FOLH1 and neoplasm: Prostate-specific membrane antigen (PSMA) also known as glutamate carboxypeptidase II (GCPII), N-acetyl-L-aspartyl-L-glutamate peptidase I (NAALADase I), or N-acetyl-aspartyl-glutamate (NAAG) peptidase is one potential target for tumor neovasculature.