Titre : Vecteurs génétiques

Vecteurs génétiques : Questions médicales fréquentes

Termes MeSH sélectionnés :

Computer Security
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"text": "Les vecteurs génétiques sont identifiés par leur capacité à transporter des gènes et à les exprimer." } }, { "@type": "Question", "name": "Quels tests pour évaluer l'efficacité d'un vecteur ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de transfection et d'expression génique sont utilisés pour évaluer l'efficacité." } }, { "@type": "Question", "name": "Quels marqueurs sont utilisés pour les vecteurs ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des marqueurs fluorescents ou de résistance aux antibiotiques sont souvent utilisés." } }, { "@type": "Question", "name": "Comment détecter des vecteurs viraux ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des techniques comme la PCR et le séquençage sont utilisées pour détecter des vecteurs viraux." } }, { "@type": "Question", "name": "Quels sont les critères de sécurité des vecteurs ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Les vecteurs doivent être non pathogènes et ne pas induire de réponse immunitaire excessive." } }, { "@type": "Question", "name": "Quels symptômes d'une thérapie génique ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent inclure des réactions immunitaires, des inflammations ou des douleurs." } }, { "@type": "Question", "name": "Y a-t-il des effets secondaires des vecteurs ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des effets secondaires comme des nausées ou des réactions allergiques peuvent survenir." } }, { "@type": "Question", "name": "Comment les vecteurs affectent-ils les cellules ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les vecteurs peuvent modifier l'expression génique, entraînant des changements fonctionnels." } }, { "@type": "Question", "name": "Quels signes d'infection par vecteur viral ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Les signes incluent fièvre, fatigue, et symptômes respiratoires selon le vecteur." } }, { "@type": "Question", "name": "Les vecteurs peuvent-ils causer des tumeurs ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Il existe un risque théorique que certains vecteurs induisent des tumeurs par insertion génique." } }, { "@type": "Question", "name": "Comment prévenir les effets indésirables des vecteurs ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une évaluation rigoureuse et des tests précliniques peuvent aider à prévenir les effets indésirables." } }, { "@type": "Question", "name": "Y a-t-il des protocoles de sécurité pour les vecteurs ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des protocoles de sécurité stricts sont établis pour l'utilisation des vecteurs en recherche." } }, { "@type": "Question", "name": "Comment minimiser les risques d'infection ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Utiliser des vecteurs non pathogènes et suivre des pratiques de laboratoire sécurisées." } }, { "@type": "Question", "name": "Les vaccins utilisent-ils des vecteurs ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains vaccins utilisent des vecteurs pour introduire des antigènes dans l'organisme." } }, { "@type": "Question", "name": "Comment évaluer la sécurité des vecteurs ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Des études cliniques et des évaluations de risques sont nécessaires pour évaluer la sécurité." } }, { "@type": "Question", "name": "Comment les vecteurs sont-ils utilisés en thérapie ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Ils sont utilisés pour délivrer des gènes thérapeutiques dans des cellules cibles." } }, { "@type": "Question", "name": "Quels types de vecteurs sont courants ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Les vecteurs viraux, plasmidiques et lipidiques sont couramment utilisés." } }, { "@type": "Question", "name": "Comment choisir un vecteur pour un traitement ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Le choix dépend de la cible cellulaire, de la taille du gène et de la sécurité." } }, { "@type": "Question", "name": "Quels vecteurs pour les maladies héréditaires ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Les vecteurs viraux comme les lentivirus sont souvent utilisés pour les maladies héréditaires." } }, { "@type": "Question", "name": "Les vecteurs peuvent-ils être administrés par voie orale ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Certains vecteurs peuvent être administrés oralement, mais l'efficacité est souvent limitée." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec les vecteurs ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des réactions immunitaires, des infections et des tumeurs." } }, { "@type": "Question", "name": "Les vecteurs peuvent-ils causer des maladies auto-immunes ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Il existe un risque potentiel que certains vecteurs déclenchent des maladies auto-immunes." } }, { "@type": "Question", "name": "Comment gérer les complications des vecteurs ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "La gestion inclut le suivi médical, des traitements symptomatiques et des ajustements de dosage." } }, { "@type": "Question", "name": "Les vecteurs peuvent-ils provoquer des allergies ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des réactions allergiques peuvent survenir en réponse aux vecteurs utilisés." } }, { "@type": "Question", "name": "Quels sont les risques de transmission de maladies ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Il y a un risque de transmission de maladies si des vecteurs viraux sont mal utilisés." } }, { "@type": "Question", "name": "Quels facteurs augmentent les risques liés aux vecteurs ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les antécédents médicaux, l'âge et le type de vecteur utilisé peuvent augmenter les risques." } }, { "@type": "Question", "name": "Les patients immunodéprimés sont-ils à risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les patients immunodéprimés peuvent avoir un risque accru d'effets indésirables." } }, { "@type": "Question", "name": "Comment l'âge influence-t-il les risques ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "L'âge avancé peut affecter la réponse immunitaire et augmenter les risques d'effets indésirables." } }, { "@type": "Question", "name": "Les antécédents d'allergies sont-ils un facteur ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents d'allergies peuvent augmenter le risque de réactions aux vecteurs." } }, { "@type": "Question", "name": "Quels vecteurs sont plus risqués ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Les vecteurs viraux, en particulier ceux dérivés de virus pathogènes, présentent plus de risques." } } ] } ] }

Sources (10000 au total)

Normative computed tomography angiography values of the aortic root, aorta, and aortic arch in children.

