Different sensitivity to cell killing and chromosome mutation induction by gamma rays in two human lymphoblastoid cell lines derived from a single donor: possible role of apoptosis.


The gamma-ray sensitivity of two human lymphoblastoid cell lines, TK6 and WI-L2-NS, was studied; both cell lines are derived from the same parent, WI-L2. TK6 was more sensitive to the cytotoxic effects of gamma rays, but showed fewer induced chromosome aberrations. There was no difference between the two cell lines in their capacity to rejoin DNA double… (More)


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