Augmentation of Autoantibodies by Helicobacter pylori in Parkinson’s Disease Patients May Be Linked to Greater SeverityReportar como inadecuado




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Parkinson-s disease PD is the second most common chronic and progressive neurodegenerative disorder. Its etiology remains elusive and at present only symptomatic treatments exists. Helicobacter pylori chronically colonizes the gastric mucosa of more than half of the global human population. Interestingly, H. pylori positivity has been found to be associated with greater of PD motor severity. In order to investigate the underlying cause of this association, the Sengenics Immunome protein array, which enables simultaneous screening for autoantibodies against 1636 human proteins, was used to screen the serum of 30 H. pylori-seropositive PD patients case and 30 age- and gender-matched H. pylori-seronegative PD patients control in this study. In total, 13 significant autoantibodies were identified and ranked, with 8 up-regulated and 5 down-regulated in the case group. Among autoantibodies found to be elevated in H. pylori-seropositive PD were included antibodies that recognize Nuclear factor I subtype A NFIA, Platelet-derived growth factor B PDGFB and Eukaryotic translation initiation factor 4A3 eIFA3. The presence of elevated autoantibodies against proteins essential for normal neurological functions suggest that immunomodulatory properties of H. pylori may explain the association between H. pylori positivity and greater PD motor severity.



Autor: Gunasekaran Suwarnalata, Ai Huey Tan, Hidayah Isa, Ranganath Gudimella, Arif Anwar, Mun Fai Loke, Sanjiv Mahadeva, Shen-Yang Lim,

Fuente: http://plos.srce.hr/



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