2008
DOI: 10.1016/j.jsbmb.2007.12.009
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GC-rich promoter elements maximally confers estrogen-induced transactivation of LRP16 gene through ERα/Sp1 interaction in MCF-7 cells

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Cited by 14 publications
(16 citation statements)
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“…The ligand-independent ERα activity was increased by phosphorylation at specific serine residues in the N-terminal domain as activated by the growth factor pathway (37,38). Furthermore, ERα is known to interact with other transcription factors, such as Sp1 and AP-1, and it may use the constitutive transcriptional function of these factors (39,40). Thus, unliganded ERα may play a role in regulating basal Kiss1 transcription in the ARC.…”
Section: Discussionmentioning
confidence: 99%
“…The ligand-independent ERα activity was increased by phosphorylation at specific serine residues in the N-terminal domain as activated by the growth factor pathway (37,38). Furthermore, ERα is known to interact with other transcription factors, such as Sp1 and AP-1, and it may use the constitutive transcriptional function of these factors (39,40). Thus, unliganded ERα may play a role in regulating basal Kiss1 transcription in the ARC.…”
Section: Discussionmentioning
confidence: 99%
“…The differential induction of LRP16 expression by liganded and unliganded ERa in SKOV3 cells revealed a completely different regulatory mechanism compared with that in estrogen-sensitive cancer cells. A proximal region of K676 to K24 bp of the human LRP16 promoter was previously identified to be essential for estrogen induction of LRP16 expression in MCF-7 cells (Han et al 2008). Estrogen induces LRP16 gene transactivation by stimulating the interaction and recruitment of ERa and Sp1 transcription factor at a 1/2 ERE/ GC-rich site and multiple GC-rich sites present in K676 to K24 bp of the upstream regulatory region of LRP16 gene (Zhao et al 2005, Han et al 2008.…”
Section: Discussionmentioning
confidence: 99%
“…A proximal region of K676 to K24 bp of the human LRP16 promoter was previously identified to be essential for estrogen induction of LRP16 expression in MCF-7 cells (Han et al 2008). Estrogen induces LRP16 gene transactivation by stimulating the interaction and recruitment of ERa and Sp1 transcription factor at a 1/2 ERE/ GC-rich site and multiple GC-rich sites present in K676 to K24 bp of the upstream regulatory region of LRP16 gene (Zhao et al 2005, Han et al 2008. By promoter analysis, we demonstrate that the fragment from K676 to K214 bp of the LRP16 upstream regulatory region mainly confers estrogen-repressed effect of LRP16 expression (Fig.…”
Section: Discussionmentioning
confidence: 99%
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