telomeres

They also had tumors, ranging from benign, like goiters and uterine fibroids, to malignant, like those from melanoma and blood cancers. During the two-year study, four patients died of a variety of cancers.Harriet Brown, 73, of Frederick,…

Changes in the brain caused by Alzheimer's disease are associated with shortening of the telomeres -- the protective caps on the ends of chromosomes that shorten as cells age -- according to a new study led by Anya Topiwala of Oxford…

Once thought incapable of encoding proteins due to their simple monotonous repetitions of DNA, tiny telomeres at the tips of our chromosomes seem to hold a potent biological function that's potentially relevant to our understanding of…

As we age, the end caps of our chromosomes, called telomeres, gradually shorten. Now, Salk scientists have discovered that when telomeres become very short, they communicate with mitochondria, the cell's powerhouses. This communication…

SARS-CoV-2 causes the pandemic coronavirus disease COVID-19, that is more harmful for elderly people, who show more severe symptoms and are at higher risk of hospitalization and death. A group of Italian and American researchers led by…