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Wound-healing effect of micronized sacchachitin (mSC) nanogel on corneal epithelium

Authors Chen RN, Lee LW, Chen LC, Ho HO, Lui SC, Sheu MT, Su CH

Received 1 June 2012

Accepted for publication 12 July 2012

Published 28 August 2012 Volume 2012:7 Pages 4697—4706

DOI https://doi.org/10.2147/IJN.S34530

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Ray-Neng Chen,1,* Lin-Wen Lee,2,5,* Ling-Chun Chen,3 Hsiu-O Ho,3 Shiao-Chuan Lui,2 Ming-Thau Sheu,3,4 Ching-Hua Su2
1Department of Cosmetic Science and Management, Mackay Medicine, Nursing and Management College, Taipei, 2Department of Microbiology and Immunology, School of Medicine, College of Medicine, 3School of Pharmacy, College of Pharmacy, 4Clinical Research Center and Traditional Herbal Medicine Research Center, Taipei Medical University Hospital, Taipei Medical University, 5Research Center for Biomedical Devices and Prototyping Production, Taipei Medical University, Taipei, Taiwan, Republic of China

*These authors contributed equally to this work

Abstract: The extraction residue of the Ganoderma fruiting body, named sacchachitin, has been demonstrated to have the potential to enhance cutaneous wound healing by inducing cell proliferation. In this study, a nanogel formed from micronized sacchachitin (mSC) was investigated for the potential treatment of superficial chemical corneal burns. Reportedly, mSC has been produced successfully and its chemical properties confirmed, and physical and rheological properties characterized. An in vitro cell proliferation study has revealed that at the concentrations of 200, 300, and 400 µg/mL, mSC nanogel significantly increased Statens Seruminstitut rabbit corneal (SIRC) cell proliferation after 24 hours of incubation. In cell migration assay, migration of SIRC cell to wound closure was observed after 24 hours of incubation with the addition of 200 µg/mL mSC of nanogel. In an animal study, acceleration of corneal wound healing was probably due to the inhibition of proteolysis. In conclusion, the findings of this study substantiate the potential application of sacchachitin in the form of mSC nanogel for the treatment of superficial corneal injuries.

Keywords: corneal wound healing, sacchachitin, matrix metalloproteinase

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