Archives of Dermatological Research

, Volume 310, Issue 9, pp 751–758 | Cite as

Decreased expression of G-protein-coupled receptors GPR43 and GPR109a in psoriatic skin can be restored by topical application of sodium butyrate

  • Alicja Krejner
  • Anika Bruhs
  • Ulrich Mrowietz
  • Ulrike Wehkamp
  • Thomas Schwarz
  • Agatha SchwarzEmail author
Original Paper


The G-protein-coupled receptors GPR43 and GPR109a are known to play an important role in mediating anti-inflammatory and anti-cancer functions in the gut. Short-chain fatty acids, such as sodium butyrate (SB), are activators of GPR43 and GPR109a and thereby promote anti-inflammatory effects. The present study aimed to examine the expression of these receptors and their reaction to SB in psoriasis. Lesional and non-lesional biopsies of 6 psoriasis patients and of 4 controls were obtained and stained for GPR109a and GPR43. Ex vivo stimulation with SB was performed on fresh biopsy material. Lesional and non-lesional psoriatic skin showed a decreased expression of GPR109a and GPR43 on keratinocytes in comparison with control skin. Topical application of SB was able to increase the low-level expression of both receptors. The data suggest that SB by restoring the impaired expression of GPR109a and GPR43 might exert anti-inflammatory effects and may be utilized as a topical tool for the treatment of psoriasis, which has to be proven in future clinical trials.


Psoriasis G-protein-coupled receptor Sodium butyrate Inflammation Treatment 



G-protein-coupled receptor(s)


Sodium butyrate


Short-chain fatty acids


Regulatory T cell(s)



We thank Ms. Katharina Pallasch for excellent technical assistance.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Alicja Krejner
    • 1
    • 2
  • Anika Bruhs
    • 2
  • Ulrich Mrowietz
    • 2
  • Ulrike Wehkamp
    • 2
  • Thomas Schwarz
    • 2
  • Agatha Schwarz
    • 2
    Email author
  1. 1.Department of Histology and EmbryologyMedical University of WarsawWarsawPoland
  2. 2.Department of DermatologyUniversity Medical Center Schleswig-Holstein, Campus KielKielGermany

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