CellPyAbility: automated image analysis for high-throughput dose-response screening.

Elia, James L; Friedman, Sam; Bindra, Ranjit S · Bioinformatics · 2026

basic_science · Level V

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Abstract

Nuclei counting provides a low-cost, metabolic-independent alternative to ATP- or tetrazolium-based cell viability assays. However, the fragmentation of image processing, normalization, and statistical modeling across multiple software platforms hinders high-throughput adoption. We present CellPyAbility, a Python-based suite that automates image processing, dose-response fitting, and synergy analysis. It converts unedited whole-well images into publication-ready graphics in under one minute per 96-well plate on standard desktop hardware. CellPyAbility is open-source (MIT License) and available as a Python package via PyPI and Bioconda, or as a code-free application for macOS and Windows. Source code and documentation are available at https://github.com/bindralab/cellpyability and on Zenodo at https://doi.org/10.5281/zenodo.20693745. Supplementary data are available at Bioinformatics online.