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Peto's paradox: why whales don't get cancer?

 Peto's paradox: why whales don't get cancer?



There is introduced an idea in the Cosmos Magazine. That the rapidly evolving genes cause that whales can't get cancer. But also water is protecting them against UV and other electromagnetic radiation as well as alpha and beta radiation. So maybe lack of natural EM- radiation causes that whales don't get cancer.

Whales are enormous animals. They live a long life. Also, whales carry lots of fat. And the new thing that makes those great animals interesting is that whales have no genetic mutations. 

And they don't have cancer. The genomes of the whales have less mutated than other animals. So what is the thing that makes whales so wealthy if we are thinking about cancer? 

One of the things that can save whales from cancer is that water protects them the natural radiation. Water absorbs radioactive radiation better than air. And good senses may be protected whales also against poisons like carcinogens. There is a possibility that the poisons like PCB and some carcinogens are making fish so bad smelling that whales can avoid them. 

And water is protecting them against UV radiation. But the genomes that are protecting whales against cancer are also mapped. If we are thinking about the cure for cancer theoretically is possible to create vaccines. Those are protecting us against the changes of the cells. But without knowledge of the forming of cancer is impossible to search for the changes in the protein layer. 

Those membrane proteins of the cells are the thing that the immune system uses for finding those cells. But making that kind of vision is a very challenging thing. The thing is that when the cell is turning into a cancer cell. There must be some changes also in its surface proteins. The reason is that. When the DNA of the cell is damaged. It cannot control the production of the surface molecules of the cells. 

That damage in genomes has an effect on other things than just the ability to die or split. The DNA controls every single action in the cells. The core proteins of the cells are extremely complicated. And if there are damages in the DNA. That causes changes also in the structures of the proteins of the cells. Those anomalies can use to track and destroy cancer cells by benefiting own immune cells of the people. 



https://cosmosmagazine.com/health/why-dont-whales-get-cancer/


https://scitechdaily.com/petos-paradox-biological-enigma-offers-new-insights-into-the-mystery-of-cancer/


https://en.wikipedia.org/wiki/Peto%27s_paradox


Image: https://scitechdaily.com/worlds-largest-whales-eat-3x-more-than-previously-thought-amplifying-their-role-as-global-ecosystem-engineers/

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