memory impairment

Androsta-1,4,6-triene-3,17-dione is a lipophilic and specific aromatase inhibitor (Ki: 0.18 μM) that inhibits estrogen biosynthesis, exhibits antifertility effects, and induces impairment of spatial memory.

CGP 3466B maleate (Omigapil maleate) is an orally bioavailable GAPDH nitrosylation inhibitor. Omigapil maleate abrogates Aβ1-42-induced tau acetylation, memory impairment, and locomotor dysfunction in mice. Omigapil maleate has the potential for the research of Alzheimer's disease. Omigapil maleate (CGP3446B maleate) is a apoptosis inhibitor. Omigapil maleate can be used for the research of congenital muscular dystrophy (CMD).

Amantadine hydrochloride (CI-719) is an antiviral that is used in the prophylactic or symptomatic treatment of influenza A and Parkinson disease.

Amantadine (1-Aminoadamantane) is an antiviral, is a weak antagonist of the NMDA-type glutamate receptor, increases dopamine release, and blocks dopamine reuptake.

Tetrahydroxystilbene-2-O-β-D-glucoside (EH-201) is a low MW inducer of erythropoietin. Tetrahydroxystilbene-2-O-β-D-glucoside induces expression of erythropoietin, PPAR-γ coactivator 1α (PGC-1α) and haemoglobin in astrocytes and PC12 neuronal-like cells. In vivo, Tetrahydroxystilbene-2-O-β-D-glucoside treatment restores memory impairment, as assessed by the passive avoidance test, in SD, Aβ and KA mouse models. In the hippocampus of mice given Tetrahydroxystilbene-2-O-β-D-glucoside in their diet, levels of erythropoietin, PGC-1α and haemoglobin were increased. Treatment with Tetrahydroxystilbene-2-O-β-D-glucoside might be a therapeutic strategy for memory impairment in neurodegenerative disease, physiological ageing or traumatic brain injury.

TZ3O is an anticholinergic compound with neuroprotective activity.TZ3O ameliorates memory impairment and cognitive decay in Scopolamine-induced Alzheimer's type model in rats, and can be used in the study of Alzheimer's disease.

RU 47213 can be used to inhibit scopolamine-induced working memory impairment in rats.

Tenuifoliside B is a natural product from the roots of Polygala tenuifolia.And is a target lactate dehydrogenase inhibitor. Tenuifoliside B has cognitive improving and cerebral protective effects. it can inhibit potassium cyanide (KCN)-induced hypoxia and scopolamine-induced memory impairment in mice.

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)

PKCζ/ι pseudosubstrate inhibitor demonstrates comprehensive inhibitory activity across the protein kinase C (PKC) family and is associated with the induction of memory impairment [1].

4′-Demethylnobiletin, a bioactive metabolite, activates the PKA/ERK/CREB signaling pathway, enhances CRE-mediated transcription in hippocampal neurons, and reverses memory impairment linked to NMDA receptor antagonism through ERK signaling stimulation [1].

S 17092 (S 17092-1) is a potent inhibitor of cerebral prolyl-endopeptidase (PEP) with an IC50 value of 1.2 nM, used in research on memory impairment and cognitive disorders related to cerebral aging [1].

WAY-215718 is an active molecule. It is a potent and selective serotonin 5-HT6 receptor antagonist, exhibiting significant efficacy in targeting cognitive impairment and memory enhancement [5HT6]. Its pharmacological profile includes high binding affinity and specificity to the 5-HT6 receptor, making it a promising candidate for therapeutic use in neurodegenerative diseases and psychiatric disorders.

sEH/AChE-IN-2 and acetylcholinesterase ( AChE ). sEH/AChE-IN-2 provides cumulative effects against neuroinflammation and memory impairment. sEH/AChE-IN-2 has the potential for the research of Alzheimer's disease (AD) .

