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  • Title: Effects of mercuric chloride on synchronized Chinese hamster ovary cells: survival and DNA replication.
    Author: Kasschau MR, Elder J, Meyn RE.
    Journal: Chem Biol Interact; 1977 Aug; 18(2):205-15. PubMed ID: 560920.
    Abstract:
    Chinese hamster ovary (CHO) cells in vitro were treated with HgCl2 at various stages in the cell cycle and the effects of this chemical on cell survival, DNA replication, and cell division were observed. In terms of survival the early G1 cells were the most sensitive to treatment, followed by late G1 and early S, while mid S and late S-G2 treated cells were the least sensitive. Treatment with HgCl2 also resulted in reduced rates of DNA replication and delays in cell division. The early G1 treated cells showed substantially reduced rates of DNA replication followed by 4--5 h division delay. The early S and late S-G2 treated cells had some reduction in their rates of DNA replication followed by corresponding division delay of 2.5 h in the early S treated cells and 1 h in the late S-G2 treated cells.
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