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    1. Neuroscience
    2. Stem Cells and Regenerative Medicine

    Dyshomeostatic modulation of Ca2+-activated K+ channels in a human neuronal model of KCNQ2 encephalopathy

    Dina Simkin, Kelly A Marshall ... Evangelos Kiskinis
    An inducedpluripotent stem cell (iPSC)-based model of KCNQ2-associated developmental epileptic encephalopathy suggests that disease is driven by dyshomeostaic neuronal mechanisms that are downstream of loss of M-current.
    1. Neuroscience

    A deleterious Nav1.1 mutation selectively impairs telencephalic inhibitory neurons derived from Dravet Syndrome patients

    Yishan Sun, Sergiu P Paşca ... Ricardo E Dolmetsch
    A human cellular model of a prototypical form of intractable childhood epilepsy supports selective impairment of inhibitory neurons as a key pathophysiological mechanism.
    1. Stem Cells and Regenerative Medicine

    Insulin mutations impair beta-cell development in a patient-derived iPSC model of neonatal diabetes

    Diego Balboa, Jonna Saarimäki-Vire ... Timo Otonkoski
    Mutations causing proinsulin misfolding trigger unfolded protein response and lead to impaired proliferation and reduced mTORC1 signalling of developing beta-cells in a patient-derived induced pluripotent stem cell disease model.
    1. Neuroscience

    Alleviation of neuronal energy deficiency by mTOR inhibition as a treatment for mitochondria-related neurodegeneration

    Xinde Zheng, Leah Boyer ... Tony Hunter
    Rapamycin treatment inhibits mTOR activity and preserves ATP levels in neurons derived from induced pluripotent stem cells from a maternally inherited Leigh syndrome patient.
    1. Genetics and Genomics
    2. Immunology and Inflammation

    ACK1 and BRK non-receptor tyrosine kinase deficiencies are associated with familial systemic lupus and involved in efferocytosis

    Stephanie Guillet, Tomi Lazarov ... Frédéric Geissmann
    Loss-of-function variants of human ACK1 and BRK kinase underlie systemic lupus erythematosus in young patients from multiplex families and disrupt the anti-inflammatory response of macrophages to apoptotic cells.
    1. Cell Biology

    SARS-CoV-2 NSP13 interacts with TEAD to suppress Hippo-YAP signaling

    Fansen Meng, Jong Hwan Kim ... James F Martin
    Not revised
    Reviewed Preprint v1
    • Important
    • Solid
    1. Stem Cells and Regenerative Medicine

    Skeletal dysplasia-causing TRPV4 mutations suppress the hypertrophic differentiation of human iPSC-derived chondrocytes

    Amanda R Dicks, Grigory I Maksaev ... Farshid Guilak
    Chondrocytes derived from induced pluripotent stem cells with the dysplasia-causing TRPV4 mutations, V620I and T89I mutation, were resistant to BMP4-induced hypertrophy, suggesting a mechanism underlying the effects of TRPV4 dysfunction on the severity of skeletal dysplasia.
    1. Neuroscience

    7-Dehydrocholesterol-derived oxysterols cause neurogenic defects in Smith-Lemli-Opitz syndrome

    Hideaki Tomita, Kelly M Hines ... Libin Xu
    A 7-dehydrocholesterol-derived oxysterol in SLOS was found to profoundly impact neurogenesis during cortical development by interacting with glucocorticoid receptor, which points to new therapeutic approaches for SLOS by targeting the activities of this oxysterol.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    GATA6 mutations in hiPSCs inform mechanisms for maldevelopment of the heart, pancreas, and diaphragm

    Arun Sharma, Lauren K Wasson ... Pediatric Cardiac Genomics Consortium
    Analyses of human stem cells with distinct GATA6 mutations revealed a spectrum of molecular responses that drive isolated congenital heart disease or the co-occurrence of pancreas and diaphragm malformations.
    1. Stem Cells and Regenerative Medicine

    Persistent epigenetic memory impedes rescue of the telomeric phenotype in human ICF iPSCs following DNMT3B correction

    Shir Toubiana, Miriam Gagliardi ... Sara Selig
    Correction of the DNA methyltransferase 3B gene in ICF1 syndrome fails to rescue the abnormal DNA hypomethylation at subtelomeric regions due to accompanied epigenetic abnormalities in these regions.