Article Publish Status: FREE
Abstract Title:

Curcumin Metabolite Tetrahydrocurcumin in the Treatment of Eye Diseases.

Abstract Source:

Int J Mol Sci. 2020 Dec 28 ;22(1). Epub 2020 Dec 28. PMID: 33379248

Abstract Author(s):

Yu-Wen Kao, Sheng-Kai Hsu, Jeff Yi-Fu Chen, I-Ling Lin, Kuo-Jen Chen, Po-Yen Lee, Hui-Suan Ng, Chien-Chih Chiu, Kai-Chun Cheng

Article Affiliation:

Yu-Wen Kao


Curcumin is one of the most valuable natural products due to its pharmacological activities. However, the low bioavailability of curcumin has long been a problem for its medicinal use. Large studies have been conducted to improve the use of curcumin; among these studies, curcumin metabolites have become a relatively new research focus over the past few years. Additionally, accumulating evidence suggests that curcumin or curcuminoid metabolites have similar or better biological activity than the precursor of curcumin. Recent studies focus on the protective role of plasma tetrahydrocurcumin (THC), a main metabolite of curcumin, against tumors and chronic inflammatory diseases. Nevertheless, studies of THC in eye diseases have not yet been conducted. Since ophthalmic conditions play a crucial role in worldwide public health, the prevention and treatment of ophthalmic diseases are of great concern. Therefore, the present study investigated the antioxidative, anti-inflammatory, antiangiogenic, and neuroprotective effects of THC on four major ocular diseases: age-related cataracts, glaucoma, age-related macular degeneration (AMD), and diabetic retinopathy (DR). While this study aimed to show curcumin as a promising potential solution for eye conditions and discusses the involved mechanistic pathways, further work is required for the clinical application of curcumin.

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