Related Experiment Video

Updated: Jan 30, 2026

Isolation and Culture of Primary Retinal Müller Cells from Sprague-Dawley (SD) Rats
07:41

Isolation and Culture of Primary Retinal Müller Cells from Sprague-Dawley (SD) Rats

Published on: June 17, 2025

916

Characterization of the novel spontaneously immortalized rat Müller cell line SIRMu-1

Thaksaon Kittipassorn1, Cameron D Haydinger1, John P M Wood2

  • 1School of Biological Sciences, Molecular Life Sciences Building, University of Adelaide, Adelaide, SA, 5005, Australia.

Experimental Eye Research
|January 25, 2019
PubMed

Insights

A new spontaneously immortalized rat Müller cell line, SIRMu-1, offers a valuable research tool. It closely resembles primary Müller cells, retaining key markers and transcriptome profiles for studying retinal physiology and disease.

Area of Science:

  • Ophthalmology
  • Cell Biology
  • Neuroscience

Background:

  • Müller cells (MCs) are vital for retinal function.
  • Cultured MC lines are essential research tools.
  • Transformed MC lines may exhibit altered characteristics compared to primary cells.

Purpose of the Study:

  • To derive and characterize a novel spontaneously immortalized rat Müller cell line, SIRMu-1.
  • To provide an alternative experimental tool that better reflects primary MC characteristics.
  • To assess the suitability of SIRMu-1 for studying MCs in physiological and pathological conditions.

Main Methods:

  • Derivation of a monoclonal spontaneously immortalized rat Müller cell line (SIRMu-1).
  • Characterization using immunofluorescence, western blotting, and RNA sequencing.
  • Comparison of SIRMu-1 with primary rat MCs and the transformed rMC-1 cell line.

Main Results:

  • SIRMu-1 cells express key Müller cell markers (CRALBP, GS, S100, vimentin, GFAP) at mRNA and protein levels.
  • SIRMu-1 exhibits cellular morphology and transcriptome profiles similar to primary rat MCs, more so than rMC-1 cells.
  • SIRMu-1 cells demonstrate rapid proliferation, indefinite lifespan, high transfection efficiency, and confirmed male origin.

Conclusions:

  • The SIRMu-1 cell line is a valuable experimental tool for investigating Müller cell roles.
  • SIRMu-1 offers a more representative model of primary rat Müller cells compared to existing transformed lines.
  • This novel cell line can advance research in retinal physiology and pathology.
Keywords:
Cell cultureMüller cellRetinaSIRMu-1Spontaneously immortalized cell

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