Related by context. Frequent words. (Click for all words.) 61 mesenchymal stem cells MSCs 57 neurotrophic factors 56 cartilage regeneration 56 Sertoli cells 56 PLX cells 55 fibroblast cells 55 neovascularization 55 retinal pigment epithelium 55 cell transplantation 55 lentiviral vectors 54 Elafin 54 pancreatic tissue 54 splenic 54 tissue grafts 54 Cutaneous 54 Retisert 54 osteoblast 53 Allograft 53 xenograft 53 intervertebral disc 53 mononuclear cells 53 epithelia 53 placental tissue 52 autologous bone marrow 52 Hyaluronic acid 52 solid organ transplantation 52 cyclosporin 52 Chrysalin 52 pituitary tumors 52 scleral 52 dural 52 Factor VIIa 52 periosteum 51 stromal 51 minimally invasive technique 51 anal canal 51 bone morphogenetic protein 51 Tβ4 51 hypoplasia 51 gastrointestinal stromal tumors GIST 51 renal arteries 51 myoblasts 51 Computed tomography 51 experimentally induced 51 sclera 51 Eculizumab 51 collagenase 50 P#X# 50 Thrombin 50 cells hESCs 50 RPE cells 50 synovial 50 aqueous humor 50 hematopoietic cells 50 Cethrin 50 Amplimexon 50 ectopic 50 hematopoietic cell 50 TB4 50 peritoneal cavity 50 Botulinum toxin 50 TNFa 50 lamellar 50 oncolytic virus 50 diseased tissues 50 anticancer therapy 49 Hyaluronic Acid 49 pericardium 49 microinjection 49 pancreatic islets 49 monoclonal 49 tricuspid valve 49 transplanted stem cells 49 Proxinium TM 49 collagen matrix 49 hyperbaric oxygen 49 cerebrospinal fluid CSF 49 conjunctiva 49 vaginal tissue 49 immunohistochemical 49 bioresorbable 49 autologous adult 49 trabecular 49 endoscopically 49 Autologous 49 pleura 49 pericytes 49 pancreatic duct 49 vitro studies 49 erectile tissue 49 urogenital tract 49 neurotrophins 49 conjunctival 48 corneal tissue 48 NRG1 48 iliac 48 PlGF 48 molecular biomarkers 48 intestinal tissue 48 exosomes 48 chondrocytes