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Representative RT-PCR derived from mRNA of tissue cells (A) and PBMC (B) following culture in control groups (control) and disc herniation groups (patients). RT-PCR for AITRL and β-actin was performed. The cDNA for β-actin was used as the control. The PCR products of AITRL and β-actin were 513 bp and 230 bp fragments, respectively.
