It is hypothesized that p38 MAPK phosphorylation activates c-Fos and interferon regulatory factors ( IRFs ) , which bind to AP-1 -binding sites and ISRES ( Interferon Stimulated Response Element ) respectively .
PRON AUX VERB SCONJ NOUN PROPN NOUN VERB NOUN CCONJ ADJ ADJ NOUN ( PROPN ) , DET VERB ADP NUM NOUN NOUN CCONJ PROPN ( PROPN VERB PROPN PROPN ) ADV .