ERK Activator

Salbutamol (Albuterol) adipate is an orally active short-acting β2-adrenergic receptor agonist. Salbutamol adipate promotes tumorigenesis in gastric cancer cells through the β2-AR/ERK/EMT pathway. Salbutamol adipate can relax bronchial smooth muscle and is used to study bronchospasm induced by asthma and chronic obstructive pulmonary disease.

TriDAP (L-Ala-γ-D-Glu-meso-diaminopimelic acid) is a NOD1 agonist with a K_d value of 34.5 μM. TriDAP enhances the binding of NOD1-RICK, promotes RICK phosphorylation, and activates the NF-κB, TAK1, MEK/ERK, p38 and interferon response pathways. TriDAP downregulates Runx2 via increasing ubiquitination and reduces trabecular bone parameters. TriDAP decreases IκBα levels and increases p65 levels. TriDAP induces the secretion of proinflammatory mediators IL-8 and prostaglandins, triggers tissue inflammation and innate immune activation, and inhibits SARS-CoV-2 replication in lung epithelial cells. TriDAP increases the RANKL/OPG ratio in mice, reduces bone mass and enhances osteoclast activity, and inhibits new bone formation by decreasing the mineralization deposition rate in mice. TriDAP can be used in research related to pulpitis, chronic ulcerative colitis, Crohn's disease and SARS-CoV-2 infection.

Acifran (Standard) (AY 25712 (Standard)) is the analytical standard of Acifran (HY-107579). This product is intended for research and analytical applications. Acifran (AY 25712) is an orally active, full GPR109A and GPR109B agonist and hypolipidemic agent. Acifran reduces Forskolin (HY-15371)-induced cAMP elevation, triggers ERK1/ERK2 phosphorylation, and inhibits lipolysis in adipose tissue through G_i-coupled GPCR activation. Acifran is used for research on atherosclerosis, hyperlipidemia, and type 2 diabetes.

A-582941 is a selective, orally active, blood-brain barrier-permeable α7 nAChR agonist, with K_i values of 10.8 nM and 17 nM in rat brain and human frontal cortex, respectively. A-582941 exhibits agonistic activity at 5-HT3 receptors, with a K_i of 150 nM. A-582941 triggers phosphorylation of ERK1/2 and CREB, inhibits GSK-3β via Ser-9 phosphorylation, increases acetylcholine release, induces the expression of Arc and c-Fos, activates brain regions associated with working memory and attention, and reduces cell death caused by nerve growth factor (NGF) deprivation. A-582941 is applicable for the research of Alzheimer's disease and schizophrenia.

ML138 is a blood-brain barrier-permeable κ-opioid receptor (KOR) agonist, with an EC₅₀ value of 0.87 μM and a human K_i value of 2.4 nM for human receptors; it exhibits high selectivity for KOR over μ, δ and other receptors. ML138 activates β-arrestin (beta-arrestin)-mediated signaling pathways, stimulates G protein coupling, and activates the downstream extracellular regulated protein kinase 1/2 (ERK1/2) mitogen-activated protein kinase (MAP kinase) signaling pathway. ML138 is applicable to research related to addictive behaviors.

Desipramine is a first-generation tricyclic antidepressant. Desipramine selectively binds to norepinephrine transporter and blocks neuronal norepinephrine reuptake. Desipramine activates MAPK signaling via ERK1/2, JNK, and p38, represses NF-κB and AP-1 activity, and induces apoptosis via ROS elevation, mitochondrial membrane potential reduction, and intracellular calcium increase. Desipramine also shows anyi-inflammatory activity, inhibiting TNF-α production. Desipramine can be used for the research of hepatocellular cancer, inflammation, and neurological diseases.

β-Neo-Endorphin acetate is an endogenous opioid peptide. β-Neo-Endorphin acetate is a hypothalamic "big" Leu-enkephalin of porcine origin. β-Neo-Endorphin acetate shows activation of the Erk1/2, MMP-2 and MMP-9.

