(Press-News.org) Insilico Medicine(“Insilico”), a clinical stage generative artificial intelligence (AI)-driven drug discovery company, recently published an early research that it has identified MYT1 as a promising new therapeutic target for breast and gynecological cancer, and discovered a series of novel, potent, and highly selective inhibitors specifically targeting MYT1. These findings were supported by Insilico’s AI-driven generative biology and chemistry engine and published in the Journal of Medicinal Chemistry in Dec 2023.
Across the world, breast and gynecological cancers pose serious threats to women’s health, fertility, and overall quality of life. In order to identify potential targets for new therapeutics, the research team leverage Insilico's proprietary AI-driven target identification platform, PandaOmics, to analyze data of five forms of gynecological cancers, including ovarian, endometrial, cervical, and breast cancer particularly triple-negative breast cancer. Remarkably, MYT1 consistently ranked at the forefront across all diseases in terms of relevance.
MYT1 is a member of the Wee1-kinase family, rarely expressed in most normal tissues but highly expressed in most cancer types. It has been reported that MYT1 inhibition and CCNE1 amplification, a condition known as synthetic lethality, play crucial functions in cell cycle regulation, which indicates MYT1 inhibition is a promising synthetic lethal therapeutic strategy for the treatment of cancers with genome instability (e.g. CCNE1 amplification).
However, MYT1 is highly homologous to Wee1, which makes it challenging to design selective MYT1 inhibitors. In this study, Insilico addressed the gap in selective MYT1 inhibitors with the support of Chemsitry42, Insilico’s AI-driven small molecule generation platform. Using structure-based drug design (SBDD) strategies and applying rigorous filters for similarity and selectivity, Insilico designed an array of compounds targeting MYT1 from scratch. Amongst these novel compounds, one series emerged as hit compounds.
Insilico then conducted x-ray crystal structure analysis of the complex and found significant impact on the activity of subtle chemical structure modifications. This knowledge provided guidance for further molecular optimization, leading Insilico to the discovery of the lead compound, Compound 21. Compound 21 presents good MYT1 activity and excellent selectivity over Wee1 and the other kinase panel that reduces the potential risk for off-target effects and might translate to a safer profile. In preclinical studies, it also shows potent in vivo antitumor efficacy, and a promising profile in ADME and PK/PD.
“The innovative approach of this program has not only present a method for effective target identification but has also led to the development of a promising selective MYT1 inhibitor. ”said Yazhou Wang, Ph.D., medicinal chemistry leader of the MYT1 program from Insilico Medicine, and the first author of this paper. “Compound 21 expands Insilico's synthetic lethal pipeline and paves the way toward a safer, more effective therapeutic future for patients battling” gynecological and breast cancers.”
About Insilico Medicine
Insilico Medicine, a global clinical stage biotechnology company powered by generative AI, is connecting biology, chemistry, and clinical trials analysis using next-generation AI systems. The company has developed AI platforms that utilize deep generative models, reinforcement learning, transformers, and other modern machine learning techniques for novel target discovery and the generation of novel molecular structures with desired properties. Insilico Medicine is developing breakthrough solutions to discover and develop innovative drugs for cancer, fibrosis, immunity, central nervous system diseases, infectious diseases, autoimmune diseases, and aging-related diseases. www.insilico.com
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JMC | Insilico Medicine presents the discovery of the potent and selective MYT1 inhibitors for the treatment of cancer through generative AI
2024-01-19
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