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Abstract Induced pluripotent stem cell-derived retinal organoids (ROs) have become promising personalized models to study inherited retinal diseases (IRDs) and develop new therapies. Although ROs mimic key retinal features and show some light responsiveness, their differentiation and maturation remain limited and lengthy.
Abstract Human development relies on the correct replication, maintenance and segregation of our genetic blueprints. How these processes are monitored across embryonic lineages, and why genomic mosaicism varies during development remain unknown. Using pluripotent stem cells, we identify that several patterning signals—including WNT, BMP, and FGF—converge into the modulation of DNA replication stress and damage during S-phase, which in turn controls chromosome segregation fidelity in mitosis.
New Results doi: https://doi.org/10.1101/2023.07.18.549463 Abstract The development and homeostasis of organisms rely on the correct replication, maintenance and segregation of their genetic blueprints. How these intracellular processes are monitored across generations of different human cellular lineages, and why the spatio-temporal distribution of mosaicism varies during development remain unknown.
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