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Modulation of synaptic transmission in the development of painful states
Slepička, Jakub ; Paleček, Jiří (advisor) ; Hejnová, Lucie (referee)
My thesis introduces the topic of nociceptive signalisation and processes involved in the formation and spreading of neuropathic pain. This study focuses on the mechanisms of nociceptive synaptic transmission mechanisms in the level of spinal dorsal horn and its modulation by paclitaxel, a chemotherapeutic drug inducing neuropathic changes. The attention is put especially on the possibility of glial activity participation in paclitaxel side effects. This idea stems from the existing hypothesis of the functional connection between TLR4 and TRPV1 receptor activity. TRPV1 is well known for its participation in chemical, thermal and nociceptive sensory transmission. Minocycline antibiotic is considered as an inhibitor of microglial activation therefore it was used for blocking neuroinflammation. The experimental part is comparing an impact of substances applied to the model of tachyphylaxis used for monitoring of nociceptive transmission changes according to decreasing activity of TRPV1 receptors. Electrophysiological recording of miniature excitatory postsynaptic currents from neurons in the Rexed laminae I. and II. of spinal dorsal horn was used. The results of my measurements show that minocycline is able to suppress acute effects of paclitaxel application in vitro if the spinal slice is incubated...
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Modulation of synaptic transmission in the development of painful states
Slepička, Jakub ; Paleček, Jiří (advisor) ; Hejnová, Lucie (referee)
My thesis introduces the topic of nociceptive signalisation and processes involved in the formation and spreading of neuropathic pain. This study focuses on the mechanisms of nociceptive synaptic transmission mechanisms in the level of spinal dorsal horn and its modulation by paclitaxel, a chemotherapeutic drug inducing neuropathic changes. The attention is put especially on the possibility of glial activity participation in paclitaxel side effects. This idea stems from the existing hypothesis of the functional connection between TLR4 and TRPV1 receptor activity. TRPV1 is well known for its participation in chemical, thermal and nociceptive sensory transmission. Minocycline antibiotic is considered as an inhibitor of microglial activation therefore it was used for blocking neuroinflammation. The experimental part is comparing an impact of substances applied to the model of tachyphylaxis used for monitoring of nociceptive transmission changes according to decreasing activity of TRPV1 receptors. Electrophysiological recording of miniature excitatory postsynaptic currents from neurons in the Rexed laminae I. and II. of spinal dorsal horn was used. The results of my measurements show that minocycline is able to suppress acute effects of paclitaxel application in vitro if the spinal slice is incubated...
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Assessment tools and physical therapy intervention for chemotherapy induced peripheral neuropathy in pediatric cancer patients
Votrubová, Barbora ; Jevič, Filip (advisor) ; Medunová, Kateřina (referee)
This bachelor thesis aims to provide a general overview of chemotherapy induced peripheral neuropathy (CIPN) in pediatric cancer patients. The first part describes common characteristics of polyneuropathy and specific attributes of CIPN, its incidence, clinical manifestation, risk factors and summary of most frequently used chemotherapy agents causing peripheral neuropathy. The second part reports current assessment strategies for CIPN based on clinical grading scales and then it reports present knowledge of rehabilitation interventions for patients with CIPN. The thesis also includes description and translation of "pediatric-modified Total Neuropathy Score" (ped-mTNS) and "Total Neuropathy Scale-Pediatric Vincristine" (TNS- PV). In discussion part, there are summarized both advantages and disadvantages of CIPN testing systems. The TNS-PV was concluded as the most feasible scale for use in rehabilitation or oncology clinic settings.
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