Heat-shock proteins expressed on the surface of human t cell leukemia virus type i-infected cell lines induce autoantibodies in rabbits

Lotfi Chouchane, Florence S. Bowers, Sansana Sawasdikosol, R. Mark Simpson, Thomas J. Kindt

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Eight human T cell leukemia virus type I (HTLV-I)-infected cell lines were derived in vitro from peripheral blood mononuclear cells of 8 rabbits. Each rabbit was then inoculated with its own HTLV-I-transformed cells, after which all but 1 rabbit had anti-heat-shock protein (hsp) antibodies in sera. Cell line RH/K34, which failed to raisea response to hsp70, caused lethal leukemia when >2 × 108 livecells were injected into unrelated outbred rabbits. Rabbits injected with cell-free virusisolated from RH/K34 cells produced anti-hsp70 antibodies and became infected but developed no fatal disease. ELISA inhibition and flowcytometry analyses indicated that hspmolecules are expressed on the surface of RH/K34 and RH/K30, a nonlethal HTLV-I cell line used for comparison; surface hsp expression does not occur normally. Two proteins of˜72 and 93 kDa were detected by Western blot in extracts of RH/K30 cells. Presence ofanti-hsp70 antibodies correlated with resistance to lethal doses of live RH/K34 cells, suggesting that hsp immunity may influence the outcome of RH/K34 pathogenicity.

Original languageEnglish
Pages (from-to)253-259
Number of pages7
JournalJournal of Infectious Diseases
Volume169
Issue number2
DOIs
Publication statusPublished - 1994
Externally publishedYes

Fingerprint

Heat-Shock Proteins
Autoantibodies
Leukemia
Human T-lymphotropic virus 1
Rabbits
Viruses
Cell Line
Antibodies
Virulence
Anti-Idiotypic Antibodies
Immunity
Blood Cells
Membrane Proteins
Western Blotting
Enzyme-Linked Immunosorbent Assay
Serum
Proteins

ASJC Scopus subject areas

  • Infectious Diseases
  • Immunology and Allergy
  • Immunology
  • Public Health, Environmental and Occupational Health

Cite this

Heat-shock proteins expressed on the surface of human t cell leukemia virus type i-infected cell lines induce autoantibodies in rabbits. / Chouchane, Lotfi; Bowers, Florence S.; Sawasdikosol, Sansana; Simpson, R. Mark; Kindt, Thomas J.

In: Journal of Infectious Diseases, Vol. 169, No. 2, 1994, p. 253-259.

Research output: Contribution to journalArticle

Chouchane, Lotfi ; Bowers, Florence S. ; Sawasdikosol, Sansana ; Simpson, R. Mark ; Kindt, Thomas J. / Heat-shock proteins expressed on the surface of human t cell leukemia virus type i-infected cell lines induce autoantibodies in rabbits. In: Journal of Infectious Diseases. 1994 ; Vol. 169, No. 2. pp. 253-259.
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