CD8+ Foxp3+ regulatory T cells are induced during graft-versus-host disease and mitigate disease severity.
2012Journal of immunology (Baltimore, Md. : 1950)
Beres AJ, Haribhai D, Chadwick AC, Gonyo PJ, Williams CB +1 more
Plain English
Researchers discovered a new type of immune cell (CD8+ Foxp3+ cells) that the body creates when transplant patients develop graft-versus-host disease, a serious condition where transplanted immune cells attack the patient's own tissues.
These newly discovered cells act as peacekeepers—they suppress the harmful immune response and reduce disease severity, and they can even do this job alone if the body can't make the traditional peacekeeping cells that scientists previously knew about.
This matters because it reveals a backup mechanism the body uses to protect itself after stem cell transplants, which could lead to new treatments to prevent or reduce transplant complications.