Gastric mucosal lesions in influenza virus infected mice: role of gastric lipid peroxidation.
Identifieur interne : 002A09 ( Main/Exploration ); précédent : 002A08; suivant : 002A10Gastric mucosal lesions in influenza virus infected mice: role of gastric lipid peroxidation.
Auteurs : M. Mileva [Bulgarie] ; K. Marazova ; A S GalabovSource :
- Methods and findings in experimental and clinical pharmacology [ 0379-0355 ] ; 2003.
Descripteurs français
- KwdFr :
- Animaux, Basse température, Contention physique, Immobilisation, Infections à Orthomyxoviridae (), Infections à Orthomyxoviridae (métabolisme), Infections à Orthomyxoviridae (virologie), Muqueuse gastrique (anatomopathologie), Muqueuse gastrique (métabolisme), Mâle, Peroxydation lipidique, Souris, Souris de lignée ICR, Stress oxydatif, Stress psychologique (), Ulcère gastrique (anatomopathologie), Ulcère gastrique (métabolisme), Ulcère gastrique (étiologie), Virus de la grippe A.
- MESH :
- anatomopathologie : Muqueuse gastrique, Ulcère gastrique.
- métabolisme : Infections à Orthomyxoviridae, Muqueuse gastrique, Ulcère gastrique.
- virologie : Infections à Orthomyxoviridae.
- étiologie : Ulcère gastrique.
- Animaux, Basse température, Contention physique, Immobilisation, Infections à Orthomyxoviridae, Mâle, Peroxydation lipidique, Souris, Souris de lignée ICR, Stress oxydatif, Stress psychologique, Virus de la grippe A.
English descriptors
- KwdEn :
- Animals, Cold Temperature, Gastric Mucosa (metabolism), Gastric Mucosa (pathology), Immobilization, Influenza A virus, Lipid Peroxidation, Male, Mice, Mice, Inbred ICR, Orthomyxoviridae Infections (complications), Orthomyxoviridae Infections (metabolism), Orthomyxoviridae Infections (virology), Oxidative Stress, Restraint, Physical, Stomach Ulcer (etiology), Stomach Ulcer (metabolism), Stomach Ulcer (pathology), Stress, Psychological (complications).
- MESH :
- complications : Orthomyxoviridae Infections, Stress, Psychological.
- etiology : Stomach Ulcer.
- metabolism : Gastric Mucosa, Orthomyxoviridae Infections, Stomach Ulcer.
- pathology : Gastric Mucosa, Stomach Ulcer.
- virology : Orthomyxoviridae Infections.
- Animals, Cold Temperature, Immobilization, Influenza A virus, Lipid Peroxidation, Male, Mice, Mice, Inbred ICR, Oxidative Stress, Restraint, Physical.
Abstract
The present study provides direct experimental proof that the combination of influenza virus infection A/Aichi/2/68 (H3N3) with different models of oxidative stress, such as immobilization, cold and cold-restraint, is associated with graduated oxidative disturbances in the stomach of mice, despite the absence of virus replication and inflammation in this tissue. It was found that experimental influenza virus infection is accompanied with significant changes in gastric mucosal integrity, as well as an increase in the products of lipid peroxidation in the stomachs of mice. Preliminary exposure of mice to immobilization stress and subsequent inoculation of influenza virus did not significantly influence gastric ulceration or lipid peroxidation compared with infected mice. Cold stress resulted in a significant decrease in the index of stomach ulceration and did not influence the fluorescent products of lipid peroxidation and MDA compared with infected animals. The simultaneous application of cold-restraint stress and influenza virus infection provoked synergism in the activity of all factors on the parameters under investigation. Ulceration increased approximately two-fold, as did the amount of fluorescent products of lipid peroxidation and MDA, compared with influenza virus-infected and non-stressed animals.
DOI: 10.1358/mf.2003.25.7.778090
PubMed: 14571281
Affiliations:
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Mileva</name><affiliation wicri:level="3"><nlm:affiliation>Department of Medical Physics and Biophysics, Bulgarian Academy of Sciences, Sofia, Bulgaria. mileva@medfac.acad.bg</nlm:affiliation><country xml:lang="fr">Bulgarie</country><wicri:regionArea>Department of Medical Physics and Biophysics, Bulgarian Academy of Sciences, Sofia</wicri:regionArea><placeName><settlement type="city">Sofia</settlement><region nuts="2">Sofia-ville (oblast)</region></placeName></affiliation></author><author><name sortKey="Marazova, K" sort="Marazova, K" uniqKey="Marazova K" first="K" last="Marazova">K. 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It was found that experimental influenza virus infection is accompanied with significant changes in gastric mucosal integrity, as well as an increase in the products of lipid peroxidation in the stomachs of mice. Preliminary exposure of mice to immobilization stress and subsequent inoculation of influenza virus did not significantly influence gastric ulceration or lipid peroxidation compared with infected mice. Cold stress resulted in a significant decrease in the index of stomach ulceration and did not influence the fluorescent products of lipid peroxidation and MDA compared with infected animals. The simultaneous application of cold-restraint stress and influenza virus infection provoked synergism in the activity of all factors on the parameters under investigation. Ulceration increased approximately two-fold, as did the amount of fluorescent products of lipid peroxidation and MDA, compared with influenza virus-infected and non-stressed animals.</div></front></TEI><affiliations><list><country><li>Bulgarie</li></country><region><li>Sofia-ville (oblast)</li></region><settlement><li>Sofia</li></settlement></list><tree><noCountry><name sortKey="Galabov, A S" sort="Galabov, A S" uniqKey="Galabov A" first="A S" last="Galabov">A S Galabov</name><name sortKey="Marazova, K" sort="Marazova, K" uniqKey="Marazova K" first="K" last="Marazova">K. Marazova</name></noCountry><country name="Bulgarie"><region name="Sofia-ville (oblast)"><name sortKey="Mileva, M" sort="Mileva, M" uniqKey="Mileva M" first="M" last="Mileva">M. Mileva</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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