cortex

Dalcotidine (KU 1257) is a novel histamine H2 receptor antagonist with histamine H9 receptor antagonistic activity and antisecretory effects.The Ki value for binding to guinea pig cerebral cortex was 0.040 The KB value for antagonism of histamine-induced positive chronotropic responses in the right atrium of isolate guinea pigs was 0.041.Dalcotidine improves the quality of ulcer healing, and may contribute to a reduction in ulcer recurrence and relapse rates.

Dihydro-N-Caffeoyltyramine is a compound extracted from Lycii Cortex that has antioxidant and antifungal activities and can be used to study fungal infections.

Mitotane (NCI-C04933) is a derivative of the insecticide DICHLORODIPHENYLDICHLOROETHANE that specifically inhibits cells of the adrenal cortex and their production of hormones. It is used to treat adrenocortical tumors and causes CNS damage, but no bone marrow depression.

Perindopril erbumine (S9490-3) is the tert-butylamine salt of perindopril, the ethyl ester of a non-sulfhydryl angiotensin-converting enzyme (ACE) inhibitor with antihypertensive activity. Upon hydrolysis, Perindopril erbumine (S9490-3) is converted to its active form perindoprilat, inhibiting ACE and the conversion of angiotensin I to angiotensin II; consequently, angiotensin II-mediated vasoconstriction and angiotensin II-stimulated aldosterone secretion from the adrenal cortex are inhibited and diuresis and natriuresis ensue.

(R)-5-Oxopyrrolidine-2-carboxylic acid (D-Pyroglutamic acid) is a cyclic derivative of glutamic acid, physiologically present in mammalian tissues. It releases GABA from the cerebral cortex and exhibits anti-anxiety effects in a simple approach-avoidance conflict situation in rats. In clinical pharmacology experiments, it significantly shortens the plasma half-life of ethanol during acute intoxication.

γ-Aminobutyric acid (4-Aminobutyric acid) is the predominant inhibitory neurotransmitter in the central nervous system.

Aripiprazole (OPC-14597) is an antipsychotic agent that is structurally related to piperazines and quinolones. It is a partial agonist of SEROTONIN RECEPTOR, 5-HT1A and DOPAMINE D2 RECEPTORS, where it also functions as a post-synaptic antagonist, and an antagonist of SEROTONIN RECEPTOR, 5-HT2A.

Phenytoin (5,5-Diphenylhydantoin) is a hydantoin derivative and a non-sedative antiepileptic agent with anticonvulsant activity. It potentially acts by promoting sodium efflux from neurons in the motor cortex, reducing post-tetanic potentiation at synapses. This prevents cortical seizure foci from spreading to adjacent areas and stabilizes the threshold against hyperexcitability. Additionally, it appears to reduce muscle spindle sensitivity to stretch, causing muscle relaxation.

Guanfacine hydrochloride (Intuniv) is a centrally acting antihypertensive agent with specificity towards ADRENERGIC ALPHA-2 RECEPTORS.

trans-Urocanic Acid ((E)-Urocanic acid), a compound predominantly distributed in the hippocampus and prefrontal cortex, is an isomer of cis-UCA, an epidermal UV-protectant, which enhances the stability of tenofovir eplerenomide in long-acting HIV applications. trans-Urocanic acid potently modulates immune trans-urocanic acid effectively modulates immune function, inhibits human natural killer cell activity in vitro, and can be used in Alzheimer's disease research.

Trilostane (Win 24540) is a synthetic androstane derivative with adrenocortical suppressive properties, reversibly inhibiting 3 beta-hydroxysteroid dehydrogenase delta [5-4] isomerase in the adrenal cortex.

Dehydroisoandrosterone 3-acetate (Prasterone acetate) is a primary C19 steroid generated by the adrenal cortex.

Flibanserin (Girosa) is a serotonergic antidepressant used to treat hypoactive sexual desire disorder. Flibanserin has been associated with a low rate of minor serum aminotransferase elevations during treatment but has not been linked to instances of clinically apparent acute liver injury.

