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. Author manuscript; available in PMC: 2010 Jul 14.
Published in final edited form as: J Alzheimers Dis. 2010;20(2):637–646. doi: 10.3233/JAD-2010-1397

Figure 2. Age related changes in Aβ in Canine CSF.

Figure 2

(A) Aβ40 remains relatively constant with age while Aβ42 decreases slightly; (B) Aβ42, expressed as a percentage of total Aβ, decreases linearly with age in the CSF; (C) The percentage of CSF Aβ42 is inversely correlated to the amount of formic acid extractable Aβ in the brain; (D) Although the relationship is weaker, CSF Aβ42 percentage is also inversely correlated with prefrontal immunohistochemical Aβ42 load.