List Of Her2 And Breast Cancer Ideas. Web about 15% to 20% of breast tumors have higher levels of a protein known as her2. Web her2 amplification is the primary pathway of her2 receptor overexpression and is a major driver of tumor development and progression in a subset of breast cancers.

Slamon’s team found that the her2 protein is present at high levels (her2 positive) in about 30 percent of breast cancers. Normally, this protein helps breast. They also discovered that high levels of her2 are.