Adrenosterone (11-ketoandrostenedione) is a steroid hormone isolated from the adrenal cortex.

L-Allylglycine is an amino acid derivative that reduces glutamate decarboxylase (GAD) activity by 60% when administered at a dose of 39.8 μmol g per hour ex vivo in mouse brain preparations. L-Allylglycine (1.2 mmol kg, i.p.) induces convulsions and decreases GABA concentration throughout the cerebellum, pons, medulla, striatum, cortex, and hippocampus in mice. Chronic administration (3.2 μg 0.5 μl per hour for 13 days) of L-allylglycine in rats increases locomotor activity in an open field test and impairs attention in the 5-choice serial reaction time task (5CSRTT). In vitro, L-allylglycine inhibits GAD only when used at high concentrations (1-80 mM). The more potent in vivo activity can be attributed to metabolic conversion of L-allylglycine to 2-keto-4-pentanoic acid, a more potent convulsant and GAD inhibitor.

Azilsartan Methyl Ester is an angiotensin II receptor antagonist. Azilsartan Methyl Ester inhibits specific binding of [125I]AII (0.2 nM) to bovine adrenal cortex with IC50 value is 0.44uM.

Abaperidone is a potent 5-HT2A receptor and dopamine D2 receptor antagonist with an IC50 of 6.2 for 5-HT2A receptors and 17 nM for dopamine D2 receptors.Abaperidone is a potentially atypical anti-psychotropic compound that reduces basal hsp70 mRNA expression in rat striatum and prefrontal cortex. expression in the striatum and prefrontal cortex of rats.

Scyliorhinin II acetate is a selective agonist of the neurokinin-3 (NK3) receptor (Ki = 2.5 nM) in rat cerebral cortex.

Reptoside, which can be extracted from the roots and above-ground parts of Cortex Eucommiae and Ajuga chamaepitys (L.) Schreb, is one of the active cyclic enol ether terpene glycosides of Cortex Eucommiae for the treatment of osteoporosis.

FFN 511 hydrochloride is a fluorescent pseudo-neurotransmitters (FFNs) targeting neuronal vesicular monoamine transporter 2 (VMA T2).FFN 511 hydrochloride inhibits the binding of 5-hydroxytryptamine to VMA T2-containing membranes and can be used for labelling of dopaminergic nerve endings in acute slices of in vivo cortex-striatum. The excitation and emission maxima are 406 and 501 nm, respectively.

Osemozotan HCl (Osemozotan hydrochloride) is a novel and selective 5-HT1A receptor agonist that reduces methamphetamine-induced c-Fos expression in the medial prefrontal cortex and striatum.Osemozotan HCl is used in the study of mechanical abnormalities of pain and depression.

Repinotan (BAY x 3702 free base) is an orally active, selective 5-HT1A receptor agonist that crosses the blood-brain barrier (BBB), exhibits neuroprotective activity, counteracts morphine-induced depression of ventilation in anesthetized rats, and may be used in studies of acute ischemic stroke and traumatic brain injury.

FG 7142 (LSU-65) also modulates GABA-induced chloride flux at GABAA receptors expressing the α1 subunit (EC50= 137 nM). FG 7142 can increase tyrosine hydroxylation and cause upregulation of β-adrenoceptors in mouse cerebral cortex. FG 7142 , a non-selectively benzodiazepine inverse agonist, has high affinity for the α1 subunit-containing GABAA receptor (Ki=91 nM).

Benzamil is an epithelial sodium channel (ENaC) blocker that inhibits sodium transport from (IC50 = 4 nM) and binds to (Kd = 5 nM) bovine kidney cortex membrane vesicles.

Bevantolol hydrochloride (NC-1400 hydrochloride) is a β1-adrenoceptor antagonist that treatment angina pectoris and hypertension.

