Poly (C)-Binding Protein 1 Regulates p63 Expression through mRNA Stability

Seong Jun Cho, Yong Sam Jung, Xinbin Chen

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

p63, a transcription factor and p53 family protein, plays a crucial role in tumor suppression and development of various epithelial tissues. While p63 expression is controlled mostly by post-translational modifications, recent studies indicate that transcriptional and posttranscriptional regulations are essential for proper p63 expression. Here, we investigated the regulation of p63 expression by poly (C)-binding protein 1 (PCBP1, also known as hnRNP-E1 and αCP1). We found that knockdown of PCBP1 decreases the level of p63 transcript and protein. We also found that PCBP1 regulates the stability of p63 mRNA via binding to p63 3'UTR. Additionally, we found that a CU-rich element (CUE) in p63 3′UTR is bound by and responsive to PCBP1. Together, we conclude that PCBP1 regulates p63 expression via mRNA stability.

Original languageEnglish (US)
Article numbere71724
JournalPLoS One
Volume8
Issue number8
DOIs
StatePublished - Aug 7 2013

Fingerprint

Poly C
RNA Stability
binding proteins
Carrier Proteins
Heterogeneous-Nuclear Ribonucleoproteins
Messenger RNA
post-translational modification
3' Untranslated Regions
3' untranslated regions
Post Translational Protein Processing
Tumors
Proteins
Transcription Factors
epithelium
Epithelium
transcription factors
proteins
Tissue
neoplasms
Neoplasms

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Poly (C)-Binding Protein 1 Regulates p63 Expression through mRNA Stability. / Cho, Seong Jun; Jung, Yong Sam; Chen, Xinbin.

In: PLoS One, Vol. 8, No. 8, e71724, 07.08.2013.

Research output: Contribution to journalArticle

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