title: Faliure to demonstrate desmosterol in spinal fluid of brain tumor patients.
mesh_terms: D000818:Animals; D001254:Astrocytoma / Q000134:cerebrospinal fluid* / Q000188:drug therapy; D001932:Brain Neoplasms / Q000134:cerebrospinal fluid* / Q000188:drug therapy; D002784:Cholesterol / Q000134:cerebrospinal fluid; D002849:Chromatography, Gas; D046508:Culture Techniques; D003897:Desmosterol / Q000134:cerebrospinal fluid; D005909:Glioblastoma / Q000134:cerebrospinal fluid* / Q000188:drug therapy; D005910:Glioma / Q000134:cerebrospinal fluid* / Q000188:drug therapy; D006801:Humans; D008727:Methotrexate / Q000627:therapeutic use; D009837:Oligodendroglioma / Q000134:cerebrospinal fluid* / Q000188:drug therapy; D051381:Rats; D013261:Sterols / Q000134:cerebrospinal fluid*; D014308:Triparanol / Q000627:therapeutic use
chemical_list: D013261:Sterols; D003897:Desmosterol; D014308:Triparanol; D002784:Cholesterol; D008727:Methotrexate