Because of the correlations of Thl and Th2 with the transplantation immune response, studying of DCI and DC2, the more i由于Th1和Th2与移植免疫密切相关，所以研究可能在此之前的更早的免疫反应决定步骤——DC1和DC2，在移植免疫学中就显得尤为重要。