Sökning: "neural crest"

Visar resultat 21 - 25 av 71 avhandlingar innehållade orden neural crest.

  1. 21. On the actions of neurotrophic factors on the chromaffin cells of the adrenal medulla

    Författare :Petter Förander; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Neural crest; chromaffin cells; neurotrophic factors; NGF; NT-3; NT4; CNTF; GDNF; TGFß; FGF2; glucocorticoids; Intra oculartransplantation ; primary cultures; neurite outgrowth;

    Sammanfattning : Chromaffin cells producing adrenaline or noradrenaline are the predominant cell type in the adrenal medulla, but ganglion cells and Schwann cells are also present. All cells of the adrenal medulla are derived from the neural crest, which is a transient neuroectoderm-derived embryonic structure. LÄS MER

  3. 22. A Comparative Study of Head Development in Mexican Axolotl and Australian Lungfish: Cell Migration, Cell Fate and Morphogenesis

    Författare :Rolf Ericsson; Rolf Ohlsson; Graham Budd; Lennart Olsson; Per Ahlberg; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Developmental biology; Head development; axolotl; lungfish; Utvecklingsbiologi; Developmental biology; Utvecklingsbiologi; Developmental Biology; miljömedicinsk utvecklingsbiologi;

    Sammanfattning : The development of the vertebrate head is a complex process involving interactions between a multitude of cell types and tissues. This thesis describes the development of the cranial neural crest and of the visceral arch muscles in the head of two species. LÄS MER

  4. 23. Stem Cell Transplantation in Dorsal Root Injury

    Författare :Carl Trolle; Elena Kozlova; Niklas Marklund; Karin Nordström; Michael Andäng; Mårten Risling; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Sensory Neuron; Regeneration; Spinal Root; Stem Cell; Neuroscience; Neurovetenskap;

    Sammanfattning : After traumatic injuries to the brachial plexus there is a risk that one or more of the spinal roots are torn from the spinal cord, known as avulsion injury. This often leads to paralysis and chronic pain, notoriously difficult to treat with current pharmacotherapy. LÄS MER

  5. 24. Cytoskeleton-interacting proteins in brainstem development : roles of KCC2 and Vangl2

    Författare :Zachi Horn; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : The brainstem is the most evolutionary conserved division of the brain. It develops from the hindbrain and midbrain regions of the neural tube and forms neural networks that regulate vital functions of the body. One of the most critical roles is to generate respiratory rhythm for the regulation of oxygen, carbon dioxide and pH levels. LÄS MER

  7. 25. Ultrasound-guided in utero lentivirus transduction of the murine nervous system to investigate nervous system disorders

    Författare :Katrin Mangold; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Neurodevelopment is a highly dynamic process involving hundreds of molecular different cell types. Gain and loss of function studies provide valuable insight into the gene regulatory networks that orchestrate this morphological process. LÄS MER