Abstract
Acute pancreatitis is an inflammation initially localized in the pancreatic gland which may lead to local and systemic complications. The development of severe acute pancreatitis is mediated by pathophysiological mechanisms involved in the systemic inflammatory response, cytokines and oxidative stress being their components of major importance. Nevertheless, it is still unknown why an episode of acute pancreatitis remains mild or progresses to a severe form. Activated leukocytes are the main source of cytokines. Interleukin 1β and tumor necrosis factor alpha (TNF-α) initiate and propagate almost all the consequences of the systemic inflammatory response syndrome, leading to amplification of the inflammatory response. It is noteworthy that the systemic inflammatory response is restrained and the rate of mortality decreased in acute pancreatitis when TNF-α is blocked with specific antibodies or in knock-out mice deficient in its receptors. A synergy between pro-inflammatory cytokines and oxidative stress occurs in the development of the inflammatory response in acute pancreatitis. Pro-inflammatory cytokines and oxidative stress trigger common signal transduction pathways that lead to amplification of the inflammatory cascade, mainly through activation of mitogen-activated protein kinases (MAPK) and nuclear factor kappaB (NF-κB). Furthermore, proinflammatory cytokines, particularly TNF-α, and oxidative stress promote each other generating a vicious circle in acute pancreatitis. This cross-talk that arises between pro-inflammatory cytokines and oxidative stress greatly contributes to amplification of the uncontrolled inflammatory cascade through MAPK and NF-κB.
Keywords: Tumor necrosis factor α, interleukin 1β, platelet activating factor, oxygen free radicals, glutathione, lipid peroxidation, xanthine oxidase, nitric oxide
Current Medicinal Chemistry
Title: Interaction Between Cytokines and Oxidative Stress in Acute Pancreatitis
Volume: 13 Issue: 23
Author(s): Javier Pereda, Luis Sabater, Luis Aparisi, Javier Escobar, Juan Sandoval, Jose Vina, Gerardo Lopez-Rodas and Juan Sastre
Affiliation:
Keywords: Tumor necrosis factor α, interleukin 1β, platelet activating factor, oxygen free radicals, glutathione, lipid peroxidation, xanthine oxidase, nitric oxide
Abstract: Acute pancreatitis is an inflammation initially localized in the pancreatic gland which may lead to local and systemic complications. The development of severe acute pancreatitis is mediated by pathophysiological mechanisms involved in the systemic inflammatory response, cytokines and oxidative stress being their components of major importance. Nevertheless, it is still unknown why an episode of acute pancreatitis remains mild or progresses to a severe form. Activated leukocytes are the main source of cytokines. Interleukin 1β and tumor necrosis factor alpha (TNF-α) initiate and propagate almost all the consequences of the systemic inflammatory response syndrome, leading to amplification of the inflammatory response. It is noteworthy that the systemic inflammatory response is restrained and the rate of mortality decreased in acute pancreatitis when TNF-α is blocked with specific antibodies or in knock-out mice deficient in its receptors. A synergy between pro-inflammatory cytokines and oxidative stress occurs in the development of the inflammatory response in acute pancreatitis. Pro-inflammatory cytokines and oxidative stress trigger common signal transduction pathways that lead to amplification of the inflammatory cascade, mainly through activation of mitogen-activated protein kinases (MAPK) and nuclear factor kappaB (NF-κB). Furthermore, proinflammatory cytokines, particularly TNF-α, and oxidative stress promote each other generating a vicious circle in acute pancreatitis. This cross-talk that arises between pro-inflammatory cytokines and oxidative stress greatly contributes to amplification of the uncontrolled inflammatory cascade through MAPK and NF-κB.
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Pereda Javier, Sabater Luis, Aparisi Luis, Escobar Javier, Sandoval Juan, Vina Jose, Lopez-Rodas Gerardo and Sastre Juan, Interaction Between Cytokines and Oxidative Stress in Acute Pancreatitis, Current Medicinal Chemistry 2006; 13 (23) . https://dx.doi.org/10.2174/092986706778522011
DOI https://dx.doi.org/10.2174/092986706778522011 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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