respectively. Compared with the control mice, SHBCS increased the populations of CD4 cells by 5%, 18% (10 mg/mouse, 50 mg/mouse) respectively. Spelenocytes from mice administerd with SHBCS were stimulated with LPS plus ConA, proliferation of splenocytes from mice administerd with SHBCS was 140%, 146%(10 mg/mouse, 50 mg/mouse) compared with th control mice. In conclusion, the present study suggests that SHBCS may have an inhibitory effect on liver metastasis through immunopotentiating activity which is associated with macrophages and NK cells.

포공영(蒲公英) 분획(分劃)의 간암세포(肝癌細胞)에 대(對)한 항암활성(抗癌活性)과 항암제(抗癌劑)와의 병용투여효과(倂用投與效果)

  • Kim, Dong-Hui;Kim, Seong-Hun
    • The Journal of Korean Medicine
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    • v.16 no.2 s.30
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    • pp.386-413
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    • 1995
  • In order to prove the antitumor effect of Taraxaci Herba experimentally, studies were done. The antitumor effect against hepatic cancers such as Hep G2. Hep 3B & PLC and also the synergstric action was evaluated in the combined treatment with anticancer drugs using chiefly for liver cancer. such as. The results were obtained as follows: 1.$IC_{50}$ against Hep G2. Hep 3B and PLC was $15.5{\mu}g/ml.\;25.4{\mu}g/ml,\;31.25{\mu}g/ml$ in Mitomycin C(MMC), $92.5{mu}g/ml,\;50.2{\mu}g/ml,\;62.5{\mu}g/ml $in cisplatin(CPT) and 125 in 5-flurouracil(5-FU) respectively. 2. In cytotoxic effect against Hep G2 every fractions showed the anti tumor effect as compared with the data of control but EE fraction of Taraxaci Herba was most effective and also hexane fraction was most effective in the combined treatment with anticancer drugs. 3. In cytotoxic effect against Hep 3B every fractions showed the antitumor effect as compared with the data of control but EE fraction of Taraxaci Herba was most effective and also hexane fraction was most effective in the combined treatment with anticancer drugs. 4. In cytotoxic effect against PLC every fractions showed the anti tumor effect in the concentrations of $10^{-5}g/ml$ above as compared with the data of control and also the combined treatment with MMC was most effective. 5. Fractions of Taraxaci Herba showed the most antitumor effect against Hep 3B and also the combined treatment with MMC was most effective. From the above result it was concluded that ethyl ether fraction of Taraxaci Herba was most effective fraction, every fraction showed more antitumor effect against Hep 3B and Hep G2 than PLC.

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Study on Tumor Necrosis Factor-α· Gene Polymorphism in Rheumatoid Arthritis (류마티스 관절염에 있어 종양괴사인자 다형성에 대한 연구)

  • Kim, Kyung-Un;Lee, Kyung-Min;Lee, Bong-Hyo;Lim, Seong-Chul;Jung, Tae-Young;Seo, Jung-Chul
    • Journal of Pharmacopuncture
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    • v.10 no.2 s.23
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    • pp.73-79
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    • 2007
  • Objectives : Tumor necrosis factor-${\alpha}{\cdot}$(TNF-${\alpha}{\cdot}$) is a proinflammatory cytokine involved in the pathogenesis of rheumatoid arthritis. This study was designed to investigate the relation between TNF-${\alpha}{\cdot}$ gene polymorphism and rheumatoid arthritis in Korean population. Methods : This study was carried out on 103 rheumatoid arthritis patients who fulfilled the American College of Rheumatology 1987 revised criteria for rheumatoid arthritis and 208 healthy control subjects. Blood samples from all subjects were obtained for DNA extraction. The extracted DNA was amplified by polymerse chain reaction(PCR). PCR products were visualized by 2% agarose gel electrophoresis. We investigated the genotyping of TNF-${\alpha}{\cdot}$ by using Pyrosequencing. Results : The genotypes of TNF-${\alpha}{\cdot}$ gene were GG, AG and AA. While the distribution of TNF-${\alpha}{\cdot}$ polymorphism in control subjects was 92.31%, 7.21%, 0.48% respectively, in rheumatoid arthritis patients was 93.20%, 6.80%, 0.00%(GG, AG. AA). There was no statistical significant allelic frequency difference between control and rheumatoid arthritis groups. Conclusion : We concluded that there was no significant association between TNF-${\alpha}{\cdot}$ gene polymorphism and rheumatoid arthritis. However, the findings of this study need to be confirmed in more patients and further studies.

