Topical application of L-arginine blocks advanced glycation by ascorbic acid in the lens of hSVCT2 transgenic mice
2011

L-arginine Eye Drops May Help Prevent Cataracts

Sample size: 10 publication Evidence: moderate

Author Information

Author(s): Fan Xingjun, Xiaoqin Liu, Potts Breshey, Strauch Christopher M., Nemet Ina, Monnier Vincent M.

Primary Institution: Case Western Reserve University

Hypothesis

Can topical application of L-arginine block advanced glycation in the lens of hSVCT2 transgenic mice?

Conclusion

Topical application of L-arginine significantly reduces advanced glycation end products in the lens, suggesting its potential as a treatment for cataracts.

Supporting Evidence

  • L-arginine decreased fluorescence by 40% (p<0.001).
  • L-arginine reduced CML, CEL, and glucosepane levels by 35%, 30%, and 37% respectively (p<0.05).
  • N-acetylcysteine also showed some effect but was less effective than L-arginine.

Takeaway

Using L-arginine eye drops can help keep the lens of the eye clear and may prevent cataracts.

Methodology

hSVCT2 transgenic mice were treated with L-arginine eye drops for seven months, and lens crystallins were analyzed for advanced glycation end products.

Limitations

The study was conducted on mice, and results may not directly translate to humans.

Participant Demographics

hSVCT2 transgenic mice, 2 months old.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

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