Sökning: "delta opioid receptor"

Visar resultat 1 - 5 av 12 avhandlingar innehållade orden delta opioid receptor.

  1. 1. Opioids regulate proliferation of neural progenitors. A study on the effects of opioids on adult rat hippocampal progenitors in vitro and in vivo

    Författare :Anders I. Persson; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Opioid; brain; hippocampus; rat; neurogenesis; progenitor; stem cell; b-endorphin; calcium; MAPK;

    Sammanfattning : The opioid receptors were among the first pharmacologically described brain receptors. These opioid receptors have thereafter been shown to mediate effects on proliferation and differentiation in both the embryonal and adult central nervous system. LÄS MER

  3. 2. Opioid ligands and receptors of the joint

    Författare :Jonas Bergström; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Opioid peptides; enkephalin; opioid receptors; joint; primary afferents; synovial lining cells; vascular smooth muscle; arthritis; osteoarthrosis; immunohistochemistry; radioimmunoassay; RTPCR; binding assay;

    Sammanfattning : The aim was to explore the occurrence of an opioid system in joints. Thus, joint tissues from rats with and without arthritis and also from patients with knee osteoarthrosis were investigated by EM, immunohistochemistry, RIA, HPLC, receptor binding assay and RT-PCR. LÄS MER

  4. 3. The hippocampal opioid system : role in spatial learning

    Författare :Johan Sandin; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :opioid; dynorphin; nociceptin; hippocampus; learning; memory; acetylcholine; HPLC; microinjections;

    Sammanfattning : The main aim of the present thesis was to study the role of the endogenous hippocampal opioid system, and in particular, the role of dynorphin B and nociceptin, in spatial learning. The effects of bilateral infusion (using chronic cannulae) of dynorphin B into the dorsal hippocampus (CA3-region), an area containing a high number of dynorphin-containing neurons, were examined in the Morris swim-maze, a spatial task dependent on hippocampal functioning. LÄS MER

  5. 4. In vitro and postmortem studies of the brain opioid system : association to opiate dependence

    Författare :Parisa Zarnegar; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Opioid system; brain; gene expression; amygdala; hippocampus; opiate dependence;

    Sammanfattning : Opioids such as heroin are highly addictive illicit drugs. The μ opioid receptor (MOR) plays a central role in mediating the effects of opiates and related opioid. LÄS MER

  7. 5. Opioid-induced cholecystokinin release in the CNS-neurochemical mechanisms and effects of sciatic nerve lesion

    Författare :Henrik Gustafsson; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Cholecystokinin (CCK) and opioid peptides have a similar distribution in the nervous system and CCK has been demonstrated to counteract opioid-induced analgesia at spinal and supraspinal level. An increased spinal release of CCK has been suggested to be a mechanism for the relative resistance to opioid analgesic drug in certain pain conditions following nerve lesions (i. LÄS MER