SRS1231935 SAMN04381905 9823 Sus scrofa Untreated follicular granulosa cells strain Chinese Erhualian pigs breed Erhualian age missing dev_stage missing sex female tissue ovary cell_type granulosa cell treatment Untreated BioSampleModel Model organism or animal SRS1231948 SAMN04381906 9823 Sus scrofa SMAD4 knockdown by RNA interference in follicular granulosa cells strain Chinese Erhualian pigs breed Erhualian age missing dev_stage missing sex female tissue ovary cell_type granulosa cell treatment SMAD4 knockdown BioSampleModel Model organism or animal