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VeloceGenomics: An Accelerated in Vivo Drug Discovery Approach to Rapidly Predict the Biologic, Drug-Like Activity of Compounds, Proteins, or Genes

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Purpose

The aim of this study is to test the predictive power of in vivo multiorgan RNA expression profiling in identifying the biologic activity of molecules.

Methods

Animals were treated with compound A or B. At the end of the treatment period, in vivo multiorgan microarray-based gene expression data were collected. Investigators masked to the identity of the compounds analyzed the transcriptome signatures to define the molecular pathways affected by treatment and to hypothesize the biologic activity and potential therapeutic indications of the blinded compounds.

Results

For compound A, G-protein-coupled receptors and factors associated with cell growth were affected—growth hormone/insulin-like growth factor-1, glucagon/insulin axes, and general somatomedin-like activity. Deblinding showed the compound to be a somatostatin analog, SOM230, confirming the accuracy of the predicted biologic activity. For compound B, components of the inflammatory cascade potentially mediated by lipopolysaccharide, tumor necrosis factor, or proinflammatory cytokines were affected. The gene expression signatures were most consistent with an interleukin-6 family activity. Deblinding revealed that compound B was leukemia inhibitory factor.

Conclusions

VeloceGenomics is a strategy of coupling in vivo compound testing with genomic technologies. The process enables prediction of the mechanism of action and, coupled with other relevant data, prediction of the suitability of compounds for advancement in the drug development process.

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Abbreviations

AMPA:

α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid

ERK:

extracellular signal-related kinase

GH:

growth hormone

GPCR:

G-protein-coupled receptor

IGF:

insulin-like growth factor

IL:

interleukin

JAK:

Janus kinase

LIF:

leukemia inhibitory factor

LPS:

lipopolysaccharide

LRR:

leucine-rich repeats

MAPK:

mitogen-activated protein kinase

NF-κβ:

nuclear factor kappa beta

OSM:

oncostatin M

PI3K:

phosphatidylinositol 3 kinase

SOCS:

suppressor of cytokine signaling

SSTR:

somatostatin receptors

STAT:

signal transducer and activator of transcription

TIMP:

tissue inhibitor of metalloproteinase

TLR:

Toll-like receptor

TRAF:

tumor necrosis factor receptor-associated factor

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Acknowledgments

The authors thank Nicole Hartmann for expert technical assistance and Mark Bossie, PhD, and Maribeth Bogush, PhD, for assistance in preparation of the manuscript. This work was funded by Novartis Pharma AG.

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Correspondence to Salah-Dine Chibout.

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Papoian, R., Scherer, A., Saulnier, M. et al. VeloceGenomics: An Accelerated in Vivo Drug Discovery Approach to Rapidly Predict the Biologic, Drug-Like Activity of Compounds, Proteins, or Genes. Pharm Res 22, 1597–1613 (2005). https://doi.org/10.1007/s11095-005-6809-8

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  • DOI: https://doi.org/10.1007/s11095-005-6809-8

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