Fenoprofen-¹³C₆ (LILLY-53858-¹³C₆) sodium hydrate is the ¹³C labeled Fenoprofen (HY-B1456A).Fenoprofen (LILLY-53858) is a nonsteroidal anti-inflammatory agent (NSAID) and inhibits cyclooxygenase (COX). Fenoprofen is a melanocortin receptors (MCRs) positive allosteric modulator (PAM). Fenoprofen also increases ERK1/2 activation in HEK293T cells. Fenoprofen has anti-arthritic activities and can be used for the study of rheumatoid arthritis and osteoarthritis.

20:4 Lyso PI acts as an activator of GPR55 and RhoA. 20:4 Lyso PI activates the GPR55-RhoA-ROCK pathway, thereby inducing morphological changes, cytoskeleton assembly, cell rounding and stress fiber formation. 20:4 Lyso PI can be used in research related to diseases such as those of the nervous system.

Gestodene-d₆ (SHB 331-d₆; WL 70-d₆) is the deuterated-labeled Gestodene (HY-B0110). Gestodene is an orally active synthetic progestogen compound of the 19-nortestosterone class. Gestodene binds with high affinity to the progesterone receptor, inhibits 5α-reductase, binds to androgen and aldosterone receptors, and inactivates CYP3A. Gestodene acts as a positive allosteric modulator of PAR1, enhances PAR1-mediated signaling pathways, and is capable of increasing the activation potency of PAR1-AP toward PAR1, thereby promoting ERK1/2 phosphorylation, receptor internalization, cell morphological changes, and human platelet aggregation. Gestodene and its A-ring reduced metabolites promote the proliferation, differentiation, and mineralization of neonatal rat osteoblasts. Gestodene itself has no binding capacity for estrogen receptors, and this osteogenic activity depends on intracellular metabolism to generate A-ring reduced products with estrogen-like agonistic activity. Gestodene is useful for research on diseases related to progesterone secretion and diseases related to thrombosis.

β-Glycerophosphate disodium salt pentahydrate (Standard) is the analytical standard of β-Glycerophosphate disodium salt pentahydrate (HY-D0886). This product is intended for research and analytical applications. β-Glycerophosphate disodium salt pentahydrate is a bioactive endogenous metabolite and a phosphatase inhibitor. β-Glycerophosphate disodium salt pentahydrate plays an important role in inducing and maintaining osteoblast differentiation, mineral metabolism and signal transduction, and can be used as a drug carrier to form heat-sensitive hydrogels. β-Glycerophosphate disodium salt hydrate accelerates the calcification of vascular smooth muscle cells.

MRS2693 ammonium is a selective P2Y6 receptor agonist. MRS2693 ammonium exerts biological effects by activating the Gq-coupled P2Y6 receptor, the ERK1/2 pathway, and the P2RY6-PLCB3-CAMKK2-PRKAA1-ULK1 signaling cascade. MRS2693 ammonium attenuates TNFα-induced NF-κB activation, stabilizes XIAP via AKT-mediated phosphorylation, induces autophagy, and reactivates PRKAA1. MRS2693 ammonium can be used in research on diseases including skeletal muscle ischemia/reperfusion injury, TNFα-induced skeletal muscle apoptosis, chronic myelomonocytic leukemia, colorectal cancer, and dry eye disease.

Glutathione trisulfide TFA (GSSSG TFA) is an orally active, blood-brain barrier permeable neuroprotective agent. Glutathione trisulfide TFA inactivates intracellular tyrosinase, regulates the expression of Cars2, Cbs, MITF and TYR, inhibits α-MSH (HY-P0252)-induced melanogenesis, and restores intracellular persulfide levels reduced by α-MSH. Glutathione trisulfide TFA scavenges free radicals, quenches ROS, reduces Paclitaxel (HY-B0015)-induced superoxide production, upregulates the expression of antioxidant protein genes, and inhibits oxidative stress-induced cell death. Glutathione trisulfide TFA promotes ERK1/2 activation, prevents NF-κB p65 activation, inhibits TAK1 phosphorylation, reduces pro-inflammatory cytokine expression, and blocks microglial activation. Glutathione trisulfide TFA can be used in research related to dry age-related macular degeneration, inflammation-associated eye diseases, Alzheimer's disease, Parkinson's disease, etc.

