Abstract:
:Mitogen-activated protein kinase (MAPK) cascades play an important role in regulation of AP-1 activity through the phosphorylation of distinct substrates. In the present study, we identified a novel protein, TMEM174, whose RNA transcripts are highly expressed in human kidney tissue. TMEM174 is comprised of 243 amino acids, and contains two predicted transmembrane helices which determine its subcellular localization in endoplasmic reticulum and influences its functions. Over-expression of TMME174 enhanced the transcriptional activity of AP-1 and promoted cell proliferation, whereas the truncated mutant TMEM174DeltaTM without the transmembrane regions did not retain these functions. The possible mechanism of activation of AP-1 by TMEM174 was further examined. Our results suggest the potential role of TMEM174 in renal development and physiological function.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Wang P,Sun B,Hao D,Zhang X,Shi T,Ma Ddoi
10.1016/j.bbrc.2010.03.109subject
Has Abstractpub_date
2010-04-16 00:00:00pages
993-9issue
4eissn
0006-291Xissn
1090-2104pii
S0006-291X(10)00573-5journal_volume
394pub_type
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