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Telomerase activity in previously KSHV/HHV8-infected keratinocytes after 8 weeks in culture. Lanes: 1 to 3, telomerase-positive cell lines (positive controls); 4, positive control after heat treatment; 5, telomeric DNA; 6, normal keratinocytes (negative control); 7 and 10, two parallel cultures of previously infected keratinocytes showing the presence of telomerase activity; 8 and 9, same cultures after heat treatment.
