Interferon-alpha (Intron A) upregulates urokinase-type plasminogen activator receptor gene expression - PubMed (original) (raw)
Interferon-alpha (Intron A) upregulates urokinase-type plasminogen activator receptor gene expression
Shanshan Wu et al. Cancer Immunol Immunother. 2002 Jul.
Abstract
The regulation of urokinase plasminogen activator receptor (uPAR) gene expression by interferon-alpha (IFN-alpha, or Intron A) and interferon-gamma (IFN-gamma) was studied in a HCT116 colon cancer cell line. uPAR mRNA levels were increased in a dose- and time-dependent manner in cells stimulated with IFN-alpha or IFN-gamma. uPAR protein levels reflected IFN-alpha and IFN-gamma induction of uPAR mRNA production. Cycloheximide, a protein synthesis inhibitor, also induced uPAR mRNA accumulation either alone or in combination with IFN-alpha or IFN-gamma, suggesting that the effect on uPAR mRNA levels activated by IFN-alpha or IFN-gamma does not require de novo protein synthesis. Both sodium butyrate and amiloride inhibited the uPAR mRNA levels induced by IFN-alpha or IFN-gamma. These results may provide useful information for the treatment of patients receiving IFN-alpha or IFN-gamma.
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