It is possible that the key to our immunity is in the body of sharks. Their immune system is many times more efficient than ours, and this could lead to the development of new drugs.
Sharks have a fearsome reputation, although they attack humans no more than 10-12 times a year. But these amazing creatures can save thousands of times more human lives. Over 400 million years of evolution, their immune system has evolved into a very finely tuned line of defense, much more powerful than that of humans. Shark immunity is able to detect almost any dangerous virus or tumor.
This is believed to be one of the main reasons why some shark species can live up to 70 years. They also have exceptional wound healing abilities, so that even severe injuries rarely result in death. Researchers have solved the mystery of why sharks' immune systems are so effective at protecting them from disease. And the results of this discovery may lead to the development of new drugs to counter diseases such as cancer or rheumatoid arthritis.
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When a person's immune system detects foreign cells, it releases antibody proteins. They attach to a specific molecule on the surface of a virus or bacterium and trigger the support of more powerful immune system cells called T cells to finally destroy the pathogen. Sharks have 10 times less antibodies than humans, which allows them to penetrate deeper into tiny cracks on the surfaces of bacteria or cancer cells.
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Tests have shown that shark antibodies are very stable. They were boiled and immersed in corrosive acid, but they survived. Scientists at the University of Aberdeen are currently testing synthetic shark antibodies against triple-negative breast cancer, the most aggressive form of the disease. The idea is that these man-made versions of the tiny antibodies will have a better chance of binding to cancer cells, as they will get into tiny gaps on the surface of cancer cells and boost the immune system. It is also possible to load the molecules with chemotherapy drugs, which they will carry inside the tumors. (READ MORE) 
University of Aberdeen
Medicine
University of Aberdeen, Scotland, 5th by seniority in the UK. The university was formed in 1860 by the merger of King's College and Marischal College