An Ex Vivo 3D Tumor Microenvironment-Mimicry Culture to Study TAM Modulation

Eliva Press
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9789994982899
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9789994982899
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Tumor-associated macrophages (TAMs) accumulate in the solid tumor microenvironment (TME) and have been shown to promote tumor growth and dampen antitumor immune responses. TAM-mediated suppression of T-cell antitumor reactivity is considered to be a major obstacle for many immunotherapies, including immune checkpoint blockade and adoptive T/CAR-T-cell therapies. An ex vivo culture system closely mimicking the TME can greatly facilitate the study of cancer immunotherapies. Here, we report the development of a 3D TME-mimicry culture that is comprised of the three major components of a human TME, including human tumor cells, TAMs, and tumor antigen-specific T cells. This TME-mimicry culture can readout the TAM-mediated suppression of T-cell antitumor reactivity, and therefore can be used to study TAM modulation of T-cell-based cancer immunotherapy. As a proof-of-principle, the studies of a PD-1/PD-L1 blockade therapy and a MAO-A blockade therapy were performed and validated.


  • | Author: Lili Yang, Yan-Ruide Li
  • | Publisher: Eliva Press
  • | Publication Date: Sep 22, 2022
  • | Number of Pages: 69 pages
  • | Language: English
  • | Binding: Paperback
  • | ISBN-10: 9994982893
  • | ISBN-13: 9789994982899
Author:
Lili Yang, Yan-Ruide Li
Publisher:
Eliva Press
Publication Date:
Sep 22, 2022
Number of pages:
69 pages
Language:
English
Binding:
Paperback
ISBN-10:
9994982893
ISBN-13:
9789994982899