New Images from NCI Visuals Online: Cancer Basics; Monoclonal Antibodies

National Cancer Institute

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01/23/2020
Cancer is a disease caused when cells divide uncontrollably and spread into surrounding tissues.
01/23/2020
Each person's cancer has a unique combination of genetic changes. Specific genetic changes may make a person's cancer more or less likely to respond to certain treatments.
01/23/2020
Most often, cancer-causing genetic changes accumulate slowly as a person ages, leading to a higher risk of cancer later in life.
01/23/2020
Immune system cells can detect and attack cancer cells. But some cancer cells avoid detection or thwart an attack. Some cancer treatments can help the immune system better detect and kill cancer cells.
01/23/2020
A DNA change can cause genes involved in normal cell growth to become oncogenes. Unlike normal genes, oncogenes cannot be turned off, so they cause uncontrolled cell growth.
01/23/2020
In normal cells, tumor suppressor genes prevent cancer by slowing or stopping cell growth. DNA changes that inactivate tumor suppressor genes can lead to uncontrolled cell growth and cancer.
01/23/2020
Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. These changes are also called genetic changes.
01/23/2020
Genetic changes that cause cancer can be inherited or arise from certain environmental exposures. Genetic changes can also happen because of errors that occur as cells divide.
01/23/2020
Cancer cells can break away from the original tumor and travel through the blood or lymph system to distant locations in the body, where they exit the vessels to form additional tumors. This is called metastasis.
01/23/2020
Within a tumor, cancer cells are surrounded by a variety of immune cells, fibroblasts, molecules, and blood vessels -- what's known as the tumor microenvironment. Cancer cells can change the microenvironment, which in turn can affect how cancer grows and spreads.
01/23/2020
Monoclonal antibodies are immune system proteins that are created in the lab. Antibodies are produced naturally by your body and help the immune system recognize germs that cause disease, such as bacteria and viruses, and mark them for destruction. Like your body’s own antibodies, monoclonal antibodies recognize specific targets.
01/23/2020
Monoclonal antibodies are immune system proteins that are created in the lab. Antibodies are produced naturally by your body and help the immune system recognize germs that cause disease, such as bacteria and viruses, and mark them for destruction. Like your body’s own antibodies, monoclonal antibodies recognize specific targets.