Spatially resolved microRNA expression in tissues: technologies, challenges, and opportunities

Area of Science:

• Genomics
• Molecular Biology
• Biotechnology

Background:

• Spatial omics is rapidly advancing.
• Spatially resolved microRNA (miRNA) expression profiling (spatial miRNomics) is an emerging field.
• miRNA dysregulation is linked to various pathologies, underscoring their clinical relevance.

Purpose of the Study:

• To review current spatial technologies for miRNA detection.
• To discuss the challenges and opportunities in spatial miRNomics.
• To outline the biomedical implications and future directions of spatial miRNA profiling.

Main Methods:

• Review of existing literature on spatial transcriptomics and miRNA detection methods.
• Analysis of foundational and cutting-edge technologies for spatial miRNA profiling.
• Discussion of conceptual and technical hurdles in the field.

Main Results:

• The field of spatial miRNomics is nascent, with limited pioneering studies.
• Various technologies exist for spatial miRNA detection, ranging from established to innovative approaches.
• Significant conceptual and technical challenges need to be addressed for widespread adoption.

Conclusions:

• Spatial miRNA profiling holds immense potential for translational and clinical research.
• Understanding spatial miRNA patterns can offer new insights into gene regulation and disease mechanisms.
• Future research should focus on overcoming technical challenges and expanding the application of spatial miRNomics.