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Combined Genetic and Chemical Capsid Modifications of Adenovirus-Based Gene Transfer Vectors for Shielding and Targeting
Published on: October 26, 2018
Adenovirus de-targeting from the liver
Nelson C Di Paolo1, Dmitry M Shayakhmetov
1University of Washington, Department of Medicine, Division of Medical Genetics, Seattle, WA 98195-7720, USA.
Summary
Adenovirus (Ad) vectors show promise for treating diseases. Understanding how Ads are sequestered in the liver offers new strategies for targeted gene therapy, improving safety and efficacy.
Area of Science:
- Biotechnology
- Gene Therapy
- Virology
Background:
- Adenovirus (Ad) vectors are potent biological therapeutics with potential for treating various human diseases.
- Preclinical and clinical studies demonstrate Ad vector efficacy in correcting or ameliorating acquired and inherited diseases through cell type-specific targeting.
- A significant barrier to in vivo Ad therapy is the non-specific sequestration of Ad vectors in the liver.
Purpose of the Study:
- To elucidate the molecular mechanisms underlying Ad sequestration in the liver.
- To identify strategies for overcoming liver sequestration of Ad vectors for improved gene therapy.
- To leverage understanding of Ad-liver interactions for the development of targeted Ad vectors.
Main Methods:
- Review of preclinical studies and clinical trial data on Adenovirus vector targeting.
- Analysis of molecular mechanisms governing Ad liver cell transduction.
- Investigation of mechanisms responsible for blood-borne Ad sequestration in hepatic tissues.
Main Results:
- Advances in understanding the molecular basis of Ad sequestration in liver cells.
- Identification of synergistic and redundant pathways mediating Ad liver targeting and sequestration.
- Recognition of opportunities for developing targeted Adenovirus vectors.
Conclusions:
- Understanding Ad sequestration mechanisms in the liver is crucial for advancing gene therapy.
- Targeted Adenovirus vector development can be enhanced by exploiting Ad-liver interaction pathways.
- Overcoming liver sequestration is key to realizing the full therapeutic potential of Adenovirus vectors.
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