Emerging Developments in Human Induced Pluripotent Stem Cell-Derived Microglia: Implications for Modelling...

Area of Science:

• Neuroscience
• Cell Biology
• Psychiatry

Background:

• Microglia, brain macrophages, are implicated in schizophrenia.
• Current understanding relies on aged post-mortem samples, limited imaging, and rodent models.
• A validated human in vitro system for developmental microglia is lacking.

Purpose of the Study:

• To evaluate human induced pluripotent stem cells (hiPSCs) as a model for microglia.
• To characterize hiPSC-derived microglia in a neurodevelopmental context.

Main Methods:

• Review of existing literature on microglia differentiation from hiPSCs.
• Analysis of protocols for generating hiPSC-derived microglia.
• Assessment of hiPSC-derived microglia in neuronal environments.

Main Results:

• Most hiPSC-derived microglia resemble fetal microglia when exposed to neuronal cues.
• This suggests a relevant in vitro model for studying schizophrenia.
• Differentiation protocols have unique advantages and limitations.

Conclusions:

• hiPSC-derived microglia represent a valuable in vitro model for neurodevelopmental psychiatric disorders.
• Further research and collaboration are needed to optimize protocols.
• This model can advance understanding of microglia in brain health and disease.