accumulate

The researchers say the study raises important new questions about the nature of breast cancer development, including how mutations accumulate and over what timescale, and why the mutations only occur in luminal cells.

Interestingly, a woman's age correlated significantly with the frequency of aneuploid cells and number of copy number changes, with older women accumulating more of these cellular changes.

These experiments demonstrated that the antibodies were able to prevent the infected cells from accumulating, suggesting they might help stop the blockage that leads to severe malaria symptoms.

After 70 years of atomic power, there is still disagreement over what to do with the accumulated radioactive waste - some of which will remain hazardous for hundreds of thousands of years.

"This could be achieved with activities such as brisk walking several times per week with the goal of accumulating approximately 30 minutes per day."