PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26170997-8 2015 Immunohistochemical analysis also indicated that hyperbaric oxygen increased positive staining for Ki-67 and CD34, while reducing staining for TUNEL (a marker of apoptosis). Oxygen 60-66 CD34 molecule Homo sapiens 109-113