Osteogenesis of Multipotent Progenitor Cells using the Epigallocatechin Gallate-Modified Gelatin Sponge Scaffold in the Rat Congenital Cleft-Jaw Model

Sasayama, Satoshi; Hara, Tomoya; Tanaka, Tomonari; Honda, Yoshitomo; Baba, Shunsuke

doi:10.3390/ijms19123803

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Osteogenesis of Multipotent Progenitor Cells using the Epigallocatechin Gallate-Modified Gelatin Sponge Scaffold in the Rat Congenital Cleft-Jaw Model

¹,

¹,

^2,*,†

^3,*,†

and

Shunsuke Baba

Department of Oral Implantology, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan

Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan

Institute of Dental Research, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan

Authors to whom correspondence should be addressed.

^†

These authors contributed equally to this work.

Int. J. Mol. Sci. 2018, 19(12), 3803; https://doi.org/10.3390/ijms19123803

Received: 7 November 2018 / Revised: 25 November 2018 / Accepted: 26 November 2018 / Published: 29 November 2018

(This article belongs to the Special Issue Functional Materials for Bone Regeneration: Biomaterials and Cells)

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Abstract

Cost-effective and functionalized scaffolds are in high demand for stem-cell-based regenerative medicine to treat refractory bone defects in craniofacial abnormalities and injuries. One potential strategy is to utilize pharmacological and cost-effective plant polyphenols and biocompatible proteins, such as gelatin. Nevertheless, the use of chemically modified proteins with plant polyphenols in this strategy has not been standardized. Here, we demonstrated that gelatin chemically modified with epigallocatechin gallate (EGCG), the major catechin isolated from green tea, can be a useful material to induce bone regeneration in a rat congenial cleft-jaw model in vivo when used with/without adipose-derived stem cells or dedifferentiated fat cells. Vacuum-heated gelatin sponges modified with EGCG (vhEGCG-GS) induced superior osteogenesis from these two cell types compared with vacuum-heated gelatin sponges (vhGS). The EGCG-modification converted the water wettability of vhGS to a hydrophilic property (contact angle: 110° to 3.8°) and the zeta potential to a negative surface charge; the modification enhanced the cell adhesion property and promoted calcium phosphate precipitation. These results suggest that the EGCG-modification with chemical synthesis can be a useful platform to modify the physicochemical property of gelatin. This alteration is likely to provide a preferable microenvironment for multipotent progenitor cells, inducing superior bone formation in vivo. View Full-Text

Keywords: plant polyphenol; EGCG; gelatin; bone formation; congenital bone defect; dedifferentiated fat cell; adipose-derived stem cell; scaffold

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Sasayama, S.; Hara, T.; Tanaka, T.; Honda, Y.; Baba, S. Osteogenesis of Multipotent Progenitor Cells using the Epigallocatechin Gallate-Modified Gelatin Sponge Scaffold in the Rat Congenital Cleft-Jaw Model. Int. J. Mol. Sci. 2018, 19, 3803. https://doi.org/10.3390/ijms19123803

AMA Style

Sasayama S, Hara T, Tanaka T, Honda Y, Baba S. Osteogenesis of Multipotent Progenitor Cells using the Epigallocatechin Gallate-Modified Gelatin Sponge Scaffold in the Rat Congenital Cleft-Jaw Model. International Journal of Molecular Sciences. 2018; 19(12):3803. https://doi.org/10.3390/ijms19123803

Chicago/Turabian Style

Sasayama, Satoshi, Tomoya Hara, Tomonari Tanaka, Yoshitomo Honda, and Shunsuke Baba. 2018. "Osteogenesis of Multipotent Progenitor Cells using the Epigallocatechin Gallate-Modified Gelatin Sponge Scaffold in the Rat Congenital Cleft-Jaw Model" International Journal of Molecular Sciences 19, no. 12: 3803. https://doi.org/10.3390/ijms19123803

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Osteogenesis of Multipotent Progenitor Cells using the Epigallocatechin Gallate-Modified Gelatin Sponge Scaffold in the Rat Congenital Cleft-Jaw Model

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