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Molecular Advances in Dry Eye Syndrome
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Molecular Advances in Dry Eye Syndrome

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: 31 May 2024 | Viewed by 452

Special Issue Editor

Dr. Maria Jesus Giráldez-Fernández

E-Mail Website
Guest Editor
GI-2092—Optometry, Department of Applied Physics (Optometry Area), Universidade de Santiago de Compostela, Campus Vida s/n, Santiago de Compostela, Spain
Interests: dry eye disease; ocular surface; contact lens; tear substitutes

Special Issue Information

Dear Colleagues,

Dry eye disease (DED) is a common ocular surface disease affecting a significant percentage of the population. Caused by tear film homeostasis disruption, DED is characterized by dryness, inflammation, discomfort, and visual disturbances. This condition greatly affects the quality of life of patients, and can potentially lead to permanent vision loss.

The purpose of this Special Issue is to report recent molecular advances in DED to assist in developing a better knowledge of DED-related pathophysiological mechanisms, diagnostic methods, and therapeutic approaches.

Potential topics include, but are not limited to, both immune and adaptive immune responses, ocular surface signs and symptoms, diagnostic methods, new pharmacological treatments, and specialized drug delivery systems.

Dr. Maria Jesus Giráldez-Fernández
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • dry eye disease
  • tear film osmolarity
  • tear film
  • artificial tear substitutes
  • biological tear substitutes
  • tear fluid biomarkers
  • tear film lipid layer
  • meibomian gland dysfunction
  • evaporative dry eye
  • aqueous deficiency dry eye
  • ocular surface inflammation
  • cytokines
  • histological analysis
  • pharmacological treatment

Published Papers (1 paper)

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Research

17 pages, 11790 KiB  
Article
Meibum Lipidomic Analysis in Evaporative Dry Eye Subjects
by Jacobo Garcia-Queiruga, Hugo Pena-Verdeal, Belen Sabucedo-Villamarin, Monica Paz-Tarrio, Esteban Guitian-Fernandez, Carlos Garcia-Resua, Eva Yebra-Pimentel and Maria J. Giraldez
Int. J. Mol. Sci. 2024, 25(9), 4782; https://doi.org/10.3390/ijms25094782 - 27 Apr 2024
Viewed by 298
Abstract
Meibomian Glands (MG) are sebaceous glands responsible for the production of meibum, the main component of the Tear Film Lipid Layer (TFLL). The TFLL facilitates the spread of the tear film over the ocular surface, provides stability and reduces tear evaporation. Alterations in [...] Read more.
Meibomian Glands (MG) are sebaceous glands responsible for the production of meibum, the main component of the Tear Film Lipid Layer (TFLL). The TFLL facilitates the spread of the tear film over the ocular surface, provides stability and reduces tear evaporation. Alterations in meibum composition lead to different ocular alterations like Meibomian Gland Dysfunction (MGD) and subsequent Evaporative Dry Eye (EDE). The aim of the present study was to investigate the composition and abundance of meibum lipids and their relationship with eyelid margin abnormalities, lipid layer patterns and MG status. The study utilizes a lipidomic approach to identify and quantify lipids in meibum samples using an Elute UHPLC system. This system considered all four dimensions (mass/charge, retention time, ion mobility and intensity) to provide the accurate identification of lipid species. Samples were categorized as healthy or low/no signs of alteration (group 1) or severe signs of alteration or EDE/MGD (group 2). The current investigation found differences in Variable Importance in Projection lipid abundance between both groups for the MGD signs studied. Changes in meibum composition occur and are related to higher scores in eyelid margin hyperaemia, eyelid margin irregularity, MG orifice plugging, MG loss and lipid layer pattern. Full article
(This article belongs to the Special Issue Molecular Advances in Dry Eye Syndrome)
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