Gelatin-siloxane hybrid scaffolds with vascular endothelial growth factor induces brain tissue regeneration

Hanzhe Zhang, Tatsushi Kamiya, Takeshi Hayashi, Kanji Tsuru, Kentaro Deguchi, Violeta Lukic, Atsushi Tsuchiya, Toru Yamashita, Satoshi Hayakawa, Yoshio Ikeda, Akiyoshi Osaka, Koji Abe

研究成果: Contribution to journalArticle査読

12 被引用数 (Scopus)

抄録

In the brain after infarction or trauma, the tissue becomes pannecrotic and forms a cavity. In such situation, a scaffold is necessary to produce new tissue. In this study, we implanted a new porous gelatin-siloxane hybrid derived from gelatin and 3-(glycidoxypropyl) trimethoxysilane (gelatin-GPTMS) scaffolds into a brain defect, and investigated whether it makes a new brain tissue. In addition, vascular endothelial growth factor (VEGF) was added on gelatin-GPTMS scaffolds and its effect on tissue regeneration was examined. At 30 days after the implantation, the marginal territory of the scaffolds became occupied by newly formed tissue. Immunohistochemical analysis revealed that the new tissue was constituted by endothelial, astroglial and microglial cells, some of which were labeled for bromodeoxyuridine (BrdU). Addition of VEGF promoted numbers of these cells. Thus, combination of gelatin-GPTMS scaffolds and VEGF is preferable for brain regeneration.

本文言語英語
ページ(範囲)112-117
ページ数6
ジャーナルCurrent Neurovascular Research
5
2
DOI
出版ステータス出版済み - 5 2008

All Science Journal Classification (ASJC) codes

  • Neurology
  • Developmental Neuroscience
  • Cellular and Molecular Neuroscience

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