Genetic regulation of serum cytokines in systemic lupus erythematosus

Silvia N. Kariuki, Timothy B. Niewold

Research output: Contribution to journalReview articlepeer-review

54 Scopus citations

Abstract

Genetic association studies in systemic lupus erythematosus (SLE) have been extremely successful in recent years, identifying several loci associated with disease susceptibility. Much work remains to integrate these loci into the functional pathogenic pathways that characterize the disease. Our working hypothesis is that many genetic variations linked to SLE and autoimmunity mediate the risk of disease by altering cytokine profiles or responses to cytokine signaling. Genetic polymorphisms that affect cytokine signaling could alter thresholds for immune responses, resulting in proinflammatory presentation of self-antigens and the subsequent misdirection of adaptive immunity against self, which is observed in autoimmune disease. SLE is clinically heterogeneous and genetically complex, and we expect that individual genes and cytokine patterns will be more or less important to different disease manifestations and subgroups of patients. Defining these genotype-cytokine-phenotype relationships will increase our understanding of both initial disease pathogenesis as well as subsequent response/nonresponse to various therapies. In this review, we summarize some recent work in the area of SLE cytokine genetics and describe the implications for SLE, autoimmunity, and immune system homeostasis, which are revealed by these investigations.

Original languageEnglish (US)
Pages (from-to)109-117
Number of pages9
JournalTranslational Research
Volume155
Issue number3
DOIs
StatePublished - Mar 2010

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Biochemistry, medical
  • Physiology (medical)

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