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Glioblastoma multiforme are considered to be aggressive high-grade tumors with poor prognosis for patient survival. Photodynamic therapy is one of the adjuvant therapies which has been used for glioblastoma multiforme during last decade. Hypericin, a photosensitizer, can be employed in this treatment. We have studied the effect of hypericin on PKCδ phosphorylation in U87 MG cells before and after...
Cell exposure to light-independent effects of photosensitizers (PS) used in PDT is clinically relevant when PS affect the pro-apoptotic cascade. In many malignant cells, Hypericin (Hyp) has PS displayed light-dependent anti-proliferative and cytotoxic effects with no cytotoxicity in the dark. Recent studies have shown that Hyp also exhibited light-independent cytotoxic effects in a wide range of concentrations...
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