EFFECTS OF 4-THIAZOLIDINONE DERIVATIVES LES-2658 AND LES-1205 ON SLEEP - WAKEFULNESS CYCLE IN KINDLED RATS

Solomija Myronenko, Oleh Pinyazhko, Roman Lesyk

Abstract


The research is dedicated to in-depth study of neurotrophic and antiepileptic properties of original potential anticonvulsant agents from 4-thiazolidinones – LES-2658 (5-(3-nitro-benzylidene)-2-(thiazol-2-ylimino)-thiazolidin-4-one) and LES-1205 ([2,4-dioxo-5-(thiazol-2-ylcarbamoylmethyl)-thiazolidin-3-yl]-acetic acid ethyl ester), synthesized at the Department of Pharmaceutical, Organic and Bioorganic Chemistry of Danylo Halytsky Lviv National Medical University, Ukraine. Studying of sleep - wakefulness cycle characteristics in animals with chronic epileptic syndrome in conditions of 4-thiazolidinones derivatives LES-2658 and LES-1205 use was performed. The kindling syndrome was induced in Wistar rats via daily pentylenetetrazol (PTZ) (30 mg/kg, i.p.) administrations during three weeks and sleep - wakefulness cycle was studied under conditions of LES-2658 and LES-1205 administrations at doses 25.0and 100.0 mg/kg i.p.. Total wakefulness, non - rapid eye movement sleep, rapid eye movement sleep, falling asleep latency, REM - onset latency and also number of REM sleep episodes have been determined by behavioral characteristics of experimental animals. It was established that 4-thiazolidinone derivatives Les-1205 and Les-2658 reduce REM sleep fragmentation and increase its duration in PTZ-kindled rats. Les-1205 compound at dose 100.0 mg/kg show a clear correcting influence on kindling - induced sleep disturbances.

Keywords


pentylenetetrazol kindling; sleep – wakefulness cycle; seizure syndrome; 4-thiazolidinones; diazepam

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DOI: http://dx.doi.org/10.21303/2504-5695.2017.00289

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Copyright (c) 2017 Solomija Myronenko, Oleh Pinyazhko, Roman Lesyk

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ISSN 2504-5695 (Online), ISSN 2504-5687 (Print)