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[Role of neutrophils in the development of active Arthus phenomenon in rabbits immunized with bovine serum albumin].

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Basophils and mast cells play critical roles for leukocyte recruitment in IgE-mediated cutaneous reverse passive Arthus reaction.

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BACKGROUND The pathogenic role of IgE has been implicated in a variety of allergic and inflammatory diseases. We have previously established an IgE-mediated cutaneous reverse passive Arthus model in which eosinophil infiltration is a prominent feature. This uniquely provides a model of type III

Contribution of B(2) receptors for bradykinin in arthus reaction-induced plasma extravasation in wild-type or B(2) transgenic knockout mice.

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The aim of the present study was to investigate the contribution of bradykinin (BK) B(1) and B(2) receptors in a model of type III hypersensitivity, the reverse passive Arthus reaction (RPA), in wild-type mice and transgenic B(2) knockout littermates. BK (10 microg mouse(-1)) or bovine serum albumin

Immunochemical studies of antitoxin produced in normal and allergic individuals hyperimmunized with diphtheria toxoid. III. Studies of the passive Arthus reaction in guinea pigs using human precipitating and nonprecipitating diphtheria antitoxin.

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The Arthus reaction was studied in guinea pigs passively immunized with human diphtheria antitoxin. Diphtheria toxoid was given intradermally 24 hours following the intravenous administration of antitoxin and the subsequent reactions were graded and measured. The intensity of Arthus reactions was

Establishment of experimental eosinophilic vasculitis by IgE-mediated cutaneous reverse passive arthus reaction.

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Prominent eosinophil infiltration is a characteristic of some forms of vasculitis, such as Churg-Strauss syndrome, also known as allergic granulomatous vasculitis. In the current study, we established a mouse model of cutaneous eosinophilic vasculitis by the cutaneous reverse passive Arthus reaction

Anti-inflammatory effects of methotrexate on reversed passive Arthus reactions in rats.

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The anti-inflammatory effects of methotrexate (MTX), an anti-rheumatic drug for treating rheumatoid arthritis, on acute inflammation were studied by using Arthus reactions induced in the pleural cavity and dorsal skin of rats. The effects were compared with those of dexamethasone (DEX), a synthetic

Modification of two models of Arthus reaction in the rat by various drugs.

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The action of several steroidal and non-steroidal antiinflammatory agents, immunosuppressives, and antirheumatics (levamisole, chloroquine, sodium aurothiopropanol sulphonate, D-penicillamine) was studied in two models of Arthus-passive reaction in the rat: paw oedema induced by an anti-ovalbumin

Nitric oxide inhibits neutrophil infiltration in the reverse passive arthus reaction in rat skin.

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The role of nitric oxide (NO) in the reverse passive Arthus reaction elicited in the rat skin has been studied. The reverse passive Arthus reaction was modulated by test compounds given by intradermal injection in combination with anti-bovine serum albumin antibody. L-arginine (1.5-15 micromol/site)

Apoptosis mediates decrease in cellularity during the regression of Arthus reaction in cornea.

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OBJECTIVE The Arthus type allergic reaction is characterised by inflammatory cell infiltration and marked neovascularisation in the cornea. During the healing stages, inflammatory cells and newly formed microvessels gradually disappear. The aim was to establish whether apoptosis affected the

Epidermal cell proliferation following an active arthus reaction in the guinea pig.

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Active Arthus reactions were provoked by injections of 100 micrograms horseradish peroxidase (HRP), 10 micrograms HRP and 100 micrograms bovine serum albumin (BSA) into the skin of sensitized guinea pigs. Labeling indices (LI) of epidermal basal cells were measured 1, 4, 8, 24, 48 and 72 h later by

A specific antagonist of platelet-activating factor suppresses oedema formation in an Arthus reaction but not oedema induced by leukocyte chemoattractants in rabbit skin.

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The properties of a novel platelet-activating factor (PAF) antagonist, L-652731, on oedema responses in rabbit skin induced by exogenous inflammatory mediators and by mediators generated endogenously in a reversed passive Arthus reaction have been investigated. Oedema responses in the skin were

The effects of anti-inflammatory and other agents on the rat dermal arthus reaction.

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The inhibitory effects of selected drugs on the Arthus reaction, a model of immune-complex-induced tissue injury, were studied. The reverse passive Arthus reaction (RPAR) was elicited in the dorsal skin of rats, using bovine serum albumin and the gamma-globulin fraction of rabbit anti-BSA. The

Erythrogenic toxin-induced arteritis in a rabbit ear model. Comparison with Arthus reaction angiitis.

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We have developed a local type experimental model of angiitisin rabbits. Repeated intracutaneous injections of erythrogenic toxins types A and C (ETA, ETC) along the intermediate auricular artery of the rabbit ear produced subacute type arteritis, characteristic of lymphocyticinfiltration,

Streptococcal and staphylococcal superantigen-induced lymphocytic arteritis in a local type experimental model: comparison with acute vasculitis in the Arthus reaction.

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Many pathogenic bacteria produce superantigenic exotoxins. To study their pathogenetic role, in particular to test whether these toxins are able to induce vasculitis, we developed a local-type experimental model in rabbits. Toxins were injected along the intermediate auricular artery of the ear. The

Pathways to inflammation induced by immune complexes: development of the Arthus reaction.

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The changes associated with inflammation induced by immune complexes (reversed passive Arthus reaction induced with egg albumin-anti-egg albumin) were quantitated and the kinetics of the various vascular phenomena were ascertained. Hyperemia, increase in vascular permeability, platelet accumulation,

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