Hepatocyte genome

The hepatocyte genome represents the complete set of genetic information contained within the nucleus of a liver cell, serving as the master blueprint for hepatic metabolism, protein synthesis, and detoxification (High & Roncarolo, 2019). While not a single protein or receptor, it is the functional destination for transformative therapies including CRISPR/Cas9 gene editing, adeno-associated virus (AAV) gene replacement, and antisense technologies (Gillmore et al., 2021). By targeting specific loci within the hepatocyte genome, these interventions can provide long-lasting or permanent treatment for various monogenic disorders such as hemophilia, transthyretin amyloidosis, and alpha-1 antitrypsin deficiency. The liver's high capacity for protein production and its accessibility via lipid nanoparticles make the hepatocyte genome a prime focus for genomic medicine. However, therapeutic engagement with the genome necessitates rigorous safety evaluations regarding off-target effects, potential oncogenesis from insertional mutagenesis, and the durability of the genetic modification (Wang et al., 2020). Monitoring liver enzymes and specific protein biomarkers is essential to ensure the safety and efficacy of these genomic interventions.

Other names

Hepatocyte nucleusLiver cell genomeHepatic DNAHepatocyte genomic DNALiver genome

Gene editing, gene replacement, and gene silencing via RNA interference to modify or supplement the genetic instructions within liver cells.