Angiotensin I (human, mouse, rat) is the precursor to the vasoconstrictor peptide angiotensin II, cleaved by the angiotensin-converting enzyme (ACE). This peptide hormone causes vasoconstriction and increases blood pressure as part of the renin–angiotensin system, also stimulating aldosterone release from the adrenal cortex to promote sodium retention by the kidneys.

Polygalaxanthone XI is an xanthone glycoside isolated from the cortex of Polygala tenuifolia, which can be used in studies of expectorants and to promote psychostability.

Pseudolaric acid A-O-β-D-glucopyranoside (Pseudolaric acid A-O-beta-D-glucopyranoside) is a natural product with antibacterial, anticancer, and antifungal properties.

Polygalaxanthone XI is an xanthone glycoside isolated from the cortex of Polygala tenuifolia, which can be used in studies of expectorants and to promote psychostability.

Unifiram is a nootropic agent.1It increases acetylcholine (ACh) release in the rat cerebral cortexin vivoand induces a long-lasting increase in the amplitude of field excitatory postsynaptic potentials (fEPSPs) in the rat hippocampal CA1 region (EC50= 27 nM). It does not bind to serotonin (5-HT), dopamine, muscarinic, nicotinic, adrenergic, glutamate, histamine, opioid, or GABA receptors at 1 μM. Unifiram (0.1 mg kg) improves memory in non-memory-impaired rats in a social learning test.2It also prevents memory deficits induced by the anticholinergic agent scopolamine, nicotinic receptor antagonist mecamylamine, GABABreceptor agonist baclofen, or α2-adrenergic receptor agonist clonidine in the passive avoidance test in mice when administered at a dose of 0.01 mg kg and prevents memory deficits induced by the AMPA kainate glutamate receptor antagonist NBQX at 0.1 mg kg.1 1.Romanelli, M.N., Galeotti, N., Ghelardini, C., et al.Pharmacological characterization of DM232 (unifiram) and DM235 (sunifiram), new potent cognition enhancersCNS Drug Rev.12(1)39-52(2006) 2.Ghelardini, C., Galeotti, N., Gualtieri, F., et al.The novel nootropic compound DM232 (unifiram) ameliorates memory impairment in mice and ratsDrug Develop. Res.56(1)23-32(2002)

SB 271046 hydrochloride (SB 271046A) is selective, orally active 5-HT6 antagonist (pKi values are 9.02-8.92, 6.35, 6.55, 6.27 at 5-HT6, 5-HT1A, 5-HT1D and D3, and 6.05, 5.95, 5.76, 5.73, 5.62, 5.55, 5.41, 5.39, 5.27 and < 4.99 at 5-HT1B, 5-HT1F, α1B, 5-HT2C, 5-HT2A, D2, 5-HT2B, 5-HT7, 5-HT4 and 5-HT1E respectively) and is > 200-fold selective over 55 other receptors, enzymes and ion channels. It increases extracellular aspartate and glutamate in the frontal cortex and exhibits anticonvulsant activity (EC50: 0.16 μM).

Tebuconazole-d9 is intended for use as an internal standard for the quantification of tebuconazole by GC- or LC-MS. Tebuconazole is a triazole fungicide that is active against both seed and foliar fungi. It inhibits 14α-demethylase isolated from U. maydis and S. bicolor with IC50 values of 0.05 and 0.16 nM, respectively. It inhibits the androgenic effect of the androgen receptor agonist DHT (IC20 = 2.89 µM) and is cytotoxic (EC20 = 38.9 µM) in an MDA-kb2 assay. Tebuconazole (50 and 100 mg/kg per day) administered during gestation reduces testosterone levels and increases testicular levels of progesterone and 17α-hydroxyprogesterone in male rat fetuses. It has a feminizing effect on male pups and a virializing effect on female pups. When administered to rats gestationally through postnatal day 42, tebuconazole (20 and 60 mg/kg per day) leads to cell death of pyramidal cells in the CA3-4 region of the hippocampus and layer V of the cortex concomitant with impairment in learning......

