The overall aim of this project is to determine the functional significance of antibody targeted cellular and complement responses to a novel pediatric malaria
vaccine candidate antigen, PfSEA - 1.
Set of basic assays to address
a vaccine candidate antigens size, purity, quantity assembly status (multimers and / or aggregates), and integrity using analytical PAGE, SEC, FPLC / HPLC methods.
Not exact matches
Researchers plan to assess the new modified
antigen against other
candidates in advanced strep throat
vaccine tests in nonhuman primates beginning later this year in Atlanta, Georgia, funded by the National Health and Medical Research Council of Australia.
«In addition, our method offers the potential to accelerate the development of new
vaccines by allowing the efficient evaluation of
candidate target
antigens.»
Commercial arrays are not available for all biomarkers, so customised arrays for the analysis of
vaccine candidates will be developed, featuring
antigens for direct detection or antibodies for sandwich immunoassays (e.g. for cytokine detection).
This service will allow users to improve the compatibility and stability of their
vaccine antigen with different mucosal adjuvants (from the HZI portfolio) and to define the optimal production methods to generate immunogenic
vaccine candidates with optimised physicochemical stability (in vitro studies).
In vitro reconstitution of B cell receptor -
antigen interactions to evaluate potential
vaccine candidates.
These assays can be used to address the qualitative and quantitative properties of
vaccine candidates by analysing (i) the
vaccine candidate itself and (ii)
antigen - specific immune responses in the serum of patients or immunised animals.
Formulation studies, including optimisation of adjuvanted
vaccine candidates, stability studies, and the development of analytical methods to characterise
antigen - adjuvant combinations
Of the seven tested
antigens, one emerged as a strong
candidate vaccine: AFF 1.
discovery of new
vaccine targets by innovative approaches that allow the identification of non-classical
vaccine antigens like non-protein
antigens and subdominant epitopes and novel protein
candidates
Other Ebola
vaccine candidates use vector viruses to ferry a single Ebola protein, a surface
antigen, to prime the immune system.
There is no evidence in Marek's disease that
vaccine breakthrough by more virulent strains has anything to do with overcoming strain - specific immunity (e.g., epitope evolution); genetic and immunological comparisons of strains varying in virulence suggest that
candidate virulence determinants are associated with host — cell interactions and viral replication, not
antigens [19].
These events relate primarily to settlement of VaxGen's obligations under its lease of facilities in South San Francisco, and to the potential award of a procurement contract to Emergent BioSolutions (NYSE: EBS) by the U.S. Government for which VaxGen is eligible to receive milestone and royalty payments in connection with Emergent BioSolutions» May 2008 acquisition of VaxGen's recombinant protective
antigen (rPA) anthrax
vaccine product
candidate and related technology.