Titre : Metalloproteases

Metalloproteases : Questions médicales fréquentes

Termes MeSH sélectionnés :

Image Interpretation, Computer-Assisted
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ou les tissus peuvent servir de marqueurs diagnostiques." } }, { "@type": "Question", "name": "Les imageries sont-elles utiles pour le diagnostic ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'imagerie peut aider à visualiser les tissus affectés par des déséquilibres enzymatiques." } }, { "@type": "Question", "name": "Quels tests génétiques sont disponibles ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des tests génétiques peuvent identifier des mutations affectant la production de métalloprotéases." } }, { "@type": "Question", "name": "Comment évaluer l'activité enzymatique ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des tests enzymatiques spécifiques mesurent l'activité des métalloprotéases dans les échantillons." } }, { "@type": "Question", "name": "Quels symptômes indiquent une surproduction de métalloprotéases ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Une inflammation, des douleurs articulaires et des lésions tissulaires peuvent survenir." } }, { "@type": "Question", "name": "Les symptômes varient-ils selon le type de métalloprotéases ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, différents types de métalloprotéases peuvent causer des symptômes variés selon les tissus affectés." } }, { "@type": "Question", "name": "Quels signes cliniques sont associés à une déficience ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Une cicatrisation lente et des anomalies dans la matrice extracellulaire peuvent être observées." } }, { "@type": "Question", "name": "Les symptômes sont-ils toujours visibles ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Non, certaines dysfonctions peuvent être asymptomatiques jusqu'à des stades avancés." } }, { "@type": "Question", "name": "Comment les symptômes évoluent-ils avec l'âge ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "L'activité des métalloprotéases peut augmenter avec l'âge, aggravant les symptômes dégénératifs." } }, { "@type": "Question", "name": "Comment prévenir les maladies liées aux métalloprotéases ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sain, incluant une alimentation équilibrée et de l'exercice, peut aider." } }, { "@type": "Question", "name": "Les suppléments nutritionnels sont-ils utiles ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Certains suppléments, comme les antioxydants, peuvent soutenir la fonction des métalloprotéases." } }, { "@type": "Question", "name": "L'évitement de certains aliments est-il recommandé ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, réduire les aliments pro-inflammatoires peut aider à réguler l'activité des métalloprotéases." } }, { "@type": "Question", "name": "Le contrôle du stress est-il important ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress peut influencer l'activité des métalloprotéases, donc sa gestion est cruciale." } }, { "@type": "Question", "name": "Les examens réguliers sont-ils nécessaires ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Des examens réguliers peuvent aider à détecter précocement des déséquilibres enzymatiques." } }, { "@type": "Question", "name": "Quels traitements ciblent les métalloprotéases ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des inhibiteurs spécifiques des métalloprotéases sont utilisés pour traiter certaines maladies." } }, { "@type": "Question", "name": "Les thérapies géniques sont-elles une option ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la thérapie génique peut corriger des mutations affectant la production de métalloprotéases." } }, { "@type": "Question", "name": "Comment les anti-inflammatoires aident-ils ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent réduire l'inflammation causée par une suractivité des métalloprotéases." } }, { "@type": "Question", "name": "Les traitements sont-ils personnalisés ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les traitements peuvent être adaptés en fonction du type de métalloprotéases impliqué." } }, { "@type": "Question", "name": "Quels sont les effets secondaires des inhibiteurs ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Les inhibiteurs peuvent causer des effets secondaires comme des troubles gastro-intestinaux." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une suractivité ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des maladies dégénératives, comme l'arthrite, peuvent résulter d'une suractivité des métalloprotéases." } }, { "@type": "Question", "name": "Les complications sont-elles réversibles ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être réversibles avec un traitement approprié, d'autres non." } }, { "@type": "Question", "name": "Comment les complications affectent-elles la qualité de vie ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent entraîner des douleurs chroniques et une mobilité réduite, affectant la qualité de vie." } }, { "@type": "Question", "name": "Les complications sont-elles prévisibles ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être prévisibles en surveillant les niveaux d'activité enzymatique." } }, { "@type": "Question", "name": "Quelles sont les complications liées à une déficience ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Une cicatrisation lente et des infections peuvent survenir en raison d'une déficience en métalloprotéases." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de dysfonction ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'âge, le mode de vie sédentaire et une alimentation déséquilibrée augmentent le risque." } }, { "@type": "Question", "name": "Les antécédents familiaux jouent-ils un rôle ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux de maladies liées aux métalloprotéases peuvent augmenter le risque." } }, { "@type": "Question", "name": "Le tabagisme est-il un facteur de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme peut exacerber l'activité des métalloprotéases et augmenter les maladies associées." } }, { "@type": "Question", "name": "Le stress chronique influence-t-il le risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress chronique peut perturber l'équilibre des métalloprotéases, augmentant le risque de maladies." } }, { "@type": "Question", "name": "L'exposition à des toxines est-elle un facteur ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exposition à certaines toxines environnementales peut affecter l'activité des métalloprotéases." } } ] } ] }

