American scientists from the University of North Carolina in the course of their recent study have identified the mechanisms of development of a metastatic form of female breast cancer.. Among all cancers, this form of cancer is the leading cause of death among women.. It turned out that secondary tumors occur when a number of groups of clots of mutated cells move from the main focus.

The scientists decided to analyze and study the activities of different parts of the DNA in the original cancer in 16 patients.. As it turned out, the cells of secondary foci differ in that they have different gene expression profiles..

The latter is typical only for " This shows that metastases begin to form from a collection of cancer cells that have moved away from the main tumor and began to migrate..

Combination therapies that target a variety of malignant cell growths are more effective in treating and containing cancer, experts say..

As for secondary foci, they are simply a consequence of a mutation that occurred in the main tumor itself.. Therefore, in order to accept this method of treatment, it is worthwhile to undergo tests for each individual metastasis..

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