The proteins in the tissues were visualized using a DMIL LED scanning microscope (Leica Microsystems GmbH, Wetzlar, Germany). cytokine interleukin-6 (IL-6) is secreted by astrocytes and microglia in the central nervous system [1, 2]. It might play an important role in the development and maintenance of hyperalgesia in various pain models [3]. The upregulation of […]