Karim-Jean Armache

@kjarmache.bsky.social

GirlDad, Husband, Scientist

Honored to be named the Laura and Isaac Perlmutter Endowed Chair in Biochemistry at NYU Grossman School of Medicine. Grateful to my mentors, lab members, and the NYU community—and most of all, to my amazing family for their constant support!

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This will be *the* place to be to hear about hot-off-the-press new findings from academic and industry leaders, bridging basic chromatin and gene regulatory mechanisms with new precision medicine approaches! Don’t miss it!! @kjarmache.bsky.social and I are looking forward to welcoming you!

Karim-Jean Armache@kjarmache.bsky.social · 10mo ago

Join us in Geneva (March, 2026) for the Keystone Symposium Epigenetics & Gene Regulation in Health and Disease, co-organized with @ckadoch.bsky.social — linking epigenetic mechanisms with therapeutic innovation. Apply for a short talk! #KSEpigenetics26 #epigenetics #chromatin #KeystoneSymposia

Please see our paper in Nature on read-write mechanisms of H2AK119 ubiquitination by Polycomb repressive complex I. Congrats to the whole team, especially Victoria and huge thanks to our collaborator JP Armache! Also big thanks to Mark Foundation for Cancer Research for the support! rdcu.be/dZ5HZ

Read–write mechanisms of H2A ubiquitination by Polycomb repressive complex 1

Nature - Cryo-electron microscopy and biochemical studies elucidate the read–write mechanisms of non-canonical PRC1-containing RYBP in histone H2A lysine 119 monoubiquitination and their...

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This paper marks our trilogy on H2AK119Ub mechanisms. We have now characterized: PRC1 (the Writer), BAP1/ASXL1 (the Eraser) and DNMT3A1 (the Reader) of H2AK119Ub in collaboration with the amazing labs of Chao Lu, JP Armache, Diego Pasini, Mike Keogh and the Epicypher and Evgeny Nudler.