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Academic literature on the topic 'Dystrophie myotonique de type 1 (DM1)'
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Journal articles on the topic "Dystrophie myotonique de type 1 (DM1)"
Hoth Guechot, H., K. Benomar, S. Espiard, V. Tiffreau, J. M. Rigot, and M. C. Vantyghem. "Déterminants de l’hypogonadisme dans la dystrophie myotonique de type 1 (DM1)." Annales d'Endocrinologie 78, no. 4 (September 2017): 278. http://dx.doi.org/10.1016/j.ando.2017.07.180.
Full textde Pontual, Laure, Geneviève Gourdon, and Stéphanie Tomé. "Identification de nouveaux facteurs entraînant des contractions CTG.CAG dans la dystrophie myotonique de type 1." médecine/sciences 37 (November 2021): 6–10. http://dx.doi.org/10.1051/medsci/2021182.
Full textFedun, S., A. Flucher, F. C. Boyer, F. Lebargy, C. Barbe, S. Dury, P. Schmitt, et al. "Évaluations respiratoire et neuro-psychologique dans la dystrophie myotonique de type 1 (DM1)." Revue des Maladies Respiratoires 31 (January 2014): A76. http://dx.doi.org/10.1016/j.rmr.2013.10.266.
Full textFlabeau, Olivier, and Thomas Bisson. "Le suivi multidisciplinaire de patients adultes atteints de dystrophie myotonique de type 1 dans le Sud Aquitain." médecine/sciences 37 (November 2021): 32–35. http://dx.doi.org/10.1051/medsci/2021190.
Full textLavoie, Mélissa, Frances Gallagher, and Maud-Christine Chouinard. "Description du processus éducationnel mis en place par les infirmières auprès de personnes avec la dystrophie myotonique de type 1." Education Thérapeutique du Patient - Therapeutic Patient Education 12, no. 2 (2020): 20204. http://dx.doi.org/10.1051/tpe/2020010.
Full textMelone, M. A., A. Cuvelier, A. L. Bédat-Millet, L. Guyant-Maréchal, A. Goldenberg, S. Grotto, A. M. Guerrot, et al. "Insuffisance respiratoire chronique chez les patients atteints de dystrophie myotonique de type 1 (DM1) : incidence et facteurs de risque." Revue des Maladies Respiratoires 35 (January 2018): A45—A46. http://dx.doi.org/10.1016/j.rmr.2017.10.095.
Full textHuerta, E., A. Jacquette, D. Cohen, M. Gargiulo, L. Servais, B. Eymard, D. Héron, and N. Angeard. "Forme infantile de la dystrophie myotonique de type 1 (DM1) et troubles du spectre autistique (TSA) : existe-t-il une comorbidité ?" Neuropsychiatrie de l'Enfance et de l'Adolescence 63, no. 2 (March 2015): 91–98. http://dx.doi.org/10.1016/j.neurenf.2014.11.005.
Full textLessard, Lola, Laure Gallay, and Rémi Mounier. "Altérations métaboliques dans la dystrophie myotonique de type I." médecine/sciences 40 (November 2024): 40–44. http://dx.doi.org/10.1051/medsci/2024129.
Full textFlucher, A., S. Fedun, J. Nardi, and F. C. Boyer. "L’efficience cognitive des patients atteints de dystrophie myotonique de type 1." Annals of Physical and Rehabilitation Medicine 56 (October 2013): e336. http://dx.doi.org/10.1016/j.rehab.2013.07.1076.
Full textLambert, I., and A. Sevy. "Hypersomnolence secondaire à une dystrophie myotonique de type 1 sans myotonie clinique." Médecine du Sommeil 15, no. 2 (June 2018): 88–91. http://dx.doi.org/10.1016/j.msom.2018.03.001.
Full textDissertations / Theses on the topic "Dystrophie myotonique de type 1 (DM1)"
Lallemant, Louison. "Pathologie neuronale et gliale en lien avec les atteintes neurologiques de la dystrophie myotonique de type 1 (DM1)." Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS404.pdf.
