A phospholipid-beta 2-glycoprotein I complex is an antigen for anticardiolipin antibodies occurring in autoimmune disease but not with infection

J. E. Hunt; H. P. McNeil; G. J. Morgan; R. M. Crameri; S. A. Krilis

A phospholipid-beta 2-glycoprotein I complex is an antigen for anticardiolipin antibodies occurring in autoimmune disease but not with infection

J. E. Hunt^*, H. P. McNeil, G. J. Morgan, R. M. Crameri, S. A. Krilis

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Anticardiolipin antibodies (aCL) purified from patients with autoimmune disease have recently been shown to interact with a phospholipid-binding plasma protein, beta 2-glycoprotein I (beta 2-GPI). The aim of this study was to determine whether aCL purified from patients with infection also interact with beta 2-GPI. aCL purified from 23 patients with malaria, infectious mononucleosis, tuberculosis, hepatitis A or syphilis did not require the presence of beta 2-GPI to bind cardiolipin (CL). In contrast, aCL were purified from 11 out of 12 patients with autoimmune disease that bound CL only in the presence of beta 2-GPI. Thrombotic complications appear to be associated with aCL occurring in autoimmune disease but not with aCL associated with infections. We postulate that this increased risk of thrombosis in the autoimmune group may be due to the presence of aCL that bind CL in association with beta 2-GPI, a plasma protein with anticoagulant activity.

Original language	English
Pages (from-to)	75-81
Number of pages	7
Journal	Lupus
Volume	1
Issue number	2
Publication status	Published - Feb 1992
Externally published	Yes

Cite this

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title = "A phospholipid-beta 2-glycoprotein I complex is an antigen for anticardiolipin antibodies occurring in autoimmune disease but not with infection",

abstract = "Anticardiolipin antibodies (aCL) purified from patients with autoimmune disease have recently been shown to interact with a phospholipid-binding plasma protein, beta 2-glycoprotein I (beta 2-GPI). The aim of this study was to determine whether aCL purified from patients with infection also interact with beta 2-GPI. aCL purified from 23 patients with malaria, infectious mononucleosis, tuberculosis, hepatitis A or syphilis did not require the presence of beta 2-GPI to bind cardiolipin (CL). In contrast, aCL were purified from 11 out of 12 patients with autoimmune disease that bound CL only in the presence of beta 2-GPI. Thrombotic complications appear to be associated with aCL occurring in autoimmune disease but not with aCL associated with infections. We postulate that this increased risk of thrombosis in the autoimmune group may be due to the presence of aCL that bind CL in association with beta 2-GPI, a plasma protein with anticoagulant activity.",

author = "Hunt, {J. E.} and McNeil, {H. P.} and Morgan, {G. J.} and Crameri, {R. M.} and Krilis, {S. A.}",

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AU - Hunt, J. E.

AU - McNeil, H. P.

AU - Morgan, G. J.

AU - Crameri, R. M.

AU - Krilis, S. A.

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N2 - Anticardiolipin antibodies (aCL) purified from patients with autoimmune disease have recently been shown to interact with a phospholipid-binding plasma protein, beta 2-glycoprotein I (beta 2-GPI). The aim of this study was to determine whether aCL purified from patients with infection also interact with beta 2-GPI. aCL purified from 23 patients with malaria, infectious mononucleosis, tuberculosis, hepatitis A or syphilis did not require the presence of beta 2-GPI to bind cardiolipin (CL). In contrast, aCL were purified from 11 out of 12 patients with autoimmune disease that bound CL only in the presence of beta 2-GPI. Thrombotic complications appear to be associated with aCL occurring in autoimmune disease but not with aCL associated with infections. We postulate that this increased risk of thrombosis in the autoimmune group may be due to the presence of aCL that bind CL in association with beta 2-GPI, a plasma protein with anticoagulant activity.

AB - Anticardiolipin antibodies (aCL) purified from patients with autoimmune disease have recently been shown to interact with a phospholipid-binding plasma protein, beta 2-glycoprotein I (beta 2-GPI). The aim of this study was to determine whether aCL purified from patients with infection also interact with beta 2-GPI. aCL purified from 23 patients with malaria, infectious mononucleosis, tuberculosis, hepatitis A or syphilis did not require the presence of beta 2-GPI to bind cardiolipin (CL). In contrast, aCL were purified from 11 out of 12 patients with autoimmune disease that bound CL only in the presence of beta 2-GPI. Thrombotic complications appear to be associated with aCL occurring in autoimmune disease but not with aCL associated with infections. We postulate that this increased risk of thrombosis in the autoimmune group may be due to the presence of aCL that bind CL in association with beta 2-GPI, a plasma protein with anticoagulant activity.

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A phospholipid-beta 2-glycoprotein I complex is an antigen for anticardiolipin antibodies occurring in autoimmune disease but not with infection

Abstract

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