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A simple method for the cultivation of rat liver cells
Abstract:
A simple method to culture rat liver parenchymal cells is described. Minced liver tissues were dissociated with no pre-perfusion by a newly developed enzyme, bacterial neutral proteinase, and cultured in the medium consisting of 10% fetal calf serum and 90% of a new synthetic medium, DM-153. By the adequate technique of primary dissociation and first subcultivation, parenchymal cells were selected. Cultivation in arginine-free medium was also useful in selecting them. The cultured cells exhibited activities of certain enzymes similar to those of liver cells in vivo. Cell strains have been successively established from liver tissues of embryo, suckling and adult rats. Liver cells, however, cultured in this way, can also be used for experiments in the early stage of serial cultivation.
Insights
A novel method efficiently cultures rat liver parenchymal cells using bacterial neutral proteinase and a synthetic medium (DM-153). This technique enables successful cell strain establishment and preserves in vivo enzyme activity for research.
Area of Science:
- Hepatology
- Cell Biology
- Biotechnology
Background:
- Primary rat liver cell culture is crucial for toxicological and metabolic studies.
- Existing methods often require complex pre-perfusion techniques.
- Developing simpler, more efficient cell culture protocols is essential.
Purpose of the Study:
- To establish a straightforward method for culturing rat liver parenchymal cells.
- To evaluate a novel enzyme for tissue dissociation.
- To ensure the cultured cells retain key liver cell functions.
Main Methods:
- Dissociation of minced rat liver tissue using bacterial neutral proteinase without pre-perfusion.
- Culturing cells in a medium comprising 10% fetal calf serum and 90% synthetic medium (DM-153).
- Employing specific techniques for primary dissociation and subcultivation, including arginine-free medium, for cell selection.
Main Results:
- Successful isolation and culture of rat liver parenchymal cells.
- Demonstrated retention of in vivo-like enzyme activities in cultured cells.
- Established stable cell strains from various rat ages (embryo, suckling, adult).
Conclusions:
- The described method provides a simple and effective approach for rat liver parenchymal cell culture.
- The cultured cells maintain significant biological functions, suitable for early-stage serial cultivation experiments.
- This technique facilitates research in liver physiology and toxicology.