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H3R receptor antagonistic activity

" in MedChemExpress (MCE) Product Catalog:
Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-178016
    H3R antagonist 8

    		Histamine Receptor Neurological Disease
    H3R antagonist 8 is a selective nonimidazole histamine H3 receptor antagonist (IC50 = 0.35 μM). H3R antagonist 8 exhibits hERG channel blockade activity (IC50 = 0.67 μM). H3R antagonist 8 inhibits seizures by antagonizing H3 receptor. H3R antagonist 8 reduces tonic hind limb extension (THLE) in mice in the maximal electroshock seizure (MES) model (ED50 = 20.21 mg/kg) and and shortens pentylenetetrazol (PTZ)-induced total movement distance in AB strain zebrafish larvae. H3R antagonist 8 can be used for the study of epilepsy .
    H3R antagonist 8
  • HY-175367
    H3R antagonist 6

    		Histamine Receptor Sigma Receptor Neurological Disease
    H3R antagonist 6 (Compounds 3) (H3-2406) is a Histamine receptor 3 (H3R) antagonist with an IC50 of 5.6 nM. H3R antagonist 6 labeled with 18F has high radiochemical yield, molar activity and moderate brain uptake, but with an off-target binding to the Sigma-1 receptor. H3R antagonist 6 can be used as a PET radioligand for positron emission tomography imaging for central nervous system (CNS) disorders research .
    H3R antagonist 6
  • HY-162812
    H3R antagonist 4

    		Apoptosis Cholinesterase (ChE) Tau Protein Ferroptosis Histamine Receptor Neurological Disease
    H3R antagonist 4 (compound 11L) was a dual inhibitor of cholinesterase and histamine receptor (H3R), with corresponding IC50 of 7.04 μM (eeAChE), 9.73 μM (hAChE)(reversible) and 1.09 nM (H3R) , respectively. H3R antagonist 4 inhibited the aggregation of Aβ1-42 induced by itself and Cu 2+ (95.48% and 88.63%) , and degraded the Aβ1-42 fibrils induced by itself and Cu 2+ (80.16% and 89.30%) . H3R antagonist 4 chelate biometals such as Cu 2+, Zn 2+, Al 3+, and Fe 2+. H3R antagonist 4 significantly reduced tau protein hyperphosphorylation induced by Aβ1-42 and inhibited RSL-3-induced apoptosis and ferroptosis in PC12 cells. H3R antagonist 4 had the best blood-brain barrier permeability and intestinal absorption in hCMEC/D3 and hPepT1-MDCK cells.H3R antagonist 4 ameliorates learning and memory impairment in a mouse model of Alzheimer's disease induced by scopolamine (HY-N0296) .
    H3R antagonist 4

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