Linear, multivariate analysis of scratch assaysa.

aTotal number of assays n = 94.bEstimates relative effect of variable on fraction of closed area of the scratch after 8 hours relative to mock treatment. A negative coefficient indicates inhibition relative to control.cSEM, standard error of the mean.dUnadjusted p-value of F test for significance (p≤0.05 is considered significant.eIntercept term of the linear model.fn.s., not statistically significant.gTotal number of independent experiments n = 9.hCHP, control human plasma.iHuman IL6.jSN, supernatant fraction after exo quick kit.kPresence of Annexin V, which prevents exosome fusion.