HE4 protein expression in normal human tissues
| Normal tissues . | Positive/tested . | Histological description . |
|---|---|---|
| Esophagus | 0/2 | |
| Stomach | 0/4 | |
| Gallbladder | 0/5 | |
| Duodenum | 0/6 | |
| Colon | 0/6 | |
| Pancreas | 0/4 | |
| Liver | 0/5 | |
| Spleen | 0/5 | |
| Lymph node | 0/7 | |
| Skeletal muscle | 0/4 | |
| Cardiac muscle | 0/4 | |
| Lung | 1/4 | Proximal respiratory epithelium |
| Trachea | 5/5 | Respiratory epithelium and minor salivary glands |
| Thyroid | 0/6 | |
| Kidney | 5/6 | Focal in a minority of tubules |
| Brain | 0/4 | |
| Breast | 4/5 | Predominantly in secretions with focal reactivity in a minority of ducts |
| Ovary | 0/7 | Negative in OSE; positive in metaplastic, ciliated CICs |
| Fallopian tubes | 10/10 | |
| Endometrium | 4/4 | |
| Cervix | 4/4 | Endocervical glands only |
| Epididymis | 5/5 | Strongest staining in duct of the epididymis, weaker staining in efferent ducts |
| Testes | 0/4 | |
| Prostate | 4/7 | Weak, focal glandular epithelial staining |
| Normal tissues . | Positive/tested . | Histological description . |
|---|---|---|
| Esophagus | 0/2 | |
| Stomach | 0/4 | |
| Gallbladder | 0/5 | |
| Duodenum | 0/6 | |
| Colon | 0/6 | |
| Pancreas | 0/4 | |
| Liver | 0/5 | |
| Spleen | 0/5 | |
| Lymph node | 0/7 | |
| Skeletal muscle | 0/4 | |
| Cardiac muscle | 0/4 | |
| Lung | 1/4 | Proximal respiratory epithelium |
| Trachea | 5/5 | Respiratory epithelium and minor salivary glands |
| Thyroid | 0/6 | |
| Kidney | 5/6 | Focal in a minority of tubules |
| Brain | 0/4 | |
| Breast | 4/5 | Predominantly in secretions with focal reactivity in a minority of ducts |
| Ovary | 0/7 | Negative in OSE; positive in metaplastic, ciliated CICs |
| Fallopian tubes | 10/10 | |
| Endometrium | 4/4 | |
| Cervix | 4/4 | Endocervical glands only |
| Epididymis | 5/5 | Strongest staining in duct of the epididymis, weaker staining in efferent ducts |
| Testes | 0/4 | |
| Prostate | 4/7 | Weak, focal glandular epithelial staining |