Full textMyotonic dystrophy type 1 (DM1) is a severe neuromuscular disease affecting many tissues and organs. The debilitating neurological manifestations vary from executive dysfunction in adults, to attention deficits and low processing speed in pediatric patients, to severe intellectual disability in congenital cases. DM1 neurological manifestations have a profound impact on the daily life of patients and their families, and there is currently no treatment for this disease. DM1 is caused by the abnormal expansion of a CTG repeat in DMPK gene. Expanded DMPK transcripts are toxic because they accumulate in the cell nucleus, disrupting the activity of important RNA-binding proteins. As a consequence, DM1 cells show abnormal RNA metabolism and processing of many downstream transcripts. Despite progress in the understanding of the muscle pathophysiology, the disease mechanisms remain unclear in the CNS. We still do not know which cell types and molecular pathways are primarily affected in the brain and how they contribute to DM1 neurological symptoms. In order to investigate this problem, our laboratory has developed a transgenic mouse model of DM1: DMSXL mice express expanded human DMPK transcripts in multiple tissues, notably in the brain, and display relevant behavioral, electrophysiological and neurochemical phenotypes. Using this mouse model, the objective of my thesis was to better understand the cellular and molecular mechanisms involved in the neuronal and non-neuronal impairment linked to the neurological damages of DM1. I first focused on the characterization of the different cell types in the DMSXL brain. A multi-omics study was carried out on DMSXL neurons, astrocytes and oligodendrocytes. Our results, which show that glial cells are more impacted by CTG repeats, have allowed us to better understand the cellular and molecular mechanisms of DM1 in the CNS, but above all to emphasize the importance of studying not only the neurons, but also astrocytes and oligodendrocytes in the pathological context of DM1. I then got involved in the study of astrocyte pathology in DM1. We thus demonstrated that DMSXL astrocytes exhibited reduced ramification and impaired cell adhesion, and had a strong negative impact on neuritogenesis. In the same time, I also participated in the study of oligodendroglia impairment in DM1. We found that the toxic CUG RNA disrupts the molecular program of oligodendrocyte (OL) differentiation, impairing the transcriptome changes occurring during the oligodendrocyte precursor cells (OPC)-OL transition and leading to transient hypomyelination in mice. I also studied the neuronal pathology in DMSXL mice. Our results demonstrated that the accumulation of toxic RNA foci in neurons perturbs mainly protein phosphorylation, which seems to lead to neuronal morphological defects associated with vesicle dynamics impairment and axonal transport defects. The three main cell types of the brain therefore present significant damage in the context of DM1, which could have an impact on crucial processes of cerebral functioning. Indeed, we have demonstrated an alteration in neurotransmission and synaptic plasticity in DMSXL mice. All together my work has provided novel insight into the cell-specific mechanisms operating in DM1, demonstrating the implication of astrocyte, oligodendrocyte and neuron defects in a DM1mouse model, and contributing towards an integrative understanding of brain pathology
Minier, Lisa. "Evaluation de la personnalité, du coping et de la régulation émotionnelle de patients atteints de Dystrophie Myotonique de type 1 (DM1)." Thesis, Paris 10, 2019. http://faraway.parisnanterre.fr/login?URL=http://bdr.parisnanterre.fr/theses/intranet/2019/2019PA100112/2019PA100112.pdf.
Full textMyotonic Dystrophy type 1 (DM1) is a neuromuscular disease with multiple impairments leading to blunted affect, apathy, hypersomnia, fatigue, social cognition deficit and theory of mind deficit. In this research, personality traits, coping, and emotion regulation of 60 DM1 patients were assessed. All this information will help us design DM1 adapted psychological care.Regarding personality, our main result is that patients show similar N scores to the healthy control group despite our expectations (high scores in relation with the severity of the disease and its complications). In the light of our coping results, it seems that DM1 patients are using a large variety of coping strategies. However, apathy and reduced motivation constitute obstacles for coping strategies. Finally, apathy and fatigue do not influence emotion regulation in our sample DM1. Furthermore, Cognitive reevaluation strategy seems preserved from the disease’s consequences. This strategy might be an important advantage in the preservation of quality of life in DM1, despite the disease progression. A DM1 specific Cognitive Behavioral Therapy showed promising results. Other psychotherapeutic approaches could be explored, namely Acceptance and Commitment Therapy
Coldefy, Maurin Anne-Sophie. "Implication des voies de signalisation des MAPK, ERK1/2 et p38, dans la dystrophie myotonique de type 1 (DM1)." Nice, 2006. http://www.theses.fr/2006NICE4059.
