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Front Microbiol. 2016 Feb 5;7:84. doi: 10.3389/fmicb.2016.00084. eCollection 2016.

Dysbiosis May Trigger Autoimmune Diseases via Inappropriate Post-Translational Modification of Host Proteins.

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The Ruth and Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of TechnologyHaifa, Israel; AESKU.KIPP InstituteWendelsheim, Germany.
School of Medicine and Dentistry, University of Aberdeen Aberdeen, UK.
AESKU.KIPP Institute Wendelsheim, Germany.


The gut ecosystem with myriads of microorganisms and the high concentration of immune system cells can be considered as a separate organ on its own. The balanced interaction between the host and microbial cells has been shaped during the long co-evolutionary process. In dysbiotic conditions, however, this balance is compromised and results in abnormal interaction between the host and microbiota. It is hypothesize here that the changed spectrum of microbial enzymes involved in post-translational modification of proteins (PTMP) may contribute to the aberrant modification of host proteins thus generating autoimmune responses by the host, resulting in autoimmune diseases.


autoimmune disease; dysbiosis; intestine; microbiome; post-translational modification

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