2017
Suppression of Methamphetamine Self-Administration by Ketamine Pre-treatment Is Absent in the Methylazoxymethanol (MAM) Rat Model of Schizophrenia
RUDÁ, Jana, Zuzana BABINSKÁ, Tibor ŠTARK a Vincenzo MICALEZákladní údaje
Originální název
Suppression of Methamphetamine Self-Administration by Ketamine Pre-treatment Is Absent in the Methylazoxymethanol (MAM) Rat Model of Schizophrenia
Autoři
RUDÁ, Jana (203 Česká republika, garant, domácí), Zuzana BABINSKÁ (703 Slovensko, domácí), Tibor ŠTARK (703 Slovensko, domácí) a Vincenzo MICALE (380 Itálie, domácí)
Vydání
Neurotoxicity research, New York, Springer, 2017, 1029-8428
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
30103 Neurosciences
Stát vydavatele
Spojené státy
Utajení
není předmětem státního či obchodního tajemství
Impakt faktor
Impact factor: 3.186
Kód RIV
RIV/00216224:14110/17:00097261
Organizační jednotka
Lékařská fakulta
UT WoS
000403591600013
Klíčová slova anglicky
Ketamine; MAM model; Methamphetamine; Self-administration; Sprague-Dawley rats
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 14. 3. 2018 15:07, Mgr. Pavla Foltynová, Ph.D.
Anotace
V originále
Ketamine may prove to be a potential candidate in treating the widespread drug addiction/substance abuse epidemic among patients with schizophrenia. Clinical studies have shown ketamine to reduce cocaine and heroin cravings. However, the use of ketamine remains controversial as it may exacerbate the symptoms of schizophrenia. Therefore, the aim of this study is to characterize the effects of ketamine on drug addiction in schizophrenia using the methylazoxymethanol (MAM) acetate rat model on operant IV methamphetamine (METH) self-administration. MAM was administered intraperitoneally (22 mg/kg) on gestational day 17. Locomotor activity test and later IV self-administration (IVSA) were then performed in the male offspring followed by a period of forced abstinence and relapse of METH taking. After reaching stable intakes in the relapse phase, ketamine (5 mg/kg) was administered intraperitoneally 30 min prior to the self-administration session. As documented previously, the MAM rats showed a lack of habituation in the locomotor activity test but developed stable maintenance of METH self-administration with no difference in operant behaviour to control animals. Results show that ketamine treatment significantly reduced the METH intake in the control animals but not in MAM animals. Ketamine effect on METH self-administration may be explained by increased glutamatergic signalling in the prefrontal cortex caused by the N-methyl-D-aspartate antagonism and disinhibition of GABA interneurons which was shown to be impaired in the MAM rats. This mechanism may at least partly explain the clinically proven anti-craving potential of ketamine and allow development of more specific anti-craving medications with fewer risks.
Návaznosti
LQ1601, projekt VaV |
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MUNI/A/1063/2016, interní kód MU |
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ROZV/24/LF/2016, interní kód MU |
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3SGA5789, interní kód MU |
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