Full textThe aim of this work was to characterize a putative role of ERK1/2 and p38 MAPK in the myotonic dystrophy 1, called DM1. DM1, the most frequent dystrophy in adults, is a multi-systemic disorder which mainly affects skeletal muscles (myotonia, progressive wasting and weakness, delay in muscular differentiation). DM1 is an autosomal dominant inherited disease. The genetic mutation is an expansion of CTG trinucleotide repeats tract in the DMPK 3’ untranslated region. DMPK encodes a serine/threonine kinase but its function is still unknown. ERK1/2 and p38 MAPK signalling pathways play central and essential roles in cells physiology and are implicated in various cellular processes including muscular differentiation. We show that ERK1/2 and p38 activation is significantly diminished in muscular biopsies from DM1 patients. This diminished activation is not correlated with a diminution of DMPK expression in DM1, as we observed in transgenic mice, Dmpk knock-out or DMPK over-expressing mice. However, in C2C12 cells expressing CUG repeats in 3’ UTR of GFP, ERK1/2 and p38 activation is altered. In DM1, the diminution of ERK1/2 and p38 activation could be due to the expression of CUG repeats tract rather than to the decrease of DMPK expression. Our results and our recently developed molecular tools will enable us to further understand the implication of ERK1/2 and p38 MAPK in DM1 as well as Dmpk function in muscular differentiation
Ney, Michel. "Rôle de l'inclusion de l'exon 7 de BIN1 dans la faiblesse musculaire des patients atteints de dystrophie myotonique." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAJ077/document.
Full textMyotonic dystrophy of type 1 (DM1), is an inherited genetic disease affecting around 1 in 8000 person. Patients suffering from DM1 develop essentially muscle disorders such as muscle weakness, muscle loss and atrophy. The cause of DM1 is explained by the mutation of a gene called “DMPK“.During my thesis, I discovered that the alternative splicing of BIN1 mRNA was altered in the muscle of DM1 patients. Indeed, the BIN1 exon 7, which is normally absent in healthy muscle, is aberrantly expressed in DM1 muscle. By using a mouse model, I found that the forced expression of BIN1 exon 7 was responsible of the alteration of both muscle structure and function. Notably, we found a decrease in muscle fibers area (atrophy) and an increase of muscle weakness, compared to wild-type mice. Therefore, this work will help in the understanding of the disease mechanism and could explain the causes of muscle weakness and atrophy, which have never been elucidated to this date
De, Dea Diniz Damily. "The study of the consequences of serca1’s missplicing on muscle function in myotonic dystrophy type 1." Electronic Thesis or Diss., Sorbonne université, 2018. http://www.theses.fr/2018SORUS569.
Full textMyotonic Dystrophy Type 1 (DM1) is a neuromuscular disease that affects mainly the skeletal muscle with the presence of myotonia and progressive atrophy and is caused by abnormal CTG expansion in the 3'UTR of the DMPK gene. The expression of the mutated RNA induces the loss of function of the MBNL1 splicing factor and leads to the re-expression of fetal isoforms of certain transcripts in the adult tissues of DM1 patients. In order to identify new mechanisms involved in muscle dysfunction, I developed a model of muscle cells conditionally expressing 960 interrupted CTG repeats. Following the targeted expression of RNA-960CUG in myotubes, transcriptome analysis shows that despite the presence of functions/biological processes typical of DM1, the induction of non-DM1 associated pathways and the absence of phenotype suggest that this model is not appropriate for this study of molecular mechanisms. I also did a study of the impact of the ATP2A1 (SERCA1) misplicing, present in DM1 patients, on the muscular function. I used an antisense approach to promote the exclusion of exon 22 from Atp2a1 in the muscle of two animal models, leading to the reexpression of the Serca1b fetal isoform. The re-expression of Serca1b in the muscle of adult wild-type mice leads to a slowing contraction and a loss of muscle mass. In zebrafish, this modification on Atp2a1 splicing causes an alteration on the locomotion. All of these results indicate that reexpression of Serca1b affects muscle function and may contribute to muscle symptoms in DM1
Vergnol, Amélie. "Les isoformes CaVβ1 : rôle dans la formation de la jonction neuromusculaire et implication dans la physiopathologie de la Dystrophie Myotonique de type 1." Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS305.
