Compound PZ-1262, a 4-isoquinoline-sulfonamide analog of Brexpiprazole, produces potential antidepressant, anxiolytic and procognitive effects in rodent models.

IF 3.6 3区 医学 Q2 PHARMACOLOGY & PHARMACY Pharmacological Reports Pub Date : 2025-03-11 DOI:10.1007/s43440-025-00713-w
Anna Partyka, Joanna Gołębiowska, Krzysztof Marciniec, Vittorio Canale, Wojciech Trybała, Grzegorza Satała, Katarzyna Grychowska, Magdalena Jastrzębska-Więsek, Andrzej J Bojarski, Agnieszka Nikiforuk, Władysława A Daniel, Anna Wesołowska, Paweł Zajdel, Piotr Popik
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引用次数: 0

Abstract

Background: Novel antipsychotics are characterized by multitarget profile of action, affecting among others, dopamine and serotonin receptors. In a series of experiments, we designed, synthesized and examined two new isoquinoline-sulfonamide analogs of the modern multitarget antipsychotics aripiprazole and brexpiprazole, compounds PZ-1262 and PZ-1264. We hypothesized that the 4-isoquinolinesulfonamide moiety, derived from the structure of 5-HT6 receptor antagonists, would provide compounds with enhanced activity at 5-HT6 receptors, along with partial agonistic activity at 5-HT1A and D2 receptors.

Methods: The receptor binding profile, functional activity, and metabolic stability of PZ-1262 and PZ-1264 were evaluated through in vitro assays. Potential antipsychotic, antidepressant, anxiolytic, and pro-cognitive effects were assessed using in vivo behavioral tests in rodents.

Results: In vitro, PZ compounds demonstrated partial agonistic activity at 5-HT1A receptor, antagonistic activity at D2 and D3 as well as 5-HT2A, 5-HT6 and 5-HT7 receptors and metabolic stability. In vivo, both compounds enhanced phencyclidine-induced hyperactivity in rats and decreased immobility time in the forced swim test in mice, without influencing spontaneous locomotor activity. In the novel object recognition test in rats, they demonstrated pro-cognitive effects in phencyclidine disturbed conditions. PZ-1262 potentiated D-amphetamine-induced hyperactivity, exhibited anxiolytic-like effects in the four plates test in mice, and demonstrated significant brain penetration.

Conclusions: The complex pharmacodynamic profile translated into the useful psychotropic effects. While the compounds potentiated D-amphetamine- and phencyclidine-induced hyperactivity, this action could be regarded as a desired activating effect rather than evidence against antipsychotic-like efficacy. Present findings point to PZ-1262 as a more promising lead compound for further research.

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来源期刊
Pharmacological Reports
Pharmacological Reports 医学-药学
CiteScore
8.40
自引率
0.00%
发文量
91
审稿时长
6 months
期刊介绍: Pharmacological Reports publishes articles concerning all aspects of pharmacology, dealing with the action of drugs at a cellular and molecular level, and papers on the relationship between molecular structure and biological activity as well as reports on compounds with well-defined chemical structures. Pharmacological Reports is an open forum to disseminate recent developments in: pharmacology, behavioural brain research, evidence-based complementary biochemical pharmacology, medicinal chemistry and biochemistry, drug discovery, neuro-psychopharmacology and biological psychiatry, neuroscience and neuropharmacology, cellular and molecular neuroscience, molecular biology, cell biology, toxicology. Studies of plant extracts are not suitable for Pharmacological Reports.
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