Proper neural networks rely on the neurons' ability to generate neurites (axons and dendrites) and form synaptic connections with appropriate partners. Impairments in neuronal morphology and synapse composition in specific subtypes of neurons have been described in various mental health conditions, ranging from schizophrenia and bipolar disorder to autism spectrum disorder (ASD). Such altered neuronal morphology and synapse assembly presumably underlie disrupted neural circuit function, and therefore disrupted behavioral patterns. The objective of Project 4 is to create a suite of cellular imaging-based assays in hIPSC-derived cultures of differentiated neurons. These assays are based on quantitative fluorescence microscopy, and will focus on specific aspects of neuritogenesis and synaptogenesis that are relevant to ASD. The assays will be compatible with high-content screening technology, and will be applied to engineered hIPSC ASD models.

Agency
National Institute of Health (NIH)
Institute
National Institute of Mental Health (NIMH)
Type
Research Program--Cooperative Agreements (U19)
Project #
5U19MH107367-02
Application #
9146984
Study Section
Special Emphasis Panel (ZMH1)
Project Start
Project End
Budget Start
2016-07-01
Budget End
2017-06-30
Support Year
2
Fiscal Year
2016
Total Cost
Indirect Cost
Name
University of California San Diego
Department
Type
DUNS #
804355790
City
La Jolla
State
CA
Country
United States
Zip Code
92093
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de Souza, Janaina S; Carromeu, Cassiano; Torres, Laila B et al. (2017) IGF1 neuronal response in the absence of MECP2 is dependent on TRalpha 3. Hum Mol Genet 26:270-281
Shiryaev, Sergey A; Mesci, Pinar; Pinto, Antonella et al. (2017) Repurposing of the anti-malaria drug chloroquine for Zika Virus treatment and prophylaxis. Sci Rep 7:15771
Kakaradov, Boyko; Arsenio, Janilyn; Widjaja, Christella E et al. (2017) Early transcriptional and epigenetic regulation of CD8+ T cell differentiation revealed by single-cell RNA sequencing. Nat Immunol 18:422-432

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