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 "It was the summer of 2011. I noticed that she started hiding and
that she wasn't as social and then I noticed that her mouth was
giving her problems," said Gail Salisbury.
A trip to the vet confirmed that Smokey had feline chronic
gingivostomatitis or FCGS, a painful inflammatory mouth disease.
"Chronic stomatitis is a common disease in the cat. It is very
debilitating. Those cats are in great pain and it is a very
enigmatic disease because no one has been able to reproduce it in
experimental cats," said Dr. Frank Verstraete, a professor of
dentistry and oral surgery at the University of California, Davis.
Without being able to reproduce the disease, researchers have no
idea what causes it or how to effectively treat it. Cats with FCGS
usually have all their teeth removed, clearing up the inflammation
in some but not all cases.
Smokey wasn't lucky. Her teeth were extracted but the disease
persisted. That's when she was enrolled in a clinical trial.
"We are tackling what we call the hard core population of cats. They
have had extractions. Many of them have been on steroid treatment
for a long time. Some even came with early diabetes so they can't
get steroids anymore," said Dr. Boaz Arzi, an assistant professor of
dentistry and oral surgery.
Researchers used stem cells derived from their feline patients with
the hope of reducing inflammation and promoting tissue regeneration.
"I would say that most of our cats, if I have to give a number 60 to
70 percent have responded favorably to the treatment either by
complete resolution or substantial clinical improvement without
complete resolution at six months," said Arzi.
A higher percentage of cats showed signs of recovery after six
months, as was the case with Smokey, who began responding to the
treatment more than a year after she was injected with stem cells.
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The researchers say these trials are shedding light on these types
of inflammatory diseases - and that could potentially have
significant implications for humans.
"There are two other species that can get chronic inflammation of
the mouth. The first one is the dog and obviously we would like at
treatment for dogs as well, but even more importantly humans also
get inflammation of their oral cavity," said Verstraete.
There are plans for human trials using stem cell therapy to treat
inflammatory mouth disease as early as next year at UC Davis.
As for Smokey, she's cured, but is in need of a diet. Her owner
doesn't think so.
"She has been through enough, whatever she wants she can have."
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