Eicosanoids on Wikipedia
"In biochemistry, eicosanoids are signaling molecules made by oxidation of twenty-carbon essential fatty acids, (EFAs). They exert complex control over many bodily systems, mainly in inflammation or immunity, and as messengers in the central nervous system. The networks of controls that depend upon eicosanoids are among the most complex in the human body.
Eicosanoids derive from either omega-3 (?-3) or omega-6 (?-6) EFAs. The ?-6 eicosanoids are generally pro-inflammatory; ?-3's are much less so. The amounts and balance of these fats in a person's diet will affect the body's eicosanoid-controlled functions, with effects on cardiovascular disease, triglycerides, blood pressure, and arthritis. Anti-inflammatory drugs such as aspirin and other NSAIDs act by downregulating eicosanoid synthesis.
There are four families of eicosanoids—the prostaglandins, prostacyclins, the thromboxanes and the leukotrienes. For each, there are two or three separate series, derived either from an ?-3 or ?-6 EFA. These series' different activities largely explain the health effects of ?-3 and ?-6 fats."
"Reducing inflammation with diet: The Story of Eicosanoid Inhibition", Institute for Traditional Medicine (2003)
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