Pain pathway modulation via central nervous system interaction

"Pain pathway modulation via central nervous system interaction" is not a single molecule or receptor but rather refers to a complex network of neural circuits and neurotransmitter systems that regulate how pain signals are processed and perceived in the body. This includes both ascending pathways that transmit nociceptive information from peripheral nerves through the spinal cord to higher brain centers, and descending pathways originating from regions such as the periaqueductal gray (PAG) in the midbrain and rostral ventromedial medulla (RVM), which can inhibit or facilitate incoming pain signals at various levels of the central nervous system[1][3][4]. Key neurotransmitters involved include endogenous opioids (acting at μ, δ, κ receptors), serotonin, norepinephrine, and substance P[3][4]. The descending inhibitory pathways utilize these neurotransmitters to suppress transmission of nociceptive signals at synapses in the dorsal horn of the spinal cord[1][2][3]. This process underlies phenomena such as stress-induced analgesia and explains why certain drugs like opioids produce their effects by mimicking endogenous modulators within these circuits. Because "pain pathway modulation via CNS interaction" is not a discrete molecular entity but an integrated physiological process involving multiple cell types and signaling molecules across several anatomical sites[6], it does not fit standard definitions for therapeutic targets such as receptors or enzymes. **Note:** This entry is considered incorrect as a therapeutic target because it describes an entire physiological mechanism rather than a specific druggable molecule or protein. For structured data purposes, refer instead to individual components such as "μ-opioid receptor," "serotonin transporter," etc.[1][3]

Other names

Central pain modulationDescending pain modulatory pathwayCNS-mediated pain controlEndogenous analgesia system