Mammalia article 22 nonhuman 22 reporter gene 22 Animals 18 Mice 18 priority journal 18 Humans 14 Mice, Transgenic 14 Molecular Sequence Data 14 Mus musculus 14 Neurons 14 Pro-Opiomelanocortin 14 mouse 14 proopiomelanocortin 14 Vertebrata 12 animal experiment 12 gene expression 12 human 12 human cell 12 Base Sequence 10 Genes, Reporter 10 Phylogeny 10 animal tissue 10 transgenic mouse 10 Amino Acid Motifs 8 Cell Line 8 Cricetinae 8 Eutheria 8 Evolution, Molecular 8