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April 5, 2024Cancer Research0 citations

Spatial Profiling of Immune Suppression in Early High-Grade Serous Ovarian Cancer

Abstract LB311: Multimodal spatial profiling reveals the emergence of an immune suppressive microenvironment at the initial stages of high-grade serous ovarian cancer development

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Authors

TKTanjina KaderJLJia‐Ren LinSCShannon Coy

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Overview

Cohort study reveals immune suppression and HLA-E clonal selection in serous tubal intraepithelial carcinoma, indicating pathways of early immune escape in high-grade serous ovarian cancer.

Key Points

  • Immune-cold microenvironments and T-cell dysfunction emerge in early serous tubal intraepithelial carcinoma, marked by impaired tissue-resident memory T cells.
  • Major histocompatibility complex class I overexpression occurred in 7 of 9 incidental lesions, with cyclic immunofluorescence confirming elevated HLA-E levels.
  • Highlights how chromosomal instability drives interferon pathways and clonal HLA-E selection, enabling immune escape during high-grade serous ovarian carcinoma progression.

Cite This Study

Kader et al. (2024) studied this question.

synapsesocial.com/papers/68e70461b6db64358767ea63https://doi.org/10.1158/1538-7445.am2024-lb311
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