D-Serine Is a Substrate for Neutral Amino Acid Transporters ASCT1/SLC1A4 and ASCT2/SLC1A5, and Is Transported by Both Subtypes in Rat Hippocampal Astrocyte Cultures. oleh Alan C Foster, Jill Farnsworth, Genevieve E Lind, Yong-Xin Li, Jia-Ying Yang, Van Dang, Mahmud Penjwini, Veena Viswanath, Ursula Staubli, Michael P Kavanaugh