questionsmedicales.fr
Phénomènes physiologiques de l'appareil locomoteur et du système nerveux
Phénomènes physiologiques du système nerveux
Transmission synaptique
Transmission synaptique : Questions médicales fréquentes
Termes MeSH sélectionnés :
Physical Functional Performance
Diagnostic
5
Dysfonctionnement synaptique
Électrophysiologie
IRM fonctionnelle
Électroencéphalogramme
Troubles de la mémoire
Convulsions
Microscopie à fluorescence
Transmission synaptique
Synaptophysine
Marqueurs biologiques
Symptômes
5
Troubles cognitifs
Spasmes musculaires
Dépression
Plasticité synaptique
Troubles de l'humeur
Neurotransmetteurs
Tremblements
Troubles de la coordination
Fatigue chronique
Transmission synaptique
Prévention
5
Mode de vie sain
Alimentation équilibrée
Stress chronique
Plasticité synaptique
Exercice physique
Santé neuronale
Sommeil
Régénération synaptique
Méditation
Plasticité synaptique
Traitements
5
Antidépresseurs
Nootropiques
Thérapie cognitive
Plasticité synaptique
Suppléments alimentaires
Oméga-3
Stimulation cérébrale
Connexions synaptiques
Thérapies comportementales
Plasticité synaptique
Complications
5
Troubles neurologiques
Crises
Maladies neurodégénératives
Alzheimer
Troubles de l'apprentissage
Transmission synaptique
Troubles psychotiques
Neurotransmetteurs
Schizophrénie
Dysfonctionnements synaptiques
Facteurs de risque
5
Tabagisme
Fonction synaptique
Maladies chroniques
Diabète
Inactivité physique
Santé cognitive
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"name": "Comment diagnostiquer un dysfonctionnement synaptique ?",
"position": 1,
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"text": "Des tests électrophysiologiques et des imageries cérébrales peuvent être utilisés."
}
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{
"@type": "Question",
"name": "Quels examens sont utilisés pour évaluer la transmission synaptique ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'IRM fonctionnelle et l'électroencéphalogramme (EEG) sont couramment utilisés."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent un problème de transmission synaptique ?",
"position": 3,
"acceptedAnswer": {
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"text": "Des troubles de la mémoire, des convulsions ou des changements de comportement peuvent survenir."
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"@type": "Question",
"name": "Peut-on mesurer la transmission synaptique directement ?",
"position": 4,
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"text": "Oui, des techniques comme la microscopie à fluorescence permettent d'observer la transmission."
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"name": "Quels marqueurs biologiques sont associés à la transmission synaptique ?",
"position": 5,
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"text": "Des protéines comme la synaptophysine peuvent servir de marqueurs pour la synapse."
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"@type": "Question",
"name": "Quels symptômes sont liés à une transmission synaptique altérée ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes incluent des troubles cognitifs, des spasmes musculaires et des douleurs."
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"@type": "Question",
"name": "Comment la dépression affecte-t-elle la transmission synaptique ?",
"position": 7,
"acceptedAnswer": {
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"text": "La dépression peut réduire la plasticité synaptique, affectant la communication neuronale."
}
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"@type": "Question",
"name": "Les troubles de l'humeur sont-ils liés à la transmission synaptique ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des déséquilibres dans les neurotransmetteurs peuvent provoquer des troubles de l'humeur."
}
},
{
"@type": "Question",
"name": "Quels signes neurologiques peuvent indiquer un problème synaptique ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des signes incluent des tremblements, des troubles de la coordination et des réflexes anormaux."
}
},
{
"@type": "Question",
"name": "La fatigue chronique est-elle liée à la transmission synaptique ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des anomalies dans la transmission synaptique peuvent contribuer à la fatigue chronique."
}
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{
"@type": "Question",
"name": "Comment prévenir les troubles de la transmission synaptique ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sain, incluant une alimentation équilibrée et de l'exercice, est essentiel."
