Abstract
Virosomes are spherical, unilamellar phospholipid bilayer vesicle with a mean diameter is in range of 120-180 nm. Virosomes represent reconstituted empty influenza virus envelopes, which contain 70% phosphatidylcholine and remaining 30% neuraminidase (NA) and haemagglutinin (HA) glycoproteins. Various techniques are use for the loading the drug, protein and peptide like package inside the IRIV (immunopotentiatin reconstituted influenza virosome), intrigrated into lipid bilayer, anchored into lipid bilayer, crosslinked with HA (Hemaglutinin), and adsorbed to the membrane. Various protein, peptide, and malarial drugs are loaded in virus to deliver at particular site to give the targeted drug delivery. Virosomes could also be exploited as carriers for targeted drugs and for immunomodulating molecules particularly in cancer therapy. All these features allow us to consider influenza virosomes as a promising model for antigen and/or unrelated molecules delivery, which could be helpful for the development of new vaccines or immunotherapy protocols that combine safety with immunogenicity and their applicability in different field of medical research.
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