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An established cell line of larval Echinococcus multilocularis.

K Furuya1

  • 1Hokkaido Institute of Public Health, Sapporo, Japan.

International Journal for Parasitology
|April 1, 1991
PubMed
Summary

Researchers established a cell line from Echinococcus multilocularis larval cysts, crucial for studying alveolar hydatid disease. These cells proved to be germinal, capable of forming new cysts in vivo.

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Area of Science:

  • Parasitology
  • Cell Biology
  • Infectious Diseases

Background:

  • Alveolar hydatid disease is caused by Echinococcus multilocularis.
  • Establishing stable cell lines from parasitic organisms is challenging but essential for research.

Purpose of the Study:

  • To establish and characterize a long-term cell line of larval Echinococcus multilocularis.
  • To assess the in vivo differentiation potential of the established cell line.

Main Methods:

  • Primary cell culture from surgically excised E. multilocularis cysts.
  • Enzymatic dissociation using trypsin and culture in RPMI 1640 medium.
  • Morphological, proliferation, and chromosomal analysis of cultured cells.
  • Inoculation of cultured cells into cotton rats to evaluate in vivo infectivity and differentiation.

Main Results:

  • A viable cell line of E. multilocularis was successfully established and maintained.
  • Cultured cells exhibited characteristic morphological changes and stable proliferation rates.
  • Chromosomal analysis revealed a wide range of chromosome numbers, with a predominant telocentric type.
  • Inoculated rats developed echinococcal cyst masses, confirming the germinal and differentiating capacity of the cells in vivo.

Conclusions:

  • The established E. multilocularis cell line is a valuable tool for studying parasite biology and disease pathogenesis.
  • The cells retain their germinal potential and ability to form cystic structures in vivo.
  • This cell line facilitates further research into Echinococcus multilocularis and alveolar hydatid disease.

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