Table 1 Currently available animal models of RILD

From: Radiation-induced liver disease: current understanding and future perspectives

Animal

Gender

Fractionation/Irradiated area

Dose (Gy)

Follow-up times

Pathological properties

Reference

Rat

 Wistar

Male

Single/Whole body

6 Gy

2 h

• Increased oxidative stress and lipid peroxidation

30

 

Male

Single/Liver

25 Gy

24 and 48 h

• Mild hepatocellular damage

• Mild steatosis

49

 

Male

Fractionation/Liver

Total

60 Gy

(2 Gy per fraction)

3 mo

• Upregulated ALP levels

• No necroinflammation and fibrosis

36

 SD

Not indicated

Single/Abdomen

8 Gy

36 h

• Sinusoidal congestion

• Hemorrhage

• Dilation of the central vein

• Degenerated Hepatocyte

• Kupffer cell activation

48

 

Male

Single/Liver

30 Gy

6 mo

• Liver fibrosis

50

 

Male

Single/Liver

60 Gy

8 wk

• Hepatic sinus congestion

• Hepatocyte apoptosis

• Liver fibrosis

34

Mouse

 C57BL/6

Female

Single/Whole body

20 Gy

1 wk

• Accumulation of fatty hepatocyte and apoptotic hepatocyte

• Expansion of progenitors and • MF-HSC

• Liver fibrosis

37

 

Female

Single/Whole body

6 Gy

1 wk

• Accumulation of fatty hepatocytes and apoptotic cells

• Liver fibrosis

51

 

Male

Single/Abdomen

6 Gy

6 and 10 wk

• Upregulated ALT/AST levels

• Apopotsis

• Fat accumulation

• Liver fibrosis

35

 

Male

Fractionation/Liver

Total

30 Gy

(6 Gy per fraction)

6 and 10 wk

• Upregulated ALT/AST levels

• Hepatic congestion

• Liver fibrosis

52

NHP

 Rhesus monkey

Female

Fractionation/Liver

Total

36 Gy

(4.5 Gy per fraction) or Total

50 Gy (2.5 Gy per fraction)

9 mo

• No clinical or biochemical signs of liver dysfunction

61

 Cynomolgus monkey

Male

Fractionation/Liver

Total

40 Gy

10 wk

• VOD

• Hemorrhage

• Upregulated ALP levels

• Hepatic congestion

• Liver fibrosis

62

Rabbit

Not indicated

Single/Liver

24–28 Gy

or 36 Gy

1, 2 and 6 mo

• No macroscopic and microscopic changes

56

Dog

Not indicated

Single/Liver

20 Gy

1 to 2 yr

• Liver fibrosis

• Liver cell atrophy

57

  1. Abbreviations: ALP, alkaline phosphatase; ALT, alanine transaminase; AP, alkaline phosphatase; AST, aspartate transaminase; F, female; hr, hour(s); M, male; MF-HSC, myofibroblastic hepatic stellate cell; mo, month(s); NHP, nonhuman primate; SD, Sprague–Dawley; VOD, veno-occlusive disease; wk, week(s); yr, year(s).