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Jang SI, Mok JY, Jeon IH, Park KH, Nguyen TTT, Park JS, Hwang HM, Song MS, Lee D, Chai KY. Effect of electrospun non-woven mats of dibutyryl chitin/poly(lactic acid) blends on wound healing in hairless mice. Molecules 2012; 17:2992-3007. [PMID: 22406903 PMCID: PMC6268908 DOI: 10.3390/molecules17032992] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Revised: 03/04/2012] [Accepted: 03/06/2012] [Indexed: 02/02/2023] Open
Abstract
The aim of this study was to examine the proliferative ability of dibutyryl chitin (DBC) on scratch wounds in HaCaT keratinocytes and to evaluate the effect of nanoporous non-woven mat (DBCNFM) on skin wound healing in hairless mice using the advantages of DBCNFM, such as high porosity and high surface area to volume. The cell spreading activity of DBC was verified through a cell spreading assay in scratched human HaCaT keratinocytes. Scratch wound experiments showed that DBC notably accelerates the spreading rate of HaCaT keratinocytes in a dose dependent manner. The molecular aspects of the healing process were also investigated by hematoxylin & eosin staining of the healed skin, displaying the degrees of reepithelialization and immunostaining on extracellular matrix synthesis and remodeling of the skin. Topical application of DBCNFM significantly reduced skin wound rank scores and increased the skin remodeling of the wounded hairless mice in a dose dependent way. Furthermore, DBCNFM notably increased the expression of the type 1 collagen and filaggrin. These results demonstrate that DBC efficiently accelerates the proliferation of HaCaT keratinocytes and DBCNFM notably increases extracellular matrix synthesis on remodeling of the skin, and these materials are a good candidate for further evaluation as an effective wound healing agent.
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Affiliation(s)
- Seon Il Jang
- School of Alternative Medicine and Health Science, College of Alternative Medicine, Jeonju University, Jeonju 560-759, Korea; (S.I.J.); (J.Y.M.); (I.H.J.)
| | - Ji Ye Mok
- School of Alternative Medicine and Health Science, College of Alternative Medicine, Jeonju University, Jeonju 560-759, Korea; (S.I.J.); (J.Y.M.); (I.H.J.)
| | - In Hwa Jeon
- School of Alternative Medicine and Health Science, College of Alternative Medicine, Jeonju University, Jeonju 560-759, Korea; (S.I.J.); (J.Y.M.); (I.H.J.)
| | - Kwang-Hyun Park
- Department of Biochemistry, Chonbuk National University Medical School, Jeonju 561-756, Korea;
| | - Thuy Thi Thu Nguyen
- Center of Chemical Technology, Division of Chemical Engineering, Hankyong National University, 167 Chungang-ro, Anseong-si, Gyeonggi-do 456-749, Korea; (T.T.T.N.); (J.S.P.)
| | - Jun Seo Park
- Center of Chemical Technology, Division of Chemical Engineering, Hankyong National University, 167 Chungang-ro, Anseong-si, Gyeonggi-do 456-749, Korea; (T.T.T.N.); (J.S.P.)
| | - Hee Min Hwang
- Division of Bio Nano Chemistry, College of Natural Sciences, Wonkwang University, Iksan 570-749, Korea; (H.M.H.); (M.-S.S.); (D.L.)
| | - Mi-Sun Song
- Division of Bio Nano Chemistry, College of Natural Sciences, Wonkwang University, Iksan 570-749, Korea; (H.M.H.); (M.-S.S.); (D.L.)
| | - Duckhee Lee
- Division of Bio Nano Chemistry, College of Natural Sciences, Wonkwang University, Iksan 570-749, Korea; (H.M.H.); (M.-S.S.); (D.L.)
| | - Kyu Yun Chai
- Division of Bio Nano Chemistry, College of Natural Sciences, Wonkwang University, Iksan 570-749, Korea; (H.M.H.); (M.-S.S.); (D.L.)
- Author to whom correspondence should be addressed; ; Tel.: +82-63-850-6230; Fax: +82-63-850-7312
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Borsey DQ, Hopwood D, Montgomery AJ, Walsh DB, Jung RT. Previously unreported abnormalities of dermal basement membranes and collagen fibrils in a patient with X-linked spondyloepiphyseal dysplasia tarda. Postgrad Med J 1986; 62:943-6. [PMID: 3774727 PMCID: PMC2419045 DOI: 10.1136/pgmj.62.732.943] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Electron microscopic findings of the skin biopsy of a boy with spondyloepiphyseal dysplasia tarda showed several novel features. The basement membrane of the epidermis showed focal irregular thickening and reduplication. The collagen fibres showed foci of fibrous long spacing collagen and marked variation in fibre diameter. Taken together these abnormalities have not been reported in any other condition.
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