questionsmedicales.fr
Technologie, industrie et agriculture
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Matériaux biomimétiques
Membrane artificielle
Double couche lipidique
Double couche lipidique : Questions médicales fréquentes
Termes MeSH sélectionnés :
Radiotherapy Planning, Computer-Assisted
Diagnostic
5
Membrane cellulaire
Microscopie électronique
Fluidité membranaire
Marqueurs fluorescents
Perméabilité membranaire
Protéines
Chromatographie
Lipidomique
Lipidomique
Oxydation lipidique
Symptômes
5
Dysfonction membranaire
Inflammation
Fluidité membranaire
Transport cellulaire
Athérosclérose
Maladies métaboliques
Immunité
Signalisation cellulaire
Prévention
5
Alimentation
Acides gras essentiels
Traitements
5
Antioxydants
Stress oxydatif
Thérapie génique
Maladies génétiques
Complications
5
Maladies cardiovasculaires
Maladies métaboliques
Cancer
Progression tumorale
Sclérose en plaques
Troubles neurologiques
Infections
Agents pathogènes
Défaillance membranaire
Inflammation
Facteurs de risque
5
Facteurs génétiques
Mutations
Alimentation
Graisses saturées
Vieillissement
Rigidité membranaire
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"name": "Comment les lipides sont-ils analysés dans les membranes ?",
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"name": "Quels effets sur la santé sont liés aux membranes ?",
"position": 8,
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"@type": "Question",
"name": "Quels signes cliniques sont associés aux membranes ?",
"position": 9,
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{
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"name": "Comment les membranes influencent-elles l'immunité ?",
"position": 10,
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{
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"name": "Comment prévenir les maladies liées aux membranes ?",
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"name": "Quels modes de vie favorisent la santé membranaire ?",
"position": 12,
"acceptedAnswer": {
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}
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{
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"name": "Comment éviter l'oxydation des membranes ?",
"position": 13,
"acceptedAnswer": {
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"text": "Consommer des aliments riches en antioxydants aide à protéger les membranes."
}
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{
"@type": "Question",
"name": "Quels facteurs environnementaux affectent les membranes ?",
"position": 14,
"acceptedAnswer": {
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"text": "La pollution et les toxines peuvent endommager les membranes cellulaires."
}
},
{
"@type": "Question",
"name": "Comment le stress influence-t-il la santé membranaire ?",
"position": 15,
"acceptedAnswer": {
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"text": "Le stress chronique peut altérer la composition lipidique des membranes."
}
},
{
"@type": "Question",
"name": "Quels traitements ciblent les membranes cellulaires ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des médicaments comme les statines modifient la composition lipidique."
}
},
{
"@type": "Question",
"name": "Comment les lipides peuvent-ils être manipulés ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des techniques de nanomédecine utilisent des liposomes pour délivrer des médicaments."
}
},
{
"@type": "Question",
"name": "Quels suppléments peuvent améliorer la santé membranaire ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les acides gras oméga-3 sont bénéfiques pour la fluidité membranaire."
}
},
{
"@type": "Question",
"name": "Comment les antioxydants aident-ils les membranes ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils protègent les membranes contre l'oxydation et le stress oxydatif."
}
},
{
"@type": "Question",
"name": "Quels traitements sont utilisés pour les maladies membranaires ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des thérapies géniques peuvent corriger des défauts dans les membranes."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec des membranes altérées ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des maladies cardiovasculaires et métaboliques peuvent en résulter."
}
},
{
"@type": "Question",
"name": "Comment les membranes affectent-elles le cancer ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des modifications membranaires peuvent favoriser la progression tumorale."
}
},
{
"@type": "Question",
"name": "Quels troubles neurologiques sont liés aux membranes ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des maladies comme la sclérose en plaques sont associées à des anomalies membranaires."
}
},
{
"@type": "Question",
"name": "Comment les infections impactent-elles les membranes ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les agents pathogènes peuvent perturber l'intégrité des membranes cellulaires."
}
},
{
"@type": "Question",
"name": "Quelles sont les conséquences d'une défaillance membranaire ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une défaillance peut entraîner des troubles métaboliques graves et des inflammations."
}
},
{
"@type": "Question",
"name": "Quels facteurs génétiques influencent la santé membranaire ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des mutations dans les gènes liés aux lipides peuvent affecter la membrane."
}
},
{
"@type": "Question",
"name": "Comment l'alimentation impacte-t-elle les membranes ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation riche en graisses saturées peut altérer la fluidité membranaire."
}
},
{
"@type": "Question",
"name": "Quels comportements augmentent le risque de maladies membranaires ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le tabagisme et la sédentarité sont des comportements à risque."
}
},
{
"@type": "Question",
"name": "Comment l'âge affecte-t-il la santé des membranes ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le vieillissement peut entraîner une rigidité accrue des membranes cellulaires."
