Groups Area of regenerated fibers Area of αSMAimmunoexpression Area% of CD34immunoexpression Group I - 2.06±0.04 - Subgroup IIa - - - Subgroup IIb 106.74±9.27 49.38±11.23 1.32±0.47 Subgroup IIIa - - - Subgroup IIIb 303.38±19.69* 165.23±31.07* 7.77±0.63*

*significant increase compared to control group and subgroup IIb. Estimation of the area of regenerated muscle fibers, the area of alpha SMA immunoexpression and the area% of CD 34+ve cells revealed significant increase (P<0.05) in subgroup IIIb compared to subgroup IIb. Table 2: Mean ± standard deviation (SD) of area of regenerated fibers, area of αSMA and area% of CD34 immunoexpression in control and experimental groups