Titre : Microbiologie industrielle

Microbiologie industrielle : Questions médicales fréquentes

Termes MeSH sélectionnés :

Complement Activation
{ "@context": "https://schema.org", "@graph": [ { "@type": "MedicalWebPage", "name": "Microbiologie industrielle : Questions médicales les plus fréquentes", "headline": "Microbiologie industrielle : Comprendre les symptômes, diagnostics et traitements", "description": "Guide complet et accessible sur les Microbiologie industrielle : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.", "datePublished": "2024-07-15", "dateModified": "2025-04-11", "inLanguage": "fr", "medicalAudience": [ { "@type": "MedicalAudience", "name": "Grand public", "audienceType": "Patient", "healthCondition": { "@type": "MedicalCondition", "name": "Microbiologie industrielle" }, "suggestedMinAge": 18, "suggestedGender": "unisex" }, { "@type": "MedicalAudience", "name": "Médecins", "audienceType": "Physician", "geographicArea": { "@type": "AdministrativeArea", "name": "France" } }, { "@type": "MedicalAudience", "name": "Chercheurs", "audienceType": "Researcher", "geographicArea": { "@type": "AdministrativeArea", "name": "International" } } ], "reviewedBy": { "@type": "Person", "name": "Dr Olivier Menir", "jobTitle": "Expert en Médecine", "description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale", "url": "/static/pages/docteur-olivier-menir.html", "alumniOf": { "@type": "EducationalOrganization", "name": "Université Paris Descartes" } }, "isPartOf": { "@type": "MedicalWebPage", "name": "Biotechnologie", "url": "https://questionsmedicales.fr/mesh/D001709", "about": { "@type": "MedicalCondition", "name": "Biotechnologie", "code": { "@type": "MedicalCode", "code": "D001709", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "J01.897.120" } } }, "about": { "@type": "MedicalCondition", "name": "Microbiologie industrielle", "alternateName": "Industrial Microbiology", "code": { "@type": "MedicalCode", "code": "D007218", "codingSystem": "MeSH" } }, "author": [ { "@type": "Person", "name": "None None", "url": "https://questionsmedicales.fr/author/None%20None", "affiliation": { "@type": "Organization", "name": "" } }, { "@type": "Person", "name": "Kyoung-Ho Song", "url": "https://questionsmedicales.fr/author/Kyoung-Ho%20Song", "affiliation": { "@type": "Organization", "name": "Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea." } }, { "@type": "Person", "name": "Eu Suk Kim", "url": "https://questionsmedicales.fr/author/Eu%20Suk%20Kim", "affiliation": { "@type": "Organization", "name": "Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea." } }, { "@type": "Person", "name": "Yee Gyung Kwak", "url": "https://questionsmedicales.fr/author/Yee%20Gyung%20Kwak", "affiliation": { "@type": "Organization", "name": "Department of Internal Medicine, Inje University Ilsan Paik Hospital, Goyang, Republic of Korea." } }, { "@type": "Person", "name": "Hong Bin Kim", "url": "https://questionsmedicales.fr/author/Hong%20Bin%20Kim", "affiliation": { "@type": "Organization", "name": "Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea." } } ], "citation": [ { "@type": "ScholarlyArticle", "name": "Circulating Immune Complexes and Complement Activation in Sensitized Kidney Transplant Recipients.", "datePublished": "2024-10-10", "url": "https://questionsmedicales.fr/article/39456685", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.3390/ijms252010904" } }, { "@type": "ScholarlyArticle", "name": "Tear fluid and complement activation products in tears after ocular surgery.", "datePublished": "2023-07-18", "url": "https://questionsmedicales.fr/article/37464366", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1186/s12886-023-03037-6" } }, { "@type": "ScholarlyArticle", "name": "Complement activation profiles in anti-acetylcholine receptor positive myasthenia gravis.", "datePublished": "2023-02-24", "url": "https://questionsmedicales.fr/article/36752022", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1111/ene.15730" } }, { "@type": "ScholarlyArticle", "name": "Zilucoplan, a macrocyclic peptide inhibitor of human complement component 5, uses a dual mode of action to prevent terminal complement pathway activation.", "datePublished": "2023-08-09", "url": "https://questionsmedicales.fr/article/37622108", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.3389/fimmu.2023.1213920" } }, { "@type": "ScholarlyArticle", "name": "What complements complement in transplant-associated thrombotic microangiopathy?", "datePublished": "2022-08-09", "url": "https://questionsmedicales.fr/article/35942659", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1111/bjh.18402" } } ], "breadcrumb": { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "questionsmedicales.fr", "item": "https://questionsmedicales.fr" }, { "@type": "ListItem", "position": 2, "name": "Technologie, industrie et agriculture", "item": "https://questionsmedicales.fr/mesh/D013676" }, { "@type": "ListItem", "position": 3, "name": "Technologie", "item": "https://questionsmedicales.fr/mesh/D013672" }, { "@type": "ListItem", "position": 4, "name": "Biotechnologie", "item": "https://questionsmedicales.fr/mesh/D001709" }, { "@type": "ListItem", "position": 5, "name": "Microbiologie industrielle", "item": "https://questionsmedicales.fr/mesh/D007218" } ] } }, { "@type": "MedicalWebPage", "name": "Article complet : Microbiologie industrielle - Questions et réponses", "headline": "Questions et réponses médicales fréquentes sur Microbiologie industrielle", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-16", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Microbiologie industrielle", "description": "Comment identifier les micro-organismes en industrie ?