1.   And if they could shorten the telomeres of cancer cells, they might cure cancer.

2.   The sheep cloned from a fetal cell did not have shortened telomeres, they reported.

3.   Cancer researchers hypothesised if cancer cells had a mechanism to circumvent the mechanism of shortening the telomeres leading to cell death.

4.   In normal cells, the telomeres are shortened slightly each time the cell divides.

5.   In normal cells, the DNA telomeres are shortened slightly each time a cell divides.