PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28768505-2 2017 Additionally, down-regulation of the let-7 miRNAs in cultured adult CD34(+) cells or the over-expression of LIN28 in cultured erythrocytes from pediatric patients with HbSS genotype causes increased levels of fetal hemoglobin (HbF) in the range of 19-40% of the total. hbss 168-172 lin-28 homolog A Homo sapiens 108-113