PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25601475-7 2015 Importantly, VAD inhibits the incorporation of the repressive histone variant H2A.Z at INK4 gene promoters in senescent cells. VAD I protocol 13-16 H2A.Z variant histone 1 Homo sapiens 78-83