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Down Syndrome Ages Cells Throwing Neural Nuclei into Disarray

MIT scientists show that the extra copy of chromosome 21 in Down syndrome disrupts the 3D-genome, epigenome, and transcriptome of neural progenitor cells such that they resemble aged cells. The molecular changes result in functional deficits in cell proliferation and migration in the trisomy 21 bearing developmental cells. Treatment of patient-derived neural progenitor cells with a senolytic drug combination consisting of dasatinib and quercetin ameliorates these disruptions. ....

United States , San Diego , Anita Bhattacharyya , Hiruy Meharena , Li Huei Tsai , University Of California , Alana Down Syndrome Center , Burroughs Wellcome Fund , Lumind Foundation , Massachusetts Institute Of Technology , National Institutes Of Health , Jalana Center , Picower Institute For , Alana Foundation , University Of Wisconsin , Massachusetts Institute , Cell Stem , Picower Institute , National Institutes ,