Serum cholesterol positively associated with oxidative DNA damage: a propensity score-matched analysis.

Abstract:

:Oxidative DNA damage pathogenically links to some major diseases. This study aimed to comprehensively assess the association between serum total cholesterol (TC) and oxidative DNA damage based on propensity score matching (PSM) method. A total of 407 participants chronically exposed to arsenic via drinking water from China were enrolled. Oxidative DNA damage was determined with urinary 8-hydroxy-2'-deoxyguanosine (8-OHdG). Serum TC was classified into favourable TC (FTC, TC <5.18 mmol/L) and unfavourable TC (NFTC, TC ≥5.18 mmol/L) categories. Multivariable generalised linear regression model was applied to examine the association. Of 407 participants, 125 pairs with FTC and NFTC subjects were matched using PSM. Urinary 8-OHdG/creatinine levels in NFTC were significantly higher than those in FTC category (p = .002). As compared to the counterparts, additional adjusted log-transformed 8-OHdG/creatinine increase was observed in NFTC for unmatched (β = 0.12, p = .052) and matched (β = 0.17, p < .001) participants, respectively. We also detected obviously increased log-transformed urinary 8-OHdG/creatinine with per interquartile range raise of serum TC either in unmatched (β = 0.10, p = .007) or matched (β = 0.16, p = .003) subjects. In conclusion, serum TC was independently associated with oxidative DNA damage. Our findings provided new insights on the health promotion of lipids relevant to the early warning of diseases due to oxidative DNA damage.

journal_name

Free Radic Res

journal_title

Free radical research

authors

Wei YP,Jia CN,Lan Y,Hou XQ,Zuo JJ,Cui H,Guan XJ,Wang Y,Mao GY

doi

10.1080/10715762.2019.1595613

subject

Has Abstract

pub_date

2019-04-01 00:00:00

pages

411-417

issue

4

eissn

1071-5762

issn

1029-2470

journal_volume

53

pub_type

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