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Table 2 Biodistribution*

From: The biodistribution of self-assembling protein nanoparticles shows they are promising vaccine platforms

 

P6c/P6c-BN 50:10

P6c-PEG/P6c-BN 50:10

P6c-PbK-PEG/P6c-BN 50:10

P6c-PbK-PEG/P6c-BN 40:20

Organ

1 h

4 h

24 h

1 h

4 h

24 h

1 h

4 h

24 h

1 h

4 h

24 h

Blood

0.31(4)

0.25(8)

0.13(2)

0.5(1)

0.42(6)

0.17(2)

0.4(1)

0.4(1)

0.15(1)

0.33(2)

0.27(3)

0.14(1)

Heart

0.16(4)

0.13(2)

0.09(4)

0.20(4)

0.21(4)

0.12(4)

0.25(6)

0.21(4)

0.15(3)

0.21(3)

0.18(3)

0.15(5)

Lung

6(1)

2.8(7)

0.9(4)

4.8(3)

5(2)

1.0(2)

2.9(7)

1.8(3)

0.9(1)

6(3)

2.5(2)

1.01(2)

Spleen

37(10)

31(7)

19(4)

43(11)

27(6)

18(4)

21(3)

22(5)

9(1)

32(6)

33(8)

20(4)

Kidneys

2.5(2)

3.8(9)

4.5(1)

3.8(3)

7.4(9)

7(1)

3.0(8)

4.4(8)

3.5(3)

3.3(3)

4.3(1)

5.1(4)

Pancreas

0.4(6)

0.3(1)

0.05(5)

2(2)

0.23(1)

0.3(1)

0.17(5)

0.4(3)

0.3(2)

1(1)

1.1(9)

0.12(7)

Stomach

0.6(7)

0.26(2)

0.20(3)

0.8(1)

0.5(2)

0.27(7)

0.3(2)

0.3(2)

0.17(6)

0.8(4)

0.38(5)

0.24(7)

Intestines

0.23(4)

0.22(4)

0.21(6)

0.33(5)

0.26(2)

0.20(5)

0.4(2)

0.44(3)

0.25(5)

0.6(2)

0.34(6)

0.3(1)

Colon

0.25(9)

0.22(5)

0.3(1)

0.3(1)

0.30(7)

0.22(5)

0.25(6)

0.4(2)

0.15(4)

0.3(1)

0.26(3)

0.21(2)

Liver

78(7)

68(4)

40(11)

67(6)

66(5)

49(12)

103(34)

85(13)

38(3)

77(9)

73(17)

49(2)

Muscle

0.19(6)

0.12(4)

0.16(6)

0.6(4)

0.3(3)

0.2(1)

0.4(2)

0.3(2)

0.2(1)

0.9(5)

0.6(2)

0.09(1)

Bone

2.5(8)

1.6(5)

1.3(7)

3(1)

1.8(2)

1.6(4)

3(2)

1.9(5)

0.8(2)

2(1)

2.8(6)

1.5(3)

Tu (av)

0.12(2)

0.13(4)

0.13(6)

0.2(1)

0.2(1)

0.2(1)

0.16(6)

0.18(7)

0.09(4)

0.2(1)

0.13(2)

0.11(4)

Bile

6.6(7)

3(2)

9(7)

12(12)

8(7)

4(2)

8(3)

12(4)

15(10)

10(10)

12(8)

13(11)

Urine

19(10)

30(24)

21(2)

39(8)

57(9)

14(2)

23(20)

111(10)

17(2)

27(4)

30(5)

9(5)

  1. *Data represent % injected dose per g tissue of four differently substituted SAPN at different time points after injection (the error of the last digit in parentheses).