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Updated: Feb 7, 2026

Assessment of Vascular Regeneration in the CNS Using the Mouse Retina
07:32

Assessment of Vascular Regeneration in the CNS Using the Mouse Retina

Published on: June 23, 2014

14.8K

Nogo-A inhibits vascular regeneration in ischemic retinopathy

Sandrine Joly1, Agnieszka Dejda2, Léa Rodriguez1

  • 1CUO-Recherche, Centre de recherche du CHU de Québec and Département d'ophtalmologie, Faculté de médecine, Université Laval, Quebec, Quebec, Canada.

Glia
|July 28, 2018
PubMed

Insights

Inhibition of Nogo-A, a glial-derived inhibitor, improved vascular regeneration and prevented pathological angiogenesis in the central nervous system (CNS). This therapeutic approach restored retinal function after ischemic injury.

Area of Science:

  • Neuroscience
  • Vascular Biology
  • Ophthalmology

Background:

  • Nogo-A inhibits axon growth and developmental angiogenesis.
  • Its role in pathological angiogenesis post-CNS ischemic injury is unknown.

Purpose of the Study:

  • Investigate Nogo-A's role in vascular regeneration after CNS ischemic injury.
  • Assess the therapeutic potential of Nogo-A inhibition.

Main Methods:

  • Utilized a mouse model of oxygen-induced retinopathy (OIR).
  • Administered a function-blocking antibody (11C7) against Nogo-A.
  • Evaluated vascular regeneration, angiogenesis, and retinal function.

Main Results:

  • Nogo-A receptor (sphingosine 1-phosphate receptor 2) upregulated in OIR blood vessels.
  • Nogo-A expressed by glial cells surrounding ischemic areas.
  • Antibody treatment significantly improved vascular regeneration and prevented pathological angiogenesis.
  • Restored retinal function, evidenced by electrophysiological responses.

Conclusions:

  • Nogo-A inhibition promotes vascular repair in the CNS.
  • Anti-Nogo-A therapy may protect neurons from ischemic damage by enhancing blood vessel repair.
  • Targeting Nogo-A via immunotherapy could improve CNS perfusion after vascular injuries.
Keywords:
Nogo-Agliaimmunotherapyoxygen-induced retinopathyvascular repair

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