SLC44A1 (Solute Carrier Family 44 Member 1) is a gene that encodes a protein responsible for transporting choline, an essential nutrient involved in producing the neurotransmitter acetylcholine and maintaining cell membrane structure. This transporter supports vital processes such as nerve signaling and cell health. Disruptions in choline transport can impact brain function and have been associated with neurological disorders like Alzheimer’s disease.