[Microgravity culture of hepatocytes on cellulose/gelatin macroporous microcarrier]. 2010

Zhi Zhang, and Huan-cheng Zhou, and Zhi-guo Li, and Ming-xin Pan, and Zhong Wang, and Yi Gao
Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China. mshijizhang@163.com

OBJECTIVE To compare macroporous microcarrier Cytopore 2 and Cultispher S for their effects in microgravity culture of CL-1 cells. METHODS CL-1 cells were cultured on Cytopore 2 and Cultispher S respectively in a rotational cell culture system (RCCS) in a volume of 50 ml. Dynamic morphological observation and cell counting and functional test were carried out during the cell culture. RESULTS The cells were capable of adhering to and proliferating on both of the microcarriers, reaching the growth peak on day 9 of cell culture with the maximum cell density of 4x10(6)/ml on cultispher S. Albumin was significantly higher in the supernatant of Cytopore 2 than in that of Cultispher S on days 10, 11, and 12 (P<0.05), and the urea level in the supernatant of cytopore 2 was also significantly higher on days 10 and 11 (P<0.05). CONCLUSIONS The cells cultured on Cytopore 2, though with a smaller cell number, display better functions than those cultured on Cultispher S under RCCS conditions.

UI MeSH Term Description Entries
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D002482 Cellulose A polysaccharide with glucose units linked as in CELLOBIOSE. It is the chief constituent of plant fibers, cotton being the purest natural form of the substance. As a raw material, it forms the basis for many derivatives used in chromatography, ion exchange materials, explosives manufacturing, and pharmaceutical preparations. Alphacel,Avicel,Heweten,Polyanhydroglucuronic Acid,Rayophane,Sulfite Cellulose,alpha-Cellulose,Acid, Polyanhydroglucuronic,alpha Cellulose
D005780 Gelatin A product formed from skin, white connective tissue, or bone COLLAGEN. It is used as a protein food adjuvant, plasma substitute, hemostatic, suspending agent in pharmaceutical preparations, and in the manufacturing of capsules and suppositories. Gelafusal
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014893 Weightlessness Condition in which no acceleration, whether due to gravity or any other force, can be detected by an observer within a system. It also means the absence of weight or the absence of the force of gravity acting on a body. Microgravity, gravitational force between 0 and 10 -6 g, is included here. (From NASA Thesaurus, 1988) Microgravity,Zero Gravity,Gravity, Zero
D016062 Porosity Condition of having pores or open spaces. This often refers to bones, bone implants, or bone cements, but can refer to the porous state of any solid substance. Porosities
D054457 Tissue Scaffolds Cell growth support structures composed of BIOCOMPATIBLE MATERIALS. They are specially designed solid support matrices for cell attachment in TISSUE ENGINEERING and GUIDED TISSUE REGENERATION uses. Tissue Scaffolding,Scaffold, Tissue,Scaffolding, Tissue,Scaffoldings, Tissue,Scaffolds, Tissue,Tissue Scaffold,Tissue Scaffoldings
D018929 Cell Culture Techniques Methods for maintaining or growing CELLS in vitro. Cell Culture,Cell Culture Technique,Cell Cultures,Culture Technique, Cell,Culture Techniques, Cell
D019164 Liver, Artificial Devices for simulating the activities of the liver. They often consist of a hybrid between both biological and artificial materials. Artificial Liver,Bioartificial Liver,Artificial Livers,Bioartificial Livers,Liver, Bioartificial,Livers, Artificial,Livers, Bioartificial

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