organism: Mus musculus
attributes.tag: source_name
attributes.value: Cardiac fibroblasts
attributes.tag: cell type
attributes.value: Cardiac fibroblasts
attributes.tag: genetic modification
attributes.value: MerCreMer cDNA in periostin (Postn) genomic locus; enhanced green fluorescent protein (eGFP) Cre-dependent reporter transgene in Rosa locus
attributes.tag: genotype/variation
attributes.value: Fibroblasts are CRE+ and GFP+