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EPHB2 — SCNN1A
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Wang et al., J Biol Chem 2000
:
Consistent with our hypothesis, exogenous H ( 2 ) O ( 2 ) -mediated repression of alpha-ENaC GRE activity is partially blocked by either a specific inhibitor for extracellular signal regulated kinase ( ERK ) pathway activation, U0126, or dominant negative ERK, suggesting that, in part, activated
ERK may
mediate the repressive effects of H ( 2 ) O ( 2 ) on
alpha-ENaC expression ... Taken together, we hypothesize that oxidative stress impairs Na ( + ) transport activity by inhibiting dexamethasone dependent
alpha-ENaC GRE
activation via both
ERK dependent and thioredoxin-sensitive pathways
Zentner et al., J Biol Chem 2001
:
Together, our results demonstrate that
Ras/ERK mediated induction of HMGI-C is required to effectively
repress GR/Dex stimulated transcription of
alpha-ENaC gene and STAT3 mediated transactivation
Frank et al., J Biol Chem 2003
:
The inhibitory effect of TGF-beta1 on sodium uptake and
alphaENaC expression in ATII cells was
mediated by activation of the MAPK,
ERK1/2 ... This reduction in sodium and fluid transport is attributable in large part to a reduction in apical membrane alphaENaC expression mediated through an
ERK1/2 dependent inhibition of the
alphaENaC promoter activity