Metabolism Standards

L-Glutamine (Standard) is the analytical standard of L-Glutamine (HY-N0390). This product is intended for research and analytical applications. 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.

Adenosine (Standard) is the analytical standard of Adenosine. This product is intended for research and analytical applications. Adenosine (Adenine riboside), a ubiquitous endogenous autacoid, acts through the enrollment of four G protein-coupled receptors: A1, A2A, A2B, and A3. Adenosine affects almost all aspects of cellular physiology, including neuronal activity, vascular function, platelet aggregation, and blood cell regulation.

Rapamycin (Standard) (Sirolimus (Standard)) is the analytical standard of Rapamycin (HY-10219). This product is intended for research and analytical applications. Rapamycin (Sirolimus; AY 22989) is a potent and specific blood-brain barrier-transmissible mTOR inhibitor with an IC₅₀ of 0.1 nM in HEK293 cells. Rapamycin is a molecular glue that binds FKBP12 and mTOR proteins together, thereby inhibiting mTOR kinase activity. Rapamycin binds to FKBP12 and specifically acts as an allosteric inhibitor of mTORC1. Rapamycin is an autophagy activator, an immunosuppressant.

Kynurenic acid (Standard) is the analytical standard of Kynurenic acid. This product is intended for research and analytical applications. Kynurenic acid, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid is also an agonist of GPR35/CXCR8.

(-)-Epigallocatechin Gallate (Standard) is the analytical standard of (-)-Epigallocatechin Gallate. This product is intended for research and analytical applications. (-)-Epigallocatechin Gallate (EGCG) is a major polyphenol in green tea, which can inhibit cell proliferation and induce cell apoptosis. (-)-Epigallocatechin Gallate inhibits glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) activity. (-)-Epigallocatechin Gallate has a potent anticancer, antioxidant and anti-inflammatory properties against various types of cancers such as colorectal cancer, myeloid leukemia, thyroid carcinoma.

Luteolin (Standard) is the analytical standard of Luteolin. This product is intended for research and analytical applications. Luteolin (Luteoline), a flavanoid compound, is a potent Nrf2 inhibitor. Luteolin has anti-inflammatory, anti-cancer properties, including the induction of apoptosis and cell cycle arrest, and the inhibition of metastasis and angiogenesis, in several cancer cell lines, including human non-small lung cancer cells.

Dexamethasone (Standard) is the analytical standard of Dexamethasone. This product is intended for research and analytical applications. Dexamethasone (Hexadecadrol) is a glucocorticoid receptor agonist. Dexamethasone also significantly decreases CD11b, CD18, and CD62L expression on neutrophils, and CD11b and CD18 expression on monocytes. Dexamethasone is highly effective in the control of COVID-19 infection. Dexamethasone inhibits production of exosomes containing inflammatory microRNA-155 in lipopolysaccharide-induced macrophage inflammatory responses.

SB-431542 (Standard) is the analytical standard of SB-431542. SB-431542 is a TGF-β receptor kinase inhibitor (TRKI). SB-431542 has inhibitory activity for ALK4, ALK5 and ALK7 with IC₅₀ values of 1 μM, 0.75 μM and 2 μM, respectively. SB-431542 also inhibits TGF-β-induced transcription, gene expression, apoptosis, and growth suppression. SB-431542 can be used for the research of cancer and signal transduction pathways.

Olaparib (Standard) is the analytical standard of Olaparib. This product is intended for research and analytical applications. Olaparib (AZD2281; KU0059436) is a potent and orally active PARP inhibitor with IC₅₀s of 5 and 1 nM for PARP1 and PARP2, respectively. Olaparib is an autophagy and mitophagy activator.

Cyclic AMP (Standard) is the analytical standard of Cyclic AMP. Cyclic AMP (Cyclic adenosine monophosphate), adenosine triphosphate derivative, is an intracellular signaling molecule responsible for directing cellular responses to extracellular signals. Cyclic AMP is an important second messenger in many biological processes.

