Year [reference] | 
        ADSC | 
        In vivo/ vitro | 
        Scaffold | 
        Growth    factors | 
        Differentiation | 
        Tissue    regeneration | 
       
      
        | 2013[127] | 
        Dog  | 
        Dog | 
        PTFE conduit  | 
        - | 
        - | 
        Facial    nerve regeneration  | 
       
      
        | 2013[128]  | 
        Rat | 
        In vitro | 
        TCP, laminin/ fibronectin coated TCP | 
        Co-culture with various neural cells | 
        -  | 
        Enhanced NTF release by    SC-like cells | 
       
      
        | 2013[129] | 
        Human | 
        Rat  | 
        NGF-hydrogel  | 
        NGF within hydrogel  | 
        - | 
        Erectile function    improvement  | 
       
      
        | 2012[130] | 
        Human | 
        In vitro | 
        - | 
        BHA, RA, EGF, and bFGF | 
        Neuron-like cells  | 
        PNR in vivo | 
       
      
        | 2012[131] | 
        Rat  | 
        In vitro | 
        - | 
        DM | 
        - | 
        PNR in vitro | 
       
      
        | 2012[132]  | 
        Rat   | 
        Rat  | 
        GGT[1] | 
        DM  | 
        Neuro-like cells  | 
        PNR in vivo | 
       
      
        | 2012[133]  | 
        Rat  | 
        Rat  | 
        Silicon  | 
        DM  | 
        SC | 
        PNR in vivo | 
       
      
        | 2012[63]  | 
        Rat  | 
        Rat  | 
        DNA | 
        DM  | 
        SC-like cells  | 
        PNR in vivo | 
       
      
        | 2012[134]  | 
        Rat  | 
        In vitro | 
        - | 
        N2, ABAM, B27, EGF, and    bFGF  | 
        Glial-like cells  | 
        PNR in vitro | 
       
      
        | 2012 [135]  | 
        Rat  | 
        Rat  | 
        GGT | 
        - | 
        - | 
        PNR in vivo | 
       
      
        | 2011[136]  | 
        Rat  | 
        Rat  | 
        PCL  | 
        DM  | 
        SC | 
        Prevention    of DRG neuronal loss  | 
       
      
        | 2011[137] | 
        Rat  | 
        Rat  | 
        Allogeneic artery  | 
        DM  | 
        SC | 
        PNR and functional    recovery in    vivo | 
       
      
        | 2011[138]  | 
        Rat  | 
        Rat  | 
        ANAs | 
        - | 
        - | 
        PNR in vivo | 
       
      
        | 2011 [139]  | 
        Rat | 
        In vitro | 
        - | 
        DM | 
        SC-like    cells  | 
        - | 
       
      
        | 2011[140]  | 
        Rat  | 
        Rat  | 
        Chitosan/ silk fibroin | 
        - | 
        - | 
        PNR in vivo | 
       
      
        | 2011[141]  | 
        Human  | 
        In vitro | 
        - | 
        BHA, RA, EGF, and bFGF  | 
        Neuron-like    cells  | 
        Neuronal differentiation  | 
       
      
        | 2011[142]  | 
        Rat   | 
        Rat  | 
        ADMT | 
        - | 
        - | 
        Cavernous nerve in vivo | 
       
      
        | 2011[143]  | 
        Rat  | 
        Rat  | 
        Fibrin  | 
        DM | 
        SC-like    cells | 
        PNR in vivo | 
       
      
        | 2011[144]  | 
        Rat  | 
        In vitro | 
        - | 
        DM | 
        SC-like    cells | 
        ADSC from SC and PN fat were more effective [2]  | 
       
      
        | 2011[145]  | 
        Mice | 
        Mice | 
        Matrigel | 
        - | 
        - | 
        NTF release  | 
       
      
        | 2011[146]  | 
        Rat  | 
        Rat  | 
        Vein graft | 
        - | 
        - | 
        PNR in vivo | 
       
      
        | 2010[147]  | 
        Rat  | 
        Rat  | 
        PHB sheet | 
        - | 
        - | 
        PNR in vivo | 
       
      
        | 2010 [124]  | 
        Rat  | 
        In vitro | 
        PCL and PLLA  | 
        DM | 
        SC | 
        PNR in vitro | 
       
      
        | 2010[148]  | 
        Rat  | 
        Rat  | 
        Fibrin conduit | 
        DM | 
        SC-like    cells | 
        PNR in vivo | 
       
      
        | 2010[149]  | 
        Rat  | 
        Rat  | 
        XANM | 
        DM | 
        SC | 
        PNR in vivo | 
       
      
        | 2010 [150]  | 
        Rat  | 
        Rat | 
        - | 
        DM | 
        SC | 
        CNR in vivo | 
       
      
        | 2009[151]  | 
        Rat  | 
        In vitro | 
        - | 
        DM | 
        SC-like cells  | 
        - | 
       
      
        | 2009[152]  | 
        Rat  | 
        In vitro | 
        - | 
        DM | 
        Glial cell  | 
        NTF release  | 
       
      
        | 2009[153]  | 
        Human  | 
        Nude rat | 
        PCL | 
        - | 
        - | 
        PNR in vivo | 
       
      
        | 2008[154]  | 
        Rat  | 
        In vitro | 
        - | 
        DM | 
        SC-like    cells  | 
        Myelin formation  | 
       
      
        | 2007 [155] | 
        Rat  | 
        In vitro  | 
        - | 
        DM and forskolin  | 
        SC-like morphology | 
        PNR in vivo | 
       
      |