Abstract
Artificial intelligence (AI) and machine learning (ML) are significantly
transforming drug discovery by allowing the exploration of an extra-large
chemical space, which speeds up and reduces risks in the traditionally costly
and time-consuming process. The SilicoXplore platform, developed by
SilicoScientia Private Limited, exemplifies this progress, providing a
complete, end-to-end drug discovery solution that incorporates over twenty
modules, many of which are specifically developed using ML. This platform
efficiently manages various drug discovery approaches, such as structure-based
and ligand-based drug design, pharmacokinetics, toxicity prediction, molecular
dynamics (MD) simulations, and quantum chemical calculations, for extensive
datasets. A key scientific insight that drives SilicoXplore’s effectiveness is
the integration of physics-based models with machine learning approaches,
combining mechanistic understanding with data-driven prediction power. Glioblastoma
multiforme (GBM), an aggressive and incurable brain tumor driven by EGFR,
indicates a poor prognosis due to its relentless nature. The SilicoXplore
platform was used to identify potential EGFR pathway modulators from existing
compound libraries. Out of 25000 from BindingDB, 19000 compounds were retained
after extensive curation. The ML-based SilicoScreen tool of SilicoXplore
produced a highly predictive, statistically robust model. The SimSearch tool
identified over 10000 active compounds similar to dataset actives, respecting the
non-redundancy of 55145 compounds. ToxAI and SilicoPhysChem pinpointed the top
30 molecules. Additionally, PharmFrag analyzed pharmacophoric features and
selected six promising molecules for EGFR-targeted glioblastoma therapy. Therefore,
SilicoXplore, which combines advanced ML methods with physics-based approaches,
efficiently explores large chemical spaces to find lead-like molecules without
the need for extensive computational resources or programming skills.
