There have been some neat studies (see Kipnis et al) showing role of T cells in cognition, memory, using KOs and T cell deficient animals
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Replying to @Neurotweeps
Only recently (last year) did the field discover existence of lymphatic vessels in the brain, which would enable neuro-immune interactions
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Replying to @Neurotweeps
There's also been extensive work showing how cytokines (IL-6) signal through the vagus to influence behaviour, particular during infection
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Replying to @Neurotweeps
Also some neat work showing that acute stress activates the immune system while chronic stress suppresses it (biology is very nuanced)
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Replying to @Neurotweeps
Really, there's overwhelming evidence overthrowing an old dogma that suggested the brain was an immune-privileged site. Certainly not true
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Replying to @Neurotweeps
You only have to look as far as microglia-brain's phagocytic macrophage (immune) cells- that play a role in synaptic pruning in development
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Replying to @Neurotweeps
Tons of work suggesting that this pruning going awry can lead to risk of neurodevelopmental or neurodegenerative disorders
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Replying to @Neurotweeps
So this is the context within which my lab conducts its work--examining how neuro-immune signals play a role in homeostasis AND pathology
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Replying to @Neurotweeps
Me? I do something rather different--investigate heavily the neuro/behavioural aspects of chronic stress (w some focus on immune pathways)
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Replying to @Neurotweeps
I look at the interactions between the brain & gut microbes (this is an actual scanning electron microscope image)pic.twitter.com/QuIapWRUrZ
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nah that's chocolate chips and sprinkles, and hundreds and thousands 
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