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Transient receptor potential (TRP) channel modulators act on cation channels that sense heat, cold and irritants. The mammalian family has six subfamilies, including vanilloid (TRPV), ankyrin (TRPA), canonical (TRPC) and melastatin (TRPM) channels. TRP channels respond to temperature, touch, osmotic changes and plant-derived compounds, so they are often described as cellular sensors. Cloning of the capsaicin receptor TRPV1 in 1997 identified it as a heat-activated ion channel in pain-sensing neurons. AMG517 and SB-705498 are TRPV1 antagonists, while A 967079 blocks TRPA1 and optovin activates TRPA1 when exposed to light. Pyr10 inhibits TRPC3, and Pico145 inhibits channels formed by TRPC1, TRPC4 and TRPC5. The spider toxin peptide GsMTx4, an inhibitor of mechanosensitive channels, is also listed under Piezo Channel.
TRPV4/TRPA1-IN-1 is a selective inhibitor of the TRPV4 and TRPA1 channels, effectively blocking calcium influx mediated by these targets. This compound demonstrates significant efficacy in reducing pain behaviors in mouse models, particularly in trigeminal stimulation and acute pancreatitis contexts. TRPV4/TRPA1-IN-1 is valuable for research focused on pain modulation and inflammation associated with acute pancreatitis.
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Synonyms: Murraxocin
Murpanicin is a coumarin compound that functions as a selective inhibitor of the thermosensitive transient receptor potential vanilloid 2 (TRPV2) channel. Its potent anti-inflammatory properties make it a valuable tool for studying inflammation pathways, while its insecticidal effects allow for exploration in entomological research. This compound offers potential applications in the development of therapeutic agents targeting TRPV2-mediated processes.
TRPC5-IN-4 is a potent inhibitor of the TRPC5 channel, with an IC50 value of 14.07 nM for TRPC5 and 65 nM for TRPC4. This compound demonstrates minimal cytotoxicity, exhibiting no detrimental effects on liver and kidney cells. TRPC5-IN-4 is particularly valuable for investigating mechanisms underlying chronic kidney disease (CKD) and holds potential for supportive research in this area.
Resolvin D2 methyl ester is a methyl ester derivative of the docosahexaenoic acid metabolite Resolvin D2, functioning as a TRP channel inhibitor. It exhibits significant anti-inflammatory and anti-infective properties, effectively modulating leukocyte activity. The compound selectively inhibits neuronal TRPV1 (IC50=0.1 nM) and TRPA1 (IC50=2 nM), making it a valuable tool in sepsis research and related studies on inflammation.
M084 hydrochloride is a selective inhibitor of the TRPC4 and TRPC5 ion channels, exhibiting IC50 values of 10.3 μM and 8.2 μM, respectively. This compound demonstrates significant antidepressant and anxiolytic effects, making it a valuable tool for studying anxiety and mood disorders. Its ability to modulate calcium influx through TRPC channels positions M084 hydrochloride as an important reagent for research in neurobiology and pharmacology.
AMG-628 is a potent orally active inhibitor of the transient receptor potential vanilloid 1 (TRPV1). It effectively blocks capsaicin and acid-induced calcium influx in TRPV1-expressing CHO cells, with IC50 values of 4.9 nM and 3.1 nM, respectively. AMG-628 demonstrates significant analgesic effects in capsaicin-induced rat pain models and has a half-life of approximately 2.4 hours in rats, making it a valuable tool for studying pain mechanisms and potential therapeutic applications.
TRPA1-IN-3 is a selective inhibitor of the transient receptor potential ankyrin 1 (TRPA1) channel. This compound is primarily utilized in research focused on skin and respiratory tract conditions, where TRPA1 activation is implicated in nociceptive signaling and inflammatory responses. Its inhibitory properties make it valuable for studying pain mechanisms and potential therapeutic interventions in related disorders.
Ovalicin is a selective inhibitor of the transient receptor potential vanilloid 1 (TRPV1), exhibiting significant anti-inflammatory and anti-atopic dermatitis effects. It covalently binds to MetAP2, inhibiting its activity and demonstrating efficacy against pathogens such as Enterocytozoon bieneusi. Through the attenuation of LPS-induced calcium influx and modulation of inflammatory gene expression, Ovalicin effectively reduces macrophage and mast cell infiltration in the skin, alleviating allergic symptoms in mouse models. This compound is valuable for research into microsporidiosis and atopic dermatitis.
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