Table 1 The inhibitory activities of active bufadienolides on HGC-27 3D spheroids and 2D monolayer cells.

From: Anti-gastric cancer activity in three-dimensional tumor spheroids of bufadienolides

Compounds

3D

2D

IC501 (μM)

IC502 (μM)

IC503 (μM)

IC504 (μM)

IC505 (μM)

IC506 (μM)

IC50(μM)

No.1

0.002 ± 0.001

0.001 ± 0.0006

0.001 ± 0.0005

0.001 ± 0.0004

0.002 ± 0.0008

0.002 ± 0.0008

0.034 ± 0.005

No.2

0.013 ± 0.011

0.012 ± 0.007

0.015 ± 0.006

0.014 ± 0.005

0.017 ± 0.006

0.019 ± 0.005

0.087 ± 0.017

No.3

0.067 ± 0.044

0.058 ± 0.024

0.053 ± 0.02

0.058 ± 0.019

0.067 ± 0.019

0.078 ± 0.026

0.152 ± 0.019

No.5

0.067 ± 0.046

0.091 ± 0.045

0.085 ± 0.04

0.086 ± 0.034

0.096 ± 0.036

0.112 ± 0.041

0.285 ± 0.057

No.6

0.002 ± 0.001

0.003 ± 0.002

0.003 ± 0.001

0.003 ± 0.001

0.004 ± 0.001

0.014 ± 0.002

No.7

0.019 ± 0.013

0.029 ± 0.007

0.034 ± 0.01

0.041 ± 0.014

0.058 ± 0.015

0.073 ± 0.018

0.018 ± 0.003

No.8

0.144 ± 0.104

0.15 ± 0.082

0.154 ± 0.076

0.152 ± 0.065

0.178 ± 0.078

0.199 ± 0.082

1.044 ± 0.274

No.9

0.051 ± 0.043

0.064 ± 0.038

0.069 ± 0.033

0.079 ± 0.031

0.099 ± 0.038

0.116 ± 0.04

0.279 ± 0.062

Taxol

1.683 ± 1.667

0.065 ± 0.044

0.069 ± 0.052

0.045 ± 0.031

0.064 ± 0.041

0.062 ± 0.031

0.275 ± 0.059

Epirubicin

1.488 ± 1.27

0.34 ± 0.217

0.104 ± 0.045

0.064 ± 0.028

0.048 ± 0.022

0.036 ± 0.015

1.041 ± 0.146

  1. Notes: (1) IC501, IC502, IC503, IC504, IC505 and IC506 are the IC50 values of bufadienolides on HGC-27 3D spheroids after treatment for 1, 2, 3, 4, 5 and 6 days, respectively. (2) “–” means that the inhibitory active is weak.