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Cat Health News Blog

A resource for dedicated cat supporters

Since its start in 2007, Cat Health News has featured the latest information on feline health. The bi-weekly blog is a mix of the most current published research from Winn-funded research and other sources. There are over 570 blog items and more than 1,000 subscribers through the RSS feed.


icon-blogWinn-funded research is specifically noted by the small green cat.

  • Understanding Cytauxzoon infections in cats

    Apr 29, 2014


    Frontera-Acevedo K, Balsone NM, Dugan MA, et al. Systemic immune responses in Cytauxzoon felis–infected domestic cats. Am J Vet Res 2013; 74:901-9.
     
    Cytauxzoon felis is the cause of a fatal disease of cats that is transmitted by ticks such as the lone star tick. Little is known about the immune response to this organism. Cats that die from this disease often have pneumonia that is believed to be induced by an over-zealous immune response to the pathogen. These researchers investigated the systemic response of cats to infection with C. felis. They found that concentrations of proteins that promote the inflammatory response were elevated in cats that died of C. felis as compared to cats that survived C. felis infection.

    In addition, certain cell surface molecules elevated in inflammation were also elevated in cats that died from C. felis infection. In contrast, antibody levels to the parasite were lower in cats that did not survive. The researchers concluded that the inflammation associated with C. felis infection may play a role in the tissue damage associated with disease, while the antibody response is low, contributing to the survival of the parasite. Thus, immune mediated lesions may contribute to the disease caused by C. felis. [MK]

    See also:
    Reichard MV, Thomas JE, Arther RG, et al. Efficacy of an imidacloprid 10 %/flumethrin 4.5 % collar (Seresto®, Bayer) for preventing the transmission of Cytauxzoon felis to domestic cats by Amblyomma americanum. Parasitol Res 2013; 112 Suppl 1:11-20.

    Mueller EK, Baum KA, Papeş M, et al. Potential ecological distribution of Cytauxzoon felis in domestic cats in Oklahoma, Missouri, and Arkansas. Vet Parasitol 2013; 192:104-10.

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