PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10559881-4 1999 Strikingly, the inhibitory effect of CavDGV on H-Ras signalling was completely reversed by replenishing cell membranes with cholesterol and was mimicked by cyclodextrin treatment, which depletes membrane cholesterol. Cyclodextrins 156-168 HRas proto-oncogene, GTPase Homo sapiens 47-52