Bladder cancer is the abnormal growth of cells in the bladder. It is the seventh most common cancer that affect the males worldwide. About 20,000 people in Japan are diagnosed with bladder cancer every year and around 8000 men die due to the disease.
Bladder cancer can be classified into two types namely non-muscle invasive cancers and muscle invasive cancers. Non muscle invasive cancers have a survival rate of five years while the latter has poor prognosis and are usually treated with anticancer drugs like cisplatin. These drugs become resistant and the cancer spreads to all other organs like lungs, liver and the bone.
Bladder cancer can be classified into two types namely non-muscle invasive cancers and muscle invasive cancers. Non muscle invasive cancers have a survival rate of five years while the latter has poor prognosis and are usually treated with anticancer drugs like cisplatin. These drugs become resistant and the cancer spreads to all other organs like lungs, liver and the bone.
A team of researchers in collaboration with Dr. Nobuo Shinohara of the Department of Renal and Genitourinary Surgery at Hokkaido University created a xenograft bladder cancer model. The research study was carried out by inoculating human bladder cancer cells labeled with luciferase into the mice. The primary xenograft model of the bladder gradually grew and tumors were detected all over the lungs, liver and bone after 45 days.
‘Nonsteroidal anti-inflammatory drug for the treatment of cold was found to suppress the spread of bladder cancer.’
An inflammatory substance like interleukin-1 around the tumor was also found to increase the metabolic enzyme levels.
The research team from Hokkaido University also identified that AKR1C1 enzyme was found to simulate the tumor - promoting activity and block the effectiveness of anticancer drugs like cisplatin.
They also discovered that inoculation of flufenamic acid into the cancerous bladder cells would suppress the tumor promoting activity and restore the efficacy of anticancer drugs.
Flufenamic acid is a nonsteroidal anti-inflammatory drug which is used for the treatment of common cold. It is found to stop the spread of cancer cells by inhibiting the metabolic enzyme AKR1C1.
Dr.Shinya Tanaka from the research group also says that "This latest research could pave the way for medical institutions to use flufenamic acid--a much cheaper cold drug--which has unexpectedly been proven to be effective at fighting cancers."
Source: Medindia
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