Table 1.

Materials Used in Study

			Ampoule contents
Ampoule code	Study code	No. of ampoules in stock	IL-29 (predicted mass, μg)	Expression system	Excipientsa	Reconstitution volume	Custodian and storage
07/212	A	∼3,800	1	Murine NS0	0.3% Bovine casein, 1% HSA, 6-salt PBS, pH 7.4	1 mL distilled water	NIBSC Potters Bar, HERTS, United Kingdom Stored at −20°C
10/176	B	∼3,900	0.5	Escherichia coli

^aBovine casein was certified to be sourced from countries where BSE is not known to exist.

BSE, bovine spongiform encephalopathy; HSA, human serum albumin; IL-29, interleukin-29; PBS, phosphate-buffered saline.