The Changes of P-glycoprotein Activity by Interferon-γ and Tumor Necrosis Factor-α in Primary and Immortalized Human Brain Microvascular Endothelial Cells

  • Lee, Na-Young;Rieckmann, Peter;Kang, Young-Sook
    • Biomolecules & Therapeutics
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    • v.20 no.3
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    • pp.293-298
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    • 2012
  • The purpose of this study was to investigate the modification of expression and functionality of the drug transporter P-glycoprotein (P-gp) by tumor necrosis factor-alpha (TNF-${\alpha}$) and interferon-gamma (IFN-${\gamma}$) at the blood-brain barrier (BBB). We used immortalized human brain microvessel endothelial cells (iHBMEC) and primary human brain microvessel endothelial cells (pHBMEC) as in vitro BBB model. To investigate the change of p-gp expression, we carried out real time PCR analysis and Western blotting. To test the change of p-gp activity, we performed rhodamin123 (Rh123) accumulation study in the cells. In results of real time PCR analysis, the P-gp mRNA expression was increased by TNF-${\alpha}$ or IFN-${\gamma}$ treatment for 24 hr in both cell types. However, 48 hr treatment of TNF-${\alpha}$ or IFN-${\gamma}$ did not affect P-gp mRNA expression. In addition, co-treatment of TNF-${\alpha}$ and IFN-${\gamma}$ markedly increased the P-gp mRNA expression in both cells. TNF-${\alpha}$ or IFN-${\gamma}$ did not influence P-gp protein expression whatever the concentration of cytokines or duration of treatment in both cells. However, P-gp expression was increased after treatments of both cytokines together in iHBMEC cells only compared with untreated control. Furthermore, in both cell lines, TNF-${\alpha}$ or IFN-${\gamma}$ induced significant decrease of P-gp activity for 24 hr treatment. And, both cytokines combination treatment also decreased significantly P-gp activity. These results suggest that P-gp expression and function at the BBB is modulated by TNF-${\alpha}$ or/and IFN-${\gamma}$. Therefore, the distribution of P-gp depending drugs in the central nervous system can be modulated by neurological inflammatory diseases.

The Effects of Liriopis Tuber Water Extract on Innate Immune Activation and Anti-Inflammation (맥문동 물 추출물의 선천면역 활성과 염증억제 효과)

  • Kang, Nu-Ri;Hwang, Deok-Sang;Lee, Jin-Moo;Lee, Chang-Hoon;Jang, Jun-Bock
    • The Journal of Korean Obstetrics and Gynecology
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    • v.34 no.3
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    • pp.15-28
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    • 2021
  • Objectives: This study was designed to examine the anti-cancer activity by innate immunomodulating and anti-inflammatory effects of liriopis tuber water extract (LPE). Methods: Cell cytotoxicity was tested with 4T1 mouse mammary carcinoma cells, spleen cells, macrophage, and RAW264.7 cells. To investigate innate immunomodulating effects of LPE on macrophage, we measured tumor necrosis factor-alpha (TNF-α), interleukin-12 (IL-12), and interleukin-10 (IL-10). To investigate innate immunomodulating effects of LPE on RAW264.7 cell, we measured TNF-α, interleukin-6 (IL-6). In addition, TNF-α and nitric oxide (NO) induced by lipopolysaccharide (LPS) were measured after treating with LPE to observe innate immunomodulating effect of LPE on RAW264.7 cell. Also, mitogen-activated protein kinase (MAPK) and nuclear factor κB (NF-κB) were examined by western blot analysis. Results: In an in vitro cytotoxicity analysis, LPE affected tumor cell growth above specific concentration. As compared with the control group, the production of TNF-α, IL-12, and IL-10 were increased in macrophage. As compared with the control group, the production of TNF-α and IL-6 were increased in RAW 264.7 cell. The expression of TNF-α and NO induced by LPS after treating LPE was decreased. In addition, treatment of RAW 264.7 cell with LPE increased the phosphorylation levels of p-extracellular signal-regulated kinase (p-ERK), p-Jun N-terminal kinase (p-JNK), and p-p38. Conclusions: LPE might have impact on the anti-cancer effect by activation of innate immune system and inflammation control.