S-8510 is a GABA-A receptor inverse agonist. S-8510 selectively potentiated pentylenetetrazol-induced convulsion without affecting minimal electroconvulsive shock- or strychnine-induced convulsion in ddY mice. S-8510 ameliorated memory impairment induced

Yhhu-3792 activates Notch signaling pathway and promotes the expression of Hes3 and Hes5. Yhhu-3792 enhanced the self-renewal ability of neural stem cells (NSCs), expanded the NSC pool and promoted endogenous neurogenesis in the dentate gyrus (DG) of the hippocampus in mice. Yhhu-3792 can improve the situational and spatial memory ability of mice. Yhhu-3792 has research potential in DG dysfunction related to memory impairment.

sEH AChE-IN-1 (Compound 12a) is a dual inhibitor of soluble epoxide hydrolase (sEH) and acetylcholinesterase (AChE) with potential research applications in Alzheimer's disease (AD) due to its cumulative effect against neuroinflammation and memory impairment.

Soyasaponin Ba may represent viable candidates for effective vaccine adjuvants due to their higher and lower or non-haemolytic effects.Soyasaponins Ab and Bb prevent scopolamine-induced memory impairment in mice without the inhibition of acetylcholinester

Exendin (5-39) is a potent antagonist of the glucagon-like peptide 1 (GLP-1) receptor that can ameliorate memory impairment in rats treated with β-amyloid protein.

WLB-89462 (Compound 20c) is a selective σ2 receptor ligand with a K i of 13 nM, demonstrating neuroprotective properties and the capacity to ameliorate Aβ peptide-induced short-term memory impairment in rats. It exhibits a favorable ADMET profile, featuring good solubility, lack of CYP inhibition, strong metabolic stability, high permeability, effective brain penetration, and significant oral exposure in rodent models [1].

T-82 is an acetylcholinesterase inhibitor that may ameliorate the impairment of memory induced by acetylcholinergic dysfunction.

Davunetide, an eight-amino-acid peptide (NAPVSIPQ), demonstrates potent neuroprotection in vitro and in vivo, enhances functional daily behaviors in schizophrenia patients, and increases memory scores in individuals with amnestic mild cognitive impairment.

Chemerin-9 (149-157) TFA is a potent CMKLR1 (chemokine-like receptor 1) agonist with anti-inflammatory properties. It activates phosphorylation of Akt and ERK and induces ROS production, beneficially modulating immune responses, adipocyte differentiation, and glucose metabolism. Additionally, it has been shown to alleviate Aβ 1-42-induced memory impairment, highlighting its therapeutic potential [1] [2] [3] [4].

MK-0952 is a selective PDE4 inhibitor used to treat long-term memory loss and mild cognitive impairment. It is an intrinsically potent inhibitor and has shown limited whole blood activity.

PZ-1922 (Compound 16), able to cross the blood-brain barrier, is a dual antagonist for 5-HT6R and 5-HT3R with K i values of 17 nM and 0.45 nM, respectively. It also reversibly inhibits MAO-B with a pIC50 of 8.93. Moreover, PZ-1922 mitigates scopolamine (SCOP)-induced memory deficits in rats as observed in the novel object recognition (NOR) test and hinders Aβ-induced memory impairment in the T-maze test [1].

Cortistatin-14, a neuropeptide structurally similar to growth inhibitor-14, has anticonvulsant and neuroprotective effects and impairs recognition memory consolidation in mice through activation of sst(2), growth hormone-releasing peptide, and GABA(A B) receptor, which can be used to study sepsis-induced cognitive impairment.

Tau-aggregation and neuroinflammation-IN-1 is a potent inhibitor of tau protein aggregates, showing significant inhibitory activity against AcPHF6 and full-length tau protein aggregates. It has anti-inflammatory activity, reduces NO release, exhibits low cytotoxicity against LSP-stimulated BV2 cells, and reverses okadaic acid-induced memory impairment in rats.

1. Spinosin (Flavoayamenin) ameliorated memory impairment induced through AβO, the serotonergic neurotransmitter system, and these effects were regulated, in part, through neuroprotective activity via the anti-inflammatory effects of Spinosin. 2. Spinosin exerts anxiolytic-like effects, and its mechanism of action appears to be modulated by GABAA and 5-HT1A receptors. 3. There was a wide brain regional tissue distribution of Spinosin. The concentrations of Spinosin in corpus striatum and hippocampus were higher than that in other areas.