β2-glycoprotein I deficiency: Prevalence, genetic background and effects on plasma lipoprotein metabolism and hemostasis

Shinsuke Yasuda, Akito Tsutsumi, Hitoshi Chiba, Hidekatsu Yanai, Yoshinori Miyoshi, Rie Takeuchi, Tetsuya Horita, Tatsuya Atsumi, Kenji Ichikawa, Eiji Matsuura, Takao Koike

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

β2-glycoprotein I (β2-GPI=apolipoprotein H) is an important autoantigen in patients with the antiphospholipid syndrome. It also plays a role in lipoprotein metabolism, such as anti-atherogenic property, triglyceride removal, and enhancement of lipoprotein lipase. Serum β2-GPI concentration of 812 apparently healthy Japanese individuals was measured by sandwich EIA. Two families with complete β2-GPI deficiency were identified. In one family, all affected had increased serum LDL-cholesterol levels or smaller particle sizes of LDL, while the other had no apparent abnormality in lipid metabolism. Individuals investigated had no history of thrombosis or overt abnormalities in hemostatic tests. A thymine corresponding to position 379 of the β2-GPI cDNA was deleted in every β2-GPI deficient individual. The incidence of this heterozygous deficiency determined by RFLP was 6.3% in Japanese and none in Caucasians. Heterozygotes had significantly lower concentrations of serum β2-GPI than did those without the mutation, yet no significantly different lipid profiles, such as total cholesterol, triglyceride, HDL-cholesterol, LDL-cholesterol, apoA-I, apoB and Lp(a), were observed. A low concentration of β2-GPI seemed not to be associated with apparent abnormality in lipoprotein metabolism. Copyright (C) 2000 Elsevier Science Ireland Ltd.

Original languageEnglish
Pages (from-to)337-346
Number of pages10
JournalAtherosclerosis
Volume152
Issue number2
DOIs
Publication statusPublished - Oct 2000

Fingerprint

Hemostasis
Lipoproteins
Glycoproteins
LDL Cholesterol
Triglycerides
beta 2-Glycoprotein I
Serum
Thymine
Antiphospholipid Syndrome
Lipoprotein Lipase
Apolipoprotein A-I
Autoantigens
Apolipoproteins B
Hemostatics
Heterozygote
Lipid Metabolism
Particle Size
Restriction Fragment Length Polymorphisms
HDL Cholesterol
Thrombosis

Keywords

  • β-glycoprotein I
  • Antiphospholipid syndrome
  • Atherosclerosis
  • Deficiency
  • Hemostasis
  • Lipoprotein metabolism

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

β2-glycoprotein I deficiency : Prevalence, genetic background and effects on plasma lipoprotein metabolism and hemostasis. / Yasuda, Shinsuke; Tsutsumi, Akito; Chiba, Hitoshi; Yanai, Hidekatsu; Miyoshi, Yoshinori; Takeuchi, Rie; Horita, Tetsuya; Atsumi, Tatsuya; Ichikawa, Kenji; Matsuura, Eiji; Koike, Takao.

In: Atherosclerosis, Vol. 152, No. 2, 10.2000, p. 337-346.

Research output: Contribution to journalArticle

Yasuda, S, Tsutsumi, A, Chiba, H, Yanai, H, Miyoshi, Y, Takeuchi, R, Horita, T, Atsumi, T, Ichikawa, K, Matsuura, E & Koike, T 2000, 'β2-glycoprotein I deficiency: Prevalence, genetic background and effects on plasma lipoprotein metabolism and hemostasis', Atherosclerosis, vol. 152, no. 2, pp. 337-346. https://doi.org/10.1016/S0021-9150(99)00496-7
Yasuda, Shinsuke ; Tsutsumi, Akito ; Chiba, Hitoshi ; Yanai, Hidekatsu ; Miyoshi, Yoshinori ; Takeuchi, Rie ; Horita, Tetsuya ; Atsumi, Tatsuya ; Ichikawa, Kenji ; Matsuura, Eiji ; Koike, Takao. / β2-glycoprotein I deficiency : Prevalence, genetic background and effects on plasma lipoprotein metabolism and hemostasis. In: Atherosclerosis. 2000 ; Vol. 152, No. 2. pp. 337-346.
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