Psoriatic Arthritis and Infection

  • Frank Barnett Vasey
  • Luis R. Espinoza


An infectious etiology for both psoriasis and psoriatic arthritis has long been suspected. Accumulated evidence supports a role for Gram-positive bacteria and other microorganism(s) including viral agents. Streptococci and HIV are among the leading triggering agents in combination with genetic and immune-related factors. Regarding the latter, cell-mediated and humoral-mediated mechanisms play an important role. More recently, microbiota has also been shown to participate in its pathogenesis. In this chapter, we focus on its genetics, immunology, and infectious basis. Much has been learned and much more remains.


Streptococcal infection HIV Innate immunity Adaptive immunity Psoriasis Psoriatic arthritis IL-17 TNF-alpha NF-Kappa B Genetics 


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Frank Barnett Vasey
    • 1
  • Luis R. Espinoza
    • 2
  1. 1.Department of Internal Medicine, Division of RheumatologyUniversity of South Florida College of MedicineTampaUSA
  2. 2.LSU Health Sciences at New Orleans, Louisiana State UniversityNew OrleansUSA

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