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Synthetic DNA Vaccines Adjuvanted with pIL-33 Drive Liver-Localized T Cells and Provide Protection from Plasmodium Challenge in a Mouse Model

Reeder, Sophia M.; Reuschel, Emma L.; Bah, Mamadou A.; Yun, Kun; Tursi, Nicholas J.; Kim, Kevin Y.; Chu, Jacqueline; Zaidi, Faraz, I; Yilmaz, Ilknur; Hart, Robert J.; Perrin, Benjamin; Xu, Ziyang; Humeau, Laurent; Weiner, David B.; Aly, Ahmed S., I


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{
  "@context": "https://schema.org/", 
  "@id": 10305, 
  "@type": "ScholarlyArticle", 
  "creator": [
    {
      "@type": "Person", 
      "name": "Reeder, Sophia M."
    }, 
    {
      "@type": "Person", 
      "affiliation": "Vaccine Ctr, Wistar Inst, Philadelphia, PA 19104 USA", 
      "name": "Reuschel, Emma L."
    }, 
    {
      "@type": "Person", 
      "affiliation": "Vaccine Ctr, Wistar Inst, Philadelphia, PA 19104 USA", 
      "name": "Bah, Mamadou A."
    }, 
    {
      "@type": "Person", 
      "name": "Yun, Kun"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Vaccine Ctr, Wistar Inst, Philadelphia, PA 19104 USA", 
      "name": "Tursi, Nicholas J."
    }, 
    {
      "@type": "Person", 
      "affiliation": "Vaccine Ctr, Wistar Inst, Philadelphia, PA 19104 USA", 
      "name": "Kim, Kevin Y."
    }, 
    {
      "@type": "Person", 
      "affiliation": "Vaccine Ctr, Wistar Inst, Philadelphia, PA 19104 USA", 
      "name": "Chu, Jacqueline"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Vaccine Ctr, Wistar Inst, Philadelphia, PA 19104 USA", 
      "name": "Zaidi, Faraz, I"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Bezmialem Vakif Univ, Beykoz Inst Life Sci & Biotechnol, Istanbul 34820, Turkey", 
      "name": "Yilmaz, Ilknur"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Tulane Univ, Dept Trop Med, New Orleans, LA 70112 USA", 
      "name": "Hart, Robert J."
    }, 
    {
      "@type": "Person", 
      "affiliation": "Tulane Univ, Dept Trop Med, New Orleans, LA 70112 USA", 
      "name": "Perrin, Benjamin"
    }, 
    {
      "@type": "Person", 
      "name": "Xu, Ziyang"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Inovio Pharmaceut Inc, Plymouth Meeting, PA 19462 USA", 
      "name": "Humeau, Laurent"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Vaccine Ctr, Wistar Inst, Philadelphia, PA 19104 USA", 
      "name": "Weiner, David B."
    }, 
    {
      "@type": "Person", 
      "name": "Aly, Ahmed S., I"
    }
  ], 
  "datePublished": "2020-01-01", 
  "description": "The need for a malaria vaccine is indisputable. A single vaccine for Plasmodium pre-erythrocytic stages targeting the major sporozoite antigen circumsporozoite protein (CSP) has had partial success. Additionally, CD8+ T cells targeting liver-stage (LS) antigens induced by live attenuated sporozoite vaccines were associated with protection in human challenge experiments. To further evaluate protection mediated by LS antigens, we focused on exported pre-erythrocytic proteins (exported protein 1 (EXP1), profilin (PFN), exported protein 2 (EXP2), inhibitor of cysteine proteases (ICP), transmembrane protein 21 (TMP21), and upregulated in infective sporozoites-3 (UIS3)) expressed in all Plasmodium species and designed optimized, synthetic DNA (synDNA) immunogens. SynDNA antigen cocktails were tested with and without the molecular adjuvant plasmid IL-33. Immunized animals developed robust T cell responses including induction of antigen-specific liver-localized CD8+ T cells, which were enhanced by the co-delivery of plasmid IL-33. In total, 100% of mice in adjuvanted groups and 71%-88% in non-adjuvanted groups were protected from blood-stage disease following Plasmodium yoelii sporozoite challenge. This study supports the potential of synDNA LS antigens as vaccine components for malaria parasite infection.", 
  "headline": "Synthetic DNA Vaccines Adjuvanted with pIL-33 Drive Liver-Localized T Cells and Provide Protection from Plasmodium Challenge in a Mouse Model", 
  "identifier": 10305, 
  "image": "https://aperta.ulakbim.gov.tr/static/img/logo/aperta_logo_with_icon.svg", 
  "license": "http://www.opendefinition.org/licenses/cc-by", 
  "name": "Synthetic DNA Vaccines Adjuvanted with pIL-33 Drive Liver-Localized T Cells and Provide Protection from Plasmodium Challenge in a Mouse Model", 
  "url": "https://aperta.ulakbim.gov.tr/record/10305"
}
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