PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23719521-9 2013 Compared with the DN group, the pathological changes were relieved, the 24 h urinary protein excretion, urine NAGase and serum creatinine level were decreased, and the expressions of HIF-1alpha and VEGF decreased in the CS group (all P<0.05), but they were still higher than those in the normal contral group (P<0.05). dn 18-20 vascular endothelial growth factor A Rattus norvegicus 198-202