ArticleCellular & molecular biology letters2021
mTOR controls endoplasmic reticulum-Golgi apparatus trafficking of VSVg in specific cell types.
Article in Cellular & molecular biology letters, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 10 citations in OpenAlex.
- PSP205, a Novel Phenyl Sulfonyl Piperidine, Induces Apoptotic Cell Death in Colon Cancer by Modulating Coat Protein Complex-Mediated Vesicle Trafficking.ACS pharmacology & translational science · 2025Article
- Small HSPs at the crossroad between protein aggregation, autophagy and unconventional secretion: clinical implications and potential therapeutic opportunities in the context of neurodegenerative diseases.Frontiers in cell and developmental biology · 2025Review
- C9orf72-Associated Dipeptide Repeat Expansions Perturb ER-Golgi Vesicular Trafficking, Inducing Golgi Fragmentation and ER Stress, in ALS/FTD.Molecular neurobiology · 2024Article
- Cytoplasmic vacuolization and ectopic formation of perineuronal nets are characteristic pathologies of cytomegalic neurons in tuberous sclerosis.Journal of neuropathology and experimental neurology · 2024Article
- Overexpression of mTOR in Leukocytes from ALS8 Patients.Current neuropharmacology · 2023Article
- Molecular pathways enhance drug response prediction using transfer learning from cell lines to tumors and patient-derived xenografts.Scientific reports · 2022Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundMammalian/mechanistic target of rapamycin (mTOR) complexes are essential for cell proliferation, growth, differentiation, and survival. mTORC1 hyperactivation occurs in the tuberous sclerosis complex (TSC). mTORC1 localizes to the surface of lysosomes, where Rheb activates it. However, mTOR was also found on the endoplasmic reticulum (ER) and Golgi apparatus (GA). Recent studies showed that the same inputs regulate ER-to-GA cargo transport and mTORC1 (e.g., the level of amino acids or energy status of the cell). Nonetheless, it remains unknown whether mTOR contributes to the regulation of cargo passage through the secretory pathway.
methodsThe retention using selective hooks (RUSH) approach was used to image movement of model cargo (VSVg) between the ER and GA in various cell lines in which mTOR complexes were inhibited. We also investigated VSVg trafficking in TSC patient fibroblasts.
resultsWe found that mTOR inhibition led to the overall enhancement of VSVg transport through the secretory pathway in PC12 cells and primary human fibroblasts. Also, in TSC1-deficient cells, VSVg transport was enhanced.
conclusionsAltogether, these data indicate the involvement of mTOR in the regulation of ER-to-GA cargo transport and suggest that impairments in exocytosis may be an additional cellular process that is disturbed in TSC.
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