[Quantitative analysis of the interaction of low-density lipoproteins with perfused rabbit aorta].

A method for quantitative analysis of interaction between 125I-LDL with perfused rabbit vessels in situ was developed. The method suggested enables the preservation of the integrity of the endothelium in the perfused vascular segment and the study of 125I-LDL incorporation into the affected vessels within the concentration ranges that make possible specific incorporation of LDL into cells. The method can be applied to studying the mechanisms and modulations of LDL uptake by the vascular wall in situ.