Effect of DNA-damaging agents on isolated spleen cells and lung fibroblasts from the mouse mutant "wasted," a putative animal model for ataxia-telangiectasia.
Ataxia-Telangiectasia: me, Bleomycins, Disease-Models-Animal, DNA: bi, re, DNA-Repair, Fibroblasts: me, re, Gamma-Rays, In-Vitro, Lung: me, Mice, Mice-Mutant-Strains, Spleen: me, SUPPORT-NON-U-S-GOVT, SUPPORT-U-S-GOVT-P-H-S, 4-Nitroquinoline-1-Oxide
Cancer-Res. 1986 Aug; 46(8):3979-82.
Spleen cells from control and wasted (wst) mice, a putative animal model for the human genetic disease ataxia-telangiectasia, were tested for inhibition of replicative (semiconservative) DNA synthesis after treatments with bleomycin, gamma-irradiation, 4-nitroquinoline 1-oxide, and ultraviolet irradiation. The wasted cells were found to be more resistant than control cells to the first three treatments, but equally sensitive to ultraviolet light. Bleomycin-stimulated repair synthesis in spleen cells was also studied by the CsCl/bromodeoxyuridine method and found to be similar in cells from wasted and control animals. Similarly, no differences in sensitivity to killing by gamma-rays, as manifested by relative cloning efficiencies, were demonstrated between primary lung fibroblasts from mutant and control mice. We concluded that observed defects in DNA repair in wasted cells are not identical to those reported in human cells from ataxia-telangiectasia patients.
Inoue, T; Aikawa, K; Tezuka, H; Kada, T; and Shultz, L D., " Effect of DNA-damaging agents on isolated spleen cells and lung fibroblasts from the mouse mutant "wasted," a putative animal model for ataxia-telangiectasia." (1986). Faculty Research 1980 - 1989. 758.
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