PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21960286-9 2012 For two CXCL12 receptors, CXCR4 and CXCR7, the mRNA levels remained almost unchanged with the 5-Aza-dC treatment. Azacitidine 94-99 atypical chemokine receptor 3 Homo sapiens 36-41