Evidence map›Paper›PMID 41815128›Full record

ArticleTranslational cancer research2026

Tumor-intrinsic B4GALNT3 expression drives a protective immune microenvironment in endometriosis-associated ovarian cancer.

Li Luo, Zirui Zhu, Weiwei Dai, Na Cao, Mingzhu Ye

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Article in Translational cancer research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Li LuoDepartment of Obstetrics and Gynecology, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China.
Zirui ZhuSchool of Medicine, Xiamen University, Xiamen, China.
Weiwei DaiDepartment of Obstetrics and Gynecology, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China.
Na CaoDepartment of Obstetrics and Gynecology, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China.
Mingzhu YeDepartment of Obstetrics and Gynecology, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China.

Funding

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6 · The paper itself

Abstract

Background: Although endometriosis-associated ovarian cancer (EAOC) is considered a separate clinical entity, no specific prognostic biomarkers aid in its management. This has, therefore, been among the factors hindering the development of tailored treatments. We aim to develop a robust, histotype-aware biomarker for EAOC through an integrative computational approach to explain its association with the tumor immune microenvironment. Methods: A multi-stage bioinformatics approach using multiple independent Gene Expression Omnibus (GEO) cohorts was employed. We extracted consensus differentially expressed genes (DEGs) from three discovery datasets (EAOC Results: From our analysis, we identified 75 consensus DEGs distilled into five hub genes. Among these, B4GALNT3 was the key candidate. While the pan-ovarian cancer meta-analysis showed a non-significant protective trend, we confirmed in our EAOC-enriched validation cohort that high B4GALNT3 expression was significantly associated with improved overall survival [hazard ratio (HR) =0.350, P=0.04]. It showed robust diagnostic potential with an overall area under the curve (AUC) of 0.962 [95% confidence interval (CI): 0.923-0.993] in leave-one-dataset-out cross-validation among discovery datasets. Immune deconvolution revealed that B4GALNT3 expression correlated with an anti-tumor microenvironment composed of increased levels of plasma B cells, memory B cells, and activated dendritic cells, with decreased regulatory T cells and M2 macrophages. Finally, scRNA-seq analysis confirmed that B4GALNT3 was intrinsically highly expressed in malignant and epithelial cells, with low expression in immune lineages. Conclusions: B4GALNT3 is a novel, subtype-specific protective biomarker in EAOC. Our findings support a mechanism by which tumor-cell-intrinsic expression of B4GALNT3 drives protection from immune microenvironments. This work identifies B4GALNT3 as a promising prognostic factor and potential target for further mechanistic studies and protein-level validation in EAOC.

Indexed as

B4GALNT3bioinformaticsEndometriosis-associated ovarian cancer (EAOC)single-cell RNA sequencing (scRNA-seq)tumor immune microenvironment

Identifiers

PMID41815128
PMCPMC12971566

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.