Expression of folliculin (Flcn) in adult mouse tissue
| Positive tissues | Staining intensity |
| Kidney | |
| Epithelium of proximal tubules | ++ |
| Epithelium external glomerular capsule | ++ |
| Lungs | |
| Alveolar macrophages | ++ |
| Bronchiolar epithelium | + |
| Heart | |
| Cardiomyocytes | ++ |
| Submandibular salivary glands | |
| Ductal epithelial cells | ++++ |
| Parotid gland | |
| Glandular epithelium | + |
| Sublingual salivary gland | |
| Glandular epithelium | + |
| Brain | |
| Neuronal bodies | ++ |
| Bladder | |
| Transitional epithelium | + |
| Testes | |
| Spermatocytes | +++ |
| Uterus | |
| Uterine glands | ++ |
| Spleen | |
| Red pulp | ++++ |
| Colon | |
| Lamina epithelialis mucosa (mucosa) | ++ |
| Negative tissues | |
| Skin | − |
| Pancreas | − |
| Skeletal muscle | − |