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024 7 _ |a 10.1038/s41467-025-59612-6
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037 _ _ |a DKFZ-2025-01142
041 _ _ |a English
082 _ _ |a 500
100 1 _ |a Talbot, Julie
|b 0
245 _ _ |a Sonic hedgehog medulloblastomas are dependent on Netrin-1 for survival.
260 _ _ |a [London]
|c 2025
|b Springer Nature
336 7 _ |a article
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336 7 _ |a ARTICLE
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336 7 _ |a Journal Article
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520 _ _ |a Netrin-1 signaling is an essential prototypical neuronal guidance mechanism during embryonic development that also regulates tumor cell survival in a variety of adult cancer entities. In line with these data, a monoclonal netrin-1 blocking antibody (anti-netrin-1 mAb/NP137) has been preclinically developed and netrin-1 blockade has recently been investigated in phase 1 and 2 clinical trials in several adult cancers. Here, we investigate the role of netrin-1 in the most common malignant pediatric brain cancer, Medulloblastoma. Interestingly, we find that netrin-1 is upregulated in medulloblastoma subgroups associated with developmental dysregulation, in particular in medulloblastoma with Sonic Hedgehog (SHH) activation. First, we demonstrate that genetic deletion of netrin-1 or systemic treatment with the clinical-stage anti-netrin-1 blocking antibody significantly reduces tumor growth in vivo in various orthotopic models of SHH medulloblastomas. Second, in vitro and in vivo, we unexpectedly uncover that SHH medulloblastomas treated with an SHH-inhibitor targeting Smoothened (SMO) increase netrin-1 expression, paving the way for combinatorial therapy. In line with that, we next show that netrin-1 blockade potentiates the efficacy of SMO inhibitor therapy in vivo. Together, our data indicate that, netrin-1 blockade, used as monotherapy or in combination with SMO inhibitors, is a promising therapeutic strategy in SHH medulloblastomas.
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650 _ 7 |a Netrin-1
|0 158651-98-0
|2 NLM Chemicals
650 _ 7 |a Hedgehog Proteins
|2 NLM Chemicals
650 _ 7 |a NTN1 protein, human
|2 NLM Chemicals
650 _ 7 |a Smoothened Receptor
|2 NLM Chemicals
650 _ 7 |a Ntn1 protein, mouse
|2 NLM Chemicals
650 _ 7 |a Tumor Suppressor Proteins
|2 NLM Chemicals
650 _ 7 |a SHH protein, human
|2 NLM Chemicals
650 _ 2 |a Netrin-1: metabolism
|2 MeSH
650 _ 2 |a Netrin-1: genetics
|2 MeSH
650 _ 2 |a Netrin-1: antagonists & inhibitors
|2 MeSH
650 _ 2 |a Medulloblastoma: metabolism
|2 MeSH
650 _ 2 |a Medulloblastoma: genetics
|2 MeSH
650 _ 2 |a Medulloblastoma: pathology
|2 MeSH
650 _ 2 |a Medulloblastoma: drug therapy
|2 MeSH
650 _ 2 |a Hedgehog Proteins: metabolism
|2 MeSH
650 _ 2 |a Hedgehog Proteins: genetics
|2 MeSH
650 _ 2 |a Animals
|2 MeSH
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Mice
|2 MeSH
650 _ 2 |a Cell Line, Tumor
|2 MeSH
650 _ 2 |a Smoothened Receptor: antagonists & inhibitors
|2 MeSH
650 _ 2 |a Smoothened Receptor: metabolism
|2 MeSH
650 _ 2 |a Cerebellar Neoplasms: metabolism
|2 MeSH
650 _ 2 |a Cerebellar Neoplasms: genetics
|2 MeSH
650 _ 2 |a Cerebellar Neoplasms: pathology
|2 MeSH
650 _ 2 |a Cerebellar Neoplasms: drug therapy
|2 MeSH
650 _ 2 |a Signal Transduction
|2 MeSH
650 _ 2 |a Cell Survival: drug effects
|2 MeSH
650 _ 2 |a Tumor Suppressor Proteins: metabolism
|2 MeSH
650 _ 2 |a Tumor Suppressor Proteins: genetics
|2 MeSH
650 _ 2 |a Gene Expression Regulation, Neoplastic
|2 MeSH
650 _ 2 |a Female
|2 MeSH
700 1 _ |a Fombonne, Joanna
|b 1
700 1 _ |a Torrejon, Jacob
|b 2
700 1 _ |a Babcock, Benjamin R
|0 0000-0002-2902-8045
|b 3
700 1 _ |a McSwain, Leon F
|b 4
700 1 _ |a Rama, Nicolas
|0 0000-0003-1614-7755
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700 1 _ |a Lospinoso Severini, Ludovica
|b 6
700 1 _ |a Bonerandi, Emma
|b 7
700 1 _ |a Marsaud, Veronique
|b 8
700 1 _ |a Bernardi, Flavia
|0 0000-0002-9740-2983
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700 1 _ |a Gharsalli, Tarek
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700 1 _ |a Ducarouge, Benjamin
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700 1 _ |a Neururer, Verena
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700 1 _ |a Wang, Wanchen
|0 0000-0002-4098-7482
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700 1 _ |a Kawauchi, Daisuke
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700 1 _ |a Wainwright, Brandon J
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700 1 _ |a Dufour, Christelle
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700 1 _ |a Beccaria, Kevin
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700 1 _ |a Blauwblomme, Thomas
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700 1 _ |a Martignetti, Loredana
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700 1 _ |a Di Marcotullio, Lucia
|0 0000-0003-0274-7178
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700 1 _ |a Puget, Stéphanie
|b 32
700 1 _ |a Doz, François
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700 1 _ |a Bourdeaut, Franck
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700 1 _ |a Masliah-Planchon, Julien
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700 1 _ |a Gershon, Timothy R
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700 1 _ |a Mehlen, Patrick
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700 1 _ |a Ayrault, Olivier
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773 _ _ |a 10.1038/s41467-025-59612-6
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