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WH1fungin, a surfactin lipopeptide from Bacillus amyloliquefaciens WH1, can be used as an adjuvant for eliciting strong immune response by parenteral immunization. In this study, WH1fungin was firstly reported as an oral immunoadjuvant. In mice, WH1fungin markedly enhanced the immune response to co-administered protein antigens (OVA or GST), similar to levels elicited by CTB, but no immune response...
Broadly neutralizing antibodies (bnAbs) are likely to be a key component of protective immunity conferred by an effective HIV-1 vaccine. We and others have reported that putative human germline predecessors of known human bnAbs lack measurable binding to HIV-1 envelope glycoproteins (Env), which could be a new challenge for eliciting human bnAbs. Rhesus macaques have been used as nonhuman primate...
The spike (S) protein of severe acute respiratory syndrome coronavirus (SARS-CoV) is considered as a major antigen for vaccine design. We previously demonstrated that the receptor-binding domain (RBD: residues 318–510) of S protein contains multiple conformation-dependent neutralizing epitopes (Conf I to VI) and serves as a major target of SARS-CoV neutralization. Here, we further characterized the...
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