Effects of Catalpa Ovata on the Collagen-induced Arthritis in Lewis Rats (개오동이 흰쥐의 Collagen 유발 관절염에 미치는 영향)

  • Kim, Sun-Jung;Seo, Il-Bok;Yoon, Je-Pil
    • The Journal of Korea CHUNA Manual Medicine
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    • v.4 no.1
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    • pp.75-88
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    • 2003
  • Objectives : The purpose of this study is to find out the effects of Catalpa Ovata on the collagen-induced arthritis in the lewis rats. and we infere the effects of Catalpa Ovata on the rheumatoid arthritis in the human body. Methods : We investigated the effect of Catalpa Ovata on the Collagen-induced arthritis in Lewis rats via morphology, histology and serology as an experimental group, a control group, and a normal group. We feed Catalpa Ovata. only to an experimental group. Results : According to this research, the abnormal finding In Moire topography was 53.7% (1,018 students), and students needed X-ray re-examination were 11.2% (213 students). Students diagnosed scoliosis by X-ray re-examination were 1.8%. According to statistical analysis, interval between vertical base line of pelvis and vertical base line of neck, gap between left distance and right distance to the vertical base line of pelvis and difference of contour lines have strong correlations with deformity degree of the body surface examined by Moire. Conclusions : 1. The weight of an experimental group were lower than control group with statistically significant at 15 days later. 2, The paw edema volume of an experimental group were lower than control group at 10 days, 15 days later. but couldn't be found meaning. 3. The size of the tarsal joint of an experimental group were lower than control group at 5 days, 10 days, 15 days later, but couldn't be found meaning. 4. The volume of tumor necrosis factor-a at an experimental group were lower than control group with statistically significant. 5. The volume of interleukin-$1{\beta}$ at an experimental group were lower than control group with statistically significant. 6. An experimental group and a control group were showed ankylosing osteoarthritis, but an experimental group compared with a control group, alleviated In the fibrous ankylosis, destruction of articular cartilage and destruction of subchondral bony tissue. According to the above results, it might be considered that Catalpa Ovata has the suppression of the advance of the Collagen-induced arthritis and that result were presumed to bo connected with suppression of volume of the tumor necrosis $factor-{\alpha}$ and $interleukin-1{\beta}$ in the blood.

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The Change of Cell-cycle Related Proteins and Tumor Suppressive Effect in Non-small Cell Lung Cancer Cell Line after Transfection of p16(MTS1) Gene (폐암세포에 p16 (MTS1) 유전자 주입후 암생성능의 변화 및 세포주기관련 단백질의 변동에 관한 연구)

  • Kim, Young-Whan;Kim, Jae-Yeol;Yoo, Chul-Gyu;Han, Sung-Koo;Shim, Young-Soo;Lee, Kye-Young
    • Tuberculosis and Respiratory Diseases
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    • v.44 no.4
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    • pp.796-805
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    • 1997
  • Background : It is clear that deregulation of cell cycle progression is a hallmark of neoplastic transformation and genes involved in the $G_1$/S transition of the cell cycle are especially frequent targets for mutations in human cancers, including lung cancer. p16 gene product, one of the G1 cell-cycle related proteins, that is recently identified plays an important role in the negative regulation of the the kinase activity of the cyclin dependent kinase (cdk) enzymes. Therefore p16 gene is known to be an important tumor suppressor gene and is also called MTS1 (multiple tumor suppressor 1). No more oncogenes have been reported to be frequently related to multiple different malignancies than the alterations of p16 gene. Especially when it comes to non-small cell lung cancer, there was no expression of p16 in more than 70% of cell lines examined. And also it is speculated that p16 gene could exert a key role in the development of non-small cell lung cancer. This study was designed to evaluate whether p16 gene could be used as a candidate for gene therapy of non-small cell lung cancer. Methods : After the extraction of total RNA from normal fibroblast cell line and subsequent reverse transcriptase reaction and polymerase chain reaction, the amplified p16 cDNA was subcloned into eukaryotic expression plasmid vector, pRC-CMV. The constructed pRC-CMV-p16 was transfected into the NCI-H441 NSCLC cell line using lipofectin. The changes of G1 cell-cycle related proteins were investigated with Western blot analysis and immunoprecipitation after extraction of proteins from cell lysates and tumor suppressive effect was observed by clonogenic assay. Results : (1) p16(-) NCI-H441 cell line transfected with pRC-CMV-p16 showed the formation of p16 : cdk 4 complex and decreased phosphorylated Rb protein, while control cell line did not. (2) Clonogenic assay demonstrated that the number of colony formation was markedly decreased in p16(-) NCI-H441 cell line transfected with pRC-CMV-p16 than the control cell line. Conclusion : It is confirmed that the expression of p16 protein in p16 absent NSCLC cell line with the gene transfection leads to p16 : cdk4 complex formation, subsequent decrease of phosphorylated pRb protein and ultimately tumor suppressive effects. And also it provides the foundation for the application of p16 gene as a important candidate for the gene therapy of NSCLC.

