Comparison of behavioural and molecular effects of two different schizophrenia models induced by subchronic MK-801 administration in rats

Gökhan Ünal; Feyza Arıcıoğlu

Comparison of behavioural and molecular effects of two different schizophrenia models induced by subchronic MK-801 administration in rats

Abstract

Schizophrenia is a severe psychiatric disorder with about 1% prevalance. NMDA receptor antagonists such as Phencyclidine (PCP) and MK-801 are commonly used for modeling schizophrenia in rodents. In literature, despite of the concensus about subchronic PCP administration (commonly 7 days, bi-daily administration followed by a 1 week washout period), there are different subchronic administration regimens for MK-801 beside 7 days, bidaily (MK-801-7), such as 14 days (MK-801-14) daily or 28 days daily injections. In this study, we aimed to compare two prevalant MK-801 models (MK-801-7 and MK-801-14, 0.2 mg/kg) in both behavioural and molecular changes. Wistar Hannover rats grouped as control (n=10), MK-801-14 (n=8) and MK-801-7 (n=8). Prepulse inhibition of acustic startle response (PPI), novel object recognition test (NORT), social interaction (SI) and Morris's water maze (MWM) tests were used for behavioural analyzes while real time polimerase chain reaction (Rt-PCR) was conducted for molecular analyzes of glutamic acid decarboxilase 67 (GAD67) and parvalbumin. Our results showed decreased PPI in MK-801-14 and MK801-7 groups. Moreover, in both models platform finding latencies were increased and swimming time in platform area was decreased in MWM. MK-801-14 and MK-801-7 reduced following and raised avoiding behaviours in SI. In Rt-PCR, GAD67 mRNA levels were decreased by MK-801-14 and MK-801-7 administrations. However, only MK-801-7 decreased discrimination index in NORT and parvalbumin mRNA levels. In this study, it has been showed that although MK-801-14 and MK-801-7 administrations revealed smiliar schizophrenia like symptoms in rats, MK-801-7 has partial superiories in certain aspects.

Keywords

References

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Details

Primary Language

English

Subjects

Basic Pharmacology

Journal Section

Research Article

Authors

Gökhan Ünal
0000-0001-9027-6606
Türkiye

Feyza Arıcıoğlu ^*
0000-0003-4669-9382
Türkiye

Publication Date

June 27, 2025

Submission Date

January 17, 2018

Acceptance Date

February 25, 2018

Published in Issue

Year 2018 Volume: 22 Number: 2

IZ

https://izlik.org/JA58WZ56LP

Cite

RIS / Bibtex

APA

Ünal, G., & Arıcıoğlu, F. (2025). Comparison of behavioural and molecular effects of two different schizophrenia models induced by subchronic MK-801 administration in rats. Journal of Research in Pharmacy, 22(2), 199-208. https://izlik.org/JA58WZ56LP

AMA

1.Ünal G, Arıcıoğlu F. Comparison of behavioural and molecular effects of two different schizophrenia models induced by subchronic MK-801 administration in rats. J. Res. Pharm. 2025;22(2):199-208. https://izlik.org/JA58WZ56LP

Chicago

Ünal, Gökhan, and Feyza Arıcıoğlu. 2025. “Comparison of Behavioural and Molecular Effects of Two Different Schizophrenia Models Induced by Subchronic MK-801 Administration in Rats”. Journal of Research in Pharmacy 22 (2): 199-208. https://izlik.org/JA58WZ56LP.

EndNote

Ünal G, Arıcıoğlu F (June 1, 2025) Comparison of behavioural and molecular effects of two different schizophrenia models induced by subchronic MK-801 administration in rats. Journal of Research in Pharmacy 22 2 199–208.

IEEE

[1]G. Ünal and F. Arıcıoğlu, “Comparison of behavioural and molecular effects of two different schizophrenia models induced by subchronic MK-801 administration in rats”, J. Res. Pharm., vol. 22, no. 2, pp. 199–208, June 2025, [Online]. Available: https://izlik.org/JA58WZ56LP

ISNAD

Ünal, Gökhan - Arıcıoğlu, Feyza. “Comparison of Behavioural and Molecular Effects of Two Different Schizophrenia Models Induced by Subchronic MK-801 Administration in Rats”. Journal of Research in Pharmacy 22/2 (June 1, 2025): 199-208. https://izlik.org/JA58WZ56LP.

JAMA

1.Ünal G, Arıcıoğlu F. Comparison of behavioural and molecular effects of two different schizophrenia models induced by subchronic MK-801 administration in rats. J. Res. Pharm. 2025;22:199–208.

MLA

Ünal, Gökhan, and Feyza Arıcıoğlu. “Comparison of Behavioural and Molecular Effects of Two Different Schizophrenia Models Induced by Subchronic MK-801 Administration in Rats”. Journal of Research in Pharmacy, vol. 22, no. 2, June 2025, pp. 199-08, https://izlik.org/JA58WZ56LP.

Vancouver

1.Gökhan Ünal, Feyza Arıcıoğlu. Comparison of behavioural and molecular effects of two different schizophrenia models induced by subchronic MK-801 administration in rats. J. Res. Pharm. [Internet]. 2025 Jun. 1;22(2):199-208. Available from: https://izlik.org/JA58WZ56LP