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Xenotransplantation - Example Essays

Xenotransplantation

Approximately 4500 Americans under the age of 65 could benefit each year from heart transplatantion, yet only 2000 human hearts are available annually. This problem and many more could be solved in the near future due to a procedure called . is the ability to adapt animal organs for transplantation into humans.
It all started in 1682 when a Russian physician reportedly repaired the skull of a wounded noblemen using some bone from a dog, from here nothing really happened until 1903 when a french surgeon inserted a slice of rabbit kidney into a child suffering from kidney failure. Even know the scientist found his current results to be good the girl only lived for an extended two weeks. The ...

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foreign implanted tissue and rejects it.
He concluded that the immune system works likes an army with several lines of defense to protect the body from infection by foreign organisms such as bacteria and parasites. This line of defense will also attack a foreign organ. It will do this by gradually causing an ischemic blockage of the organs blood supply, and will be adventally killed off after several days or weeks. This will be followed by cellular and finally chronic rejection. (Aziz, 2000). Another major problem would be Hyperacute rejection this is the body's ability to seek out foreign substances in the body and kill them off by to proteins called DAF and CD59.
In 1995, Duke researches in collaboration with scientist at Nextran, a biotechnology company based in Princeton, NJ. succeeded in introducing two human genes into pig hearts and testing them into baboons. These genes had the DAF and CD59 genes. These proteins play a crucial role in a person's normal immune system by ...

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Xenotransplantation. (2008, August 20). Retrieved November 23, 2024, from http://www.essayworld.com/essays/Xenotransplantation/88605

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PAPER DETAILS

Added: 8/20/2008 10:16:57 AM
Category: Health & Medicine
Type: Premium Paper
Words: 808
Pages: 3

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