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A variety of tumour necrosis factor α (TNF-α) derivatives have been bioengineered to improve antitumour activity and reduce toxicity. The expression of TNF-α in Escherichia coli usually yields a mixture of homotrimers and monomers; however, only the trimer shows antitumour activity. TNF-αD10, a bioengineered hTNF-α derivative, demonstrated 10-fold higher cytotoxicity against tumour cells compared...
Adar-1 gene plays an important role in the negative regulation of RNA interference. We previously showed that increased adar-1 mRNA level was associated with the rebound of gene expression after RNAi suppression. In this study, we identified a PU.1 binding site upstream from transcription start point of adar-1 gene and is essential for the promoter activity. Knockdown and over-expression of the PU...
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