GADD45β loss ablates innate immunosuppression in cancer

  • Daniela Verzella
  • , Jason Bennett
  • , Mariafausta Fischietti
  • , Anil K. Thotakura
  • , Camilla Recordati
  • , Fabio Pasqualini
  • , Daria Capece
  • , Davide Vecchiotti
  • , Daniel D'Andrea
  • , Barbara Di Francesco
  • , Marcella De Maglie
  • , Federica Begalli
  • , Laura Tornatore
  • , Salvatore Papa
  • , Toby Lawrence
  • , Stuart J. Forbes
  • , Antonio Sica
  • , Edoardo Alesse
  • , Francesca Zazzeroni
  • , Guido Franzoso

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

T-cell exclusion from the tumor microenvironment (TME) is a major barrier to overcoming immune escape. Here, we identify a myeloid-intrinsic mechanism governed by the NF-κB effector molecule GADD45b that restricts tumor-associated inflammation and T-cell trafficking into tumors. In various models of solid cancers refractory to immunotherapies, including hepatocellular carcinoma and ovarian adenocarcinoma, Gadd45b inhibition in myeloid cells restored activation of proinflammatory tumor-associated macrophages (TAM) and intratumoral immune infiltration, thereby diminishing oncogenesis. Our results provide a basis to interpret clinical evidence that elevated expression of GADD45B confers poorclinical outcomes in most human cancers. Furthermore, they suggest a therapeutic target in GADD45β for reprogramming TAM to overcome immunosuppression and T-cell exclusion from the TME.

Lingua originaleInglese
pagine (da-a)1275-1292
Numero di pagine18
RivistaCancer Research
Volume78
Numero di pubblicazione5
DOI
Stato di pubblicazionePubblicato - 1 mar 2018

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