A Little Telomerase Isn''t Enough

... With seed money from Johns Hopkins Institute of Cell Engineering, a Johns Hopkins geneticist and her team have discovered a critical link between the health of stem cells and the length of the chromosome ends within them. Chromosome ends, or telomeres, are repetitive stretches of DNA that protect chromosomes in much the same way as plastic tips on shoelaces prevent the fabric from fraying... click link for more info. ...