Senin, 22 April 2013

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2013 Transplant Rejection Hyperacute Acute And Chronic

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2013 Transplant Rejection Hyperacute Acute And Chronic

Immune system recognizes and attacks anything that is normally different from the compound in a person’s body, even if the difference is only a little, such as transplanted organs and tissues. Transplant rejection can be devided into three categories, hyperacute, acute, and chronic rejection.

Hyperacute Rejection
This type of rejection occurs immediately after transplantation is conducted, i.e. kidney transplantation. Hyperacute rejection can be overcome by transplanting organ to recipient having the some blood type as the blood type of the donor.

Acute Rejection
Acute rejection usually begins in several days after transplantation. To overcome this problem, the recipient is given certain drugs, such as cyclosporine which influences recipient respond of MHC molecule toward the donor.

Chronic Rejection
Chronic rejection occurs because the transplanted organ loose its function caused by the clotting blood in the organ’s vessel.

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