Abstract:
:Oxidative damage to lipids in plasma, blood platelets and neurons in patients with schizophrenia was described. The aim of our present study was to evaluate oxidative/nitrative modifications of blood platelets proteins by measurement the level of biomarkers of oxidative stress such as carbonyl groups, thiol groups and 3-nitrotyrosine in proteins in patients with schizophrenia and compare with a control group. Levels of carbonyl groups and 3-nitrotyrosine residues in platelet proteins were measured by ELISA and competition ELISA, respectively. The method with 5,5'-dithio-bis(2-nitro-benzoic acid) has been used to analyse thiol groups in platelet proteins. We demonstrated for the first time in platelet proteins from patients with schizophrenia a statistically significant increase of the level of biomarkers of oxidative/nitrative stress such as carbonyl groups or 3-nitrotyrosine; in schizophrenic patients the amount of thiol groups in platelet proteins was lower than in platelets from healthy subjects. Our results strongly indicate that in patients with schizophrenia reactive oxygen species and reactive nitrogen species induce not only peroxidation of lipids, but also may stimulate oxidative/nitrative modifications of platelet proteins. The consequence of these modifications may be the alteration of platelet protein structure and function.
journal_name
Plateletsjournal_title
Plateletsauthors
Dietrich-Muszalska A,Olas Bdoi
10.1080/09537100802641499subject
Has Abstractpub_date
2009-03-01 00:00:00pages
90-6issue
2eissn
0953-7104issn
1369-1635pii
908861244journal_volume
20pub_type
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