Abstract
White-spotted charr (Salvelinus leucomaenis, S. I.) is an anadromous cold water-adapted fish, distributed in the Far East. We have previously reported the complete mitochondrial DNA sequences of white-spotted chars (S. l. imbrius and S. l. pluvius) in Japan. In general, fish hepatocytes are useful for cellular and biochemical studies of fish. In this study, we isolated hepatocytes from the liver of white-spotted charr and used basic methods, such as enzyme digestion and low centrifugation, to analyze the molecular mechanisms involved in specific cellular responses. The isolated hepatocytes could be cultured at 5–20 °C but not 37 °C. The morphology of hepatocytes was altered in a temperature-dependent manner. The properties of hepatocyte were similar to those of living fish. Moreover, the proliferation rate and damage of isolated hepatocytes depended on the concentration of fetal bovine serum in the culture medium. Taken together, this study demonstrates that this simple method for isolation and culture of hepatocytes from white-spotted charr may be useful for other biochemical and cellular studies.
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The data that support the findings of this study are available from the corresponding author upon reasonable request.
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Acknowledgements
We thank Mr. Yuji Tasaki, Ms. Rika Imaizumi and Mr. Tetsushi Seki for experimental support. We thank Prof. Naomi Kamimura for scientific advice.
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KI, YA, NS, CY, TS and HH conceived and designed the experiments. KI, YA, and KS performed the experiments and contributed the data analysis. KI, YA and TS wrote the manuscript. All authors contributed critically to drafts and gave final approval for submitting.
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Iuchi, K., Arai, Y., Sasaki, K. et al. A simple method for isolation and culture of primary hepatocytes from Salvelinus leucomaenis (White-spotted Charr). Cytotechnology 72, 731–739 (2020). https://doi.org/10.1007/s10616-020-00415-6
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DOI: https://doi.org/10.1007/s10616-020-00415-6