Keap1-Nrf2 Activator

QD 232 is a quinazolinedione-based ROS inducer and an apoptosis inducer with cytotoxicity and redox regulatory activity. QD 232 promotes ROS accumulation, activates the NRF2-mediated oxidative stress response and unfolded protein response pathways, and upregulates downstream antioxidant and stress response genes. QD 232 inhibits mtDNA transcription driven by HSP2 and LSP promoters, and impairs mitochondrial oxidative phosphorylation function. QD 232 induces apoptosis of pancreatic ductal adenocarcinoma cells and exerts cytotoxicity against gemcitabine (HY-17026)-resistant pancreatic ductal adenocarcinoma cells. QD 232 delays tumor growth in a mouse pancreatic cancer xenograft model.

VO-OHPic is a reversible, noncompetitive PTEN inhibitor with an human IC₅₀ value of 46 nM. VO-OHPic inhibits PTEN signaling, activates Akt-GSK3β and Nrf-2/HO-1 pathways, induces apoptosis resistance and elevates IL-10 levels. VO-OHPic inhibits autophagy, ferroptosis and oxidative stress. VO-OHPic can be used for the research of acute myocardial infarction, intervertebral disc degeneration, cardiomyopathy and cancer.

Gymnoside II is one of the main bioactive constituents isolated from Bletilla striata. Gymnoside II inhibits nano SiO₂-induced A549 cell viability reduction, apoptosis, and ROS generation by activating Nrf2. Gymnoside II upregulates HO-1 and γ-GCSc, while downregulating the Bax/Bcl-2 ratio. Gymnoside II is applicable for research on nano SiO₂-induced pulmonary injury.

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.

VH9 is a Free radical scavenger. VH9 binds to the active pocket of Keap1, blocks the interaction between Keap1 and Nrf2, and activates the Keap1-Nrf2 antioxidant pathway. VH9 inhibits ROS production. VH9 scavenges ABTS and DPPH free radicals through hydrogen bonding and hydrophobic interactions. VH9 protects cells from oxidative stress damage.

Nrf2 activator-5 (compound 1) is a potent Nrf2 activator that can attenuate H₂O₂-induced oxidative stress and LPS-stimulated inflammation in BV-2 microglial cells. Nrf2 activator-5 exhibits antioxidant and anti-inflammatory activities.

Oltipraz-d₃ is the deuterium labeled Oltipraz. Oltipraz has an inhibitory effect on HIF-1α activation in a time-dependent manner, completely abrogating HIF-1α induction at ≥10 μM concentrations, the IC50 of Oltipraz for HIF-1α inhibition is 10 μM. Oltipraz is a potent Nrf2 activator.

FXR agonist 18 is an orally active FXR agonist, with an EC₅₀ of 10 nM against human FXR and an EC₅₀ of 1360 nM against human TGR5. FXR agonist 18 inhibits inflammatory responses by reducing nitrite production, downregulating the expression of pro-inflammatory genes (Tnf, Adgre1, Cyp8b1, upregulating the expression of FXR, Hmox1, Nqo1, Nrf2, and enhancing antioxidant responses. FXR agonist 18 ameliorates liver fibrosis in mice, exhibits protective effects in mice with cholestatic liver injury, and shows anti-MASH efficacy. FXR agonist 18 can be used in studies of metabolic dysfunction-associated steatohepatitis.

Rutaecarpine (Standard) is the analytical standard of Rutaecarpine. This product is intended for research and analytical applications. Rutaecarpine, an alkaloid of Evodia rutaecarpa, is an inhibitor of COX-2 with an IC₅₀ value of 0.28 μM. Rutaecarpine can target and activate the NRF2/HO-1 pathway to reduce craniofacial injury. Rutaecarpine sttenuates oxidative stress-induced traumatic brain injury (TBI) and reduces secondary injury via the PGK1/KEAP1/NRF2 signaling pathway. Rutaecarpine can cross the blood-brain barrier (BBB).

Pachypodol (Standard) is the analytical standard of Pachypodol (HY-N3121). This product is intended for research and analytical applications. Pachypodol is an orally active methoxyflavonoid compound. Pachypodol activates the ERK-dependent Nrf2 pathway and inhibits Apoptosis. Pachypodol exhibits activities such as antioxidant, cytoprotective, anti-inflammatory effects. Pachypodol improves cognition. Pachypodol exerts protective effects against cardiac and liver damage. Pachypodol has anticancer activity against colon cancer.

Oltipraz (GMP) is Oltipraz (HY-12519) produced by using GMP guidelines. GMP small molecules works appropriately as an auxiliary reagent for cell therapy manufacture. Oltipraz has an inhibitory effect on HIF-1α activation. Oltipraz is a potent Nrf2 activator.

