1. Signaling Pathways
  2. Immunology/Inflammation
  3. COX

COX

Cyclooxygenase

Cyclooxygenase (COX), officially known as prostaglandin-endoperoxide synthase (PTGS), is an enzyme that is responsible for formation of important biological mediators called prostanoids, including prostaglandins, prostacyclin and thromboxane. Pharmacological inhibition of COX can provide relief from the symptoms of inflammation and pain. Drugs, like Aspirin, that inhibit cyclooxygenase activity have been available to the public for about 100 years. Two cyclooxygenase isoforms have been identified and are referred to as COX-1 and COX-2. Under many circumstances the COX-1 enzyme is produced constitutively (i.e., gastric mucosa) whereas COX-2 is inducible (i.e., sites of inflammation). Non-steroidal anti-inflammatory drugs (NSAID), such as aspirin and ibuprofen, exert their effects through inhibition of COX. The main COX inhibitors are the non-steroidal anti-inflammatory drugs (NSAIDs).

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-78131CS
    Ibuprofen-d3 sodium
    ≥99.0%
    Ibuprofen-d3 (sodium) is the deuterium labeled Ibuprofen sodium[1].
    Ibuprofen-d<sub>3</sub> sodium
  • HY-B0261S
    Meloxicam-d3
    Inhibitor ≥99.0%
    Meloxicam-d3 is deuterium labeled Meloxicam. Meloxicam is a non-steroidal antiinflammatory agent, inhibits COX activity, with IC50s of 0.49 µM and 36.6 µM for COX-2 and COX-1, respectively[1].
    Meloxicam-d<sub>3</sub>
  • HY-N10913
    Chloranthalactone B
    Inhibitor
    Chloranthalactone B, a lindenane-type sesquiterpenoid, is a nature product that could be isolated from Chinese medicinal herb Sarcandra glabra. Chloranthalactone B inhibits the production of inflammatory mediators by inhibiting the AP-1 and p38 MAPK pathways.
    Chloranthalactone B
  • HY-N4028
    Hydrangenol
    Inhibitor 99.33%
    Hydrangenol is an orally active antiphotoaging compound. It can be isolated from Hydrangea serrata leaves. Hydrangenol prevents wrinkle formation by reducing MMP and inflammatory cytokine expression and increasing moisturizing factors and antioxidant genes level.
    Hydrangenol
  • HY-66005S1
    Acetaminophen-d3
    Inhibitor ≥99.0%
    Acetaminophen-d3 is the deuterium labeled Acetaminophen. Acetaminophen (Paracetamol) is a selective cyclooxygenase-2 (COX-2) inhibitor with an IC50 of 25.8 μM; is a widely used antipyretic and analgesic agent[1][2][3]. Acetaminophen is a potent hepatic N-acetyltransferase 2 (NAT2) inhibitor[4].
    Acetaminophen-d<sub>3</sub>
  • HY-B1221S1
    Flufenamic acid-13C6
    Inhibitor
    Flufenamic acid-13C6 is the 13C6 labeled Flufenamic acid. Flufenamic acid is a non-steroidal anti-inflammatory agent, inhibits cyclooxygenase (COX), activates AMPK, and also modulates ion channels, blocking chloride channels and L-type Ca2+ channels, modulating non-selective cation channels (NSC), activating K+ channels. Flufenamic acid binds to the central pocket of TEAD2 YBD and inhibits both TEAD function and TEAD-YAP-dependent processes, such as cell migration and proliferation.
    Flufenamic acid-<sup>13</sup>C<sub>6</sub>
  • HY-B0230S
    Phenylbutazone(diphenyl-d10)
    Inhibitor 98.70%
    Phenylbutazone(diphenyl-d10) is the deuterium labeled Phenylbutazone. Phenylbutazone is an efficient reducing cofactor for the peroxidase activity of prostaglandin H synthase (PHS). Phenylbutazone, a hepatotoxin, is a nonsteroidal anti-inflammatory agent (NSAID). Phenylbutazone induces muscle blind-like protein 1 (MBNL1) expression and has the potential for ankylosing spondylitis research[1][2].
    Phenylbutazone(diphenyl-d<sub>10</sub>)
  • HY-120824
    Mofezolac
    Inhibitor 99.34%
    Mofezolac, a non-steroidal anti-inflammatory drug (NSAID), is a selective, reversible and orally active COX-1 inhibitor with an IC50 of 1.44 nM. Mofezolac shows weak inhibitory activity on COX-2 (IC50 of 447 nM). Mofezolac can relieve pain and has anti-inflammatory activities.
    Mofezolac
  • HY-N10303
    Withangulatin A
    Inhibitor 99.76%
    Withangulatin A is a selective cyclooxygenase-2 (COX-2) inhibitor. Withangulatin A can be isolated from Physalis angulata L. Withangulatin A has anti-tumor, trypanocidal activity and anti-inflammatory function.
