questionsmedicales.fr
Acides aminés, peptides et protéines
Protéines
Protéines du sang
Immunoprotéines
Protéines du système du complément
Enzymes activatrices du complément
Complement C3-C5 Convertases
Complement C3-C5 Convertases : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Déficience du complément
Tests de laboratoire
Tests de complément
Hémolyse
Infections
Maladies auto-immunes
Sérum
Activité enzymatique
Symptômes
5
Éruptions cutanées
Douleurs articulaires
Troubles neurologiques
Inflammation cérébrale
Infections bactériennes
Maladies auto-immunes
Déficience du complément
Symptômes cliniques
Prévention
5
Prévention
Diagnostic précoce
Alimentation équilibrée
Nutrition
Suivi médical
Complications
Conseils génétiques
Transmission héréditaire
Traitements
5
Immunoglobulines
Antibiotiques
Médicaments anti-inflammatoires
Inhibiteurs du complément
Transfusions sanguines
Protéines du complément
Thérapie génique
Déficiences génétiques
Médecine personnalisée
Soins individualisés
Complications
5
Infections graves
Maladies auto-immunes
Complications réversibles
Gestion des complications
Qualité de vie
Douleurs chroniques
Complications neurologiques
Troubles cognitifs
Lésions tissulaires
Réactions inflammatoires
Facteurs de risque
5
Antécédents familiaux
Maladies auto-immunes
Infections fréquentes
Déficience du complément
Maladies génétiques
Prédisposition
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"name": "Comment diagnostiquer une déficience en convertases C3-C5 ?",
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"text": "Des tests sanguins mesurant les niveaux de C3 et C5 peuvent indiquer une déficience."
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"@type": "Question",
"name": "Quels tests sont utilisés pour évaluer l'activité du complément ?",
"position": 2,
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"text": "Les tests d'hémolyse et les dosages de protéines du complément sont courants."
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"@type": "Question",
"name": "Quels signes cliniques suggèrent une activation du complément ?",
"position": 3,
"acceptedAnswer": {
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"name": "Quels marqueurs biologiques sont associés aux convertases ?",
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"@type": "Question",
"name": "Quels symptômes indiquent une activation excessive du complément ?",
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"name": "Comment se manifestent les troubles liés aux convertases ?",
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"@type": "Question",
"name": "Les troubles du complément causent-ils des symptômes neurologiques ?",
"position": 8,
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"@type": "Question",
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"name": "Les symptômes varient-ils selon le type de déficience ?",
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"name": "Quelles mesures préventives peuvent réduire les infections ?",
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"name": "Les patients doivent-ils éviter certains aliments ?",
"position": 13,
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"@type": "Question",
"name": "Comment le suivi médical aide-t-il à prévenir les complications ?",
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"name": "Les conseils génétiques sont-ils utiles pour les familles ?",
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"name": "Quels traitements sont disponibles pour les déficiences en complément ?",
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"name": "Comment traiter une activation excessive du complément ?",
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"name": "Les transfusions sanguines aident-elles en cas de déficience ?",
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"text": "Des recherches sont en cours sur les thérapies géniques pour traiter ces déficiences."
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"@type": "Question",
"name": "Les traitements sont-ils personnalisés selon le patient ?",
"position": 20,
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"@type": "Question",
"name": "Quelles complications peuvent survenir avec une déficience en C3 ?",
"position": 21,
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"@type": "Question",
"name": "Les complications sont-elles réversibles ?",
"position": 22,
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"text": "Certaines complications peuvent être gérées, mais d'autres peuvent être permanentes."
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"name": "Comment les complications affectent-elles la qualité de vie ?",
"position": 23,
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"@type": "Question",
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{
"@type": "Question",
"name": "L'âge influence-t-il le risque de troubles du complément ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le risque peut augmenter avec l'âge en raison de la dégradation du système immunitaire."
}
},
{
"@type": "Question",
"name": "Les infections fréquentes sont-elles un facteur de risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des infections fréquentes peuvent indiquer une déficience sous-jacente du complément."
}
},
{
"@type": "Question",
"name": "Le sexe joue-t-il un rôle dans les troubles du complément ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines déficiences sont plus fréquentes chez les femmes en raison de facteurs hormonaux."
}
},
{
"@type": "Question",
"name": "Les maladies génétiques augmentent-elles le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines maladies génétiques peuvent prédisposer à des déficiences du complément."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 09/03/2025
Contenu vérifié selon les dernières recommandations médicales
7 publications dans cette catégorie
Affiliations :
Department of Laboratory Medicine and Pathology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
5 publications dans cette catégorie
Affiliations :
Research Laboratory, Nordland Hospital, 8092 Bodø, Norway.
K.G. Jebsen Thrombosis Research and Expertise Center, University of Tromsø, 9037 Tromsø, Norway.
Department of Immunology, Oslo University Hospital, University of Oslo, 0318 Oslo, Norway.
Centre of Molecular Inflammation Research, Norwegian University of Science and Technology, 7491 Trondheim, Norway; and.
Publications dans "Complement C3-C5 Convertases" :
5 publications dans cette catégorie
Affiliations :
National Center for Scientific Research 'Demokritos', Athens, Greece.
Publications dans "Complement C3-C5 Convertases" :
5 publications dans cette catégorie
Affiliations :
Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy.
