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Related Experiment Video

Updated: Jun 23, 2026

Enrichment of Native Lipoprotein Particles with microRNA and Subsequent Determination of Their Absolute/Relative microRNA Content and Their Cellular Transfer Rate

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Adiponectin and lipoprotein particle size.

Ram Weiss¹, James D Otvos, Allan Flyvbjerg

¹Hebrew University-Hadassah Braun School of Public Health and Community Medicine, Faculty of Medicine, Jerusalem, Israel. ram.weiss@ekmd.huji.ac.il

|April 25, 2009

Summary

Plasma adiponectin levels are favorably associated with lipoprotein particle size, including LDL, VLDL, and HDL subclasses. This relationship is independent of body mass index and insulin resistance in young adults.

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Area of Science:

Endocrinology
Metabolic Syndrome
Lipid Metabolism

Background:

Adiponectin, an adipokine, plays a role in metabolic regulation.
Its influence on lipid metabolism and insulin signaling is under investigation.
Understanding adiponectin's role in lipoprotein profiles is crucial for cardiovascular health.

Purpose of the Study:

To investigate the association between plasma adiponectin levels and lipoprotein particle size.
To examine the relationship between adiponectin and lipoprotein subclass concentrations.
To determine if these associations persist independently of obesity and insulin sensitivity.

Main Methods:

Cross-sectional analysis of 884 young Israeli adults from the Jerusalem Lipid Research Clinic (LRC) study.
Lipoprotein particle size was measured using proton nuclear magnetic resonance (NMR).
Multivariable linear regression models were employed to assess associations.

Main Results:

Adiponectin was significantly associated with mean LDL, VLDL, and HDL particle sizes.
Positive associations were observed between adiponectin and larger LDL and HDL particles.
Inverse associations were found with larger VLDL particles, indicating favorable lipid profiles.

Conclusions:

Adiponectin demonstrates a favorable association with lipoprotein particle size and subclass distribution.
These findings are independent of adiposity (BMI, waist circumference) and insulin sensitivity.
Adiponectin may be a key regulator of lipoprotein metabolism, irrespective of obesity and insulin resistance.