}
},
{
"@type": "Question",
"name": "Le stress affecte-t-il la transmission synaptique ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress chronique peut altérer la transmission synaptique et la plasticité."
}
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{
"@type": "Question",
"name": "L'exercice physique influence-t-il la transmission synaptique ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exercice régulier favorise la santé neuronale et la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Les habitudes de sommeil affectent-elles la transmission synaptique ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un sommeil de qualité est crucial pour la régénération synaptique et cognitive."
}
},
{
"@type": "Question",
"name": "La méditation peut-elle améliorer la transmission synaptique ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la méditation peut augmenter la plasticité synaptique et réduire le stress."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour améliorer la transmission synaptique ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des médicaments comme les antidépresseurs et les nootropiques peuvent être utilisés."
}
},
{
"@type": "Question",
"name": "La thérapie cognitive peut-elle aider la transmission synaptique ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut améliorer la plasticité synaptique et la fonction cognitive."
}
},
{
"@type": "Question",
"name": "Les suppléments alimentaires influencent-ils la transmission synaptique ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certains suppléments comme les oméga-3 peuvent favoriser la santé synaptique."
}
},
{
"@type": "Question",
"name": "Comment la stimulation cérébrale affecte-t-elle la transmission synaptique ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "La stimulation cérébrale peut renforcer les connexions synaptiques et améliorer la fonction."
}
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"@type": "Question",
"name": "Les thérapies comportementales aident-elles la transmission synaptique ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent améliorer les interactions neuronales et la plasticité synaptique."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent résulter d'une transmission synaptique altérée ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des troubles neurologiques, des troubles de l'humeur et des crises."
}
},
{
"@type": "Question",
"name": "Les maladies neurodégénératives affectent-elles la transmission synaptique ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme Alzheimer altèrent gravement la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Comment les troubles de l'apprentissage sont-ils liés à la transmission synaptique ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anomalies dans la transmission synaptique peuvent entraîner des difficultés d'apprentissage."
}
},
{
"@type": "Question",
"name": "Les troubles psychotiques sont-ils liés à la transmission synaptique ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des déséquilibres dans les neurotransmetteurs peuvent contribuer aux troubles psychotiques."
}
},
{
"@type": "Question",
"name": "La schizophrénie affecte-t-elle la transmission synaptique ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la schizophrénie est associée à des dysfonctionnements dans la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque influencent la transmission synaptique ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des facteurs comme l'âge, le stress et la génétique peuvent influencer la transmission."
}
},
{
"@type": "Question",
"name": "L'alimentation joue-t-elle un rôle dans la transmission synaptique ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation riche en nutriments favorise une transmission synaptique saine."
}
},
{
"@type": "Question",
"name": "Le tabagisme affecte-t-il la transmission synaptique ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme peut altérer la fonction synaptique et augmenter le risque de troubles."
}
},
{
"@type": "Question",
"name": "Les maladies chroniques influencent-elles la transmission synaptique ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme le diabète peuvent affecter la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Le manque d'activité physique est-il un facteur de risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'inactivité physique peut nuire à la santé synaptique et cognitive."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 23/02/2025
Contenu vérifié selon les dernières recommandations médicales
2 publications dans cette catégorie
Affiliations :
Neuroscience Research Center, Charité-Universitätsmedizin Berlin, Berlin, Germany. dietmar.schmitz@charite.de.
Berlin Institute of Health, 10178, Berlin, Germany. dietmar.schmitz@charite.de.
German Center for Neurodegenerative Diseases (DZNE), 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Cluster of Excellence NeuroCure, 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Einstein Center for Neurosciences Berlin, 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Publications dans "Transmission synaptique" :
2 publications dans cette catégorie
Affiliations :
Department of Basic Neurosciences, Medical Faculty, University of Geneva, CH-1211 Geneva, Switzerland. christian.luscher@unige.ch.
