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  1. Pubblicazioni

Epigenomic landscape of human colorectal cancer unveils an aberrant core of pan-cancer enhancers orchestrated by YAP/TAZ

Articolo
Data di Pubblicazione:
2021
Abstract:
Cancer is characterized by pervasive epigenetic alterations with enhancer dysfunction orchestrating the aberrant cancer transcriptional programs and transcriptional dependencies. Here, we epigenetically characterize human colorectal cancer (CRC) using de novo chromatin state discovery on a library of different patient-derived organoids. By exploring this resource, we unveil a tumor-specific deregulated enhancerome that is cancer cell-intrinsic and independent of interpatient heterogeneity. We show that the transcriptional coactivators YAP/TAZ act as key regulators of the conserved CRC gained enhancers. The same YAP/TAZ-bound enhancers display active chromatin profiles across diverse human tumors, highlighting a pan-cancer epigenetic rewiring which at single-cell level distinguishes malignant from normal cell populations. YAP/TAZ inhibition in established tumor organoids causes extensive cell death unveiling their essential role in tumor maintenance. This work indicates a common layer of YAP/TAZ-fueled enhancer reprogramming that is key for the cancer cell state and can be exploited for the development of improved therapeutic avenues.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
Adaptor Proteins, Signal Transducing; Colorectal Neoplasms; Gene Expression Regulation, Neoplastic; Histone Code; Humans; Models, Genetic; Organoids; RNA-Seq; Single-Cell Analysis; Trans-Activators; Transcription Factors; Tumor Cells, Cultured; Enhancer Elements, Genetic; Epigenesis, Genetic
Elenco autori:
Della Chiara G.; Gervasoni F.; Fakiola M.; Godano C.; D'Oria C.; Azzolin L.; Bonnal R.J.P.; Moreni G.; Drufuca L.; Rossetti G.; Ranzani V.; Bason R.; De Simone M.; Panariello F.; Ferrari I.; Fabbris T.; Zanconato F.; Forcato M.; Romano O.; Caroli J.; Gruarin P.; Sarnicola M.L.; Cordenonsi M.; Bardelli A.; Zucchini N.; Ceretti A.P.; Mariani N.M.; Cassingena A.; Sartore-Bianchi A.; Testa G.; Gianotti L.; Opocher E.; Pisati F.; Tripodo C.; Macino G.; Siena S.; Bicciato S.; Piccolo S.; Pagani M.
Autori di Ateneo:
BARDELLI Alberto
Link alla scheda completa:
https://iris.unito.it/handle/2318/1792718
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1792718/771066/s41467-021-22544-y_compressed%20(1).pdf
Pubblicato in:
NATURE COMMUNICATIONS
Journal
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