Determination of cell percentage of early apoptosis in cancerous LNCaP cells following TA application (A, Control; B, 25 μM; C, 50 μM; D, 100 μM) for 48 h with LNCaP. Live cells FITC (-) / PI(-), early apoptotic cells (FITC (+) / PI (-), necrotic or late apoptotic cells FITC (+) / PI (+).