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Kronos Bio, Inc. (NASDAQ:KRON), a company dedicated to developing small molecule therapeutics that address cancers and autoimmune diseases driven by deregulated transcription, today announced preclinical data from its p300 KAT inhibitor program for human papillomavirus (HPV)-driven tumors at the EORTC-NCI-AACR Symposium on Molecular Targets and Cancer Therapeutics.
Kronos Bio is exploring the utility of its p300 KAT inhibitor, KB-9558, for HPV-driven tumors. In the presentation, the authors show that the HPV genome preferentially integrates into transcriptionally active regions in the human genome where it becomes dependent on p300 to drive expression of its E6 and E7 oncogenes. It is widely recognized that elevated transcription of HPV E6 and E7 genes promotes degradation of tumor suppressors p53 and Rb. Importantly, inhibition of p300 KAT activity was highly selective in repressing the transcription of E6 and E7, which in turn led to restoration of the p53 and Rb pathways and drove anti-tumor effects through apoptosis and inhibition of uncontrolled tumor cell growth.
Posted In: KRON
