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Annexin V-FineTest®Violet 450/PI Apoptosis Kit
Annexin V-FineTest®Violet 450/PI apoptosis detection kit can be used to detect apoptosis in suspension cells and adherent cells. Annexin V is a calcium-dependent phosphatidylserine binding protein with a high affinity for phosphatidylserine PS. Annexin V labelled FineTest®Violet 450 can bind to the membrane of early apoptotic cells by means of the PS exposed outside the cells. Apoptosis can be detected by flow cytometry or fluorescence microscopy. Propidium Iodide (PI) binds specifically to double-stranded DNA and produces strong fluorescence, which is normally unable to penetrate cell membranes. Due to late apoptotic or necrotic cell membrane loss of integrity, PI can enter cells to stain DNA and, when used in combination with Annexin V, distinguish cells at different stages of apoptosis. The following figure shows the apoptosis effect of Jurkat cells induced by camptothecin detected by this kit.
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K138 — Annexin V-FineTest®Violet 450/PI Apoptosis Kit