Noncapsular Vaccines Noncapsular Vaccines, Plenary Review Clinical trials with outer membrane protein vaccines and PorA recombinant vaccines
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In Silico Studies of Outer Membrane of Neisseria Meningitidis PorA: Its Expression and Immunogenic Properties
Neisseria meningitidis is a major causative agent of bacterial septicemia and meningitis in humans. Currently, there are no vaccines to prevent disease caused by strains of N.meningitidis serogroup B. The Class 1 Outer Membrane Protein (OMP) has been named porA which is a cation selective transmembrane protein of 45 KDa that forms trimeric pore in the meningococcal outer membrane. PorA from ser...
متن کاملDistribution of Neisseria meningitidis serogroup B serosubtypes and serotypes circulating in the United States. The Active Bacterial Core Surveillance Team.
Because the Neisseria meningitidis serogroup B (NMSB) capsule is poorly immunogenic in humans, immunization strategies have focused on noncapsular antigens. Both PorA and to a lesser extent PorB are noncapsular protein antigens capable of inducing protective bactericidal antibodies, and vaccines based on the outer membrane protein (OMP) components of serogroup B meningococci have been shown to ...
متن کاملDeveloping Vaccines against Foot-and-Mouth Disease: a Biotechnological Approach
Foot-and-mouth disease (FMD) is a contagious viral disease of livestock with significant economic effect. It is prevalent in various regions of Asia, Africa, and South America. The causative agent of this disease is called foot-and-mouth disease virus (FMDV), which is a member of Aphthovirus genus. Vaccination is an effective technique to prevent the complications of FMD and to eradicate the di...
متن کاملImmune efficacy of OmpH and OmpA DNA vaccines against avian Pasteurella multocida
Avian Pasteurella multocida is an agent of fowl cholera. The protective effect achieved through orthodoxvaccines is not ideal. The research on novel vaccines against avian Pasteurella multocida is imperative. Inthis study, the genes encoding outer membrane protein H and A (OmpH and OmpA) were cloned into theeukaryotic expression vector pcDNA3.1(+) and the recombinant plasmids, namely DNA vaccin...
متن کاملCurrent status of meningococcal group B vaccine candidates: capsular or noncapsular?
Meningococcal meningitis is a severe, life-threatening infection for which no adequate vaccine exists. Current vaccines, based on the group-specific capsular polysaccharides, provide short-term protection in adults against serogroups A and C but are ineffective in infants and do not induce protection against group B strains, the predominant cause of infection in western countries, because the p...
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