The phrase "naked mole" refers to a type of mole that has very little hair or fur on its body. It is often called "naked" because its skin is exposed without much covering. Full definition
But the cells of naked mole rats behave as if they are «claustrophobic», ceasing to divide much sooner than cells from other species. (scientificamerican.com)
They reported that a factor in the cells of naked mole rats protects and alters the activity of the proteasome, a garbage disposer for damaged and obsolete proteins. (sciencedaily.com)
The researchers also found that contact inhibition in naked mole rats is controlled by two genes, p16 and p27, while in humans it is primarily controlled by p27. (newscientist.com)