Full textFour CaVβ proteins (CaVβ1 to CaVβ4) are described as regulatory subunit of Voltage-gated Ca2+ channel (VGCC), each exhibiting specific expression pattern in excitable cells based on their function. While primarily recognized for their role in VGCC regulation, CaVβ proteins also function independently of channels, acting as regulators of gene expression. Among these, CaVβ1 is expressed in skeletal muscle as different isoforms. The adult constitutive isoform, CaVβ1D, is located at the sarcolemma and more specifically at the triad, where it plays a crucial role in regulating CaV1 to control Excitation-Contraction Coupling (ECC) mechanism, essential for muscle contraction.In this thesis, we further explored the less studied CaVβ1 isoforms, with a particular focus on embryonic/perinatal variants, including the previously described CaVβ1E. We investigated their roles in the neuromuscular and muscular systems. Indeed, CaVβ1 proteins have been showed as essential for NeuroMuscular Junction (NMJ) development, though the involvement of specific isoform remains unclear. Our investigation assessed the role of CaVβ1 isoforms at different stages of NMJ formation and maturation/maintenance. Additionally, given the deregulation of CaVβ1 in Myotonic Dystrophy Type 1 (DM1), we explored its functional role in this muscular pathological context.First, we identified CaVβ1A as another isoform expressed during embryogenesis and perinatal stages. Our findings revealed that CaVβ1 isoforms expressions are regulated by the differential activation of promoters during development: a promoter1 in exon 1 drives CaVβ1A/E expressions, while a promoter2 in exon 2B controls CaVβ1D expression. Interestingly, nerve damage in adult muscle triggers a shift toward the promoter1 activation and leading to the re-expression of CaVβ1A/E transcripts. Furthermore, we found that CaVβ1 embryonic/perinatal isoforms are critical for proper in vitro pre-patterning of myotubes and that their postnatal expressions influences NMJ maturation/maintenance. In the pathological context of DM1, we observed the increased expression of CaVβ1A/E, which appears to mitigate myotonia symptoms. In addition, we found that the modulation of their expression is linked with MBNL proteins, which are central in the pathophysiology of DM1. In conclusion, this thesis work has clarified knowledge of the various CaVβ1 isoforms in skeletal muscle and provides new insights into their role in two independent contexts of NMJ development and DM1 pathophysiology. Understanding CaVβ1 protein regulation in skeletal muscle is essential to decipher muscle homeostasis mechanisms and potentially identify new therapeutic targets to face muscular disorders
Bigot, Anne. "Mécanismes de sénescence et programme myogénique." Paris 6, 2007. http://www.theses.fr/2007PA066397.
Full textArandel, Ludovic. "Développement d'une thérapie génique pour la Dystrophie Myotonique de type 1." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS229.
Full textMyotonie dystrophy types 1(DM1) and 2 (DM2) are autosomal dominant multisystem diseases with a strong neuromuscular component. They are characterized by progressive myotonia, muscle weakness, cognitive impairment, and cardiac conduction defects. These diseases are caused by abnormal amplification of C(C)TG repeat sequences located in the 3'UTR region of the DMPK gene and in the intron of the CNBP gene, respectively. These expansion-containing sequences are transcribed and retained in the nucleus as riboprotein aggregates. The presence of these toxic C(C)UG RNAs induces sequestration of the MBNL family of RNA-binding proteins, leading to their loss of function and deregulation of alternative splicing events, many ofv/hich are associated with clinical symptoms in patients. There is currently no1reatment for DM. In this thesis, I have developed a gene therapy tool based on a modification of the MBNL1 protein. This C- terminal truncated MBNL derivative (MBNLΔ) acts as a decoy to release endogenous MBNL proteins sequestered by mutant RNAs. Our approach was validated in muscle cells from DM1 patients and in a mouse model of the disease after AAV virus injection. Treatment with MBNLΔ allows the delocalisation of endogenous MBNL proteins from the foci, modifies the foci dynamics, corrects the transcriptome and myotonia, which is maintained 1 year after injection
Gagnon, Éric. "La qualité de vie chez les personnes atteintes de dystrophie myotonique de type 1." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/28772/28772.pdf.
Full textMyotonic dystrophy type 1 (DM1) is a hereditary neuromuscular disorder characterised by multisystemics anomalies. DM1 is delimited by four clinical phenotypes (congenital, childhood, adulthood and mild). These different phenotypes have different levels of disability but little is known about their respective quality of life (QOL). RESULTS. Subjects with the mild phenotype present superior subjective QOL and health-related quality of life (HRQOL) than the subjects with the adult phenotype. Relations between subjective QOL and HRQOL is usually at a low level but with both studied phenotypes, physically related relations between the different subscales show moderated to elevated relations. CONCLUSION. The results show the difference between the adult and the mild phenotypes and the relevance to make complementary studies so as to identify the explanatory factors making for better clinical interventions.
Gagnon, Éric. "La qualité de vie chez les personnes atteintes de dystrophie myotonique de type 1." Master's thesis, Université Laval, 2011. http://hdl.handle.net/20.500.11794/23494.
Full textMyotonic dystrophy type 1 (DM1) is a hereditary neuromuscular disorder characterised by multisystemics anomalies. DM1 is delimited by four clinical phenotypes (congenital, childhood, adulthood and mild). These different phenotypes have different levels of disability but little is known about their respective quality of life (QOL). RESULTS. Subjects with the mild phenotype present superior subjective QOL and health-related quality of life (HRQOL) than the subjects with the adult phenotype. Relations between subjective QOL and HRQOL is usually at a low level but with both studied phenotypes, physically related relations between the different subscales show moderated to elevated relations. CONCLUSION. The results show the difference between the adult and the mild phenotypes and the relevance to make complementary studies so as to identify the explanatory factors making for better clinical interventions.