ArticleExperimental dermatology2020
Barrier lipid composition and response to plasma lipids: A direct comparison of mouse dorsal back and ear skin.
Article in Experimental dermatology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Comparative 28-day mouse study of topically applied aryl hydrocarbon receptor ligands: microbiota-derived indoles, therapeutic tapinarof, pollutants 2,3,7,8-tetrachlorodibenzo-p-dioxin and diesel exhaust particles.Chemico-biological interactions · 2026Article
- Skin imaging mass spectrometry of controls versus atopic dermatitis patients with and withoutiScience · 2025Article
- The skin barrier: An extraordinary interface with an exceptional lipid organization.Progress in lipid research · 2023Review
- Article
- Gut-derived short-chain fatty acids modulate skin barrier integrity by promoting keratinocyte metabolism and differentiation.Mucosal immunology · 2022Article
- Barrier lipid composition and response to plasma lipids: A direct comparison of mouse dorsal back and ear skin.Experimental dermatology · 2020Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
The skin of the ear and the back are frequently selected sites in skin research using mouse models. However, distinct responses to treatment have been described between these two sites in several studies. Despite the crucial role of the stratum corneum (SC) in the skin barrier function of both dorsal back and ear skin, it remains unclear whether differences in lipid composition might underlie altered responses. Here, we compared the skin morphology and the barrier lipid composition of the ear with the back skin of wild-type mice. The ear contained more corneocyte layers in the SC and its barrier lipid composition was enriched with sphingosine ceramide subclasses, especially the short ones with a total chain length of 33-34 carbons. The free fatty acid (FFA) profile in the ear skin shifted towards shorter chains, significantly reducing the mean chain length to 23.3 vs 24.7 carbons in the back skin. In line, FFA species in the ear displayed a twofold increase in unsaturation index (P < .001). Gene expression in the ear skin revealed low expression of genes involved in lipid synthesis and uptake, indicating a reduced metabolic activity. Finally, the effects of hypercholesterolaemia on SC FFA composition was compared in ear and back skin of apolipoprotein E knockout (APOE
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