3-Methylglutaconic acid, a primary metabolite accumulating in 3-Methylglutaconic aciduria (MGTA), induces lipid and protein oxidation, while diminishing non-enzymatic antioxidant defenses in cerebral cortex supernatants, thereby promoting oxidative stress in the cerebral cortex. This compound is utilized in research concerning brain damage diseases [1].

JNJ-10181457 (hydrochloride) is a non-imidazole H3 receptor antagonist that is brain-penetrating and selective, increasing NE and acetylcholine concentrations within the rat frontal cortex. Can be used for neurological-related research.

CPPG is a potent antagonist of group II III mGlu receptors. CPPG exhibits some selectivity (approximately 20 fold) for group III (IC50: 2.2 nM) over group II (IC50: 46.2 nM) mGlu receptors in the rat cerebral cortex.

RPR104632 is a novel and potent antagonist located at the NMDA glycine site with neuroprotective activity.

AR-A 2 is a selective 5-HT1B receptor antagonist with high affinity to guinea pig cortex 5-HT1B 1D and recombinant guinea pig 5-HT1B receptors (Ki: 0.24 and 0.47 nM), exhibiting a 10-fold lower affinity to guinea pig 5-HT1D receptor (Ki: 5 nM).

GSK-215083 is a PET radioligand for the 5-HT6 receptor. GSK 215083 is a quinoline based compounds and acts by antagonising the 5-HT6 receptor. GSK-215083 binds to receptors 5-hydroxytrypamine-6 (5HT6) in the striatum and 5-hydroxytryptamine-2A (5HT2A) in

Delequamine HCl is a potent and selective alpha 2-adrenoceptor antagonist. Delequamine HCl has a pKi of 9.45 for alpha 2-adrenoceptors in the rat cortex (pA2 in the guinea-pig ileum of 9.72).

Artemisinin B is a drug which may improve spatial memory in dementia patients and alter the levels of inflammatory cytokines in the hippocampus and the cortex. Artemisinin B may inhibit neuroinflammation and exert neuroprotective effects on cognitive functions by modulating the TLR4-MyD88-NF-κB signaling pathway. Artemisinin B has shown potential in the treatment of neuroinflammatory diseases.

1,4-Dideoxy-1,4-imino-D-arabinitol (DAB) functions as an inhibitor of glycogen phosphorylase, a crucial enzyme in glycogenolysis, demonstrating the ability to hinder this process in isolated liver cells (IC50= 1.0 µM) and cerebral cortex and cerebellum homogenates (IC50s = 463 and 383 nM, respectively). Employed extensively in different animal models, DAB inhibits glycogenolysis within the liver and brain.

L-690330 is a competitive inositol monophosphatase inhibitor (Kis: 0.27 and 0.19 μM for recombinant human and bovine IMPase, 0.30 and 0.42 μM for human and bovine frontal cortex IMPase). L-690330 shows 10-fold more sensitive than a mouse and rat IMPase.

1400W is a slow, tight-binding, and highly selective inducible nitric-oxide synthase (iNOS) inhibitor, with a K_d value ≤ 7 nM. 1400W inhibits iNOS induction in microglial cells and reduces the generation of NO, thereby mitigating oxidative stress and neuronal cell apoptosis in the rat cerebral cortex, and improving spatial memory dysfunction caused by acute hypobaric hypoxia-reoxygenation [1] [2].

Prepro-Atrial Natriuretic Factor (26-55) (human) is a polypeptide that increases cyclic GMP levels in the renal cortex and medulla, and enhances renal guanylate cyclase activity [1].