Elaidic acid-d₁₇ is deuterium labeled Elaidic acid (HY-113016). Elaidic acid is an orally active trans fatty acid. Elaidic acid enhances the stemness of colorectal cancer cells by activating the Wnt/ERK1/2 pathway, thereby promoting cell proliferation, invasion and metastasis, and inhibiting apoptosis. Elaidic acid also inhibits the growth of Lactobacillus and alters the cell surface hydrophobicity of Lactobacillus. Elaidic acid reduces basal 2-deoxyglucose uptake in muscle cells and adipocytes. Elaidic acid can be used in research on colorectal cancer, insulin and other related areas.

α-Amyrin (Standard) is a pentacyclic triterpenoid compound with oral activity. α-Amyrin (Standard) activates the ERK and GSK-3β signaling pathways. α-Amyrin (Standard) can inhibit cancer cells proliferation and induce apoptosis. α-Amyrin (Standard) shows anti-bacterial and anti-inflammation activity. α-Amyrin (Standard) can reduce blood glucose level. α-Amyrin (Standard) can be used for the researches of cancer, infection, inflammation, metabolic disease and neurological disease, such as breast cancer, Streptococcus oralis infection, skin inflammation and diabetes.

Ferroptosis inducer-7 is an orally active and selective ferroptosis inducer via inositol 1,4,5-trisphosphate receptor (IP₃R)/calcium release-activated calcium channel protein (ORAI). Ferroptosis inducer-7 exhibits a notable effect in alleviating anemia symptoms, suppressing bone marrow CTLs activation, and improving hematopoietic function in immune-mediated bone marrow failure. Ferroptosis inducer-7 can be studied in research for aplastic anemia.

CKLF1-C27, a C-terminal peptide of CKLF1, binds to CCR4 receptor and activates ERK1/2 pathway. CKLF1-C27 can abrogate the effect of CKLF1 on cells by competing for CCR4 receptor. CKLF1-C27 shows great effect on promoting proliferation on HUVECs. CKLF1-C27 has the potential for psoriasis research.

Rapastinel (GLYX-13) acetate is a potent NMDAR modulator capable of crossing the blood-brain barrier, and it exhibits extremely high affinity for human NMDAR (EC₅₀=0.0017-9.9 nM). Rapastinel acetate enhances ERK signaling and activates the mTOR pathway, thereby upregulating the expression of BDNF and VGF, and inducing significant neuroplastic changes such as enhanced LTP and increased mature dendritic spine density in the hippocampus. Rapastinel acetate moderately elevates the efflux of dopamine, norepinephrine and 5-HT in the prefrontal cortex, and uniquely avoids side effects of traditional antidepressants such as dissociation, addiction or sedation. Rapastinel acetate is applicable to the research of major depressive disorder and hepatocellular carcinoma.

NS-417 free base is an ERK1, ERK2, and Akt kinase activator with neuroprotective, neurite outgrowth potentiating, and dopaminergic cell population enhancing activity. NS-417 free base enhances activation of ERK1, ERK2, and Akt kinase via growth factor stimulation. NS-417 free base rescues cells from growth factor withdrawal-induced death, stimulates neurite outgrowth, increases tyrosine hydroxylase-positive cell counts, and displays neurotrophic-like activity in in vitro models. NS-417 free base can be used for the research of parkinson’s disease.

BR103354 is an orally active, selective fibroblast activation protein (FAP) inhibitor with an IC₅₀ value of 14 nM against hFAP. BR103354 restores the levels of phosphorylated ERK and Glut1 that are reduced by co-treatment with hFGF21 and FAP, decreases non-fasting blood glucose concentrations, improves glucose tolerance, and reduces hepatic triglyceride content. BR103354 ameliorates hepatic steatosis and hepatic fibrosis. BR103354 can be used in the research of type 2 diabetes and non-alcoholic steatohepatitis.