Search for dissertations about: "sNPF"

Found 5 swedish dissertations containing the word sNPF.

  2. 1. Chemical signalling in the Drosophila brain : GABA, short neuropeptide F and their receptors

    Author : Lina E. Enell; Dick Nässel; Jonathan Bacon; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Insect nervous system; Drosophila; GABA; sNPF; GPCR; ion channel receptor; feeding; metabolic stress; olfaction; antennal; lobe; mushroom body; Morphology; Morfologi; funktionell morfologi; Functional Zoomorphology;

    Abstract : Gamma-aminobutyric acid (GABA) and short neuropeptide F (sNPF) are widespread signalling molecules in the brain of insects. In order to understand more about the signalling and to some extent start to unravel the functional roles of these two substances, this study has examined the locations of the transmitters and their receptors in the brain of the fruit fly Drosophila melanogaster using immunocytochemistry in combination with Gal4/UAS technique. READ MORE

  4. 2. Regulation of insulin producing cells, stress responses and metabolism in Drosophila

    Author : Neval Kapan; Dick R. Nässel; Alberto Ferrus; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Insulin signaling; Drosophila melanogaster; peptide hormones; neuropeptides; GABA; funktionell zoomorfologi; Functional Zoomorphology;

    Abstract : In Drosophila, neuropeptides have regulatory roles in development, growth, metabolism and reproduction. This study focused on GABA and the neuropeptides Drosophila tachykinin (DTK), short neuropeptide F (sNPF), adipokinetic hormone (AKH), corazonin (CRZ) and Drosophila insulin-like peptides (DILPs) as possible regulators of metabolic stress responses and homeostasis. READ MORE

  5. 3. Distribution and modulatory roles of neuropeptides and neurotransmitters in the Drosophila brain

    Author : Lily Kahsai Tesfai; Åsa M. E. Winther; Ronald Strauss; Stockholms universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; central complex; locomotor behavior; co-transmitter; metabotropic receptor; metabolic stress; Neurobiology; Neurobiologi; zoologi; Zoology;

    Abstract : The central complex is a prominent neuropil found in the middle of the insect brain. It is considered as a higher center for motor control and information processing. READ MORE

  6. 4. The role of insulin signaling during development, reproductive diapause and aging in Drosophila Melanogaster

    Author : Sifang Liao; Dick Nässel; Heinrich Dircksen; Mark Brown; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; insulin-like peptides; reproductive diapause; behavioral senescence; neuromodulator; lifespan; funktionell zoomorfologi; Functional Zoomorphology;

    Abstract : The insulin/insulin-like growth factor signaling pathway exists from invertebrates to vertebrates and it can regulate various biological processes, including development, metabolism, stress resistance and lifespan. In Drosophila, eight insulin-like peptides (DILP1-8) have been found. READ MORE

  7. 5. Morphological and functional effects of insulin signaling and the bHLH transcription factor Dimmed on different neuron types in Drosophila

    Author : Yiting Liu; Dick R. Nässel; Irene Miguel-Aliaga; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; insulin signaling; Dimm; neuropeptide; insulin receptor; insulin-like peptide; drosophila; funktionell zoomorfologi; Functional Zoomorphology;

    Abstract : In Drosophila, the insulin signaling pathway is at the interface between dietary conditions and control of growth and development, reproduction, stress responses and life span. Eight insulin like peptides (Dilp1-8), an insulin tyrosine kinase receptor (dInR) and its downstream components, as well as a relaxin-like receptor type (Lgr3) form the core of this signaling. READ MORE