passages.id: split_7_validation_1687_passage
passages.type: progene_text
passages.text: Our immortalized SC line ( iPS ) proliferated stably and had a phenotype similar to NPSC , as indicated by the immunoexpression of follicle stimulating hormone receptor ( FSHR ) , and mRNA expression of androgen receptor ( AR ) , and Wilms ' tumor antigen ( WT1 ) .