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Kalkavan, Halime; Sharma, Piyush; Kasper, Stefan; Helfrich, Iris; Pandyra, Aleksandra A.; Gassa, Asmae; Virchow, Isabel; Flatz, Lukas; Brandenburg, Tim; Namineni, Sukumar; Heikenwalder, Mathias; Höchst, Bastian; Knolle, Percy A.; Wollmann, Guido; von Laer, Dorothee; Drexler, Ingo; Rathbun, Jessica; Cannon, Paula M.; Scheu, Stefanie; Bauer, Jens; Chauhan, Jagat; Häussinger, Dieter; Willimsky, Gerald; Löhning, Max; [...]

Spatiotemporally restricted arenavirus replication induces immune surveillance and type I interferon-dependent tumour regression

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  • Medientyp: E-Artikel
  • Titel: Spatiotemporally restricted arenavirus replication induces immune surveillance and type I interferon-dependent tumour regression
  • Beteiligte: Kalkavan, Halime; Sharma, Piyush; Kasper, Stefan; Helfrich, Iris; Pandyra, Aleksandra A.; Gassa, Asmae; Virchow, Isabel; Flatz, Lukas; Brandenburg, Tim; Namineni, Sukumar; Heikenwalder, Mathias; Höchst, Bastian; Knolle, Percy A.; Wollmann, Guido; von Laer, Dorothee; Drexler, Ingo; Rathbun, Jessica; Cannon, Paula M.; Scheu, Stefanie; Bauer, Jens; Chauhan, Jagat; Häussinger, Dieter; Willimsky, Gerald; Löhning, Max; [...]
  • Erschienen: Springer Science and Business Media LLC, 2017
  • Erschienen in: Nature Communications
  • Sprache: Englisch
  • DOI: 10.1038/ncomms14447
  • ISSN: 2041-1723
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title><jats:p>Immune-mediated effector molecules can limit cancer growth, but lack of sustained immune activation in the tumour microenvironment restricts antitumour immunity. New therapeutic approaches that induce a strong and prolonged immune activation would represent a major immunotherapeutic advance. Here we show that the arenaviruses lymphocytic choriomeningitis virus (LCMV) and the clinically used Junin virus vaccine (Candid#1) preferentially replicate in tumour cells in a variety of murine and human cancer models. Viral replication leads to prolonged local immune activation, rapid regression of localized and metastatic cancers, and long-term disease control. Mechanistically, LCMV induces antitumour immunity, which depends on the recruitment of interferon-producing Ly6C<jats:sup>+</jats:sup> monocytes and additionally enhances tumour-specific CD8<jats:sup>+</jats:sup> T cells. In comparison with other clinically evaluated oncolytic viruses and to PD-1 blockade, LCMV treatment shows promising antitumoural benefits. In conclusion, therapeutically administered arenavirus replicates in cancer cells and induces tumour regression by enhancing local immune responses.</jats:p>
  • Zugangsstatus: Freier Zugang