کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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1383636 | 1500833 | 2015 | 4 صفحه PDF | دانلود رایگان |
Campylobacter jejuni is a leading cause of traveler's diarrhea. Previously, we have shown that a C. jejuni capsule polysaccharide (CPS) conjugate vaccine can fully prevent C. jejuni diarrhea in non-human primates. C. jejuni CPSs are decorated with non-stoichiometric amounts of O-methyl phosphoramidate (MeOPN) units that are key serospecific markers. In the case of C. jejuni serotype complex HS23/36, the MeOPN are at positions 2 and 6 of the CPS galactose (Gal). We describe here the synthesis of the p-methoxyphenyl glycoside of MeOPN→6-α-D-Galp, and its immunodetection by antisera raised by C. jejuni CPS conjugates with MeOPN at primary positions. The synthetic approach in this work served as the foundation for a similar MeOPN→6-Gal construct used in a conjugate vaccine, whose synthesis, immunogenicity and efficacy will be described elsewhere.
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Journal: Carbohydrate Research - Volume 418, 11 December 2015, Pages 9–12