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Updated: Jun 12, 2025
Rapid Detection of Neurodevelopmental Phenotypes in Human Neural Precursor Cells NPCs
Published on: March 2, 2018
Research progress of the relationship between phosphoprotein phosphatases (PPPs) and neurodevelopmental disorders
Wenya Ji1, Bixia Zheng1, Aihua Zhang2
1Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China.
Insights
Protein phosphatases (PPPs) are crucial for brain development, and gene variants are linked to neurodevelopmental disorders. Current treatments are symptomatic, highlighting the need for further research into therapeutic targets and novel gene discovery.
Area of Science:
- Molecular Biology
- Neuroscience
- Genetics
Background:
- Reversible protein phosphorylation is vital for eukaryotic cellular functions.
- Protein phosphatases (PPPs) play a key role in neurodevelopment.
- Genetic variants in PPP family members are associated with neurodevelopmental disorders.
Purpose of the Study:
- To provide a comprehensive overview of clinical phenotypes, genotypes, and pathogenic mechanisms in patients with PPP gene variants.
- To identify challenges in genotype-phenotype correlation analysis and prognostic counseling.
- To explore potential future research directions and therapeutic targets.
Main Methods:
- Comprehensive review of clinical phenotypes, genotypes, and pathogenic mechanisms.
- Analysis of existing literature on PPP gene variants and neurodevelopmental disorders.
- Identification of challenges in current research methodologies and data availability.
Main Results:
- Variants in 10 coding genes across four PPP family members are implicated in neurodevelopmental disorders.
- Inconsistent clinical descriptions and lack of large multicenter studies hinder genotype-phenotype correlation.
- Scarcity of follow-up data impedes prognostic counseling for rare diseases.
Conclusions:
- Symptomatic treatments are currently the standard for affected patients.
- Protein phosphatase regulators represent potential therapeutic targets.
- Further research should investigate other protein phosphatase family members and undiscovered variants, utilizing spatial-temporal protein data and animal models for gene discovery.
Abstract:
Reversible protein phosphorylation is a ubiquitous phenomenon essential for eukaryotic cellular processes. Recent advancements in research about neurodevelopmental disorders have prompted investigations into the intricate relationship between protein phosphatases, particularly phosphoprotein phosphatases (PPPs), and neurodevelopment. Notably, variants in 10 coding genes spanning four PPP family members have been implicated in neurodevelopmental disorders. Here, we provide a comprehensive overview of the clinical phenotypes, genotypes, and pathogenic mechanisms observed in affected patients. Our analysis reveals challenges in subsequent statistical analyses due to inconsistent clinical phenotypic descriptions and a lack of large multicenter studies, hampering analysis about genotype-phenotype correlations. The scarcity of follow-up data poses a significant obstacle to prognostic counseling for nearly all rare diseases. Presently, symptomatic treatment strategies are employed for patients with variants, as definitive cures remain elusive. Future research may explore protein phosphatase regulators as potential therapeutic targets. Furthermore, it is imperative not to overlook other members of the protein phosphatase family or coding genes with undiscovered variants. Insights gleaned from the temporal and spatial distribution of proteins, along with observations from animal model phenotypes, may provide valuable directions for uncovering novel pathogenic genes.
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