ERAP1 promotes Hedgehog-dependent tumorigenesis by controlling USP47-mediated degradation of βTrCP

Francesca Bufalieri, Paola Infante, Flavia Bernardi, Miriam Caimano, Paolo Romania, Marta Moretti, Ludovica Lospinoso Severini, Julie Talbot, Ombretta Melaiu, Mirella Tanori, Laura Di Magno, Diana Bellavia, Carlo Capalbo, Stéphanie Puget, Enrico De Smaele, Gianluca Canettieri, Daniele Guardavaccaro, Luca Busino, Angelo Peschiaroli, Simonetta Pazzaglia & 7 others Giuseppe Giannini, Gerry Melino, Franco Locatelli, Alberto Gulino, Olivier Ayrault, Doriana Fruci, Lucia Di Marcotullio

Research output: Contribution to journalArticle

Abstract

The Hedgehog (Hh) pathway is essential for embryonic development and tissue homeostasis. Aberrant Hh signaling may occur in a wide range of human cancers, such as medulloblastoma, the most common brain malignancy in childhood. Here, we identify endoplasmic reticulum aminopeptidase 1 (ERAP1), a key regulator of innate and adaptive antitumor immune responses, as a previously unknown player in the Hh signaling pathway. We demonstrate that ERAP1 binds the deubiquitylase enzyme USP47, displaces the USP47-associated βTrCP, the substrate-receptor subunit of the SCFβTrCP ubiquitin ligase, and promotes βTrCP degradation. These events result in the modulation of Gli transcription factors, the final effectors of the Hh pathway, and the enhancement of Hh activity. Remarkably, genetic or pharmacological inhibition of ERAP1 suppresses Hh-dependent tumor growth in vitro and in vivo. Our findings unveil an unexpected role for ERAP1 in cancer and indicate ERAP1 as a promising therapeutic target for Hh-driven tumors.

Original languageEnglish
Pages (from-to)3304
JournalNature Communications
Volume10
Issue number1
DOIs
Publication statusPublished - Jul 24 2019

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endoplasmic reticulum
Aminopeptidases
Endoplasmic Reticulum
Carcinogenesis
degradation
Degradation
Neoplasms
Tumors
Tissue homeostasis
tumors
cancer
effectors
homeostasis
Medulloblastoma
regulators
Adaptive Immunity
Ligases
Ubiquitin
Embryonic Development
brain

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ERAP1 promotes Hedgehog-dependent tumorigenesis by controlling USP47-mediated degradation of βTrCP. / Bufalieri, Francesca; Infante, Paola; Bernardi, Flavia; Caimano, Miriam; Romania, Paolo; Moretti, Marta; Lospinoso Severini, Ludovica; Talbot, Julie; Melaiu, Ombretta; Tanori, Mirella; Di Magno, Laura; Bellavia, Diana; Capalbo, Carlo; Puget, Stéphanie; De Smaele, Enrico; Canettieri, Gianluca; Guardavaccaro, Daniele; Busino, Luca; Peschiaroli, Angelo; Pazzaglia, Simonetta; Giannini, Giuseppe; Melino, Gerry; Locatelli, Franco; Gulino, Alberto; Ayrault, Olivier; Fruci, Doriana; Di Marcotullio, Lucia.

In: Nature Communications, Vol. 10, No. 1, 24.07.2019, p. 3304.

Research output: Contribution to journalArticle

Bufalieri, F, Infante, P, Bernardi, F, Caimano, M, Romania, P, Moretti, M, Lospinoso Severini, L, Talbot, J, Melaiu, O, Tanori, M, Di Magno, L, Bellavia, D, Capalbo, C, Puget, S, De Smaele, E, Canettieri, G, Guardavaccaro, D, Busino, L, Peschiaroli, A, Pazzaglia, S, Giannini, G, Melino, G, Locatelli, F, Gulino, A, Ayrault, O, Fruci, D & Di Marcotullio, L 2019, 'ERAP1 promotes Hedgehog-dependent tumorigenesis by controlling USP47-mediated degradation of βTrCP', Nature Communications, vol. 10, no. 1, pp. 3304. https://doi.org/10.1038/s41467-019-11093-0
Bufalieri, Francesca ; Infante, Paola ; Bernardi, Flavia ; Caimano, Miriam ; Romania, Paolo ; Moretti, Marta ; Lospinoso Severini, Ludovica ; Talbot, Julie ; Melaiu, Ombretta ; Tanori, Mirella ; Di Magno, Laura ; Bellavia, Diana ; Capalbo, Carlo ; Puget, Stéphanie ; De Smaele, Enrico ; Canettieri, Gianluca ; Guardavaccaro, Daniele ; Busino, Luca ; Peschiaroli, Angelo ; Pazzaglia, Simonetta ; Giannini, Giuseppe ; Melino, Gerry ; Locatelli, Franco ; Gulino, Alberto ; Ayrault, Olivier ; Fruci, Doriana ; Di Marcotullio, Lucia. / ERAP1 promotes Hedgehog-dependent tumorigenesis by controlling USP47-mediated degradation of βTrCP. In: Nature Communications. 2019 ; Vol. 10, No. 1. pp. 3304.
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AU - Capalbo, Carlo

AU - Puget, Stéphanie

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AU - Melino, Gerry

AU - Locatelli, Franco

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