Is human blood a good surrogate for brain tissue in transcriptional studies?

Cai C, Langfelder P, Fuller TF, Oldham MC, Luo R, van den Berg LH, Ophoff RA, Horvath S. Is human blood a good surrogate for brain tissue in transcriptional studies? BMC Genomics. 2010; 11:589.

2010
http://profiles.ucsf.edu/profile/217509
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Cai C, Langfelder P, Fuller TF, Oldham MC, Luo R, van den Berg LH, Ophoff RA, Horvath S