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Figure 6 | Molecular Pain

Figure 6

From: Acute morphine activates satellite glial cells and up-regulates IL-1β in dorsal root ganglia in mice via matrix metalloprotease-9

Figure 6

Intrathecal injection of morphine and remifentanil increases GFAP expression and IL-1β activation in DRGs but not in spinal cords. (A) Western blotting showing the expression of GFAP and IL-1β (17 kDa cleaved form) in DRGs after intrathecal injection of morphine (10 nmol, 2 h) and remifentanil (1 nmol, 2 h). (B) Quantification of GFAP and IL1β (17 kDa) bands in DRGs. *P < 0.05, compared to saline control; ANOVA followed by Bonferroni post hoc test, n = 4 mice. (C) Western blotting showing the expression of GFAP and IL-1β (17 kDa) in spinal cord dorsal horns after intrathecal injection of morphine (10 nmol, 2 h) and remifentanil (1 nmol, 2 h). (D) Quantification of GFAP and IL-1β bands in spinal cord dorsal horns. Note there is no change in spinal GFAP expression and IL-1β activation after morphine treatment. *P < 0.05, compared to saline control; ANOVA followed by Bonferroni post hoc test, n = 4 mice. CTRL, vehicle control; MORPH, morphine; REMIF, remifentanil.

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