Sökning: "hippocampal neurons"

Visar resultat 1 - 5 av 118 avhandlingar innehållade orden hippocampal neurons.

  1. 1. Endoplasmic Reticulum Dynamic Structural Changes in Neurons: The Fission-Fusion Phenomena

    Författare :Krzysztof Kucharz; Sektion IV; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; fragmentation; fission; endoplasmic reticulum; neurons; FRAP; primary cultures; organotypic slice cultures; in vivo; in situ; calcium; fusion; NMDA receptor; 2-photon microscopy; confocal microscopy;

    Sammanfattning : The endoplasmic reticulum (ER) is crucial for protein synthesis and protein maturation, is involved in cell stress and serves in neurons as the major intracellular Ca2+ store. Neuronal ER forms a continuous network of cisterns and tubules extending from soma to a subset of dendritic spines. LÄS MER

  3. 2. Anti-epileptic and neuroprotective mechanisms by Topiramate and Levetiracetam evaluated in primary cultures

    Författare :Mikael Ängehagen; Göteborgs universitet; []
    Nyckelord :calcium imaging; phosphorylation; kainate; glutamate; caffeine; cerebral cortex; hippocampus; field potentials; neurons; astrocytes;

    Sammanfattning : The aim of this thesis was to evaluate plausible intracellular mechanisms of action for antiepileptic drugs, Topiramate (TPM) and Levetiracetam (LEV), and to investigate if TPM possesses neuroprotective properties. The thesis is based on results from calcium imaging, immunohistochemical stainings, viability tests, and Western blot using primary cortical or hippocampal cultures, or hippocampal brain slices. LÄS MER

  4. 3. Voltage-dependent anion channels (VDAC) in the plasma membrane induce apoptosis

    Författare :Nesar Akanda; Fredrik Elinder; Tuula Jalonen; Linköpings universitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Physiology; Apoptosis; Cell membrane; Hippocampus; Membrane potentials; Neurons; Voltage-dependent anion channels; Medicine; Medicin;

    Sammanfattning : Apoptosis, or programmed cell death, is essential for proper development and functioning of the body systems. During development, apoptosis plays a central role to sculpt the embryo, and in adults, to maintain tissue homeostasis by eliminating redundant, damaged or effete cells. Therefore, a tight regulation of this process is essential. LÄS MER

  5. 4. Hippocampal circuit dynamics in learning and value processing of sensory cues : A study into the function of hippocampal microcircuits involving OLMα2 cells

    Författare :Samer Siwani; Klas Kullander; Michael Hasselmo; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Sammanfattning : The anatomical signatures of the mnemonic/emotional processes share many brain structures, one of which seems to constitute a bridge, the hippocampus. It functions as a structure that consolidates engrams. It is connected to the prefrontal cortex, nucleus accumbens and amygdala, structures that provide emotional salience. LÄS MER

  7. 5. Endoplasmic reticulum function in dendrites and dendritic spines of hippocampal neurons

    Författare :Ai Na Ng; Sektion IV; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Endoplasmic reticulum; primary culture; dendritic spines; live cell imaging; STIM1; carbachol; store-operated calcium entry; 3; familial Alzheimer s disease; 5-dihyroxyphenyglycine;

    Sammanfattning : In the hippocampus, dendritic spines are compartmentalized postsynaptic micro-domains in the excitatory synapse. Subsets of bigger and mushroom-shaped hippocampal dendritic spines contain tubules and cisterns of endoplasmic reticulum (ER) that are connected to the soma and dendrites of the neuron. LÄS MER