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Hypoxia-inducible factor-1 (HIF-1) is a transcription factor involved in the cancer cell adaptation to hypoxia, a leading cause of tumor malignancy. Thus, control of HIF-1alpha expression may assist in treatment of cancer. The expression of HIF-1alpha is finely regulated via alterations in not only HIF-1alpha protein stability but also mRNA stability.(More)
The spiro compound 5,6-dimethyl-3H,3'H-spiro(benzofuran-2,1'-isobenzofuran)-3,3'-dione (KR-23502) has antiviral activity against influenza A and more potently B viruses. The aim of this study is to elucidate its mechanism of action. Subcellular localization and time-course expression of influenza B viral proteins, nucleoprotein (NP) and matrix protein 1(More)
Influenza viruses are major human respiratory pathogens that cause high morbidity and mortality worldwide. Currently, prophylactic vaccines and therapeutic antiviral agents are used to prevent and control influenza virus infection. Oseltamivir free base (OSV-FB), a modified generic antiviral drug of Tamiflu (oseltamivir phosphate, OSV-P), was launched in(More)
The activity of beta-catenin/TCF, the key component of Wnt signaling pathway, is frequently deregulated in human cancers, resulting in the activation of genes whose dysregulation has significant consequences on tumor development. Therefore, identifying the target genes of Wnt signaling is important for understanding beta-catenin-mediated carcinogenesis.(More)
BACKGROUND Polygonum chinense Linn. is a common medicinal plant in Southeast Asia and has been used in traditional medicine in Vietnam. The plant contains phytochemicals with various biological properties; however, its antiviral effect has not yet been demonstrated. This study was aimed to evaluate the anti-influenza virus activity of crude extracts of P.(More)
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