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| Home > Publications Database > The MDM4/MDM2-p53-IGF1 axis controls axonal regeneration, sprouting and functional recovery after CNS injury. > print |
| 001 | 138036 | ||
| 005 | 20240321220347.0 | ||
| 024 | 7 | _ | |a 10.1093/brain/awv125 |2 doi |
| 024 | 7 | _ | |a pmid:25981963 |2 pmid |
| 024 | 7 | _ | |a 0006-8950 |2 ISSN |
| 024 | 7 | _ | |a 1460-2156 |2 ISSN |
| 024 | 7 | _ | |a altmetric:4003221 |2 altmetric |
| 037 | _ | _ | |a DZNE-2020-04358 |
| 041 | _ | _ | |a English |
| 082 | _ | _ | |a 610 |
| 100 | 1 | _ | |a Joshi, Yashashree |0 P:(DE-2719)2630369 |b 0 |e First author |u dzne |
| 245 | _ | _ | |a The MDM4/MDM2-p53-IGF1 axis controls axonal regeneration, sprouting and functional recovery after CNS injury. |
| 260 | _ | _ | |a Oxford |c 2015 |b Oxford Univ. Press |
| 264 | _ | 1 | |3 online |2 Crossref |b Oxford University Press (OUP) |c 2015-05-16 |
| 264 | _ | 1 | |3 print |2 Crossref |b Oxford University Press (OUP) |c 2015-07-01 |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1589205359_2941 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Regeneration of injured central nervous system axons is highly restricted, causing neurological impairment. To date, although the lack of intrinsic regenerative potential is well described, a key regulatory molecular mechanism for the enhancement of both axonal regrowth and functional recovery after central nervous system injury remains elusive. While ubiquitin ligases coordinate neuronal morphogenesis and connectivity during development as well as after axonal injury, their role specifically in axonal regeneration is unknown. Following a bioinformatics network analysis combining ubiquitin ligases with previously defined axonal regenerative proteins, we found a triad composed of the ubiquitin ligases MDM4, MDM2 and the transcription factor p53 (encoded by TP53) as a putative central signalling complex restricting the regeneration program. Indeed, conditional deletion of MDM4 or pharmacological inhibition of MDM2/p53 interaction in the eye and spinal cord promote axonal regeneration and sprouting of the optic nerve after crush and of supraspinal tracts after spinal cord injury. The double conditional deletion of MDM4-p53 as well as MDM2 inhibition in p53-deficient mice blocks this regenerative phenotype, showing its dependence upon p53. Genome-wide gene expression analysis from ex vivo fluorescence-activated cell sorting in MDM4-deficient retinal ganglion cells identifies the downstream target IGF1R, whose activity and expression was found to be required for the regeneration elicited by MDM4 deletion. Importantly, we demonstrate that pharmacological enhancement of the MDM2/p53-IGF1R axis enhances axonal sprouting as well as functional recovery after spinal cord injury. Thus, our results show MDM4-MDM2/p53-IGF1R as an original regulatory mechanism for CNS regeneration and offer novel targets to enhance neurological recovery.media-1vid110.1093/brain/awv125_video_abstractawv125_video_abstract. |
| 536 | _ | _ | |a 344 - Clinical and Health Care Research (POF3-344) |0 G:(DE-HGF)POF3-344 |c POF3-344 |f POF III |x 0 |
| 588 | _ | _ | |a Dataset connected to CrossRef, PubMed, |
| 650 | _ | 7 | |a Mdm4 protein, mouse |2 NLM Chemicals |
| 650 | _ | 7 | |a Proto-Oncogene Proteins |2 NLM Chemicals |
| 650 | _ | 7 | |a Tumor Suppressor Protein p53 |2 NLM Chemicals |
