Lab News


October 14, 2021

New Lab Member!

Welcome research associate Eden Teferi to the lab!

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September 24, 2021

New Review Publication!

Polycomb Repressive Complex(es) and Their Role in Adult Stem Cells

Pooja Flora, Gil Dalal, Idan Cohen, and Elena Ezhkova


September 21, 2021

New Lab Member!

Welcome Postdoctoral Fellow Radhika Rao to the lab!


September 15, 2021 Interview

Elena and Meng Yen were interviewed by MedicalResearch about our recent publication in

Developmental Cell. Thanks to MedicalResearch for giving us this opportunity!

The interview can be found at this link:


September 14, 2021

HCPLive Interview

Elena chatted with HCPLive about our recent publication on epigenetic regulation of epidermal pigmentation. The interview can be found using this link:

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September 1, 2021

New Publication!

UV-induced reduction in Polycomb repression promotes epidermal pigmentation

Meng-Yen Li, Pooja Flora, Hong Pu, Carmit Bar,  Jose Silva,  Idan Cohen, Phillip M Galbo Jr, Hequn Liu, Xufen Yu, Jian Jin, Haruhiko Koseki, John A D'Orazio, Deyou Zheng, Elena Ezhkova


September 1, 2021

New Grant in the Lab!

Congratulations Meagan for receiving an NIH/NIAMS Diversity Supplement Award!

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August 28, 2021

SJS/TEN Conference Talk

Elena gave a virtual talk at the SJS/TEN 2021 Conference. The title of her talk was “The role of epigenomics in skin health and inflammation.”

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June 30, 2021

Thesis Proposal Defense

Congratulations to Madison for successfully defending her thesis proposal. Madison is now officially a PhD candidate!


June 7, 2021

GRC Webinar Talk

Meng Yen gave a talk at the GRC Series Webinar. The title of his talk was “UV-induced reduction in Polycomb repression promotes epidermal pigmentation.”


April 8, 2021

UPenn Epigenetics Institute Seminar

Elena gave a virtual seminar at the UPenn Epigenetics Institute. The title of her talk was “Epidermal Stem Cell and Their Epigenetic Regulation."


March 9, 2021

NYC Chromatin Club

Congratulations Carmit for presenting at NYC chromatin club and winning a CUTANA CUT&RUN kit for an outstanding presentation!


February 2021

New Publication

Polycomb complexes redundantly maintain epidermal stem cell identity during development

Idan Cohen* , Carmit Bar*Hequn LiuVictor J ValdesDejian ZhaoPhillip M Galbo JrJose M SilvaHaruhiko KosekiDeyou Zheng, Elena Ezhkova 


December 2020

New Graduate Student

Welcome, Meagan Branch!


November 2020

New Review article

Regulatory mechanisms governing epidermal stem cell function during development and homeostasis

Pooja Flora, Elena Ezhkova


May 2020

Congratulations Carmit for winning the Arthur Cederbaum mentoring by a graduate student award!

Achievement award ceremony is going virtual! May 14, 2020 3:00pm


December 2019


Congratulations Pooja for winning the NYSTEM training grant for stem cell biology  December 17, 2019


December 2019

BFSCI Skin Club

We were proud to be a part of the BFSCI Skin Club organizing committee!

December 9, 2019, Icahn School of Medicine at Mount Sinai

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December 2019

New Graduate student

Welcome, Madison Weber!


December 2019


Congratulations Carmit for winning the BFSCI Skin Club best poster presentation!  December 9, 2019, Icahn School of Medicine at Mount Sinai


July 2019

New Publication

Congratulations to Carmit for the publication "Polycomb Repressive Complex 1 Controls Maintenance of Fungiform Papillae by Repressing Sonic Hedgehog Expression"


July 2019

Congratulations to Idan and Carmit for fantastic talks at the GRS and GRC on Epidermal Differentiation and Keratinization

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May 2019

Congratulations to Idan for giving a plenary talk at the SID annual meeting!

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April 2019

New Publication

Congratulations to Minh for the publication "Dissection of Merkel cell formation in hairy and glabrous skin reveals a common requirement for FGFR2-mediated signalling"

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January 2019

New Publication and cover!

Congratulations to Idan for the publication "PRC1 preserves epidermal tissue integrity independently of PRC2"

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