Thioredoxin-interacting protein (TXNIP) inhibition promotes retinal ganglion cell survival and facilitates M1-like microglial transformation via the PI3K/Akt pathway in glaucoma
2024

TXNIP Inhibition and Retinal Cell Survival in Glaucoma

Sample size: 600 publication Evidence: high

Author Information

Author(s): Chen Junjue, Zhong Huimin, Shen Bingqiao, Yu Huan, Zhang Yang, Han Ruiqi

Primary Institution: Ruijin Hospital Affiliated Medical School, Shanghai Jiaotong University

Hypothesis

TXNIP plays a role in retinal ganglion cell survival and microglial transformation in glaucoma.

Conclusion

Inhibiting TXNIP promotes retinal ganglion cell survival and alters microglial activation in glaucoma.

Supporting Evidence

  • TXNIP expression was significantly increased in glaucomatous retinas.
  • Ablation of TXNIP promoted retinal ganglion cell survival.
  • TXNIP knockout reduced proinflammatory cytokine secretion in microglia.
  • TXNIP mediates microglial activation in response to high pressure.
  • TXNIP inhibition enhanced glucose uptake in microglia.
  • IL-17A was found to interact with TXNIP in regulating microglial transformation.
  • TXNIP affects microglial polarization via the PI3K/Akt signaling pathway.

Takeaway

This study shows that blocking a protein called TXNIP helps protect eye cells in glaucoma and changes how certain immune cells behave.

Methodology

The study used chronic ocular hypertension mice models and various assays including Western blot, RT-PCR, and immunofluorescence to assess retinal inflammation and cell survival.

Participant Demographics

Male wild-type and TXNIP knockout mice, aged 6-8 weeks.

Statistical Information

P-Value

0.00

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/s10020-024-01058-5

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