| 
      VEGF-Vascular Endothelial Growth Factor; PDGF-B- Platelet Derived Growth Factor B; EGF-Epidermal Growth Factor; HGF- Hepatocyte Growth Factor; TGFb-
    Transforming Growth Factor Beta 1; NGF-Nerve Growth Factor; BDNF-Brain derived neurotrophic factor; GDNF- Glial cell line derived neurotrophic factor; CNTF- Ciliary
    Neurotrophic Factor; FGFb- Fibroblast Growth Factor; HPRT-Hypoxanthine-Guanine Phosphoribosyltransferase (used as housekeeping gene).
        | Primer | Forward | Reverse | Product    size (bp) |  
        | VEGF | TCAGGGTTTCGGGAACCAGAC | TTCCGGGCTTGGCGATTTAG | 260 |  
        | PDGF-B | AGCCAAGACGCCTCAAGCTC | GGGTGAGGGAAGCACCATTG | 271 |  
        | EGF | TGCGGATGGTACGAATGGTG | GTGGAATCCAGCAGCTTTGC | 137 |  
        | HGF | TCAGCACCATCAAGGCAAGG | GATGGCACATCCACGACCAG | 169 |  
        | TGFb | CCAAGGGCTACCATGCCAAC | ACTGCTCCACCTTGGGCTTG | 195 |  
        | NGF | TGCACCACGACTCACACCTTC | TCCTGCTGAGCACACACACAC | 106 |  
        | BDNF | GGGACTCTGGAGAGCGTGAAT | CCTTATGAATCGCCAGCCAAT | 582 |  
        | GDNF | GTGAATCGGCCGAGACAATG | CACACCGTTTAGCGGAATGC | 180 |  
        | CNTF | TTTCTGCCTTCGCCTACCAG | TTGGCCCCATAATGGCTCTC | 241 |  
        | FGFb | GCCAACCGGTACCTTGCTATG | TGCCCAGTTCGTTTCAGTGC | 161 |  
        | HPRT | GCAAACTTTGCTTTCCCTGGTTAAG | CAACAAAGTCTGGCCTGTATCCA | 111 |  |