Medical research

Organ transplant rejection may not be permanent

Rejection of transplanted organs in hosts that were previously tolerant may not be permanent, report scientists from the University of Chicago. Using a mouse model of cardiac transplantation, they found that immune tolerance ...

Medical research

Piecing together the puzzle of autoimmune disease

After cancer and heart disease, the most common group of diseases in the U.S. are autoimmune diseases, which occur when the immune system mistakenly attacks the body's own organs, tissues and cells.

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