\nQuels tests sont utilisés pour le contrôle qualité ?\nComment détecter les contaminants microbiens ?\nQuelles sont les méthodes de détection des pathogènes ?\nComment évaluer la viabilité des micro-organismes ?", "url": "https://questionsmedicales.fr/mesh/D007218?mesh_terms=Complement+Activation&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Microbiologie industrielle", "description": "Quels sont les effets des micro-organismes en industrie ?\nComment les micro-organismes affectent-ils les produits ?\nQuels symptômes indiquent une contamination ?\nQuels sont les signes d'une fermentation indésirable ?\nComment reconnaître une infection microbienne ?", "url": "https://questionsmedicales.fr/mesh/D007218?mesh_terms=Complement+Activation&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Microbiologie industrielle", "description": "Comment prévenir la contamination en production ?\nQuelles sont les bonnes pratiques de fabrication ?\nComment gérer les déchets microbiologiques ?\nQuels équipements sont nécessaires pour la prévention ?\nComment former le personnel à la sécurité microbiologique ?", "url": "https://questionsmedicales.fr/mesh/D007218?mesh_terms=Complement+Activation&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Microbiologie industrielle", "description": "Quels traitements sont utilisés contre les contaminations ?\nComment prévenir les infections en milieu industriel ?\nQuels sont les traitements pour les produits contaminés ?\nComment traiter les infections causées par des pathogènes ?\nQuelles méthodes de biocontrôle existent ?", "url": "https://questionsmedicales.fr/mesh/D007218?mesh_terms=Complement+Activation&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Microbiologie industrielle", "description": "Quelles complications peuvent survenir en microbiologie industrielle ?\nComment les infections peuvent-elles affecter la production ?\nQuels sont les risques de résistance aux antibiotiques ?\nComment les contaminations affectent-elles la sécurité alimentaire ?\nQuelles sont les conséquences d'une mauvaise gestion des déchets ?", "url": "https://questionsmedicales.fr/mesh/D007218?mesh_terms=Complement+Activation&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Microbiologie industrielle", "description": "Quels facteurs augmentent le risque de contamination ?\nComment le personnel peut-il être un facteur de risque ?\nQuels environnements favorisent la prolifération microbienne ?\nComment les équipements mal entretenus augmentent-ils les risques ?\nQuels produits sont plus susceptibles d'être contaminés ?", "url": "https://questionsmedicales.fr/mesh/D007218?mesh_terms=Complement+Activation&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment identifier les micro-organismes en industrie ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "On utilise des techniques comme la culture, la PCR et le séquençage génétique." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour le contrôle qualité ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests microbiologiques, chimiques et physiques sont effectués pour garantir la qualité." } }, { "@type": "Question", "name": "Comment détecter les contaminants microbiens ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "On utilise des méthodes de détection rapide comme les tests ELISA et les milieux sélectifs." } }, { "@type": "Question", "name": "Quelles sont les méthodes de détection des pathogènes ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Les méthodes incluent la PCR, les cultures et les tests immunologiques spécifiques." } }, { "@type": "Question", "name": "Comment évaluer la viabilité des micro-organismes ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "On utilise des méthodes de coloration, de culture et des tests de respiration." } }, { "@type": "Question", "name": "Quels sont les effets des micro-organismes en industrie ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent provoquer des fermentations, des dégradations ou des contaminations." } }, { "@type": "Question", "name": "Comment les micro-organismes affectent-ils les produits ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent altérer le goût, l'odeur et la texture des produits alimentaires." } }, { "@type": "Question", "name": "Quels symptômes indiquent une contamination ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des changements de couleur, d'odeur ou de texture peuvent signaler une contamination." } }, { "@type": "Question", "name": "Quels sont les signes d'une fermentation indésirable ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des bulles, des odeurs désagréables et des changements de pH peuvent apparaître." } }, { "@type": "Question", "name": "Comment reconnaître