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Lentiviral Vector-mediated Gene Therapy of Hepatocytes Ex Vivo for Autologous Transplantation in Swine
Published on: November 4, 2018
Gene therapy for liver diseases: methods, challenges and opportunities
Mengyao Yan1, Qian Xiang2,3
1Institute of Clinical Pharmacology, Peking University First Hospital, Beijing, China.
Journal of Nanobiotechnology
|May 12, 2026
Summary
Gene therapy offers transformative treatments for genetic liver diseases using vectors like lipid nanoparticles (LNPs) and adeno-associated viruses (AAVs). While showing promise, challenges like immune activation and liver toxicity require careful safety monitoring.
Area of Science:
- Hepatology
- Gene Therapy
- Molecular Medicine
Background:
- Gene therapy is a key strategy for genetic disorders lacking treatments.
- Inherited metabolic liver diseases are a major target for gene therapy.
- Advancements focus on liver-specific gene delivery, supplementation, editing, and RNA-based agents.
Purpose of the Study:
- To review recent progress in liver-directed gene therapy.
- To highlight gene delivery vectors, supplementation, editing, and RNA-based approaches.
- To discuss current challenges and future perspectives in the field.
Main Methods:
- Review of recent advancements in gene delivery vectors (LNPs, rAAVs).
- Focus on gene supplementation and gene editing strategies.
- Analysis of RNA-based therapeutic agents for liver diseases.
Main Results:
- Early trials show encouraging results for rAAV-mediated FIX supplementation (hemophilia B) and LNP-CRISPR editing of ANGPTL3 (lipid reduction).
- Sustained therapeutic activity observed in HOPE-B trial participants.
- Significant reductions in LDL-C and triglycerides achieved with LNP-CRISPR.
Conclusions:
- Liver-directed gene therapy holds significant potential for treating genetic liver diseases.
- Translational challenges include innate immune activation and hepatotoxicity.
- Ongoing safety monitoring and strategies to overcome limitations are crucial for improving therapeutic outcomes.
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