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[Familial apolipoprotein A-I variants].

A Matsunaga1

  • 1Second Department of Internal Medicine, School of Medicine, Fukuoka University.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|January 19, 2000
PubMed
Summary

Apolipoprotein A-I (apoA-I) variants are linked to metabolic disorders and cardiovascular disease risk. While some apoA-I mutations cause amyloidosis, others have varied effects on HDL cholesterol and disease outcomes.

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Area of Science:

  • Biochemistry
  • Genetics
  • Cardiovascular Medicine

Context:

  • Apolipoprotein A-I (apoA-I) is the primary apolipoprotein in High-Density Lipoprotein (HDL).
  • Familial apoA-I deficiency is a rare metabolic disorder with diverse clinical presentations.
  • Over 40 genetic structural variants of apoA-I have been identified.

Purpose:

  • To characterize novel Apolipoprotein A-I variants.
  • To investigate the molecular basis of apoA-I related disorders.
  • To understand the relationship between apoA-I structure, function, and disease.

Summary:

  • Apolipoprotein A-I (apoA-I) is a key component of HDL, crucial for lipid metabolism.
  • Familial apoA-I deficiency, though rare, presents a spectrum of clinical outcomes, not always including coronary artery disease.
  • This study details the characterization of ten apoA-I variants, including apoA-I(Vall56Glu) Oita, contributing to the understanding of over 40 known genetic variants.
  • Seven apoA-I mutations are known to cause hereditary amyloidosis.
  • A subset of structural apoA-I variants are associated with dyslipidemia and increased cardiovascular disease risk.

Impact:

  • Enhances understanding of the genetic basis of cardiovascular disease and metabolic disorders.
  • Provides molecular insights into Apolipoprotein A-I function and dysfunction.
  • Contributes to the identification of individuals at risk for cardiovascular events due to apoA-I abnormalities.

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