Relevance of complement fixing antinuclear antibodies

Yisheng V. Fang, Stanley J. Cyran, Boris Albini, Rezvan Rostami, Walter L. Binder, Ernst H. Beutner

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Background: Connective tissue diseases (CTDs) are a heterogeneous group of disorders defined by the association of a variety of clinical manifestations with immunologic and other laboratory findings. Overlap of syndromes and aberrant findings appear rather frequently. Methods: Sera of eight antinuclear antibody (ANA) negative, cases of subacute cutaneous lupus erythematosus (SCLE) with antibodies to Ro (SS-A) and a ninth case with clinical and laboratory signs of Sjogren's syndrome and systemic lupus erythematosus (SLE) were tested for complement (C') fixing antinuclear antibodies (C-ANAs). The ninth case was examined in depth by direct immunofluorescence (DIF) and a two-step 'C + DIF' test of biopsies for C' fixation to in vivo bound ANAs, as well as serum tests for C-ANA, ANA, and SCLE markers. Results: Sera of five of the eight ANA negative, Ro(SS-A) positive SCLE cases had C-ANAs. The ninth case, a 50-year-old woman with clinical and laboratory signs of Sjogren's syndrome and SLE, gave a strong positive C + DIF reaction in the skin biopsy for in vivo bound ANAs that fix C', but negative ANAs and C-ANAs in routine serum tests; they revealed antimitochondrial antibodies. Serum tests on normal skin, however, revealed weak ANA and strong C-ANA reactions with in vitro fixed C'. Conclusions: ANA negative cases of SCLE or Sjogren's syndrome may have C-ANAs. A case with Sjogren's syndrome and signs of SLE had both in vivo and in vitro C' fixing ANAs. C-ANA tests can aid in the identification of such cases.

Original languageEnglish (US)
Pages (from-to)96-100
Number of pages5
JournalInternational Journal of Dermatology
Volume38
Issue number2
DOIs
StatePublished - 1999

Fingerprint

Antinuclear Antibodies
Cutaneous Lupus Erythematosus
Sjogren's Syndrome
Direct Fluorescent Antibody Technique
Systemic Lupus Erythematosus
Serum
Biopsy
Skin
Connective Tissue Diseases

ASJC Scopus subject areas

  • Dermatology

Cite this

Fang, Y. V., Cyran, S. J., Albini, B., Rostami, R., Binder, W. L., & Beutner, E. H. (1999). Relevance of complement fixing antinuclear antibodies. International Journal of Dermatology, 38(2), 96-100. https://doi.org/10.1046/j.1365-4362.1999.00580.x

Relevance of complement fixing antinuclear antibodies. / Fang, Yisheng V.; Cyran, Stanley J.; Albini, Boris; Rostami, Rezvan; Binder, Walter L.; Beutner, Ernst H.

In: International Journal of Dermatology, Vol. 38, No. 2, 1999, p. 96-100.

Research output: Contribution to journalArticle

Fang, YV, Cyran, SJ, Albini, B, Rostami, R, Binder, WL & Beutner, EH 1999, 'Relevance of complement fixing antinuclear antibodies', International Journal of Dermatology, vol. 38, no. 2, pp. 96-100. https://doi.org/10.1046/j.1365-4362.1999.00580.x
Fang, Yisheng V. ; Cyran, Stanley J. ; Albini, Boris ; Rostami, Rezvan ; Binder, Walter L. ; Beutner, Ernst H. / Relevance of complement fixing antinuclear antibodies. In: International Journal of Dermatology. 1999 ; Vol. 38, No. 2. pp. 96-100.
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