Authors
Huamin Gu, Ling Kang, Liujing Huang, Junxuan Zhu, Tingting Wang, Yao Qian, Kai He, Lilong Fan, Hongsheng Lu, Rong Deng, Siqi Wang, Yingzhi Yu
Published in
International journal of surgical pathology. Pages 10668969261479344. Sep 22, 2026. Epub Sep 22, 2026.
Abstract
AimsTo systematically analyze the immunohistochemical expression patterns of NECTIN4 and TROP2 in breast cancer, their clinicopathological correlations, and associations with PDL1 status.Materials and methodsNECTIN4 (H-score), TROP2 (H-score), and PDL1 (Combined Positive Score, CPS) expression were evaluated in 112 surgically resected breast carcinomas using validated immunohistochemical assays. Associations with clinicopathological variables were analyzed using Spearman's correlation, χ2 tests, and Mann-Whitney U tests.ResultsNECTIN4 exhibited moderate-to-high expression (H-score ≥ 100) in 78% of specimens, predominantly localized to the cell membrane, and showed a significant positive correlation with HER2 positivity (ρ = 0.27, P < .01). TROP2 displayed near-ubiquitous moderate-to-high expression (96%) and exhibited higher expression in the triple-negative breast cancer (TNBC) subtype. Notably, there was no significant correlation between NECTIN4 or TROP2 and PDL1 co-expression.ConclusionsThis study provides a comprehensive characterization of NECTIN4 and TROP2 expression in breast cancer, suggesting their potential as biomarkers. The observed associations with PDL1 and clinicopathological features may inform future investigations into their biological roles and clinical relevance.
PMID:
42770457
Bibliographic data and abstract were imported from PubMed on 22 Sep 2026.
Read full publication at:
Please sign in
to see all details.
Advertisement
Stats
- Recommendations n/a n/a positive of 0 vote(s)
- Views 17
- Comments 0