Ultrastructural identification of cells with dendritic cell appearance in atherosclerotic aorta of apolipoprotein E deficient mice.
Copyright policy )Ultrastructural identification of cells with dendritic cell appearance in atherosclerotic aorta of apolipoprotein E deficient mice.
The present electron microscopic study was undertaken to see whether cells with a dendritic cell appearance accumulate in atherosclerotic lesions of apolipoprotein E (apoE) deficient mice. Atherosclerotic aortas from 7 eight-month old apoE deficient mice were examined. In atherosclerotic plaques as well as in the underlying media and adventitia, cells with a dendritic cell appearance including the presence of a unique tubulovesicular system were detected. The tubulovesicular system was most hypertrophied in their cellular processes where the continuous cisterns sometimes formed circular structures. The cells containing the tubulovesicular system lacked lysosomes and phagolysosomes and their cytoplasm was free of lipid inclusions. The present observations suggest that dendritic cells are involved in apoE deficient mouse atherosclerosis. ApoE deficient mice might be a useful model for investigating functions of dendritic cells in atherogenesis.
- St Vincent's Hospital Australia
Mice, Knockout, Arteriosclerosis, Dendritic Cells, Mice, Inbred C57BL, Mice, Microscopy, Electron, Apolipoproteins E, Phagosomes, Animals, Lysosomes, Aorta
Mice, Knockout, Arteriosclerosis, Dendritic Cells, Mice, Inbred C57BL, Mice, Microscopy, Electron, Apolipoproteins E, Phagosomes, Animals, Lysosomes, Aorta
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