Meyn R E, Humphrey R M
Biophys J. 1971 Mar;11(3):295-301. doi: 10.1016/S0006-3495(71)86215-X.
Two mammalian cell lines, Chinese hamster ovary (CHO) which can recover colony-forming ability between fractionated doses of ultraviolet light (UV), and Chinese hamster B-14FAF28 which cannot recover, were tested for the ability to bypass UV-induced photoproducts in DNA during postirradiation DNA synthesis. The molecular weight distributions of newly synthesized DNA in UV-irradiated populations of both cell lines showed evidence for photoproduct bypass. Hence, the bypass mechanism does not correlate with recovery after UV.
两种哺乳动物细胞系,即能够在紫外线(UV)分次照射剂量之间恢复集落形成能力的中国仓鼠卵巢(CHO)细胞系和不能恢复的中国仓鼠B - 14FAF28细胞系,被测试了在照射后DNA合成过程中绕过DNA中UV诱导光产物的能力。两种细胞系经UV照射群体中新合成DNA的分子量分布均显示有光产物绕过的证据。因此,绕过机制与UV照射后的恢复无关。