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Related Concept Videos

iPS Cell Differentiation01:22

iPS Cell Differentiation

The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.
EPS and iPS Cells in Disease Research01:21

EPS and iPS Cells in Disease Research

Embryonic and induced pluripotent stem cells are excellent models for disease research because of their ability to self-renew and differentiate into most cell types. Somatic cells from a patient are isolated and reprogrammed into induced pluripotent stem cells or iPSCs. These iPSCs are later differentiated into the desired cell type, which mirrors the diseased cell of the patient. In this way, disease models have been created for investigating diseases such as Down syndrome, type I diabetes,...

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Related Experiment Video

Updated: Jun 19, 2026

Experimental Autoimmune Uveitis: An Intraocular Inflammatory Mouse Model
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Multicellular immune dynamics implicate PIM1 as a potential therapeutic target for uveitis.

He Li1, Lihui Xie1, Lei Zhu1

  • 1State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, 510060, China.

Nature Communications
|October 4, 2022
PubMed
Summary

This study reveals key immune cell changes in autoimmune uveitis using single-cell RNA sequencing. Inhibiting the PIM1 molecule shows promise in treating this severe eye disease and Vogt-Koyanagi-Harada disease.

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Area of Science:

  • Immunology
  • Ophthalmology
  • Genomics

Background:

  • Uveitis is a severe autoimmune eye disease and a leading cause of blindness.
  • The precise cellular dynamics and pathogenic mechanisms of uveitis are not fully understood.

Purpose of the Study:

  • To investigate the cellular and molecular mechanisms underlying experimental autoimmune uveitis (EAU) using single-cell RNA sequencing (scRNA-seq).
  • To identify potential therapeutic targets for uveitis and related human conditions like Vogt-Koyanagi-Harada disease (VKH).

Main Methods:

  • Performed scRNA-seq on experimental autoimmune uveitis (EAU) models.
  • Analyzed disease-associated alterations in cell composition and transcriptional regulation.
  • Investigated the role of the molecule PIM1 and its downstream signaling pathways (AKT/FOXO1).
  • Assessed the effects of PIM1 inhibition on immune cell populations and pathogenicity in both EAU and human VKH models.

Main Results:

  • Identified dynamic changes in immune cell composition and gene expression during EAU progression.
  • Discovered that PIM1 is upregulated in CD4+ T cells and plasma cells in both EAU and human VKH.
  • Demonstrated that PIM1 inhibition reduces pathogenic Th17 cells, increases regulatory T cells (Tregs), and decreases plasma cell differentiation.
  • Showed that PIM1 inhibition limits CD4+ T and B cell expansion in VKH models.

Conclusions:

  • Developed a comprehensive immune cellular atlas for uveitis.
  • PIM1 plays a critical role in uveitis pathogenesis.
  • PIM1 inhibition represents a potential therapeutic strategy for autoimmune uveitis, including VKH.