CRISPR-Based Diagnostics: Challenges and Potential Solutions toward Point-of-Care Applications

Area of Science:

• Molecular diagnostics
• Biotechnology
• Point-of-care testing

Background:

• The COVID-19 pandemic highlighted limitations of centralized diagnostic methods.
• Nucleic acid testing is sensitive and specific but often lab-bound and costly.
• Decentralized Point of Care (POC) solutions are needed for broader accessibility.

Purpose of the Study:

• To review advancements in CRISPR-based diagnostics for POC applications.
• To identify challenges hindering the widespread adoption of CRISPR diagnostics.
• To explore solutions for developing sample-to-answer CRISPR diagnostic systems.

Main Methods:

• Review of current literature on CRISPR-based diagnostic platforms.
• Analysis of challenges including sample processing, stability, and automation.
• Discussion of potential solutions and future directions.

Main Results:

• CRISPR diagnostics show potential for inexpensive, simple, and accessible molecular testing.
• Key challenges include sample preparation, reagent stability, and signal interpretation.
• Advancements are being made in amplification-free detection and process automation.

Conclusions:

• CRISPR technology can democratize disease diagnostics, moving beyond centralized labs.
• Overcoming technical hurdles is crucial for realizing POC and home-use CRISPR diagnostics.
• Further development is needed for robust, automated, sample-to-answer systems.