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In Vitro Assays for Mouse Müller Cell Phenotyping Through microRNA Profiling in the Damaged Retina

Luis I Reyes-Aguirre1, Heberto Quintero1,2, Brenda Estrada-Leyva1

  • 1Department of Pharmacobiology, Centro de Investigación y de Estudios Avanzados (Cinvestav), Mexico City, Mexico.

Methods in Molecular Biology (Clifton, N.J.)
|March 23, 2018
PubMed

Insights

microRNA profiling can identify retinal cell identity and function. This study details a method to profile Müller glia microRNAs after injury, enabling cell phenotyping.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Ophthalmology

Background:

  • microRNA (miRNA) expression patterns can define cell-specific phenotypes and functions.
  • Müller glia in the adult retina undergo significant gene expression changes following injury, potentially adopting a progenitor-like state.
  • Identifying these changes is crucial for understanding retinal repair mechanisms.

Purpose of the Study:

  • To establish a method for microRNA profiling of Müller glia in an injured retina.
  • To enable phenotyping of Müller glia under various experimental conditions.
  • To investigate the role of miRNAs in Müller glia response to retinal damage.

Main Methods:

  • Excitotoxic retinal damage induced by N-methyl-D-aspartate (NMDA) subretinal injection.
  • Magnetic-activated cell sorting (MACS) for isolating Müller glia.
  • RNA isolation followed by microRNA profiling.

Main Results:

  • The described method successfully isolates Müller glia from injured retinas.
  • MicroRNA profiles can be generated from these isolated cells.
  • This approach allows for the comparison of miRNA expression patterns.

Conclusions:

  • A combined method of inducing retinal damage, sorting Müller glia, and performing miRNA profiling is feasible.
  • This technique facilitates the phenotyping of Müller glia.
  • It provides a foundation for studying miRNA-mediated cellular responses in retinal injury and regeneration.
Keywords:
Adult stem cellMagnetic-activated cell sorting (MACS)N-methyl-D-aspartate (NMDA)RegenerationRetinal progenitor cellmicroRNA

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