Serum concentrations of PTH,CT and E2 were detected by RIA. Following result were found serum CT and PTH level rise in the two experiment group on during the whole experiment.

• 通过放射免疫分析血清中的甲状旁腺激素(PTH)、降钙素(CT)和雌激素(E2)后发现：PTH、CT水平在注射质粒后各试验组出现了分泌增加趋势，且注射质粒pCEP4-PTH组比较注射注射质粒pCDNA3-PTH组有更大的上升幅度。