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  • 1
    Electronic Resource
    Electronic Resource
    Ascorbic acid prevents ischemia-reperfusion injury in the rat small intestine (1997)
    Springer
    Transplant international 10 (1997), S. 89-95 
    Details
    ISSN: 1432-2277
    Keywords: Key words Small intestine ; ascorbic acid ; reperfusion ; Ascorbic acid ; small intestine ; reperfusion ; Reperfusion ; ascorbic acid ; small intestine ; Ischemia ; ascorbic acid ; reperfusion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ischemia-reperfusion injury by free radicals and lipid peroxides is observed in various organs. Ascorbic acid (AsA) or glutathione (GSH) in various doses (AsA:2, 0.5, 0.1 mmol/kg, GSH:2 mmol/kg) was intraperitoneally administered to male Wistar rats. The entire small intestines were resected just before ischemia, after ischemia, and after 20 min of reperfusion (n = 7–10 at each time point). At each time point, the specimens were subjected to assays of lipid peroxides, GSH, and glutaminase activity of the tissues; they were also examined histologically. In the AsA group, the production of lipid peroxides after reperfusion was significantly suppressed in a dose-dependent manner, and the ratio of oxidized GSH to total GSH was also significantly low. Tissue glutaminase activity decreased to a lesser extent, and the degree of injury was apparently less marked in the AsA group. This study indicates that AsA acts as an antioxidant against peroxidative tissue injury, possibly by scavenging radicals, preserving reduced GSH, and reducing the peroxidative reaction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001470050018
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  • 2
    Electronic Resource
    Electronic Resource
    Transplantation of kidneys donated from the USA: Long-term results and viability testing using31P-MRS (1996)
    Springer
    Transplant international 10 (1996), S. 7-12 
    Details
    ISSN: 1432-2277
    Keywords: Organ sharing, Japan, USA ; Japan, USA, organ sharing ; 31P Magnetic resonance spectroscopy, viability ; Viability,31P Magnetic resonance spectroscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Since June 1983, 27 kidneys have been shipped to the Kidney Center at the Tokyo Women's Medical College (TWMC) from the United States. These organs were divided into two groups, based on the years of their donation; 13 kidneys were assigned to group 1 and 14 to group 2. The differences between the two groups were as follows: donor age 19.8 ± 10.0 years vs 51.9 ± 14.5 years in group 2 (P 〈 0.0001); total ischemic time 42 h 12 min in group 1 vs 65 h 42 min in group 2 (P = 0.0002); and Euro-Collins preservation solution in group 1 vs University of Wisconsin (UW) solution in group 2. One hundred percent of the kidneys in group 1 and 85.7 % of those in group 2 recovered their function. The lowest serum creatinine levels averaged 96 ± 38.4 μmol/l and 185.8 ± 101.0 μmol/l, respectively (P = 0.01). The viability of 9 out of 14 grafts in group 2 were tested using31P magnetic resonance spectroscopy (31P-MRS). The results showed that all of the grafts having a monophosphate/inorganic phosphate (MP/Pi) ratio higher than 0.3 recovered their function and those lower than 0.2 did not. The problems associated with international organ sharing are discussed, along with the difficulties encountered at TWMC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02044335
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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