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The role of TLR-4 receptors for modulation of nociceptive signalling.
Slepička, Jakub ; Paleček, Jiří (advisor) ; Zímová, Lucie (referee)
The ability to feel pain is subjective, but a crucial factor allowing us to maintain life with minimal body impairment. However, if the pain crosses the physiological signalling function it becomes a life restrictive symptom that is often difficult to treat. Development of pain and its change into pathological chronic symptom and the role of different molecular and cellular mechanisms in this process are best to be studied during its development, nociception. In this work the basic characteristics of nociceptive signalling, with focus on neuropathy, a state originating from nervous system damage is given. The exact mechanisms of neuropathic pain development are not known, which is one of the reasons why these painful states are difficult to treat. Neuroinflammation was lately shown to play an important part in the neuropathy development. In this context a review of Toll-like receptors is given. These receptors have a fundamental role in the innate immunity and their role in the nervous system was documented recently. In this review a focus is given on TLR-4 subtype that was shown to be involved in a modulation of nociceptive signalling. The basic features of this receptor and information about its involvement in neuropathic pain development are given. Studying the role of TLR-4 in different models...

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