PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22039302-1 2011 Extracellular adenosine and purine nucleotides are elevated in many pathological situations associated with the expansion of CD11b(+)Gr1(+) myeloid-derived suppressor cells (MDSCs). Purine Nucleotides 28-46 integrin subunit alpha M Homo sapiens 125-130