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Decrease and structural modifications of phosphatidylethanolamine plasmalogen in the brain with Alzheimer disease.
TLDR
Both the vinyl ether bond of phosphatidylethanolamine plasmalogen and polyunsaturated fatty acids are major targets in oxidative stress; thus, these specific lipid modifications strongly support the involvement of free radicals in the pathogenesis of AD.
Regulation of ubiquinone metabolism.
Coenzyme Q– responsive Leigh's encephalopathy in two sisters
TLDR
It is suggested that coenzyme Q10 deficiency can present as adult Leigh's syndrome.
A New Member of the Family of Di-iron Carboxylate Proteins
TLDR
This work cloned COQ7 from Pseudomonas aeruginosa and Thiobacillus ferrooxidans and shows that indeed this gene complements an Escherichia coli mutant that lacks an unrelated 5-demethoxyubiquinone hydroxylase, and proposes a structural model for Coq7 as an interfacial integral membrane protein.
4-Nitrobenzoate inhibits coenzyme Q biosynthesis in mammalian cell cultures.
TLDR
4-nitrobenzoate inhibited 4-hydroxybenzosate:polyprenyl transferase (Coq2) in a competitive manner and dose-dependently decreased Q in mammalian cells without accumulation of Q intermediates, and should prove a valuable tool for studies on both Q deficiency and Q supplementation.
Influence of chronic fluorosis on membrane lipids in rat brain.
Separation and quantitation of phospholipids and their ether analogues by high-performance liquid chromatography.
TLDR
By inclusion of 5 mM ammonium sulfate in the aqueous phase, this work was able to substantially improve the chromatographic resolution and obtain complete separation of phospholipids on high-performance liquid chromatography silica columns.
Peroxisomal Impairment in Niemann-Pick Type C Disease*
TLDR
It appears that the peroxisomal impairment is an early event in the process and could be a factor in the development of Niemann-Pick type C disease.
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