Genetic manipulation technologies for precise cellular control: a comparative review of five approaches

Area of Science:

• Biotechnology
• Molecular Biology
• Neuroscience

Background:

• Genetic manipulation technologies offer precise control over cellular activities.
• Five key approaches exist: chemogenetics, optogenetics, odorgenetics, magnetogenetics, and sonogenetics.
• A unified framework for comparing these technologies is lacking.

Purpose of the Study:

• To comprehensively analyze and compare five genetic manipulation technologies.
• To establish a systematic evaluation framework for these tools.
• To guide researchers in selecting appropriate technologies for various scenarios.

Main Methods:

• Dissecting molecular mechanisms and signaling pathways.
• Developing a seven-dimensional evaluation framework (spatiotemporal resolution, tissue penetration, cell-type specificity, reversibility, multiplexing, biosafety, accessibility).
• Systematically scoring and comparing the five technologies based on the framework.

Main Results:

• Optogenetics demonstrates superior spatiotemporal precision.
• Chemogenetics shows high clinical translatability.
• Sonogenetics and magnetogenetics are suitable for non-invasive deep tissue applications.
• Optimal application scenarios identified for neural circuit dissection, chronic disease management, and deep tissue intervention.

Conclusions:

• This comparative analysis provides an evidence-based guide for technology selection.
• Future developments should focus on hybrid approaches and improving delivery efficiency and long-term biosafety for clinical translation.