Fujino, Y., et al., Prevalence of hematological abnormalities and detection of infected bone marrow cells in asymptomatic cats with feline immunodeficiency virus infection. Vet Microbiol, 2009. 136(3-4): p. 217-25.
Feline immunodeficiency virus (FIV) is an important pathogen of cats that may lead to a lethal immunodeficient state. This may be preceded by a significant period of time, often years, without any evidence of disease. Decreases in the red and white blood cell lines as well as platelets are known to occur in infected cats. These researchers examined the prevalence of these changes in cats without obvious clinical signs of disease. They examined 50 cats whose only abnormality was the presence of FIV infection (as detected by the antibody assay for the virus). They found a significant portion of asymptomatic cats (48%) have detectable decline in the various blood cell lines, often affecting more than one cell line (e.g., anemia plus decreased white blood cells or platelets). The researchers also found that viral infection of bone marrow cells occurred, and likely led to the effects on blood cell production. Thus, FIV infection of bone marrow cells contributes to the production of the immunodeficient state as well as other blood abnormalities in infected cats. [MK]
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Related articles:
Tanabe, T. and J.K. Yamamoto, Phenotypic and functional characteristics of FIV infection in the bone marrow stroma. Virology, 2001. 282(1): p. 113-22.
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Arjona, A., E. Escolar, et al. (2000). "Seroepidemiological survey of infection by feline leukemia virus and immunodeficiency virus in Madrid and correlation with some clinical aspects." J Clin Microbiol 38(9): 3448-9.
>> PubMed Abstract
More on cat health: Winn Feline Foundation Library
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