Retinoic acid, the active state of Vitamin A, appears to regulate how stem cells enter and exit a transient state central to their role in wound repair.
uLIPSTIC, an updated method for directly observing physical interactions between cells, could allow scientists to one day map every possible cell interaction.
A novel platform allows researchers to directly target enzymes implicated in infectious diseases, several genetic disorders, and some cancers for the first time.
The end replication problem dictates that telomeres shrink unless telomerase intervenes. But the problem is actually twice as complicated, with telomerase providing only part of the solution.
