Pregnancy recruits killer T cells that may guard breasts against cancer for years

AI Summary

An Australian study by researchers at Peter Mac shows that the natural protection against breast cancer provided by childbearing results from the recruitment of killer T cells to the breast. These immune cells begin to populate the breast during pregnancy and are linked to changes in breast epithelial cells.

An Australian study by researchers at Peter Mac has shown that the natural protection against breast cancer offered by childbearing is due to the influx of killer T cells to the breast. The research shows that the cells begin to populate the breast during pregnancy and are closely linked to the changes in the breast epithelial cells.