A CRISPR/Cas9-based kinome screen identifies ErbB signaling as a new regulator of human naïve pluripotency and totipotency
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View abstract on PubMed
Summary
This summary is machine-generated.Understanding human totipotency and naïve pluripotency is key for early development. Inhibiting ErbB family kinases promotes this transition, offering new insights into stem cell regulation.
Area Of Science
- Developmental Biology
- Stem Cell Biology
- Genetics
Background
- Totipotency and naïve pluripotency are critical for human embryonic development.
- Mechanisms regulating these states, particularly signaling pathways, are poorly understood in humans.
Purpose Of The Study
- To investigate the mechanisms regulating human naïve pluripotency and totipotency.
- To identify key signaling pathways involved in maintaining or transitioning between these pluripotent states.
Main Methods
- Utilized CRISPR/Cas9 kinome knockout screening to analyze 763 kinases.
- Employed human extended pluripotent stem cells (hEPSCs) as a model system.
- Validated findings using small molecule inhibitors targeting specific kinases.
Main Results
- Disruption of specific kinases impacts human naïve pluripotency.
- Inhibition of ErbB family kinases promotes the conversion of hEPSCs to naïve pluripotent stem cells.
- ErbB family inhibition also induces totipotent signatures in human pluripotent cells.
Conclusions
- Identified ErbB family kinases as crucial regulators of human naïve pluripotency.
- Demonstrated that ErbB inhibition can promote totipotent signatures.
- Provided novel mechanistic insights into the regulation of human pluripotency states.
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