Cancer Treatment Options Forum - September 30th, 2010 - 4 Comments
how does radiation cause cancer?
I am doing a 1 minute presentation on how the radiation given off by NUCLEAR ENERGY causes cancer.
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in one min presentation, I don’t thnk you can cover a whole lot.
In general, it has to do with combination of bio and chem, meaning the Ionizing radiation can have a direct effect on DNA, by causing single or double strand breaks, or it can have an indirect effect when free radicals (produced by the ionizing radiation) attack and modify the bases.
Now here is when biology is applied, when the DNA are not carrying the same base(s) as the original, this causes a process called translation messed up, which causes a different amino acid to be inserted in rather than the correct one. By having a differnt amino acid, you get differnt type of cell, in best case, you get just abnormal but doesn’t become cancer, worst case, it becomes a mutated or cancer cell.
As all other cells in the body, the cell continue to grow and expand in #, if the source (i.e. radiation is still there) there will be continuing production of mutated cell or abnormal cells.
Causes alterations in the sequence of DNA. During transcription phase.
It can knock off electrons and put them in a higher orbit causing the atoms to have weird properties. It affects the DNA most because 1 wrong mutation caused by that can screw up the cell’s life.
Cancer is produced if radiation does not kill the cell but creates an error in the DNA blueprint that contributes to eventual loss of control of cell division, and the cell begins dividing uncontrollably. This effect might not appear for many years.
there are many sites that go into detail, but there are radioactive materials are mutagens that change the bases of DNA and creates errors which can lead to deletion, substitutions, and frameshifts of the DNA reading frame, which has deleterious effects on the phenotype of that gene.