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NIH Research Festival

September 14 – 16, 2016

Gene-engineered human T cells targeting intrinsic checkpoint inhibitor CISH enhances anti-tumor immune response

Wednesday, September 14, 2016 – Poster Session I
3:00 – 4:30 p.m.

FAES Terrace

NCI

CANCER-10

Authors

  • JH Kim
  • DC Palmer
  • N Restifo

Abstract

Cancer treatment has entered a new phase in personalized medicine with the advent of T cell based immunotherapy. Despite recent advances, universal therapies are impeded with many obstacles. Cancer cells continuously sculpt a challenging microenvironment to evade the host immune response and prevent T cell mediated tumor regression. Additionally, tumor interaction with T cells is capable of triggering inhibitory T cell-intrinsic molecules that suppress T cell activity. Previously, we demonstrated Suppressor of Cytokine Signaling (SOCS) family member Cish as a promising targetable molecule to improve inhibited anti-tumor T cells. Here, we genetically engineer primary human T cells with different viral and non-viral mediated strategies. The disruption of Cish using short hairpin microRNA’s was characterized by overall improved sensitivity to cognate antigens, functional avidity, and cytokine productivity in both in vitro co-culture and in vivo adoptive transfer experiments. Furthermore, we are attempting to genetically delete CISH in human T cells by using a lentiviral based Crispr/Cas9 technology. Genetic deletion of CISH using this new technology could result in significant increase of cytotoxicity, IFN- γ production, and IL-2 production, indicators of tumor-specific T cells properties. These findings establish Cish as a novel targetable inhibitory molecule demonstrating regulatory properties in tumor-specific CD8+ T cells, which can be manipulated to improve adoptive cancer immunotherapy.

Scientific Focus Area: Cancer Biology

This page was last updated on Friday, March 26, 2021

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Current Research Festival

  • 2025
  • 2024
    • General Schedule of Events
    • 2024 NIH Distinguished Scholars Program
    • Poster Sessions
    • Concurrent Workshops
    • NIH Resource Information Fair
    • National Academy of Science Mini-Symposium
    • Special Wednesday Events
    • Vendor Exhibit Information
    • Green Labs Fair
    • Research Festival Committee
  • 2023
    • General Schedule of Events
    • NIH Early–Career Investigator Lectures
    • Poster Sessions
    • Concurrent Workshops
    • NIH Resource Information Fair
    • Vendor Exhibit Information
    • Research Festival Committee
  • 2021
  • 2019
    • General Schedule of Events
    • Plenary Sessions
    • Poster Session
    • Data Blitz
    • FARE Award Ceremony
    • Special Exhibits on Resources for Intramural Research
    • Technical Sales Association (TSA) Research Festival Exhibit Tent Show
    • Research Festival Committee
  • 2018
    • General Schedule of Events
    • Plenary Sessions
    • Concurrent Symposia Sessions
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    • FARE Award Ceremony
    • Special Exhibits on Resources for Intramural Research
    • Technical Sales Association (TSA) Research Festival Exhibit Tent Show
    • Research Festival Committees
  • 2017
    • General Schedule of Events
    • Plenary Sessions
    • Concurrent Symposia Sessions
    • Poster Sessions
    • FARE Award Ceremony
    • Future Research Leaders
    • Special Exhibits on Resources for Intramural Research
    • Technical Sales Association (TSA) Research Festival Exhibit Tent Show
    • Research Festival Committees
  • 2016
    • General Schedule of Events
    • Plenary Sessions
    • Concurrent Symposia Sessions
    • Poster Sessions
    • Browse by Presenter Name
    • Browse by Presenter IC
    • FARE Award Ceremony
    • Future Research Leaders
    • Special Exhibits on Resources for Intramural Research
    • Technical Sales Association (TSA) Research Festival Exhibit Tent Show
    • Tours of the National Library of Medicine and Clinical Center
    • Research Festival Committees
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