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Establishment of hematopoietic tissue primary cell cultures from the giant freshwater prawn Macrobrachium rosenbergii

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Abstract

The giant freshwater prawn Macrobrachium rosenbergii is one of the most important aquaculture species in Southeast Asia. In this study, in vitro culture of its hematopoietic tissue cells was achieved and characterized for use as a tool to study its pathogens that cause major farm losses. By transmission electron microscopy, the ultrastructure of the primary culture cells was similar to that of cells lining intact hematopoietic tissue lobes. Proliferating cell nuclear antigen (PCNA) (a marker for hematopoietic stem cell proliferation) was detected in some of the cultured cells by polymerase chain reaction (PCR) testing and flow cytometry. Using a specific staining method to detect phenoloxidase activity and using PCR to detect expression markers for semigranular and granular hemocytes (e.g., prophenoloxidase activating enzyme and prophenoloxidase) revealed that some of the primary cells were able to differentiate into mature hemocytes within 24 h. These results showed that some cells in the cultures were hematopoietic stem cells that could be used to study other interesting research topics (e.g. host pathogen interactions and development of an immortal hematopoietic stem cell line).

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Acknowledgements

We would like to express our thanks to Mahidol University for supporting our work. Our sincere thanks also go to the staff and students at the Faculty of Sciences, Mahidol University and the Integrative Aquaculture Biotechnology Research Group, National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency, Thailand, for their support. Finally, our special thanks to Prof. Timothy Flegel for his comments and proofreading of this article.

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Conceptualization: KT, TK, CC; methodology: KT, TK, AP, PA; validation: KT, AP, LC, PA, RS; formal analysis: KT, AP, LC, PA, RS; investigation: KT, AP, LC, PA, RS; resources: KT, TK, PA, CC; writing—original draft: KT; writing—review and editing: KT, TK, AP, PA, RS, CC, RV, KS; supervision: KT, TK, CC, RV, KS; project administration: KT, TK; funding acquisition: KT, TK, PA, CC, RV, KS.

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Correspondence to Kwanta Thansa or Thanapong Kruangkum.

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The authors declare that they have no conflict of interest to disclose.

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Thansa, K., Kruangkum, T., Pudgerd, A. et al. Establishment of hematopoietic tissue primary cell cultures from the giant freshwater prawn Macrobrachium rosenbergii. Cytotechnology 73, 141–157 (2021). https://doi.org/10.1007/s10616-021-00451-w

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  • DOI: https://doi.org/10.1007/s10616-021-00451-w

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