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Author

Tianyu Liu

4 papers indexed here

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Preprint Sep 2026

RAGCell: Retrieval-Augmented Generation as Supervision for Versatile Single-cell Analysis

Single-cell foundation models (scFMs) are transforming computational biology by enabling generalizable, task-agnostic representations for versatile single-cell analysis. Despite their progress in facilitating rapid deployment for downstream tasks, off-the-shelf scFMs still have some overlooked concerns: (I) (Pretrainin...

Tian-Yu Liu, Fan Zhang, Jia-Yuan Chen et al. · 0 citations
#artificial intelligence Preprint Sep 2026

RareDx: Controlled Knowledge Integration and Graph-Grounded Policy Optimization for Rare-Disease Diagnosis

Rare-disease diagnosis is a long-tail reasoning problem: phenotypes are incomplete, individual disorders are sparsely documented, and relevant evidence is distributed across ontologies, gene annotations, and biomedical text. Language models consequently favor common conditions, miss rare candidates, or produce plausibl...

Bo Zhang, Yu-Chen Wang, Dong-Bai Li et al. · 0 citations
Open access Sep 2026

Single-cell transcriptomic atlas of Alzheimer's disease middle temporal gyrus reveals region, cell type, and sex specificity of gene expression with novel genetic risk for MERTK in female.

BackgroundAlzheimer's disease (AD), the most common age-related neurodegenerative disease, is closely associated with both amyloid-β plaque and neuroinflammation. Two thirds of AD patients are female, and they have a higher disease risk; women with AD have more extensive brain histological changes than men along with m...

Le Zhang, Tian-Yu Liu, Chuan He et al. · 0 citations
Open access Jul 2026

Cell-type-specific polygenic risk scores reveal adipocyte-related interactions with lipids in coronary artery disease

Cell-type-specific decomposition of genome-wide PRSs for CAD identified biologically distinct lipid interactions that were not captured by the genome-wide PRS, highlighting the potential of cell-type-informed PRSs to improve the biological interpretation of PRSs and provide insights into the heterogeneous mechanisms un...

Jia-Qi Hu, Le-Qi Xu, Tian-Yu Liu et al. · 0 citations

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