Comparative efficacy and toxicity of two vaccine candidates against Sporothrix schenckii using either Montanide™ Pet Gel A or aluminum hydroxide adjuvants in mice

•PGA+CWP100 is an experimental vaccine against sporotrichosis.•PGA+CWP100 induced high titers of opsonizing IgG2a.•PGA+CWP100 increased the ex vivo release of IL-12, IFN-γ and IL-4.•PGA+CWP100 induced protective antibodies against S. brasiliensis.•PGA+CWP100 was safer than CWP100 formulated with alu...

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Veröffentlicht in:Vaccine 2017-08, Vol.35 (34), p.4430-4436
Hauptverfasser: Portuondo, Deivys Leandro, Batista-Duharte, Alexander, Ferreira, Lucas Souza, de Andrade, Cleverton Roberto, Quinello, Camila, Téllez-Martínez, Damiana, de Aguiar Loesch, Maria Luiza, Carlos, Iracilda Zeppone
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container_end_page 4436
container_issue 34
container_start_page 4430
container_title Vaccine
container_volume 35
creator Portuondo, Deivys Leandro
Batista-Duharte, Alexander
Ferreira, Lucas Souza
de Andrade, Cleverton Roberto
Quinello, Camila
Téllez-Martínez, Damiana
de Aguiar Loesch, Maria Luiza
Carlos, Iracilda Zeppone
description •PGA+CWP100 is an experimental vaccine against sporotrichosis.•PGA+CWP100 induced high titers of opsonizing IgG2a.•PGA+CWP100 increased the ex vivo release of IL-12, IFN-γ and IL-4.•PGA+CWP100 induced protective antibodies against S. brasiliensis.•PGA+CWP100 was safer than CWP100 formulated with alum as adjuvant.•PGA adjuvant was safer than AH, alone or in formulation with the antigen. Sporotrichosis is an important zoonosis in Brazil and the most frequent subcutaneous mycosis in Latin America, caused by different Sporothrix species. Currently, there is no effective vaccine available to prevent this disease. In this study, the efficacy and toxicity of the adjuvant Montanide™ Pet Gel A (PGA) formulated with S. schenckii cell wall proteins (ssCWP) was evaluated and compared with that of aluminum hydroxide (AH). Balb/c mice received two subcutaneous doses (1st and 14th days) of either the unadjuvanted or adjuvanted vaccine candidates. On the 21st day, anti-ssCWP antibody levels (ELISA), the phagocytic index, as well as the ex vivo release of IFN-γ, IL-4, and IL-17 by splenocytes and IL-12 by peritoneal macrophages were assessed. Cytotoxicity of the vaccine formulations was evaluated in vitro and by histopathological analysis of the inoculation site. Both adjuvanted vaccine formulations increased anti-ssCWP IgG, IgG1, IgG2a, and IgG3 levels, although IgG2a levels were higher in response to PGA+CWP100, probably contributing to the increase in S. schenckii yeast phagocytosis by macrophages in the opsonophagocytosis assay when using serum from PGA+CWP100-immunized mice. Immunization with AH+CWP100 led to a mixed Th1/Th2/Th17 ex vivo cytokine release profile, while PGA+CWP100 stimulated a preferential Th1/Th2 profile. Moreover, PGA+CWP100 was less cytotoxic in vitro, caused less local toxicity and led to a similar reduction in fungal load in the liver and spleen of S. schenckii- or S. brasiliensis-challenged mice as compared with AH+CWP100. These results suggest that PGA may be an effective and safe adjuvant for a future sporotrichosis vaccine.
