Regulating Schwann cells growth by chitosan micropatterning for peripheral nerve regeneration in vitro.
To address the effect of chitosan micropatterning on nerve regeneration, two sizes of parallel microstripes of chitosan are fabricated on the surface of coverslips using a micromodeling method. The morphology of the prepared polydimethylsiloxane stamps and chitosan micropatterning is observed by scanning electron microscopy and the wettability of the prepared micropatterning is evaluated using water contact-angle measurements. Schwann cell (SC) culture is used to evaluate the effect of chitosan micropatterning on cell behavior. The results show that the stripe-like chitosan micropatterning can be successfully fabricated on coverslip surfaces. SCs on 30/30 μm chitosan micropatterning shows the most obvious cell orientation. Moreover, the secretion of nerve growth factor by SCs indicate that the chitosan micropatterning has no negative influence on the normal physiological function of the cells. Thus, the study suggests that chitosan micropatterning can induce and regulate the growth of SCs well, which may have potential application in peripheral nerve regeneration.
Jiangsu Key Laboratory of Neuroregeneration, Nantong University, 226001, Nantong, P.R. China.
Guicai
G
Li
Xueying
X
Zhao
Luzhong
L
Zhang
Caiping
C
Wang
Yunwei
Y
Shi
Yumin
Y
Yang
D000704:Analysis of Variance; D018929:Cell Culture Techniques; D048271:Chitosan / Q000627:therapeutic use*; D004129:Dimethylpolysiloxanes / Q000737:chemistry; D006801:Humans; D007150:Immunohistochemistry; D066298:In Vitro Techniques; D008855:Microscopy, Electron, Scanning; D009414:Nerve Growth Factors / Q000378:metabolism; D009416:Nerve Regeneration / Q000502:physiology*; D059348:Peripheral Nerve Injuries / Q000628:therapy*; D010525:Peripheral Nerves / Q000502:physiology*; D012583:Schwann Cells / Q000502:physiology*; D023822:Tissue Engineering / Q000379:methods*
D004129:Dimethylpolysiloxanes; D009414:Nerve Growth Factors; D048271:Chitosan
chitosan; micropatterning; miromodeling; peripheral nerve regeneration; schwann cells