Ischemic Stroke

Mito-TEMPO is a mitochondria-targeted antioxidant. Mito-TEMPO induces mitophagy by activating the PINK1/Parkin pathway, inhibits NLRP3 inflammasome activation, restores mitochondrial membrane potential, and improves renal function and podocyte injury. Mito-TEMPO regulates Ca²⁺ homeostasis, inhibits Bnip3 overexpression, shortens action potential duration, and exerts antiarrhythmic effects. Mito-TEMPO reverses premature senescence, reduces trabecular bone loss, and decreases cell apoptosis. Mito-TEMPO can be used in studies of chronic kidney disease, age-related cardiac dysfunction, postmenopausal osteoporosis, and ischemic stroke.

Edaravone is a strong novel free radical scavenger, and inhibits MMP-9-related brain hemorrhage in rats treated with tissue plasminogen activator.

Dehydroascorbic acid is an oxidized form of vitamin C that can cross the blood-brain barrier (BBB). Dehydroascorbic acid clears cytotoxic reactive oxygen species (ROS) produced after ischemic stroke by converting to ascorbic acid (AA), thereby reducing neuronal and glial cell damage and stabilizing cerebral microvascular NO signaling to maintain perfusion in the ischemic area. Dehydroascorbic acid can be used in research on ischemic stroke.

ATN-161 is an antagonist of α5β1 integrin and αvβ3 integrin, as well as an inhibitor of fibrosis, an inhibitor of oxidative stress, a tight junction stabilizer, a mitochondrial integrity protector, an angiogenesis inhibitor and an antiviral agent. ATN-161 inhibits NLRP3, MAPK, and ROS. ATN-161 protects mice from SARS-CoV-2 infection. ATN-161 reduces infarct volume, alleviates edema, decreases immune cell infiltration, reduces the area of choroidal neovascularization lesions, lowers tumor microvessel density and viral load. ATN-161 can be used in research related to ischemic stroke, choroidal neovascularization, breast cancer, coronavirus disease 2019 (COVID-19), and liver metastasis of colorectal cancer.

MitoTEMPO hydrate is a mitochondria-targeted antioxidant. MitoTEMPO hydrate induces mitophagy by activating the PINK1/Parkin pathway, inhibits NLRP3 inflammasome activation, restores mitochondrial membrane potential, and improves renal function and podocyte injury. MitoTEMPO hydrate regulates Ca²⁺ homeostasis, inhibits Bnip3 overexpression, shortens action potential duration, and exerts antiarrhythmic effects. MitoTEMPO hydrate reverses premature senescence, reduces trabecular bone loss, and decreases cell apoptosis. MitoTEMPO hydrate can be used in studies of chronic kidney disease, age-related cardiac dysfunction, postmenopausal osteoporosis, and ischemic stroke.

P3LC7LC-P is a blood-brain barrier-permeable BRAG2 ligand with a K_D of 6.14 μM. P3LC7LC-P binds to BRAG2, thereby disrupting its interaction with the GluA2 subunit of the AMPA receptor and inhibiting glutamate-induced GluA2 endocytosis. P3LC7LC-P exerts neuroprotective effects in oxygen-glucose deprivation-induced and glutamate-induced neurotoxicity models, reduces ROS accumulation and inhibits apoptosis, and reduces cerebral infarct size in a rat model of transient middle cerebral artery occlusion. P3LC7LC-P can be used for the research of ischemic stroke.

L-Glutamine GMP is L-Glutamine (HY-N0390) produced by using GMP guidelines. GMP small molecules works appropriately as an auxiliary reagent for cell therapy manufacture. L-Glutamine is an orally active nutritional agent and cellular metabolism regulator. L-Glutamine is taken up in a Na⁺-dependent manner and targets multiple key molecules including glutaminase, mTORC1, NF-κB, STAT-3 and HIF-1α. L-Glutamine enhances glutaminolytic catabolism, drives the conversion of glutamate to α-ketoglutarate, thereby regulating gene expression, integrating metabolic signals, mediating glutamine flux and maintaining redox homeostasis. L-Glutamine also promotes cell proliferation, osteogenic differentiation and fracture healing, exerts neuroprotective and cardioprotective effects, and inhibits osteoarthritis. L-Glutamine can be applied to research related to osteoporosis, osteoarthritis, ischemic stroke and acute cantharidin-induced cardiotoxicity.

