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Baden, Lindsey R.; Liu, Jinyan; Li, Hualin; Johnson, Jennifer A.; Walsh, Stephen R.; Kleinjan, Jane A.; Engelson, Brian A.; Peter, Lauren; Abbink, Peter; Milner, Danny A.; Golden, Kevin L.; Viani, Kyle L.; Stachler, Matthew D.; Chen, Benjamin J.; Pau, Maria G.; Weijtens, Mo; Carey, Brittany R.; Miller, Caroline A.; Swann, Edith M.; Wolff, Mark; Loblein, Hayley; Seaman, Michael S.; Dolin, Raphael; Barouch, Dan H.
The Journal of infectious diseases, 02/2015, Letnik: 211, Številka: 4Journal Article
Background. Defining mucosal immune responses and inflammation to candidate human immunodeficiency virus type 1 (HIV-1) vaccines represents a current research priority for the HIV-1 vaccine field. In particular, it is unclear whether intramuscular immunization can elicit immune responses at mucosal surfaces in humans. Methods. In this double-blind, randomized, placebo-controlled clinical trial, we evaluated systemic and mucosal immune responses to a candidate adenovirus serotype 26 (Ad26) vectored HIV-1 envelop (Env) vaccine in baseline Ad26-seronegative and Ad26-seropositive healthy volunteers. Systematic mucosal sampling with rectal Weck-Cel sponges and rectal biopsies were performed. Results. Intramuscular immunization elicited both systemic and mucosal Env-specific humoral and cellular immune responses in the majority of subjects. Individuals with preexisting Ad26-specific neutralizing antibodies had vaccine-elicited immune responses comparable to those of subjects who were Ad26 seronegative. We also observed no increase in activated total or vector-specific mucosal CD4⁺ T lymphocytes following vaccination by either histopathology or flow cytometry. Conclusions. These data demonstrate that a single intramuscular administration of this Ad26-vectored HIV-1 Env vaccine elicited both systemic and mucosal immune responses in humans. Induction of antigen-specific humoral and cellular mucosal immunity was not accompanied by a detectable increase in mucosal inflammation.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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