Arginase 2 Deletion Reduces Neuro-Glial Injury and Improves Retinal Function in a Model of Retinopathy of Prematurity
2011

Arginase 2 Deletion Reduces Neuro-Glial Injury and Improves Retinal Function in a Model of Retinopathy of Prematurity

Sample size: 6 publication Evidence: high

Author Information

Author(s): Narayanan Subhadra P., Suwanpradid Jutamas, Saul Alan, Xu Zhimin, Still Amber, Caldwell Robert W., Caldwell Ruth B.

Primary Institution: Georgia Health Sciences University

Hypothesis

The study investigates the role of arginase 2 in retinal neuro-glial cell injury during retinopathy of prematurity.

Conclusion

Deletion of arginase 2 significantly improves neuronal survival and function in a model of retinopathy of prematurity.

Supporting Evidence

  • Deletion of arginase 2 reduced the number of apoptotic cells in the retina.
  • Retinal function was significantly improved in arginase 2 knockout mice compared to wild type.
  • Arginase 2 deletion prevented glial cell activation during oxygen-induced retinopathy.

Takeaway

Scientists found that removing a specific protein called arginase 2 helps protect the eyes of baby mice from damage that can cause vision problems.

Methodology

The study used wild type and arginase 2 knockout mice exposed to oxygen-induced retinopathy, assessing neuronal injury and retinal function through various techniques including immunohistochemistry and electroretinography.

Participant Demographics

Mice (C57BL6 background)

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0022460

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