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Is plasma oxidized low-density lipoprotein, measured with the widely used antibody 4E6, an independent predictor of coronary heart disease among U.S. men and women?
J Am Coll Cardiol 2006; 48(5):973-9JACC

Abstract

OBJECTIVES

Our aim was to examine whether circulating oxidized low-density lipoprotein (oxLDL) is a predictor of coronary heart disease (CHD) independent of lipid markers and to compare oxLDL, apolipoprotein B100 (apoB), and total cholesterol (TC)/high-density lipoprotein-cholesterol (HDL-C) ratio as predictors of CHD.

BACKGROUND

Measurement of circulating oxLDL with antibody 4E6, has been widely used in many studies; however, few large prospective studies have examined whether this marker is a predictor of CHD independent of lipids and compared oxLDL with other important lipid predictors.

METHODS

After 6 years of follow-up among 18,140 men from the HPFS (Health Professionals Follow-up Study) and 8 years among 32,826 women from the Nurses' Health Study who provided blood samples at baseline, we identified incident nonfatal myocardial infarction or fatal CHD in 266 men and 235 women. Each case was matched with two control subjects by age, smoking, and time of blood draw. The oxLDL was measured via enzyme-linked immunosorbent assay with antibody 4E6 against oxidized apoB.

RESULTS

Among both men and women, oxLDL was significantly related to risk of CHD in multivariate analysis before adjustment for any lipid markers. However, when oxLDL, LDL cholesterol, HDL-C, and triglycerides were mutually adjusted, oxLDL was no longer predictive. When oxLDL and apoB were mutually adjusted, only apoB was predictive of CHD. Similar results were found when oxLDL and TC/HDL-C ratio were mutually adjusted.

CONCLUSIONS

Our results suggest that circulating oxLDL, measured with antibody 4E6, is not an independent overall predictor of CHD after adjustment of lipid markers and is less predictive in development of CHD than apoB and TC/HDL-C ratio.

Authors+Show Affiliations

Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts 02115, USA. tianying@hsph.harvard.eduNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16949489

Citation

Wu, Tianying, et al. "Is Plasma Oxidized Low-density Lipoprotein, Measured With the Widely Used Antibody 4E6, an Independent Predictor of Coronary Heart Disease Among U.S. Men and Women?" Journal of the American College of Cardiology, vol. 48, no. 5, 2006, pp. 973-9.
Wu T, Willett WC, Rifai N, et al. Is plasma oxidized low-density lipoprotein, measured with the widely used antibody 4E6, an independent predictor of coronary heart disease among U.S. men and women? J Am Coll Cardiol. 2006;48(5):973-9.
Wu, T., Willett, W. C., Rifai, N., Shai, I., Manson, J. E., & Rimm, E. B. (2006). Is plasma oxidized low-density lipoprotein, measured with the widely used antibody 4E6, an independent predictor of coronary heart disease among U.S. men and women? Journal of the American College of Cardiology, 48(5), pp. 973-9.
Wu T, et al. Is Plasma Oxidized Low-density Lipoprotein, Measured With the Widely Used Antibody 4E6, an Independent Predictor of Coronary Heart Disease Among U.S. Men and Women. J Am Coll Cardiol. 2006 Sep 5;48(5):973-9. PubMed PMID: 16949489.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Is plasma oxidized low-density lipoprotein, measured with the widely used antibody 4E6, an independent predictor of coronary heart disease among U.S. men and women? AU - Wu,Tianying, AU - Willett,Walter C, AU - Rifai,Nader, AU - Shai,Iris, AU - Manson,JoAnn E, AU - Rimm,Eric B, Y1 - 2006/08/17/ PY - 2006/01/06/received PY - 2006/03/17/revised PY - 2006/03/20/accepted PY - 2006/9/5/pubmed PY - 2006/9/22/medline PY - 2006/9/5/entrez SP - 973 EP - 9 JF - Journal of the American College of Cardiology JO - J. Am. Coll. Cardiol. VL - 48 IS - 5 N2 - OBJECTIVES: Our aim was to examine whether circulating oxidized low-density lipoprotein (oxLDL) is a predictor of coronary heart disease (CHD) independent of lipid markers and to compare oxLDL, apolipoprotein B100 (apoB), and total cholesterol (TC)/high-density lipoprotein-cholesterol (HDL-C) ratio as predictors of CHD. BACKGROUND: Measurement of circulating oxLDL with antibody 4E6, has been widely used in many studies; however, few large prospective studies have examined whether this marker is a predictor of CHD independent of lipids and compared oxLDL with other important lipid predictors. METHODS: After 6 years of follow-up among 18,140 men from the HPFS (Health Professionals Follow-up Study) and 8 years among 32,826 women from the Nurses' Health Study who provided blood samples at baseline, we identified incident nonfatal myocardial infarction or fatal CHD in 266 men and 235 women. Each case was matched with two control subjects by age, smoking, and time of blood draw. The oxLDL was measured via enzyme-linked immunosorbent assay with antibody 4E6 against oxidized apoB. RESULTS: Among both men and women, oxLDL was significantly related to risk of CHD in multivariate analysis before adjustment for any lipid markers. However, when oxLDL, LDL cholesterol, HDL-C, and triglycerides were mutually adjusted, oxLDL was no longer predictive. When oxLDL and apoB were mutually adjusted, only apoB was predictive of CHD. Similar results were found when oxLDL and TC/HDL-C ratio were mutually adjusted. CONCLUSIONS: Our results suggest that circulating oxLDL, measured with antibody 4E6, is not an independent overall predictor of CHD after adjustment of lipid markers and is less predictive in development of CHD than apoB and TC/HDL-C ratio. SN - 1558-3597 UR - https://www.unboundmedicine.com/medline/citation/16949489/Is_plasma_oxidized_low_density_lipoprotein_measured_with_the_widely_used_antibody_4E6_an_independent_predictor_of_coronary_heart_disease_among_U_S__men_and_women L2 - https://linkinghub.elsevier.com/retrieve/pii/S0735-1097(06)01458-6 DB - PRIME DP - Unbound Medicine ER -