Cited by 62Cell Image Analysis TechniquesComputational Drug Discovery MethodsAdvanced Proteomics Techniques and Applications

Large-scale cytological profiling for functional analysis of bioactive compounds

Woehrmann, Marcos H, Bray, Walter M, Durbin, James K, Nisam, Sean C, Michael, Alicia K, Glassey, Emerson, Stuart, Joshua M, Lokey, R. Scott·2013·Molecular BioSystems

Abstract

Cytological profiling (CP) is an unbiased image-based screening technique that uses automated microscopy and image analysis to profile compounds based on numerous quantifiable phenotypic features. We used CP to evaluate a library of nearly 500 compounds with documented mechanisms of action (MOAs) spanning a wide range of biological pathways. We developed informatics techniques for generating dosage-independent phenotypic “fingerprints” for each compound, and for quantifying the likelihood that a compound's CP fingerprint corresponds to its annotated MOA. We identified groups of features that distinguish classes with closely related phenotypes, such as microtubule poisons vs. HSP90 inhibitors, and DNA synthesis vs. proteasome inhibitors. We tested several cases in which cytological profiles indicated novel mechanisms, including a tyrphostin kinase inhibitor involved in mitochondrial uncoupling, novel microtubule poisons, and a nominal PPAR-gamma ligand that acts as a proteasome inhibitor, using independent biochemical assays to confirm the MOAs predicted by the CP signatures. We also applied maximal-information statistics to identify correlations between cytological features and kinase inhibitory activities by combining the CP fingerprints of 24 kinase inhibitors with published data on their specificities against a diverse panel of kinases. The resulting analysis suggests a strategy for probing the biological functions of specific kinases by compiling cytological data from inhibitors of varying specificities.

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Crossref · 10.1039/c3mb70245f

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  • Using multiple marker panels allows surveying a broader spectrum of features and can reduce the risk of bleed-through between fluorescent channels.

    “Using multiple marker panels19,23 allows for surveying a broader spectrum of features and can reduce the risk of bleed-through between fluorescent channels depending on the assay design.”

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Authors
Woehrmann, M. H., Bray, W. M., Durbin, J. K., Nisam, S. C., Michael, A. K., Glassey, E., Stuart, J. M., & Lokey, R. S.
Affiliations
University of California, Santa Cruz (US)
Corresponding author
  • Stuart, Joshua M
  • Lokey, R. Scott
Venue
Molecular BioSystems
Published
2013-08-20
Volume
9
Issue
11
Pages
2604-2617
ISSN
  • 1742-2051 (ISSN-L)
  • 1742-206X
OpenAlex
W1963836342
Cited by
62
References
41
Citations by year
2026: 6 · 2025: 7 · 2024: 9 · 2023: 4 · 2022: 5 · 2021: 7 · 2020: 2 · 2019: 5 · 2018: 2 · 2017: 5 · 2016: 4 · 2015: 5 · 2014: 1
FWCI
2.02
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular BioSystems (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of General Medical Sciences (R01GM084530)
  • National Center for Research Resources (S10RR022455)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Cell Image Analysis Techniques
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
Keywords
mechanism of action, bioactive compounds, image-based screening, microtubule poisons, Hsp90 inhibitors, proteasome inhibitors, mitochondrial uncoupling, PPARγ ligands, kinase inhibitors, kinase specificity, compound library screening
MeSH terms
Drug Evaluation, Preclinical, Humans, Microscopy, Phenotype, Reproducibility of Results, Informatics, Small Molecule Libraries, Drug Discovery, Molecular Imaging, High-Throughput Screening Assays, Automation, Laboratory

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