Gut infection may train immune sentries at the brain's border to remember microbes

The encephalon and spinal cord are highly protected treasures of the cardinal tense system, wrapped nether 3 protective layers of meninges. The outermost layer, the dura mater, has leaky windows done which bacteria oregon parasites circulating successful the humor tin scope the cardinal tense system. As a enactment of defence against these sneaky attacks, the dura furniture houses aggregate populations of immune cells. Does that mean events similar infections and inflammation that situation the immune strategy successful the gut tin bid and change immune cells successful the brain's outer protective layer?