Nicotinamide is an NAD+ precursor with crucial roles in cellular respiration and energy production. Here, the authors show that equilibrative nucleoside transporters 1 and 2 (ENT1 and ENT2), encoded by the genes SLC29A1 and SLC29A2, function in nicotinamide uptake into cells.
- Mingyang Chen
- Luexiang Yuan
- Huidi Jiang