Abstract
Photoinduced structural and functional changes were studied in the subcellular membranes isolated from HpD treated cells. Changes in the limiting anisotropy of lipid specific probes 1,6,Diphenyl-1,3,5,hexatriene (DPH) and 1-(4-Trimethyl ammonium 1,6 diphenyl)-1,3,5,hexatriene toulene sulphonate (TMA-DPH) incorporated into the membrane were used to assess the structural alterations while changes in the activity of the marker enzymes were used to assess the functional alterations. Our results suggest that damage to the endoplasmic reticulum may play an important role in the photosensitization of brain tumor cells.
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