نتایج جستجو برای: usf1
تعداد نتایج: 316 فیلتر نتایج به سال:
The vitellogenin genes of Xenopus are liver-specifically expressed. An in vitro transcription system derived from rat liver nuclei allowed us to define the cis-element BABS (B-activator binding site) in the promoter of the B1 vitellogenin gene. An oligonucleotide encompassing the region from -53 to -44 linked to a TATA box is sufficient for a tenfold increase of the transcriptional activity. Ge...
The functional role of the different sites binding transcriptional factors on the tissue-specific, glucose-responsive promoter of the L type pyruvate kinase gene (L-PK) has been investigated in transgenic mice. These sites are able to bind, from 3' to 5', HNF1, NF1, HNF4, and MLTF/USF, respectively. We have compared the level of chloramphenicol acetyltransferase reporter transgene expression wh...
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