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|Title:||Serum levels of NF kappa B and pro-inflammatory cytokines following administration of mucotoxic drugs|
|Citation:||Cancer Biology & Therapy, 2008; 7(7):1139-1145|
|Logan RM, Stringer AM, Bowen JM, Gibson RJ, Sonis ST and Keefe DM.|
|Abstract:||INTRODUCTION: Alimentary tract (AT) mucositis is a serious complication of cancer treatment. Determining changes that occur in the AT can be difficult as invasive procedures are usually contraindicated in these patients. Changes in tissue levels of the transcription factor NFkappaB and pro-inflammatory cytokines have been demonstrated. The aims of this study were to determine whether changes in serum levels of NFkappaB, TNF, IL-1beta and IL-6 following administration of different drugs predicted histological evidence of tissue damage. RESULTS: Changes in serum levels of NFkappaB, TNF, IL-1beta and IL-6 were observed following administration of each drug. These changes differed according to the drug administered. In most instances, peaks in serum levels occurred following initial histological changes, Although following MTX administration, serum IL-1beta peaked before histological changes and following 5-FU administration, serum NFkappaB, TNF, IL-1beta and IL-6 all peaked before histological evidence of tissue damage. MATERIALS AND METHODS: Female DA rats (n = 243) were given a single dose of irinotecan (200 mg/kg intraperitoneally), methotrexate (1.5 mg/kg intramuscularly) or 5-fluorouracil (150 mg/kg intraperitoneally) and killed 30, 60, 90 minutes, 2, 6, 12, 24, 48 or 72 hours later. Control rats received no treatment. Blood samples were taken via cardiac puncture and centrifuged at 5000 rpm to collect serum. Serum levels of NFkappaB, and pro-inflammatory cytokines were measured by ELISA. CONCLUSIONS: Although changes in serum levels of NFkappaB, TNF, IL-1beta and IL-6 preceded histological changes in tissues, it was concluded that measurement of these factors was not useful in predicting mucosal damage because of the critical time constraints between detectable serun changes and the histological damage. This study highlighted the systemic effects of the drugs. Further studies are required to determine the possible relationships between different toxicities and determine how, once these links are known, patient management can be improved.|
|Keywords:||Gastrointestinal Tract; Epithelium; Animals; Rats; Inflammation; Camptothecin; Fluorouracil; Methotrexate; Tumor Necrosis Factor-alpha; NF-kappa B; Antineoplastic Agents; Interleukin-6; Cytokines; Gene Expression Regulation; Female; Interleukin-1beta; Irinotecan|
|Appears in Collections:||Pathology publications|
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