Cat Arthritis Treatment

Morris Animal Foundation Sponsors Cat Cancer Research Studies

Over the past several years, owners of cats have become more aware of injection-site tumors that could be linked to vaccinations. These tumors, or fibrosarcomas, can arise at any injection site, vaccine-related or otherwise. While these tumors are not extremely widespread, the treatment needs to be much more invasive than conventional tumors.

Due to their location (along the surface of the muscles and soft tissue) and their propensity to grow and spread quickly, injection-site tumors are more difficult to treat than conventional tumors. And depending on the location of the fibrosarcoma, the best course of action may unfortunately be amputation of an entire limb.

Researchers don't yet understand the reasons behind the development of injection-site tumors in cats, but since they are much more aggressive and potentially deadly than conventional tumors, developing a way to determine whether a tumor is caused by an injection is critical to determining the appropriate course of treatment.

Researching Cat Cancer Causes
The Morris Animal Foundation has funded two feline research studies as part of their Happy Healthy Cat Campaign that are looking at how injection-site tumors develop in cats. Drs. Marlene Hauck and Rachael Thomas, along with her mentor Dr. Matthew Breen, at North Carolina State University are taking different approaches, but their research studies complement each other.

For her part, Dr. Hauck is looking at gene expression in cats using microarray technology. By comparing normal tissues in the lymph nodes and muscle with those same tissues at injection-site reactions and injection-site sarcomas, they hope to understand which genes are altered when a tissue develops a tumor.

"If we can look at the same tumor, we can see which genes really are important because they are involved on a chromosomal level as well, " Dr. Hauck says. "We may see multiple chromosomal abnormalities and by comparing to gene expression, we can determine what genes are involved."

"Ultimately we hope to develop additional diagnostic information that would better inform an owner of the likely clinical course of the disease and how to best treat it, " Dr. Thomas says. "If there is evidence of an injection association, then the treatment could be tailored more appropriately to that individual patient."

While the researchers agree that science is some way off from translating into separate therapies, they are excited that they have made some important steps in feline health.

Until that time, cat owners should be mindful of the potential risks of vaccinations, but that doesn't mean they should stop vaccinating.

When it comes to healthy cats, vaccinations are essential. Both Drs. Hauck and Thomas point out that vaccines save more lives than they cause cancer. You should consult your veterinarian to determine the best course of action your your bet based on local laws while factoring in your pet's lifestyle and risk factors.

About Morris Animal Foundation's Happy Healthy Cat Campaign:
Morris Animal Foundation's Happy Health Cat Campaign was founded because too few scientists are studying feline kidney disease, arthritis, cancer, diabetes and other serious cat health problems, and more research is desperately needed to unlock the mysteries of feline health. The Happy Healthy Cat Campaign is an unprecedented global effort to eliminate suffering and premature death in cats. It will significantly increase funding for feline health research and training of new scientists.

Contact:
Heidi Jeter
Director of Communications
Morris Animal Foundation
800.243.2345, ext. 404
10200 East Girard Ave. B430
Denver, CO 80231
http://www.research4cats.org

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