SLC6A9 is a gene that encodes a protein known as a sodium-dependent neurotransmitter transporter. This protein is primarily involved in the transport of glycine, an important neurotransmitter in the central nervous system. By regulating glycine levels, SLC6A9 plays a crucial role in maintaining proper neuronal function and communication. Mutations or alterations in the SLC6A9 gene can lead to various neurological disorders. Research has shown that changes in this gene may be linked to conditions such as schizophrenia and epilepsy. Understanding SLC6A9's function can help in developing targeted therapies for these and other related disorders.