    Withangulatin A
  • HY-123823
    Nitroaspirin
    Inhibitor
    Nitroaspirin (NCX 4016) is a nitric oxide (NO) donor and a nitro-derivative of Aspirin, which combines with Nitroaspirin to inhibit cyclooxygenase. Nitroaspirin (NCX 4016) has antithrombotic and anti-platelet properties and acts as a direct and irreversible inhibitor of COX-1. Nitroaspirin (NCX 4016) causes significant induction of cell cycle arrest and apoptosis in Cisplatin-resistant human ovarian cancer cells via down-regulation of EGFR/PI3K/STAT3 signaling and modulation of Bcl-2 family proteins.
    Nitroaspirin
  • HY-14397S
    Indomethacin-d4
    Inhibitor 99.78%
    Indomethacin-d4 is a deuterium labeled Indomethacin. Indomethacin is a potent, blood-brain permeable and nonselective inhibitor of COX1 and COX2, with IC50s of 18 nM and 26 nM for human COX-1 and COX-2, respectively, in CHO cells[1]. Indomethacin disrupts autophagic flux by disturbing the normal functioning of lysosomes[2].
    Indomethacin-d<sub>4</sub>
  • HY-15028
    Otenaproxesul
    Inhibitor 98.03%
    Otenaproxesul (ATB-346), an orally active non-steroidal anti-inflammatory drug (NSAID), inhibits cyclooxygenase-1 and 2 (COX-1 and 2). Otenaproxesul possesses antiinflammatory and antinociceptive activities.
    Otenaproxesul
  • HY-B0578S
    Loxoprofen-d4
    Inhibitor 99.04%
    Loxoprofen-d4 is deuterium labeled Loxoprofen. Loxoprofen is a non-steroidal anti-inflammatory agent with analgesic and anti-pyretic properties. Loxoprofen sodium is a nonselective COX inhibitor with IC50s of 6.5 and 13.5 μM for COX-1 and COX-2, respectively[1][2].
    Loxoprofen-d<sub>4</sub>
  • HY-N8167
    Plantanone B
    Inhibitor 99.16%
    Plantanone B is a moderate antioxidant-agent with an IC50 of 169.8±5.2 μM. Plantanone B shows significant ovine COX-1 and moderate COX-2 inhibitory activities. Plantanone B has the potential for inflammation-related diseases research.
    Plantanone B
  • HY-114911
    Feprazone
    Inhibitor 99.88%
    Feprazone (DA2370; Prenazone), an analogue of Phenylbutazone (HY-B0230), is a nonsteroidal anti-inflammatory agent with analgesic and antipyretic activities. Feprazone acts by inhibiting the activity of cyclooxygenase (COX)-2. Feprazone ameliorates free fatty acid (FFA)-induced oxidative stress by reducing the production of mitochondrial reactive oxygen species (ROS). Feprazone can decrease the expression of MMP-2 and MMP-9. Besides, Feprazone can suppress adipogenesis and increase lipolysis in differentiating 3 T3-L1 cells. Feprazone also can be used to research atherosclerosis and obesity.
    Feprazone
  • HY-15036S1
    Diclofenac-13C6
    Inhibitor ≥99.90%
    Diclofenac-13C6 is the 13C6 labeled Diclofenac. Diclofenac is a potent and nonselective anti-inflammatory agent, acts as a COX inhibitor, with IC50s of 4 and 1.3 nM for human COX-1 and COX-2 in CHO cells, and 5.1 and 0.84 μM for ovine COX-1 and COX-2, respectively. Diclofenac induces apoptosis of neural stem cells (NSCs) via the activation of the caspase cascade.
    Diclofenac-<sup>13</sup>C<sub>6</sub>
  • HY-U00175
    Pamicogrel
    Inhibitor 99.44%
    Pamicogrel (KBT3022) is a cyclooxygenase (COX) inhibitor.
    Pamicogrel
  • HY-N1380S1
    Guaiacol-d3
    Inhibitor ≥99.0%
    Guaiacol-d3 is the deuterium labeled Guaiacol. Guaiacol, a phenolic compound, inhibits LPS-stimulated COX-2 expression and NF-κB activation. Guaiacol has an anti-inflammatory activity[1].
    Guaiacol-d<sub>3</sub>
  • HY-119304
    GW-406381
    Inhibitor 99.69%
    GW406381, a highly selective cyclooxygenase-2 (COX-2) inhibitor, attenuates spontaneous ectopic discharge in sural nerves of rats following chronic constriction injury.
    GW-406381
  • HY-B0261S2
    Meloxicam-13C,d3
    Inhibitor
    Meloxicam-13C,d3 is deuterium labeled Meloxicam. Meloxicam is a non-steroidal antiinflammatory agent, inhibits COX activity, with IC50s of 0.49 µM and 36.6 µM for COX-2 and COX-1, respectively.
    Meloxicam-<sup>13</sup>C,d<sub>3</sub>
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