The hypothalamic-pituitary-adrenocortical and gonadal axis function in rheumatoid arthritis

M. Cutolo, M. Giusti, L. Foppiani, B. Seriolo, M. Briata, A. Bisso, F. Faelli, L. Felli, C. Prete, C. Pizzorni, A. Sulli

Research output: Contribution to journalArticlepeer-review

Abstract

The altered cortisol and adrenal androgen (i.e., dehydroepiandrosterone sulfate = DHEAS) secretion, observed during testing in rheumatoid arthritis (RA) patients not treated with corticosteroids, should be clearly regarded as a 'relative adrenal insufficiency' in the setting of a sustained inflammatory process, as shown by high serum IL-6 levels. Androgens seem implicated in the pathophysiology of autoimmune disorders, including RA, as natural immunosuppressors. Low plasma and synovial fluid testosterone concentrations are observed in male RA patients; low plasma DHEAS levels are mainly observed in female RA patients. The menopausal peak of RA suggests that estrogens and/or progesterone deficiency also play a role in the disease, and many data indicate that estrogens suppress cellular immunity, but stimulate humoral immunity (i.e., deficiency promotes cellular Th1-type immunity). Gene polymorphisms for enzymes involved in the steroidogenesis seem to further complicate the role of sex hormones in the susceptibility to autoimmunity. Acquired changes of sex steroid metabolism seem to also play a role in the peripheral sex hormone levels. In conclusion, a complex interaction between the hypothalamus-pituitary-adrenocortical and gonadal axis functions is evident in RA.

Original languageEnglish
JournalZeitschrift fur Rheumatologie
Volume59
Issue numberSUPPL. 2
DOIs
Publication statusPublished - 2000

Keywords

  • Androgens
  • Cytokines
  • Estrogens
  • Hypothalamic-pituitaryadrenocortical axis
  • Inflammation
  • Rheumatoid arthritis
  • Sex hormones

ASJC Scopus subject areas

  • Rheumatology

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