Accelerated epidermal regeneration and improved dermal reconstruction achieved by polyethersulfone nanofibers.
BACKGROUND
In this study, thick polyethersulfone (PES) nanofibrous scaffolds were prepared by fine tuning of electrospinning parameters and was evaluated for wound dressing applications.


METHODS
Scanning electron microscopy and Brunauer-Emmett-Teller methods were used for PES nanofibers characterization. The interaction between fibroblasts and nanofibers was studied in vitro. Further, a mouse model was used to evaluate the effectiveness of the PES scaffold in wound healing. Vaseline gauze dressing and a conventional gas permeable bandage were used as a control. The wound repair process was evaluated by histological examination and immunohistochemistry staining using antibodies to cytokeratin 10 (CK10), proliferating cell nuclear antigen (PCNA), and alpha-smooth muscle actin (alpha-SMA).


CONCLUSIONS
The characterization of nanofibers showed that the PES membrane has nanoscale, porous, high surface area structure. These properties conferred higher exudate absorption capacity for the PES scaffold which is essential for effective wound healing. In vitro results indicated that the PES scaffold can support fibroblast proliferation similar to that with tissue culture polystyrene. Epithelial regeneration was expeditiously accelerated under PES as compared with Vaseline gauze. Greater fibroblast maturation, improved collagen deposition and faster edema resolution were the superior properties of PES over the commercial dressing. Based on these results we conclude that the biocompatible PES nanofibers can effectively be used as a dressing to accelerate wound healing.
Babaeijandaghi
Farshad
F
Stem Cell Biology Department, Stem Cell Technology Research Center, Tehran, Iran.
Shabani
Iman
I
Seyedjafari
Ehsan
E
Naraghi
Zahra Safaei
ZS
Vasei
Mohammad
M
Haddadi-Asl
Vahid
V
Hesari
Kambiz Kamyab
KK
Soleimani
Masoud
M
D000818:Animals; D001672:Biocompatible Materials / Q000494:pharmacology; D002470:Cell Survival / Q000187:drug effects; D020405:Dermis / Q000187:drug effects / Q000502:physiology*; D004817:Epidermis / Q000187:drug effects / Q000502:physiology*; D005347:Fibroblasts / Q000166:cytology / Q000187:drug effects / Q000648:ultrastructure; D053550:Keratin-10 / Q000378:metabolism; D008297:Male; D051379:Mice; D008807:Mice, Inbred BALB C; D057139:Nanofibers / Q000737:chemistry* / Q000648:ultrastructure; D011108:Polymers / Q000737:chemistry / Q000494:pharmacology*; D018809:Proliferating Cell Nuclear Antigen / Q000378:metabolism; D019651:Plastic Surgery Procedures / Q000379:methods*; D012038:Regeneration / Q000187:drug effects*; D013194:Staining and Labeling; D013450:Sulfones / Q000737:chemistry / Q000494:pharmacology*; D014945:Wound Healing / Q000187:drug effects
D001672:Biocompatible Materials; D011108:Polymers; D018809:Proliferating Cell Nuclear Antigen; D013450:Sulfones; D053550:Keratin-10; C022840:polyether sulfone