Prognostic implications of tumour-infiltrating lymphocytes for recurrence in epithelial ovarian cancer

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • Yuan Wu
  • Yue Gao
  • Xin Jin
  • Pingbo Chen
  • Qingqing Mo

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Detail(s)

Original languageEnglish
Pages (from-to)36-46
Journal / PublicationClinical and Experimental Immunology
Volume206
Issue number1
Online published30 Jun 2021
Publication statusPublished - Oct 2021

Abstract

The recurrence of patients with epithelial ovarian cancer (EOC) is largely attributed to tumour cells escaping from the surveillance of immune cells. However, to date there is a lack of studies that have systematically evaluated the associations between the infiltration fraction of immune cells and the recurrence risk of EOC. Based on the micro-ribonucleic acid (microRNA) expression profiles of 441 EOC patients, we constructed a microRNA-based panel with recurrence prediction potential using non-negative matrix factorization consensus clustering. Then, we evaluated the association between recurrence risk and infiltration proportions among 10 immune cell types by CIBERSORT and a multivariable Cox regression model. As a result, we identified a 72-microRNA-based panel that could stratify patients into high and low risk of recurrence. The infiltration of plasma cells and M1 macrophages was consistently significantly associated with the risk of recurrence in patients with EOC. Plasma cells were significantly associated with a decreased risk of relapse [hazard ratio (HR) = 0.58, p = 0.006), while M1 macrophages were associated with an increased risk of relapse (HR = 1.59, p = 0.003). Therefore, the 72-microRNA-based panel, M1 macrophages and plasma cells may hold potential to serve as recurrence predictors of EOC patients in clinical practice.

Research Area(s)

  • epithelial ovarian cancer, M1 macrophage, microRNA, plasma cells, recurrence risk, tumour-infiltrating lymphocytes