Date published: 2025-9-5

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12-LO Inhibitors

12-LO inhibitors encompass a diverse range of chemicals, both naturally occurring and synthetic, which inhibit the activity of 12-lipoxygenase (12-LO), an enzyme involved in the metabolism of arachidonic acid into bioactive lipid mediators. These inhibitors function by different mechanisms, including directly blocking the active site of the enzyme or indirectly influencing the availability of its substrate. Direct inhibitors of 12-LO such as Baicalein, Nordihydroguaiaretic acid, Cinnamyl-3,4-dihydroxy-α-cyanocinnamate, Esculetin, Ebselen, Caffeic acid, Quercetin, Green tea polyphenols, and Curcumin bind to the enzyme's active site, blocking the conversion of arachidonic acid into 12-HETE. These compounds vary widely in their origins and structures, from flavonoids and polyphenols found in plants, to synthetic compounds.Beyond directinhibition, certain compounds can indirectly influence 12-LO activity by modulating the availability of its substrate, arachidonic acid. For instance, Zileuton, a leukotriene inhibitor, reduces the amount of leukotrienes, which can be further metabolized by 12-LO. Similarly, Licofelone, a dual COX/LOX inhibitor, decreases the production of other metabolites of arachidonic acid, indirectly impacting the activity of 12-LO. Lastly, omega-3 fatty acids, abundant in fish oil, compete with arachidonic acid for metabolism by LOX enzymes, effectively reducing the availability of arachidonic acid for 12-LO. In conclusion, 12-LO inhibitors illustrate the interplay of direct and indirect strategies to modulate enzyme activity, demonstrating the abilities of a range of chemicals, both natural and synthetic, to influence the function of 12-LO and the broader arachidonic acid metabolic pathway. As our understanding of these complex biochemical pathways deepens, the specificity, efficacy, and scope of these inhibitor compounds can be better appreciated and utilized.

Items 11 to 20 of 20 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Ebselen

60940-34-3sc-200740B
sc-200740
sc-200740A
1 mg
25 mg
100 mg
$32.00
$133.00
$449.00
5
(1)

Ebselen is a selenium-containing compound that can inhibit 12-LO by binding to the enzyme's active site, thereby blocking the conversion of arachidonic acid to 12-HETE.

2-TEDC

132465-10-2sc-203772
sc-203772A
10 mg
50 mg
$128.00
$536.00
1
(0)

2-TEDC functions as a 12-lipoxygenase modulator, characterized by its unique ability to form stable complexes with enzyme active sites. Its structural conformation promotes selective binding, influencing the enzyme's catalytic activity and substrate specificity. The compound's reactivity enables it to participate in intricate molecular interactions, potentially altering lipid peroxidation pathways and modulating oxidative stress responses within cellular environments. This specificity highlights its role in lipid biochemistry.

CDC

132465-11-3sc-200562
sc-200562A
10 mg
50 mg
$75.00
$309.00
1
(1)

CDC acts as a potent 12-lipoxygenase inhibitor, distinguished by its capacity to disrupt enzyme-substrate interactions through competitive binding. Its unique steric configuration allows for precise alignment within the active site, effectively altering the enzyme's kinetics and reducing product formation. This modulation can lead to significant shifts in lipid metabolism, impacting cellular signaling pathways and influencing the overall balance of inflammatory mediators in biological systems.

Zileuton

111406-87-2sc-204417
sc-204417A
sc-204417B
sc-204417C
10 mg
50 mg
1 g
75 g
$82.00
$301.00
$362.00
$1229.00
8
(1)

Zileuton is a leukotriene inhibitor that inhibits 5-lipoxygenase, reducing leukotriene production. This indirectly inhibits 12-LO by reducing the availability of leukotrienes, which can be further metabolized by 12-LO.

3,4-Dihydroxyphenyl Ethanol

10597-60-1sc-202887
10 mg
$110.00
6
(1)

3,4-Dihydroxyphenyl Ethanol exhibits notable inhibitory effects on 12-lipoxygenase, primarily through its ability to form stable complexes with the enzyme. Its hydroxyl groups facilitate hydrogen bonding, enhancing binding affinity and altering the enzyme's conformational dynamics. This interaction not only slows the catalytic activity but also influences the downstream signaling cascades, potentially reshaping lipid-derived mediator profiles and cellular responses in various biological contexts.

Baicalein Monohydrate

352000-07-8sc-503250
500 mg
$330.00
(0)

Baicalein Monohydrate, a flavonoid compound, demonstrates remarkable reactivity as a 12-lipoxygenase (12-LO) inhibitor. Its structural features enable effective coordination with metal ions, influencing catalytic pathways. The compound's ability to form stable complexes through non-covalent interactions, such as hydrogen bonds and van der Waals forces, enhances its selectivity in biochemical processes. Additionally, its solubility in various solvents allows for diverse applications in reaction media, showcasing its versatility in chemical research.

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$108.00
$245.00
$918.00
$49.00
33
(2)

Quercetin is a flavonoid that directly inhibits 12-LO. It binds to the enzyme's active site, preventing the transformation of arachidonic acid into 12-HETE.

Polyphenon 60 from green tea

138988-88-2sc-250743
25 g
$97.00
(0)

Green tea polyphenols are a group of compounds found in green tea that can inhibit 12-LO. They bind to the enzyme′s active site, preventing the conversion of arachidonic acid to 12-HETE.

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$36.00
$68.00
$107.00
$214.00
$234.00
$862.00
$1968.00
47
(1)

Curcumin is a polyphenol found in turmeric that can inhibit 12-LO. It binds to the enzyme's active site, preventing the oxygenation of arachidonic acid to 12-HETE.

Licofelone

156897-06-2sc-207826
sc-207826A
sc-207826B
sc-207826C
5 mg
250 mg
1 g
4 g
$112.00
$255.00
$826.00
$3274.00
4
(1)

Licofelone is a dual COX/LOX inhibitor that can inhibit 5-LOX and COX-2. By reducing the production of leukotrienes (5-LOX products) and prostaglandins (COX-2 products), this indirectly affects 12-LO by decreasing the availability of substrates that can be further metabolized by 12-LO.