passages.id: split_8_test_1502_passage
passages.type: progene_text
passages.text: Staining was positive in keratinocytes , hair follicles , and sebaceous and sweat glands in skin ; in ciliated respiratory epithelial cells in nasal tissue ; in heart muscle cells ; in foveola cells , gastric glands , and the smooth muscle layer in stomach ; and in hepatocytes in liver .