About Human Angiotensin-Converting Enzyme 2 (hACE2) Stable Cell Line

Human Angiotensin-Converting Enzyme 2 (hACE2) is a membrane-bound carboxypeptidase that plays a critical role in the renin-angiotensin system (RAS) and serves as the primary cellular receptor for SARS-CoV, SARS-CoV-2, and related coronaviruses. ACE2 is expressed on the surface of epithelial and endothelial cells in multiple tissues, including the lung, heart, kidney, intestine, and vasculature. In addition to its physiological role in regulating cardiovascular and inflammatory responses, hACE2 mediates viral attachment and entry through direct interaction with coronavirus spike proteins, making it one of the most important host factors in coronavirus infection biology.

eEnzyme's Human hACE2 Stable Cell Line is engineered to express recombinant human ACE2 and provides a reliable and reproducible cellular platform for investigating ACE2-mediated viral entry and receptor biology. The cell line is specifically designed for SARS-CoV-2 spike protein binding studies, pseudovirus infection assays, neutralizing antibody screening, antiviral drug discovery, and receptor-ligand interaction research. Stable expression of hACE2 ensures consistent assay performance and enables quantitative evaluation of compounds, antibodies, biologics, and viral variants that interact with the ACE2 receptor.

The hACE2 Stable Cell Line is suitable for a broad range of applications including SARS-CoV-2 pseudovirus neutralization assays, spike-ACE2 binding studies, variant infectivity analysis, antiviral screening, and coronavirus-host interaction investigations. Its robust performance and compatibility with high-throughput screening formats make it an ideal tool for infectious disease research, therapeutic development, and receptor pharmacology studies.

Applications of the hACE2 Stable Cell Line

• SARS-CoV-2 pseudovirus infection assays
• Spike protein and ACE2 binding studies
• Neutralizing antibody screening and characterization
• Antiviral drug discovery and development
• Coronavirus variant infectivity analysis
• Host-pathogen interaction investigations
• Receptor-ligand interaction studies
• High-throughput screening applications

Biological Significance of hACE2

ACE2 serves as both an essential physiological regulator and a viral entry receptor. Within the renin-angiotensin system, ACE2 converts angiotensin II into angiotensin-(1-7), thereby exerting protective cardiovascular, anti-inflammatory, and anti-fibrotic effects. In coronavirus biology, ACE2 functions as the primary receptor that mediates attachment and entry of SARS-CoV and SARS-CoV-2 through direct interaction with viral spike proteins. This receptor-virus interaction represents the critical first step in infection and has become a major target for therapeutic antibodies, soluble receptor decoys, vaccines, and antiviral drugs. Because of its central role in both normal physiology and viral pathogenesis, hACE2 remains one of the most extensively studied host proteins in infectious disease research, cardiovascular biology, and translational medicine. The hACE2 Stable Cell Line provides a powerful experimental system for investigating virus-host interactions and developing next-generation antiviral therapeutics.