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랫드에서 Alginase의 급성 및 4주간 정맥 내 반복투여 독성시험에 관한 연구
임종희,남정석,제정환,이광훈,이학모,이원우,이병희,정지윤,박재학,이영순,Ihm, Jong-Hee,Nam, Jeong-Seok,Che, Jeong-Hwan,Li, Guang-Xun,Lee, Hak-Mo,Lee, Won-Woo,Yi, Beoung-Hi,Jung, Ji-Youn,Park, Jae-Hak,Lee, Yong-Soon 한국독성학회 1998 Toxicological Research Vol.14 No.3
Alginase$Alginase^{ⓡ}$ (Arginine esterase) is one of the snake venoms which is mainly consisted of arginine esterase and acts as a thrombus -forming inhibitor/thrombus-lysin. These present studies were performed to investigate of the acute and subacute toxicity of the Alginase$Alginase^{ⓡ}$ in rats. In acute toxicity study, rats were single administered intravenously with dosages of 0.001, 0.01. 0.1, 1 and 10U/kg B.W. and examined the number of death, clinical sign, body weight and pathological change for 7days after administration of Alginase$Alginase^{ⓡ}$. At maximum dose level (10U/kg B.W.), Alginase$Alginase^{ⓡ}$ induced symptoms of shock with cyanosis and dyspnea. But these symptoms dissappeared after 30~50 minutes and we could not find any other toxic effect in rats. Therefore, $LD_{50}$ Value of Alginase was over 10U/kg B.W. in rats. In four-week intravenous toxicity study of Alginase$Alginase^{ⓡ}$, rats were administered intravenously seven days per week for 28 days, with dosages of 0, 0.0125, 0.125 and 1.25U/kg B.W./day, respectively. Alginase$Alginase^{ⓡ}$ did not caused any death and showed any clinical signs in rats. No significant Alginase$Alginase^{ⓡ}$ -related changes were found in feed uptake, water consumption, hematology, serum biochemistry, urinalysis, ocular examination, organ weight and histopathological examination. From the results, Alginase$Alginase^{ⓡ}$ seems not to have any toxic effect in rats when it were given daily intravenous injections below the dosage 1.25U/kg B.W./day for four weeks.
Acute Toxicity Test with the Ginkgo biloba Extract(EGb 761) in Rats and Rabbits
Yong-Soon Lee(이영순),Jeong-Seok Nam(남정석),Jeong-Hwan Che(제정환),Suk-Man Lee(이석만),Jae-Man Yang(양재만),Byeong-Cheol Kang(강병철),Hak-Mo Lee(이학모),Jae Hak Park(박재학),Sung-An Kang(강성안) 한국실험동물학회 1996 Laboratory Animal Research Vol.12 No.1
정지윤,이원우,임종희,남정석,제정환,이광훈,강병철,이병희,박재학,이영순,Jung, Ji-Youn,Lee, Won-Woo,Ihm, Jong-Hee,Nam, Jeong-Seok,Che, Jeong-Hwan,Li, Guang-Xun,Kang, Byeong-Cheol,Yi, Beoung-Hi,Park, Jae-Hak,Lee, Yong-Soon 한국독성학회 1998 Toxicological Research Vol.14 No.3
In order to evaluate the mutagenic potential of Intralipidos produced by Greenmate cooperation. We performed Salmonella typhimurium reversion assay, chromosomal aberration test on chinese hamster ovarian cells and in vivo micronucleus assay using mouse bone marrow cells. In the reverse mutation test using Salmonella typhimurium TA98 and TA100, Intralipidos did not increase the number of revertant at any of the concentration tested in this study. Intralipidos did not increase the number of cells having structural or numberical chromosome aberration in cytogenetic test. In mouse micronucleus test, no significant increase were observed in the occurrence of micornucleated polychromatic erythrocytes in ICR male mice intraperitoneally administered with Intralipidos. These results indicate that Intralipidos has no genetic toxicity under these experimental conditions.