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What is HER2 and what does it mean? HER2 is a protein that helps breast cancer cells grow quickly. Breast cancer cells with higher than normal levels of HER2 are called HER2-positive.
HER2 is a member of the ErbB family of receptor tyrosine kinases that regulates cell growth and survival. Amplification or overexpression of HER2 can lead to breast cancer and other tumors, and is a target of therapy for some patients.
HER2-positive breast cancers tend to grow and spread faster than HER2-negative ones, but they also respond better to treatment. What is the long-term treatment for HER2-positive breast cancer?
HER2-positive breast cancer is a breast cancer that tests positive for a protein called human epidermal growth factor receptor 2 (HER2). This protein promotes the growth of cancer cells.
Debu Tripathy, M.D., explains what makes HER2 positive breast cancer more aggressive than other cancer types, plus how it's diagnosed and treated.
HER2-negative and HER2-positive refer to two different types of breast cancer. Learn about the HER2 protein, HER2-low cancer, tests, treatment, and staging.
What to know about HER2 status in breast cancer diagnosis and treatment, including what HER2-positive, HER2-negative, and HER2-low mean.
Learn the difference between HER2-negative and HER2-positive breast cancer, how doctors test for the protein and how results affect treatment options.
HER2 (human epidermal growth factor receptor 2) is a gene that can play a role in the development of breast cancer.
Some breast cancer cells have a higher-than-normal level of a protein called HER2 on their surface, which stimulates them to grow. This is known as HER2-positive breast cancer.