Abstract:
:Interaction of native proteinaceous antigens during the recognition and the effector phases of an immune response leads to antigenic conformational modifications which may elicit additional specific immune response. Protein cross-linking and conformation restraining formaldehyde and glutaraldehyde have been extensively used in vaccine preparation, but the relative efficiencies of conformational restraint at concentrations similar to those used in vaccine preparation have not been investigated. We addressed this issue by comparing the extent of conformational restraint of virus proteins in formaldehyde- and glutaraldehyde-treated virus preparations by monitoring the fluorescence intensities (I320) of infectious bursal disease virus preparations (IBDV) and those of untreated virus during thermal denaturation. Formaldehyde was found to cause no detectable conformational restraint at 0.01% and only very weak restraint at 1%, while glutaraldehyde caused very strong conformational restraint at 0.01%. It is proposed how conformational restraint of proteinaceous antigens may alter ensuing immunity.
journal_name
Vaccinejournal_title
Vaccineauthors
Cepica A,Beauregard M,Qian Bdoi
10.1016/s0264-410x(98)00121-2subject
Has Abstractpub_date
1998-12-01 00:00:00pages
1957-61issue
20eissn
0264-410Xissn
1873-2518pii
S0264410X98001212journal_volume
16pub_type
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