tokens: In the former cells , ets-2 was a CSF-1 immediate-early response gene , and phosphorylated ets-2 was detected after 2 to 4 h , coincident with expression of ets-2 protein .
folded_tokens: in the former cell , ets-2 be a csf-1 immediate-early response gene , and phosphorylate ets-2 be detect after 2 to 4 h , coincident with expression of ets-2 protein .