ArticleProceedings of the National Academy of Sciences of the United States of America2023
TMED10 mediates the trafficking of insulin-like growth factor 2 along the secretory pathway for myoblast differentiation.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- The ER-Golgi intermediate compartment: a central hub integrating membrane trafficking and stress responses.EMBO reports · 2026Review
- An integrated proximity labeling and vesicle reconstitution assay identifies novel regulators of Sonic hedgehog secretion.Molecular biology of the cell · 2026Article
- Identification of TMED10 as A Regulator for Neuronal Exocytosis of Amyloid Beta 42.Neuroscience bulletin · 2026Article
- Uncovering cargo clients and accessory factors of AP-1 and AP-4 through vesicle proteomics.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Multi-Omics analysis and in vitro validation reveal diagnostic and therapeutic roles of novel hub genes in ovarian cancer.Hereditas · 2025Article
- Regulation and function of insulin and insulin-like growth factor receptor signalling.Nature reviews. Molecular cell biology · 2025Review
- Transcriptomic analysis of muscle and adipose tissues identifies myokines and adipokines contributing to lipid deposition in Taoyuan Black pigs.Animal nutrition (Zhongguo xu mu shou yi xue hui) · 2025Article
- Role ofInternational journal of molecular sciences · 2025Article
- Comprehensive Proteomic Profiling of Human Nav1.7-Interacting Proteins Reveals Conserved Regulatory Networks Involved in Nociceptive Signaling.Neuroscience insights · 2025Article
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Authors and funding
11 authors.
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Abstract
The insulin-like growth factor 2 (IGF2) plays critical roles in cell proliferation, migration, differentiation, and survival. Despite its importance, the molecular mechanisms mediating the trafficking of IGF2 along the secretory pathway remain unclear. Here, we utilized a Retention Using Selective Hook system to analyze molecular mechanisms that regulate the secretion of IGF2. We found that a type I transmembrane protein, TMED10, is essential for the secretion of IGF2 and for differentiation of mouse myoblast C2C12 cells. Further analyses indicate that the residues 112-140 in IGF2 are important for the secretion of IGF2 and these residues directly interact with the GOLD domain of TMED10. We then reconstituted the release of IGF2 into COPII vesicles. This assay suggests that TMED10 mediates the packaging of IGF2 into COPII vesicles to be efficiently delivered to the Golgi. Moreover, TMED10 also mediates ER export of TGN-localized cargo receptor, sortilin, which subsequently mediates TGN export of IGF2. These analyses indicate that TMED10 is critical for IGF2 secretion by directly regulating ER export and indirectly regulating TGN export of IGF2, providing insights into trafficking of IGF2 for myoblast differentiation.
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