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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Modulation of nociceptive synaptic transmission
 Nerandžič, Vladimír ; Paleček, Jiří (advisor) ; Krůšek, Jan (referee) ; Hejnová, Lucie (referee)
Modulation of synaptic transmission in the spinal cord dorsal horn plays an important role in development and maintenance of pathological pain states. The indisputable part of this modulation is conducted via activity of the transient receptor potential cation channel subfamily V member 1 (TRPV1) and the cannabinoid receptor 1 (CB1), expressed on presynaptic endings of primary afferents in the superficial spinal cord dorsal horn. Under physiological conditions, activation of TRPV1 receptors is pronociceptive while CB1 receptor activation leads to attenuation of nociceptive signalling. However, both receptors share also one endogenous agonist anandamide (AEA) that may be produced from N-arachidonoyl phosphatidylethanolamine (20:4-NAPE). Main objective of this thesis focuses on the effect of 20:4-NAPE on nociceptive synaptic transmission in spinal cord slices under naïve and inflammatory conditions and consequent on the possible interaction of TRPV1 and CB1 receptors. First, 20:4-NAPE application induced significant release of anandamide from spinal cord slices under in vitro conditions. Next, patch- clamp recordings of excitatory postsynaptic currents (mEPSC and sEPSC) from superficial dorsal horn (DH) neurons in acute spinal cord slices were used. 20:4-NAPE application under the physiological...
Detailed record
Modulation of nociceptive synaptic transmission
 Nerandžič, Vladimír ; Paleček, Jiří (advisor) ; Krůšek, Jan (referee) ; Hejnová, Lucie (referee)
Modulation of synaptic transmission in the spinal cord dorsal horn plays an important role in development and maintenance of pathological pain states. The indisputable part of this modulation is conducted via activity of the transient receptor potential cation channel subfamily V member 1 (TRPV1) and the cannabinoid receptor 1 (CB1), expressed on presynaptic endings of primary afferents in the superficial spinal cord dorsal horn. Under physiological conditions, activation of TRPV1 receptors is pronociceptive while CB1 receptor activation leads to attenuation of nociceptive signalling. However, both receptors share also one endogenous agonist anandamide (AEA) that may be produced from N-arachidonoyl phosphatidylethanolamine (20:4-NAPE). Main objective of this thesis focuses on the effect of 20:4-NAPE on nociceptive synaptic transmission in spinal cord slices under naïve and inflammatory conditions and consequent on the possible interaction of TRPV1 and CB1 receptors. First, 20:4-NAPE application induced significant release of anandamide from spinal cord slices under in vitro conditions. Next, patch- clamp recordings of excitatory postsynaptic currents (mEPSC and sEPSC) from superficial dorsal horn (DH) neurons in acute spinal cord slices were used. 20:4-NAPE application under the physiological...
Detailed record

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