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. Author manuscript; available in PMC: 2015 Jan 30.
Published in final edited form as: Curr Neurovasc Res. 2013 Nov;10(4):297–303. doi: 10.2174/15672026113109990022

Table 2. Stability of Secreted Amyloid-Precursor Protein sAPP-α and -β levels in Platelets Isolated after 3hr or 24hr.

sAPP-α sAPP-β
after 3hr 368±79 605±206
after 24hr 341±46 657±233
t value −1.25 −0.25
t-probability 0.23 0.79
correlation 0.71 0.59
corr. probability 0.008 0.032

Platelets were isolated from blood after 3hr or after 24hr (same blood, splitted). (n=13). Statistical analysis was performed by a paired T-test. Note that the sAPP levels were stable for up to 24 hr in blood.