Intranasal immunisation with a 62 kDa proteinase combined with cholera toxin or CpG adjuvant protects against Trichomonas vaginalis genital tract infections in mice

Trichomonosis, caused by the protozoan parasite Trichomonas vaginalis, is one of the most frequent sexually transmitted diseases and is widely spread in all continents. Trichomonas vaginalis as well as other protozoan organisms have high levels of proteolitic activity mainly of the cysteine–proteina...

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Veröffentlicht in:International journal for parasitology 2005-11, Vol.35 (13), p.1333-1337
Hauptverfasser: Hernández, Hilda M., Figueredo, Mabel, Garrido, Nidia, Sánchez, Lizet, Sarracent, Jorge
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container_end_page 1337
container_issue 13
container_start_page 1333
container_title International journal for parasitology
container_volume 35
creator Hernández, Hilda M.
Figueredo, Mabel
Garrido, Nidia
Sánchez, Lizet
Sarracent, Jorge
description Trichomonosis, caused by the protozoan parasite Trichomonas vaginalis, is one of the most frequent sexually transmitted diseases and is widely spread in all continents. Trichomonas vaginalis as well as other protozoan organisms have high levels of proteolitic activity mainly of the cysteine–proteinase type. This activity is necessary for recognition and adhesion of the parasite to the superficial epithelial cells of the host. In the present study, we show that intranasal immunisation with a 62 kDa cysteine–proteinase purified from T. vaginalis excretion–secretion products in combination with cholera toxin or with synthetic oligodeoxynucleotides (ODN) that contain unmethylated CpG motifs (CpG–ODN) elicits 62 kDa specific IgG and IgA in vaginal lavage fluid and specific IgG in serum. This immunisation protocol resulted in enhanced elimination of parasites following intravaginal challenge of BALB/c mice.
doi_str_mv 10.1016/j.ijpara.2005.08.010
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Psychology</topic><topic>Immunization - methods</topic><topic>Immunoglobulin A - biosynthesis</topic><topic>Immunoglobulin G - biosynthesis</topic><topic>Life cycle. Host-agent relationship. 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Trichomonas vaginalis as well as other protozoan organisms have high levels of proteolitic activity mainly of the cysteine–proteinase type. This activity is necessary for recognition and adhesion of the parasite to the superficial epithelial cells of the host. In the present study, we show that intranasal immunisation with a 62 kDa cysteine–proteinase purified from T. vaginalis excretion–secretion products in combination with cholera toxin or with synthetic oligodeoxynucleotides (ODN) that contain unmethylated CpG motifs (CpG–ODN) elicits 62 kDa specific IgG and IgA in vaginal lavage fluid and specific IgG in serum. This immunisation protocol resulted in enhanced elimination of parasites following intravaginal challenge of BALB/c mice.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>16202417</pmid><doi>10.1016/j.ijpara.2005.08.010</doi><tpages>5</tpages></addata></record>
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subjects Adjuvant
Adjuvants, Immunologic
Administration, Intranasal
Animals
Antibodies, Protozoan - biosynthesis
Antigens, Protozoan - immunology
Biological and medical sciences
Cholera Toxin - immunology
Female
Fundamental and applied biological sciences. Psychology
Immunization - methods
Immunoglobulin A - biosynthesis
Immunoglobulin G - biosynthesis
Life cycle. Host-agent relationship. Pathogenesis
Mice
Mice, Inbred BALB C
Oligodeoxyribonucleotides - immunology
Peptide Hydrolases - immunology
Protection
Proteinase
Protozoa
Protozoan Vaccines - immunology
Trichomonas vaginalis
Trichomonas vaginalis - immunology
Trichomonas Vaginitis - immunology
Trichomonas Vaginitis - prevention & control
Vagina - immunology
title Intranasal immunisation with a 62 kDa proteinase combined with cholera toxin or CpG adjuvant protects against Trichomonas vaginalis genital tract infections in mice
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