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Research team has found evidence suggesting that the same antioxidant that gives pomegranate fruit their vibrant red color can alter the characteristics of breast cancer stem cells, showing the superfood’s potential for aiding in much more than diabetes or heart disease as previously thought.
Pomegranate extract, derived mainly from the skin of the fruit, is known for having high levels of powerful antioxidants called polyphenols.
Stem cells are unlike other types of cells in that they have a remarkable ability to self-divide and reproduce themselves, even giving rise to other types of cells. This self-dividing nature alone is not dangerous; in fact, normal tissue stem cells can replace dying cells and even repair damaged tissue.
The danger arises if stem cells become cancer stem cells, because their division and renewing ability carries over to cancer progression by aiding in tumor initiation, growth, and even re-initiating cancerous tumors long after a person has been declared cancer-free.
Compounding these issues are the fact that cancer stem cells are thought to be more resistant to therapy than other types of cancer cells. Cancer stem cells have become an important target in cancer therapy and prevention more so than other cancer cells, because of the idea that if the stem cells can be slowed or made “less stem-like,” the cancer itself could be slowed too.
Researchers conducted experiments using cancer cells lines that are the prototypes of breast cancer stem cells. These cells, which display the exact properties of cancer stem cells, were treated with diluted pomegranate extract and incubated for periods ranging from one to six days.
During this time, the team measured several markers of breast cancer stem cells in both the pomegranate extract treated cells and untreated cells . They then compared the results between the groups and observed significant differences between the cancer stem cell prototypes that were treated with pomegranate extract.
Additionally, the cells that were treated with pomegranate extract were treated with relatively small amounts – thought to be manageable for a person to consume by simply purchasing the product at a grocery store and incorporating it into their diet. Low concentrations of the extract are able to modify the ability of cancer stem cells to reproduce themselves.
Pomegranate extract inhibits breast cancer cells ability to self-renew. Pomegranate extract converts cancer stem cells to cells that look like more traditional cancer cells and which may successfully be eliminated by cancer drugs.Pomegranate extract shows promising potential for having a positive effect in both the primary cancer prevention and inhibition of the disease progression.
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