Publications by authors named "N V Govorin"

Objective: To study plasma adipokines (adiponectin, leptin, adipsin) in patients with the first episode of schizophrenia treated with haloperidol and risperidone.

Material And Methods: Two hundred and twelve patients with the first episode of paranoid schizophrenia (F20.09) were examined.

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: The Positive and Negative Syndrome Scale (PANSS) is widely used to assess psychopathology. The Russian version (PANSSRu) has not been validated, and normative data for the Russian-speaking population currently do not exist. The aims of this study were to 1) complete linguistic validation for the PANSSRu, 2) perform psychometric validation of the Russian translation, and 3) present norms for the Russian and Belarusian population.

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Background: Tardive dyskinesia is a disorder characterized by involuntary muscle movements that occur as a complication of long-term treatment with antipsychotic drugs. It has been suggested to be related to a malfunctioning of the indirect pathway of the motor part of the cortical-striatal-thalamic-cortical circuit, which may be caused by oxidative stress-induced neurotoxicity.

Methods: The purpose of our study was to investigate the possible association between phosphatidylinositol-4-phosphate-5-kinase type IIa (PIP5K2A) function and tardive dyskinesia in 491 Caucasian patients with schizophrenia from 3 different psychiatric institutes in West Siberia.

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Dyskinesias are involuntary muscle movements that occur spontaneously in Huntington's disease (HD) and after long-term treatments for Parkinson's disease (levodopa-induced dyskinesia; LID) or for schizophrenia (tardive dyskinesia, TD). Previous studies suggested that dyskinesias in these three conditions originate from different neuronal pathways that converge on overstimulation of the motor cortex. We hypothesized that the same variants of the N-methyl-D-aspartate receptor gene that were previously associated with the age of dyskinesia onset in HD were also associated with the vulnerability for TD and not LID.

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Effect of haloperidol and risperidone on positive, negative, neurocognitive disorders, biological parameters and neurodestruction-neuroreparation processes have been studied in 23 patients with the first episode of paranoid schizophrenia. Risperidone, along with high therapeutic effect towards positive, negative, neurocognitive disorders, is able to reduce brain neurodestruction markers as well as to improve protective-compensatory processes directed to the neuroplasticity restoration. There were correlations between biological parameters studied: the higher were levels of GFAP and antibodies to NR2 subunit of NMDA receptors, the higher were BDNF and NO values.

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