Interview with Dr. Jonny Wray, e-Therapeutics
Clean compound and bioactivity data are essential to successful modeling of the impact of a compound on a biological system
e-Therapeutics is a drug development group in Oxford, UK, that uses a network biology approach to discover novel drug candidate for biologically complex diseases. Trained as a computational neuroscientist, Dr. Johnny Wray joined e-Therapeutics in hopes of solving a very real problem in pharmaceutical development by using network models.
In building and observing its network models, e-Therapeutics relies on its virtual compound library as a vital component of its workflow. The library contains roughly 10 million compounds — approximately half with known bioactivity data and the other half with activity information predicted by machine learning.
The hardest part in building our compound library was establishing the pipeline to extract, transform and load data from multiple sources, each with its own structure. Our biggest issue is cleaning up source data and this is no simple task. Things as simple as spelling mistakes can impair our pipeline, Wray explained.
"We have empirically proven that our network-based approach to drug discovery works." Dr. Johnny Wray
Today, there seems to be a paradigm shift in the methodologies being used to identify and optimize new drugs.
We know that compounds often affect more than one target and that future drug development must accommodate and even capitalize on that. Phenotypic screening is also becoming more popular again. Independent of the idea of networks, the growing appreciation that no one gene can be responsible for complex phenotypes, and that it is necessary to measure multiple factors to truly assess the value of a compound as a drug, is heartening, Wray explained.
It means we are moving in the right direction!
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