Houston Scientists Probe Obesity-Cancer ConnectionYour Health ...

From KUHF News?..

Researchers in Houston are examining the connection between obesity and cancer. A newly published study involving fat and thin mice has important lessons about how body fat can fuel the growth of a tumor.

Doctors have known for a long time that being obese puts you at greater risk for developing certain types of cancer, such as breast and colorectal.

And, they?ve also observed that once obese people get cancer, sometimes it progresses faster and is harder to treat.

But the question is why? Is it what obese people are eating? Or something in the fat tissue itself?

Mikhail Kolonin is an associate professor at the University of Texas Health Science Center at Houston. His latest study started out with two groups of mice, one fat, one thin.

But then Kolonin fed them the exact same diet while monitoring the tumors inside their bodies.

?What we found was when you take genetically identical mice that are either lean or obese and you put experimental tumors into them, tumors will grow faster in mice that are obese as compared to mice that are lean, even though they are on the same diet.?

Kolonin says this shows something in body fat itself is making a tumor grow faster.

Scientists know that fat tissue releases different hormones and growth molecules and they?ve suspected these could help feed a tumor, but Kolonin discovered something else.

He found that actual stem cells from the fat were migrating through the blood, lodging in the tumor, and helping it grow and build blood vessels.

?The tumor is getting fat.?

It?s almost as if the tumor is recruiting these fat cells, or hijacking them for its own purposes.

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Source: http://www.lensaunders.com/wp/?p=5629

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