L. Sacco Department of Biomedical and Clinical Sciences, University of Milan, Milan, Italy.
Publications dans "Complement C3-C5 Convertases" :
4 publications dans cette catégorie
Affiliations :
Institute of Clinical and Experimental Trauma Immunology, University Hospital of Ulm, Ulm, Germany.
Publications dans "Complement C3-C5 Convertases" :
4 publications dans cette catégorie
Affiliations :
Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy.
Publications dans "Complement C3-C5 Convertases" :
3 publications dans cette catégorie
Affiliations :
Department of Immunology, Genetics and Pathology, University Uppsala, Uppsala, Sweden.
Publications dans "Complement C3-C5 Convertases" :
3 publications dans cette catégorie
Publications dans "Complement C3-C5 Convertases" :
3 publications dans cette catégorie
Affiliations :
Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Linneaus Center for Bomaterials Chemistry, Linnaeus University, Kalmar, Sweden.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Deparment of Infection Biology, Leibniz Institute for Natural Product Research and Infection Biology, Jena, Germany.
Faculty of Life Sciences, Friedrich Schiller University Jena, Jena, Germany.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biology and Genetics, Aarhus University, DK-8000 Aarhus, Denmark.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biology and Genetics, Aarhus University, DK-8000 Aarhus, Denmark.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Research Laboratory, Nordland Hospital, 8092 Bodø, Norway.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biology and Genetics, Aarhus University, DK-8000 Aarhus, Denmark.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biology and Genetics, Aarhus University, DK-8000 Aarhus, Denmark.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biology and Genetics, Aarhus University, DK-8000 Aarhus, Denmark.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biology and Genetics, Aarhus University, DK-8000 Aarhus, Denmark.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Department of Biomedicine, Aarhus University, DK-8000 Aarhus, Denmark.
Publications dans "Complement C3-C5 Convertases" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular Biology and Genetics, Aarhus University, DK-8000 Aarhus, Denmark; gra@mbg.au.dk.
Publications dans "Complement C3-C5 Convertases" :
C-reactive protein (CRP) and high-sensitivity C-reactive protein (hsCRP) are measures of inflammation used in diagnosis, to guide treatment decisions, and in disease prediction. Variability in measure...
A systematic review and meta-analysis was performed to estimate longitudinal within-subject variability of CRP and hsCRP over any time period. Follow-up studies of any design in adults or children, wi...
Of 2675 studies identified, 60 met the inclusion criteria: 34 reported CRP and 26 reported hsCRP. For CRP, median CV was 0.41 (range 0.11 to 0.89), and the pooled estimate of ICC was 0.55 (95% CI 0.35...
Assessment of variability was not the main aim of many of the included papers, and it is possible that some relevant papers have been missed. Many of the papers included had low numbers of participant...
Estimated within-subject variability is high for both CRP and hsCRP, but estimates are based on small numbers of participants and measurements. There is a need for better estimates of within-subject v...
Even though type 2 diabetes mellitus (T2DM) represents a worldwide chronic health issue that affects about 462 million people, specific underlying determinants of insulin resistance (IR) and impaired ...
C-reactive protein (CRP) is a member of the highly conserved pentraxin superfamily of proteins and is often used in clinical practice as a marker of infection and inflammation. There is now increasing...
This study aimed to evaluate the role of the C-reactive protein-to-prealbumin (CP) ratio and the C-reactive protein-to-albumin (CA) ratio as nutritional and prognostic markers. A retrospective study w...
Testing for systemic inflammation markers is considered a simpler method for diagnosing periprosthetic joint infection (PJI). Changes in the C-reactive protein/albumin ratio (CRP/Alb ratio) and C-reac...
We retrospectively evaluated 445 patients who underwent total hip and knee revision arthroplasties between January 2010 and February 2021. Of these, 129 patients were also independently evaluated for ...
The AUC values of the CRP/Alb and CRP/Fib ratios were 0.880 and 0.872, respectively, suggesting similar diagnostic potentials for PJI. The CRP/Alb and CRP/Fib ratios were better than the erythrocyte s...
Both the CRP/Alb and CRP/Fib ratios were significantly higher in patients with PJI than in those with aseptic failure and showed better sensitivity and specificity for diagnosing PJI than classical in...
The quantification of protein biomarkers in blood at picomolar-level sensitivity requires labour-intensive incubation and washing steps. Sensing proteins in sweat, which would allow for point-of-care ...
Human C-reactive protein (CRP) binds to lipophosphoglycan (LPG), a virulence factor of...
C-reactive protein (CRP) is well-recognized as a sensitive biomarker of inflammation. Association of elevations in plasma/serum CRP level with disease state has received considerable attention, even t...
In a retrospective study, we analyzed the prevalence of elevated C‑reactive protein (CRP) serum levels in 148 patients with chronic myelomonocytic leukemia (CMML), their potential prognostic impact, a...
Hypertension has become an important health risk factor in the twenty-first century, especially for the elderly. Studies have confirmed that inflammation is involved in the development of hypertension...
Serum CRP levels were measured in 196 hospitalized patients, and the CRP level was used as a criterion to divide them into the group with elevated CRP (> 10 mmol/L, n = 120) and the group with normal ...
The prevalence of hypertension, coronary artery disease and joint reactive inflammation was significantly higher in the group with elevated CRP. There was also a significant association between the us...
Elevated CRP, BMI, and diabetes are positively associated with hypertension in the elderly, and early screening for CRP and initiation of treatment may help prevent further inflammatory responses in h...