4.5 Article

Tear proteomic analysis of young glasses, orthokeratology, and soft contact lens wearers

期刊

JOURNAL OF PROTEOMICS
卷 270, 期 -, 页码 -

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ELSEVIER
DOI: 10.1016/j.jprot.2022.104738

关键词

Liquid chromatography -mass spectrometry; diaPASEF; Proteomics; Tears; Contact lens; Age

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Contact lens-related ocular surface complications are more common in teenagers and young adults. This study investigated the changes in tear proteome of young patients wearing glasses, orthokeratology lenses, and soft contact lenses. The results showed that tear proteomes were altered by orthokeratology and soft contact wear and age. These findings highlight the need for further research on the ocular surface responses to contact lens wear in teenagers and young adults separately.
Contact lens-related ocular surface complications occur more often in teenagers and young adults. The purpose of this study was to determine changes in tear proteome of young patients wearing glasses (GL), orthokeratology lenses (OK), and soft contact lenses (SCL). Twenty-two young subjects (10-26 years of age) who were established GL, OK, and SCL wearers were recruited. Proteomic data were collected using a data-independent acquisition -parallel accumulation serial fragmentation workflow. In total, 3406 protein groups were identified, the highest number of proteins identified in Schirmer strip tears to date. Eight protein groups showed higher abundance, and 11 protein groups showed lower abundance in the SCL group compared to the OK group. In addition, the abundance of 82 proteins significantly differed in children compared to young adult GL wearers, among which 67 proteins were higher, and 15 proteins were lower in children. These 82 proteins were involved in inflammation, immune, and glycoprotein metabolic biological processes. In summary, this work identified over 3000 proteins in Schirmer Strip tears. The results indicated that tear proteomes were altered by orthokeratology and soft contact wear and age, which warrants further larger-scale study on the ocular surface responses of teenagers and young adults separately to contact lens wear. Significance: In this work, we examined the tear proteomes of young patients wearing glasses, orthokeratology lenses, and soft contact lenses using a data-independent acquisition-parallel accumulation serial fragmentation (diaPASEF) workflow and identified 3406 protein groups in Schirmer strip tears. Nineteen protein groups showed significant abundance changes between orthokeratology and soft contact lens wearers. Moreover, eighty-two protein groups significantly differed in abundance in children and young adult glasses wearers. As a pilot study, this work provides a deep coverage of tear proteome and suggests the need to investigate ocular responses to contact lens wear separately for children and young adults.

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