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Small, dense LDL cholesterol and apolipoprotein B: Relationship with serum lipids and LDL size

Authorized Users Only
2009
Authors
Vekić, Jelena
Zeljković, Aleksandra
Jelić-Ivanović, Zorana
Spasojević-Kalimanovska, Vesna
Bogavac-Stanojević, Nataša
Memon, Lidija
Spasić, Slavica
Article (Published version)
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Abstract
Objective: Small, dense low-density lipoprotein-cholesterol (sdLDL-C) is a recently recognised marker of cardiovascular disease risk. On the other hand, the usefulness of sdLDL-apoB concentration determination in clinical practice offers grounds for further exploration. This study investigates the associations of sdLDL-C and sdLDL-apoB with serum lipid parameters and LDL size in healthy men and women. Methods: The concentrations of sdLDL-C and sdLDL-apoB were measured after heparin-magnesium precipitation of serum samples from ninety-five asymptomatic subjects (47 men, 30 premenopausal and 18 menopausal women). LDL size was determined by gradient gel electrophoresis and serum lipid and lipoprotein parameters were measured by routine laboratory methods. Results: Compared to premenopausal women, men had higher sdLDL-C (P lt 0.001) and sdLDL-apoB concentrations (P lt 0.001). No difference in the sdLDL-C concentration was found between men and menopausal women. Menopause status was ass...ociated with higher concentrations of both sdLDL-C (P lt 0.01) and sdLDL-apoB (P lt 0.05). Subjects with the LDL B phenotype had elevated sdLDL-C (P lt 0.01) and sdLDL-apoB concentrations (P lt 0.001). LDL size and triglycerides were independent determinants of both sdLDL-C and sdLDL-apoB concentrations. Conclusion: Gender and menopausal status have significant impact on sdLDL-C and sdLDL-apoB concentrations. The variability in sdLDL-C and sdLDL-apoB levels is considerably influenced by changes in LDL size and triglyceride concentration. Our results suggest that the characterisation of sdLDL particles by evaluating sdLDL-C could be complemented with sdLDL-apoB determination.

Keywords:
Small dense LDL / Apolipoprotein B / Dyslipidemia / Menopause
Source:
Atherosclerosis, 2009, 207, 2, 496-501
Publisher:
  • Elsevier Ireland Ltd, Clare
Projects:
  • Ispitivanje biohemijskih i genetičkih faktora rizika kao uzročnika i markera ateroskleroze i drugih oboljenja: analitički i klinički aspekti (RS-145036)

DOI: 10.1016/j.atherosclerosis.2009.06.035

ISSN: 0021-9150

PubMed: 19632678

WoS: 000273566700033

Scopus: 2-s2.0-70450248522
[ Google Scholar ]
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URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/1186
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  • Radovi istraživača / Researchers’ publications
Institution
Pharmacy

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