Abstract: The invention relates to subtype-selective NMDA receptor ligands and the use thereof for treating or preventing neuronal loss associated with stroke, ischemia, CNS trauma, hypoglycemia and surgery, as well as treating neuro-degenerative diseases including Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease and Down's syndrome, treating or preventing the adverse consequences of the overstimulation of the excitatory amino acids, treating anxiety, psychosis, convulsions, aminoglycoside antibiotics-induced hearing loss, migraine headache, chronic pain, Parkinson's disease, glaucoma, CMV retinitis, urinary incontinence, opioid tolerance or withdrawal, and inducing anesthesia, as well as for enhancing cognition.

Abstract: The present invention relates to methods and compositions for the inhibition of adaptor protein/protein tyrosine kinase protein interactions, especially wherein those interactions involving a protein tyrosine kinase capable of completing with a member of the SH2- and/or SH3-containing family of adaptor proteins are associated with a cell proliferative disorder. Specifically, the present invention relates to particular compounds, especially quinazoline derivative compounds, and methods utilizing such compounds.