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The generation of new neurons in the olfactory bulb (OB) persists into adulthood and is a multistep process that includes proliferation, fate choice, migration, survival, and differentiation. Neural precursor cells destined to form olfactory interneurons arise in the subventricular zone (SVZ) and migrate along the rostral migratory stream (RMS) to the OB.(More)
Optokinetic circular vection (CV) was investigated in 12 subjects using an optokinetic pattern rotating at 15 degrees /s, 30 degrees /s, or 60 degrees /s, and four viewing conditions: FOL, subjects attentively followed details of pattern; STA, subjects stared at the pattern; SUP, subjects suppressed their optokinetic reflex (OKR) voluntarily (this was(More)
An astrocyte-like cell population corresponding to residual radial glia represents the neuronal progenitors of the adult mammalian hippocampus. We show that radial glia-like cells of the dentate gyrus express surface-located ATP-hydrolyzing activity and are immunopositive for NTPDase2. This enzyme hydrolyzes extracellular nucleoside triphosphates such as(More)
Growth factors and their respective receptors are key regulators during development and for homeostasis of the nervous system. In addition, changes in growth factor function, availability or downstream signaling is involved in many neuropathological disorders like Parkinson's disease, Alzheimer's disease, amyotrophic lateral sclerosis, stroke and brain(More)
When observers step about their vertical axis ("active turning") without vision they dispose of essentially two sources of information that can tell them by how much they have turned: the vestibular cue which reflects head rotation in space and the "podokinesthetic" cue, a compound of leg proprioceptive afferents and efference copy signals which reflects(More)
Vascular endothelial growth factor receptor 1 (VEGFR-1) is highly expressed in endothelial cells and regulates developmental angiogenesis by acting as a decoy receptor and trapping VEGF-A. Vascular endothelial growth factor receptor 1 is also expressed in monocytes and macrophages; mice lacking the VEGFR-1 tyrosine kinase (TK) domain (VEGFR-1 TK mice)(More)
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