The role of gut microbiota in immune homeostasis and autoimmunity

Hsin Jung Wu, Eric Wu

Research output: Contribution to journalReview articlepeer-review

796 Scopus citations


Keeping a delicate balance in the immune system by eliminating invading pathogens, while still maintaining self-tolerance to avoid autoimmunity, is critical for the body's health. The gut microbiota that resides in the gastrointestinal tract provides essential health benefits to its host, particularly by regulating immune homeostasis. Moreover, it has recently become obvious that alterations of these gut microbial communities can cause immune dysregulation, leading to autoimmune disorders. Here we review the advances in our understanding of how the gut microbiota regulates innate and adaptive immune homeostasis, which in turn can affect the development of not only intestinal but also systemic autoimmune diseases. Exploring the interaction of gut microbes and the host immune system will not only allow us to understand the pathogenesis of autoimmune diseases but will also provide us new foundations for the design of novel immunoor microbebased therapies.

Original languageEnglish (US)
JournalGut microbes
Issue number1
StatePublished - 2012


  • Animal model
  • Antibiotics
  • Autoimmune
  • Commensal
  • Cytokine
  • Germ free
  • Microbiota
  • Mucosal immunity

ASJC Scopus subject areas

  • Microbiology (medical)
  • Gastroenterology
  • Infectious Diseases
  • Microbiology


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