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[Lipoprotein Z]

G Kajiyama1, T Otsuki, M Kawanishi

  • 1First Department of Internal Medicine, School of Medicine, Hiroshima University.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|December 1, 1994
PubMed
Summary
This summary is machine-generated.

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Lipoprotein Z, a remnant particle, is a key indicator of cardiovascular risk. Elevated levels are linked to conditions like heart disease and diabetes.

Area of Science:

  • Biochemistry
  • Clinical Chemistry
  • Cardiovascular Science

Context:

  • Lipoprotein Z (Lp Z) represents remnant lipoproteins lacking affinity for specific monoclonal antibodies.
  • Lp Z is characterized by enrichment in apolipoprotein E and cholesterol esters.
  • Quantification of Lp Z serves as a valuable marker for atherogenic remnant particles.

Purpose:

  • To define Lipoprotein Z and its biochemical composition.
  • To establish the clinical relevance of Lp Z quantification.
  • To correlate Lp Z levels with various metabolic and cardiovascular conditions.

Summary:

  • Lipoprotein Z (remnant-like particles) is identified by its lack of immunoaffinity to a mixture of anti-apo A-I and apo B100 monoclonal antibodies.
  • This lipoprotein is rich in apo E and cholesterol esters, and its serum concentration correlates with triglycerides and LDL-cholesterol.

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  • Increased Lp Z levels are associated with ischemic heart disease, diabetes mellitus, hypertriglyceridemia, and fatty liver, with a normal range below 5 mg/dl.

    • Impact:

    • Provides a novel biomarker for assessing atherogenic remnant lipoproteins.
    • Enhances understanding of lipid metabolism in dyslipidemia and metabolic disorders.
    • Offers potential for improved risk stratification in cardiovascular disease and diabetes management.