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Doublecortin expression levels in adult brain reflect neurogenesis.

Couillard-Despres, Sebastien (författare)
Winner, Beate (författare)
Schaubeck, Susanne (författare)
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Aigner, Robert (författare)
Vroemen, Maurice (författare)
Weidner, Norbert (författare)
Bogdahn, Ulrich (författare)
Winkler, Jürgen (författare)
Kuhn, Hans-Georg, 1961 (författare)
Gothenburg University,Göteborgs universitet,Institutionen för klinisk neurovetenskap,Institute of Clinical Neurosciences
Aigner, Ludwig (författare)
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 (creator_code:org_t)
Wiley, 2005
2005
Engelska.
Ingår i: The European journal of neuroscience. - : Wiley. - 0953-816X .- 1460-9568. ; 21:1, s. 1-14
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Progress in the field of neurogenesis is currently limited by the lack of tools enabling fast and quantitative analysis of neurogenesis in the adult brain. Doublecortin (DCX) has recently been used as a marker for neurogenesis. However, it was not clear whether DCX could be used to assess modulations occurring in the rate of neurogenesis in the adult mammalian central nervous system following lesioning or stimulatory factors. Using two paradigms increasing neurogenesis levels (physical activity and epileptic seizures), we demonstrate that quantification of DCX-expressing cells allows for an accurate measurement of modulations in the rate of adult neurogenesis. Importantly, we excluded induction of DCX expression during physiological or reactive gliogenesis and excluded also DCX re-expression during regenerative axonal growth. Our data validate DCX as a reliable and specific marker that reflects levels of adult neurogenesis and its modulation. We demonstrate that DCX is a valuable alternative to techniques currently used to measure the levels of neurogenesis. Importantly, in contrast to conventional techniques, analysis of neurogenesis through the detection of DCX does not require in vivo labelling of proliferating cells, thereby opening new avenues for the study of human neurogenesis under normal and pathological conditions.

Nyckelord

Animals
Animals
Newborn
Behavior
Animal
Brain
cytology
metabolism
Bromodeoxyuridine
metabolism
Cell Count
Cell Differentiation
physiology
Cell Proliferation
Cell Size
Cells
Cultured
Female
GAP-43 Protein
metabolism
Ganglia
Spinal
Gene Expression Regulation
physiology
Glial Fibrillary Acidic Protein
metabolism
Immunohistochemistry
methods
Indoles
diagnostic use
Laminectomy
methods
Mice
Mice
Inbred C57BL
Microtubule-Associated Proteins
metabolism
Neurofilament Proteins
metabolism
Neurons
metabolism
Neuropeptides
metabolism
Organ Culture Techniques
Phosphopyruvate Hydratase
metabolism
Running
Scopolamine
Seizures
chemically induced
metabolism
Spinal Cord Injuries
metabolism
Stem Cells
metabolism
Time Factors

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