( Etoposide ( ( ( ( interferes ( with ( ( the synthesis ) ( of DNA ) ) ) ) and ) ( appears ( to ( ( arrest ( human ( lymphoblastic cells ) ) ) ( in ( ( the ( late ( S-G2 phases ) ) ) ( of ( the ( cell cycle ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Etoposide)) (VP (VP (VBZ interferes) (PP (IN with) (NP (NP (DT the) (NN synthesis)) (PP (IN of) (NP (NNP DNA)))))) (CC and) (VP (VBZ appears) (S (VP (TO to) (VP (VB arrest) (NP (JJ human) (JJ lymphoblastic) (NNS cells)) (PP (IN in) (NP (NP (DT the) (JJ late) (NN S-G2) (NNS phases)) (PP (IN of) (NP (DT the) (NN cell) (NN cycle)))))))))) (. .)))
Etoposide interferes with the synthesis of DNA and appears to arrest human lymphoblastic cells in the late S-G2 phases of the cell cycle.
(ROOT (S (PP (IN During) (NP (NP (DT the) (NN synthesis) (NN phase)) (PP (IN in) (NP (DT the) (NN cell) (NN cycle))))) (, ,) (NP (NN dna) (NN replication)) (VP (VBZ occurs)) (. .)))