costimulatory JJ
cell NN
. .
Activation NN
interleukin-2 NN
enhanced VBN
the DT
through IN
T NN
CD28 NN
major JJ
( (
expression NN
reactive JJ
gene NN
) )
signal NN
surface NN
5-lipoxygenase NN
in IN
activation NN
provides VBZ
oxygen NN
IL-2 CC IN NN
NF-kappa NN
for IN
B NN
proliferation NN
and CC
of IN
by IN
requires VBZ
receptor NN
a DT
resulting VBG
production NN