PI3K/Akt/mTOR-IN-7 is an AKT/mTOR and JAK2/STAT3 inhibitor. PI3K/Akt/mTOR-IN-7 restores p-Akt, p-mTOR, and p-STAT3 expression, reduces pro-apoptotic Caspase-3 mRNA expression. PI3K/Akt/mTOR-IN-7 reduces intracellular ROS accumulation and inhibits NO production. PI3K/Akt/mTOR-IN-7 can be used for research on stroke, Alzheimer's disease and Parkinson's disease.

TAT-CN21 is a potent CaMKII inhibitor with an IC₅₀ of 77.2 nM. TAT-CN21 inhibits both calcium/calmodulin-dependent and autonomously activated CaMKII, blocks glutamate-induced translocation of CaMK IIα, and reverses the enhanced phosphorylation of CaMKII at Thr286 following excitotoxic injury. TAT-CN21 shows application potential in studies related to ischemic stroke by reducing neuronal excitotoxicity and exacerbating pre-existing long-term neuronal death prior to injury. TAT-CN21 improves definitive behaviors in rats with residual nerve injury without altering indicators such as mechanical/thermal hyperalgesia or spatial memory. TAT-CN21 can also be used in studies related to neuropathic pain.

N-Oleoyldopamine (OLDA) is an orally active TRPV1 activator and 5-LOX inhibitor with blood-brain barrier permeability. N-Oleoyldopamine excites histaminergic neurons in the tuberomammillary nucleus via a dopamine receptor mechanism, a process independent of TRPV1 and cannabinoid receptors. On one hand, N-Oleoyldopamine promotes the release of insulin and glucose-dependent insulinotropic polypeptide through a GPR119-dependent pathway to improve glucose tolerance; on the other hand, N-Oleoyldopamine improves left ventricular function and reduces myocardial infarction size by triggering the release of substance P and calcitonin gene-related peptide. N-Oleoyldopamine is used in studies related to glycemic abnormalities and myocardial ischemia-reperfusion injury.

Fosfructose is an orally active cyclooxygenase-2 inhibitor and Toll-like receptor 4 modulator. Fosfructose reduces the expression of cyclooxygenase-2, thereby decreasing prostaglandin production. By inhibiting the Toll-like receptor 4 signaling pathway, Fosfructose downregulates LPS-induced adhesion molecule expression. Fosfructose is applicable to research related to ischemic stroke, epilepsy, sepsis, myocardial injury, osteoporosis, and ultraviolet B-induced skin damage.

Methylnissolin (Astrapterocarpan) is an osteoclast inhibitor with anti-inflammatory, neuroprotective and antioxidant activities. Methylnissolin downregulates the activation of the MAPK and PI3K/AKT pathways, inhibits the phosphorylation of MAPK1 and AKT1, and blocks PDGF-BB-induced phosphorylation of ERK1/2. Methylnissolin reduces the expression and secretion of proinflammatory mediators, decreases intracellular ROS levels, upregulates antioxidant enzymes, and downregulates osteoclastogenesis markers. Methylnissolin is applicable to research related to ischemic stroke, osteoporosis, cardiovascular diseases, skin aging, etc.

T0080 is a central nervous system-penetrant FPR1 inhibitor. By functionally blocking the FPR1 signaling pathway, T0080 effectively reduces neutrophil infiltration into ischemic brain tissue and maintains the integrity of the blood-brain barrier. T0080 alleviates tPA-associated hemorrhagic transformation, inhibits demyelination responses and the expression of NOX2. T0080 also possesses anti-apoptotic (apoptosis) and anti-inflammatory properties, thereby protecting myelin and reducing neurological deficits. T0080 is widely used in studies related to ischemic stroke complicated by hemorrhagic transformation after tPA thrombolysis, as well as multiple sclerosis.

NT1-O14B is a tryptamine-derived lipidoid. NT1-O14B incorporates NT-lipidoid into BBB-impermeable lipid nanoparticles (LNPs), enabling the LNPs to cross the BBB. NT1-O14B enhances brain delivery via intravenous injection. NT1-O14B can be used in ischemic stroke research.