}
},
{
"@type": "Question",
"name": "Quels facteurs environnementaux sont des risques pour les membranes ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'exposition à des toxines et à des polluants peut endommager les membranes."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 15/02/2025
Contenu vérifié selon les dernières recommandations médicales
4 publications dans cette catégorie
Affiliations :
Department of Physics , Carnegie Mellon University , Pittsburgh , Pennsylvania 15213 , United States.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Theory and Bio-Systems, Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany. lipowsky@mpikg.mpg.de.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Physiology and Biophysics, University of Fukui Faculty of Medical Sciences.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Physiology and Biophysics, University of Fukui Faculty of Medical Sciences; oiki-fki@umin.ac.jp.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Theory and Bio-Systems, Max Planck Institute of Colloids and Interfaces, Science Park Golm, 14424, Potsdam, Germany.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Aarhus C, DK 8000, Denmark. dong@inano.au.dk.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine, Peoria, IL, United States. Electronic address: zakharel@uic.edu.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 31/5 Leninskiy Prospekt, 119071 Moscow, Russia.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Mechanical Engineering , University of Maryland , College Park , Maryland 20742 , United States.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Mechanical Engineering , University of Maryland , College Park , Maryland 20742 , United States.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Mechanical Engineering , University of Maryland , College Park , Maryland 20742 , United States.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Molecular Biology , National Cancer Institute, National Institutes of Health , Bethesda , Maryland 20892 , United States.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Mechanical Engineering , University of Maryland , College Park , Maryland 20742 , United States.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Lehigh University, Bethlehem, Pennsylvania 18015, United States.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
Institute for Biophysical Chemistry and Centre for Biomolecular Magnetic Resonance, Goethe Universität Frankfurt, 60438, Frankfurt am Main, Germany.
Publications dans "Double couche lipidique" :
2 publications dans cette catégorie
Affiliations :
School of Chemical Engineering, Sungkyunkwan University, Suwon, Republic of Korea. jjackman@skku.edu.
Publications dans "Double couche lipidique" :
Hippocampal avoidance whole brain radiotherapy (HA-WBRT) is effective for controlling disease and preserving neuro-cognitive function for brain metastases. However, contouring and planning of HA-WBRT ...
We retrospectively collected 50 adult patients who received HA-WBRT. Using RTOG- 0933 clinical trial protocol guidelines, all organs-at-risk (OARs) and the clinical target volume (CTV) were contoured ...
We developed a deep-learning segmentation model and an auto-planning script. For the 10 cases in the independent test set, the overall average DSC and 95 % HD of contours were greater than 0.8 and les...
An artificial intelligence (AI)-assisted pipeline using deep learning tools can rapidly and accurately generate clinically acceptable HA-WBRT plans with minimal manual intervention and increase effici...
Access to radiotherapy worldwide is limited. The Radiation Planning Assistant (RPA) is a fully automated, web-based tool that is being developed to offer fully automated radiotherapy treatment plannin...
Cardiac arrhythmia is a recognised potential complication of thoracic radiotherapy, but the responsible cardiac substructures for arrhythmogenesis have not been identified. Arrhythmogenic tissue is co...
The gross and radiological anatomy relevant to atrial fibrillation was derived from cardiology and radiology literature by a multidisciplinary team. A region of interest and contouring instructions fo...
The mean dose to the PVs was 35% prescription dose. Geometric and dosimetric similarity of the observer contours with reference contours was fair, with an overall mean Dice of 0.80 ± 0.02. The right s...
A PV atlas with multidisciplinary approval led to reproducible delineation for radiotherapy planning, supporting the utility of the atlas in future clinical radiotherapy cardiotoxicity research encomp...
Stereotactic ablative body radiotherapy (SABR) in the liver, RTOG-1112 guides the treatment modalities including the dose constraints for this technique but not the plan parameters. This study is not ...
Twenty-five patients treated in the period from February 2020 to September 2022 were recruited in this analysis. Two planners randomly selected the patients and modalities. The modalities employed wer...
The data reveals that the mean volume of PTV is 60.8 ± 53.9 cc where these targets exhibit no significant difference between each modality. The HI shows a consistent value for both modalities. Between...
The parameters and indexes should be utilized for the plan evaluation although in the guidelines this was not required. Various modalities were employed for treatment. Both can achieve the treatment c...
Online adaptive radiation therapy aims at adapting a patient's treatment plan to their current anatomy to account for inter-fraction variations before daily treatment delivery. As this process needs t...
Realizing the potential of user-developed automation software interacting with a treatment planning system (TPS) requires rigorous testing to ensure patient safety and data integrity. We developed an ...
The necessity to perform...
Between March 2018 and July 2019, 22 patients with a squamous cell head and neck carcinoma treated by EBRT were included in the analysis. All these consecutive patients had a...
Mean GTVs and mean "GTVs40%" were significantly different (P<0.001) with an intraclass index of 0.734. Mean "GTV40%" and mean "visual GTVs" were also significantly different (P<0.001) with an intracla...
This study aimed to develop fully automated script-based radiotherapy treatment plans for cervical cancer patients, and evaluate them against clinically accepted plans, as validation before clinical i...
In this retrospective planning study, treatment plans for 25 locally advanced cervical cancer (LACC) patients with up to three dose levels were included. Fully automated plans were created using an in...
The quantitative evaluation showed that target coverage was acceptable for all the automatic and clinical plans. The automatic plans were significantly more conformal than the clinical plans; median o...
The automatic plans had acceptable target coverage, lower doses to almost all OARs, more conformal dose distributions, and were predominantly preferred by the clinicians. Based on these results, our i...
We developed and tested an automatic field-in-field (FIF) solution for whole-brain radiotherapy (WBRT) planning that creates a homogeneous dose distribution by minimizing hotspots, resulting in clinic...
A configurable auto-planning algorithm was developed to automatically generate FIF WBRT plans independent of the treatment planning system. Configurable parameters include the definition of hotspots, ...
The FIF algorithm reduced the mean (± SD) plan hotspot percentage dose from 35.0 Gy (116.6%) ± 0.6 Gy (2.0%) to 32.6 Gy (108.8%) ± 0.4 Gy (1.2%). Also, it decreased the mean (± SD) hotspot V107% [cm...
This algorithm successfully produced high-quality WBRT plans and can improve treatment planning efficiency when incorporated into an automatic planning workflow....
The FLASH effect designates normal tissue sparing at ultra-high dose rate (UHDR, >40 Gy/s) compared to conventional dose rate (∼0.1 Gy/s) irradiation while maintaining tumour control and has the poten...