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KMID : 0892920210300040263
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Experimental Neurobiology
2021 Volume.30 No. 4 p.263 ~ p.274
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Altered Gene Expression Profiles in Neural Stem Cells Derived from Duchenne Muscular Dystrophy Patients with Intellectual Disability
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Koo Ja-Hong
Park Su-Bin
Sung Soo-Eun
Lee Jee-Hun
Kim Dae-Soo
Lee Jung-Woon
Lee Jae-Ran
Kim Nam-Soon
Lee Da-Yong
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Abstract
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Intellectual disability (ID) is a neurodevelopmental disorder defined by below-average intelligence (intelligence quotient of <70) accompanied by adaptive behavior deficits. Defects in the functions of neural stem cells during brain development are closely linked to the pathogenesis of ID. To understand the molecular etiology of ID, we examined neural stem cells from individuals with Duchenne muscular dystrophy (DMD), a genetic disorder in which approximately one-third of the patients exhibit ID. In this study, we generated induced pluripotent stem cells from peripheral blood mononuclear cells from a normal individual and DMD patients with and without ID to identify ID-specific functional and molecular abnormalities. We found defects in neural ectoderm formation in the group of DMD patients with ID. Our transcriptome analysis of patient-derived neural stem cells revealed altered expression of genes related to the hippo signaling pathway and neuroactive ligand-receptor interaction, implicating these in the pathogenesis of ID in patients with DMD.
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KEYWORD
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Intellectual disability, Duchenne muscular dystrophy, Induced pluripotent stem cell, Gene expression
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