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Fig. 2 | The Journal of Headache and Pain

Fig. 2

From: Activation of CamKIIα expressing neurons on ventrolateral periaqueductal gray improves behavioral hypersensitivity and thalamic discharge in a trigeminal neuralgia rat model

Fig. 2

Expression of viral vector in vlPAG. a Schematic and immunofluorescent diagram showing the location of virus injection and optic stimulation in vlPAG. b Schematic and cresyl violet stained diagram showing the location of electrode in VPM thalamus. c Immunofluorescence reveals the optogenetic viral expression in the vlPAG of TN/ChR2(above) and TN/EYFP animals (below); DAPI (a, d), EYFP (b, e), Merge (c, f). Scale bar = 100 μm in all images

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