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Example sentences for: ese-
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Ese-1/Esx is a member of the Ets transcription factor family and is expressed mainly in epithelial tissue [ 30 ] . Its expression has been detected during mammary gland development and breast tumorigenesis [ 47 48 ] . It is noteworthy that Ese-1/Esx is a potential transcriptional regulator of the TGFβ type II receptor [ 31 ] and overexpression of Ese-1/Esx in non-invasive cells leads to a reduction in cell growth in the presence of TGFβ, presumably because of an increased TGFβ type II receptor level [ 49 ] . It is interesting that TGFβ-dependent downregulation of Ese-1/Esx is not affected by SB-203580.
The negative TGFβ effect on Ese-1/Esx expression could not be inhibited by SB-203580.
The other ets gene that we tested was ese-1/esx , a recently characterized member of the ets gene family, originally identified in epithelial cells [ 30 ] . Ese-1/Esx has been found to regulate the expression of TGFβ type II receptor [ 31 ] . We could show for the first time that the level of the Ese-1/Esx transcript was strongly downregulated in the presence of TGFβ.
One way by which Smad7 can inhibit TGFβ-dependent gene expression is by blocking phosphorylation, and, hence, nuclear import of Smad3 and Smad2 [ 23 ] . More recent data showing that Smad7 is able to interact with histone deacetylases suggest an additional role for Smad7 as a transcriptional co-repressor [ 50 ] . Thus, Smad7 might interfere directly with Ese-1/Esx gene transcription.
It is remarkable that a constitutively active form of JNK activator MKK and Smad7 are able to cooperatively downregulate TGFβ-responsive promoters [ 53 ] . It is quite possible that a Smad7/JNK synergistic interaction is involved in the TGFβ-dependent downregulation of Ese-1/Esx expression, where JNK alone might mediate the initiation of the TGFβ-induced repression.
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