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Published on: June 29, 2012
Isolation of rat alpha-fetoprotein from Morris hepatoma 7777
Abstract:
1. Tissue slices from Morris hepatoma 7777 were incubated for 3 hr in Krebs-Ringer-bicarbonate solution and the cell-free supernatants were used for isolating alpha-fetoprotein. 2. Purification procedure included salting out with ammonium sulphate, affinity chromatography (either Concanavalin A-Sepharose or Cibacron-Blue-Sepharose), hydrophobic chromatography and preparative polyacrylamide gel electrophoresis (PAGE). 3.alpha-Fetoprotein was obtained with a yield of approx. 10% and in pure form, as judged from crossed immunoelectrophoresis and sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE).
Insights
Researchers purified alpha-fetoprotein from Morris hepatoma 7777. This study details a multi-step purification process yielding pure alpha-fetoprotein for potential research applications.
Area of Science:
- Biochemistry
- Oncology
- Protein Purification
Background:
- Alpha-fetoprotein (AFP) is a crucial biomarker in hepatocellular carcinoma.
- Efficient isolation of AFP is essential for diagnostic and research purposes.
Purpose of the Study:
- To develop and optimize a purification protocol for alpha-fetoprotein.
- To obtain pure alpha-fetoprotein from Morris hepatoma 7777 tissue.
Main Methods:
- Incubation of Morris hepatoma 7777 tissue slices.
- Multi-step purification involving salting out, affinity chromatography (Concanavalin A-Sepharose or Cibacron-Blue-Sepharose), hydrophobic chromatography, and preparative PAGE.
- Purity assessment using crossed immunoelectrophoresis and SDS-PAGE.
Main Results:
- Alpha-fetoprotein was successfully isolated from hepatoma tissue.
- A purification yield of approximately 10% was achieved.
- The isolated alpha-fetoprotein was confirmed to be in a pure form.
Conclusions:
- A robust purification method for alpha-fetoprotein has been established.
- The protocol yields pure AFP suitable for further investigation.
- This method facilitates the availability of AFP for research and diagnostic studies.
