In Vitro Cellular & Developmental Biology

, Volume 21, Issue 4, pp 221–228 | Cite as

Trout hepatocyte culture: Isolation and primary culture

  • James E. Klaunig
  • Randall J. Ruch
  • Peter J. Goldblatt


Rainbow trout (Salmo gairdneri) hepatocytes were isolated using a two-step perfusion through the portal vein. A typical perfusion yielded 2.92×106 liver cells with a mean viability of 96.3%. Hepatocytes comprised 93.4% of the total cell isolate. Survival of hepatocytes in suspension culture was dependent on fetal bovine serum concentration and temperature of incubation. Serum concentrations of 5, 10, and 20% produced the highest survival during primary culture. Hepatocyte survival was in inverse proportion to the incubation temperature. Trout hepatocyte DNA synthesis and mitosis decreased during the culture period. Cytochromep450 activity decreased rapidly during the first 2 d of culture and then remained low but measurable during the remaining 8 d of culture. Culture temperature also influenced thep450 activity with lower temperatures producing greater activity. Morphologic changes occurred in the cells during culture. Isolated hepatocytes self-aggregated, forming strands and clumps that increased in size with time in culture. Junctional complexes between cells were evident within the aggregates. Nuclear atypia, increases in size and number of autophagic vacuoles, and the appearance of bundles of intermediate filaments also were observed with increased time in culture.

Key words

trout hepatocyte culture teleost liver 


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Copyright information

© Tissue Culture Association, Inc 1985

Authors and Affiliations

  • James E. Klaunig
    • 1
  • Randall J. Ruch
    • 1
  • Peter J. Goldblatt
    • 1
  1. 1.Department of PathologyMedical College of OhioToledo

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