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Pain sensitivity following loss of cholinergic basal forebrain (CBF) neurons in the rat.

Vierck C, Yezierski R, Wiley R (2016) Pain sensitivity following loss of cholinergic basal forebrain (CBF) neurons in the rat. Neuroscience 319:23-34. doi: 10.1016/j.neuroscience.2016.01.038

Objective: There is a large amount of research on the involvement of cholinergic mechanisms on spinal transmission of pain signals, indicating that cholinergic agonists can attenuate this kind of pain. In contrast, some studies have shown affective reactions to pain are suppressed by cholinergic antagonists. The authors investigated the disagreement between reflexive and affective reactions.

Summary: Lesioned rats displayed decreased escape from thermal stimulation, as well as loss of the normal hyperalgesic effect of sound stress. Results indicate that the basal forebrain cholinergic system plays a role in central processing of pain.

Usage: Administration of 192-IgG-SAP with a 4-μg injection into the left lateral ventricle of rats. Animals were tested in temperature escape and sound stress models.

Related Products: 192-IgG-SAP (Cat. #IT-01)