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Proteomic analysis of human lacrimal and tear fluid in dry eye disease.


ABSTRACT: To understand the pathophysiology of dry eye disease (DED), it is necessary to characterize proteins in the ocular surface fluids, including tear fluid (TF) and lacrimal fluid (LF). There have been several reports of TF proteomes, but few proteomic studies have examined LF secreted from the lacrimal gland (LG). Therefore, we characterized the proteins constituting TF and LF by liquid chromatography mass spectrometry. TF and LF were collected from patients with non-Sjögren syndrome DED and from healthy subjects. Through protein profiling and label-free quantification, 1165 proteins from TF and 1448 from LF were identified. In total, 849 proteins were present in both TF and LF. Next, candidate biomarkers were verified using the multiple reaction monitoring assay in both TF and LF of 17 DED patients and 17 healthy controls. As a result, 16 marker proteins were identified (fold-change?>?1.5, p-value?

SUBMITTER: Jung JH 

PROVIDER: S-EPMC5645331 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature

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Proteomic analysis of human lacrimal and tear fluid in dry eye disease.

Jung Jae Hun JH   Ji Yong Woo YW   Hwang Ho Sik HS   Oh Jae Won JW   Kim Hyun Chang HC   Lee Hyung Keun HK   Kim Kwang Pyo KP  

Scientific reports 20171017 1


To understand the pathophysiology of dry eye disease (DED), it is necessary to characterize proteins in the ocular surface fluids, including tear fluid (TF) and lacrimal fluid (LF). There have been several reports of TF proteomes, but few proteomic studies have examined LF secreted from the lacrimal gland (LG). Therefore, we characterized the proteins constituting TF and LF by liquid chromatography mass spectrometry. TF and LF were collected from patients with non-Sjögren syndrome DED and from h  ...[more]

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