Immunopathogenesis of human gastrointestinal infection by Anisakis simplex
| Autor: | Ana I. Tabar, Teresa Tuñon, Ignacio Arrieta, Pilar Palomino, Marta Rojo, Victoria del Pozo, Blanca Cárdaba, Isabel Cortegano, Carlos Lahoz, Guadalupe Renedo, Soledad Gallardo, B. Gómez |
|---|---|
| Rok vydání: | 1999 |
| Předmět: |
Adult
Male Eotaxin Pathology medicine.medical_specialty Immunology Nitric Oxide Synthase Type II Eosinophil-derived neurotoxin Eosinophil-Derived Neurotoxin Anisakiasis Anisakis Ribonucleases Th2 Cells Eosinophilic gastroenteritis medicine Animals Humans Immunology and Allergy Cells Cultured Aged Aged 80 and over Eosinophil cationic protein biology Anisakis simplex Blood Proteins Eosinophil Granule Proteins Middle Aged Th1 Cells Eosinophil medicine.disease biology.organism_classification Abdominal Pain Eosinophils medicine.anatomical_structure Leukocytes Mononuclear Major basic protein biology.protein Cytokines Female Chemokines Nitric Oxide Synthase |
| Zdroj: | Journal of Allergy and Clinical Immunology. 104:637-643 |
| ISSN: | 0091-6749 |
| DOI: | 10.1016/s0091-6749(99)70336-2 |
| Popis: | Background: Anisakis simplex is a parasite of fish, and in the case of human infestation, it should be considered as a possible cause of gastrointestinal disease, especially in countries where raw or undercooked fish is a frequent food. Clinical features of anisakiasis may simulate acute abdominal pain, such as that found in patients with gastric ulcers, appendicitis, and Crohn's disease. Furthermore, many cases of anisakiasis are diagnosed as eosinophilic gastroenteritis, which is a broad term for a specific disease. Objective: The purpose of this study was to investigate the immunopathogenesis of human gastrointestinal infestation by A simplex . Methods: Thirteen intestinal biopsy specimens from patients with anisakiasis were analyzed for the presence of messenger (m)RNA for different cytokines and inflammatory mediators by RT-PCR. Specific IgE, eosinophil cationic protein, eosinophil protein X, and tryptase levels were measured in each patient s serum. Also, cell cultures were set up with lymphocytes from some patients and stimulated in vitro with Anisakis and Ascaris antigens. Results: We performed immunologic phenotyping in 13 patients. All patients underwent biopsy after emergency surgery caused by episodes of acute abdominal pain. In all cases inflammatory infiltrate composed of eosinophils and lymphocytes was found in the intestinal wall. We demonstrated that after infestation, a T H2 -type immune response occurred. Also, major basic protein, nitric oxide, and eotaxin were found in the tissue, and eosinophil cationic protein and eosinophil protein X levels were elevated in sera. Conclusion: These data and in vitro lymphocyte cultures indicate that a T H2 mechanism plays an important role in the inflammatory infiltrate produced by the anchorage of parasites in the gastrointestinal wall. (J Allergy Clin Immunol 1999;104:637-43.) |
| Databáze: | OpenAIRE |
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