GoKawiilStudy finds mTORC1 overactivity alone triggers reactive astrocytes in tuberous sclerosis models
Researchers used gene-edited human pluripotent stem cell lines carrying TSC mutations to generate astrocytes and brain organoids, finding that hyperactivation of the mTORC1 signaling pathway directly causes astrocytes to become reactive without requiring signals from neurons or other cell types. The work relied on multiple hES and hiPS cell lines that were verified for correct gene editing, pluripotency, and genomic integrity before differentiation experiments.