Paper Detail
Han Zhang, Guo-Hua Yuan, Chaohao Yuan, Tingyang Xu, Tian Bian, Hong Cheng, Wenbing Huang, Deli Zhao, Yu Rong
Modeling cellular states and predicting their responses to perturbations are central challenges in computational biology and the development of virtual cells. Existing foundation models for single-cell transcriptomics provide powerful static representations, but they do not explicitly model the distribution of cellular states for generative simulation. Here, we introduce Lingshu-Cell, a masked discrete diffusion model that learns transcriptomic state distributions and supports conditional simulation under perturbation. By operating directly in a discrete token space that is compatible with the sparse, non-sequential nature of single-cell transcriptomic data, Lingshu-Cell captures complex transcriptome-wide expression dependencies across approximately 18,000 genes without relying on prior gene selection, such as filtering by high variability or ranking by expression level. Across diverse tissues and species, Lingshu-Cell accurately reproduces transcriptomic distributions, marker-gene expression patterns and cell-subtype proportions, demonstrating its ability to capture complex cellular heterogeneity. Moreover, by jointly embedding cell type or donor identity with perturbation, Lingshu-Cell can predict whole-transcriptome expression changes for novel combinations of identity and perturbation. It achieves leading performance on the Virtual Cell Challenge H1 genetic perturbation benchmark and in predicting cytokine-induced responses in human PBMCs. Together, these results establish Lingshu-Cell as a flexible cellular world model for in silico simulation of cell states and perturbation responses, laying the foundation for a new paradigm in biological discovery and perturbation screening.
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@misc{zhang2026lingshu,
title = {Lingshu-Cell: A generative cellular world model for transcriptome modeling toward virtual cells},
author = {Han Zhang and Guo-Hua Yuan and Chaohao Yuan and Tingyang Xu and Tian Bian and Hong Cheng and Wenbing Huang and Deli Zhao and Yu Rong},
year = {2026},
abstract = {Modeling cellular states and predicting their responses to perturbations are central challenges in computational biology and the development of virtual cells. Existing foundation models for single-cell transcriptomics provide powerful static representations, but they do not explicitly model the distribution of cellular states for generative simulation. Here, we introduce Lingshu-Cell, a masked discrete diffusion model that learns transcriptomic state distributions and supports conditional simula},
url = {https://huggingface.co/papers/2603.25240},
keywords = {masked discrete diffusion model, single-cell transcriptomics, cellular state distribution, conditional simulation, perturbation response, discrete token space, transcriptome-wide expression dependencies, Virtual Cell Challenge, genetic perturbation benchmark, cytokine-induced responses, huggingface daily},
eprint = {2603.25240},
archiveprefix = {arXiv},
}
{}