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Table 2 Semi-Quantitative Scale of Collagen Type I, Type III, TGF-β1, TGF-2 and TGF-β3 in Contraction Band and Adjacent Muscle

From: Increased expression of collagens, transforming growth factor-β1, and -β3 in gluteal muscle contracture

  Collagen Type I Collagen Type III TGF-β1 TGF-β2 TGF-β3
Adjacent Muscle + -    
Fibroblasts    + - +
Endothelial cell    + - +
Contraction Band +++ ++    
Fibroblasts    +++ + ++
Endothelial cell    +++ + ++
  1. Semi-quantitative scale: (-) = no staining; (+) = weak staining; (++) = moderate staining; and (+++) = strong staining.