attributes.tag: source_name
attributes.value: Brain tissue
attributes.tag: strain
attributes.value: Human TfR knock-in
attributes.tag: Sex
attributes.value: male
attributes.tag: age
attributes.value: 2.57
attributes.tag: age_unit
attributes.value: months
attributes.tag: organ
attributes.value: Brain
attributes.tag: region
attributes.value: Posterior
attributes.tag: cell_type
attributes.value: Multiple
attributes.tag: genotype
attributes.value: hTfR KI HOM
attributes.tag: treatment
attributes.value: ATV:BACE1
attributes.tag: treatment_dose
attributes.value: 4X 57mpk
attributes.tag: treatment_dose_unit
attributes.value: mg per kg
attributes.tag: treatment_duration
attributes.value: days
attributes.tag: geo_loc_name
attributes.value: missing
attributes.tag: collection_date
attributes.value: missing