( ( ( Role ( of ( lipids ( ( ( in ( spinal ( cord injury ) ) ) and ) ( of ( lipase activity ) ) ) ) ) ) ( in ( ( Alzheimer 's ) disease ) ) ) . )
(ROOT (NP (NP (NNP Role)) (PP (IN of) (NP (NP (NNS lipids)) (PP (PP (IN in) (NP (JJ spinal) (NN cord) (NN injury))) (CC and) (PP (IN of) (NP (JJ lipase) (NN activity)))))) (PP (IN in) (NP (NP (NNP Alzheimer) (POS 's)) (NN disease))) (. .)))
Role of lipids in spinal cord injury and of lipase activity in Alzheimer's disease.
(ROOT (S (NP (NNS Lipids)) (VP (VBP are) (VP (VBN broken) (PRT (RP down)) (PP (IN by) (NP (NNS lipases))))) (. .)))