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Lentiviral Vector-mediated Gene Therapy of Hepatocytes Ex Vivo for Autologous Transplantation in Swine
Published on: November 4, 2018
mRNA-Based Approaches to Treating Liver Diseases
Maximiliano L Cacicedo1, María José Limeres1, Stephan Gehring1
1Children's Hospital, University Medical Center Mainz of the Johannes-Gutenberg University, Langenbeckstr. 1, 55131 Mainz, Germany.
Abstract:
Diseases that affect the liver account for approximately 2 million deaths worldwide each year. The increasing prevalence of these diseases and the limited efficacy of current treatments are expected to stimulate substantial growth in the global market for therapeutics that target the liver. Currently, liver transplantation is the only curative option available for many liver diseases. Gene therapy represents a valuable approach to treatment. The liver plays a central role in a myriad of essential metabolic functions, making it an attractive organ for gene therapy; hepatocytes comprise the most relevant target. To date, viral vectors constitute the preferred approach to targeting hepatocytes with genes of therapeutic interest. Alternatively, mRNA-based therapy offers a number of comparative advantages. Clinical and preclinical studies undertaken to treat inherited metabolic diseases affecting the liver, cirrhosis and fibrosis, hepatocellular carcinoma, hepatitis B, and cytomegalovirus using lipid nanoparticle-encapsulated mRNAs that encode the therapeutic or antigenic protein of interest are discussed.
Insights
Liver disease causes millions of deaths annually. mRNA-based gene therapy offers a promising alternative to viral vectors for treating liver conditions like cancer and hepatitis.
Area of Science:
- Hepatology
- Gene Therapy
- Molecular Medicine
Background:
- Liver diseases cause 2 million deaths yearly, with limited treatment options.
- Hepatocytes are key targets for liver-directed gene therapy.
- Current treatments like liver transplantation are insufficient for many patients.
Purpose of the Study:
- To review the potential of mRNA-based therapeutics for liver diseases.
- To discuss the advantages of mRNA therapy over viral vectors.
- To explore applications in inherited metabolic diseases, cirrhosis, cancer, and viral infections.
Main Methods:
- Review of clinical and preclinical studies on mRNA therapeutics.
- Focus on lipid nanoparticle-encapsulated mRNA encoding therapeutic proteins.
- Evaluation of mRNA therapy for liver cancer, hepatitis B, and cytomegalovirus.
Main Results:
- mRNA therapy shows promise for treating various liver conditions.
- Lipid nanoparticle delivery of mRNA is an effective strategy.
- Studies cover inherited metabolic disorders, cirrhosis, fibrosis, and viral hepatitis.
Conclusions:
- mRNA-based gene therapy is a viable and advantageous approach for liver disease treatment.
- Further research and clinical trials are warranted to optimize mRNA therapies.
- This modality offers a new avenue for managing liver pathologies.
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