Targeting microglia with lentivirus and AAV: Recent advances and remaining challenges

Area of Science:

• Neuroscience
• Immunology
• Genetics

Background:

• Microglia play a key role in neurodegenerative diseases.
• Genetic manipulation of microglia is essential for understanding their function.
• Current viral vector strategies for targeting brain cells, including microglia, face challenges in efficiency and specificity.

Purpose of the Study:

• To review the use of lentiviruses and adeno-associated viruses (AAVs) for microglial transduction.
• To summarize recent advancements and challenges in targeting microglia with viral vectors.
• To provide guidelines for reporting microglial transduction efficiency and specificity.

Main Methods:

• Review of existing literature on viral vector design and application in neuroscience.
• Analysis of studies reporting in vitro and in vivo microglial transduction.
• Development of reporting guidelines for microglial targeting methodologies.

Main Results:

• Lentiviruses and AAVs show potential for microglial gene delivery, but effective transduction remains challenging.
• Recent studies demonstrate progress in overcoming barriers to microglial targeting.
• There is a need for standardized reporting of transduction efficiency and specificity.

Conclusions:

• Optimizing viral vectors for microglial transduction is critical for advancing neurodegenerative disease research.
• Standardized reporting will facilitate the assessment and improvement of microglial targeting techniques.
• This review provides a framework for future research in microglial gene therapy and functional studies.