1.Objective to explore feasibility of prevention of organ specific autoimmune disease by transplanting mixed fetal syngeneic or allogeneic and xenogeneic thymus.

目的探討同系或同種胸腺與異種胸腺混合移植防止器官特異性自身免疫損害的可行性。

2.Objective To study the biocompatibility of antigen-extracted xenogeneic cancellous bone matrix for the clinical use in the bone reconstruction field.

目的研究去抗原異種松質骨支架材料的生物相容性，為其在骨缺損修復領域中的臨床應用提供實驗依據(jù)。

3.Objective (1) Take tissue engineering way of hypotonic-chemical detergent to prepare xenogeneic acellular nerve scaffold, which makes an optimal material for the graft of xenogeneic acellular nerve.

目的(1)采用化學萃取的組織工程學方法制備去細胞異種神經(jīng)支架，擬為異種神經(jīng)移植提供理想的支架材料。

4.Objective: To evaluate the osteogenesis of xenogeneic bone derived materials in repairing segmental bone defects.

目的：評價三種異種骨衍生材料修復節(jié)段性骨缺損的成骨作用。

5.At present time the basic research of xenogeneic transplantation should be mainly emphasized.

目前應進一步加強異種器官移植的基礎研究。

6.Objective:To explore feasibility of inducing immune tolerance and prevention of organ specific autoimmune disease by transplanting with mixed fetal syngeneic or allogeneic and xenogeneic thymus.

目的：探討混合胸腺移植誘導移植免疫耐受而不發(fā)生自身免疫性疾病的可行性。