12-Hydroxyeicosatetraenoic acid

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12-Hydroxyeicosatetraenoic acid[edit]

Chemical structure of 12-Hydroxyeicosatetraenoic acid

12-Hydroxyeicosatetraenoic acid (12-HETE) is a hydroxyeicosatetraenoic acid derived from the arachidonic acid metabolism. It is a biologically active lipid that plays a significant role in various physiological and pathological processes.

Biosynthesis[edit]

12-HETE is primarily synthesized through the action of the enzyme 12-lipoxygenase on arachidonic acid. This enzyme catalyzes the oxygenation of arachidonic acid to produce 12-HETE. The process involves the insertion of molecular oxygen into the arachidonic acid substrate, resulting in the formation of a hydroperoxide intermediate, which is subsequently reduced to 12-HETE.

Biological Functions[edit]

12-HETE is involved in several biological functions, including:

  • Inflammation: 12-HETE is known to modulate inflammatory responses. It can act as a chemotactic agent for neutrophils and other immune cells, contributing to the recruitment of these cells to sites of inflammation.
  • Cancer: 12-HETE has been implicated in the progression of certain types of cancer. It can promote tumor growth and metastasis by influencing cell proliferation, migration, and survival.

Pathological Implications[edit]

The dysregulation of 12-HETE production and signaling has been associated with various diseases, including:

  • Asthma: Elevated levels of 12-HETE have been observed in patients with asthma, suggesting a role in airway inflammation and hyperresponsiveness.

Related Compounds[edit]

12-HETE is part of a larger family of hydroxyeicosatetraenoic acids, which includes:

These compounds are also derived from arachidonic acid and have distinct biological activities.

Related Pages[edit]

12-Hydroxyeicosatetraenoic acid[edit]

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