Nitric oxide and enzymes in liver transplantation: Evolutive profiles

Nitric oxide, a free radical and a potent vasodilator, also inhibits platelet adhesion and aggregation, reduces adhesion of leukocytes to the endothelium and suppresses proliferation of vascular smooth muscle cells. An inducible form of the nitric oxide synthase may generate large quantities of nitr...

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Autores principales: Zanaro, N.L., Cristina Romero, M., Imventarza, O., Sassetti, B.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_03252957_v36_n4_p575_Zanaro
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spelling todo:paper_03252957_v36_n4_p575_Zanaro2023-10-03T15:23:35Z Nitric oxide and enzymes in liver transplantation: Evolutive profiles Zanaro, N.L. Cristina Romero, M. Imventarza, O. Sassetti, B. Liver transplantation Nitric oxide Nitric oxide synthase alanine aminotransferase aspartate aminotransferase cytokine enzyme lipopolysaccharide nitric acid article cell proliferation enzyme blood level evolution human ischemia Kupffer cell liver transplantation muscle cell nonhuman protein expression sampling shock smooth muscle fiber thrombocyte vascular endothelium vasodilatation Nitric oxide, a free radical and a potent vasodilator, also inhibits platelet adhesion and aggregation, reduces adhesion of leukocytes to the endothelium and suppresses proliferation of vascular smooth muscle cells. An inducible form of the nitric oxide synthase may generate large quantities of nitric oxide, and may be induced by the action of cytokines and lipopolysaccharides. Nitric oxide can be released from the hepatic vascular endothelium, platelets and Kupffer cells as a response to ischemia-reperfusion injury and circulatory shock. Levels of nitric oxide and some enzymes obtain-ed in serum samples before liver transplantation and every 48 h till day 15 were analysed in 20 patients in order to evaluate the evolution and the possible correlation between these parameters. Following a characteristic profile, aspartate aminotransferase and alanine aminotransferase levels changed from high at the beginning, to almost normal at the end of the study while, in most cases, nitric oxide kept a high level, which could be due to ischemic episodes that contributed to the expression of inducible nitric oxide synthase, as well as its activation by cytokines. Fil:Sassetti, B. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_03252957_v36_n4_p575_Zanaro
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Liver transplantation
Nitric oxide
Nitric oxide synthase
alanine aminotransferase
aspartate aminotransferase
cytokine
enzyme
lipopolysaccharide
nitric acid
article
cell proliferation
enzyme blood level
evolution
human
ischemia
Kupffer cell
liver transplantation
muscle cell
nonhuman
protein expression
sampling
shock
smooth muscle fiber
thrombocyte
vascular endothelium
vasodilatation
spellingShingle Liver transplantation
Nitric oxide
Nitric oxide synthase
alanine aminotransferase
aspartate aminotransferase
cytokine
enzyme
lipopolysaccharide
nitric acid
article
cell proliferation
enzyme blood level
evolution
human
ischemia
Kupffer cell
liver transplantation
muscle cell
nonhuman
protein expression
sampling
shock
smooth muscle fiber
thrombocyte
vascular endothelium
vasodilatation
Zanaro, N.L.
Cristina Romero, M.
Imventarza, O.
Sassetti, B.
Nitric oxide and enzymes in liver transplantation: Evolutive profiles
topic_facet Liver transplantation
Nitric oxide
Nitric oxide synthase
alanine aminotransferase
aspartate aminotransferase
cytokine
enzyme
lipopolysaccharide
nitric acid
article
cell proliferation
enzyme blood level
evolution
human
ischemia
Kupffer cell
liver transplantation
muscle cell
nonhuman
protein expression
sampling
shock
smooth muscle fiber
thrombocyte
vascular endothelium
vasodilatation
description Nitric oxide, a free radical and a potent vasodilator, also inhibits platelet adhesion and aggregation, reduces adhesion of leukocytes to the endothelium and suppresses proliferation of vascular smooth muscle cells. An inducible form of the nitric oxide synthase may generate large quantities of nitric oxide, and may be induced by the action of cytokines and lipopolysaccharides. Nitric oxide can be released from the hepatic vascular endothelium, platelets and Kupffer cells as a response to ischemia-reperfusion injury and circulatory shock. Levels of nitric oxide and some enzymes obtain-ed in serum samples before liver transplantation and every 48 h till day 15 were analysed in 20 patients in order to evaluate the evolution and the possible correlation between these parameters. Following a characteristic profile, aspartate aminotransferase and alanine aminotransferase levels changed from high at the beginning, to almost normal at the end of the study while, in most cases, nitric oxide kept a high level, which could be due to ischemic episodes that contributed to the expression of inducible nitric oxide synthase, as well as its activation by cytokines.
format JOUR
author Zanaro, N.L.
Cristina Romero, M.
Imventarza, O.
Sassetti, B.
author_facet Zanaro, N.L.
Cristina Romero, M.
Imventarza, O.
Sassetti, B.
author_sort Zanaro, N.L.
title Nitric oxide and enzymes in liver transplantation: Evolutive profiles
title_short Nitric oxide and enzymes in liver transplantation: Evolutive profiles
title_full Nitric oxide and enzymes in liver transplantation: Evolutive profiles
title_fullStr Nitric oxide and enzymes in liver transplantation: Evolutive profiles
title_full_unstemmed Nitric oxide and enzymes in liver transplantation: Evolutive profiles
title_sort nitric oxide and enzymes in liver transplantation: evolutive profiles
url http://hdl.handle.net/20.500.12110/paper_03252957_v36_n4_p575_Zanaro
work_keys_str_mv AT zanaronl nitricoxideandenzymesinlivertransplantationevolutiveprofiles
AT cristinaromerom nitricoxideandenzymesinlivertransplantationevolutiveprofiles
AT imventarzao nitricoxideandenzymesinlivertransplantationevolutiveprofiles
AT sassettib nitricoxideandenzymesinlivertransplantationevolutiveprofiles
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