Figure 1436

Phagocytosis of an apoptotic body by a renal tubular epithelial cell. Epithelial cells dying by apoptosis are not only phagocytosed by macrophages and leukocytes but by neighbouring epithelial cells as well. This electron micrograph shows a normal-looking epithelial cell containing an apoptotic body within a lyzosome. The nucleus of an epithelial cell that has ingested the apoptotic body is normal (white arrow). The wall of the lyzosome containing the apoptotic body (black arrow) is clearly visible. The apoptotic body consists of condensed chromatin surrounded by plasma membrane (black arrowheads).

DNA electrophoresis

Apoptic "ladder" pattern "

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Necrotic "smear" pattern

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