AIM: To refold and biotinylate HLA A2 peptide complex in vitro .
目的：可溶性HLA A2 抗原肽复合物的体外折叠复性与生物素化。
Objective to investigate therapeutical effect of complex bone peptide injected into patients in open tibia fracture cases fixed with external fixation.
目的探讨复方骨肽注射液对开放性胫骨骨折外固定架术后的治疗效果。
T cell can only recognize specific antigenic peptide-MHC complex on antigen-presenting cell. This is MHC restriction in antigen recognition of t cell.
细胞只能识别抗原提呈细胞表面特定的抗原肽MHC分子复合物，这就是T细胞抗原识别的MHC限制。
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