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Preparation of single cell suspension from rat liver. A simple method designed for immunologic studies
Biomedicine / [Publiee Pour L'A.A.I.C.I.G.]
|February 1, 1978
Summary
Researchers developed a method to isolate rat liver cells (hepatocytes) without enzymes. These isolated hepatocytes actively synthesize urea and proteins, making them suitable for studying cell surface receptors in immune recognition.
Area of Science:
- Hepatobiliary science
- Cell biology
- Immunology
Background:
- Isolating viable hepatocytes is crucial for studying liver function and immune interactions.
- Traditional methods often involve enzymes that can alter cell surface properties.
Purpose of the Study:
- To establish a non-enzymatic method for preparing rat liver single-cell suspensions.
- To assess the viability and functional capacity of isolated hepatocytes.
Main Methods:
- In vivo liver perfusion using a calcium-depleted, sodium citrate-containing solution.
- Cell dissociation through a chromium-nickel screen with calcium and saccharose.
- Gravity sedimentation for cell separation.
- Incubation in Waymouth's medium with horse serum and bovine serum albumin (BSA).
Main Results:
- Successfully isolated rat liver cells (hepatocytes) without enzymatic treatment.
- Demonstrated active synthesis of urea and proteins by the isolated hepatocytes.
- Confirmed incorporation of [3H] thymidine, indicating cellular metabolic activity.
- Isolated hepatocytes met criteria for studying cell surface receptors.
Conclusions:
- A novel, non-enzymatic method for isolating functional rat hepatocytes was developed.
- The isolated hepatocytes are suitable for research into cell surface receptors and immunologic recognition.
- This method provides a valuable tool for hepatobiliary and immunological research.