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4 lut 2016 · One of the most widely used and highly effective carrier protein is Cross-Reactive-Material-197 (CRM 197), a mutant version of the diphtheria toxin, where the single amino acid exchange of...
Cross-reacting material 197 (CRM197) is a non-toxic mutant protein obtained from Corynebacterium diphtheriae diphtheria toxin which is internalized by caveolae-mediated transcytosis after binding to its receptor (diphtheria toxin receptor, DTR) (Wang et al., 2010).
A non-toxic mutant of diphtheria toxin, cross-reacting material 197 (CRM (197)), is a useful carrier protein with several manufacturing and other potential advantages over toxoids.
The C domain is mutated on its catalytic site to prevent toxicity. Diphtheria toxoid (DT), tetanus toxoid (TT), and CRM 197 have been mostly used as protein carriers in licensed vaccines. CRM 197 is an enzymatically inactive and nontoxic form of DT that contains a single amino acid substitution (G52E) [104].
28 sty 2008 · A mucosal vaccine against diphtheria: formulation of cross reacting material (CRM 197) of diphtheria toxin with chitosan enhances local and systemic antibody and Th2 responses following nasal delivery.
1 lip 2011 · The interaction of diphtheria toxin and CRM 197 with liposomes has been studied by turbidity measurement and hydrophobic photolabeling with photo-activatable phosphatidyl cholines.
5 lip 2019 · These milestone studies of toxigenic Corynebacterium diphtheriae along with its primary virulence determinant, diphtheria toxin, have established the paradigm for the study of other related bacterial protein toxins.
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