Scripps Research Engineers Novel Nanodisc Platform to Preserve Viral Protein Structure for Next-Generation Vaccine Development

Scripps Research scientists develop a nanodisc platform to study viral proteins in their natural membrane state, aiding HIV and Ebola vaccine development.

By: AXL Media

Published: Apr 11, 2026, 6:58 AM EDT

Source: Information for this report was sourced from EurekAlert!

Overcoming the Limitations of Synthetic Viral Models

The efficacy of modern vaccines often hinges on the immune system's ability to recognize specialized proteins that coat a virus's surface. Historically, laboratory-produced versions of these proteins have lacked the critical anchoring regions that sit within the viral membrane, causing them to behave differently than they would in nature. According to William Schief, a professor at Scripps Research, this missing context has long obscured the mechanics of antibody neutralization. The new platform addresses this gap by ensuring that viral glycoproteins are studied within a setting that accurately reflects their biological reality.

The Mechanics of Lipid Nanodisc Technology

To replicate the outer layer of a virus, the research team utilized nanodisc technology to embed surface proteins into stable patches of lipid molecules. These nanodiscs act as a surrogate membrane, holding the proteins in a specific shape and orientation that mirrors their arrangement on a real pathogen. This structural preservation is essential for the accuracy of vaccine development tools, ranging from high-resolution imaging to the sorting of immune cells. By stabilizing the proteins in these lipid discs, scientists can now observe the interface where the protein meets the membrane, a region often targeted by the most potent antibodies.

Revealing Hidden Interactions in HIV and Ebola

The platform was initially tested using proteins from HIV and Ebola, two viruses known for their ability to evade immune detection. In the case of HIV, the researchers focused on a highly conserved region near the membrane that is targeted by broadly neutralizing antibodies. Using the nanodisc system, the team captured detailed structural data that revealed new interactions at the membrane interface which are invisible when the protein is studied in isolation. These snapshots help explain how antibodies might destabilize the structures a virus uses to infect human cells, providing a roadmap for triggering similar responses through vaccination.