different between isoprostane vs isofuran

English

isoprostane (plural isoprostanes)

(biochemistry) Any of various prostaglandin-like compounds formed in vivo from the free radical-catalyzed peroxidation of essential fatty acids (primarily arachidonic acid) without the direct action of cyclooxygenase enzyme.

iso- +? furan

isofuran (plural isofurans)

(biochemistry) Any of various nonclassic eicosanoids formed nonenzymatically by free radical mediated peroxidation of arachidonic acid, similar to the isoprostanes but with a substituted tetrahydrofuran ring.

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