Ramaiya L K, Pomerantseva M D, Chekhovich A V, Lyaginskaya A M, Kuznetsov A S
N.I. Vavilov Institute of General Genetics Russian Academy of Sciences, Moscow.
Mutat Res. 1994 Aug;324(4):139-45. doi: 10.1016/0165-7992(94)90011-6.
A comparative estimation of the frequencies of genetic disorders induced in germ cells of male mice by a single or long-term exposure to incorporated 137Cs or to external gamma-radiation has been carried out. The frequencies of dominant lethal mutations induced by a single exposure were similar with both types of radiation. In stem cell spermatogonia the frequency of reciprocal translocations was significantly lower in the case of single 137Cs administration than upon external gamma-radiation. Upon long-term administration the genetic efficiencies of both types of radiation were similar.
对雄性小鼠生殖细胞因单次或长期暴露于掺入的137Cs或外部γ辐射而诱发的遗传疾病频率进行了比较评估。单次暴露诱发的显性致死突变频率在两种辐射类型中相似。在干细胞精原细胞中，单次给予137Cs时相互易位的频率显著低于外部γ辐射时。长期给药时，两种辐射类型的遗传效应相似。
