http://informahealthcare.com/doi/abs...75.2014.907503

World J Biol Psychiatry. 2014 Jun 9:1-6. [Epub ahead of print]
Impaired activation of the innate immune response to bacterial challenge in Tourette syndrome.
Weidinger E, Krause D, Wildenauer A, Meyer S, Gruber R, Schwarz MJ, Müller N.

[I haven't read full text yet, only this abstract. $46US for 23hrs seemed a little steep]