liver cell nonhuman 46 priority journal 40 article 36 controlled study 32 Liver 26 Animals 24 Male 24 animal cell 22 male 22 animal experiment 20 liver 20 rat 20 Female 18 animal tissue 18 female 18 Hepatocytes 14 gene expression 14 human cell 14 protein expression 14 5 aminolevulinate synthase 12 Rats 12 human 12 vitellogenin 12 5-Aminolevulinate Synthetase 10 Article 10 Cichlasoma 10 Cichlidae 10 Cichlids 10 Ferrochelatase 10