Glucocorticoid-resistant B-lymphoblast cell line derived from the Bolivian squirrel monkey (Saimiri boliviensis boliviensis)

P. D. Reynolds, K. P. Roveda, J. A. Tucker, C. M. Moore, D. L. Valentine, J. G. Scammell

Research output: Contribution to journalArticle

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Abstract

The goal of the study reported here was to develop a continuous cell line from the squirrel monkey that expresses the species-specific phenotype of impaired sensitivity to glucocorticoids. Thirty milliliters of blood from a male Bolivian squirrel monkey (Saimiri boliviensis boliviensis) was fractionated, and the buffy coat was obtained and incubated in the presence of B95-8 cell-conditioned medium, an abundant source of Epstein-Barr virus (EBV), and 2 μg of cyclosporin A/ml. Cell growth was detected within 8 weeks, after which the cells were cloned by use of the limiting dilution method. One clone (4D8) was characterized in detail. The chromosomal count and G-banding pattern confirmed that the cells were of Bolivian squirrel monkey origin. The B-cell origin of these cells was indicated by electron microscopic analysis and was confirmed by expression of CD20. The cells stained strongly for LMP1, a marker of latent EBV infection, and occasionally for the lytic infection marker ZEBRA (BZLF1). The responsiveness of clone 4D8 cells to glucocorticoids was determined by comparing the effects of dexamethasone on cell growth and the induction of a glucocorticoid-inducible mRNA in 4D8 cells with the effects on a human EBV-transformed B-lymphoblast cell line (HL). Dexamethasone inhibited the growth of HL cells, with IC50 of approximately 9 nM, but had no effect on the growth of 4D8 cells. The induction of FK506-binding protein FKBP51 mRNA by dexamethasone was also significantly blunted in 4D8 cells. Thus, we have developed and characterized a squirrel monkey lymphoblastic cell line derived by transformation of B- lymphocytes with EBV; the cell line has diminished growth and transcriptional responses to glucocorticoids.

Original languageEnglish (US)
Pages (from-to)364-370
Number of pages7
JournalLaboratory Animal Science
Volume48
Issue number4
StatePublished - 1998

Fingerprint

Saimiri
glucocorticoids
Glucocorticoids
Viruses
Cells
cell lines
Cell Line
Human herpesvirus 4
Dexamethasone
Cell growth
cells
dexamethasone
Clone cells
cell growth
Tacrolimus Binding Proteins
Human Herpesvirus 4
Messenger RNA
Growth
Lymphocytes
Conditioned Culture Medium

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Reynolds, P. D., Roveda, K. P., Tucker, J. A., Moore, C. M., Valentine, D. L., & Scammell, J. G. (1998). Glucocorticoid-resistant B-lymphoblast cell line derived from the Bolivian squirrel monkey (Saimiri boliviensis boliviensis). Laboratory Animal Science, 48(4), 364-370.

Glucocorticoid-resistant B-lymphoblast cell line derived from the Bolivian squirrel monkey (Saimiri boliviensis boliviensis). / Reynolds, P. D.; Roveda, K. P.; Tucker, J. A.; Moore, C. M.; Valentine, D. L.; Scammell, J. G.

In: Laboratory Animal Science, Vol. 48, No. 4, 1998, p. 364-370.

Research output: Contribution to journalArticle

Reynolds, PD, Roveda, KP, Tucker, JA, Moore, CM, Valentine, DL & Scammell, JG 1998, 'Glucocorticoid-resistant B-lymphoblast cell line derived from the Bolivian squirrel monkey (Saimiri boliviensis boliviensis)', Laboratory Animal Science, vol. 48, no. 4, pp. 364-370.
Reynolds, P. D. ; Roveda, K. P. ; Tucker, J. A. ; Moore, C. M. ; Valentine, D. L. ; Scammell, J. G. / Glucocorticoid-resistant B-lymphoblast cell line derived from the Bolivian squirrel monkey (Saimiri boliviensis boliviensis). In: Laboratory Animal Science. 1998 ; Vol. 48, No. 4. pp. 364-370.
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