2004
DOI: 10.1186/1471-2482-4-10
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Radiation enteropathy and leucocyte-endothelial cell reactions in a refined small bowel model

Abstract: Background: Leucocyte recruitment and inflammation are key features of high dose radiation-induced tissue injury. The inflammatory response in the gut may be more pronounced following radiotherapy due to its high bacterial load in comparison to the response in other organs. We designed a model to enable us to study the effects of radiation on leucocyte-endothelium interactions and on intestinal microflora in the murine ileum. This model enables us to study specifically the local effects of radiation therapy.

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Cited by 52 publications
(59 citation statements)
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“…It increases arachidonic acid secretion and thus increases its concentration in extracellular fluids, providing substrates for phospholipase and cyclooxygenase [26,27]. Vascular changes occurring early after irradiation, such as endothelial cell apoptosis and increased ICAM-1 expression, are viewed as important events in the pathogenesis of radiation damage.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…It increases arachidonic acid secretion and thus increases its concentration in extracellular fluids, providing substrates for phospholipase and cyclooxygenase [26,27]. Vascular changes occurring early after irradiation, such as endothelial cell apoptosis and increased ICAM-1 expression, are viewed as important events in the pathogenesis of radiation damage.…”
Section: Discussionmentioning
confidence: 99%
“…Radiation activates inflammatory cells, leading to synthesis and release of certain cytokines, inflammatory mediators, and reactive oxygen metabolites. Superoxide radicals produced by activated leucocytes or the xanthine oxidase pathway, prostaglandin products, and leukotrienes formed by the oxidation of arachidonic acid constitute the main sources of reactive oxygen species in inflamed mucosa [5][6][7][24][25][26].…”
Section: Discussionmentioning
confidence: 99%
“…Inflammatory processes contribute substantially to the pathophysiology of radiation enteropathy (3,4). During radiation therapy of organized tissues, such as the intestine, acute inflammatory responses occur after each radiation fraction.…”
Section: Introductionmentioning
confidence: 99%
“…Les rayonnements induisent une pléthore d'événements au sein de la structure vasculaire, comme l'activation de l'endothélium [8], l'augmentation de la production de cytokines et de chimiokines et de l'expression d'un certain nombre de molécules d'adhésion, qui favorisent les interactions entre les cellules endothéliales et les leucocytes circulants [9,10]. Tous ces phénomènes participent au développement des processus inflammatoires tissulaires.…”
Section: Limiter Les Premières éTapes De L'inflammationunclassified