Lomitapide (AEGR-733; BMS-201038) mesylate is an orally active microsomal triglyceride transfer protein (MTP) inhibitor and a selective mTORC1 inhibitor with lipid-lowering activity and BBB permeability. Lomitapide mesylate significantly reduces plasma LDL levels by blocking the assembly and secretion of very-low-density lipoprotein (VLDL). Lomitapide mesylate inhibits mTORC1 in an ATP-dependent manner, thereby inducing AMPK-independent autophagic cell death and suppressing cancer cell growth and apoptosis. Lomitapide mesylate also enhances tumor infiltration of CD8⁺ T cells. In addition, Lomitapide mesylate inhibits HDAC, improves endothelial function, effectively alleviates vascular inflammation and oxidative stress, and exerts neuroprotective effects in a cerebral ischemia/reperfusion injury model. Lomitapide mesylate can be used in research on related diseases such as colorectal cancer, breast cancer, melanoma, ischemic stroke, and familial hypercholesterolemia.

(+)-Magnoflorine (α-Magnoflorine) iodide is an orally active aporphine alkaloid with multiple biological activities. (+)-Magnoflorine iodide promotes Parkin/PINK1 -mediated mitochondrial autophagy, inhibits the activation of NLRP3/Caspase-1 pathway, regulates the intestinal microbiota, and exhibits significant anti-inflammatory and immunomodulatory activities. (+)-Magnoflorine iodide inhibits JNK and TLR4/NF-κB signaling pathways, activates Sirt1/AMPK pathway, alleviates neuronal oxidative stress and apoptosis. Magnoflorine upregulates miR-410-3p, inhibits HMGB1/NF-κB pathway, and has anti-tumor activity. (+)-Magnoflorine iodide also has significant antifungal activity.

Norfluoxetine hydrochloride is the active metabolite of the antidepressant Fluoxetine (HY-B0102); it is also a TREK-2 K₂P potassium channel inhibitor. Norfluoxetine hydrochloride exhibits neuroimmunological activity, induces apoptosis in primary microglial cells, and inhibits the release of pro-inflammatory factors. Norfluoxetine hydrochloride inhibits high-threshold voltage-gated Ca²⁺ currents in neurons with an EC₅₀ of 20.4 μM. Norfluoxetine hydrochloride can be used in research related to depression, ischemic stroke, and epilepsy.

TPT-260 Dihydrochloride (NSC55712), a thiophene thiourea derivative, is a retromer complex stabilizer against thermal denaturation (K_d = ~5 µM). TPT-260 Dihydrochloride increases the levels of retromer proteins, shifts amyloid-precursor protein (APP) away from the endosome, and decreases the pathogenic processing of APP. TPT-260 Dihydrochloride inhibits TLR4 upregulation, IKKβ phosphorylation, NF-κB p65 nuclear translocation, and NLRP3 inflammasome formation. TPT-260 Dihydrochloride improves retromer-mediated cargo trafficking, reduces brain infarct area, and decreases amyloid plaque deposition. TPT-260 Dihydrochloride exhibits minimal cytotoxicity to primary microglia at tested concentrations. TPT-260 Dihydrochloride can be used for the research of inflammatory bowel disease, ischemic stroke and Alzheimer's disease.

β-Funaltrexamine (β-FNA) hydrochloride is a blood-brain barrier-permeable, selective and irreversible μ-opioid receptor antagonist with immunomodulatory, anti-inflammatory and neuroprotective activities. β-Funaltrexamine hydrochloride inhibits p38 MAPK and TLR4 signaling by blocking μ-opioid receptors, and reduces the transcriptional activities of NF-κB, AP-1, CREB and Stat. Furthermore, β-Funaltrexamine hydrochloride inhibits iNOS activation and pro-inflammatory microglial polarization, converting microglia to an anti-inflammatory phenotype, thereby downregulating neuroinflammation and ameliorating neuronal degeneration. β-Funaltrexamine hydrochloride is widely applicable to research related to stroke, cerebral ischemia/reperfusion injury and neurodegenerative diseases.

Tetrahydropiperine is an orally effective, selective inhibitor of NF-κB and MAPKs, and an activator of the PI3K/Akt/mTOR pathway. Tetrahydropiperine reduces the production of pro-inflammatory cytokines such as TNF-α, IL-6, and nitric oxide (NO) by inhibiting the nuclear translocation of NF-κB and the phosphorylation of MAPKs such as ERK, JNK, and p38. At the same time, Tetrahydropiperine inhibits excessive autophagy by activating the PI3K/Akt/mTOR pathway, protecting neurons from oxidative damage. Tetrahydropiperine has anti-inflammatory, anti-apoptotic, and neuroprotective effects, and is mainly used in the study of inflammatory diseases (such as endotoxemia, arthritis) and neurological diseases such as ischemic stroke.