( ( The researchers ) ( also ( ( measured ( levels ( of ( ( two ( brain autoantibodies ) ) ( -LRB- ( ( antibodies ( to ( brain tissue ) ) ) -RRB- ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NNS researchers)) (ADVP (RB also)) (VP (VBD measured) (NP (NP (NNS levels)) (PP (IN of) (NP (NP (CD two) (NN brain) (NNS autoantibodies)) (PRN (-LRB- -LRB-) (NP (NP (NNS antibodies)) (PP (TO to) (NP (NN brain) (NN tissue)))) (-RRB- -RRB-)))))) (. .)))
The researchers also measured levels of two brain autoantibodies (antibodies to brain tissue).
(ROOT (S (NP (NNP Autoantibody)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT an) (NN antibody)) (SBAR (WHNP (WDT that)) (S (ADVP (RB inappropriately)) (VP (VBZ marks) (S (NP (NNS self-components)) (ADJP (RB as) (JJ foreign)))))))))) (. .)))