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Effects of phosphate ion concentration on in-vitro fibrillogenesis of sturgeon type I collagen

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Title: Effects of phosphate ion concentration on in-vitro fibrillogenesis of sturgeon type I collagen
Authors: Meng, Dawei Browse this author
Li, Wen Browse this author
Ura, Kazuhiro Browse this author →KAKEN DB
Takagi, Yasuaki Browse this author →KAKEN DB
Keywords: Sturgeon type I collagen
Phosphate ion
Fibril formation
Fibril morphology
Fibroblast morphology
Issue Date: 1-Apr-2020
Publisher: Elsevier
Journal Title: International Journal of Biological Macromolecules
Volume: 148
Start Page: 182
End Page: 191
Publisher DOI: 10.1016/j.ijbiomac.2020.01.128
Abstract: Nonmammalian collagens have attracted significant attention owing to their potential for use as a source of cell scaffolds for tissue engineering. Since the morphology of collagen fibrils controls cell proliferation and differentiation, its regulation is essential for fabricating scaffolds with desirable characteristics. In this study, we evaluated the effects of the phosphate ion (Pi) concentration on the characteristics of fibrils formed from swim bladder type I collagen (SBC) and skin type I collagen (SC) from the Bester sturgeon. An increase in the Pi concentration decreased the fibril formation rate, promoted the formation of thick fibrils, and increased the thermal stability of the fibrils for both SBC and SC. However, the SBC and SC fibrils exhibited different fibril formation rates, degrees of fibrillogenesis, morphologies, and denaturation temperatures for the same reaction conditions. Finally, by regulating the Pi concentration, various types of SBC and SC fibrils could be coated on cell culture wells, and fibroblasts could be cultured on them. The results showed that thin fibrils enhance fibroblast extension and proliferation, whereas thick fibrils restrain fibroblast extension but orient them in the same direction. The results of this study suggest that SBC fibrils, which exhibit diverse morphologies, are suitable for use as a novel scaffold material, whose characteristics can be tailored readily by varying the Pi concentration.
Rights: © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Type: article (author version)
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 都木 靖彰

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