Hematopoietic Stem Cell Transplant (HCT)
entire immune system is transferred; recipient is totally immunodeficient for a period of time
autologous transplant
patients own stem/progenitor cells harvested & returned
can be used if malignancy is not genetic
patient must have sufficient CD34+ cells
allogeneic transplant
patients own immune system is destroyed & replaced with stem cells of another person
matches from siblings are ideal
origin of anti-HLA antibodies
transfusions
pregnancies
previous transplants
anti-HLA antibodies are what class?
all are IgG not IgM