Table 1.

Supplements of normal human nasal epithelial cell culture media

Supplement	Concentration
Hydrocortisone 21-hemisuccinate	0.5 μg mL−1
Insulin	5 μg mL−1
Transferrin	10 μg mL−1
Epinephrine hydrochloride	0.5 μg mL−1
3,3′5-triido-l-thyronine	6.5 ng mL−1
Gentamicin sulfate	50 μg mL−1
Amphotericin B	50 μg mL−1
Epidermal growth factor	25 ng mL−1
All-trans RA	10−7mol L−1
Bovine serum albumin	1.5 μg mL−1
Bovine pituitary extract	1% vol vol−1