ArticleThe Journal of cell biology2024
DPM1 modulates desmosomal adhesion and epidermal differentiation through SERPINB5.
Article in The Journal of cell biology, 2024. 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, 10 citations in OpenAlex.
- METTL1-mediated m7G modification regulates hair follicle cycle via the HOXC13/FOXN1/DSG4 axis.PLoS genetics · 2026Article
- MCell death & disease · 2026Article
- SERPINB5/TGF-β signaling modulates desmoplakin membrane localization and ameliorates pemphigus vulgaris skin blistering.JCI insight · 2025Article
- The correlation of DPM1 overexpression with immune infiltration and poor prognosis in hepatocellular carcinoma.Discover oncology · 2025Article
- Maspin/SerpinB5 is a cytoskeleton-binding protein that regulates epithelial cell shape.Communications biology · 2025Article
- Construction of a lung adenocarcinoma prognostic model based on KEAP1/NRF2/HO‑1 mutation‑mediated upregulated genes and bioinformatic analysis.Oncology letters · 2025Article
- Meeting report - Alpine desmosome disease meeting 2024: advances and emerging topics in desmosomes and related diseases.Journal of cell science · 2025Article
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 2 countries.
Funding
Abstract
Glycosylation is essential to facilitate cell-cell adhesion and differentiation. We determined the role of the dolichol phosphate mannosyltransferase (DPM) complex, a central regulator for glycosylation, for desmosomal adhesive function and epidermal differentiation. Deletion of the key molecule of the DPM complex, DPM1, in human keratinocytes resulted in weakened cell-cell adhesion, impaired localization of the desmosomal components desmoplakin and desmoglein-2, and led to cytoskeletal organization defects in human keratinocytes. In a 3D organotypic human epidermis model, loss of DPM1 caused impaired differentiation with abnormally increased cornification, reduced thickness of non-corneal layers, and formation of intercellular gaps in the epidermis. Using proteomic approaches, SERPINB5 was identified as a DPM1-dependent interaction partner of desmoplakin. Mechanistically, SERPINB5 reduced desmoplakin phosphorylation at serine 176, which was required for strong intercellular adhesion. These results uncover a novel role of the DPM complex in connecting desmosomal adhesion with epidermal differentiation.
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Registered trials
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 OpenQuestion graph.