Sökning: "Nociceptin"

Visar resultat 1 - 5 av 14 avhandlingar innehållade ordet Nociceptin.

  1. 1. Biological membrane interfaces involved in diseases : a biophysical study

    Författare :Fredrick Lindström; Gerhard Gröbner; Dick Sandström; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Solid-state NMR; DSC; Amyloid-beta peptide; Nociceptin; DMPC; DMPG; DDAB; peptide-lipid interaction; branched-chain fatty acid.; Biophysical chemistry; Biofysikalisk kemi;

    Sammanfattning : Interactions between peptides and biological lipid membranes play a crucial role in many cellular processes such as in the mechanism behind Alzheimer’s disease where amyloid-beta peptide (Abeta)is thought to be a key component. The initial step of binding between a surface active peptide and its target membrane or membrane receptor can involve a non specific electrostatic association where positively charged amino acid residues and a negatively charged membrane surface interact. LÄS MER

  3. 2. Neuropeptides and spinal antinociception : studies on galanin, nociceptin and endomorphin

    Författare :Stefan Grass; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Endomorphin; flexor reflex; galanin; knock-out mice; neuropathic pain; nociceptin; orphanin FQ transgenic mice;

    Sammanfattning : Nociception and/or the sensation of pain is essential for the survival of the organism. Just as important are the antinociceptive mechanisms that reduce the nociceptive input and perceived pain. Without such mechanisms, it would be impossible to turn ones focus away from even the most minor painful stimulus. LÄS MER

  4. 3. PACAP and orphanin FQ/nociceptin -Distribution, importance and regulation in sensory neurons and spinal cord

    Författare :Lina Pettersson; Institutionen för experimentell medicinsk vetenskap; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; neurophysiology; Neurologi; neuropsykologi; neurofysiologi; neuropsychology; Neurology; trk; spinal cord; sensory neuron; rat; PAC1; PACAP; ORL1; OFQ N; neurotrophin; neuropeptide; nerve transection; nerve compression; inflammatory pain; BDNF; DRG;

    Sammanfattning : Neuropeptide expression in the nervous system is abundant and plastic, and an altered expression after injury is an example of a functional response, helping the neuron to cope with adverse changes, and involves effects on differentiation, synthesis, repair/regeneration, survival, and modulation of signal transmission. I have investigated the distribution/expression of the neuropeptides, orphanin FQ/nociceptin (OFQ/N) and pituitary adenylate cyclase activating polypeptide (PACAP), under normal conditions, in response to nerve injuries, and also studied sensory responses in mice deficient for the PAC1 receptor (PAC1-/-). LÄS MER

  5. 4. Stress, Drugs and Neuroscience : Neurobiological Effects of Social Stressors and Drug Exposure in Young and Adolescent Rats

    Författare :Linnea Granholm; Ingrid Nylander; Erika Roman; Anne-Lie Svensson; Maria Ellgren; Annika Thorsell; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Adolescence; alcohol exposure; amphetamine; beta-endorphin; dopamine; dynorphin; early life; endogenous opioids; enkephalin; gene expression; high-speed chronoamperometry; nociceptin orphanin FQ; radioimmunoassay; self-administration; social stress; voluntary alcohol intake; Farmaceutisk vetenskap; Pharmaceutical Science;

    Sammanfattning : Experiences early in life or during adolescence modulate neuronal networks in the immature brain and consequently lay the foundation for future susceptibility or resilience towards psychiatric disorders. The objective in this thesis is to understand, in part, how the surrounding environment shapes the brain of a young individual. LÄS MER

  7. 5. Endogenous Opioids and Voluntary Ethanol Drinking : Consequences of Postnatal Environmental Influences in Rats

    Författare :Lisa Gustafsson; Ingrid Nylander; Erika Roman; Ryszard Przewlocki; Uppsala universitet; []
    Nyckelord :Pharmaceutical pharmacology; Maternal separation; Maternal deprivation; Handling; Isolation; Alcohol; Two-bottle model; Four-bottle model; MEAP; Dynorphin B; Nociceptin orphanin FQ; Radioimmunoassay; Farmaceutisk farmakologi;

    Sammanfattning : Genetic and environmental factors interact to determine the individual vulnerability to develop ethanol dependence. The neurobiological mechanisms underlying these processes are not fully understood. Endogenous opioid peptides have been suggested to contribute. LÄS MER