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Despite the advances toward the elimination of leprosy through widespread provision of multi-drug therapy to registered patients over the last 2 decades, new case detection rates have stabilized and leprosy remains endemic in a number of localized regions. A vaccine could overcome the inherent limitations of the drug treatment program by providing protection in individuals who are not already harboring...
Infection with Leishmania parasites results in a range of clinical manifestations and outcomes. Control of Leishmania parasite transmission is extremely difficult due to the large number of vectors and potential reservoirs, and none of the current treatments are ideal. Vaccination could be an effective strategy to provide sustained control. In this review, the current global situation with regard...
GMZ2 adjuvanted by aluminum hydroxide is a candidate malaria vaccine that has successfully passed phase 1 clinical testing in adult German and Gabonese volunteers and Gabonese children under five. Here we report a preclinical study screening a series of adjuvant vehicles and Toll-like receptor (TLR) agonists in CB6F1 mice to identify an improved formulation of GMZ2 suitable for further human clinical...
Impairments in anti-influenza T helper 1 (Th1) responses are associated with greater risk of influenza-related mortality in the elderly. Addition of adjuvants to existing influenza vaccines could improve immune responses in the elderly. In this study, the activity of three adjuvants, an oil-in-water emulsion and a synthetic lipid A adjuvant formulated with or without the emulsion, is compared. Our...
The enzyme sterol 24-c-methyltranferase (SMT) is required for the biosynthesis of ergosterol, the major membrane sterol in Leishmania parasites. SMT and ergosterol are not found in mammals, so this protein may be an attractive target for anti-leishmanial vaccines and drugs. We have previously demonstrated that SMT from L. infantum, which causes visceral leishmaniasis, is a protective antigen against...
Long-term humoral immunity elicited by pathogens and vaccines alike relies upon the generation of both memory B cells (B mem ) and long-lived plasma cells (PCs). Virtually all vaccine formulations induce the concomitant emergence of both B mem and PCs, suggesting that the emergence of these two differentiated B cells subsets is commonly controlled. Evidence presented shows specific...
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