Table 3 The percentage VEGFR-2 inhibitory properties of the tested compounds at 10 μM.

From: Antiproliferation, 3D-multicellular spheroid and VEGFR-2 inhibitory properties of spiroindolin-2-ones with phosphonate function

Compd

HCT116

PaCa2

MCF7

pg/mL ± SEM

% Inhibition

pg/mL ± SEM

% Inhibition

pg/mL ± SEM

% Inhibition

17a

38.20 ± 1.6

88.0

19.26 ± 1.0

94.1

51.50 ± 0.8

80.1

17b

73.25 ± 2.0

77.0

38.75 ± 1.4

88.1

77.20 ± 0.6

70.2

17c

44.50 ± 1.1

86.0

28.43 ± 1.0

91.3

60.40 ± 0.5

76.7

17d

87.40 ± 1.9

72.5

53.42 ± 0.7

83.7

72.80 ± 1.2

71.9

17e

107.50 ± 2.0

66.2

127.43 ± 1.3

61.0

116.50 ± 1.0

55.0

17f

43.70 ± 0.9

86.2

27.53 ± 1.1

91.6

63.20 ± 0.9

75.6

17g

98.40 ± 1.2

69.0

72.80 ± 0.9

77.7

64.80 ± 0.5

75.0

17h

51.74 ± 1.5

83.7

18.25 ± 0.6

94.4

52.70 ± 0.7

79.6

17i

81.40 ± 1.9

74.4

42.76 ± 0.7

86.9

49.50 ± 0.3

80.9

17j

62.50 ± 0.7

80.3

24.78 ± 0.3

92.4

44.80 ± 0.6

82.7

17k

67.80 ± 1.3

78.7

76.40 ± 0.9

76.6

86.40 ± 0.5

66.6

17l

84.20 ± 1.5

73.5

86.45 ± 1.2

73.5

73.50 ± 0.8

71.6

17m

44.50 ± 0.5

86.0

25.36 ± 1.0

92.2

42.80 ± 0.4

83.5

17n

115.30 ± 2.2

63.7

40.70 ± 1.6

87.5

85.60 ± 0.7

66.9

17o

48.40 ± 0.6

84.8

31.64 ± 1.9

90.3

38.70 ± 0.4

85.0

17p

31.80 ± 0.8

90.0

21.76 ± 0.4

93.3

48.30 ± 0.4

81.3

17q

132.30 ± 0.9

58.4

135.70 ± 1.7

58.5

145.70 ± 1.9

43.7

17r

67.34 ± 0.4

78.8

66.53 ± 0.8

79.6

84.30 ± 1.0

67.4

17s

53.80 ± 0.9

83.1

26.50 ± 0.5

91.9

47.60 ± 0.6

81.6

17t

124.70 ± 1.3

60.8

115.00 ± 0.9

64.8

96.70 ± 1.2

62.6

Sunitinib

38.50 ± 1.0

87.9

45.30 ± 0.2

86.1

48.70 ± 1.0

81.2

Control

317.80 ± 3.5

326.80 ± 1.9

258.70 ± 2.3