Basic Research
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Aug 21, 2008; 14(31): 4897-4902
Published online Aug 21, 2008. doi: 10.3748/wjg.14.4897
Table 1 Ultrastructural scoring system used in experimental liver fibrosis[19-21]
UltrastructureAssessmentScore
MitochondriaNormal0
Prominent cristae1
Edematous mitochondrion2
Collection of amorphous material3
rERNormal0
Dilatation1
Irregular lamellar organization2
Presence of focal breaks3
sERNormal0
Dilatation1
Vacuolization2
Presence of large degenerated areas, myelin figures3
NucleusNormal0
Irregular chromatin distribution (margination, clumping)1
Increased heterochromatin2
Degenerated nucleus3
Table 2 Histopathologic scoring and organelle injury scoresof Group 1 and Group 2 (mean ± SD)
Group 1Group 2P
Histopathologic scoring
Necrosis1.20 ± 0.152.27 ± 0.18< 0.0011
Inflammation1.40 ± 0.132.00 ± 0.17< 0.031
Fat accumulation1.27 ± 0.122.07 ± 0.21< 0.011
Fibrosis1.40 ± 0.162.27 ± 0.18< 0.0051
Total5.20 ± 0.388.60 ± 0.29< 0.0011
Organelle injury scores
Mitochondrion45.7 ± 1.398.9 ± 2.1< 0.0012
Rough ER22.1 ± 0.841.6 ± 2.1< 0.0012
Smooth ER20.4 ± 0.843.3 ± 1.6< 0.0012
Nucleus17.9 ± 1.233.3 ± 0.9< 0.0012
Total106 ± 4217 ± 6< 0.0012