Effect of a hepatocyte growth factor/heparin-immobilized collagen system on albumin synthesis and spheroid formation by hepatocytes

Yung Te Hou, Hiroyuki Ijima, Shunichi Matsumoto, Takafumi Kubo, Takayuki Takei, Shinji Sakai, Koei Kawakami

Research output: Contribution to journalArticle

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Abstract

A hepatocyte growth factor (HGF)/heparin-immobilized collagen system was used as a synthetic extracellular matrix for hepatocyte culture. The albumin synthesis, nucleus numbers and morphology of the hepatocytes were determined separately to evaluate the hepatocyte number and hepatocyte-specific function under this system. The benefits of the HGF/heparin-immobilized collagen system for hepatocyte culture were confirmed by three types of culture methods in vitro, namely 2D film cultures, 2D gel cultures and 3D gel cultures. In 2D collagen film cultures, hepatocytes exhibited the highest albumin synthesis (1.42 μg/well/day) in HGF/heparin-immobilized collagen films at 7 days of culture. Heparin inhibited hepatocyte adhesion while HGF promoted hepatocyte migration, and spheroid formation was easily detected in HGF/heparin-immobilized collagen films. In 2D collagen gel cultures, albumin synthesis of around 15 μg/well/day was detected and maintained for more than 18 days on HGF/heparin-immobilized collagen gels. Similar findings were obtained in 3D HGF/heparin-immobilized collagen gel cultures, which exhibited albumin synthesis of up to 30 μg/well/day. The albumin synthesis by hepatocytes was two-fold higher in 3D gel cultures compared with 2D gel cultures, and was maintained for over 2 weeks compared with 2D film cultures using the HGF/heparin-immobilized collagen system. Taken together, the HGF/heparin-immobilized collagen system was effective for albumin synthesis by hepatocytes in both 2D film cultures and 3D gel cultures, and therefore shows good potential for tissue engineering use.

Original languageEnglish
Pages (from-to)208-216
Number of pages9
JournalJournal of Bioscience and Bioengineering
Volume110
Issue number2
DOIs
Publication statusPublished - Aug 1 2010

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Hepatocyte Growth Factor
Collagen
Heparin
Hepatocytes
Albumins
Gels
Intercellular Signaling Peptides and Proteins
Bioelectric potentials
Tissue Engineering
Tissue engineering
Extracellular Matrix
Adhesion

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

Cite this

Effect of a hepatocyte growth factor/heparin-immobilized collagen system on albumin synthesis and spheroid formation by hepatocytes. / Hou, Yung Te; Ijima, Hiroyuki; Matsumoto, Shunichi; Kubo, Takafumi; Takei, Takayuki; Sakai, Shinji; Kawakami, Koei.

In: Journal of Bioscience and Bioengineering, Vol. 110, No. 2, 01.08.2010, p. 208-216.

Research output: Contribution to journalArticle

Hou, Yung Te ; Ijima, Hiroyuki ; Matsumoto, Shunichi ; Kubo, Takafumi ; Takei, Takayuki ; Sakai, Shinji ; Kawakami, Koei. / Effect of a hepatocyte growth factor/heparin-immobilized collagen system on albumin synthesis and spheroid formation by hepatocytes. In: Journal of Bioscience and Bioengineering. 2010 ; Vol. 110, No. 2. pp. 208-216.
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