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The alkaline single-cell gel electrophoresis (SCGE) assay, called the comet assay, has been applied to detect DNA damage induced by a number of chemicals and biological factors in vivo and in vitro. The DNA damage was analysed by tail moment (TM) and tail length (TL), which were markers of DNA strand breaks in SCGE. Human, mouse and rat peripheral blood lymphocytes (PBLs) were irradiated with different doses of 60Co g-rays, e.g. 1, 2, 4, and 8 Gy at a dose rate of 1 Gy/min. A dose-dependent increase in TM (p < 0.01) and TL (p < 0.01) was obtained at all the radiation doses (1-8 Gy) in human, mouse and rat PBLs. Mouse PBLs were more sensitive than human PBLs which were in turn more sensitive than rat PBLs when the treated dosages were 1 and 2 Gy. However, human PBLs were more sensitive than mouse PBLs which were in turn more sensitive than rat PBLs when the irradiation dosages were 4 and 8 Gy. Data from all three species could be fitted to a linear-quadratic model. These results indicated that there may be inherent differences in the radio-sensitivity among PBLs of mammalian species.

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참고문헌 (23건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 (1984) Radiation-induced DNA damage and cellular lethality in cultured mammalian cells, 미소장
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3 (1970) the size of the DNA in the mammalian chromosome. Structural subunits., 미소장
4 (1976) Fractionation of DNA from mammalian cells by alkaline elution, 미소장
5 (1980) Detection of induced DNA strand breaks with improved sensitivity in human cells, 미소장
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7 (1988184-191) A simple technique for quantitation of low levels of DNA damage in individual cells, 미소장
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10 (2000) Comparative evaluation of the vitro micronucleus test and the comet assay for the detection of genotoxic effects of X-ray radiation. , 미소장
11 Radiation-induced human chromosome aberration yields following an accidental whole-body exposure to 60Co-rays.Radiat.Res, 미소장
12 (1983) Biologically and physically recorded doses after an accidental exposure to 60Co-gamma rays, 미소장
13 (biol) .Int.J, 미소장
14 (1995) Induction of DNA single-strand breaks in human lymphocytes by low doses of g-ray. Int., 미소장
15 (2001) Relationship between cellular radiosensitivity and DNA damage measured by comet assay in human normal, NBS and AT fibroblasts. Int., 미소장
16 (2001) Radiation sensitivity of lymphocytes from healthy individuals and cancer patients as measured by the comet assay. Radiat. Environ, 미소장
17 (2001) Gamma ray induced DNA damage in human and mouse leucocytes measured by SCGE-Pro: a software developed for automated image analysis and data processing for Comet assay, 미소장
18 (1997) Induction of micronuclei in human, goat, rabbit peripheral blood lymphocytes and mouse splenic lymphocytes irradiated in vitro with gamma radiation., 미소장
19 (1991) Sister-chromatid exchange in human B- and T-lymphocytes exposed to bleomycin, cyclophosphamide, and ethyl methanesulfonate., 미소장
20 (1993181-188) Radiation induced micronuclei in subpopulations of human lymphocytes, 미소장
21 (1995) Differences in basal and induced DNA single-strand breaks between human peripheral monocytes and lymphocytes. , 미소장
22 (1992) Induction of DNA repair synthesis in human monocytes/B-lymphocytes compared with T-lymphocytes after exposure to N-acetoxy-N-acetylaminofluorene and dimethylsulfate in vitro, 미소장
23 (1991) The cytokinesis-block micronucleus assay as a biological dosimeter in spleen and peripheral blood lymphocytes of the mouse following acute whole-body irradiation, 미소장