doi_str_mv 10.1016/j.vaccine.2017.05.046
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Sporotrichosis is an important zoonosis in Brazil and the most frequent subcutaneous mycosis in Latin America, caused by different Sporothrix species. Currently, there is no effective vaccine available to prevent this disease. In this study, the efficacy and toxicity of the adjuvant Montanide™ Pet Gel A (PGA) formulated with S. schenckii cell wall proteins (ssCWP) was evaluated and compared with that of aluminum hydroxide (AH). Balb/c mice received two subcutaneous doses (1st and 14th days) of either the unadjuvanted or adjuvanted vaccine candidates. On the 21st day, anti-ssCWP antibody levels (ELISA), the phagocytic index, as well as the ex vivo release of IFN-γ, IL-4, and IL-17 by splenocytes and IL-12 by peritoneal macrophages were assessed. Cytotoxicity of the vaccine formulations was evaluated in vitro and by histopathological analysis of the inoculation site. Both adjuvanted vaccine formulations increased anti-ssCWP IgG, IgG1, IgG2a, and IgG3 levels, although IgG2a levels were higher in response to PGA+CWP100, probably contributing to the increase in S. schenckii yeast phagocytosis by macrophages in the opsonophagocytosis assay when using serum from PGA+CWP100-immunized mice. Immunization with AH+CWP100 led to a mixed Th1/Th2/Th17 ex vivo cytokine release profile, while PGA+CWP100 stimulated a preferential Th1/Th2 profile. Moreover, PGA+CWP100 was less cytotoxic in vitro, caused less local toxicity and led to a similar reduction in fungal load in the liver and spleen of S. schenckii- or S. brasiliensis-challenged mice as compared with AH+CWP100. These results suggest that PGA may be an effective and safe adjuvant for a future sporotrichosis vaccine.</description><identifier>ISSN: 0264-410X</identifier><identifier>EISSN: 1873-2518</identifier><identifier>DOI: 10.1016/j.vaccine.2017.05.046</identifier><identifier>PMID: 28687406</identifier><language>eng</language><publisher>Netherlands: Elsevier Ltd</publisher><subject>Adjuvant ; Adjuvants ; Adjuvants, Immunologic - toxicity ; Aluminum ; Aluminum hydroxide ; Aluminum Hydroxide - immunology ; Aluminum Hydroxide - toxicity ; Animals ; Antibodies, Fungal - biosynthesis ; Antibodies, Fungal - blood ; Antibodies, Fungal - immunology ; Antigens ; Assaying ; Brazil ; Cell walls ; Cytotoxicity ; Enzyme-linked immunosorbent assay ; Formulations ; Fungal infections ; Fungal Vaccines - administration &amp; dosage ; Fungal Vaccines - adverse effects ; Fungal Vaccines - chemistry ; Fungal Vaccines - immunology ; Fungi ; Immunity, Cellular ; Immunization ; Immunogenicity ; Immunogenicity, Vaccine ; Immunoglobulin G ; Inoculation ; Interferon ; Interleukin 12 ; Interleukin 17 ; Interleukin 4 ; Interleukin-17 - immunology ; Liver ; Lymphocytes T ; Macrophages ; Mice ; Mice, Inbred BALB C ; Montanide™ Pet Gel A ; Mycosis ; Opsonophagocytosis ; Peritoneum ; Phagocytes ; Phagocytosis ; Proteins ; Spleen ; Splenocytes ; Sporothrix - immunology ; Sporothrix brasiliensis ; Sporothrix schenckii ; Sporotrichosis ; Sporotrichosis - immunology ; Sporotrichosis - prevention &amp; control ; Th1-Th2 Balance ; Toxicity ; Vaccination ; Vaccine ; Vaccines ; Yeasts ; Zoonoses</subject><ispartof>Vaccine, 2017-08, Vol.35 (34), p.4430-4436</ispartof><rights>2017 Elsevier Ltd</rights><rights>Copyright © 2017 Elsevier Ltd. All rights reserved.</rights><rights>Copyright Elsevier Limited Aug 3, 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c506t-226b7e06e6548e15782cb5adace2123248a412d02c6568c4572db3ada82781253</citedby><cites>FETCH-LOGICAL-c506t-226b7e06e6548e15782cb5adace2123248a412d02c6568c4572db3ada82781253</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/1922874311?