Computational Biology Portfolio

Abhishek Murti

San Francisco, USA

Computational biologist and bioinformatician at UCSF with 4+ years of hands-on work in single-cell, single-nuclei, and spatial transcriptomics. I build production-grade analysis pipelines and research software for liver disease and tumor microenvironment discovery. I'm also developing a foundation model for the liver.

Tooling and Platform Engineering

Production tools and modeling systems for transcriptomics and computational pathology.

Foundation Model

LiverTransformer

Liver-specific transformer (23.6M parameters) pre-trained using masked gene prediction on 1.04M human liver cells (36K genes, 7 diseases, 125 cell types), with strong transfer to spatial transcriptomics tasks including hepatocyte zonation.

  • Framework: PyTorch
  • Scale: 1.04M cells from CellxGene Census
  • Status: Active research platform (public repo pending)

Spatial Genomics

spatialzones

Python package for inside/interface/outside tumor region assignment in spatial transcriptomics using nearest-neighbor context, with built-in visual diagnostics and downstream expression profiling.

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Spatial + Atlas

spatialxgene

Toolkit for bridging spatial transcriptomics outputs with CellxGene-style exploratory workflows, including utilities for region-aware expression analysis and dataset handoff for interactive atlas inspection.

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Julia Toolkit

scAM.jl

Open-source Julia package for transcriptomics analysis from preprocessing through clustering, marker discovery, and UMAP, built as a high-performance alternative to typical R/Python workflows.

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AI Scientist

sc-ai-hb

End-to-end Python framework that combines single-cell tumor profiles with LLM reasoning to classify hepatoblastoma subtypes and generate biologically interpretable hypotheses with supporting literature context.

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Research Snapshot

Current focus areas and selected publications.

UCSF Projects

  • Hepatoblastoma Tumor Atlas: Building single-cell and single-nuclei atlases to map transcriptional heterogeneity and subtype-specific programs in pediatric liver cancer.
  • Autoimmune Hepatitis: Integrating bulk, single-nuclei, and spatial transcriptomics from biopsies to identify candidate autoantigens and actionable immune pathways.