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某些口服化合物对X射线辐射的防护作用。

Protection against X-irradiation by some orally administered compounds.

作者信息

Vos O, Roos-Verhey W S

出版信息

Int J Radiat Biol Relat Stud Phys Chem Med. 1984 May;45(5):479-86. doi: 10.1080/09553008414550681.

DOI:10.1080/09553008414550681
PMID:6609900
Abstract

A number of compounds were studied that protected mice against LD50/30 after X-irradiation. For three compounds (WR 109342, WR 158490 and WR 159243) dose reduction factors between 1.7 and 1.8 were obtained after oral administration. Blood taken from mice that had been treated with these protective compounds provided virtually no protection of HeLa cells in vitro, whereas when blood from cysteamine treated mice was tested in vitro, protection could be demonstrated. This may indicate different mechanisms of action.

摘要

研究了多种化合物,这些化合物在X射线照射后可保护小鼠免受半数致死剂量(LD50)的30%剂量影响。对于三种化合物(WR 109342、WR 158490和WR 159243),口服给药后获得了1.7至1.8之间的剂量降低系数。从用这些保护化合物处理过的小鼠身上采集的血液在体外几乎不能保护HeLa细胞,而当测试半胱胺处理过的小鼠的血液时,在体外可证明有保护作用。这可能表明作用机制不同。

相似文献

1
Protection against X-irradiation by some orally administered compounds.某些口服化合物对X射线辐射的防护作用。
Int J Radiat Biol Relat Stud Phys Chem Med. 1984 May;45(5):479-86. doi: 10.1080/09553008414550681.
2
Chemical protection against gastrointestinal radiation injury in mice by WR 2822, WR 2823, or WR 109342 after 4 MeV X ray or fission neutron irradiation.WR 2822、WR 2823或WR 109342对4兆电子伏特X射线或裂变中子照射后的小鼠胃肠道辐射损伤的化学防护作用。
Int J Radiat Oncol Biol Phys. 1982 Mar-Apr;8(3-4):547-51. doi: 10.1016/0360-3016(82)90681-2.
3
Irradiation of mice pre-treated with radiation protective substances. A pathologic and haematologic investigation.对预先用辐射防护物质处理过的小鼠进行照射。一项病理学和血液学研究。
Acta Radiol Oncol Radiat Phys Biol. 1978;17(2):125-37. doi: 10.3109/02841867809127913.
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2-Mercaptoacetamidine and derivatives as antiradiation agents.
J Med Chem. 1972 Dec;15(12):1313-21. doi: 10.1021/jm00282a027.
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Pathological evaluation of WR-151327 administered orally in irradiated and non-irradiated male mice.对经口给予WR-151327的辐照和未辐照雄性小鼠进行病理学评估。
Ann Clin Lab Sci. 1992 May-Jun;22(3):182-8.
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In vitro evaluation of some latent radioprotective compounds.某些潜在辐射防护化合物的体外评估
Int J Radiat Biol Relat Stud Phys Chem Med. 1976 Nov;30(5):433-48. doi: 10.1080/09553007614551251.
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Radiation protection by oral administration of L-cysteine ethyl ester hydrochloride in mice.盐酸L-半胱氨酸乙酯口服给药对小鼠的辐射防护作用。
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[Radioprotective effect of cysteamine entrapped in liposomes orally administered to the mouse].
C R Seances Acad Sci III. 1982 Sep 27;295(3):191-3.

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