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https://hdl.handle.net/2440/11822
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Type: | Journal article |
Title: | Non-steroidal anti-inflammatory drugs and apoptosis in the gastrointestinal tract: potential role of the pentose phosphate pathway |
Author: | Porter, S. Howarth, G. Butler, R. |
Citation: | European Journal of Pharmacology, 2000; 397(1):1-9 |
Publisher: | Elsevier Science BV |
Issue Date: | 2000 |
ISSN: | 0014-2999 1879-0712 |
Abstract: | Non-steroidal anti-inflammatory drugs (NSAIDs) are among the most widely prescribed drugs, primarily for treatment of arthritis. NSAIDs can have two effects independent of their anti-inflammatory action. In the stomach and small bowel long term NSAID consumption can lead to ulceration, whereas in the colon NSAID use can regress existing tumours. In this review, we hypothesise that NSAID-induced damage occurs predominantly by promoting apoptosis, involving a number of mechanisms depending on the type and the redox state of the cell. In addition to inhibiting cyclooxygenase (COX) activity, this includes interfering with glucose metabolism through both arms of the pentose phosphate pathways and energy production via glycolysis and oxidative phosphorylation. Shifting the cellular balance from proliferation to apoptosis is probably the most important outcome by which NSAIDs exhibit their differing actions. Understanding how these different pathways can be reconciled and their contribution to the balance between cell birth and cell death is the challenge for the future. The pentose phosphate pathways may provide a pivotal point for understanding links between factors which alter proliferative activity (e.g. COXs), provide energy metabolism (particularly aerobic and anaerobic metabolism of glucose), and change the redox state of the cell leading to apoptosis. |
Keywords: | Digestive System Animals Humans Anti-Inflammatory Agents, Non-Steroidal Apoptosis Pentose Phosphate Pathway |
DOI: | 10.1016/S0014-2999(00)00237-5 |
Published version: | http://dx.doi.org/10.1016/s0014-2999(00)00237-5 |
Appears in Collections: | Aurora harvest 2 Physiology publications |
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