Genome-Anchored Foundation Model Embeddings Improve Molecular Prediction from Histology Images

• URL: http://arxiv.org/abs/2506.19681v1
• Date: Tue, 24 Jun 2025 14:48:12 GMT
• Title: Genome-Anchored Foundation Model Embeddings Improve Molecular Prediction from Histology Images
• Abstract summary: PathLUPI uses transcriptomic privileged information during training to extract genome-anchored histological embeddings.<n>It achieves AUC $geq$ 0.80 in 14 of the biomarker prediction and molecular subtyping tasks and C-index $geq$ 0.70 in survival cohorts of 5 major cancer types.
• Score: 22.274588547000352
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Precision oncology requires accurate molecular insights, yet obtaining these directly from genomics is costly and time-consuming for broad clinical use. Predicting complex molecular features and patient prognosis directly from routine whole-slide images (WSI) remains a major challenge for current deep learning methods. Here we introduce PathLUPI, which uses transcriptomic privileged information during training to extract genome-anchored histological embeddings, enabling effective molecular prediction using only WSIs at inference. Through extensive evaluation across 49 molecular oncology tasks using 11,257 cases among 20 cohorts, PathLUPI demonstrated superior performance compared to conventional methods trained solely on WSIs. Crucially, it achieves AUC $\geq$ 0.80 in 14 of the biomarker prediction and molecular subtyping tasks and C-index $\geq$ 0.70 in survival cohorts of 5 major cancer types. Moreover, PathLUPI embeddings reveal distinct cellular morphological signatures associated with specific genotypes and related biological pathways within WSIs. By effectively encoding molecular context to refine WSI representations, PathLUPI overcomes a key limitation of existing models and offers a novel strategy to bridge molecular insights with routine pathology workflows for wider clinical application.

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