questionsmedicales.fr
Technologie, industrie et agriculture
Produits manufacturés
Matériaux biomimétiques
Membrane artificielle
Double couche lipidique
Double couche lipidique : Questions médicales fréquentes
Termes MeSH sélectionnés :
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": "Quels signes cliniques sont associés aux membranes ?",
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"name": "Comment les membranes influencent-elles l'immunité ?",
"position": 10,
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"name": "Quels modes de vie favorisent la santé membranaire ?",
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"name": "Quels facteurs environnementaux affectent les membranes ?",
"position": 14,
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"name": "Comment le stress influence-t-il la santé membranaire ?",
"position": 15,
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"position": 16,
"acceptedAnswer": {
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"text": "Des médicaments comme les statines modifient la composition lipidique."
}
},
{
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"name": "Comment les lipides peuvent-ils être manipulés ?",
"position": 17,
"acceptedAnswer": {
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}
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"name": "Quels suppléments peuvent améliorer la santé membranaire ?",
"position": 18,
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"text": "Les acides gras oméga-3 sont bénéfiques pour la fluidité membranaire."
}
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"name": "Comment les antioxydants aident-ils les membranes ?",
"position": 19,
"acceptedAnswer": {
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"text": "Ils protègent les membranes contre l'oxydation et le stress oxydatif."
}
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{
"@type": "Question",
"name": "Quels traitements sont utilisés pour les maladies membranaires ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
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}
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{
"@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."
}
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{
"@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 16/05/2025
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" :
Thymectomy has long been used in the treatment of patients with myasthenia gravis and antibodies against the acetylcholine receptor. However, its effectiveness has only been proven a few years ago in ...
Long-term follow-up studies after thymectomy confirmed that the benefits regarding clinical outcome parameters and a reduced need for immunosuppressive treatment persist. Nevertheless, a substantial p...
Thymectomy is an effective treatment option in adult patients with early onset acetylcholine-receptor positive myasthenia gravis but uncertainty remains with regard to certain patient subgroups....
The aim of this study was to evaluate the safety and effectiveness of robot-assisted thymectomy (RAT) in large anterior mediastinal tumors (AMTs) (size ≥6 cm) compared with video-assisted thymectomy (...
A total of 132 patients with large AMTs who underwent surgical resection from January 2016 to June 2022 were included in this study. A total of 61 patients underwent RAT, 36 patients underwent VAT and...
There were no significant differences in tumor size (p = 0.141), or pathological types (p = 0.903). Compared with the open group, the RAT and VAT groups were associated with a shorter operation time (...
RAT is safe and effective for the resection of large AMTs compared to VAT and open surgery. Vascular resection in RAT is technically feasible. A long-term follow-up is required....
Robotic-assisted thoracic surgery has emerged as a prominent technique for performing radical thymectomies in patients affected by early-stage thymic tumours. This technique is favoured because of its...
The subxiphoid single-port approach for thymectomy has advantages compared with conventional lateral transthoracic approaches. Most of centers use CO...
All consecutive 59 patients undergoing subxiphoid single-port thymectomy between August 2014 and August 2021 were reviewed retrospectively....
We analyzed data of 59 patients (31 male and 28 female) with a median age of 59 years (range 50-68). Two (3.4%) patients presented postoperative complications. The conversion to a different approach w...
Subxiphoid single-port thymectomy without CO...
The utilization of a radical robotic thymectomy, with clearance of the mediastinal tissue between the two phrenic nerves for a thymoma, is well established. The complex mediastinal anatomy, limited sp...
Several retrospective studies have identified risk factors associated with ocular myasthenia gravis (OMG) generalization in non-surgical patients. However, the outcomes of OMG after thymectomy have no...
We performed a retrospective review of OMG patients who underwent thymectomy at our institution from January 2012 to December 2021. Kaplan-Meier and Cox proportional hazard regression analyses were us...
Fifty-eight patients were identified for conversion analysis. Thirteen (22.4%) developed generalized myasthenia gravis (GMG) at a median time of 12.7 (3-37.3) months from symptom onset. Repetitive ner...
For OMG patients after thymectomy, RNS-positivity and histotype B2/B3 thymoma are independent predictors of conversion to GMG. On the other hand, thymic hyperplasia and stage I thymoma independently p...
This study aimed to develop and validate internally a clinical predictive model, for predicting myasthenic crisis within 30 days after thymectomy in patients with myasthenia gravis....
Eligible patients were enrolled between January 2015 and May 2019. The primary outcome measure was postoperative myasthenic crisis (POMC). A predictive model was constructed using logistic regression ...
A total of 445 patients were enrolled. Five variables were screened including thymus imaging, onset age, MGFA classification, preoperative treatment regimen, and surgical approach. The model exhibited...
This nomogram could assist in identifying patients at higher risk of POMC and determining the optimal surgical time for these patients....
To determine the effect of tetanus toxoid (TT) revaccination on circulating B-, T- and NK-cell compartments in myasthenia gravis (MG) patients....
Lymphocyte (sub)populations and differentiation stages were assessed by flow cytometry in 50 TT revaccinated MG patients. TT-specific proliferative responses were explored in PBMC cultures....
In patients treated with azathioprine B- and NK cell numbers were strongly decreased. Lymphocyte (sub)populations remained unaffected upon TT revaccination. t All patients showed a significant TT-indu...
TT revaccination is effective in MG patients with stable disease irrespective of their thymectomy status and medication and does not alter the composition of the lymphocyte compartment....
This study investigated the postthymectomy outcomes and factors affecting the prognosis of thymomatous generalized myasthenia gravis (TGMG)....
Clinical records of 86 patients with TGMG who underwent thymectomy at our institution between 2012 and 2020 were retrospectively reviewed. Predictors of complete stable remission (CSR) and exacerbatio...
A total of 16 patients achieved CSR, four achieved pharmacological remission, six exhibited deterioration, and eight died of myasthenia gravis (MG; mean follow-up = 75.1 months). Male sex (p = 0.049) ...
Male sex and disease duration < 11.5 weeks were independent predictors of CSR in TGMG postthymectomy. Onset age < 52.8 years and ocular and limb muscle weakness at onset were associated with a higher ...
The purpose of this study was to introduce an "eight-step modularized procedure (M-RET)" for trans-subxiphoid robotic extended thymectomy for patients with myasthenia gravis (MG). Its safety and feasi...
This retrospective study included 87 consecutive MG patients who underwent trans-subxiphoid robotic extended thymectomy at our institution between September 2016 and August 2021. According to differen...
There were 41 (47.1%) patients in the M-RET group and 46 (52.9%) patients in the T-RET group. The M-RET group resected a greater amount of mediastinal adipose tissues and required more dissection time...
The eight-step modularized technique of trans-subxiphoid robotic extended thymectomy was verified to be a safe, effective, radical procedure, which offers unique superiority over ectopic thymic tissue...