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>315,782,786,3554,27933,27934,46004,64394,64398,72478</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28687406$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Portuondo, Deivys Leandro</creatorcontrib><creatorcontrib>Batista-Duharte, Alexander</creatorcontrib><creatorcontrib>Ferreira, Lucas Souza</creatorcontrib><creatorcontrib>de Andrade, Cleverton Roberto</creatorcontrib><creatorcontrib>Quinello, Camila</creatorcontrib><creatorcontrib>Téllez-Martínez, Damiana</creatorcontrib><creatorcontrib>de Aguiar Loesch, Maria Luiza</creatorcontrib><creatorcontrib>Carlos, Iracilda Zeppone</creatorcontrib><title>Comparative efficacy and toxicity of two vaccine candidates against Sporothrix schenckii using either Montanide™ Pet Gel A or aluminum hydroxide adjuvants in mice</title><title>Vaccine</title><addtitle>Vaccine</addtitle><description>•PGA+CWP100 is an experimental vaccine against sporotrichosis.•PGA+CWP100 induced high titers of opsonizing IgG2a.•PGA+CWP100 increased the ex vivo release of IL-12, IFN-γ and IL-4.•PGA+CWP100 induced protective antibodies against S. brasiliensis.•PGA+CWP100 was safer than CWP100 formulated with alum as adjuvant.•PGA adjuvant was safer than AH, alone or in formulation with the antigen. Sporotrichosis is an important zoonosis in Brazil and the most frequent subcutaneous mycosis in Latin America, caused by different Sporothrix species. Currently, there is no effective vaccine available to prevent this disease. In this study, the efficacy and toxicity of the adjuvant Montanide™ Pet Gel A (PGA) formulated with S. schenckii cell wall proteins (ssCWP) was evaluated and compared with that of aluminum hydroxide (AH). Balb/c mice received two subcutaneous doses (1st and 14th days) of either the unadjuvanted or adjuvanted vaccine candidates. On the 21st day, anti-ssCWP antibody levels (ELISA), the phagocytic index, as well as the ex vivo release of IFN-γ, IL-4, and IL-17 by splenocytes and IL-12 by peritoneal macrophages were assessed. Cytotoxicity of the vaccine formulations was evaluated in vitro and by histopathological analysis of the inoculation site. Both adjuvanted vaccine formulations increased anti-ssCWP IgG, IgG1, IgG2a, and IgG3 levels, although IgG2a levels were higher in response to PGA+CWP100, probably contributing to the increase in S. schenckii yeast phagocytosis by macrophages in the opsonophagocytosis assay when using serum from PGA+CWP100-immunized mice. Immunization with AH+CWP100 led to a mixed Th1/Th2/Th17 ex vivo cytokine release profile, while PGA+CWP100 stimulated a preferential Th1/Th2 profile. Moreover, PGA+CWP100 was less cytotoxic in vitro, caused less local toxicity and led to a similar reduction in fungal load in the liver and spleen of S. schenckii- or S. brasiliensis-challenged mice as compared with AH+CWP100. These results suggest that PGA may be an effective and safe adjuvant for a future sporotrichosis vaccine.</description><subject>Adjuvant</subject><subject>Adjuvants</subject><subject>Adjuvants, Immunologic - toxicity</subject><subject>Aluminum</subject><subject>Aluminum hydroxide</subject><subject>Aluminum Hydroxide - immunology</subject><subject>Aluminum Hydroxide - toxicity</subject><subject>Animals</subject><subject>Antibodies, Fungal - biosynthesis</subject><subject>Antibodies, Fungal - blood</subject><subject>Antibodies, Fungal - immunology</subject><subject>Antigens</subject><subject>Assaying</subject><subject>Brazil</subject><subject>Cell walls</subject><subject>Cytotoxicity</subject><subject>Enzyme-linked immunosorbent assay</subject><subject>Formulations</subject><subject>Fungal infections</subject><subject>Fungal Vaccines - administration &amp; dosage</subject><subject>Fungal Vaccines - adverse effects</subject><subject>Fungal Vaccines - chemistry</subject><subject>Fungal Vaccines - immunology</subject><subject>Fungi</subject><subject>Immunity, Cellular</subject><subject>Immunization</subject><subject>Immunogenicity</subject><subject>Immunogenicity, Vaccine</subject><subject>Immunoglobulin G</subject><subject>Inoculation</subject><subject>Interferon</subject><subject>Interleukin 12</subject><subject>Interleukin 17</subject><subject>Interleukin 4</subject><subject>Interleukin-17 - immunology</subject><subject>Liver</subject><subject>Lymphocytes T</subject><subject>Macrophages</subject><subject>Mice</subject><subject>Mice, Inbred BALB C</subject><subject>Montanide™ Pet Gel A</subject><subject>Mycosis</subject><subject>Opsonophagocytosis</subject><subject>Peritoneum</subject><subject>Phagocytes</subject><subject>Phagocytosis</subject><subject>Proteins</subject><subject>Spleen</subject><subject>Splenocytes</subject><subject>Sporothrix - immunology</subject><subject>Sporothrix brasiliensis</subject><subject>Sporothrix schenckii</subject><subject>Sporotrichosis</subject><subject>Sporotrichosis - immunology</subject><subject>Sporotrichosis - prevention &amp; 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Batista-Duharte, Alexander ; Ferreira, Lucas Souza ; de Andrade, Cleverton Roberto ; Quinello, Camila ; Téllez-Martínez, Damiana ; de Aguiar Loesch, Maria Luiza ; Carlos, Iracilda Zeppone</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c506t-226b7e06e6548e15782cb5adace2123248a412d02c6568c4572db3ada82781253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Adjuvant</topic><topic>Adjuvants</topic><topic>Adjuvants, Immunologic - toxicity</topic><topic>Aluminum</topic><topic>Aluminum hydroxide</topic><topic>Aluminum Hydroxide - immunology</topic><topic>Aluminum Hydroxide - toxicity</topic><topic>Animals</topic><topic>Antibodies, Fungal - biosynthesis</topic><topic>Antibodies, Fungal - blood</topic><topic>Antibodies, Fungal - immunology</topic><topic>Antigens</topic><topic>Assaying</topic><topic>Brazil</topic><topic>Cell walls</topic><topic>Cytotoxicity</topic><topic>Enzyme-linked immunosorbent assay</topic><topic>Formulations</topic><topic>Fungal infections</topic><topic>Fungal Vaccines - administration &amp; 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Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Database (Alumni Edition)</collection><collection>ProQuest Biological Science Collection</collection><collection>Consumer Health Database</collection><collection>Health &amp; Medical Collection (Alumni Edition)</collection><collection>Healthcare Administration Database</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Research Library (Corporate)</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><jtitle>Vaccine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Portuondo, Deivys Leandro</au><au>Batista-Duharte, Alexander</au><au>Ferreira, Lucas Souza</au><au>de Andrade, Cleverton Roberto</au><au>Quinello, Camila</au><au>Téllez-Martínez, Damiana</au><au>de Aguiar Loesch, Maria Luiza</au><au>Carlos, Iracilda Zeppone</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparative efficacy and toxicity of two vaccine candidates against Sporothrix schenckii using either Montanide™ Pet Gel A or aluminum hydroxide adjuvants in mice</atitle><jtitle>Vaccine</jtitle><addtitle>Vaccine</addtitle><date>2017-08-03</date><risdate>2017</risdate><volume>35</volume><issue>34</issue><spage>4430</spage><epage>4436</epage><pages>4430-4436</pages><issn>0264-410X</issn><eissn>1873-2518</eissn><abstract>•PGA+CWP100 is an experimental vaccine against sporotrichosis.•PGA+CWP100 induced high titers of opsonizing IgG2a.