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Improvement of the Result Related to Tumor Marker Test Through the OCS QC Program (OCS QC 프로그램을 통한 건진 센터 종양검사의 결과보고 개선)

  • Back, Song-Ran;Kim, Sung-Ho;Yoo, So-Yeon;Kim, Nyun-Ok;Moon, Hyoung-Ho;Yoo, Seon-Hee;Cho, Shee-Man
    • The Korean Journal of Nuclear Medicine Technology
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    • v.13 no.3
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    • pp.185-188
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    • 2009
  • Purpose: Standard of retests were discrepant and inconsistent due to inaccuracy and lack of standardization within normal range limit of tumor marker test. To enhance the standardization of retests set standard value below normal range and the Order Communication System Quality Control (OCS QC) program was put in place. This program enables managing the results within lower limit of normal range which were used for tumor marker test in Health Center. Materials and Methods: At present the tumor marker study for AFP, CEA, CA19-9, CA125, and PSA included outpatients in Asan Medical Center from February to March, 2009. The standard value was obtained by using the percentage of CV of Inter Assay according to the normal range of each tumor test. The results were confirmed by using the OCS QC program via formatted assessment of screening test such as test items, standard value and medical department. The number of out-of-range results within plus and minus 30 percents regarding the five primary items of tumor marker test was assessed. The next step was to obtain the number of AFP, CEA, and CA125 according to the ratio of comparison between prior and post test result, 60%, 50%, and 40% within normal range, respectively. In addition, set standard value below normal range. Results: The first screening test with percentage of sample number was resulted between 30%-40% and the second one was AFP 26.1%, CEA 18.9%, CA19-9 17.3%, CA125 18.7%, and PSA 21.0% obtained screening percentage of average 20 percents. The limited value of retest was AFP less than 5.0 and more than 10.0, CEA less than 1.0 and more than 3.0, CA19-9 less than 10.0 and more than 30.0, and PSA less than 1.0 and more than 2.0 to set and the number of retest was obtained by applying to the limited value of retest to screening percentage of average 20 percents For two months, the number of retest was AFP 0, CEA 15, CA19-9 3, CA125 2, and PSA 5. Conclusions: Through using the OCS QC program in establishing the standard of retest systemically, there appeared to be reduced discrepancy among the examiners and to be expected improvement in relation to the error of results.

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Approaches to the Analysis of Case-Control Studies of the Efficacy of Screening for Cancer

  • Weiss Noel S.;Mcknight Barbara;Stevens Nancy G.
    • 대한예방의학회:학술대회논문집
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    • 1994.02b
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    • pp.188-195
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    • 1994
  • To an increasing extent, case-control studies are being undertaken to determine if use of early detection procedures is associated with reduced mortality from cancer. The authors recommend that in such studies the analysis focus on screening activity in cases that occurs during an interval prior to diagnosis in which the cancer is believed to be detectable and still curable and to a corresponding time period in controls. This approach places a heavy burden on the investigator to estimate accurately the period during which the tumor ought to be detectable using the test in question and to sort out reliably tests done in response to signs or symptoms of the cancer from screening tests per se. Nonetheless, the authors feel that it offers the greatest ability to discern a true benefit of screening, while minimizing the numerous potential biases that can be present in this type of study.

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AN EXPERIMENTAL STUDY ON TUMOR INHIBITORY EFFECT OF RED GINSENG IN MICE AND RATS EXPOSED TO VARIOUS CHEMICAL CARCINOGENS

