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Published on: February 5, 2019
Overcoming RNAi transduction in leukocytes using targeted and stabilized nanoparticles
1Center for Nanoscience and Nanotechnology, George S Wise Faculty of Life Sciences, Department of Cell Research and Immunology, Laboratory of Nanomedicine, Tel Aviv University, Tel Aviv, Israel.
Summary
RNA interference (RNAi) offers therapeutic potential, but delivering RNAi molecules systemically, especially to immune cells, remains challenging. A novel nanoparticle strategy targets leukocyte integrins for specific siRNA delivery to immune cells.
Area of Science:
- Biotechnology
- Molecular Biology
- Immunology
Background:
- RNA interference (RNAi) is a powerful tool for understanding gene function in vitro and in vivo.
- RNAi holds promise as a therapeutic modality for various conditions.
- Systemic delivery of RNAi molecules, particularly to hematopoietic cells, is a significant hurdle for clinical translation.
Purpose of the Study:
- To review current systemic RNAi delivery platforms targeting leukocytes.
- To highlight the integrin-targeted stabilized nanoparticles strategy for immune cell delivery.
Main Methods:
- Review of existing literature on RNAi delivery systems.
- Focus on nanoparticle-based delivery mechanisms.
- Emphasis on targeting leukocyte integrins for selective delivery.
Main Results:
- Systemic RNAi delivery to leukocytes faces challenges.
- Integrin-targeted stabilized nanoparticles offer a promising strategy.
- This approach enables exclusive siRNA delivery to immune system cells.
Conclusions:
- Targeted delivery of RNAi to leukocytes is crucial for therapeutic applications.
- Integrin-targeted nanoparticles represent a viable platform for immune cell-specific RNAi delivery.
- This strategy could overcome current limitations in translating RNAi into clinical therapies for immune-related diseases.

