Culturing of transgenic mice liver tissue slices in three-dimensional microfluidic structures of PEG-DA (poly(ethylene glycol) diacrylate)

Shilpa Sivashankar, Srinivasu Valegerahally Puttaswamy, Ling-hui Lin, Tz-shuian Dai, Chau-ting Yeh, Cheng-hsien Liu

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The bioreactors with an array of multiple wells favoring the maintenance of the three-dimensional (3-D) liver tissue cultures under continuous perfusion have been developed. All bioreactors were fluidically connected to each other. Each bioreactor in the array contains the poly(ethylene glycol) diacrylate (PEG-DA) microstructures, cultured with the mesothelial cells that support the formation of 3-D environment. The mesothelial cells surrounding liver tissue whose primary functions in vivo are to provide a protective adhesive surface and help in tissue repair. The tissue units were continuously perfused with cell culture medium in the bioreactor. After twelve days of culture, the liver tissue surrounded by the mesothelial cells seeded in the perfused multiwell reactor remained functionally viable as assessed by H&E (hematoxylin and eosin) stain and TUNEL (Terminal deoxynucleotidyl transferase (dUTP) nick end labeling) assay examination. The liver tissue shows intact architecture and enhanced viability compared with those in conventional culture dish and incubation systems. The hepatitis B surface antigen (HBsAg) expression of the liver tissue cultured in our bioreactor was also much better when compared to the conventional static culture method. The use of primary liver sample provides more relevant experimental system and potentially replaces the animal based models.
LanguageEnglish
Pages1081-1089
JournalSensors and Actuators B: Chemical
Volume176
DOIs
Publication statusPublished - 1 Jan 2013

Fingerprint

liver
Microfluidics
Liver
bioreactors
Polyethylene glycols
mice
glycols
Bioreactors
ethylene
Tissue
cells
Tissue culture
DNA Nucleotidylexotransferase
hepatitis
culture media
Hematoxylin
Eosine Yellowish-(YS)
Antigens
Hepatitis B Surface Antigens
parabolic reflectors

Keywords

  • Transgenic mice
  • Bioreactor
  • PEGDA

Cite this

Sivashankar, Shilpa ; Puttaswamy, Srinivasu Valegerahally ; Lin, Ling-hui ; Dai, Tz-shuian ; Yeh, Chau-ting ; Liu, Cheng-hsien. / Culturing of transgenic mice liver tissue slices in three-dimensional microfluidic structures of PEG-DA (poly(ethylene glycol) diacrylate). 2013 ; Vol. 176. pp. 1081-1089.
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Culturing of transgenic mice liver tissue slices in three-dimensional microfluidic structures of PEG-DA (poly(ethylene glycol) diacrylate). / Sivashankar, Shilpa; Puttaswamy, Srinivasu Valegerahally; Lin, Ling-hui; Dai, Tz-shuian; Yeh, Chau-ting; Liu, Cheng-hsien.

Vol. 176, 01.01.2013, p. 1081-1089.

Research output: Contribution to journalArticle

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AU - Sivashankar, Shilpa

AU - Puttaswamy, Srinivasu Valegerahally

AU - Lin, Ling-hui

AU - Dai, Tz-shuian

AU - Yeh, Chau-ting

AU - Liu, Cheng-hsien

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