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  1. Article ; Online: Neddylation orchestrates the complex transcriptional and posttranscriptional program that drives Schwann cell myelination.

    Ayuso-García, Paula / Sánchez-Rueda, Alejandro / Velasco-Avilés, Sergio / Tamayo-Caro, Miguel / Ferrer-Pinós, Aroa / Huarte-Sebastian, Cecilia / Alvarez, Vanesa / Riobello, Cristina / Jiménez-Vega, Selene / Buendia, Izaskun / Cañas-Martin, Jorge / Fernández-Susavila, Héctor / Aparicio-Rey, Adrián / Esquinas-Román, Eva M / Ponte, Carlos Rodríguez / Guhl, Romane / Laville, Nicolas / Pérez-Andrés, Encarni / Lavín, José L /
    González-Lopez, Monika / Cámara, Nuria Macías / Aransay, Ana M / Lozano, Juan José / Sutherland, James D / Barrio, Rosa / Martinez-Chantar, María Luz / Azkargorta, Mikel / Elortza, Félix / Soriano-Navarro, Mario / Matute, Carlos / Sánchez-Gómez, María Victoria / Bayón-Cordero, Laura / Pérez-Samartín, Alberto / Bravo, Susana B / Kurz, Thimo / Lama-Díaz, Tomas / Blanco, Miguel G / Haddad, Saif / Record, Christopher J / van Hasselt, Peter M / Reilly, Mary M / Varela-Rey, Marta / Woodhoo, Ashwin

    Science advances

    2024  Volume 10, Issue 15, Page(s) eadm7600

    Abstract: Myelination is essential for neuronal function and health. In peripheral nerves, >100 causative mutations have been identified that cause Charcot-Marie-Tooth disease, a disorder that can affect myelin sheaths. Among these, a number of mutations are ... ...

    Abstract Myelination is essential for neuronal function and health. In peripheral nerves, >100 causative mutations have been identified that cause Charcot-Marie-Tooth disease, a disorder that can affect myelin sheaths. Among these, a number of mutations are related to essential targets of the posttranslational modification neddylation, although how these lead to myelin defects is unclear. Here, we demonstrate that inhibiting neddylation leads to a notable absence of peripheral myelin and axonal loss both in developing and regenerating mouse nerves. Our data indicate that neddylation exerts a global influence on the complex transcriptional and posttranscriptional program by simultaneously regulating the expression and function of multiple essential myelination signals, including the master transcription factor EGR2 and the negative regulators c-Jun and Sox2, and inducing global secondary changes in downstream pathways, including the mTOR and YAP/TAZ signaling pathways. This places neddylation as a critical regulator of myelination and delineates the potential pathogenic mechanisms involved in CMT mutations related to neddylation.
    MeSH term(s) Animals ; Mice ; Schwann Cells ; Myelin Sheath/genetics ; Charcot-Marie-Tooth Disease/genetics ; Mutation ; Protein Processing, Post-Translational
    Language English
    Publishing date 2024-04-12
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2810933-8
    ISSN 2375-2548 ; 2375-2548
    ISSN (online) 2375-2548
    ISSN 2375-2548
    DOI 10.1126/sciadv.adm7600
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: HuR/ELAVL1 drives malignant peripheral nerve sheath tumor growth and metastasis.

    Palomo-Irigoyen, Marta / Pérez-Andrés, Encarni / Iruarrizaga-Lejarreta, Marta / Barreira-Manrique, Adrián / Tamayo-Caro, Miguel / Vila-Vecilla, Laura / Moreno-Cugnon, Leire / Beitia, Nagore / Medrano, Daniela / Fernández-Ramos, David / Lozano, Juan José / Okawa, Satoshi / Lavín, José L / Martín-Martín, Natalia / Sutherland, James D / de Juan, Virginia Guitiérez / Gonzalez-Lopez, Monika / Macías-Cámara, Nuria / Mosén-Ansorena, David /
    Laraba, Liyam / Hanemann, C Oliver / Ercolano, Emanuela / Parkinson, David B / Schultz, Christopher W / Araúzo-Bravo, Marcos J / Ascensión, Alex M / Gerovska, Daniela / Iribar, Haizea / Izeta, Ander / Pytel, Peter / Krastel, Philipp / Provenzani, Alessandro / Seneci, Pierfausto / Carrasco, Ruben D / Del Sol, Antonio / Martinez-Chantar, María Luz / Barrio, Rosa / Serra, Eduard / Lazaro, Conxi / Flanagan, Adrienne M / Gorospe, Myriam / Ratner, Nancy / Aransay, Ana M / Carracedo, Arkaitz / Varela-Rey, Marta / Woodhoo, Ashwin

    The Journal of clinical investigation

    2020  Volume 130, Issue 7, Page(s) 3848–3864

    Abstract: Cancer cells can develop a strong addiction to discrete molecular regulators, which control the aberrant gene expression programs that drive and maintain the cancer phenotype. Here, we report the identification of the RNA-binding protein HuR/ELAVL1 as a ... ...

    Abstract Cancer cells can develop a strong addiction to discrete molecular regulators, which control the aberrant gene expression programs that drive and maintain the cancer phenotype. Here, we report the identification of the RNA-binding protein HuR/ELAVL1 as a central oncogenic driver for malignant peripheral nerve sheath tumors (MPNSTs), which are highly aggressive sarcomas that originate from cells of the Schwann cell lineage. HuR was found to be highly elevated and bound to a multitude of cancer-associated transcripts in human MPNST samples. Accordingly, genetic and pharmacological inhibition of HuR had potent cytostatic and cytotoxic effects on tumor growth, and strongly suppressed metastatic capacity in vivo. Importantly, we linked the profound tumorigenic function of HuR to its ability to simultaneously regulate multiple essential oncogenic pathways in MPNST cells, including the Wnt/β-catenin, YAP/TAZ, RB/E2F, and BET pathways, which converge on key transcriptional networks. Given the exceptional dependency of MPNST cells on HuR for survival, proliferation, and dissemination, we propose that HuR represents a promising therapeutic target for MPNST treatment.
    MeSH term(s) Animals ; Carcinogenesis/genetics ; Carcinogenesis/metabolism ; Carcinogenesis/pathology ; Cell Line, Tumor ; Cell Proliferation ; ELAV-Like Protein 1/genetics ; ELAV-Like Protein 1/metabolism ; Humans ; Mice ; Neoplasm Metastasis ; Neoplasm Proteins/genetics ; Neoplasm Proteins/metabolism ; Nerve Sheath Neoplasms/genetics ; Nerve Sheath Neoplasms/metabolism ; Nerve Sheath Neoplasms/pathology ; Signal Transduction
    Chemical Substances ELAV-Like Protein 1 ; ELAVL1 protein, human ; Neoplasm Proteins
    Language English
    Publishing date 2020-04-21
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Intramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 3067-3
    ISSN 1558-8238 ; 0021-9738
    ISSN (online) 1558-8238
    ISSN 0021-9738
    DOI 10.1172/JCI130379
    Database MEDical Literature Analysis and Retrieval System OnLINE

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