The 4-hydroxynonenal mediated oxidative damage of blood proteins and lipids involves secondary lipid peroxidation reactions.

Abstract:

:Lipid peroxidation is associated with several metabolic diseases. Lipid peroxidation causes cellular damage through reactive aldehyde species such as 4-hydroxyonenal (4-HNE). The exact mechanism(s) by which 4-HNE causes damage in the intravascular compartment is not yet exactly understood. Using an in vitro system, the damage induced by 4-HNE on the blood was investigated by measuring protein carbonyl groups and thiobarbituric acid reactive substances (TBARS) following 4-HNE treatment. The findings demonstrated that treatment with 4-HNE increased the carbonylation of protein and the formation of TBARS in the blood plasma. It was also tested whether phenelzine, a scavenger of aldehyde species, or U-83836E, a scavenger of lipid peroxy radicals, attenuated the damage caused by 4-HNE. It was demonstrated that phenelzine or U-83836E both mitigated the effects of 4-HNE on the proteins and the lipids of the blood plasma. The findings of the current study suggest that phenelzine, U-83836E or functionally similar therapeutics may prevent or treat diseases that involve an increased production of 4-HNE in the intravascular compartment.

journal_name

Exp Ther Med

authors

Mustafa AG,Alfaqih MA,Al-Shboul O

doi

10.3892/etm.2018.6419

subject

Has Abstract

pub_date

2018-09-01 00:00:00

pages

2132-2137

issue

3

eissn

1792-0981

issn

1792-1015

pii

ETM-0-0-6419

journal_volume

16

pub_type

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