Viral cell transformation
Viral cell transformation is a process where a virus alters the genetic material of a cell, causing it to proliferate abnormally. This process is a key factor in the development of certain types of cancer.
Overview[edit | edit source]
Viral cell transformation occurs when a virus infects a cell and integrates its genetic material into the cell's DNA. This can lead to the cell behaving abnormally, often resulting in uncontrolled cell growth and division, a hallmark of cancer. The viruses that cause this transformation are known as oncoviruses.
Mechanism[edit | edit source]
The mechanism of viral cell transformation varies depending on the type of virus. Some viruses, such as the human papillomavirus (HPV) and hepatitis B virus (HBV), integrate their DNA directly into the host cell's genome. Others, like the Epstein-Barr virus, alter the cell's behavior by producing proteins that interact with the cell's own proteins.
Oncoviruses[edit | edit source]
Oncoviruses are a group of viruses that have the ability to cause cancer in their host. These include HPV, HBV, hepatitis C virus (HCV), human T-lymphotropic virus (HTLV), and Epstein-Barr virus, among others. Each of these viruses has a different mechanism of causing cell transformation, but all result in the abnormal proliferation of cells.
Prevention and Treatment[edit | edit source]
Prevention of viral cell transformation primarily involves vaccination against the viruses known to cause it. For example, vaccines are available for HPV and HBV. Treatment of cancers caused by viral cell transformation often involves a combination of surgery, radiation therapy, and chemotherapy, as well as targeted therapies that specifically attack the virus-infected cells.
See Also[edit | edit source]
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