Nature Communications (Nov 2022)

pTINCR microprotein promotes epithelial differentiation and suppresses tumor growth through CDC42 SUMOylation and activation

  • Olga Boix,
  • Marion Martinez,
  • Santiago Vidal,
  • Marta Giménez-Alejandre,
  • Lluís Palenzuela,
  • Laura Lorenzo-Sanz,
  • Laura Quevedo,
  • Olivier Moscoso,
  • Jorge Ruiz-Orera,
  • Pilar Ximénez-Embún,
  • Nikaoly Ciriaco,
  • Paolo Nuciforo,
  • Camille Stephan-Otto Attolini,
  • M. Mar Albà,
  • Javier Muñoz,
  • Tian V. Tian,
  • Ignacio Varela,
  • Ana Vivancos,
  • Santiago Ramón y Cajal,
  • Purificación Muñoz,
  • Carmen Rivas,
  • María Abad

DOI
https://doi.org/10.1038/s41467-022-34529-6
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 22

Abstract

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Small proteins encoded by previously assumed non-coding RNAs can have cell regulatory functions. Here the authors report that TINCR lncRNA encodes pTINCR, a ubiquitin-like protein (UBL) that promotes epithelial differentiation through the SUMOylation and activation of CDC42, and it has tumour suppressor activity in epithelial cancers.