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Role of the RVM in descending pain regulation originating from the cerebrospinal fluid-contacting nucleus.

Fei Y, Wang X, Chen S, Zhou Q, Zhang C, Li Y, Sun L, Zhang L (2016) Role of the RVM in descending pain regulation originating from the cerebrospinal fluid-contacting nucleus. Neurochem Res 41:1651-1661. doi: 10.1007/s11064-016-1880-6

Summary: The researchers investigated whether the CSF-contacting nucleus contributed to descending pain modulation in normal and neuropathic rats, and detected the 5-HT expression changes in both RVM and spinal dorsal cord. They also detected the possible anatomical and function correlation between the CSF-contacting nucleus and the RVM. Targeted ablation of the CSF-contacting nucleus was performed using CTB-SAP (Cat. #IT-14; 500 ng/3 μl), which was administered i.c.v. to the normal rats and rats 7 days before the CCI procedure. Based on the findings of the present study, they believe that the CSF-contacting nucleus may act as a component of descending pain regulation system. RVM, which acts as an important brain nucleus, is involved in the relay of nociceptive information between the CSF-contacting nucleus and spinal cord. Moreover, RVM 5-HT system plays a critical role in descending pain inhibition originating from the CSF-contacting nucleus.

Related Products: CTB-SAP (Cat. #IT-14)

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