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      Stimulation of Suicidal Erythrocyte Death by Garcinol.

      Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology
      S. Karger AG

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          Abstract

          The benzophenone garcinol from dried fruit rind of Garcinia indica counteracts malignancy, an effect at least in part due to stimulation of apoptosis. The proapototic effect of garcinol is attributed in part to inhibition of histone acetyltransferases and thus modification of gene expression. Moreover, garcinol triggers mitochondrial depolarisation. Erythrocytes lack gene expression and mitochondria but are nevertheless able to enter apoptosis-like suicidal death or eryptosis, which is characterized by cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the erythrocyte surface. Stimulators of eryptosis include oxidative stress, energy depletion and Ca2+ entry with increase of cytosolic Ca2+ activity ([Ca2+]i). The present study explored, whether and how garcinol induces eryptosis.

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          Journal
          26356270
          10.1159/000430397

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