Stress cellulare e segnalazione del cancro

Noc1 Reduction Induces Nucleolar Stress and Upregulates p53 Isoforms, with a Robust Increase of the Truncated p53E Isoform in Drosophila Wing Discs. Vutera Cuda A, Shivani Bajaj S, Manara V, Bellosta P. G3 (Bethesda). December 2025 accepted.

Drosophila and human cell studies reveal a conserved role for CEBPZ, NOC2L, and NOC3L in rRNA processing and tumorigenesis. Rambaldelli G, Manara V, Vutera Cuda A, Bertalot G, Penzo M, Bellosta P.
J Cell Sci 2025 2025 Sep 1;138(17)

Optimized protocol for single-cell isolation and alkaline comet assay to detect DNA damage in cells of Drosophila wing imaginal discs. Pederzolli M, Barion E, Valerio A, Cuda AV, Manara V, Bellosta P. 
STAR Protoc. 2025 Jan 23;6(1):103590.

Drosophila: a Tale of regeneration with MYC. Serras F., Bellosta P. 
Front Cell Dev Biol. 2024 Jul 23;12:1429322.

NOC1 is a direct MYC target, and its protein interactome dissects its activity in controlling nucleolar function. Manara V, Radoani M, Belli R, Peroni D, Destefanis F, Angheben L, Tome G, Tebaldi T, Bellosta P.
Front Cell Dev Biol. 2023 Dec 28;11:1293420.

Drosophila melanogaster as a model to study autophagy in neurodegenerative diseases induced by proteinopathies. Santarelli S, Londero C, Soldano A, Candelaresi C, Todeschini L, Vernizzi L, Bellosta P.
Front Neurosci. 2023 May 18;17:1082047.

Reduction of nucleolar NOC1 leads to the accumulation of pre-rRNAs and induces Xrp1, affecting growth and resulting in cell competition. Destefanis F, Manara V, Santarelli S, Zola S, Brambilla M, Viola G, Maragno P, I. Signoria, Viero G, Pasini ME, Penzo M and Bellosta P.
J Cell Sci. 2022   Dec 1;135(23)

Myc as a Regulator of Ribosome Biogenesis and Cell Competition: A Link to Cancer. Destefanis F, Manara V, Bellosta P.  
Int J Mol Sci. 2020 Jun 5;21(11).

Glutamine Synthetase 1 Increases Autophagy Lysosomal Degradation of Mutant Huntingtin Aggregates in Neurons, Ameliorating Motility in a Drosophila Model for Huntington's Disease. Vernizzi L, Paiardi C, Licata G, Vitali T, Santarelli S, Raneli M, Manelli V, Rizzetto M, Gioria M, Pasini ME, Grifoni D, Vanoni MA, Gellera C, Taroni F, Bellosta P.
Cells. 2020 Jan 13;9(1):196.

Drosophila melanogaster as a model organism to study cancer growth. Mirzoyan Z, Allocca MT, Valenza MA, Sollazzo M, Grifoni D e Bellosta P.
Frontiers in Genetics. 2019 Mar 1;10:51.

Human Cancer Cells Signal Their Competitive Fitness Through MYC Activity. Di Giacomo S, Sollazzo M, de Biase D, Ragazzi M, Bellosta P, Pession A, Grifoni D.,
Sci Rep. 2017 Oct 3;7(1):12568.

The Stearoyl-CoA Desaturase-1 (Desat1) in Drosophila cooperates with Myc to Induce Autophagy and Growth, a Potential New Link to Tumor Survival. Paiardi C, Mirzoyan Z, Zola S, Parisi F, Vingiani A, Pasini ME, Bellosta P.
Genes (Basel). 2017 Apr 28;8(5).

Super-competitor status of Drosophila Myc cells requires p53 as a fitness sensor to reprogram metabolism and promote viability. de la Cova C, Senoo-Matsuda N, Ziosi M, Wu C, Bellosta P, Quinzii CM, and Johnston L.
Cell Metabolism 2014  19(3):470-83.

dMyc expression in the fat body affects DILP2 release and increases the expression of the fat desaturase Desat1, resulting in organismal growth. Parisi F, Riccardo S, Zola S, Lora C, Grifoni D, Brown L, and Bellosta P.
Dev Biol. 2013 379(1):64-75 F1000Prime.

Drosophila insulin and target of rapamycin (TOR) pathways regulate GSK3 beta activity to control Myc stability and determine Myc expression in vivo. Parisi F, Riccardo S, Daniel M, Saqcena M, Kundu N, Pession A, Grifoni D, Stocker H, Tabak E, Bellosta P.
BMC Biol. 2011 Sep 27;9:65.

dMyc functions downstream of Yorkie to promote the supercompetitive behavior of hippo pathway mutant cells. Ziosi M, Baena-López LA, Grifoni D, Froldi F, Pession A, Garoia F, Trotta V, Bellosta P, Cavicchi S, Pession A. PLoS Genet. 2010 Sep 23;6(9).

Identification of domains responsible for ubiquitin-dependent degradation of dMyc by glycogen synthase kinase 3beta and casein kinase 1 kinases. Galletti M, Riccardo S, Parisi F, Lora C, Saqcena MK, Rivas L, Wong B, Serra A, Serras F, Grifoni D, Pelicci P, Jiang J, Bellosta P.
Mol Cell Biol. 2009 Jun;29(12):3424-34.

Myc interacts genetically with Tip48/Reptin and Tip49/Pontin to control growth and proliferation during Drosophila development. Bellosta P, Hulf T, Balla Diop S, Usseglio F, Pradel J, Aragnol D, Gallant P.
Proc Natl Acad Sci U S A. 2005 Aug 16;102(33):11799-804.

Drosophila myc regulates organ size by inducing cell competition. de la Cova C, Abril M, Bellosta P, Gallant P, Johnston LA.
Cell. 2004 Apr 2;117(1):107-16. Cover

  • Paola Bellosta, PI*
  • Shivani Bajaj, studentessa di dottorato
  • Alessandra Caragiuli, studentessa di master
  • Giorgia Depaoli, studentessa di master
  • Sara Miglioranza, studentessa di laurea triennale
  • Lorenzo Conci, studente di laurea triennale
  • Federico Ghirelli, studente di laurea triennale

* presente
Professore associato aggiunto, Dipartimento di Medicina NYU Langone Medical Center, New York, USA
Membro della COST-21154 Translational Control in Cancer European Network
Member of the Drosophila European Network http//droseu.net

2018-22 Membro del comitato scientifico consultivo della Rete europea per la malattia di Huntington
2009-17 Membro del Centro di diabetologia ed endocrinologia (DERC) Columbia University, New York, NY, USA

  • Stefan Martens, Fondazione Edmund Mach, FEM Trento
  • Giovanni Provenzano, Dept CIBIO, University of Trento
  • Alessandro Provenzani, Dept CIBIO, University of Trento
  • Gabriella Viero, Fondazione Bruno Kessler, FBK Trento
  • Marianna Penzo, Hospital Sant’Orsola and University of Bologna
  • Giovanni Bertalot, Hospital Santa Chiara, and CisMed, Trento
  • Adam Bajar, University of South Bohemia, Ceske Budejovice, Czech Republic