What is tumor angiogenesis?

"tumor angiogenesis" is a medical term for the way tumors create new blood vessels in the body. These new blood vessels point nutrients and oxygen directly into the tumor, allowing them to grow. The chemical signals are produced by a tumor that adequate the body to produce these blood vessels. These cells need the same type of nutrient as normal cells. Regular body cells are supplied by blood vessels that carry oxygen, basic micronutrients such as iron and energy sources such as glucose.

nutrients enter the body through the gastrointestinal system and lungs. There they are divided if necessary and are transported to the circulatory system. The blood system then transmits them by the main blood vessels, to smaller capillaries and through the wall of the blood vessels to the spaces between the cells. The cells may then occupy the nutrients they need. The body can create a new network if the blood vessel needs. Cells that are located too far from the blood vessel are starving from oxygen and nutrients, so they die. Tumor angiogenes usually begins when the tankVé cells at a certain critical distance from the sense of blood supply, which will become starvation.

The tumor uses the body's ability for angiogenesis. In addition, the tumor releases chemical signals known as growth factors. These growth factors signal the body and create new containers.

Growth factors include a chemical known as a growth factor derived from the endothelium (VEGF). The expression of these growth factors may also be increased by the presence of genetic mutations. These mutations either block proteins that could control growth factors or produce signals that actively increase the growth factors produced.

Vegf and other growth factors are usually beneficial for the body under normal circumstances, but the tumor uses them to help themselves. The tumor angiogenesis does not always cause the body to create new blood vessels of good quality. Sometimes new vessels leak more often than runThe Žná ship and are less organized than they would otherwise be.

tumor angiogenesis is so important for the survival and growth of the tumor that this is a potential target for the treatment of cancer. If scientists can identify a way to effectively prevent these new vessels from growing, the tumor would starve and prevent it from growth. If the tumor could not cause angiogenesis, the tumors would only be able to grow to a diameter of less than 1 inch (2.54 cm).