Single-cell transcriptomic profiling uncovers pathogenic cellular diversity and potential inflammatory markers in the retinas of STZ-induced diabetic mice - Report - MDSpire

Single-cell transcriptomic profiling uncovers pathogenic cellular diversity and potential inflammatory markers in the retinas of STZ-induced diabetic mice

  • By

  • Shuai Ouyang

  • Jingwen Wang

  • Xiaolan Du

  • Shouyue Zhang

  • Shijun Han

  • Xiaotong Xu

  • Beichen Ren

  • Weihong Yu

  • April 29, 2026

  • 0 min

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Clinical Report: Single-cell transcriptomic profiling in diabetic retinopathy

Overview

This study reveals significant transcriptional heterogeneity in Müller glia within the retinas of STZ-induced diabetic mice, highlighting their role in inflammatory responses associated with diabetic retinopathy. Key findings include the identification of distinct Müller glial subpopulations and potential inflammatory markers such as Cebpb and Junb.

Background

Diabetic retinopathy (DR) is a major cause of blindness, driven by chronic hyperglycemia leading to vascular and neuroglial dysfunction. Understanding the cellular mechanisms, particularly the role of Müller glia, is crucial for developing effective therapeutic strategies. This study provides insights into the transcriptional changes in Müller glia under diabetic conditions, which may inform future research and treatment approaches.

Data Highlights

No numerical data provided in the source material.

Key Findings

  • Identification of four distinct Müller glial subpopulations in diabetic retinas.
  • Müller glia exhibited the strongest transcriptional perturbation in STZ-induced diabetic conditions.
  • Pseudotime analysis indicated branch-dependent transcriptional programs among Müller subclusters.
  • Functional enrichment analysis linked different Müller glial subclusters to distinct biological processes, with a shared activation of inflammatory-response programs.
  • Cebpb and Junb were highlighted as candidate inflammation-associated factors with altered protein abundance in diabetic retinas.

Clinical Implications

The findings underscore the importance of Müller glia in the pathophysiology of diabetic retinopathy, suggesting that targeting their inflammatory responses may offer new therapeutic avenues. Clinicians should consider the role of glial cells in managing diabetic retinopathy and the potential for novel biomarkers in monitoring disease progression.

Conclusion

This study enhances our understanding of Müller glial heterogeneity and their involvement in diabetic retinal stress responses. Future research should focus on the mechanistic pathways identified to develop targeted interventions for diabetic retinopathy.

References

  1. Basic Research in Cardiology, 2025 -- Profiling of Coronary Microcirculation and Myocardium in Type 2 Diabetes Using Single-Cell and Spatial Transcriptomics
  2. Basic Research in Cardiology, 2024 -- Inflammatory Signaling Pathways Involving the CD40–CD40L–TRAF Cascade in Diabetes and Hypertension: Findings from Animal and Human Research
  3. Retinal Physician, 2024 -- New Biomarker Identified for Assessing DR Severity
  4. Diabetes Care, 2026 -- Standards of Care in Diabetes-2026
  5. Retinal Physician — Novel Methods and Diagnostic Tools in Diabetic Retinopathy Novel Methods and Diagnostic Tools in Diabetic Retinopathy Recommendations
  6. Five-Year Outcomes of Panretinal Photocoagulation vs Intravitreous Ranibizumab for Proliferative Diabetic Retinopathy: A Randomized Clinical Trial
  7. Changes in aqueous and vitreous inflammatory cytokine levels in nonproliferative diabetic retinopathy: systematic review and meta-analysis
  8. Single-cell sequencing in diabetic retinopathy: progress and prospects
  9. The complement system and diabetic retinopathy
  10. Diabetes Care Volume 49, Supplement 1, January 2026

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