ArticleMolecules (Basel, Switzerland)2018
Effect of Capsaicin and Other Thermo-TRP Agonists on Thermoregulatory Processes in the American Cockroach.
Article in Molecules (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- TRP channel activation and cholinergic signaling in insect thermoregulation: evidence from the American cockroach.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2026Article
- Effect of capsaicin on voltage-gated sodium channels withJournal of pesticide science · 2025Article
- Article
- Gustation in insects: taste qualities and types of evidence used to show taste function of specific body parts.Journal of insect science (Online) · 2023Article
- Responses to transient receptor potential (TRP) channel agonists inBiology open · 2020Article
- Article
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Authors and funding
5 authors.
Funding
Abstract
Capsaicin is known to activate heat receptor TRPV1 and induce changes in thermoregulatory processes of mammals. However, the mechanism by which capsaicin induces thermoregulatory responses in invertebrates is unknown. Insect thermoreceptors belong to the TRP receptors family, and are known to be activated not only by temperature, but also by other stimuli. In the following study, we evaluated the effects of different ligands that have been shown to activate (allyl isothiocyanate) or inhibit (camphor) heat receptors, as well as, activate (camphor) or inhibit (menthol and thymol) cold receptors in insects. Moreover, we decided to determine the effect of agonist (capsaicin) and antagonist (capsazepine) of mammalian heat receptor on the American cockroach's thermoregulatory processes. We observed that capsaicin induced the decrease of the head temperature of immobilized cockroaches. Moreover, the examined ligands induced preference for colder environments, when insects were allowed to choose the ambient temperature. Camphor exposure resulted in a preference for warm environments, but the changes in body temperature were not observed. The results suggest that capsaicin acts on the heat receptor in cockroaches and that TRP receptors are involved in cockroaches' thermosensation.
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