Abstract:
:The objective of this study was to determine the role of cerebral nitric oxide and its powerful oxidant peroxynitrite following mild birth asphyxia. The cerebrospinal fluid levels of nitric oxide and 3-nitrotyrosine as a marker for peroxynitrite are measured in neonates with mild hypoxic-ischemic encephalopathy. Based on the classification of Sarnat and Sarnat, term neonates with mild hypoxic-ischemic encephalopathy and neurologically normal neonates suspected of sepsis were taken as the control group. Nitric oxide measurements were done by chemiluminescence, and nitrotyrosine measurements were made by high-performance liquid chromatography. The Mann Whitney U-test was used, and a Pvalue < .05 was considered significant. Eleven patients with grade 1 hypoxic-ischemic encephalopathy and nine controls were included. The gestational age and birthweights were similar in both groups. Neither of the cerebrospinal fluid levels of nitric oxide (8.60 +/- 0.49 micromol/L) and nitrotyrosine (0.45 +/- 0.33 micromol/L) of the neonates with hypoxic-ischemic encephalopathy showed significant differences from that of the means of nitric oxide (8.66 +/- 1.07 micromol/L) and nitrotyrosine levels (0.25 +/- 0.13 micromol/L) of the controls. These data suggest that the oxidative stress is not overexpressed to lead nitric oxide and peroxynitrite to play a pathologic role in the early phase of mild hypoxic-ischemic encephalopathy of the newborn.
journal_name
J Child Neuroljournal_title
Journal of child neurologyauthors
Gücüyener K,Ergenekon E,Demiryürek T,Erbaş D,Oztürk G,Koç E,Atalay Ydoi
10.1177/08830738020170111101subject
Has Abstractpub_date
2002-11-01 00:00:00pages
815-8issue
11eissn
0883-0738issn
1708-8283journal_volume
17pub_type
杂志文章abstract::In this report, we have summarized our 9-year experience of over 100 proven cases of lysosomal storage disease using electron microscopic evaluation of skin biopsies as a screening tool. The skin biopsy was very specific in establishing the diagnosis in only two disorders, namely neuronal ceroid lipofuscinosis and muc...
journal_title:Journal of child neurology
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