chromosomal

Healthy cells work hard to maintain the integrity of our DNA, but occasionally, a chromosome can get separated from the others and break apart during cell division. The tiny fragments of DNA then get reassembled in random order in the new…

A graduate student's curiosity has uncovered a previously unknown link between two important hallmarks of cancer: chromosomal instability and epigenetic alterations. The resulting study, which was published June 7 inNature, not only opens a…

The Epstein-Barr virus (EBV) is easily spread through bodily fluids, primarily saliva, such as kissing, shared drinks or using the same eating utensils. Not surprisingly then, EBV is also among the most ubiquitous of viruses: More than 90%…

A new prenatal test developed by researchers at Columbia University Fertility Center can determine if a fetus or embryo has the right number of chromosomes at a fraction of the time and cost of currently available clinical genetic tests.…