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Table 2 Combination indexes assessing synergism/additivity/antagonism in rapamycin and LY294002

From: Characterization and targeting of phosphatidylinositol-3 kinase (PI3K) and mammalian target of rapamycin (mTOR) in renal cell cancer

LY294002

Rapamycin

A498

ACHN

CAKI-1

CAKI-2

769-P

786-O

(nM)

(nM)

(CI)

(CI)

(CI)

(CI)

(CI)

(CI)

5000

500

0.476

0.371

0.593

0.201

0.430

0.242

5000

100

0.461

0.193

0.492

0.212

0.444

0.262

5000

20

0.441

0.173

0.472

0.184

0.385

0.281

25000

500

1.388

0.678

1.409

1.270

1.356

0.830

25000

100

1.420

0.586

1.193

1.074

1.430

0.847

25000

20

1.393

0.484

1.227

1.020

1.530

0.910

  1. Synergism is indicated by a CI of < 0.9, additivity by CI values between 0.9 and 1.1, and antagonism by CI of > 1.1.