ArticleInvestigative ophthalmology & visual science2016
Characterization of Rat Meibomian Gland Ion and Fluid Transport.
Article in Investigative ophthalmology & visual science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 18 citations in OpenAlex.
- Establishment of Mouse Meibomian Gland Organoids for In Vitro Modeling of Meibomian Gland Dysfunction.Investigative ophthalmology & visual science · 2026Article
- Catalpol inhibits Hedgehog signaling pathway to suppress proliferation and promote lipid accumulation in rat meibomian gland epithelial cells.Cytotechnology · 2025Article
- Hedgehog Signaling Pathway Regulates the Proliferation and Differentiation of Rat Meibomian Gland Epithelial Cells.Investigative ophthalmology & visual science · 2021Article
- Three-Dimensional Human Cell Culture Models to Study the Pathophysiology of the Anterior Eye.Pharmaceutics · 2020Review
- Conditional reprogramming: next generation cell culture.Acta pharmaceutica Sinica. B · 2020Review
- Characterization of the effects of defined, multidimensional culture conditions on conditionally reprogrammed primary human prostate cells.Oncotarget · 2018Article
- Loss of β Epithelial Sodium Channel Function in Meibomian Glands Produces Pseudohypoaldosteronism 1-Like Ocular Disease in Mice.The American journal of pathology · 2018Article
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Authors and funding
11 authors at 3 institutions in 1 country.
Funding
Abstract
purposeWe establish novel primary rat meibomian gland (MG) cell culture systems and explore the ion transport activities of the rat MG.
methodsFreshly excised rat MG tissues were characterized as follows: (1) mRNA expression of selected epithelial ion channels/transporters were measured by RT-PCR, (2) localization of epithelial sodium channel (ENaC) mRNAs was performed by in situ hybridization, and (3) protein expression and localization of βENaC, the Na+/K+/Cl- cotransporter (NKCC), and the Na+/K+ ATPase were evaluated by immunofluorescence. Primary isolated rat MG cells were cocultured with 3T3 feeder cells and a Rho-associated kinase (ROCK) inhibitor (Y-27632) for expansion. Passaged rat MG cells were cultured as planar sheets under air-liquid interface (ALI) conditions for gene expression and electrophysiologic studies. Passaged rat MG cells also were cultured in matrigel matrices to form spheroids, which were examined ultrastructurally by transmission electron microscopy (TEM) and functionally using swelling assays.
resultsExpression of multiple ion channel/transporter genes was detected in rat MG tissues. β-ENaC mRNA and protein were localized more to MG peripheral acinar cells than central acinar cells or ductular epithelial cells. Electrophysiologic studies of rat MG cell planar cultures demonstrated functional sodium, chloride, and potassium channels, and cotransporters activities. Transmission electron microscopic analyses of rat MG spheroids revealed highly differentiated MG cells with abundant lysosomal lamellar bodies. Rat MG spheroids culture-based measurements demonstrated active volume regulation by ion channels.
conclusionsThis study demonstrates the presence and function of ion channels and volume transport by rat MG. Two novel primary MG cell culture models that may be useful for MG research were established.
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