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- W2015453062 endingPage "7350" @default.
- W2015453062 startingPage "7350" @default.
- W2015453062 abstract "Purpose.: This study represents a first step toward the evaluation of possible compositional differences in meibum from normal donors (Mn) and donors with meibomian gland dysfunction (Md) by 1H-NMR spectroscopy. The results highlight the applicability of 1H-NMR spectroscopy for the quantitative analysis of waxes, cholesteryl esters, and glycerides in meibum lipid (ML). Methods.: Meibum was obtained from 41 normal donors and 51 donors with meibomian gland dysfunction (MGD). 1H-NMR spectroscopy was used to quantify the amount of waxes, glycerides, and cholesteryl esters in human meibum. Results.: The relative amount of cholesteryl esters in Mn increased with age and was 40% (P < 0.05) lower in Md. Interestingly, the relative levels of cholesteryl esters in infant meibum were comparable to those in Md. The relative amounts of glycerides were not affected significantly by age or MGD. Conclusions.: The changes in cholesteryl ester could be used as a molecular marker for MGD and could potentially be applied to follow the efficacy of drug therapy in the treatment of MGD. The similarity of the levels of cholesteryl esters in infant meibum and Md suggests that the relative amounts of these meibum components alone are unlikely to be responsible for the increased stability of the infant tear film and decreased stability of the tear film with MGD. This study reveals the complexity of human MLs and the changes that occur with age and disease. Understanding the factors that lead to such variations is of utmost relevance in the design of effective therapies." @default.
- W2015453062 created "2016-06-24" @default.
- W2015453062 creator A5002638584 @default.
- W2015453062 creator A5031315736 @default.
- W2015453062 creator A5031603403 @default.
- W2015453062 creator A5052026761 @default.
- W2015453062 creator A5089111825 @default.
- W2015453062 date "2011-09-20" @default.
- W2015453062 modified "2023-10-16" @default.
- W2015453062 title "Analysis of the Composition of Lipid in Human Meibum from Normal Infants, Children, Adolescents, Adults, and Adults with Meibomian Gland Dysfunction Using<sup>1</sup>H-NMR Spectroscopy" @default.
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- W2015453062 doi "https://doi.org/10.1167/iovs.11-7391" @default.