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Fig. 5 | Alzheimer's Research & Therapy

Fig. 5

From: Glutaminyl cyclase activity correlates with levels of Aβ peptides and mediators of angiogenesis in cerebrospinal fluid of Alzheimer’s disease patients

Fig. 5

Correlation of CSF QC activity (mU/L) or Aβ40 with log-transformed levels of Flt1, Tie2, ICAM-1, VEGFD and VCAM-1. QC activity with a Flt1, b Tie2, c VCAM-1, e VEGFD and f ICAM-1. d Aβ40 with Flt1. Different diagnosis groups are colour coded (green: control, blue: mild AD, red: moderate AD). Pearson’s correlation coefficient with p values given for each parameter and group. Ellipses give 95% CI of the scatter for each group. Width and sloop of ellipses give a visual impression of strength of correlation: slim ellipses with sloops clearly different from 0 or 1 characterize high correlation of both parameters whereas wide ellipses with sloops narrow to 0 or 1 indicate less or no correlation. AD Alzheimer’s disease, QC glutaminyl cyclase (Colour figure online)

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