Hyperdry human amniotic membrane is useful material for tissue engineering: Physical, morphological properties, and safety as the new biological material

Motonori Okabe, Kiyotaka Kitagawa, Toshiko Yoshida, Takuma Suzuki, Hiroki Waki, Chika Koike, Etsuko Furuichi, Kiyoshi Katou, Yoshihiro Nomura, Yoshinori Uji, Atsushi Hayashi, Shigeru Saito, Toshio Nikaido*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Human amniotic membrane (AM) has been used widely as graft biomaterial for a variety of clinical applications. But, there are some persistent problems related to the preparation, storage, and sterilization. To resolve these problems, we developed hyperdry AM (HD-AM) using far-infrared rays, depression of air, and microwaves and then sterilized by γ-ray irradiation. To elucidate the benefit of HD-AM as biological materials, compare with the physical and histological properties of HD-AM with a freeze-dried AM (FD-AM) as typical freeze-dried methods, evaluate the safety of HD-AM in vivo experiment used nude mice, and demonstrate the feasibility of HD-AM transplant in pterygium. The water permeability and the sieving coefficient of HD-AM were significantly lower than that of FD-AM. HD-AM has kept the morphological structure of epithelium and connective tissues. At 18 months after transplanted, single and multilayers of HD-AM in the intraperitoneal cavity was degraded without any infiltrated cells. For clinical treatment, recurrence of pterygium and regrowth of the subconjunctival fibrosis were not observed during the 6-month follow-up periods after the surgery. It was proposed that HD-AM was a safe and effective new biological material for clinical use including treatment for recurrent pterygium. © 2013 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 102A: 862-870, 2014.

Original languageEnglish
Pages (from-to)862-870
Number of pages9
JournalJournal of Biomedical Materials Research - Part A
Volume102
Issue number3
DOIs
StatePublished - 2014/03

Keywords

  • biological material
  • clinical use
  • freeze-dried human amniotic membrane
  • hyperdry human amniotic membrane
  • recurrent pterygium

ASJC Scopus subject areas

  • Ceramics and Composites
  • Biomaterials
  • Biomedical Engineering
  • Metals and Alloys

Fingerprint

Dive into the research topics of 'Hyperdry human amniotic membrane is useful material for tissue engineering: Physical, morphological properties, and safety as the new biological material'. Together they form a unique fingerprint.

Cite this