virus Archive

Human oncogenic viruses and cancer

Genes that are involved in the control of normal cell proliferation can be classified as: Proliferative genes: Proto-oncogenes; mutated proto-oncogenes may become oncogenes. Antiproliferative or tumour-suppressor genes: act to suppress cell proliferation. Tumour cells also can arise by non-genetic means through the actions of ...Read More


Viruses are the smallest obligate intracellular infectious agents containing only one type of nucleic acid, either DNA or RNA as their genome. They are Living Chemicals. Virus differ from bacteria in that they are: 1. much smaller 2. lack the enzyme necessary for synthesis ...Read More