Maternal autoantibodies and congenital heart block

No evidence for the existence of a unique heart block-associated Anti-Ro/SS-A autoantibody profile

J. F. Meilof, I. M E Frohn-Mulder, P. A. Stewart, A. Szatmari, A. Szatmári, C. H A Veldhoven, R. J T Smeenk, A. J G Swaak

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

One of the rare examples of the transfer of autoimmune disease from mother to (unborn) child is the neonatal lupus syndrome. This syndrome comprises the development of fetal heart disease (congenital heart block) or neonatal skin rash and is specifically associated with maternal anti-Ro/SS-A autoantibodies. Previous studies have suggested that especially maternal autoantibody reactivity against the 52 kDa protein of the Ro/SS-A antigen and/or against the La/SS-B antigen is responsible for the development of congenital heart block (CHB). To determine the CHB-associated antibody response in more detail, we analysed the presence of autoantibodies in sera from mothers of children with isolated heart block. All 14 mothers of children with congenital heart block were positive for anti-Ro/SS-A antibodies. Remarkably, their antibody profile, including recognition of different Ro/SS-A proteins and autoantibody levels against these proteins, did not differ from anti-Ro/SS-A positive mothers of healthy children. In contrast, all 8 anti-Ro/SS-A negative mothers had children with acquired heart block. We conclude from our data that maternal anti-Ro/SS-A antibodies are essential for CHB but that fine analysis of this autoantibody response does not predict the occurrence of CHB.

Original languageEnglish
Pages (from-to)239-246
Number of pages8
JournalLupus
Volume2
Issue number4
Publication statusPublished - 1993

Fingerprint

Heart Block
Autoantibodies
Mothers
Fetal Diseases
Fetal Heart
Proteins
Congenital heart block
Exanthema
Autoimmune Diseases
Antibody Formation
Heart Diseases
Antibodies
Serum

Keywords

  • Acquired heart block
  • Anti-La/SS-B
  • Anti-Ro/SS-A
  • Congenital heart block
  • Neonatal lupus erythematosus

ASJC Scopus subject areas

  • Immunology
  • Rheumatology

Cite this

Meilof, J. F., Frohn-Mulder, I. M. E., Stewart, P. A., Szatmari, A., Szatmári, A., Veldhoven, C. H. A., ... Swaak, A. J. G. (1993). Maternal autoantibodies and congenital heart block: No evidence for the existence of a unique heart block-associated Anti-Ro/SS-A autoantibody profile. Lupus, 2(4), 239-246.

Maternal autoantibodies and congenital heart block : No evidence for the existence of a unique heart block-associated Anti-Ro/SS-A autoantibody profile. / Meilof, J. F.; Frohn-Mulder, I. M E; Stewart, P. A.; Szatmari, A.; Szatmári, A.; Veldhoven, C. H A; Smeenk, R. J T; Swaak, A. J G.

In: Lupus, Vol. 2, No. 4, 1993, p. 239-246.

Research output: Contribution to journalArticle

Meilof, JF, Frohn-Mulder, IME, Stewart, PA, Szatmari, A, Szatmári, A, Veldhoven, CHA, Smeenk, RJT & Swaak, AJG 1993, 'Maternal autoantibodies and congenital heart block: No evidence for the existence of a unique heart block-associated Anti-Ro/SS-A autoantibody profile', Lupus, vol. 2, no. 4, pp. 239-246.
Meilof, J. F. ; Frohn-Mulder, I. M E ; Stewart, P. A. ; Szatmari, A. ; Szatmári, A. ; Veldhoven, C. H A ; Smeenk, R. J T ; Swaak, A. J G. / Maternal autoantibodies and congenital heart block : No evidence for the existence of a unique heart block-associated Anti-Ro/SS-A autoantibody profile. In: Lupus. 1993 ; Vol. 2, No. 4. pp. 239-246.
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