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The influence of 48 h of exposure of T. pratense extracts on phosphatidylserine externalization on the outer membrane leaflet of apoptotic cells and membrane permeabilization detected with Annexin-V in MDA-MB-231 (A), MCF-7 (B) and HUVEC (C) cells. Values are means ± standard deviations, n ≥ 6; statistical significance was calculated versus control cells (untreated); * p ≤ 0.05, ** p ≤ 0.01.
