This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Which of the following growth factors mediate tissue regeneration during wound healing 
Select and explain. 
A. TGF-beta, B. PDGF and EDF, C. FGF and VEGF, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Tissue repair:
a. Replacement of a damaged area by connective tissue scar.
b. Tissue repair is mediated by various growth factors and cytokines.

Transforming growth factor (TGF-β).
Platelet derived growth factor β (PDGF).
Fibroblast growth factor (FGF).
Vascular endothelial growth factor (VEGF).
Epidermal growth factor (EDF).
Tumor necrosis factor α (TNF-α) and IL-1.