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Functional Interrogation of Adult Hypothalamic Neurogenesis with Focal Radiological Inhibition
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Appetite for Neurogenesis.

Kristen L Zuloaga1, Sally Temple2

  • 1Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, NY 12208, USA.

Developmental Cell
|August 9, 2017
PubMed
Summary
This summary is machine-generated.

Hypothalamic POMC neurons control neural stem cell (NSC) activity in the brain's V-SVZ region. This interaction regulates the production of olfactory bulb neurons, influenced by the animal's feeding behavior.

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Area of Science:

  • Neuroscience
  • Stem Cell Biology
  • Neurogenesis

Background:

  • Adult neural stem cells (NSCs) reside in the ventricular-subventricular zone (V-SVZ).
  • These NSCs generate various neuron types for the olfactory bulb (OB).

Purpose of the Study:

  • To investigate the role of hypothalamic POMC neurons in regulating V-SVZ neurogenesis.
  • To understand how feeding behavior influences neuronal production in the OB.

Main Methods:

  • The study by Paul et al. (2017) utilized neuroanatomical and functional analyses.
  • Investigated the innervation of the V-SVZ by POMC neurons.

Main Results:

  • Hypothalamic POMC neurons were found to innervate the anterior ventral V-SVZ.
  • POMC neuron activity was shown to regulate the production of deep granule interneurons in the OB.
  • This regulation is dependent on the organism's feeding status.

Conclusions:

  • Hypothalamic POMC neurons play a key role in modulating adult neurogenesis.
  • Feeding behavior directly impacts neural stem cell output and OB neuron diversity.