A virosomal vaccine against candidal vaginitis: Immunogenicity, efficacy and safety profile in animal models

被引:96
作者
De Bernardis, Flavia [1 ]
Amacker, Mario [2 ]
Arancia, Silvia [1 ]
Sandini, Silvia [1 ]
Gremion, Christel [2 ]
Zurbriggen, Rinaldo [2 ]
Moser, Christian [2 ]
Cassone, Antonio [1 ]
机构
[1] ISS, Dept Infect Parasit & Immunomediated Dis, Rome, Italy
[2] Pevion Biotech AG, CH-3032 Ittigen, Switzerland
关键词
Candida albicans; Aspartyl proteinase 2; Virosomes; Vaccine; Recurrent vulvo-vaginal candidiasis; SECRETED ASPARTYL PROTEINASE; VULVO-VAGINAL CANDIDIASIS; DIFFERENTIAL EXPRESSION; IMMUNE-RESPONSES; FUNGAL DISEASES; GENE FAMILY; ALBICANS; VIRULENCE; PROTECTION; INFECTION;
D O I
10.1016/j.vaccine.2012.04.069
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
A novel vaccine (PEV7) consisting of a truncated, recombinant aspartyl proteinase-2 of Candida albicans incorporated into influenza virosomes was studied. This vaccine candidate generated a potent serum antibody response in mouse and rat following intramuscular immunization. Anti-Sap2 IgG and IgA were also detected in the vaginal fluid of rats following intravaginal or intramuscular plus intravaginal administration. In a rat model of candidal vaginitis, PEV7 induced significant, long-lasting, likely antibody-mediated, protection following intravaginal route of immunization. PEV7 was also found to be safe in a repeated-dose toxicological study in rats. Overall, these data provide a sound basis to envisage the clinical development of this new candidate vaccine against candidal vaginitis. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:4490 / 4498
页数:9
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