A blue distribution box with the hemopoietic stem cells was delivered to US doctors Tuesday in Beijing to save the life of a Chinese American, and this was the first time that China Marrow Bank conducted transnational donation.

A team with Professor John McMannis, director of the US Cell Processing Laboratory's Department of Blood and Marrow Transplantation from the University of Texas, collected the peripheral blood stem cells from Wu Yu, a sophomore at the Chongqing University of Medical Sciences, at Daopei Hospital.

On March 25 this year, as it was unable to find matching cells in American Marrow Bank and Taiwan Tzu Chi Marrow Bank a Chinese American patient in Huston who suffered from acute granulocytic leukemia sent out salvage application to China Marrow Bank, and requested to look for donator who had matching cells in Mainland China.

The following day, China Marrow Bank has retrieved four low-esolving matching volunteers, and Wu, a university student became the most suitable person. Afterwards, Chinese and American sides carried out two HLA high-resolving confirmation experiments, and her 10 allelic genes of leukocyte antigen totally conformed to the American patient. A perfect match is a one-in-hundreds-of-thousands shot.

By People's Daily Online