Viral Carcinogenesis
Virus, when functioning as carcinogenic agent, utilize variety of carcinogenic mechanisms to transform human cells.
Direct transformation mechanism
When virus expresses viral oncogenes that can directly transform infected cells.
For example; Human Papilloma virus (HPV); cause cervical cancer
Hepatitis C; Liver cancer, Non- Hodgkin's lymphoma
Transcription of viral RNA (by reverse transcriptase enzyme) into DNA.
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