On the other hand, the tyrosine-based JPH203 (KYT-0353) molecule was reported as a competitive, potent and highly specific 4F2hc-LAT1 inhibitor with strong inhibitory effects on the growth of different cancer cells (Oda et al., 2010; Yun et al., 2014; Häfliger et al., 2018). The gene discussed is SLC7A5; the disease is cancer.