PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16141315-7 2005 In previous studies with cultured cells, proteolytic activation of SREBP-1a and SREBP-2 has been observed in response to selective starvation of cells for cholesterol and unsaturated fatty acids. Cholesterol 155-166 sterol regulatory element binding transcription factor 2 Homo sapiens 80-87