ambrosia arborescens/immunostimulator

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Conjugation of immunostimulatory DNA to the short ragweed allergen amb a 1 enhances its immunogenicity and reduces its allergenicity.

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BACKGROUND Allergen immunotherapy is inconvenient and associated with the risk of anaphylaxis. Efforts to improve the safety of immunotherapy by means of chemical modification of allergens have not been successful because it greatly reduced their antigenicity. Recently, immunostimulatory DNA

Selective immune redirection in humans with ragweed allergy by injecting Amb a 1 linked to immunostimulatory DNA.

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BACKGROUND In animal models administration of immunostimulatory DNA sequences preferentially elicits T(H)1-dominated (type 1-dominated) immunity and can inhibit developing or ongoing T(H)2 (type 2) responses. OBJECTIVE Our objective was to investigate this phenomenon in humans. METHODS In a

Immunostimulatory sequence DNA linked to the Amb a 1 allergen promotes T(H)1 cytokine expression while downregulating T(H)2 cytokine expression in PBMCs from human patients with ragweed allergy.

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BACKGROUND Recent studies have demonstrated that bacterially derived immunostimulatory sequences (ISSs) of DNA can activate the mammalian innate immune system and promote the development of T(H)1 cells. Promotion of T(H)1 immunity by means of immunotherapy in allergic patients has led to the

Local induction of a specific Th1 immune response by allergen linked immunostimulatory DNA in the nasal explants of ragweed-allergic subjects.

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BACKGROUND Allergen immunotherapy is effective in allergic individuals however efforts are being made to improve its safety, convenience, and efficacy. It has recently been demonstrated that allergen-linked immunostimulatory DNA (ISS) is effective in stimulating an allergen-specific Th1 response

Immunotherapy with a ragweed-toll-like receptor 9 agonist vaccine for allergic rhinitis.

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BACKGROUND Conjugating immunostimulatory sequences of DNA to specific allergens offers a new approach to allergen immunotherapy that reduces acute allergic responses. METHODS We conducted a randomized, double-blind, placebo-controlled phase 2 trial of a vaccine consisting of Amb a 1, a

Treatment of organic livestock with medicinal plants: a systematic review of European ethnoveterinary research.

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BACKGROUND The EC Regulation for Organic Farming states that organic livestock should be treated preferably with phytotherapeutic products. In spite of the high importance of organic livestock in Europe, primarily ruminants, today almost no phytotherapeutic product is registered for livestock. Also,

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