Cancer development requires genetic changes in several different oncogenes and tumor suppressors. Mutated cells occur with any change in the DNA sequence of a cell. Therefore, mistakes may cause mutations during cell division, or they may be caused by exposure to DNA-damaging agents in the environment. Thus, cancer is a disease of many cellular mutations. (more…)
Cancer Tumor Angiogenesis and Blood Vessels
Tumors arise from a small population of cancer stem cells (CSCs) or tumor-instating cells. Cancer cells can rapidly reshape, destroy or integrate into existing blood vessels. Tumor angiogenesis and blood vessels create a blood supply to the cancer tumor also causing spread, or metastasize, to new tissues through the blood. (more…)
Healthy normal cells have a structure determined by their DNA so do cancer cells CTC. They need energy to exist and live, which they derive from chemicals in the food you consume. All cells need a system to deliver nutrients such as amino acids, carbohydrates, fats, vitamins, and minerals to them.