With no explanation, label each line with "O", "other-chemicalthing", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Although
hyaluronan
binds
to
receptor
CD44
,
there
is
evidence
hyaluronan
degradation
products
transduce
their
inflammatory
signal
through
toll-like
receptor
2
(
TLR2
)
,
TLR4
,
or
both
TLR2
and
TLR4
in
macrophages
and
dendritic
cells
.
Although:O
hyaluronan:other-chemicalthing
binds:O
to:O
receptor:O
CD44:other-biologything
,:O
there:O
is:O
evidence:O
hyaluronan:other-chemicalthing
degradation:O
products:O
transduce:O
their:O
inflammatory:O
signal:O
through:O
toll-like:O
receptor:other-biologything
2:other-biologything
(:O
TLR2:other-biologything
):O
,:O
TLR4:other-biologything
,:O
or:O
both:O
TLR2:other-biologything
and:O
TLR4:other-biologything
in:O
macrophages:other-biologything
and:O
dendritic:other-biologything
cells:O
.:O