Normative values for intracardiac and extracardiac vascular structures help in understanding normal growth and changes over time in children; this normative data is not currently available for ECG-gat... Our study reports systolic and diastolic ECG-gated CTA Z-scores along with normative curves in relation to BSA for the aortic root, aorta, and aortic arch in children.... • Normative data for intracardiac and extracardiac vascular structures in the pediatric population are available for echocardiography, cardiac MRI and non-ECG gated CTA. • Z-scores with standard devia... • Allometric exponent was derived for each parameter and the parameter/body surface area (BSA) was established. • This is the first ECG-gated CTA study to provide normative en face systolic, diastolic...

A Computer Modeling-Based Target Zone for Transposition Osteotomy of the Acetabulum in Patients with Hip Dysplasia.

This study aimed to determine the acetabular position to optimize hip biomechanics after transposition osteotomy of the acetabulum (TOA), a specific form of periacetabular osteotomy, in patients with ... We created patient-specific finite-element models of 46 patients with hip dysplasia to simulate 12 virtual TOA scenarios: lateral rotation to achieve a lateral center-edge angle (LCEA) of 30°, 35°, an... The prevalence of hips in the optimal position was highest (65.2%) at an LCEA of 30°, regardless of the amount of anterior rotation. While the acetabular position minimizing peak CP varied among patie... Acetabular reorientation to an LCEA of between 30° and 35° with an additional 15° of anterior rotation may serve as a biomechanics-based target zone for surgeons performing TOA in most patients with h... This study provides a biomechanics-based target for refining acetabular reorientation strategies during TOA while considering morphological factors that may limit the required range of motion....

Iliac vein obstruction: accuracy of Direct Multidetector Computed Tomographic Venography and duplex ultrasound.

To evaluate the accuracy of direct computed tomographic venography (DCTV) and duplex ultrasound (DUS) in the identification of iliac vein obstruction in highly symptomatic patients with severe chronic... this study involved patients who had advanced CVD (CEAP C3-6). All patients underwent DCTV, venous duplex scanning, and IVUS. The presence of iliac vein obstruction was detected, and degree of obstruc... of 94 patients with CVD, IVUS identified iliac vein obstruction in 55 (58.5%) patients (25.5% was grade 1, 27.3% was grade 2, 47.3% was grade 3). The sensitivity, specificity of DCTV in diagnosing obs... DUS is a reasonable initial imaging modality for the identification of significant iliac vein obstruction. DCTV provides an accurate reproducible imaging for accurate estimation needed for treatment p... Direct CT Venography provides accurate reproducible radiological information required for treatment planning of patients with Iliac vein obstruction including accurate assessment of site of obstructio...

A computational and machine learning approach to identify GPR40-targeting agonists for neurodegenerative disease treatment.

The G protein-coupled receptor 40 (GPR40) is known to exert a significant influence on neurogenesis and neurodevelopment within the central nervous system of both humans and rodents. Research findings...

Analysis of growth pattern of temporal bone pneumatization using 3D reconstructed computed tomography.

Temporal bone pneumatization (TBP) is influenced by age, sex, and race, and it seems to progress rapidly to puberty. However, the extent of TBP in childhood remains unclear.... To investigate the progression of TBP in children aged 1-18 years via three-dimensional (3D) reconstruction of high-resolution computed tomography (CT) images.... A total of 432 temporal bones of 216 individuals aged 1-18 years with well-pneumatized mastoid antra on both sides were included in this retrospective work. We created 18 age groups, each with six boy... The linear regression equations that considered age and volume for all cases (y... TBP in boys was greater than that of girls at adolescence. It was possible to identify the specific periods of significant variation in the degree of pneumatization of temporal bone....

Pulp calcification identification on cone beam computed tomography: an artificial intelligence pilot study.

This study aims to verify the effectiveness of a deep neural network (DNN) in automatically identifying pulp calcification on cone beam computed tomography (CBCT) images.... This study retrospectively analysed 150 CBCT images. Pulp calcification was identified and manually annotated by three endodontists with 10 years of experience. A DNN model based on the U-Net architec... The model achieved a sensitivity of 75.91 ± 2.84% in automatically identifying pulp calcification, with a specificity of 68.88 ± 2.35%, an accuracy of 72.78 ± 2.13%, and an AUC of 73.68 ± 3.09%. Accor... The results indicate that the proposed method shows promise for identifying pulp calcification on CBCT images. Future research aims to expand the dataset and refine the model, thereby enhancing its cl... Registration was performed on the Chinese Clinical Trial Registry ( https://www.chictr.org.cn/ ) (Registration number: ChiCTR2300077078, 27/10/2023) and National Medical Research Registry Information ...