Sous-catégories

20 au total
└─

Metalloendopeptidases

Metalloendopeptidases D008666 - D08.811.277.656.675.374
└─

Metalloexopeptidases

Metalloexopeptidases D045727 - D08.811.277.656.675.555
└─└─

Collagenases

Collagenases D017364 - D08.811.277.656.675.374.205
└─└─

Enzymes de conversion de l'endothéline

Endothelin-Converting Enzymes D000072396 - D08.811.277.656.675.374.229
└─└─

Gelatinases

Gelatinases D018093 - D08.811.277.656.675.374.252
└─└─

Insulinase

Insulysin D007339 - D08.811.277.656.675.374.300
└─└─

Lysostaphin

Lysostaphin D008248 - D08.811.277.656.675.374.452
└─└─

Matrix metalloproteinases

Matrix Metalloproteinases D020782 - D08.811.277.656.675.374.525
└─└─

Procollagen peptidase

Procollagen N-Endopeptidase D011348 - D08.811.277.656.675.374.664
└─└─

Bacillus thermoproteolyticus neutral proteinase

Thermolysin D013820 - D08.811.277.656.675.374.827
└─└─

Carboxypeptidases A

Carboxypeptidases A D043422 - D08.811.277.656.675.555.350
└─└─

Cystinyl aminopeptidase

Cystinyl Aminopeptidase D010122 - D08.811.277.656.675.555.400
└─└─

Glutamate carboxypeptidase II

Glutamate Carboxypeptidase II D043425 - D08.811.277.656.675.555.500
└─└─

Glutamyl aminopeptidase

Glutamyl Aminopeptidase D043384 - D08.811.277.656.675.555.600
└─└─

Leucyl Aminopeptidase

Leucyl Aminopeptidase D007931 - D08.811.277.656.675.555.700
└─└─

Lysine carboxypeptidase

Lysine Carboxypeptidase D001121 - D08.811.277.656.675.555.750
└─└─└─

Microbial collagenase

Microbial Collagenase D003012 - D08.811.277.656.675.374.205.500
└─└─└─└─

Matrix metalloproteinase 14

Matrix Metalloproteinase 14 D053511 - D08.811.277.656.675.374.525.300.500
└─└─└─└─

Matrix metalloproteinase 15

Matrix Metalloproteinase 15 D053517 - D08.811.277.656.675.374.525.300.625
└─└─└─└─

Matrix metalloproteinase 16

Matrix Metalloproteinase 16 D053513 - D08.811.277.656.675.374.525.300.750

Sources (10000 au total)

Computational Analysis of Pathological Image Enables Interpretable Prediction for Microsatellite Instability.

Microsatellite instability (MSI) is associated with several tumor types and has become increasingly vital in guiding patient treatment decisions; however, reasonably distinguishing MSI from its counte... In this study, interpretable pathological image analysis strategies are established to help medical experts to identify MSI. The strategies only require ubiquitous hematoxylin and eosin-stained whole-... The strategies achieve two levels of interpretability. First, the image-level interpretability is achieved by generating localization heat maps of important regions based on deep learning. Second, the... The developed transparent machine learning pipeline is able to detect MSI efficiently and provide comprehensive clinical insights to pathologists. The comprehensible heat maps and features in the inte...

