Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine

The study of inducing apoptosis effect of fructose 1,6-bisphosphate on the papillary thyroid carcinoma cell and its related mechanism.

PMID 24414485


This study aims to investigate the apoptosis-inducing effect of fructose 1,6-bisphosphate (F1,6BP) on the related mechanism of papillary thyroid carcinoma W3 and T cells. W3 cells were treated with F1,6BP alone or in combination with antioxidant catalase (CAT) or N-acetyl-L-cysteine (NAC). The changes of cell viability and cell nucleus morphology were examined by cell proliferation assay and Hoechst staining, and apoptosis levels of these cells were measured with flow cytometry. The changes of reactive oxygen species (ROS) level and the percentage of oxidized glutathione in total glutathione in W3 cells were detected by 2',7'-dichlorodihydrofluorescein diacetate (DCFH-DA) staining or colorimetry assay. At the same time, real-time fluorescence quantitative PCR was adopted to evaluate the expression levels of CAT and glutathione peroxidase (GSH-Px) mRNAs in W3 cells. F1,6BP inhibited the growth of W3 cells significantly, coupling with an increase in intracellular ROS level and the percentage of oxidized glutathione in total glutathione. Typical apoptotic morphological changes of the cell nucleus happened. The apoptosis rate and GSH-Px and CAT mRNAs expression levels were upregulated after F1,6BP treatment. The antitumor effect of F1,6BP was significantly decreased after W3 cells were pretreated with NAC and CAT. F1,6BP can induce the apoptosis of W3 cells through upregulating the generation of ROS, especially the production of H2O2.

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D-Fructose 1,6-bisphosphate trisodium salt hydrate, ≥98% (TLC)
C6H11Na3O12P2 · xH2O