organism: Rattus norvegicus
attributes.tag: strain
attributes.value: Sprague-Dawley rats
attributes.tag: isolate
attributes.value: not collected
attributes.tag: breed
attributes.value: not applicable
attributes.tag: cultivar
attributes.value: not applicable
attributes.tag: ecotype
attributes.value: not applicable
attributes.tag: age
attributes.value: 4-week-old
attributes.tag: dev_stage
attributes.value: Adolescence
attributes.tag: collection_date
attributes.value: 2025-07-15
attributes.tag: geo_loc_name
attributes.value: China: Hangzhou
attributes.tag: sex
attributes.value: male
attributes.tag: tissue
attributes.value: nucleus pulposus
attributes.tag: cell_type
attributes.value: nucleus pulposus cells (NPCs)
attributes.tag: ID
attributes.value: NM-NTU_Dark_2
attributes.tag: BioSampleModel
attributes.value: Model organism or animal