Rescue of Photoreceptor Degeneration by Curcumin in Transgenic Rats with P23H Rhodopsin Mutation
2011

Curcumin Helps Treat Retinal Degeneration in Rats

Sample size: 17 publication 10 minutes Evidence: moderate

Author Information

Author(s): Vasireddy Vidyullatha, Chavali Venkata R. M., Joseph Victory T., Kadam Rajendra, Lin Jonathan H., Jamison Jeffrey A., Kompella Uday B., Reddy Geereddy Bhanuprakash, Ayyagari Radha

Primary Institution: University of California San Diego

Hypothesis

Can curcumin dissociate protein aggregates and improve retinal function in P23H rhodopsin transgenic rats?

Conclusion

Curcumin treatment improves retinal structure and function in P23H-rhodopsin transgenic rats.

Supporting Evidence

  • Curcumin treatment resulted in a significant increase in the thickness of the outer nuclear layer and inner nuclear layer in treated rats.
  • Electroretinography showed improved retinal function in curcumin-treated rats compared to untreated controls.
  • Curcumin was found to dissociate mutant rhodopsin protein aggregates in cell culture.
  • Curcumin administration improved retinal morphology in P23H-rhodopsin transgenic rats.

Takeaway

Curcumin, a compound found in turmeric, can help protect the eyes of rats from damage caused by a specific genetic mutation.

Methodology

The study involved treating P23H-rhodopsin transgenic rats with curcumin and assessing retinal morphology and function through various tests.

Potential Biases

Potential bias due to funding sources and author affiliations.

Limitations

Further analysis is needed to determine the long-term effects and optimal dosing of curcumin.

Participant Demographics

Heterozygous P23H-rhodopsin transgenic rats were used in the study.

Statistical Information

P-Value

p≤3.6e-07 for ONL thickness, p≤2e-05 for INL thickness

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021193

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