Immune-complexes (IC) in idiopathic neutropenia

F. C. Cappio, G. Camussi, A. Novarino, D. Campana, C. Masera, V. Infelise, F. Gavosto

Research output: Contribution to journalArticle

Abstract

The presence of immune-complexes (IC) and antipolymorphonuclear neutrophil (PMN) autoantibodies was investigated in 28 patients with chronic idiopathic neutropenia and normal or hypercellular bone marrow, 19 with a metamyelocyte arrest and 9 with more dysplastic features. The in vivo interaction between IC and PMN membrane receptors was evaluated by means of the PMN immunohistological technique. Circulating IC was evaluated with the C1q and rheumatoid factor agglutination inhibition techniques. An anti-PM autoantibody activity was investigated by challenging Fab obtained from the sera of 22 patients with PMN from normal donors. IC were detected in a high percentage of patients; in no case could an anti-PM autoantibody activity be seen. Most patients with a metamyelocyte arrest, but only 1 with more dysplastic features, were IC+. During a follow-up period of 12-52 months, none of the patients with a metamyelocyte arrest (IC+) developed anaemia, thrombocytopenia or leukaemia, while anaemia and thrombocytopenia were almost the rule in the clinical course of dysplastic bone marrow IC- patients: 2 of them developed acute myeloblastic leukaemia.

Original languageEnglish
Pages (from-to)311-322
Number of pages12
JournalScandinavian Journal of Haematology
Volume27
Issue number5
Publication statusPublished - 1981

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Antigen-Antibody Complex
Neutropenia
Granulocyte Precursor Cells
Autoantibodies
Thrombocytopenia
Anemia
Bone Marrow
Rheumatoid Factor
Agglutination
Acute Myeloid Leukemia
Leukemia
Neutrophils
Tissue Donors
Membranes
Serum

ASJC Scopus subject areas

  • Hematology

Cite this

Cappio, F. C., Camussi, G., Novarino, A., Campana, D., Masera, C., Infelise, V., & Gavosto, F. (1981). Immune-complexes (IC) in idiopathic neutropenia. Scandinavian Journal of Haematology, 27(5), 311-322.

Immune-complexes (IC) in idiopathic neutropenia. / Cappio, F. C.; Camussi, G.; Novarino, A.; Campana, D.; Masera, C.; Infelise, V.; Gavosto, F.

In: Scandinavian Journal of Haematology, Vol. 27, No. 5, 1981, p. 311-322.

Research output: Contribution to journalArticle

Cappio, FC, Camussi, G, Novarino, A, Campana, D, Masera, C, Infelise, V & Gavosto, F 1981, 'Immune-complexes (IC) in idiopathic neutropenia', Scandinavian Journal of Haematology, vol. 27, no. 5, pp. 311-322.
Cappio FC, Camussi G, Novarino A, Campana D, Masera C, Infelise V et al. Immune-complexes (IC) in idiopathic neutropenia. Scandinavian Journal of Haematology. 1981;27(5):311-322.
Cappio, F. C. ; Camussi, G. ; Novarino, A. ; Campana, D. ; Masera, C. ; Infelise, V. ; Gavosto, F. / Immune-complexes (IC) in idiopathic neutropenia. In: Scandinavian Journal of Haematology. 1981 ; Vol. 27, No. 5. pp. 311-322.
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