A Potent Adjuvant Monophosphoryl Lipid A Triggers Various Immune Responses, but Not Secretion of IL-1 or Activation of Caspase-1

نویسندگان

  • Masami Miura
  • Masahiro Nishijima
  • Kazuo Okemoto
  • Kiyoshi Kawasaki
  • Kentaro Hanada
چکیده

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منابع مشابه

A potent adjuvant monophosphoryl lipid A triggers various immune responses, but not secretion of IL-1beta or activation of caspase-1.

Lipid A, the membrane anchor portion of LPS, is responsible for the endotoxin activity of LPS and induces many inflammatory responses in macrophages. Monophosphoryl lipid A (MPL), a lipid A derivative lacking a phosphate residue, induces potent immune responses with low toxicity. To elucidate the mechanism underlying the low toxicity of MPL, we examined the effects of MPL on the secretion of pr...

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Monophosphoryl lipid A (MPL) is a non-toxic TLR4 ligand, derived from Salmonella minnesota R595 (Re) lipopolysaccharide (LPS) by chemical modification. It is clinically used as an adjuvant for cancer treatment (Fendrix, Ceravix) and allergen specific immunotherapy (Pollinex Quattro, ORALVAC). Nevertheless, reports on the mechanism of adjuvant activity are limited. The aim of this study was to c...

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A Fusion Protein Consisting of the Vaccine Adjuvant Monophosphoryl Lipid A and the Allergen Ovalbumin Boosts Allergen-Specific Th1, Th2, and Th17 Responses In Vitro

Background. The detoxified TLR4-ligand Monophosphoryl Lipid A (MPLA) is the first approved TLR-agonist used as adjuvant in licensed vaccines but has not yet been explored as part of conjugated vaccines. Objective. To investigate the immune-modulating properties of a fusion protein consisting of MPLA and Ovalbumin (MPLA : Ova). Results. MPLA and Ova were chemically coupled by stable carbamate li...

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Many immunostimulants act as vaccine adjuvants via activation of the innate immune system, although in many cases it is unclear which specific molecules contribute to the stimulatory activity. QS-21 is a defined, highly purified, and soluble saponin adjuvant currently used in licensed and exploratory vaccines, including vaccines against malaria, cancer, and HIV-1. However, little is known about...

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تاریخ انتشار 2005