Tropisetron

Description

Tropisetron
CAS Number	89565-68-4
Molar Mass	284.35 g/mol
Chemical Formula	C17H20N2O2
IUPAC Name	(1R,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl 1H-indole-3-carboxylate

Introduction

Tropisetron is an indole alkaloid and small molecule nootropic compound supplied strictly for laboratory and in vitro research use. It is studied by researchers investigating cholinergic receptor signaling, serotonergic modulation, and cortical mitochondrial function. Tropisetron is not intended for human consumption, veterinary use, or any application outside of a controlled research setting.

Key Characteristics

Tropisetron is manufactured to a high standard of chemical purity to support reproducible research outcomes. Each batch is formulated with attention to structural precision and lot-to-lot consistency, allowing researchers to rely on stable results across independent experiments.

Research Applications

Tropisetron is used in neuropharmacology and behavioral neuroscience research to investigate alpha7 nicotinic acetylcholine receptor signaling, serotonin 5-HT3 receptor antagonism, and cortical oxidative stress pathways. It serves as a mechanistic tool for probing how cholinergic and serotonergic receptor activity shapes attention, memory, and mood-related processes in model systems.

Research Benefits

Tropisetron and Cognitive Sensory Gating

Research indicates that tropisetron acts as a partial agonist at alpha7 nicotinic acetylcholine receptors, enhancing cholinergic signaling implicated in auditory sensory gating and sustained attention. Studies have investigated this mechanism in a randomized clinical trial among research participants, where administration was associated with improved P50 auditory gating and sustained visual attention task performance compared to placebo.

Tropisetron and Spatial Memory

Studies propose that tropisetron’s combined action at 5-HT3 receptors and alpha7 nicotinic receptors supports hippocampal CA1 neuron survival and reduces circulating interleukin-6 levels in animal models of reduced cerebral blood flow. Researchers use this model to explore how these mechanisms relate to the restoration of spatial working and reference memory in preclinical hypoperfusion research.

Tropisetron and Cortical Mitochondrial Function

Research suggests tropisetron mitigates inducible nitric oxide synthase activity in the cerebral cortex, reducing nitrosative stress and preserving mitochondrial function under chronic psychosocial stress conditions in animal models. This offers researchers a framework for investigating the link between mitochondrial dysfunction and stress-induced behavioral changes at the cortical level.

Summary

Tropisetron is an indole alkaloid small molecule supplied exclusively for laboratory research. It supports investigation into three distinct areas: cholinergic receptor-mediated sensory gating, hippocampal-dependent spatial memory, and cortical mitochondrial function under stress. As with all research compounds in this catalog, tropisetron is intended strictly for research use and not for human or veterinary application.

Disclaimer

This content is presented exclusively for educational purposes and should not be construed as medical advice. THE MATERIALS REFERENCED HEREIN ARE EXCLUSIVELY INTENDED FOR LABORATORY AND RESEARCH USE.

Any clinical research initiatives must be conducted under the guidance of the relevant Institutional Review Board (IRB). Similarly, preclinical research involving animals must comply with the directives of the Institutional Animal Care and Use Committee (IACUC), adhering to the standards delineated by the Animal Welfare Act (AWA).

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IMPORTANT NOTICE: All products showcased on our platform are EXCLUSIVELY INTENDED FOR LABORATORY AND RESEARCH APPLICATIONS. They are expressly not intended for veterinary or human utilization.

References

1. Shiina A, Shirayama Y, Niitsu T, et al. A randomised, double-blind, placebo-controlled trial of tropisetron in patients with schizophrenia. Ann Gen Psychiatry. 2010 Jun 24;9:27. doi: 10.1186/1744-859X-9-27. PMID: 20573264. Read More
2. Divanbeigi A, Nasehi M, Vaseghi S, Amiri S, Zarrindast MR. Tropisetron But Not Granisetron Ameliorates Spatial Memory Impairment Induced by Chronic Cerebral Hypoperfusion. Neurochem Res. 2020 Nov;45(11):2631-2640. doi: 10.1007/s11064-020-03110-2. PMID: 32797381. Read More
3. Haj-Mirzaian A, Amiri S, Amini-Khoei H, et al. Attenuation of oxidative and nitrosative stress in cortical area associates with antidepressant-like effects of tropisetron in male mice following social isolation stress. Brain Res Bull. 2016 Apr 26;124:150-63. doi: 10.1016/j.brainresbull.2016.04.018. PMID: 27129671. Read More