Clinic of Neurology, Department of Clinical Neurosciences, Geneva University Hospital, CH-1211 Geneva, Switzerland.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Laboratoire de Physique de l'Ecole Normale Supérieure, ENS, Université PSL, CNRS, Sorbonne Université, Université Paris Cité, Paris, France.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, University of California, San Diego, La Jolla, United States.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, University of California, San Diego, La Jolla, United States.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Mathematics and Statistics, Université Laval, Québec City, QC, Canada.
Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, Université Laval, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Mathematics and Statistics, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Pharmacology, School of Medicine, Vanderbilt University, Nashville, TN, 37240-7933, USA. Electronic address: natali.chanaday@vanderbilt.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Pharmacology, School of Medicine, Vanderbilt University, Nashville, TN, 37240-7933, USA; Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN, 37240-7933, USA. Electronic address: ege.kavalali@vanderbilt.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Neurobiology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, 111 TW Alexander Dr., P.O. Box 12233, Mail Drop F2-08, Research Triangle Park, NC, 27709, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Neurobiology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, 111 TW Alexander Dr., P.O. Box 12233, Mail Drop F2-08, Research Triangle Park, NC, 27709, USA. yakel@niehs.nih.gov.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, USA. Electronic address: ryan.hibbs@utsouthwestern.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Laboratorio de Neurofisiología del desarrollo y la neurodegeneración, Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores, Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, México. Electronic address: aehe67@gmail.com.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
School of Advanced Science and Engineering, Department of Electrical Engineering and Biosciences, Waseda University, Tokyo, Japan.
Department of Neurophysiology, Keio University School of Medicine, Tokyo, Japan.
Japan Science and Technology Agency, PRESTO, Kawaguchi, Saitama, Japan.
Laboratory for Developmental Neurobiology, RIKEN Center for Brain Science, Wako, Japan.
Publications dans "Transmission synaptique" :
Multiple sclerosis (MS) typically has its onset in early and middle adulthood, but the population is steadily becoming more dominated by older adults. One of the primary consequences of both MS and ag...
The study involved secondary analysis of cross-sectional data from multiple studies. Ambulatory adults with MS who were relapse-free for the last 30 days were recruited, and controls were recruited ba...
The two-way ANOVA indicated a main effect of MS status (F(5,500)=34.74, p<.01, η...
Overall, MS status and aging have additive effects on physical function, and the summary SPPB score may be driven by a specific component within each age group. SPPB scores may be driven more by mobil...
To investigate whether a multi-item performance outcome measure, the physical performance test (PPT), can be calibrated to a common scale with patient-reported outcome measures, using the Patient-Repo...
We analyzed baseline data (N = 1,113) from the CONVINCE study, an international trial in end-stage kidney disease patients comparing high-dose hemodiafiltration with high-flux hemodialysis. Assumption...
Although some evidence for multidimensionality was found, classical test statistics (Cronbach's Alpha = 0.93), Mokken (Loevinger's H = 0.50), and bifactor analysis (explained common variance = 0.65) i...
We found preliminary evidence that the PPT can be linked to the PROMIS PF metric in hemodialysis patients, enabling group comparisons across patient-reported outcome and performance outcome measures. ...
Children with Juvenile Idiopathic Arthritis (JIA) may adopt different movement patterns and participate in physical activity during different states of disease....
Which specific features of gait and physical function performance differ among children with active or inactive JIA compared to healthy children?...
Forty-three children participated (14.5 ± 4.2 yrs; 60 % female). 3D-motion analysis methods were coupled with force measures from an instrumented treadmill captured gait mechanical measures. The 30-se...
Compared to healthy controls children with active and inactive JIA had worse outcomes (12-21 % slower self-selected and fast walking speeds, 28-34 % slower stair navigation times, 28 % fewer chair ris...
Gait speed, specific load-bearing functional tasks and leg stiffness features of gait may be informative 'functional biomarkers' for assessing JIA burden and tracking treatment efficacy. Additional pr...
The aim of this study was twofold: (i) to observe the individual results of fitness status [countermovement jump (CMJ)], hop test, linear sprinting time, stride frequency, stride distance, force-power...
