This study investigated whether serum levels of the adhesion molecules VCAM-1, PECAM-1 and L-selectin, all of which have been implicated in normal immune function, change soon after birth. Moreover, the dependence of serum levels of the above-mentioned adhesion molecules on sex and mode of delivery was studied. In healthy neonates, serum levels of L-selectin, PECAM-1, and VCAM-1 do not change during early neonatal life. Thus, significant differences in their serum concentrations soon after birth might imply inflammatory processes or deranged endothelial homeostasis, serving as possible diagnostic markers.
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