Journal
FRONTIERS IN BIOSCIENCE-LANDMARK
Volume 11, Issue -, Pages 272-299Publisher
BIOSCIENCE RESEARCH INST-BRI
DOI: 10.2741/1797
Keywords
sepsis; systemic infection; mice; human; apoptosis; immune dysfunction; organ dysfunction; review
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Funding
- NHLBI NIH HHS [HL 73525] Funding Source: Medline
- NIGMS NIH HHS [GM 46354, GM 53209] Funding Source: Medline
- NATIONAL HEART, LUNG, AND BLOOD INSTITUTE [R01HL073525] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM053209, R01GM046354, R29GM046354, R55GM046354] Funding Source: NIH RePORTER
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Sepsis is the leading cause of death in critically ill patients in the United States. It is associated with enormous expenditures within the health care system and despite substantial human, medical and fiscal resources directed at this clinical entity we have only had a modest effect on the septic patient's long- term survival. However, extensive studies over the last few decades have begun to reveal important pathophysiological processes around which a few promising therapeutic strategies with potential benefits may be derived. It is generally believed, that the body reacts to a septic challenge with an intense hyperinflammatory response, designed to eliminate the underlying pathogen. However, along with and in response to the intense pro- inflammatory reaction, mechanisms fall into place to counter regulate ( control) this initial response, typically resulting in a down regulation of the inflammatory response. This frequently results in dysfunction of various immunological conditions and may result in the inability to ward off the infection and consecutively lead to multiple organ dysfunction, multiple organ failure and death. It is the aberrant development of this anti- inflammatory/ immunosuppressive response, in which it is important to expand our understanding of pathological components to develop potential remedy. Upon this background this review aims to provide an overview on the pathophysiological mechanisms which initiate or maintain the down regulation of the immune response to a septic challenge and which might be a starting point for the development of therapeutic strategies.
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