Effects of insulin-like growth factor-1 and AZT in cats experimentally infected with FIV

C. R. Gregory, J. E. Barlough, R. Clark, Stephen M Griffey, J. D. Patz, P. Jardieu, Niels C Pedersen

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Abstract

This study was undertaken to determine the biological activity and/or toxicity of recombinant human insulin-like growth factor-1 (rHulGF-1) in cats, and to examine the effects of rHulGF-1, with and without zidovudine (azidothymidine, AZT) in cats experimentally infected with feline immunodeficiency virus (FIV). A single dose of rHulGF-1, administered intravenously, suppressed blood glucose levels to less than 40 mg/dl in noninfected cats. When administered to such cats for 30 days, rHulGF-1 produced no significant changes in bodyweight, blood cell count, or plasma chemistry values. There were, however, significant increases in thymic (p = 0.0216) and splenic (p = 0.0459) weights in treated cats. Subcutaneous administration of rHulGF-1 to FIV-infected cats did not produce an increase in circulating levels of FIV DNA or anti-FIV antibody, but did result in a significant (p = 0.04) primary antibody response to a T-cell-dependent immunogen. The administration of AZT, with or without rHulGF-1, produced a dose-related, reversible anemia and neutropenia.

Original languageEnglish (US)
Pages (from-to)23-31
Number of pages9
JournalFeline Practice
Volume25
Issue number4
StatePublished - Jul 1997

ASJC Scopus subject areas

  • Small Animals

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    Gregory, C. R., Barlough, J. E., Clark, R., Griffey, S. M., Patz, J. D., Jardieu, P., & Pedersen, N. C. (1997). Effects of insulin-like growth factor-1 and AZT in cats experimentally infected with FIV. Feline Practice, 25(4), 23-31.