ATLANTA — The US Institute of Medicine (IOM) is looking into whether polio vaccines contaminated with the simian virus SV40 — thought to inactivate p53 and Rb — and given 40 years ago have caused a ...

Figure 1: Bovine adrenocortical cells were established in culture and transfected with SV40 large T-antigen and the catalytic protein component of telomerase (hTERT). Slowing the rate of telomere ...