Search for circulating immune complexes and activation of the complement system in relation to estrogen treatment.

Abstract:

:By employing an ammonium sulphate precipitation technique, previous studies have shown circulating immune complexes (cIC) in an increased proportion of women using oral contraceptives, as compared with non-users. The pathogenicity of cIC is well established, as deposition in organs may lead to activation of the complement system and thereby inflammation and tissue destruction. The purpose of the present study was to determine whether estrogen treatment could induce the formation of cIC, as measured by more specific immune complex assays. To test for complement activation, plasma samples were analysed for the complement split product C3d. Thirty-one women treated with estrogen for menopausal hormone deficiency symptoms and 38 untreated controls were analysed for cIC. Using a solid-phase C1q-anti-IgG binding assay, the mean level of cIC in the estrogen-treated group did not differ significantly from that of the untreated control group (p greater than 0.05). In a solid-phase C1q-protein A binding assay a very small average increase in the cIC values for the estrogen-treated group in comparison with the untreated group was found, expressing a significant difference (p = 0.04). Moreover, the C3d levels for the estrogen-treated group did not differ from the untreated control group. Finally, no differences could be demonstrated in cIC and C3d levels between patients treated with synthetic estrogens and patients treated with natural estrogens.

authors

Bukh A,Jensen HK,Andersen HJ,Eriksen PB,Møller NP

doi

10.3109/00016348709004147

subject

Has Abstract

pub_date

1987-01-01 00:00:00

pages

703-8

issue

8

eissn

0001-6349

issn

1600-0412

journal_volume

66

pub_type

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