The study followed a cohort design. Sixteen female soccer players competing in the second division of the Spanish league were monitored during the first days of the pre-season. These players were eval...
To examine the selective influences of changes in walking test capability on physical functional performance (COD speed, COD deficit, linear sprint speed, chair stand test, handgrip strength, and unlo...
The performances of eighty women ((age, 64.7 ± 3.38 y; body mass, 66.3 ± 11.15 kg; height, 153.5 ± 5.71 cm, BMI, 28.08 ± 4.00 kg/m...
Strength and conditioning coaches and professionals involved with older women should consider the COD deficit (i.e., linear velocity minus change of direction velocity), as a complementary measure to ...
History of chronic kidney disease and kidney transplantation is known to influence physical performance capacity. The aim of this study was to compare the physical performance of pediatric kidney tran...
Twenty-four pediatric kidney transplant recipients (62.5% boys) were tested at a median age of 10.8 years. Physical performance capacity was tested with a test set including six different components a...
The physical performance capacity in pediatric kidney transplant recipients was lower compared to healthy controls. Surprisingly, no statistically significant correlation was found between graft funct...
The physical performance of pediatric kidney transplant recipients is reduced, especially in those with congenital nephrotic syndrome. Clinical parameters, including graft function, did not predict ph...
The Short Physical Performance Battery (SPPB) is a commonly used tool to assess lower extremity function, composed of three assessments (standing balance, gait speed, and chair stand). While its valid...
In individuals with transtibial amputation, the distal part of the lower extremity is lost. Therefore, the knee joint is of greater importance to be able to provide physical performance. The aim of th...
The study included 21 subjects with transtibial amputation. A digital inclinometer was used to evaluate the joint position sense of the amputated side knee joint. The timed up and go test, the 4-squar...
The mean age of the participants was 52.52 ± 15.68 years. The mean of the error in knee joint position sense was 5.33 degree (standard deviation = 3.08 degree). The error in knee joint position sense ...
The knee joint position sense on the amputated side was found to be associated with physical functional performance in individuals with transtibial amputation. Residual limb knee joint position sense ...
In recent years, there has been a significant increase in the survival rates of cancer patients. However, this has also led to an increase in side effects, such as dyspnoea, which can negatively impac...
Experimental, prospective, longitudinal, randomised study with a parallel fixed-assignment scheme (CG-IG). The patients were selected from the Medical Oncology Service of the University Hospital Compl...
The study sample consisted of 182 patients, with 12 excluded, resulting in a final sample size of n = 170. Sex distribution (CG: 52.9% male and 47.1% female; IG: 49.4% male and 50.6% female). The prim...
The results of this study support the beneficial effects of an exercise re-education programme, carried out by an interdisciplinary team in improving the autonomy of oncology patients with dyspnoea....
The clinical trial was registered in ClinicalTrials.gov (NCT04186754). (03 September 2019)....
The safety and efficacy of long-term exercise training in reducing physical functional loss in older adults with advanced CKD and comorbidity is uncertain....
Multicenter, parallel group, randomized controlled trial....
Adults 55 years and older with estimated glomerular filtration rate (eGFR) of 15 to <45 mL/min/1.73 m...
Twelve months of in-center supervised exercise training incorporating majority aerobic but also muscle strengthening activities or a group health education control intervention, randomly assigned in 1...
Primary outcomes were cardiorespiratory fitness and submaximal gait at 6 and 12 months quantified by peak oxygen consumption (Vo...
Among 99 participants, the mean age was 68 years, 62% were African American, and the mean eGFR was 33 mL/min/1.73 m...
Planned sample size was not reached. Loss to follow-up and dropout were greater than anticipated....
Among adults aged ≥55 years with CKD stages 3b-4 and a high level of medical comorbidity, a 12-month program of in-center aerobic and resistance exercise training was safe and associated with improvem...
Government grants (National Institutes of Health)....
Registered at ClinicalTrials.gov with study number NCT01462097....