The human body is quite often the new moles are formed. However, only in a few cases these formations are moving into cancer, although the mole itself is a potentially dangerous structure. U.S. scientists found that p15 protein slows the growth of cells in moles and stops the fission process.

The growth of moles is due to mutation of the gene BRAF. Protein molecules p15 constrain this process and protect the body from cancer of the skin. This is both simple and extremely complex system is constantly on guard person.

Scientists conducted an experiment and transplanted melanoma tissue in the body of rodents. Cancer developed in cases where in the body the animals were not protein p15. While damage to the BRAF gene caused cancer.

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