The same is now possible in gene editing. Rather than employ separate tools for editing genes and regulating their expression, these distinct goals can now be combined into a single tool that can ...

Some genes are beneficial and enhance longevity. For example, the gene that helps a person metabolize cholesterol would reduce a person's risk of heart disease. Some gene mutations are inherited.

Each gene tells a cell to make a specific molecule, but this isn't performed by the DNA itself. Instead, the information is relayed to cellular machinery by a molecule called messenger RNA.

New work by Columbia researchers has turned a textbook principle of genetics on its head and revealed why some people who carry disease-causing genes experience no symptoms. Every biology student ...