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. 2020 Apr 29;10:7247. doi: 10.1038/s41598-020-64318-4

Table 1.

Relative receptor binding affinities and mitogenic potencies in L6hIR, H4IIE and COLO-205 cells.

Compound Mutations hIR-A binding affinity (% of HI) hIGF-1R binding affinity (% of HI) mitogenic potency L6hIR cells (% of HI) mitogenic potency H4IIE cells (% of HI) Relative mitogenic potency COLO- 205 cells (% of HI)
HI None 100 100 100 100 100
IX10 B10Asp 251 [231; 272] 492 [472; 514] 204 [155; 269] 409 [347; 481] 640 [472–870]*
Analogue A A8Arg, B26Glu, B28Glu, desB30 398 [375; 422] 18 [17; 19] 76 [60; 97] 158 [128; 196] 23 [18–30]
Analogue B A21Arg, B10Glu, B29Arg, B31Arg, B32Pro, B33Lys 87 [80; 95] 2465 [2261; 2688] 83 [72; 96] 115 [93; 142] 4218 [3163–5625]

Data are weighted mean values with 95% confidence intervals from at least three independent experiments.

*As reported previously10.