TITLE

Lack of association between oxidized LDL-cholesterol concentrations and haptoglobin phenotypes in healthy subjects

AUTHOR(S)
Lee, Yong-Wha; Min, Won-Ki; Chun, Sail; Lee, Woochang; Park, Hyosoon; Lee, You Kyoung; Lee, Do Hoon; Son, Ji Eun
PUB. DATE
November 2004
SOURCE
Annals of Clinical Biochemistry;Nov2004, Vol. 41 Issue 6, p485
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: The haptoglobin (Hp) 2-2 phenotype has been known to have less antioxidative activity than Hp 1-1 and Hp 2-1. However, few have reported the relationship between oxidative stress and Hp phenotypes by using oxidized LDL. The relationship between Hp phenotypes and oxidative stress was therefore investigated in healthy adults. Methods: The serum Hp concentrations, albumin, uric acid, iron, L-ascorbic acid, total antioxidant status and oxidized LDL concentrations were measured and analysed in 200 healthy Korean men and women with Hp 2-1 and Hp 2-2 phenotypes. Results: The serum concentrations of Hp were significantly higher in the Hp 2-1 compared with the Hp 2-2 phenotype. However, serum concentrations of total antioxidant status and oxidized LDL did not show any statistical differences in either sex. The L-ascorbic acid concentrations in serum showed lower values in the Hp 2-2 compared with the Hp 2-1 phenotype, for both sexes (P < 0.05). Conclusions: The concentration of L-ascorbic acid, the first line antioxidant, was lower in the Hp 2-2 than in the Hp 2-1 phenotype; this did not significantly affect the total antioxidant status, and there was no significant difference in oxidized LDL for either group in healthy adults.
ACCESSION #
22630853

 

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