Cytotoxic assay and new established cell line of sturgeon...

Chemistry: molecular biology and microbiology – Animal cell – per se ; composition thereof; process of...

Reexamination Certificate

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Reexamination Certificate

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11285305

ABSTRACT:
An object of the present invention is to provide a cytotoxic assay using a new established fish cell line. The invention attained according to the object is a cytotoxic assay, wherein an evaluation of toxicity of a specimen is performed on the basis of its toxicity to an established cell line originated from sturgeon, preferably a STIP-1 cell line (FERM BP-8421) and a STIP-3 cell line (FERM BP-8422). Furthermore, another object of the present invention is to provide a new established cell line expected to be used in the diagnosis of viral infection disease of sturgeon and so on. The invention attained according to the object is an established cell line originated from a sturgeon eyeball, particularly a STIP-1 cell line (FERM BP-8421) and a STIP-3 cell line (FERM BP-8422).

REFERENCES:
Watson et al, “Replication and pathogenesis of white sturgeon iridovirus (WSIV) in experimentally infected white sturgeonAcipenser transmontanusjuveniles and sturgeon cell lines” (Diseases of Aquatic Organisms) 1998. vol. 32, p. 173-184.
Hiramatsu et al, “Vitellogenin-derived yolk proteins in a hybrid sturgeon, best:Identification , characterization & course of proteolysis during embryogenesis” (Comparative Biochemistry & Physiology) 2002. vol. 131 , pp. 429-441.
Babich et al, “Fathead Minnow FHM Cells for Use in In Vitro Cytotoxicity Assays of Aquatic Pollutants” (Ecotoxicology and Environmental Safety) 1987. vol. 14, pp. 78-87.
Hedrick, R. P., et al.; “Two Cell Lines from White Sturgeon;”Transactions of the American Fisheries Society;vol. 120, pp. 528-534. (1991).
Babich, H., et al.; “In Vitro Cytotoxicity Testing of Aquatic Pollutants (Cadmium, Copper, Zinc, Nickel) Using Established Fish Cell Lines;”Ecotoxicology and Environmental Safety;vol. 11, pp. 91-99. (1986).
Magwood, S., et al.; “In Vitro Alternative to Whole Animal Testing. Comparative Cytotoxicity Studies of Divalent Metals in Established Cell Lines Derived From Tropical and Temperate Water Fish Species in a Neutral Red Assay;”Marine Environmental Research;vol. 42, No. 1-4, pp. 37-49. (1996).
Li, M. F., et al.; “Fish cell culture: two newly developed cell lines from Atlantic sturgeon (Acipenser oxyrhynchus) and guppy (Poecilia reticulata);”Can. J. Zool.;vol. 63, pp. 2867-2874. (1985).

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