ht22

B355252 protects against cell death caused by glutamate-evoked oxidative stress. B355252 shows neuroprotective effect, potentiating nerve growth factor (NGF)-induced neurite outgrowth.

(-)-Epigallocatechin Gallate (EGCG) is a phenolic antioxidant polyphenol flavonoid found in plants such as green and black tea, which inhibits telomerase and DNA methyltransferase, blocks the activation of EGF receptors and HER-2 receptors, inhibits cellular oxidation, and prevents free radical damage to cells.

Ferrostatin-1 (Fer-1) is a potent and selective inhibitor of iron death. Ferrostatin-1 potently inhibits Erastin-induced iron death in HT-1080 cells with an EC50 of 60 nM. Ferrostatin-1 also exhibits antioxidant and antifungal activities.

GNF4877 is a potent inhibitor of DYRK1A and GSK3β (IC50s: 6 nM and 16 nM, respectively), resulting in the blockade of nuclear export of nuclear factor of activated T-cells (NFATc) and increased β-cell proliferation.

Aloenin B, a compound isolated from the leaves and roots of Aloe vera, has neuroprotective activity against glutamate-induced neuronal death in HT22 cells.

CMS-121, a quinolone derivative, is an orally active acetyl-CoA carboxylase 1 (ACC1) inhibitor. CMS-121 protects HT22 cells against ischemia and oxidative damage (EC50: 7 nM and 200 nM). CMS-121 shows strong neuroprotective, antioxidative, anti-inflammatory, and renoprotective activities.

GIF-0726-r is a novel compound that inhibits the accumulation of reactive oxygen species (ROS). In preclinical trials, this compound has been shown to protect the mouse hippocampal cell line HT22, combating oxidative stress and ferroptosis damage.

RC363 is an inhibitor of ferroptosis and a derivative of the antioxidant and hypocholesterolemic agent probucol .1It reduces 2,2-diphenyl-1-picrylhydrazyl radicals by approximately 40% in a cell-free assay when used at a concentration of 25 μM. RC363 prevents glutamate-induced toxicity in HT22 cultured hippocampal cells (IC50= 234.5 nM) but does not reduce oxidant levels in these cells. It increases the levels of glutathione peroxidase 1 (GPX1) and the activity of GPX in glutamate-challenged HT22 cells when used at a concentration of 3 μM. RC363 inhibits ferroptosis induced by the GPX4 inhibitor RSL3 in HT22 cells (IC50= 173.6 nM). 1.Bueno, D.C., Canto, R.F.S., de Souza, V., et al.New probucol analogues inhibit ferroptosis, improve mitochondrial parameters, and induce glutathione peroxidase in HT22 cellsMol. Neurobiol.57(8)3273-3290(2020)

RC574 is an inhibitor of ferroptosis and a derivative of the antioxidant and hypocholesterolemic agent probucol .1It inhibits glutamate-induced cell death in HT22 cells (IC50= 276.2 nM) and mouse primary cortical neurons when used at a concentration of 3 μM. RC574 (3 μM) increases glutathione peroxidase 1 (GPX1) levels and GPX activity, as well as inhibits glutamate-induced mitochondrial superoxide anion production, in HT22 cells. It completely inhibits ferroptosis induced by the GPX4 inhibitor RSL3 in HT22 cells when used at concentrations ranging from 62.5 to 1,000 nM. 1.Bueno, D.C., Canto, R.F.S., de Souza, V., et al.New probucol analogues inhibit ferroptosis, improve mitochondrial parameters, and induce glutathione peroxidase in HT22 cellsMol. Neurobiol.57(8)3273-3290(2020)

Jatrorrhizine chloride (Neprotine chloride) is a potent and orally active uptake-2 transporter inhibitor. It exhibits a critical neuroprotective role in H2O2-induced apoptosis via inhibition of the MAPK pathway in HT22 hippocampal neurons.

1. Isocorynoxeine (7-Isocorynoxeine) shows the effects of lowering blood pressure, vasodilatation, and protection against ischemia-induced neuronal damage. 2. Isocorynoxeine exhibits a significant neuroprotective effect against glutamate-induced HT22 cell death at the maximum concentration.

CP21 is an iron chelator that binds to iron in a 3:1 (ligand:iron) ratio. It is active against P. falciparum when used at concentrations of 10 and 100 µM. CP21 inhibits production of prostaglandin I2 induced by epinephrine, arachidonic acid, or A23187 in isolated rat aortic rings with IC50 values of 1.3, 1.3, and 1.4 mM, respectively. It inhibits glutamate-induced oxytosis, as well as decreases iodoacetic acid-induced cytotoxicity in an in vitro model of ischemia, in HT22 mouse hippocampal cells (EC50s = 13 and 9.5 µM, respectively). CP21 (200 mg kg) increases the excretion of iron, but not copper, zinc, calcium, or magnesium, in rabbits.

Compound 3, 2,5-Dihydroxy-4-methoxyacetophenone, is isolated from the 80% methanol extract of the roots of Cynanchum paniculatum Kitagawa and has been shown to inhibit glutamate-induced cytotoxicity in the hippocampal HT22 cell line [1].

Aβ42 Agonist-2 (compound 7b), a small molecule, facilitates the aggregation of Aβ42 by interacting with Aβ42 oligomers and pentamers, enhancing the self-assembly of nontoxic aggregates and accelerating fibril formation. Additionally, Aβ42 Agonist-2 prevents Aβ42-induced cytotoxicity in HT22 hippocampal neuronal cells [1].

(+)-Afzelechin (Afzelechin) is isolated from Eysenhardtia subcoriacea. It is an α-glucosidase activity inhibitor, offering neuroprotective effects against glutamate-induced neurotoxicity in HT22 cells and improving reduced glutathione levels in rat pancreas homogenates.

Effusol is a natural product, exhibits potent scavenging activity for DPPH and ABTS radicals(IC50 values of 79 μM and 2.73 μM, respectively). Effusol rescues CA1 LTP attenuated by corticosterone, defending the hippocampal function against stress-induced cognitive decline. Effusol can induce caspase-3-mediated cytotoxicity in HT22 cells.

1,7-Diphenyl-4-hepten-3-one is a compound isolated from Alpinia officinarum, which activates the Nrf2 pathway to suppress pyroptosis. It alleviates cognitive impairment and pathological damage in APP/PS1 mice and prevents oxidative stress damage while reducing levels of pyroptosis-related proteins. 1,7-Diphenyl-4-hepten-3-one enhances Aβ-induced proliferation in HT22 cells and can be used in Alzheimer’s disease research.

Morachalcone A displays significant tyrosinase inhibitory activity (IC50, 0.013 uM); it also exerts strong pancreatic lipase inhibition with IC 50 value of 6.2 uM. Morachalcone A exhibits neuroprotective effects on HT22-immortalized hippocampal cells agai

Nudiposide has significant neuroprotective activities against glutamate-injured neurotoxicity in HT22 cells. It also exhibits protective effect against sepsis in a mouse model and can decrease the plasma levels of TNF-α, IL-10 and ALT activity.

Sanggenol O is an active compound extracted from Morus alba, exhibiting hepatoprotective and neuroprotective activities with EC50 values exceeding 80 μM in HepG2 and HT22 cells [1].