•PGA+CWP100 increased the ex vivo release of IL-12, IFN-γ and IL-4.•PGA+CWP100 induced protective antibodies against S. brasiliensis.•PGA+CWP100 was safer than CWP100 formulated with alum as adjuvant.•PGA adjuvant was safer than AH, alone or in formulation with the antigen. Sporotrichosis is an important zoonosis in Brazil and the most frequent subcutaneous mycosis in Latin America, caused by different Sporothrix species. Currently, there is no effective vaccine available to prevent this disease. In this study, the efficacy and toxicity of the adjuvant Montanide™ Pet Gel A (PGA) formulated with S. schenckii cell wall proteins (ssCWP) was evaluated and compared with that of aluminum hydroxide (AH). Balb/c mice received two subcutaneous doses (1st and 14th days) of either the unadjuvanted or adjuvanted vaccine candidates. On the 21st day, anti-ssCWP antibody levels (ELISA), the phagocytic index, as well as the ex vivo release of IFN-γ, IL-4, and IL-17 by splenocytes and IL-12 by peritoneal macrophages were assessed. Cytotoxicity of the vaccine formulations was evaluated in vitro and by histopathological analysis of the inoculation site. Both adjuvanted vaccine formulations increased anti-ssCWP IgG, IgG1, IgG2a, and IgG3 levels, although IgG2a levels were higher in response to PGA+CWP100, probably contributing to the increase in S. schenckii yeast phagocytosis by macrophages in the opsonophagocytosis assay when using serum from PGA+CWP100-immunized mice. Immunization with AH+CWP100 led to a mixed Th1/Th2/Th17 ex vivo cytokine release profile, while PGA+CWP100 stimulated a preferential Th1/Th2 profile. Moreover, PGA+CWP100 was less cytotoxic in vitro, caused less local toxicity and led to a similar reduction in fungal load in the liver and spleen of S. schenckii- or S. brasiliensis-challenged mice as compared with AH+CWP100. These results suggest that PGA may be an effective and safe adjuvant for a future sporotrichosis vaccine.</abstract><cop>Netherlands</cop><pub>Elsevier Ltd</pub><pmid>28687406</pmid><doi>10.1016/j.vaccine.2017.05.046</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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identifier ISSN: 0264-410X
ispartof Vaccine, 2017-08, Vol.35 (34), p.4430-4436
issn 0264-410X
1873-2518
language eng
recordid cdi_proquest_journals_1922874311
source MEDLINE; Access via ScienceDirect (Elsevier); ProQuest Central UK/Ireland
subjects Adjuvant
Adjuvants
Adjuvants, Immunologic - toxicity
Aluminum
Aluminum hydroxide
Aluminum Hydroxide - immunology
Aluminum Hydroxide - toxicity
Animals
Antibodies, Fungal - biosynthesis
Antibodies, Fungal - blood
Antibodies, Fungal - immunology
Antigens
Assaying
Brazil
Cell walls
Cytotoxicity
Enzyme-linked immunosorbent assay
Formulations
Fungal infections
Fungal Vaccines - administration & dosage
Fungal Vaccines - adverse effects
Fungal Vaccines - chemistry
Fungal Vaccines - immunology
Fungi
Immunity, Cellular
Immunization
Immunogenicity
Immunogenicity, Vaccine
Immunoglobulin G
Inoculation
Interferon
Interleukin 12
Interleukin 17
Interleukin 4
Interleukin-17 - immunology
Liver
Lymphocytes T
Macrophages
Mice
Mice, Inbred BALB C
Montanide™ Pet Gel A
Mycosis
Opsonophagocytosis
Peritoneum
Phagocytes
Phagocytosis
Proteins
Spleen
Splenocytes
Sporothrix - immunology
Sporothrix brasiliensis
Sporothrix schenckii
Sporotrichosis
Sporotrichosis - immunology
Sporotrichosis - prevention & control
Th1-Th2 Balance
Toxicity
Vaccination
Vaccine
Vaccines
Yeasts
Zoonoses
title Comparative efficacy and toxicity of two vaccine candidates against Sporothrix schenckii using either Montanide™ Pet Gel A or aluminum hydroxide adjuvants in mice
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