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  2. Carcinogenesis - Wikipedia

    en.wikipedia.org/wiki/Carcinogenesis

    Mutations in proto-oncogenes, which are the normally quiescent counterparts of oncogenes, can modify their expression and function, increasing the amount or activity of the product protein. When this happens, the proto-oncogenes become oncogenes , and this transition upsets the normal balance of cell cycle regulation in the cell, making ...

  3. Oncogene - Wikipedia

    en.wikipedia.org/wiki/Oncogene

    A proto-oncogene is a normal gene that could become an oncogene due to mutations or increased expression. Proto-oncogenes code for proteins that help to regulate the cell growth and differentiation. Proto-oncogenes are often involved in signal transduction and execution of mitogenic signals, usually through their protein products.

  4. Causes of cancer - Wikipedia

    en.wikipedia.org/wiki/Causes_of_cancer

    For some of these diseases, cancer is not the primary feature and is a rare consequence. Many of the cancer syndrome cases are caused by mutations in tumor suppressor genes that regulate cell growth. Other common mutations alter the function of DNA repair genes, oncogenes and genes involved in the production of blood vessels. [12]

  5. Oncovirus - Wikipedia

    en.wikipedia.org/wiki/Oncovirus

    The viral promoter or other transcription regulation elements in turn cause overexpression of that proto-oncogene, which in turn induces uncontrolled cellular proliferation. Because viral genome insertion is not specific to proto-oncogenes and the chance of insertion near that proto-oncogene is low, slowly transforming viruses have very long ...

  6. Carcinogenic bacteria - Wikipedia

    en.wikipedia.org/wiki/Carcinogenic_bacteria

    Bacteria involved in causing and treating cancers. Cancer bacteria are bacteria infectious organisms that are known or suspected to cause cancer. [1] While cancer-associated bacteria have long been considered to be opportunistic (i.e., infecting healthy tissues after cancer has already established itself), there is some evidence that bacteria may be directly carcinogenic.

  7. List of oncogenic bacteria - Wikipedia

    en.wikipedia.org/wiki/List_of_oncogenic_bacteria

    Immunoproliferative small intestinal disease (IPSID), which is rare a type of MALT lymphoma. [2] Chlamydia pneumonia: Lung MALT lymphoma. [2] Chlamydia trachomatis Cervical cancer. [2] Chlamydophila psittaci: Ocular/adnexal lymphoma (forms of eye cancer). [2] Clostridium ssp Colon cancer. [2] Cutibacterium acnes: Bladder and prostate cancer. [2]

  8. Cancer epigenetics - Wikipedia

    en.wikipedia.org/wiki/Cancer_epigenetics

    This is what leads to the increase in white blood cells. Leukemia related genes are managed by the same pathways that control epigenetics, signaling transduction, transcriptional regulation, and energy metabolism. It was indicated that infections, electromagnetic fields and increased birth weight can contribute to being the causes of leukemia ...

  9. Colorectal cancer - Wikipedia

    en.wikipedia.org/wiki/Colorectal_cancer

    The signs and symptoms of colorectal cancer depend on the location of the tumor in the bowel, and whether it has spread elsewhere in the body ().The classic warning signs include: worsening constipation, blood in the stool, decrease in stool caliber (thickness), loss of appetite, loss of weight, and nausea or vomiting in someone over 50 years old. [15]