Hepatitis B Vaccine
Non-invasive niosomes offer topical immunization against hepatitis B
Published in Hepatitis Weekly, July 25th, 2005
"DNA vaccines are capable of eliciting both humoral as well as cellular immune responses. Liposomes have been widely employed for DNA delivery through topical route; however, they suffer from certain drawbacks like higher cost and instability," investigators in India report.
"In the present study, non-ionic surfactant based vesicles (niosomes) for topical DNA delivery have been developed. DNA encoding hepatitis B surface antigen (HBsAg) was encapsulated in niosomes. Niosomes composed of span 85 and cholesterol as constitutive lipids were prepared by reverse phase evaporation...
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Source: Hepatitis Weekly (2005-07-25)
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