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Spatiotemporal co-dependency between macrophages and exhausted CD8+ T cells in cancer.
Kersten, Kelly; Hu, Kenneth H; Combes, Alexis J; Samad, Bushra; Harwin, Tory; Ray, Arja; Rao, Arjun Arkal; Cai, En; Marchuk, Kyle; Artichoker, Jordan; Courau, Tristan; Shi, Quanming; Belk, Julia; Satpathy, Ansuman T; Krummel, Matthew F.
Afiliación
  • Kersten K; Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA; ImmunoX Initiative, University of California, San Francisco, San Francisco, CA 94143, USA; Parker Institute for Cancer Immunotherapy, San Francisco, CA 94129, USA.
  • Hu KH; Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA; ImmunoX Initiative, University of California, San Francisco, San Francisco, CA 94143, USA; Parker Institute for Cancer Immunotherapy, San Francisco, CA 94129, USA.
  • Combes AJ; Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA; ImmunoX Initiative, University of California, San Francisco, San Francisco, CA 94143, USA; UCSF CoLabs, University of California, San Francisco, San Francisco, CA 94143, USA.
  • Samad B; Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA; ImmunoX Initiative, University of California, San Francisco, San Francisco, CA 94143, USA; UCSF CoLabs, University of California, San Francisco, San Francisco, CA 94143, USA.
  • Harwin T; Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA; ImmunoX Initiative, University of California, San Francisco, San Francisco, CA 94143, USA.
  • Ray A; Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA; ImmunoX Initiative, University of California, San Francisco, San Francisco, CA 94143, USA.
  • Rao AA; Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA; ImmunoX Initiative, University of California, San Francisco, San Francisco, CA 94143, USA; UCSF CoLabs, University of California, San Francisco, San Francisco, CA 94143, USA.
  • Cai E; Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA; ImmunoX Initiative, University of California, San Francisco, San Francisco, CA 94143, USA.
  • Marchuk K; UCSF CoLabs, University of California, San Francisco, San Francisco, CA 94143, USA.
  • Artichoker J; UCSF CoLabs, University of California, San Francisco, San Francisco, CA 94143, USA.
  • Courau T; Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA; ImmunoX Initiative, University of California, San Francisco, San Francisco, CA 94143, USA; UCSF CoLabs, University of California, San Francisco, San Francisco, CA 94143, USA.
  • Shi Q; Department of Personal Dynamic Regulomes, Stanford University School of Medicine, Stanford, CA 94305, USA.
  • Belk J; Department of Computer Science, Stanford University, Stanford, CA 94305, USA.
  • Satpathy AT; Department of Pathology, Stanford University, Stanford, CA 94305, USA; Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA 94158, USA; Parker Institute for Cancer Immunotherapy, San Francisco, CA 94129, USA.
  • Krummel MF; Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA; ImmunoX Initiative, University of California, San Francisco, San Francisco, CA 94143, USA; UCSF CoLabs, University of California, San Francisco, San Francisco, CA 94143, USA; Parker Institute for Cancer I
Cancer Cell ; 40(6): 624-638.e9, 2022 06 13.
Article en En | MEDLINE | ID: mdl-35623342
ABSTRACT
T cell exhaustion is a major impediment to antitumor immunity. However, it remains elusive how other immune cells in the tumor microenvironment (TME) contribute to this dysfunctional state. Here, we show that the biology of tumor-associated macrophages (TAMs) and exhausted T cells (Tex) in the TME is extensively linked. We demonstrate that in vivo depletion of TAMs reduces exhaustion programs in tumor-infiltrating CD8+ T cells and reinvigorates their effector potential. Reciprocally, transcriptional and epigenetic profiling reveals that Tex express factors that actively recruit monocytes to the TME and shape their differentiation. Using lattice light sheet microscopy, we show that TAM and CD8+ T cells engage in unique, long-lasting, antigen-specific synaptic interactions that fail to activate T cells but prime them for exhaustion, which is then accelerated in hypoxic conditions. Spatially resolved sequencing supports a spatiotemporal self-enforcing positive feedback circuit that is aligned to protect rather than destroy a tumor.
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Linfocitos T CD8-positivos / Neoplasias Límite: Humans Idioma: En Revista: Cancer Cell Asunto de la revista: NEOPLASIAS Año: 2022 Tipo del documento: Article País de afiliación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Linfocitos T CD8-positivos / Neoplasias Límite: Humans Idioma: En Revista: Cancer Cell Asunto de la revista: NEOPLASIAS Año: 2022 Tipo del documento: Article País de afiliación: Estados Unidos