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Table 4 In situ evaluation of liver from rats that received melittin post isoniazid and rifampicin-induced hepatotoxicity

From: Hepatoprotective activity of melittin on isoniazid- and rifampicin-induced liver injuries in male albino rats

 

NC

T

Mel15

Mel30

NR

Amyloids

–

++++

–

–

+

 

1.33 ± 0.52

17.5 ± 6.47a****

2.67 ± 1.21 b****

1.5 ± 0.55b****

3.83 ± 1.72 b****

Congestion

+

++++

+

+

+++

 

1.33 ± 0.52

6.67 ± 1.36 a****

2.4 ± 1b***

2.17 ± 0.98b***

5.17 ± 2.56

Ballooned hepatocytes

–

++++

+

++

++

4 ± 2

86 ± 39.43a****

30 ± 11.65b**

49.4 ± 17.81

54.3 ± 19.79a**

Inflammation

–

++++

++

++

++++

 

0.83 ± 0.41

4.5 ± 0.84a****

2.5 ± 1.0b**

2.5 ± 1.2b**

4.4 ± 1.0

Necrosis

+

++++

+

+

+++

 

13.17 ± 4.8

64.83 ± 17.2a****

23.17 ± 10.1b****

22.33 ± 4.1b****

43.5 ± 14.3b*

Vasodilation

–

++++

++

+++

++++

 

1.8 ± 0.41

16.3 ± 4a***

11.2 ± 4.7

12.5 ± 4.76

20.3 ± 7.2

Fibrosis

–

+++

–

+

++++

 

0.83 ± 0.41

6.83 ± 2.0a****

1.3 ± 0.5b****

1.8 ± 0.4b***

7.3 ± 3.2

Hemorrhage

–

+++

+

++

++++

 

1.5 ± 0.55

5.5 ± 0.55a****

2.13 ± 0.95b***

4.5 ± 2.1

9.167 ± 1.17b***

Steatosis

–

+

–

–

++++

 

1.3 ± 0.5

16.5 ± 5.1

3 ± 1.1

6.67 ± 1.6

48.5 ± 19.9b****

  1. Results are expressed as mean ± SD (n = 6)
  2. The histopathological changes were based on the average obtained from an observation of 10-microscopic fields with an area 625ÎĽm2 at 40x or 400x
  3. NC control, T Toxic, Mel15 Melittin15ÎĽg, Mel 30 Melittin30ÎĽg, NR Normal recovery
  4. Damages graded as follows: -, absent; +, trace (1–25%); ++, mild (25–50%); +++, moderate (50–75%); ++++, severe (75–100%). *P < 0.05; **P < 0.01; ***P < 0.001; ****P < 0.0001
  5. a: significant Vs NC group, b: significant Vs T group