Fig. 5From: Ex vivo 18O-labeling mass spectrometry identifies a peripheral amyloid β clearance pathwayMass spectra of CSF spiked with Aβ1-40 and its proteolytic products, after incubation with a IDE, and b IDE and insulin. c Scatter plot of Aβ1-20 and Aβ1-40 versus log insulin conc. in PBS spiked with Aβ1-40 and IDE after incubation with insulin at different concentrationsBack to article page