TRP Channel Inhibitor

T100-Mut is a cell-permeable peptide whose N-terminus is conjugated with a myristoylated group to enable T100-Mut to penetrate and localize to the inner side of the plasma membrane, thus mimicking the topology of Tmem100-3Q. T100-Mut can alleviate TRPA1-mediated pain.

TRPM2-IN-1 (compound D10) is a potent TRPM2 inhibitor. TRPM2-IN-1 exhibits antistroke activity and significant neuroprotective effect. TRPM2-IN-1 can be used in the study of ischemic stroke.

HZS60 is a NMDAR/TRPM4 inhibitor with brain permeability that can improve cerebral ischemia. HZS60 has significant neuroprotective effects on primary neuronal ischemic damage caused by NMDA and oxygen-glucose deprivation/reoxygenation. HZS60 exhibits good pharmacokinetic characteristics and can inhibit cerebral ischemia-reperfusion injury. HZS60 can be used as a potential inhibitor of ischemic stroke.

Oxoglaucine (O-Methylatheroline) is a natural product with multiple activities including autophagy activation, anti-inflammation, antibacterial activity, and immunoregulation. Oxoglaucine inhibits the TRPV5/calmodulin/CAMK-II pathway, suppresses TGFβ-induced Smad2 phosphorylation by upregulating Smad7, blocks Ca²⁺ influx, activates autophagy, alleviates apoptosis and inflammation, inhibits ROS production and the expression of fibrosis markers in hepatocytes, and regulates immune cell populations and responses. Oxoglaucine protects against infections caused by Candida albicans and Klebsiella pneumoniae, and exerts effects on adjuvant-induced arthritis. Oxoglaucine can be used in studies related to arthritis, liver fibrosis, bacterial infections, and fungal infections.

GSK3527497 is an orally active TRPV4 inhibitor. GSK3527497 is applicable for the research of heart failure.

TAT-AKAP79 326-336 is a cytoosmotic peptide. TAT-AKAP79 326-336 mimics a specific region on the AKAP79 protein that binds to TRPV1 ion channels (amino acid sequence 326-336). TAT-AKAP79 326-336 inhibits the sensitization of TRPV1 and reduce the overresponse of TRPV1 channels to stimuli caused by the activation of cellular kinases such as protein kinase A (PKA) and protein kinase C (PKC) by inflammatory mediators. TAT-AKAP79 326-336 can be used to study the mechanism of pain transduction and inflammatory hyperalgesia.

TRPV1-IN-3 (compound 14) is a TRPV1 inhibitor that can be used for the research of idiopathic pulmonary fibrosis. TRPV1-IN-3 affects the expression of fibrosis markers collagen I and α-SMA by inhibiting the TGF-β/Smads and MAPK pathways, thereby exerting antifibrotic activity in vitro (IC₅₀=0.51 μM). TRPV1-IN-3 significantly inhibits collagen deposition in lung tissue, improves the alveolar structure, and also increases the survival rate of mice with pulmonary fibrosis induced by Bleomycin (HY-108345).

Dyclonine (Dyclocaine) is an orally active, blood-brain barrier-permeable piperidine phenylacetone small molecule commonly used as a local anesthetic. Dyclonine acts as a highly selective allosteric antagonist of TRPV3; it also reversibly inhibits G9a, ALDH2 and ALDH3A1, non-competitively blocks AChE. Dyclonine activates the Nrf2/ARE pathway, relieves the epigenetic silencing of FXN, blocks Aβ42 aggregation, and promotes remyelination and reparative polarization of microglia. Dyclonine alleviates pruritus via TRPV3 inhibition; it is used in studies of neurodegenerative disease models based on its AChE inhibitory, antioxidant and remyelinating effects; it sensitizes drug-resistant tumors through ALDH inhibition, and combined use with protease inhibitors induces more tumor cell apoptosis; it inhibits Candida albicans in vitro. Dyclonine can be used for research on multiple diseases including neurodegenerative diseases, cancer and pruritic dermatitis.

TRPV1-IN-2 ((R)-32) is a TRPV1 inhibitor. TRPV1-IN-2 has protective effects on ED epilepsy models.

TRPC3/6-IN-2 is a potent TRPC3/6 inhibitor with IC₅₀ values of 16 nM and 29.8 nM for TRPC3 and TRPC6, respectively.

Multitarget AD-IN-6 (Compound 39) is a multi-target inhibitor, with an IC₅₀ of 15.54 μM against PDE4B, 15.15 μM against PDE7A, 8.39 μM against PDE3A, and a K_d of 37.7 μM against CHIT1. Multitarget AD-IN-6 acts as a TRPA1 antagonist, reduces the level of the NLRP3 inflammasome multiprotein complex to inhibit its activation, while inhibiting PDE4B, PDE7A and CHIT1, and decreasing the phosphorylation of NF-κB. Multitarget AD-IN-6 improves the pathology of elastase-induced emphysema in mice. Multitarget AD-IN-6 is applicable for the research of chronic obstructive pulmonary disease.

