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[A new human hepatoma cell line: establishment and characterization]
Zhonghua Minguo Wei Sheng Wu Ji Mian Yi Xue Za Zhi = Chinese Journal of Microbiology and Immunology
|August 1, 1982
Summary
A new human hepatoma cell line, HA22T/VGH, was established from a patient. This characterized cell line exhibits tumor formation and secretes specific proteins and liver enzymes.
Area of Science:
- Hepatocellular carcinoma research
- Cell line development
- Cancer biology
Context:
- Established from a 52-year-old male hepatoma patient.
- Maintained through over 100 passages.
- Characterization of a novel human hepatoma cell line.
Purpose:
- To develop and characterize a new human hepatoma cell line for research.
- To assess the tumorigenicity and protein secretion profile of the cell line.
- To provide a tool for studying hepatocellular carcinoma.
Summary:
- The HA22T/VGH cell line, derived from human hepatoma, shows aneuploidy (70-146 chromosomes, mode 73) and anchorage-independent growth (40% colony formation in soft agar).
- Tumorigenicity was confirmed in nude mice, with histopathology consistent with hepatoma.
- The cell line secretes ceruloplasmin, Factor B, C3, C4, Gc-globulin, and alpha 1-acid-glycoprotein, and contains liver-associated enzymes (ALT, TAT, GGT).
- Hepatitis B surface antigen (HBsAg) and alpha-fetoprotein were undetectable.
Impact:
- Provides a valuable in vitro and in vivo model for hepatocellular carcinoma research.
- Facilitates studies on hepatoma cell biology, protein secretion, and enzyme activity.
- Contributes to the understanding of hepatoma pathogenesis and potential therapeutic targets.