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trans-4-Hydroxy-2-nonenal (HNE) is an aldehyde end-product of lipid peroxidation in biological systems which is capable of producing a range of powerful biological effects. We wish to describe a sensitive and selective strategy for the determination of HNE in biological samples. The method is based on the formation of the O-pentafluorobenzyl (O-PFB) oxime(More)
Platelet function and serum lipid studies were conducted on nine healthy male subjects before and two hours after three separate meals, two of which were rich in fat: saturated fat (SF) or polyunsaturated fat (PUF), and a third control meal which contained no fat. Platelet activity was assessed by determination of in vivo platelet aggregate formation, and(More)
(E)-4-Hydroxy-2-nonenal (HNE), a cytotoxic end-product of lipid peroxidation, is present in significant amounts in human semen (0.902 +/- 0.190 microM; mean +/- s.e.; n = 18). The addition of the divalent cation ionophore A23187 to suspensions of human spermatozoa resulted in increased production of HNE. Exogenous HNE was powerfully spermicidal and as(More)
Interactions between altered lipoproteins and platelets may be important in atherosclerosis lesion formation and thrombosis. The aims of this study were to compare the effects of oxidatively modified and native low density lipoproteins (LDL) and high density lipoproteins (HDL) on platelet responses in the presence and absence of other platelet agonists, and(More)