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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Clin Exp Neuroimmunol. 2017 Jul 23;8(3):215–232. doi: 10.1111/cen3.12401

Table 4.

Microbial and immune responses of multiple sclerosis and Alzheimer’s disease

Multiple sclerosis Alzheimer's disease
Microbiota dysbiosis + ?
H. pylori infection protection disease progression
T cell infiltration +++
Immune response Th1/Th17 innate
Vascular/BBB dysfunction +++ ++

Abbreviations: H. pylori, Helicobacter pylori; BBB, blood brain barrier; Th, T helper