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Zapytanie: HUNTER JR
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Tytuł oryginału: Lactoferrin immunomodulation of DTH response in mice.
Autorzy: Actor Jeffrey K., Hwang Shen-An, Olsen Margaret, Zimecki Michał, Hunter jr Robert L., Kruzel Marian L.
Źródło: Int. Immunopharmacol. 2002: 2 (4) s.475-486, il., tab., bibliogr. 51 poz.
Sygnatura GBL: 313,577

Hasła klasyfikacyjne GBL:
  • immunologia
  • farmacja

    Typ dokumentu:
  • praca doświadczalna
  • praca opublikowana za granicą
  • tytuł obcojęzyczny

    Wskaźnik treści:
  • zwierzęta
  • myszy

    Streszczenie angielskie: Improved nontoxic adjuvants, especially adjuvants capable of inducing cell-mediated immunity (CMI), are needed for research in immunology and for development of human and veterinary vaccines. Bovine Lactoferrin, an effector molecule shown to directly participate in host defense, was assessed at various concentrations as an adjuvant component for induction of DTH responses to sheep red blood cells (SRBC). Subcutaneous immunization with Lactoferrin enhanced delayed type hypersensitivity (DTH) in CBA mice in a dose-dependent fashion; DTH responses were most significantly increased when sensitization was accomplished using Lactoferrin at 50 ćg/dose and 250 ćg/dose. Furthermore, Lactoferrin admixed with suboptimal dose of SRBC enhanced DTH responses by over 17-fold. Peritoneal cells collected from mice intraperitoneally injected with a 100 ćg/dose of Lactoferrin demonstrated modest, but significant, production of TNF-ŕ, IL-12 and MIP-1ŕ, when cultured in vitro, compared to saline-injected controls. J774A.1 murine macrophages stimulated with Lactoferrin resulted in increased TNF-ŕ protein production, and upregulated IL-12 and IL-15 mRNA. Levels of message for chemokins MIP-1ŕ and MIP-2 were also increased in a dose-dependent way. Taken together, these results indicate that Lactoferrin as an adjuvant may stimulate macrophages to generate a local environment likely to push immune responses towards development and maintenance of CMI.

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