Author

Catherine Fromental-Ramain

Centre National de la Recherche ScientifiqueORCID 0000-0002-3573-3154Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Cell Biology· 2

Signature Assays, Organisms & Methods

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Research Focus:cell signaling & trafficking· 2 Approach:experimental assay· 2 Organism:human· 2 Assay:proteomics· 2 Research Focus:chromatin & epigenetic regulation· 1 Approach:statistical model· 1

Frequent Co-Authors

Catherine TomasettoiD· 2 shared Céline KnorriD· 2 shared Corinne WendlingiD· 2 shared Fabien AlpyiD· 2 shared Guillaume DriniD· 2 shared Julie EichleriD· 2 shared Maxime BoutryiD· 2 shared Mehdi ZouiouichiD· 2 shared

Activity by Year

2026-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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2 shared papersCell Biology

Catherine TomasettoORCID

Mutual co-authors in cluster

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2 papers

Recent·Most cited

Selective MOSPD2-STARD3 interaction at ER contact sites governs late endosome/lysosome dynamics and cholesterol homeostasis

Céline Knorr, Mehdi Zouiouich, Julie Eichler, Maxime Boutry, Corinne Wendling, Sophie Huver, Arthur Martinet, Catherine Fromental-Ramain, Élodie Monsellier, Guillaume Drin, Catherine Tomasetto, Fabien Alpy

This study identifies MOSPD2-STARD3 as a functional unit regulating late endosome/lysosome dynamics and cholesterol homeostasis through selective interaction at ER contact sites.

bioRxiv · Mar 31, 2026 · PreprintCell Biology

STARD3 coordinates Endoplasmic Reticulum-late endosome/lysosome contacts and organelle positioning through a GSK3-regulated phosphorylation switch

Julie Eichler, Corinne Wendling, Sophie Huver, Mehdi Zouiouich, Victor Hanss, Anna Cardinal, Victoria Fimbel, Catherine Birck, Alastair G. McEwen, Céline Knorr, Catherine Fromental-Ramain, Maxime Boutry, Marie‐Pierre Chenard, Guillaume Drin, Catherine Tomasetto, Fabien Alpy

This study identifies GSK3 as the kinase responsible for phosphorylating STARD3, which regulates ER-LE/Lys contacts and endosome positioning through a phosphorylation switch.

The EMBO Journal · Feb 25, 2026Peer-reviewedCell Biology