Distinct sex-dependent behavioral responses induced by two positive allosteric modulators of alpha 5 subunit-containing GABA A receptors
Dysregulation of GABAergic neurotransmission has long been implicated in several psychiatric disorders, including schizophrenia, depression, and anxiety disorders. Alpha 5 subunit-containing GABA receptors (α5-GABA R), which are expressed mainly by pyramidal neurons in the hippocampus, have been pro...
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Published in | Behavioural brain research Vol. 428; p. 113832 |
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Main Authors | , , , , , , , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
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25.06.2022
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Abstract | Dysregulation of GABAergic neurotransmission has long been implicated in several psychiatric disorders, including schizophrenia, depression, and anxiety disorders. Alpha 5 subunit-containing GABA
receptors (α5-GABA
R), which are expressed mainly by pyramidal neurons in the hippocampus, have been proposed as a potential target to treat these psychiatric disorders. Here, we evaluated the effects produced by GL-II-73 and SH-053-2'F-R-CH3 (1, 5, and 10 mg/kg), two positive allosteric modulators of α5-GABA
R in behavioral tests sensitive to drugs with anxiolytic, antidepressant, and antipsychotic properties in male and female C57BL/6 mice. In both males and females, GL-II-73 produced an anxiolytic-like effect in the elevated plus-maze (EPM) and novelty-suppressed feeding and a rapid and sustained antidepressant-like effect in the forced swim test. GL-II-73 also induced antipsychotic-like effects in males indicated by attenuating MK-801-induced hyperlocomotion and prepulse inhibition (PPI) disruption. However, GL-II-73 per se increased locomotor activity and impaired fear memory extinction in males and females and PPI in males. On the other hand, SH-053-2'F-R-CH3 induced anxiolytic-like effects in the EPM and facilitated fear memory extinction in males. Contrary to GL-II-73, SH-053-2'F-R-CH3 attenuated MK-801-induced hyperlocomotion and PPI disruption in females but not in males. Neither of these drugs induced rewarding effects or impaired motor coordination. These findings suggest that GL-II-73 and SH-053-2'F-R-CH3 cause distinct sex-dependent behavioral responses and support continued preclinical research on the potential of positive allosteric modulators of α5-GABA
R for the treatment of psychiatric disorders. |
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AbstractList | Dysregulation of GABAergic neurotransmission has long been implicated in several psychiatric disorders, including schizophrenia, depression, and anxiety disorders. Alpha 5 subunit-containing GABA
receptors (α5-GABA
R), which are expressed mainly by pyramidal neurons in the hippocampus, have been proposed as a potential target to treat these psychiatric disorders. Here, we evaluated the effects produced by GL-II-73 and SH-053-2'F-R-CH3 (1, 5, and 10 mg/kg), two positive allosteric modulators of α5-GABA
R in behavioral tests sensitive to drugs with anxiolytic, antidepressant, and antipsychotic properties in male and female C57BL/6 mice. In both males and females, GL-II-73 produced an anxiolytic-like effect in the elevated plus-maze (EPM) and novelty-suppressed feeding and a rapid and sustained antidepressant-like effect in the forced swim test. GL-II-73 also induced antipsychotic-like effects in males indicated by attenuating MK-801-induced hyperlocomotion and prepulse inhibition (PPI) disruption. However, GL-II-73 per se increased locomotor activity and impaired fear memory extinction in males and females and PPI in males. On the other hand, SH-053-2'F-R-CH3 induced anxiolytic-like effects in the EPM and facilitated fear memory extinction in males. Contrary to GL-II-73, SH-053-2'F-R-CH3 attenuated MK-801-induced hyperlocomotion and PPI disruption in females but not in males. Neither of these drugs induced rewarding effects or impaired motor coordination. These findings suggest that GL-II-73 and SH-053-2'F-R-CH3 cause distinct sex-dependent behavioral responses and support continued preclinical research on the potential of positive allosteric modulators of α5-GABA
R for the treatment of psychiatric disorders. |
Author | Silva, Nicole R Santos-Silva, Thamyris Mian, Md Yeunus Souza, Adriana Jesus Cook, James M Li, Guanguan Del-Bel, Elaine A Guimarães, Francisco S Braga, Matheus Silva Gomes, Felipe V Domingos, Luana B Cortez, Isadora L Sharmin, Dishary Pedrazzi, João Francisco C Resstel, Leonardo B M |
Author_xml | – sequence: 1 givenname: Adriana Jesus surname: Souza fullname: Souza, Adriana Jesus organization: Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Brazil – sequence: 2 givenname: Isadora L surname: Cortez fullname: Cortez, Isadora L organization: Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Brazil – sequence: 3 givenname: Nicole R surname: Silva fullname: Silva, Nicole R organization: Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Brazil – sequence: 4 givenname: João Francisco C surname: Pedrazzi fullname: Pedrazzi, João Francisco C organization: Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School, University of São Paulo, Brazil – sequence: 5 givenname: Luana B surname: Domingos fullname: Domingos, Luana B organization: Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Brazil – sequence: 6 givenname: Matheus Silva surname: Braga fullname: Braga, Matheus Silva organization: Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Brazil – sequence: 7 givenname: Thamyris surname: Santos-Silva fullname: Santos-Silva, Thamyris organization: Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Brazil – sequence: 8 givenname: Elaine A surname: Del-Bel fullname: Del-Bel, Elaine A organization: Department of Physiology, Ribeirão Preto Dentistry School, University of São Paulo, Brazil – sequence: 9 givenname: Leonardo B M surname: Resstel fullname: Resstel, Leonardo B M organization: Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Brazil – sequence: 10 givenname: Guanguan surname: Li fullname: Li, Guanguan organization: Department of Chemistry and Biochemistry, University of Wisconsin Milwaukee, USA – sequence: 11 givenname: Md Yeunus surname: Mian fullname: Mian, Md Yeunus organization: Department of Chemistry and Biochemistry, University of Wisconsin Milwaukee, USA – sequence: 12 givenname: Dishary surname: Sharmin fullname: Sharmin, Dishary organization: Department of Chemistry and Biochemistry, University of Wisconsin Milwaukee, USA – sequence: 13 givenname: Francisco S surname: Guimarães fullname: Guimarães, Francisco S organization: Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Brazil – sequence: 14 givenname: James M surname: Cook fullname: Cook, James M organization: Department of Chemistry and Biochemistry, University of Wisconsin Milwaukee, USA – sequence: 15 givenname: Felipe V surname: Gomes fullname: Gomes, Felipe V email: gomesfv@usp.br organization: Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Brazil. Electronic address: gomesfv@usp.br |
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Keywords | GABA(A) receptors SH-053–2′F-R-CH3 Schizophrenia Depression Anxiety Excitatory-inhibitory balance GL-II-73 |
Language | English |
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SubjectTerms | Animals Anti-Anxiety Agents - pharmacology Antipsychotic Agents Benzodiazepines - pharmacology Dizocilpine Maleate Female gamma-Aminobutyric Acid Humans Male Mice Mice, Inbred C57BL Receptors, GABA-A |
Title | Distinct sex-dependent behavioral responses induced by two positive allosteric modulators of alpha 5 subunit-containing GABA A receptors |
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