MicroRNAs and p63 in epithelial stemness

E. Candi, I. Amelio, M. Agostini, G. Melino

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

MicroRNAs (miRs) are a class of small noncoding RNAs that suppress the expression of protein-coding genes by repressing protein translation. Although the roles that miRs and the miR processing machinery have in regulating epithelial stem cell biology are not fully understood, their fundamental contributions to these processes have been demonstrated over the last few years. The p53-family member p63 is an essential transcription factor for epidermal morphogenesis and homeostasis. p63 functions as a determinant for keratinocyte cell fate and helps to regulate the balance between stemness, differentiation and senescence. An important factor that regulates p63 function is the reciprocal interaction between p63 and miRs. Some miRs control p63 expression, and p63 regulates the miR expression profile in the epidermis. p63 controls miR expression at different levels. It directly regulates the transcription of several miRs and indirectly regulates their processing by regulating the expression of the miR processing components Dicer and DGCR8. In this review, we will discuss the recent findings on the miR-p63 interaction in epidermal biology, particularly focusing on the ΔNp63-dependent regulation of DGCR8 recently described in the ΔNp63-/- mouse. We provide a unified view of the current knowledge and discuss the apparent discrepancies and perspective therapeutic opportunities.

Original languageEnglish
Pages (from-to)12-21
Number of pages10
JournalCell Death and Differentiation
Volume22
Issue number1
DOIs
Publication statusPublished - Jan 1 2015

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MicroRNAs
Small Untranslated RNA
Protein Biosynthesis
Morphogenesis
Keratinocytes
Epidermis
Cell Biology
Proteins
Homeostasis
Transcription Factors
Stem Cells
Epithelial Cells
Therapeutics

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology

Cite this

MicroRNAs and p63 in epithelial stemness. / Candi, E.; Amelio, I.; Agostini, M.; Melino, G.

In: Cell Death and Differentiation, Vol. 22, No. 1, 01.01.2015, p. 12-21.

Research output: Contribution to journalArticle

Candi, E. ; Amelio, I. ; Agostini, M. ; Melino, G. / MicroRNAs and p63 in epithelial stemness. In: Cell Death and Differentiation. 2015 ; Vol. 22, No. 1. pp. 12-21.
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