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  2. Oncovirus - Wikipedia

    en.wikipedia.org/wiki/Oncovirus

    An oncovirus or oncogenic virus is a virus that can cause cancer. [4] This term originated from studies of acutely transforming retroviruses in the 1950–60s, [ 5 ] when the term oncornaviruses was used to denote their RNA virus origin. [ 6 ]

  3. Carcinogenesis - Wikipedia

    en.wikipedia.org/wiki/Carcinogenesis

    In a few cases, only one cause exists: for example, the virus HHV-8 causes all Kaposi's sarcomas. However, with the help of cancer epidemiology techniques and information, it is possible to produce an estimate of a likely cause in many more situations. For example, lung cancer has several causes, including tobacco use and radon gas.

  4. Oncogene - Wikipedia

    en.wikipedia.org/wiki/Oncogene

    The proto-oncogene can become an oncogene by a relatively small modification of its original function. There are three basic methods of activation: A mutation within a proto-oncogene, or within a regulatory region (for example the promoter region), can cause a change in the protein structure, causing an increase in protein activity

  5. Causes of cancer - Wikipedia

    en.wikipedia.org/wiki/Causes_of_cancer

    A cancer syndrome or family cancer syndrome is a genetic disorder in which inherited genetic mutations in one or more genes predisposes the affected individuals to the development of cancers and may also cause the early onset of these cancers. Although cancer syndromes exhibit an increased risk of cancer, the risk varies.

  6. Oncolytic virus - Wikipedia

    en.wikipedia.org/wiki/Oncolytic_virus

    The herpes simplex virus type 1 (HSV-1) mutant 1716 lacks both copies of the ICP34.5 gene, and as a result is no longer able to replicate in terminally differentiated and non-dividing cells but will infect and cause lysis very efficiently in cancer cells, and this has proved to be an effective tumour-targeting strategy.

  7. Carcinogen - Wikipedia

    en.wikipedia.org/wiki/Carcinogen

    Genotoxins cause irreversible genetic damage or mutations by binding to DNA. Genotoxins include chemical agents like N-nitroso-N-methylurea (NMU) or non-chemical agents such as ultraviolet light and ionizing radiation. Certain viruses can also act as carcinogens by interacting with DNA.

  8. Infectious causes of cancer - Wikipedia

    en.wikipedia.org/wiki/Infectious_causes_of_cancer

    Herpesviruses also cause cancer in animals, especially leukemias and lymphomas. [13] Human T cell lymphotropic virus was the first human retrovirus discovered by Robert Gallo and colleagues at NIH. [20] The virus causes Adult T-cell leukemia, a disease first described by Takatsuki and colleagues in Japan [21] and other neurological diseases ...

  9. Viral transformation - Wikipedia

    en.wikipedia.org/wiki/Viral_transformation

    When a virus transforms a cell it often causes cancer by either altering the cells' existing genome or introducing additional genetic material which causes cells to uncontrollably replicate. [11] It is rarely considered that what causes so much harm also has the capability of reversing the process and slowing the cancer growth or even leading ...

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