Dynamics of molecular heterogeneity in high-risk luminal breast cancer—From intrinsic to adaptive subtyping

IF 48.8 1区医学 Q1 CELL BIOLOGY Cancer Cell Pub Date : 2025-02-10 DOI:10.1016/j.ccell.2025.01.002

Carsten Denkert, Sivaramakrishna Rachakonda, Thomas Karn, Karsten Weber, Miguel Martin, Frederik Marmé, Michael Untch, Hervé Bonnefoi, Sung-Bae Kim, Sabine Seiler, Harry D. Bear, Agnieszka K. Witkiewicz, Seock-Ah Im, Angela DeMichele, Anika Pehl, Laura van't Veer, Nicole McCarthy, Thorsten Stiewe, Paul Jank, Karen A. Gelmon, Sibylle Loibl

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Abstract

We evaluate therapy-induced molecular heterogeneity in longitudinal samples from high-risk, hormone-receptor positive/HER2-negative breast cancer patients with residual tumor after neoadjuvant chemotherapy from the Penelope-B trial (NCT01864746; EudraCT 2013-001040-62). Intrinsic subtypes are prognostic in pre-therapeutic (Tx) samples (n = 629, p < 0.0001) and post-Tx residual tumors (n = 782, p < 0.0001). After neoadjuvant chemotherapy, a shift of intrinsic subtypes is observed from pre-Tx luminal (Lum) B to post-Tx LumA, with reverse transition back to LumB in metastases. In a combined analysis of 540 paired pre-Tx and post-Tx samples, we identify five adaptive clusters (AC-1–5) based on transcriptomic changes before and after neoadjuvant chemotherapy. These AC-subtypes are prognostic beyond classical intrinsic subtyping, categorizing patients into groups with excellent prognosis (AC-1 and AC-2), poor prognosis (AC-3 and AC-4), and very poor prognosis (AC-5, enriched for basal-like subtype). Our analysis provides a basis for an extended molecular classification of breast cancer patients and improved identification of high-risk patient populations.

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来源期刊

Cancer Cell 医学-肿瘤学

CiteScore

55.20

自引率

1.20%

发文量

179

审稿时长

4-8 weeks

期刊介绍： Cancer Cell is a journal that focuses on promoting major advances in cancer research and oncology. The primary criteria for considering manuscripts are as follows: Major advances: Manuscripts should provide significant advancements in answering important questions related to naturally occurring cancers. Translational research: The journal welcomes translational research, which involves the application of basic scientific findings to human health and clinical practice. Clinical investigations: Cancer Cell is interested in publishing clinical investigations that contribute to establishing new paradigms in the treatment, diagnosis, or prevention of cancers. Insights into cancer biology: The journal values clinical investigations that provide important insights into cancer biology beyond what has been revealed by preclinical studies. Mechanism-based proof-of-principle studies: Cancer Cell encourages the publication of mechanism-based proof-of-principle clinical studies, which demonstrate the feasibility of a specific therapeutic approach or diagnostic test.