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Diet Rich in Fiber Prevents Prostate Cancer Progression

by VR Sreeraman on  January 12, 2013 at 6:46 PM Cancer News   - G J E 4
Patients with prostate cancer may prevent the disease from progressing by consuming diet that is rich in fiber, finds a new study.
 Diet Rich in Fiber Prevents Prostate Cancer Progression
Diet Rich in Fiber Prevents Prostate Cancer Progression
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The study compared mice fed with of inositol hexaphosphate (IP6), a major component of high-fiber diets, to control mice that were not. Then the study used MRI to monitor the progression of prostate cancer in these models.

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"The study's results were really rather profound. We saw dramatically reduced tumor volumes, primarily due to the anti-angiogenic effects of IP6," says Komal Raina, PhD, research instructor at the Skaggs School of Pharmacy and Pharmaceutical Sciences, working in the lab of CU Cancer Center investigator and School of Pharmacy faculty member, Rajesh Agarwal, PhD.

Basically, feeding with the active ingredient of a high-fiber diet kept prostate tumors from making the new blood vessels they needed to supply themselves with energy. Without this energy, prostate cancer couldn't grow. Likewise, treatment with IP6 slowed the rate at which prostate cancers metabolized glucose.

Possible mechanisms for the effect of IP6 against metabolism include a reduction in a protein called GLUT-4, which is instrumental in transporting glucose.

"Researchers have long been looking for genetic variations between Asian and Western peoples that could explain the difference in prostate cancer progression rates, but now it seems as if the difference may not be genetic but dietary. Asian cultures get IP6 whereas Western cultures generally do not," Raina says.

The research provides the cover image of this month's issue of the journal.

The study has been published in journal Cancer Prevention Research.

Source: ANI
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