نتایج جستجو برای: 4 hydroxy 2 nonenal
تعداد نتایج: 3126698 فیلتر نتایج به سال:
We previously reported that cardiac reperfusion results in declines in mitochondrial NADH-linked respiration. The degree of inactivation increased with age and was paralleled by modification of protein by the lipid peroxidation product 4-hydroxy-2-nonenal. To gain insight into potential sites of oxidative damage, the present study was undertaken to identify specific mitochondrial protein(s) ina...
Alzheimer disease elevates lipid peroxidation in the brain and data indicate that the resulting lipid-aldehydes are pathological effectors of lipid peroxidation. The disposition of 4-substituted nonenals derived from arachidonate (20:4, n-6) and linoleate (18:2, n-6) oxidation is modulated by their protein adduction targets, their metabolism, and the nature of the 4-substitutent. Trans-4-oxo-2-...
In unstimulated cells, transcription factor NF-kappaB is retained in the cytoplasm by interaction with the inhibitory protein, IkappaBalpha. Appropriate cellular stimuli inactivate IkappaBalpha by phosphorylation, ubiquination, and proteolytic degradation, which allows NF-kappaB to translocate to the nucleus and modulate gene expression. 4-Hydroxy-2-nonenal (HNE), a major lipid peroxidation pro...
Several pieces of evidence indicate that albumin modified by HNE is a promising biomarker of systemic oxidative stress and that HNE-modified albumin may contribute to the immune reactions triggered by lipid peroxidation-derived antigens. In this study, we found by HPLC analysis that HNE is rapidly quenched by human serum albumin (HSA) because of the covalent adduction to the different accessibl...
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