ArticleThe ocular surface2024
The effects of age and dysfunction on meibomian gland population dynamics.
Article in The ocular surface, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- A mouse model of meibomian gland hyperkeratinization-induced dry eye.Developmental biology · 2026Article
- Cross-species transcriptomics identify mineralocorticoid receptor pathway overactivation as a central driver of ocular rosacea.Nature communications · 2026Article
- Spotting a unicorn: spatial transcriptome analysis of the eyelid reveals gene regulatory networks enriched in Moll glands.Briefings in bioinformatics · 2026Article
- Relationship between morphological changes in meibomian glands, age, and ocular surface parameters.BMC ophthalmology · 2026Article
- β-Adrenergic Signaling Contributes to Circadian and Lipid Dysregulation in Meibomian Glands During Chronic Psychological Stress.Investigative ophthalmology & visual science · 2026Article
- Establishment of Mouse Meibomian Gland Organoids for In Vitro Modeling of Meibomian Gland Dysfunction.Investigative ophthalmology & visual science · 2026Article
- DHCR24 Deficiency Drives Age-Related Meibomian Gland Dysfunction by Regulating Lipid Metabolic Imbalance and Cytosolic mtDNA-Induced cGAS-STING Activation.International journal of biological sciences · 2026Article
- Age-related lncRNA alterations of SDHAP2_miR-17-5p/miR-20b-5p_RAB11FIP1 ceRNA network in donor-derived human limbal epithelial cells.Frontiers in cell and developmental biology · 2026Article
- Disruption of Krox20-Notch1 signaling blocks meibomian gland development and homeostasis leading to dry eye disease.Nature communications · 2025Article
- Spatial transcriptome analysis of the human eyelid depicts meibomian gland cell differentiation: A pilot study.Physiological reports · 2025Article
- Single-Cell RNA Sequencing Revealed Functional Conjunctival Keratinocytes Loss via TGF-β-Wnt/β-Catenin Signaling in Sjögren's Syndrome Related Dry Eye.Investigative ophthalmology & visual science · 2025Article
- Identification of Meibomian gland stem cell populations and mechanisms of aging.Nature communications · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
purposeWhile meibomian gland dysfunction (MGD) is widely recognized as a major cause of evaporative dry eye disease, little is known about normal gland differentiation and lipid synthesis or the mechanism underlying gland atrophy and abnormal lipid secretion. The purpose of this study was to use single-cell and spatial transcriptomics to probe changes in cell composition, differentiation, and gene expression associated with two murine models of MGD: age-related gland atrophy in wild-type mice and altered meibum quality in acyl-CoA wax alcohol acyltransferase 2 (Awat2) knockout (KO) mice.
methodsYoung (6 month) and old (22 month) wild type, C57Bl/6 mice and young (3 month) and old (13 month) Awat2 KO mice were used in these studies. For single-cell analysis, the tarsal plate was dissected from the upper and lower eyelids, and single cells isolated and submitted to the UCI Genomic Core, while for the spatial analysis frozen tissue sections were shipped to Resolve Biosciences on dry ice and sections probed in duplicate using a meibomian gland specific, 100 gene Molecular Chartography panel.
resultsAnalysis of gene expression patterns identified the stratified expression of lipogenic genes during meibocyte differentiation, which may control the progressive synthesis of meibum lipids; an age-related decrease in meibocytes; and increased immune cell infiltration. Additionally, we detected unique immune cell populations in the Awat2 KO mouse suggesting activation of psoriasis-like, inflammatory pathways perhaps caused by ductal dilation and hyperplasia.
conclusionTogether these findings support novel mechanism controlling gland function and dysfunction.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.