  • Yun Taik Koo;Yun Yeon Sook;Han In Won
    • Proceedings of the Ginseng society Conference
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    • 1980.09a
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    • pp.87-113
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    • 1980
  • This experiment was carried out to evaluate the effects of Korean ginseng extract on carcinogenesis induced by various chemical carcinogens. Red ginseng extract was used for this study and was administered orally to the experimental animals. Carcinogens that were injected in subscapsular region of ICR newborn mice within 24 hours after birth were 9,10-dimethyl-1,2-benzan-thracene (DMBA), urethane, N-2-fluorenylacetamide(AAF), aflatoxin $B_1$ and tobacco smoke condensate. N -methyl-N -nitroso-N'-nitroguani-dine(MNNG) was injected subcutaneously at the back of wistar rats. Experimental animals were autopsied in immediately after being sacrificed. All major organs were examined grossly and weighted. After fixation histopathological preparations were made for microscopical study. Following results were obtained. In DMBA group sacrificed at the 26th week after the treatment with DMBA, the incidence of lung adenoma was $77\%$ and the average number of the tumor was 17. However, in DMBA combined with red ginseng group, the incidence was $78\%$ and the average number of lung adenoma was 14.1. This indicates that ginseng extract had no effect on the incidence of lung adenoma but decreased the average number of lung adenoma by $17\%.$ In DMBA group sacrificed at the 48th week after the injection of DMBA, the lung adenoma incidence was $88\%.$ The average diameter of the largest lung adenoma was 3.5 cm, the incidence of diffuse pulmonary infiltration was $18\%$ and the average lung weight of male experimental mice was $528.2{\pm}469.1\;gm.$ On the other hand, in DMBA combined with red ginseng group sacrificed at the 48th week, the incidence of lung adenoma was $96\%.$ The average diameter of the largest adenoma was 2.7 cm, the incidence of diffuse pulmonary infiltration was $7\%$ and the average lung weight of male mice was $418.0{\pm}520\;gm.$ These observations show that ginseng extract did not have any inhibitory effect on the incidence of lung adenoma but decreased the average diameter of the largest lung adenoma by $23\%,$ the incidence of duffuse pulmonary infiltration by $63\%$ and the average lung weight of male experimental mice by $21\%.$ From these results we have found that the prolonged administration with ginseng extract showed no inhibitory effect on the incidence of adenoma but it had the inhibitory effect on the proliferation of lung adenomas induced by DMBA. In urethane group sacrificed at the 28th week after the injection of urethane, the incidence of lung adenoma was $94\%$ and the average number of lung adenoma was 8.6. In urethane combined with red ginseng group, the. incidence of lung adenoma was $73\%$ and the average number of adenoma was 6.0. These results indicate that there were $22\%$ decrease of the lung adenoma incidence and $31\%$ decrease of the average number of adenoma in urethane combined with red ginseng group. And in urethane group sacrificed at the 50th week, the incidence of lung adenoma was $98\%$ and the incidence of diffuse pulmonary infiltration was $14\%$. In urethane combined with ginseng group the incidence of lung adenoma was $85\%$ and the incidence of diffuse pulmonary infiltration was $12\%$. Therefore the ginseng administration resulted in $15\%$ decrease of the lung adenoma incidence and $14\%$ decrease of the diffuse pulmonary infiltration incidence. From these results we knew that the prolonged administration with ginseng extract inhibited the incidence and also the proliferation of the lung adenoma induced by urethane. Lung adenoma and hepatoma were induced in the experimental mice sacrificed at the 68th week but not in the experimental mice sacrificed at the 28th week after the injection of AAF. In AAF group sacrificed at the 68th week after the injection of AAF the incidence of lung adenoma was $18\%$ and the incidence of hepatoma was $27\%$. And in AAF combined with ginseng group the lung adenoma incidence was $12\%$ and the hepatoma incidence was $37\%$. So the ginseng seemed to decrease the lung adenoma incidence by AAF, but we were unable to conclude the significant inhibitory effect of the ginseng extract on the incidence of lung adenoma by AAF because the above incidence of lung adenoma were similar to that of control group which was $11\%$. And these experimental data revealed that ginseng extract didn't have any inhibitory effect on the incidence of hepatoma induced by AAF. In aflatoxin $B_1$ group sacrificed at the 56th week, the incidence of lung adenoma was $24\%$ and hepatoma was $11\%$. However in aflatoxin $B_1$ combined with ginseng group the incidence of lung adenoma was $17\%$ and hepatoma was $3\%$ These results indicate that there were $29\%$ decrease of the lung adenoma incidence and $75\%$ decrease of the hepatoma incidence in aflatoxin $B_1$ combined with ginseng group. In tobacco smoke condensate experimental group sacrificed at 67th week, no tumors were induced except just a few lung adenoma. The lung adenoma incidence both in tobacco smoke condensate group and in tobacco smoke condensate combined with ginseng group was $8\%$. And this incidence rate was similar to that of control group. These results indicate that the injection of 320 ug tobacco smoke condensate per ICR newborn mouse was unable to induce lung adenoma in our experiments. In MNNG group sacrificed at the 27th week the tumor incidence was $38.5\%$ and in MNNG combined with ginseng extract group was $37\%$. In MNNG group for investigation of the life span of tumor bearing rats the tumor incidence was $93\%$ and the average life span of tumor bearing rats was 318 days. And in MNNG combined with ginseng extract group the tumor incidence was $96\%$ and the average life span was 337 days. Tumor induced by MNNG was almost sarcoma. This indicates that there was no inhibitory effect of ginseng extract on the tumor incidence, but the extract prolonged the average life span of tumor bearing rats by approximately 19 days.

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