"Variant:p.(Lys670_Met671delinsAsnLeu). Variant:p.Met671Leu. Evidence sentence:We investigated the effect of the familial AD APP (Amyloid precursor protein) K670N/M671L double mutation, APP Swedish mutation (APPswe), on the expression of 5-HT1B, SERT, MAOA, p11 and 5-HT and its metabolite 5-HIAA in SH-SY5Y human neuroblastoma cell line stably transfected with APPswe mutation. Abstract Section: RESULTS."xsd:string