Palmitic acid (Standard) is the analytical standard of Palmitic acid. This product is intended for research and analytical applications. Palmitic acid is a long-chain saturated fatty acid commonly found in both animals and plants. PA can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in in mouse granulosa cells.

Adenosine monophosphate (Standard) is the analytical standard of Adenosine monophosphate (HY-A0181). This product is intended for research and analytical applications. Adenosine monophosphate is an adenosine A1 receptor agonist. Adenosine monophosphate has significant antiviral activity against HSV-1 and HSV-2. Adenosine monophosphate is a key cellular metabolite regulating energy homeostasis and signal transduction.

Quinolinic acid (Standard) is the analytical standard of Quinolinic acid. This product is intended for research and analytical applications. Quinolinic acid, an endogenous metabolite of tryptophan, is a N-methyl-D-aspartate receptor (NMDA receptor) agonist. Quinolinic acid increases glutamate efflux, induces the generation of ROS, activates nitric oxide synthase, produces excessive NO, leading to calcium ion influx and neuronal apoptosis.

L-Arginine (Standard) is the analytical standard of L-Arginine. This product is intended for research and analytical applications. L-Arginine ((S)-(+)-Arginine) is the substrate for the endothelial nitric oxide synthase (eNOS) to generate NO. L-Arginine is transported into vascular smooth muscle cells by the cationic amino acid transporter family of proteins where it is metabolized to nitric oxide (NO), polyamines, or L-proline. L-Arginine is a potent vasodilator, and can be used to induce experimental acute pancreatitis.

L-Citrulline (Standard) is the analytical standard of L-Citrulline. This product is intended for research and analytical applications. L-Citrulline is an amino acid derived from ornithine in the catabolism of proline or glutamine and glutamate, or from l-arginine via arginine-citrulline pathway.

Rutin (Standard) is the analytical standard of Rutin. This product is intended for research and analytical applications. Rutin (Rutoside) is a flavonoid found in many plants and shows a wide range of biological activities including anti-inflammatory, antidiabetic, antioxidant, neuroprotective, nephroprotective, hepatoprotective and reducing Aβ oligomer activities. Rutin is also a CBR1 inhibitor, which can cross the blood brain barrier. Rutin attenuates vancomycin-induced renal tubular cell apoptosis via suppression of apoptosis, mitochondrial dysfunction, and oxidative stress.

NADH disodium salt (Disodium NADH) Standard is the analytical standard of NADH disodium salt (HY-F0001). This product is intended for research and analytical applications. NADH disodium salt (Disodium NADH) is an orally effective reduced coenzyme. NADH disodium salt plays a role in regenerating electron donors during cellular energy metabolism, including glycolysis, β-oxidation, and the tricarboxylic acid (TCA) cycle. NADH disodium salt regulates calcium homeostasis by promoting the opening of IP3-gated Ca²⁺ channels and inhibiting Ryanodine receptor, and affects mitochondrial function through direct interaction with VDAC. NADH disodium salt is used in cytoprotective studies related to cerebral ischemic injury, neurodegenerative diseases, aging, and signal transduction.

L-Leucine (Standard) is the analytical standard of L-Leucine. This product is intended for research and analytical applications. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway.

Acetylcholine (chloride) (Standard) is the analytical standard of Acetylcholine (chloride). This product is intended for research and analytical applications. Acetylcholine chloride (ACh chloride), a neurotransmitter, is a potent and BBB-permeable cholinergic agonist. Acetylcholine chloride is a modulator of the activity of dopaminergic (DAergic) neurons through the stimulation of nicotinic acetylcholine receptors (nAChRs). Acetylcholine chloride inhibits p53 mutant peptide aggregation in vitro.

Succinic acid (Standard) is the analytical standard of Succinic acid. This product is intended for research and analytical applications. Succinic acid is an anti-anxiety agent with oral activity. Disodium succinate is the salt form of Succinic acid. Succinic acid is an intermediate product of the tricarboxylic acid cycle. Succinic acid is an important platform chemical. Succinic acid can be used as surfactant, additive, ion chelating agent, flavoring agent and other applications in chemical, pharmaceutical and food fields.