Correlative imaging using super-resolution fluorescence microscopy and soft X-ray tomography at cryogenic temperatures provides a new way to assess virosome solutions for vaccine development.

ABSTRACT: Active virosomes (AVs) are derivatives of viruses, broadly similar to 'parent' pathogens, with an outer envelope that contains a bespoke genome coding for four to five viral proteins capable of eliciting an antigenic response. AVs are essentially novel vaccine formulations that present on their surface selected viral proteins as antigens. Once administered, they elicit an initial 'anti-viral' immune response. AVs are also internalised by host cells where their cargo viral genes are used to express viral antigen(s) intracellularly. These can then be transported to the host cell surface resulting in a second wave of antigen exposure and a more potent immuno-stimulation. A new 3D correlative microscopy approach is used here to provide a robust analytical method for characterisation of Zika- a

SUBMITTER: Okolo CA 

PROVIDER: S-EPMC9292697 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature