The present study investigated the expression patterns of glial cells and interleukin-1β (IL-1β) in the rat spinal cord after a surgical incision, which is closely related with clinical postoperative pain. Microglia and astrocytes became activated in the spinal cord following incision. Real-time polymerase chain reaction (PCR) and immunohistochemisty showed that IL-1β mRNA and protein level in the spinal cord was transiently upregulated after surgical incision. The increased IL-1β-immunoreactivity (IR) was mainly localized in neurons but not the activated microglia or astrocytes. Although obvious increase in IL-1β-IR could be observed in the lumbar segments of the spinal cord ipsilateral to a hind paw incision, significant upregulation of IL-1β was not detected in the lumbar segments following thoracic incision. The present study indicated that surgical incision could induce glial activation and segmental upregulation of IL-1β in the spinal cord. The activated glial cells and upregulated IL-1β, in turn, may be involved in the incision-induced pain hypersensitivity. © Springer Science+Business Media, Inc. 2006.
CITATION STYLE
Fu, D., Guo, Q., Ai, Y., Cai, H., Yan, J., & Dai, R. (2006). Glial activation and segmental upregulation of interleukin-1β (IL-1β) in the rat spinal cord after surgical incision. Neurochemical Research, 31(3), 333–340. https://doi.org/10.1007/s11064-005-9032-4
Mendeley helps you to discover research relevant for your work.