Pathogenesis of systemic lupus erythematosus - PubMed (original) (raw)

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Pathogenesis of systemic lupus erythematosus

C C Mok et al. J Clin Pathol. 2003 Jul.

Abstract

The exact patho-aetiology of systemic lupus erythematosus (SLE) remains elusive. An extremely complicated and multifactorial interaction among various genetic and environmental factors is probably involved. Multiple genes contribute to disease susceptibility. The interaction of sex, hormonal milieu, and the hypothalamo-pituitary-adrenal axis modifies this susceptibility and the clinical expression of the disease. Defective immune regulatory mechanisms, such as the clearance of apoptotic cells and immune complexes, are important contributors to the development of SLE. The loss of immune tolerance, increased antigenic load, excess T cell help, defective B cell suppression, and the shifting of T helper 1 (Th1) to Th2 immune responses leads to B cell hyperactivity and the production of pathogenic autoantibodies. Finally, certain environmental factors are probably required to trigger the disease.

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Figure 1

Figure 1

The pathogenesis of systemic lupus erythematosus. APC, antigen presenting cell.

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