ArticleCancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology2026
Spatial Clustering of Recently Activated Cytotoxic Lymphocytes Improves Association with Overall Survival in Women with High-Grade Serous Ovarian Cancer.
Article in Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Functional Data Analysis of Spatial Clustering Identifies Prognostic T Cell Patterns in Ovarian Cancer.bioRxiv : the preprint server for biology · 2026Article
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12 authors.
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Abstract
backgroundA previous study found that adding the spatial context of tumor-infiltrating lymphocytes (TIL) and cytotoxic T lymphocytes (CTL) to abundance improved associations with overall survival (OS) of non-Hispanic Black women with high-grade serous ovarian cancer (HGSOC). This study set out to replicate previous findings in predominantly non-Hispanic White women HGSOC cohorts.
methodsMultiplex immunofluorescence was used to characterize TILs in HGSOC from women enrolled in three epidemiologic studies (N = 433). Spatial clustering of TILs was derived using a permutation approach for Ripley K. Cox proportional hazards models were used for associations of spatial clustering and abundance with OS.
resultsIn models assessing differences in spatial clustering within tumors with a high abundance of TILs (>1%), we found that spatial information significantly improved the model fit for the recently activated CTLs (likelihood ratio test P = 0.008), in which low spatial clustering in high abundance was associated with a decreased risk of mortality (hazard ratio = 0.31; 95% confidence interval, 0.14-0.70; P = 0.004) compared with when the recently activated CTLs were highly clustered.
conclusionsIn this study, we replicated the significantly improved association with OS in mostly White women with HGSOC by including spatial information for the recently activated CTLs. Further research is needed to understand the mechanisms by which recently activated spatial architecture affects survival from HGSOC. IMPACT: This study validates our previous findings that adding spatial context to abundance, especially CTLs or the recently activated CTLs, when performing survival analyses improves the fit of the models.
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