Clemastine (HS-592; Meclastine) fumarate (Standard) is the analytical standard of Clemastine fumarate. This product is intended for research and analytical applications. Clemastine fumarate is an orally active, blood-brain barrier-permeable H1 histamine receptor (H1 histamine receptor) antagonist with potent antiallergic effects. Clemastine fumarate also antagonizes muscarinic acetylcholine receptors (mAChR), particularly the M1 and M4 subtypes. In addition to antihistamine effects, Clemastine fumarate exhibits multiple pharmacological activities, especially in promoting central nervous system remyelination, activating autophagy and pyroptosis, exerting anti-apoptotic and neuroprotective effects, and suppressing inflammation .

Fraxinellone analog 1 (compound 2) is a potent and rapid activator of the Nrf2 mediated antioxidant defense system, which protects against glutamate-mediated excitotoxicity and induces the expression of antioxidant genes Gpx4, Sod1, and Nqo1. Fraxinellone analog 1 has neuroprotective effects and regulatory effects against oxidative stress and inflammation, and can be used in the study of neurodegenerative 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.

(9S,13R)-12-Oxo phytodienoic acid-d₅ ((9S,13R)-12-OPDA-d₅) is the deuterated-labeled (9S,13R)-12-Oxo phytodienoic acid (HY-118828A). (9S,13R)-12-Oxo phytodienoic acid ((9S,13R)-12-OPDA) is a mPGES-1 inhibitor and Nrf2 activator. (9S,13R)-12-Oxo phytodienoic acid selectively inhibits mPGES-1 expression and reduces inducible PGE₂ production without affecting COX-1 or COX-2. (9S,13R)-12-Oxo phytodienoic acid inhibits the phosphorylation of IKKβ, IκBα, and NF-κB (p65), blocks the nuclear translocation of p65, increases the nuclear translocation of Nrf2, and upregulates HO-1 expression. (9S,13R)-12-Oxo phytodienoic acid inhibits the differentiation of M0 macrophages toward the M1 phenotype and promotes differentiation toward the M2 phenotype. (9S,13R)-12-Oxo phytodienoic acid decreases the levels of NO, PGE₂, IL-1β, IL-6, iNOS, and PGD₂. (9S,13R)-12-Oxo phytodienoic acid can be used for inflammation research.

4-Octyl itaconate-Bn-S-NH2 (Compound 8b) is a vasodilator. 4-Octyl itaconate-Bn-S-NH2 can slowly and stably release H₂S, and it alleviates oxidative stress through an antioxidant reaction that depends on the activation of Nrf2. 4-Octyl itaconate-Bn-S-NH2 inhibits the production of intracellular ROS caused by H₂O₂ damage and the cytotoxicity of cells, and activates potassium channel. 4-Octyl itaconate-Bn-S-NH2 can be used for research on hypertension.

L-Cystine disodium monohydrate is an orally active extracellular form of L-Cysteine (HY-Y0337), occurring in proteins of plants and animals. L-Cystine disodium monohydrate elevates Nrf2 protein expression and activates Nrf2 transcription factor. L-Cystine disodium monohydrate reduces ROS generation and protects against oxidant- or Doxorubicin (HY-15142A)-induced apoptosis. L-Cystine disodium monohydrate combined with L-theanine (HY-15121) enhances the production of antigen-specific IgG by increasing glutathione (GSH) levels and T helper 2 (Th2) mediated responses in mice. L-Cystine disodium monohydrate is promising for research of cystinuria and kidney stones.

Resveratrol-¹³C₆ is the ¹³C-labeled Resveratrol. Resveratrol (trans-Resveratrol; SRT501), a natural polyphenolic phytoalexin that possesses anti-oxidant, anti-inflammatory, cardioprotective, and anti-cancer properties. Resveratrol (SRT 501) has a wide spectrum of targets including mTOR, JAK, β-amyloid, Adenylyl cyclase, IKKβ, DNA polymerase. Resveratrol also is a specific SIRT1 activator. Resveratrol is a potent pregnane X receptor (PXR) inhibitor. Resveratrol is an Nrf2 activator, ameliorates aging-related progressive renal injury in mice model. Resveratrol increases production of NO in endothelial cells.

AI-3 is a potent ARE (antioxidant response element) activator. AI-3 increases the NQO1 at the transcript levels and protein expression levels. AI-3 has the potential for the research of oxidative stress related diseases.

MAGL-IN-22 (Compound 40) is a reversible, competitive, selective and BBB-penetrable MAGL inhibitor with an IC₅₀ of 0.34  μM for hMAGL. MAGL-IN-22 has significant antioxidant and anti-inflammatory activity, and activates the Nrf2 pathway and significantly inhibits NFκB-mediated inflammation, without inducing cytotoxic effects. MAGL-IN-22 can be used for neurodegenerative diseases, chronic pain and cancers research.