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http://purl.uniprot.org/citations/18772588http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
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Background

Extensive trials have indicated that cancer cells with high glycolytic activity exhibit decreased sensitivity to anticancer agents. Moreover, recent research has proven that specific inhibitors of hexokinase (HK) II, a key glycolytic enzyme, may enhance the activity of anticancer drugs. The aim of this study was to investigate the effect and mechanisms of HK II on chemosensitivity of a colon cancer cell line (LoVo) to 5-fluorouracil (5-FU).

Methods

HK II gene expression was downregulated by RNA interference in the colon cancer cell line LoVo, which was detected by Western blot analysis. Then the IC(50) value of 5-FU was determined in LoVo cells via MTT assay. In addition, cell apoptosis and mitochondrial membrane potential (MMP) were assessed by flow cytometry and caspase-3 activity by its substrate color reaction.

Results

In LoVo cells, HK II downregulation resulted in a decreased IC(50) value of 5-FU and increased apoptosis. Furthermore, HK II downregulation resulted in a decreased MPP and activation of caspase-3.

Conclusion

Our findings suggest that targeting HK II may be beneficial for patients with colon cancer treated with 5-FU."xsd:string
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http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/author"Zhou Q."xsd:string
http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/author"Zhou J.M."xsd:string
http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/author"Pan F."xsd:string
http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/author"Liang H.J."xsd:string
http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/author"Peng Q.P."xsd:string
http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/author"Zhong D.P."xsd:string
http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/date"2008"xsd:gYear
http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/name"Chemotherapy"xsd:string
http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/pages"357-363"xsd:string
http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/title"Downregulation of the hexokinase II gene sensitizes human colon cancer cells to 5-fluorouracil."xsd:string
http://purl.uniprot.org/citations/18772588http://purl.uniprot.org/core/volume"54"xsd:string
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