Table 1.

Semi-quantitative measurement of binding affinity of visfatin and insulin receptor examined with ELISA

Sample	OD410
Visfatin (10 μg/ml)	0.042	0.037	0.045
Visfatin (50 μg/ml)	0.188	0.178	0.205
Visfatin (100 μg/ml)	0.311	0.301	0.408
TBS	0.013	0.019	0.011
6× His/PTHrP	0.017	0.021	0.015