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Updated: Jan 19, 2026
Rapid Detection of Neurodevelopmental Phenotypes in Human Neural Precursor Cells NPCs
Published on: March 2, 2018
Autism-associated protein kinase D2 regulates embryonic cortical neuron development
Kensuke Matsumura1, Masayuki Baba2, Kazuki Nagayasu2
1Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan; Interdisciplinary Program for Biomedical Sciences, Institute for Transdisciplinary Graduate Degree Programs, Osaka University, Suita, Osaka, 565-0871, Japan; Research Fellowships for Young Scientists of the Japan Society for the Promotion of Science, Chiyoda-ku, Tokyo, 102-0083, Japan.
De novo mutations in PKD2 are linked to autism spectrum disorder (ASD). These mutations impair PKD2
Area of Science:
- Neuroscience
- Genetics
- Developmental Biology
Background:
- Autism spectrum disorder (ASD) is a complex neurodevelopmental disorder with largely unknown molecular causes.
- Recent research implicates de novo mutations in ASD risk.
- De novo mutations in the PKD2 gene have been identified in ASD cases.
Purpose of the Study:
- To investigate the role of PKD2 in cortical neuron development.
- To understand the functional impact of ASD-associated de novo PKD2 mutations.
Main Methods:
- In utero electroporation in developing mouse cortex.
- Functional analysis of PKD2 expression and kinase activity.
- Assessment of neural stem cell differentiation and neuron migration.
Main Results:
- PKD2 is highly expressed in developing cortical neural stem cells.
- PKD2 regulates neuronal differentiation and newborn neuron migration.
- ASD-associated de novo PKD2 mutations reduce kinase activity, suggesting a loss-of-function mechanism.
Conclusions:
- De novo PKD2 mutations may increase ASD risk through loss of function.
- PKD2 plays a crucial role in cortical development.
- These findings offer new insights into the molecular pathogenesis of ASD.
