Tensor Network based Gene Regulatory Network Inference for Single-Cell Transcriptomic Data

• URL: http://arxiv.org/abs/2509.06891v1
• Date: Mon, 08 Sep 2025 17:11:12 GMT
• Title: Tensor Network based Gene Regulatory Network Inference for Single-Cell Transcriptomic Data
• Authors: Olatz Sanz Larrarte, Borja Aizpurua, Reza Dastbasteh, Ruben M. Otxoa, Josu Etxezarreta Martinez,
• Abstract summary: This study introduces a quantum-inspired framework leveraging tensor networks (TNs) to optimally map expression data.<n>We quantify gene dependencies and establish statistical significance via permutation testing.<n>By merging quantum physics inspired techniques with computational biology, our method provides novel insights into gene regulation.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Deciphering complex gene-gene interactions remains challenging in transcriptomics as traditional methods often miss higher-order and nonlinear dependencies. This study introduces a quantum-inspired framework leveraging tensor networks (TNs) to optimally map expression data into a lower dimensional representation preserving biological locality. Using Quantum Mutual Information (QMI), a nonparametric measure natural for tensor networks, we quantify gene dependencies and establish statistical significance via permutation testing. This constructs robust interaction networks where the edges reflect biologically meaningful relationships that are resilient to random chance. The approach effectively distinguishes true regulatory patterns from experimental noise and biological stochasticity. To test the proposed method, we recover a gene regulatory network consisted of six pathway genes from single-cell RNA sequencing data comprising over $28.000$ lymphoblastoid cells. Furthermore, we unveil several triadic regulatory mechanisms. By merging quantum physics inspired techniques with computational biology, our method provides novel insights into gene regulation, with applications in disease mechanisms and precision medicine.

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