TRPC5-IN-5 (Compound ph8) is a TRPC5 inhibitor (IC₅₀: 1.28 μM). TRPC5-IN-5 can be used for research of neurological diseases and renal diseases.

Dyclonine-d₉ hydrochloride (Dyclocaine-d₉ hydrochloride) is the deuterated-labeled Dyclonine hydrochloride (HY-B0364A). Dyclonine hydrochloride (Dyclocaine hydrochloride) is an orally active, blood-brain barrier-permeable piperidine phenylacetone small molecule commonly used as a local anesthetic. Dyclonine hydrochloride acts as a highly selective allosteric antagonist of TRPV3; it also reversibly inhibits G9a, ALDH2 and ALDH3A1, non-competitively blocks AChE. Dyclonine hydrochloride activates the Nrf2/ARE pathway, relieves the epigenetic silencing of FXN, blocks Aβ42 aggregation, and promotes remyelination and reparative polarization of microglia. Dyclonine hydrochloride alleviates pruritus via TRPV3 inhibition; it is used in studies of neurodegenerative disease models based on its AChE inhibitory, antioxidant and remyelinating effects; it sensitizes drug-resistant tumors through ALDH inhibition, and combined use with protease inhibitors induces more tumor cell apoptosis; it inhibits Candida albicans in vitro. Dyclonine hydrochloride can be used for research on multiple diseases including neurodegenerative diseases, cancer and pruritic dermatitis.

TRPC4/5-IN-1 is a potent TRP channel 4/5 (TRPC4/5) inhibitor with IC₅₀s of 2.06 μM and 0.54 μM, respectively. TRPC4/5-IN-1 can be used for proteinuric kidney diseases and skin inflammatory diseases research.

TRPC5-IN-6 (Compound 12) is an orally effective transient receptor potential (TRPC5) inhibitor with a IC₅₀ value of 81 nM. TRPC5-IN-6 has good biosafety and low liver and kidney toxicity, and is expected to play an important role in the treatment of chronic kidney disease (CKD).

TL-119 (A-3302-B) is a polypeptide. TL-119 can be isolated from the bacteria Micromonospora sp. MAG 9-7 and Saccharomonospora sp. CNQ-490. TL-119 inhibits TRPV-1. TL-119 exhibits antiviral activity against HSV-2. TL-119 possesses anticancer activity against gastric cancer and colorectal cancer.

TRPC4/5-IN-3 (Compound 32) is the orally active inhibitor for transient receptor potential canonical channel 4/5 (TRPC4/5) with IC₅₀ of 3.6 nM and 5.5 nM. TRPC4/5-IN-3 inhibits hERG channel with IC₅₀ of 6.5 µM. TRPC4/5-IN-3 exhibits good metabolic stability in human/rat/mouse liver microsomes. TRPC4/5-IN-3 exhibits antidepressant and anxiolytic activity in mouse models, exhibits good pharmacokinetic characteristics in mouse with an oral bioavailability of 87%.

PDE/TRPA1/CHIT1-IN-1 is a phosphodiesterases (PDEs), TRPA1, and hCHIT1 (K_D of 37.7 μM) inhibitor. PDE/TRPA1/CHIT1-IN-1 is a broad-spectrum PDE inhibitor, potently targeting key isoforms including PDE4B, PDE7A, PDE3A, and PDE8A with IC₅₀s of 15.54, 15.15, 8.39 and 16.46 μM. PDE/TRPA1/CHIT1-IN-1 suppresses NLRP3 inflammasome activation and inhibits NF-κB phosphorylation, downregulating the expression of pro-inflammatory genes (TNF-α and IL-6) in vivo. PDE/TRPA1/CHIT1-IN-1 can be used for chronic obstructive pulmonary disease (COPD) and related inflammatory lung disorders research.

Ovalicin is a multi-target inhibitor that targets MetAP2, HRH2, JAK2 and TRPV1, with anti-inflammatory and anti-atopic dermatitis activities. Ovalicin covalently binds to MetAP2 to inhibit its function, thereby blocking the replication of Enterocytozoon bieneusi and Vittaforma corneae. Ovalicin alleviates intestinal injury and prolongs survival in infected mouse models, without showing obvious hepatorenal toxicity. Ovalicin attenuates LPS-induced calcium influx, reduces the infiltration of macrophages and mast cells in the skin, and regulates the expression of inflammation-related genes such as IL-31, effectively relieving allergic symptoms in mouse models. Ovalicin can be used for the research of microsporidiosis and atopic dermatitis.

Indazapyroxamet is an orally active insect TRPV channel (Nan/Iav subunit) modulator and insecticide. Indazapyroxamet antagonizes nicotinamide-induced calcium influx, inhibits insect motor function, and impairs negative geotaxis in wild-type Drosophila melanogaster via functional TRPV channels.