| 650 | _ | 7 | |a insulin-like growth factor-1, mouse |2 NLM Chemicals |
| 650 | _ | 7 | |a Insulin-Like Growth Factor I |0 67763-96-6 |2 NLM Chemicals |
| 650 | _ | 7 | |a Mdm2 protein, mouse |0 EC 2.3.2.27 |2 NLM Chemicals |
| 650 | _ | 7 | |a Proto-Oncogene Proteins c-mdm2 |0 EC 2.3.2.27 |2 NLM Chemicals |
| 650 | _ | 7 | |a Ubiquitin-Protein Ligases |0 EC 2.3.2.27 |2 NLM Chemicals |
| 650 | _ | 2 | |a Animals |2 MeSH |
| 650 | _ | 2 | |a Axons: metabolism |2 MeSH |
| 650 | _ | 2 | |a Axons: pathology |2 MeSH |
| 650 | _ | 2 | |a Computational Biology |2 MeSH |
| 650 | _ | 2 | |a Disease Models, Animal |2 MeSH |
| 650 | _ | 2 | |a Flow Cytometry |2 MeSH |
| 650 | _ | 2 | |a Immunoblotting |2 MeSH |
| 650 | _ | 2 | |a Immunohistochemistry |2 MeSH |
| 650 | _ | 2 | |a Immunoprecipitation |2 MeSH |
| 650 | _ | 2 | |a Insulin-Like Growth Factor I: metabolism |2 MeSH |
| 650 | _ | 2 | |a Mice |2 MeSH |
| 650 | _ | 2 | |a Mice, Inbred C57BL |2 MeSH |
| 650 | _ | 2 | |a Mice, Mutant Strains |2 MeSH |
| 650 | _ | 2 | |a Nerve Crush |2 MeSH |
| 650 | _ | 2 | |a Nerve Regeneration: physiology |2 MeSH |
| 650 | _ | 2 | |a Optic Nerve Injuries: metabolism |2 MeSH |
| 650 | _ | 2 | |a Optic Nerve Injuries: pathology |2 MeSH |
| 650 | _ | 2 | |a Optic Nerve Injuries: physiopathology |2 MeSH |
| 650 | _ | 2 | |a Proto-Oncogene Proteins: metabolism |2 MeSH |
| 650 | _ | 2 | |a Proto-Oncogene Proteins c-mdm2: metabolism |2 MeSH |
| 650 | _ | 2 | |a Recovery of Function: physiology |2 MeSH |
| 650 | _ | 2 | |a Reverse Transcriptase Polymerase Chain Reaction |2 MeSH |
| 650 | _ | 2 | |a Signal Transduction: physiology |2 MeSH |
| 650 | _ | 2 | |a Spinal Cord Injuries: metabolism |2 MeSH |
| 650 | _ | 2 | |a Spinal Cord Injuries: pathology |2 MeSH |
| 650 | _ | 2 | |a Spinal Cord Injuries: physiopathology |2 MeSH |
| 650 | _ | 2 | |a Transcriptome |2 MeSH |
| 650 | _ | 2 | |a Tumor Suppressor Protein p53: metabolism |2 MeSH |
| 650 | _ | 2 | |a Ubiquitin-Protein Ligases: metabolism |2 MeSH |
| 700 | 1 | _ | |a Sória, Marília Grando |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Quadrato, Giorgia |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Inak, Gizem |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Zhou, Luming |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Hervera, Arnau |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Rathore, Khizr I |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Elnaggar, Mohamed |0 P:(DE-HGF)0 |b 7 |
| 700 | 1 | _ | |a Cucchiarini, Magali |0 P:(DE-HGF)0 |b 8 |
| 700 | 1 | _ | |a Magali, Cucchiarini |0 P:(DE-HGF)0 |b 9 |
| 700 | 1 | _ | |a Marine, Jeanne Christophe |0 P:(DE-HGF)0 |b 10 |
| 700 | 1 | _ | |a Puttagunta, Radhika |0 P:(DE-HGF)0 |b 11 |
| 700 | 1 | _ | |a Di Giovanni, Simone |0 P:(DE-HGF)0 |b 12 |e Corresponding author |
| 773 | 1 | 8 | |a 10.1093/brain/awv125 |b : Oxford University Press (OUP), 2015-05-16 |n 7 |p 1843-1862 |3 journal-article |2 Crossref |t Brain |v 138 |y 2015 |x 0006-8950 |
| 773 | _ | _ | |a 10.1093/brain/awv125 |g Vol. 138, no. Pt 7, p. 1843 - 1862 |0 PERI:(DE-600)1474117-9 |n 7 |q 138:Pt 7<1843 - 1862 |p 1843-1862 |t Brain |v 138 |y 2015 |x 0006-8950 |
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| 910 | 1 | _ | |a Deutsches Zentrum für Neurodegenerative Erkrankungen |0 I:(DE-588)1065079516 |k DZNE |b 0 |6 P:(DE-2719)2630369 |
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| 914 | 1 | _ | |y 2015 |
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