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Immunohistochemical staining and messenger-RNA (mRNA) expression of integrin α5β1. (Top) Photomicrographs demonstrating immunohistochemical localization of integrin α5 and β1. Bars = 100 µm. (Bottom) Integrin α5 and β1 mRNA expressions. The data were obtained by N = 6 and expressed as mean+SD. Group C = control. IgG, immunoglobulin G; NP, nucleus pulposus; AF, annulus fibrosus; SD, standard deviation.