Computer assisted interpretation of Tc-99m mercaptoacetyltriglycine diuretic scintigraphy enhances resident performance.

iRENEX is a software module that incorporates scintigraphic and clinical data to interpret 99m Tc- mercaptoacetyltriglycine (MAG3) diuretic studies and provide reasons for their conclusions. Our objec... Baseline and furosemide 99m Tc-MAG3 acquisitions of 50 patients with suspected obstruction (mean age ± SD, 58.7 ± 15.8 years, 60% female) were randomly selected from an archived database and independe... The CCC among experts was higher than that among residents, 0.84, versus 0.39, respectively, P < 0.001. When residents reinterpreted the studies with iRENEX, their CCC improved from 0.39 to 0.73, P < ... iRENEX interpretations were comparable to those of experts. iRENEX reduced interobserver variability among experienced residents and led to better agreement between resident and expert interpretations...

The virtual reference radiologist: comprehensive AI assistance for clinical image reading and interpretation.

Large language models (LLMs) have shown potential in radiology, but their ability to aid radiologists in interpreting imaging studies remains unexplored. We investigated the effects of a state-of-the-... In this retrospective study, six radiologists of different experience levels read 40 selected radiographic [n = 10], CT [n = 10], MRI [n = 10], and angiographic [n = 10] studies unassisted (session on... When assessing if the correct diagnosis was among the top-3 differential diagnoses, diagnostic accuracy improved slightly from 181/240 (75.4%, unassisted) to 188/240 (78.3%, AI-assisted). Similar impr... Integrating GPT-4 in the diagnostic process improved diagnostic accuracy slightly and diagnostic confidence significantly. Potentially harmful hallucinations and misinterpretations call for caution an... Using GPT-4 as a virtual assistant when reading images made six radiologists of different experience levels feel more confident and provide more accurate diagnoses; yet, GPT-4 gave factually incorrect...

Equipping computational pathology systems with artifact processing pipelines: a showcase for computation and performance trade-offs.

Histopathology is a gold standard for cancer diagnosis. It involves extracting tissue specimens from suspicious areas to prepare a glass slide for a microscopic examination. However, histological tiss... In this paper, we propose a mixture of experts (MoE) scheme for detecting five notable artifacts, including damaged tissue, blur, folded tissue, air bubbles, and histologically irrelevant blood from W... We extensively evaluated the proposed MoE and multiclass models. DCNNs-based MoE and ViTs-based MoE schemes outperformed simpler multiclass models and were tested on datasets from different hospitals ... The proposed artifact detection pipeline will not only ensure reliable CPATH predictions but may also provide quality control. In this work, the best-performing pipeline for artifact detection is MoE ...

Assistive artificial intelligence for ultrasound image interpretation in regional anaesthesia: an external validation study.

Ultrasonound is used to identify anatomical structures during regional anaesthesia and to guide needle insertion and injection of local anaesthetic. ScanNav Anatomy Peripheral Nerve Block (Intelligent... Ultrasound-guided regional anaesthesia experts acquired 720 videos from 40 volunteers (across nine anatomical regions) without using the device. The artificial-intelligence colour overlay was subseque... The artificial-intelligence models identified the structure of interest in 93.5% of cases (1519/1624), with a false-negative rate of 3.0% (48/1624) and a false-positive rate of 3.5% (57/1624). Highlig... Artificial intelligence-based devices can potentially aid image acquisition and interpretation in ultrasound-guided regional anaesthesia. Further studies are necessary to demonstrate their effectivene... NCT04906018....

Stereo reconstruction from microscopic images for computer-assisted ophthalmic surgery.

This work presents a novel platform for stereo reconstruction in anterior segment ophthalmic surgery to enable enhanced scene understanding, especially depth perception, for advanced computer-assisted... The proposed platform for stereo reconstruction uses a two-step approach: generating a sparse 3D point cloud from microscopic images, deriving a dense 3D representation by fitting surfaces onto the po... The accuracy of 3D reconstruction is evaluated on stereo microscopic images of ex vivo porcine eyes, rigid phantom eyes, and synthetic photo-realistic images. The results demonstrate the potential of ... This work marks a significant advancement in stereo reconstruction for ophthalmic surgery by addressing corneal distortions, a previously often overlooked aspect in such surgical scenarios. This could...