Table I.

Comparison of insulin secretion levels between the two groups at different times following induction by radioimmunoassay (n=6).

	Pure cultured group		Co-cultured group
Time, days	Insulin, mU/l	C-peptide, nmol/l	Insulin, mU/l	C-peptide, nmol/l
0	2.03±0.75	0.02±0.01	2.02±0.56	0.02±0.01
3	2.03±0.80	0.01±0.01	65.46±17.30	0.28±0.09
7	2.17±0.76	0.01±0.01	141.14±20.14	0.60±0.15
10	1.98±0.74	0.01±0.01	105.76±18.68	0.44±0.08
14	2.17±0.46	0.02±0.00	57.45±17.06	0.20±0.08
F			26.775	17.424
P-value	>0.05	>0.05	<0.01	<0.01

Data are presented as the mean ± standard deviation.