Eruptive xanthoma model reveals endothelial cells internalize and metabolize chylomicrons, leading to extravascular triglyceride accumulation
Cabodevilla AG, Tang S, Lee S, Mullick AE, Aleman JO, Hussain MM, Sessa WC, Abumrad NA, Goldberg IJ. Eruptive xanthoma model reveals endothelial cells internalize and metabolize chylomicrons, leading to extravascular triglyceride accumulation. Journal Of Clinical Investigation 2021, 131: e145800. PMID: 34128469, PMCID: PMC8203467, DOI: 10.1172/jci145800.Peer-Reviewed Original ResearchConceptsLPL-deficient miceScavenger receptor BISkin macrophagesEruptive xanthomasStudy of patientsLipid droplet biogenesisAccumulation of triglyceridesEndothelial cell barrierLipoprotein lipase hydrolysisChylomicron uptakeDroplet biogenesisReceptor BITG accumulationTissue uptakeTriglyceride accumulationDietary lipidsChylomicronsEndothelial cellsLipid accumulationAortic ECsLipid dropletsMacrophagesTriglyceridesHyperchylomicronemic patientsCultured ECs