Mecanismos moleculares en el daño por isquemia-reperfusión hepática y en el preacondicionamiento isquémico
Ischemia-reperfusion (IR) liver injury is associated with temporary clamping of hepatoduodenal ligament during liver surgery, hypoperfusion shock and graft failure after liver transplantation. Mechanisms of IR liver injury include: i) loss of calcium homeostasis, ii) reactive oxygen and nitrogen spe...
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Sociedad Médica de Santiago
2005
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oai:scielo:S0034-988720050004000122005-06-13Mecanismos moleculares en el daño por isquemia-reperfusión hepática y en el preacondicionamiento isquémicoRomanque U,PamelaUribe M,MarioVidela,Luis A Ischemia-reperfusion injury Liver transplantation Shock, surgical Ischemia-reperfusion (IR) liver injury is associated with temporary clamping of hepatoduodenal ligament during liver surgery, hypoperfusion shock and graft failure after liver transplantation. Mechanisms of IR liver injury include: i) loss of calcium homeostasis, ii) reactive oxygen and nitrogen species generation, iii) changes in microcirculation, iv) Kupffer cell activation, and (v) complement activation. Pre-exposure of the liver to transient ischemia increases the tolerance to IR injury, a phenomenon known as hepatic ischemic preconditioning (IP). IP involves: i) recovery of the energy supply and calcium, sodium and pH homeostasis, ii) enhancement in the antioxidant potential, and iii) expression of multiple stress-response proteins, including acute phase proteins, heat shock proteins, and heme oxygenase. These observations and preliminary studies in humans give a rationale for the assessment of IP in minimizing or preventing IR injury during surgery and non surgical conditions of tissue hypoperfusioninfo:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.133 n.4 20052005-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872005000400012es10.4067/S0034-98872005000400012 |
institution |
Scielo Chile |
collection |
Scielo Chile |
language |
Spanish / Castilian |
topic |
Ischemia-reperfusion injury Liver transplantation Shock, surgical |
spellingShingle |
Ischemia-reperfusion injury Liver transplantation Shock, surgical Romanque U,Pamela Uribe M,Mario Videla,Luis A Mecanismos moleculares en el daño por isquemia-reperfusión hepática y en el preacondicionamiento isquémico |
description |
Ischemia-reperfusion (IR) liver injury is associated with temporary clamping of hepatoduodenal ligament during liver surgery, hypoperfusion shock and graft failure after liver transplantation. Mechanisms of IR liver injury include: i) loss of calcium homeostasis, ii) reactive oxygen and nitrogen species generation, iii) changes in microcirculation, iv) Kupffer cell activation, and (v) complement activation. Pre-exposure of the liver to transient ischemia increases the tolerance to IR injury, a phenomenon known as hepatic ischemic preconditioning (IP). IP involves: i) recovery of the energy supply and calcium, sodium and pH homeostasis, ii) enhancement in the antioxidant potential, and iii) expression of multiple stress-response proteins, including acute phase proteins, heat shock proteins, and heme oxygenase. These observations and preliminary studies in humans give a rationale for the assessment of IP in minimizing or preventing IR injury during surgery and non surgical conditions of tissue hypoperfusion |
author |
Romanque U,Pamela Uribe M,Mario Videla,Luis A |
author_facet |
Romanque U,Pamela Uribe M,Mario Videla,Luis A |
author_sort |
Romanque U,Pamela |
title |
Mecanismos moleculares en el daño por isquemia-reperfusión hepática y en el preacondicionamiento isquémico |
title_short |
Mecanismos moleculares en el daño por isquemia-reperfusión hepática y en el preacondicionamiento isquémico |
title_full |
Mecanismos moleculares en el daño por isquemia-reperfusión hepática y en el preacondicionamiento isquémico |
title_fullStr |
Mecanismos moleculares en el daño por isquemia-reperfusión hepática y en el preacondicionamiento isquémico |
title_full_unstemmed |
Mecanismos moleculares en el daño por isquemia-reperfusión hepática y en el preacondicionamiento isquémico |
title_sort |
mecanismos moleculares en el daño por isquemia-reperfusión hepática y en el preacondicionamiento isquémico |
publisher |
Sociedad Médica de Santiago |
publishDate |
2005 |
url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872005000400012 |
work_keys_str_mv |
AT romanqueupamela mecanismosmoleculareseneldanoporisquemiareperfusionhepaticayenelpreacondicionamientoisquemico AT uribemmario mecanismosmoleculareseneldanoporisquemiareperfusionhepaticayenelpreacondicionamientoisquemico AT videlaluisa mecanismosmoleculareseneldanoporisquemiareperfusionhepaticayenelpreacondicionamientoisquemico |
_version_ |
1718436201430515712 |