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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.