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- W2152565136 abstract "Deregulation of cell proliferation and apoptosis is linked to malignant cell development. Leukemia is the most frequent cancer in children, and plants are important sources for new potential anti-cancer agents. Although anti-tumoral effects have been shown for Pterodon pubescens extracts, the mechanisms are still obscure. This study describes in Pterodon pubescens a furane diterpene only reported in Pterodon polygalaeflorus, the methyl-6α-acetoxy-7β-hydroxyvouacapan-17β-oate, indicated by HRMS and 13C-NMR analysis, and demonstrates some mechanisms of the anti-leukemia action of its terpene subfraction SF5. SF5 induced cytotoxic and anti-proliferative effects on K562 cells. Increased sub-G1 nuclei and Annexin V+-FITC cells confirmed apoptosis of leukemic cells by treatment of these cells with SF5. Down-regulation of DNMT1 gene transcription and over-expression of Apaf-1 mRNA suggested that SF5 may be inducing apoptosis of K562 cells by epigenetic up-regulation of pro-apoptotic proteins involved in the mitochondrial intrinsic pathway." @default.
- W2152565136 created "2016-06-24" @default.
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- W2152565136 date "2010-11-26" @default.
- W2152565136 modified "2023-09-27" @default.
- W2152565136 title "Terpenic subfraction of Pterodon pubescens induces apoptosis of K562 leukemic cells by modulating gene expression" @default.
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- W2152565136 doi "https://doi.org/10.3892/or_00001063" @default.
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