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Spectrotypes of anti-DNA antibodies show that anti-DNA-secreting B-cell clones of SLE patients are restricted in number, stable and long lived

Stott, D.I. (1992) Spectrotypes of anti-DNA antibodies show that anti-DNA-secreting B-cell clones of SLE patients are restricted in number, stable and long lived. Autoimmunity, 12 (4). pp. 249-258. ISSN 0891-6934 (doi:10.3109/08916939209148467)

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Abstract

We have investigated the number of B-lymphocyte clones secreting anti-ssDNA antibodies in SLE patients and a chronic active hepatitis patient by isoelectric focusing and reverse immunoblotting of serum antibodies. Individual clones can be identified by the unique pattern of bands produced by their antibodies (the clonotype). Using this technique, we have shown that the anti-DNA response of the majority of SLE patients is clonally restricted, in many cases only a single B-cell clone responding. We have also measured qualitative and quantitative changes in expression of B-cell clones and shown that these clones are remarkably stable with lifespans of up to six years or more. These results are in agreement with previous observations of clonal restriction of the anti-DNA response in three mouse models of SLE and in addition show that, unlike the mouse models, human anti-DNA-secreting B-cell clones are extremely stable and long-lived. The implications of these results for models of initiation and regulation of the autoimmune response are discussed.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Stott, Prof David
Authors: Stott, D.I.
College/School:College of Medical Veterinary and Life Sciences
Journal Name:Autoimmunity
ISSN:0891-6934

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