Rat anti-Mouse THY1 monoclonal antibody for IHC. Quinolinic acid is anaturally occurring toxin in the central nervous system believed to play arole in AIDS dementia complex. A metabolite of tryptophan with a possiblerole in neurodegenerative disorders. Elevated csf levels of quinolinic acidare significantly correlated with the severity of neuropsychological deficitsin patients who have aids.