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Posts by Izidor Sosič

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Allosteric PROTACs: Expanding the Horizon of Targeted Protein Degradation Proteolysis-targeting chimeras (PROTACs) have transformed the concept of chemical intervention in biological systems by co-opting the ubiquitin–proteasome system to selectively degrade proteins. A key...

Allosteric PROTACs: Expanding the Horizon of Targeted Protein Degradation | Journal of the American Chemical Society pubs.acs.org/doi/10.1021/...

1 month ago 9 5 0 0
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Discovery and Optimization of Orally Bioavailable Heterobifunctional Degraders of KAT2A/B for the Treatment of Cancer Using our proprietary AI/ML platform AURIGIN that maps tumor cells against normal developmental pathways, we identify targets that have been hijacked by cancerous cells to maintain a highly plastic proliferative cell state. We identified the histone acetyltransferase KAT2A as a key driver of tumor cell plasticity in a subset of acute myeloid leukemias (AML) and neuroendocrine carcinomas such as small cell lung cancer (SCLC) and neuroendocrine prostate cancer (NEPC). Herein, we describe our development of heterobifunctional degraders of KAT2A/B, resulting in compound 7, a picomolar degrader that is capable of inhibiting proliferation of AML (MOLM-13) and SCLC (NCI–H1048) cell lines in vitro and demonstrates robust degradation of KAT2A in NCI–H1048 engrafted mice when administered IP. Building on the success of compound 7, we subsequently developed orally bioavailable degraders of KAT2A/B, exemplified by compound 24, that achieved an oral bioavailability of 47% in mice.

Discovery and Optimization of Orally Bioavailable Heterobifunctional Degraders of KAT2A/B for the Treatment of Cancer

1 month ago 3 1 0 0
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Interested in Activity-based Protein Profiling?

We are excited to host the 15th Activity-based Protein Profiling meeting (@abpp2027.bsky.social #ABPP2027) on June 2nd to 4th, 2027, at Naturalis in Leiden.

Save the date and sign up for our mailing list: www.universiteitleiden.nl/en/science/l...

1 month ago 13 7 0 0

Hello, we are AITHYRA!
I am very excited to share with you the corporate identity of AITHYRA, the Research Institute for Biomedical AI.

Check out the brand design video (sound on!) to learn more.

**REMINDER**
One week left to apply for Starting PI positions (Life Science and AI/ML). Come join us!

11 months ago 20 8 0 0

I am on a similar 'detox' path. Surely this platform will very soon become something we all missed at the other place...

1 year ago 1 0 0 0