ArticleCell communication and signaling : CCS2024
Identification of myoferlin as a mitochondria-associated membranes component required for calcium signaling in PDAC cell lines.
Article in Cell communication and signaling : CCS, 2024. 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, 5 citations in OpenAlex.
- Myoferlin at the crossroad of vesicle trafficking and mitochondrial function: implications for pancreatic cancer progression and stromal reprogramming.Biochemical Society transactions · 2026Review
- Myoferlin contributes to invasiveness of human T-cell leukemia virus type 1-infected T cells.Journal of virology · 2026Article
- PACS-2 Mitigates NPSC Apoptosis and Intervertebral Disc Degeneration by Preserving MAM Integrity via the SP1/LRRK2/Mfn2 Axis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Focal adhesion assembly and cell migration require myoferlin in PDAC cell lines.Scientific reports · 2025Article
- Targeting myoferlin in ER/Golgi vesicle trafficking reprograms pancreatic cancer-associated fibroblasts.The EMBO journal · 2025Article
- Mitochondrial metabolism and cancer therapeutic innovation.Signal transduction and targeted therapy · 2025Review
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
backgroundPancreatic ductal adenocarcinoma is an aggressive cancer type with one of the lowest survival rates due to late diagnosis and the absence of effective treatments. A better understanding of PDAC biology will help researchers to discover the Achilles' heel of cancer cells. In that regard, our research team investigated the function of an emerging oncoprotein known as myoferlin. Myoferlin is overexpressed in PDAC and its silencing/targeting has been shown to affect cancer cell proliferation, migration, mitochondrial dynamics and metabolism. Nevertheless, our comprehension of myoferlin functions in cells remains limited. In this study, we aimed to understand the molecular mechanism linking myoferlin silencing to mitochondrial dynamics.
methodsExperiments were performed on two pancreas cancer cell lines, Panc-1 and MiaPaCa-2. Myoferlin localization on mitochondria was evaluated by immunofluorescence, proximity ligation assay, and cell fractionation. The presence of myoferlin in mitochondria-associated membranes was assessed by cell fractionation and its function in mitochondrial calcium transfer was evaluated using calcium flow experiments, proximity ligation assays, co-immunoprecipitation, and timelapse fluorescence microscopy in living cells.
resultsMyoferlin localization on mitochondria was investigated. Our results suggest that myoferlin is unlikely to be located on mitochondria. Instead, we identified myoferlin as a new component of mitochondria-associated membranes. Its silencing significantly reduces the mitochondrial calcium level upon stimulation, probably through myoferlin interaction with the inositol 1,4,5-triphosphate receptors 3.
conclusionsFor the first time, myoferlin was specifically demonstrated to be located in mitochondria-associated membranes where it participates to calcium flow. We hypothesized that this function explains our previous results on mitochondrial dynamics. This study improves our comprehension of myoferlin localization and function in cancer biology.
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