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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Members of the MAZ family: a novel cDNA clone for MAZ from human pancreatic islet cells.

A human recombinant cDNA clone that encoded a zinc-finger protein (Myc-associated zinc-finger protein of human islet; MAZi) was cloned by screening a cDNA library prepared from human pancreatic islet cells. The encoded protein showed a high degree of homology to the Myc-associated zinc-finger protein MAZ (ZF87 or Pur-1). However, differences between the cDNAs for MAZi and MAZ were found in the length of the encoded polyalanine stretch and in the sequence of the 5'-end leader. MAZi transcripts were significantly more abundant in rat pancreatic islet carcinoma tissue than in normal rat islet cells. Moreover, MAZi protein bound specifically to the pyrimidine-rich strand of the CT-element of the c-myc gene in vitro and strongly induced the expression of chloramphenicol acetyltransferase (CAT) from a c-myc promoter/ CAT reporter construct in human pancreatic cells. Our results suggest that a distinct member of the MAZ family is expressed in human islet cells and enhances the transcriptional activity of the c-myc gene.[1]

References

  1. Members of the MAZ family: a novel cDNA clone for MAZ from human pancreatic islet cells. Tsutsui, H., Sakatsume, O., Itakura, K., Yokoyama, K.K. Biochem. Biophys. Res. Commun. (1996) [Pubmed]
 
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