Human papillomavirus (HPV) can damage chromosomes and genes directly, researchers report in a new study. HPV is a virus that can cause anal, cervical, head and neck cancers, and according to experts, it produces two viral proteins (E6 and E7) that are involved in the development of those diseases. However, those proteins alone are not enough to cause cancer. Additional changes to the host-cell DNA are required for the illness to develop.
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