Cell-to-cell variability and gain of methylation at polycomb CpG islands as a hallmark of aging
Hagit Masika, Shmuel Ruppo, Stephen J. Clark, Marc Jan Bonder, Ferdinand von Meyenn, Merav Hecht, Shari Orlanski, Efrat Katsman, Oriya Vardi, Abraham Zlotogorski, Tahel Fachler, Sharona Elgavish, Yuval Dor, Wolf Reik, Tommy Kaplan, Howard Cedar
The paper identifies average polycomb CpG methylation as a hallmark of cellular aging using single-cell whole-genome methylation data, showing cell-to-cell variability and accelerated aging in faster proliferating cells.
Nature Communications · Jun 9, 2026Peer-reviewedGenomics