Zonisamide-13C2,15N is intended for use as an internal standard for the quantification of zonisamide by GC- or LC-MS. Zonisamide is an antiepileptic agent.1 It selectively inhibits the repeated firing of sodium channels (IC50 = 2 μg/ml) in mouse embryo spinal cord neurons and inhibits spontaneous channel firing when used at concentrations greater than 10 μg/ml.2 In rat cerebral cortex neurons, zonisamide (1-1,000 μM) inhibits T-type calcium channels with a maximum reduction of 60% of the calcium current.3 Zonisamide inhibits H. pylori recombinant carbonic anhydrase (CA) and the human CA isoforms I, II, and V with Ki values of 218, 56, 35, and 21 nM, respectively.4,5 In mice, it has anticonvulsant activity against maximal electroshock seizure (MES) and pentylenetetrazole-induced maximal, but not minimal, seizures (ED50s = 19.6, 9.3, and >500 mg/kg, respectively). Zonisamide (40 mg/kg, p.o.) prevents MPTP-induced decreases in the levels of dopamine , but not homovanillic acid or dihydroxyphenyl acetic acid , and increases MPTP-induced decreases in the dopamine turnover rate in mouse striatum in a model of Parkinson's disease.6 Formulations containing zonisamide have been used in the treatment of partial seizures in adults with epilepsy. |1. Masuda, Y., Ishizaki, M., and Shimizu, M. Zonisamide: Pharmacology and clinical efficacy in epilepsy. CNS Drug Rev. 4(4), 341-360 (1998).|2. Rock, D.M., Macdonald, R.L., and Taylor, C.P. Blockade of sustained repetitive action potentials in cultured spinal cord neurons by zonisamide (AD 810, CI 912), a novel anticonvulsant. Epilepsy Res. 3(2), 138-143 (1989).|3. Suzuki, S., Kawakami, K., Nishimura, S., et al. Zonisamide blocks T-type calcium channel in cultured neurons of rat cerebral cortex. Epilepsy Res. 12(1), 21-27 (1992).|4. Nishimori, I., Vullo, D., Minakuchi, T., et al. Carbonic anhydrase inhibitors: Cloning and sulfonamide inhibition studies of a carboxyterminal truncated α-carbonic anhydrase from Helicobacter pylori. Bioorg. Med. Chem. Lett. 16(8), 2182-2188 (2006).|5. De Simone, G., Di Fiore, A., Menchise, V., et al. Carbonic anhydrase inhibitors. Zonisamide is an effective inhibitor of the cytosolic isozyme II and mitochondrial isozyme V: Solution and X-ray crystallographic studies. Bioorg. Med. Chem. Lett. 15(9), 2315-2320 (2005).|6. Yabe, H., Choudhury, M.E., Kubo, M., et al. Zonisamide increases dopamine turnover in the striatum of mice and common marmosets treated with MPTP. J. Pharmacol. Sci. 110(1), 64-68 (2009).

Zanapezil (TAK-147) is a powerful and selective inhibitor of acetylcholine esterase (AChE). It demonstrates significant and reversible inhibition of AChE activity in rat cerebral cortex homogenates (IC50 = 51.2 nM). Furthermore, Zanapezil exhibits moderate inhibition of muscarinic M1 and M2 receptor binding with Ki values of 234 and 340 nM, respectively. This compound holds promise for the investigation of the initial stages of Alzheimer's disease (AD).

Cortistatin-29 is a neuropeptide that is structurally similar to somatostatin-28. It is produced by cleavage of preprocortistatin to procortistatin, which is cleaved at dibasic amino acids to form cortistatin-29 and cortistatin-14 as well as other partial cleavage products. Cortistatin mRNA is expressed in the human brain and in interneurons of the rat hippocampus and cerebral cortex. Cortistatin-29 binds to somatostatin (SST) receptors with IC50 values of 2.8, 7.1, 0.2, 3, and 13.7 nM for SST1-5, respectively. Cortistatin-29 is found at similar levels as cortistatin-14 in mouse AtT20 cells but is secreted at a lower level. Cortistatin-29 corresponds to residues 85-112 of the rat peptide sequence.

18-Hydroxycortisol, a cortisol derivative and steroidogenic intermediate, is an endogenous steroid secreted by the adrenal cortex. It serves as a useful biochemical marker in primary aldosteronism (PA) research [1].

Fluorescent false neurotransmitter (FFN)