une infection microbienne ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme la fièvre, la fatigue et des douleurs peuvent indiquer une infection." } }, { "@type": "Question", "name": "Comment prévenir la contamination en production ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Des pratiques d'hygiène rigoureuses et des contrôles réguliers sont essentiels." } }, { "@type": "Question", "name": "Quelles sont les bonnes pratiques de fabrication ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Suivre les normes HACCP et former le personnel sont des pratiques clés." } }, { "@type": "Question", "name": "Comment gérer les déchets microbiologiques ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Les déchets doivent être stérilisés et éliminés selon les réglementations en vigueur." } }, { "@type": "Question", "name": "Quels équipements sont nécessaires pour la prévention ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Des équipements de protection individuelle et des systèmes de filtration sont recommandés." } }, { "@type": "Question", "name": "Comment former le personnel à la sécurité microbiologique ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Des formations régulières sur les risques microbiologiques et les protocoles de sécurité sont cruciales." } }, { "@type": "Question", "name": "Quels traitements sont utilisés contre les contaminations ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "On utilise des désinfectants, des antibiotiques et des méthodes de pasteurisation." } }, { "@type": "Question", "name": "Comment prévenir les infections en milieu industriel ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Des protocoles d'hygiène stricts et des formations sont essentiels pour prévenir les infections." } }, { "@type": "Question", "name": "Quels sont les traitements pour les produits contaminés ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "La décontamination, la pasteurisation ou l'élimination des produits peuvent être nécessaires." } }, { "@type": "Question", "name": "Comment traiter les infections causées par des pathogènes ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des antibiotiques spécifiques et des traitements symptomatiques sont souvent utilisés." } }, { "@type": "Question", "name": "Quelles méthodes de biocontrôle existent ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "L'utilisation de micro-organismes bénéfiques pour inhiber les pathogènes est une méthode efficace." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir en microbiologie industrielle ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des contaminations croisées, des pertes de production et des problèmes de santé publique peuvent survenir." } }, { "@type": "Question", "name": "Comment les infections peuvent-elles affecter la production ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Les infections peuvent entraîner des arrêts de production et des pertes économiques significatives." } }, { "@type": "Question", "name": "Quels sont les risques de résistance aux antibiotiques ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "L'utilisation excessive d'antibiotiques peut conduire à des souches résistantes, compliquant les traitements." } }, { "@type": "Question", "name": "Comment les contaminations affectent-elles la sécurité alimentaire ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent entraîner des rappels de produits et des risques pour la santé des consommateurs." } }, { "@type": "Question", "name": "Quelles sont les conséquences d'une mauvaise gestion des déchets ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Une mauvaise gestion peut entraîner des contaminations environnementales et des risques sanitaires." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de contamination ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Des conditions de stockage inadéquates et un manque d'hygiène augmentent le risque." } }, { "@type": "Question", "name": "Comment le personnel peut-il être un facteur de risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Un personnel mal formé ou négligeant les protocoles peut introduire des contaminants." } }, { "@type": "Question", "name": "Quels environnements favorisent la prolifération microbienne ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les environnements humides et chauds sont propices à la prolifération des micro-organismes." } }, { "@type": "Question", "name": "Comment les équipements mal entretenus augmentent-ils les risques ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Des équipements non stérilisés ou mal entretenus peuvent devenir des sources de contamination." } }, { "@type": "Question", "name": "Quels produits sont plus susceptibles d'être contaminés ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Les produits alimentaires, les cosmétiques et les médicaments sont souvent à risque." } } ] } ] }

Sources (10000 au total)

Tear fluid and complement activation products in tears after ocular surgery.

Due to technological advancements, surgical invasiveness has been reduced. However, cataract surgery has been implicated in causing postoperative inflammation, including dry eye syndrome. The innate i... Forty-three patients (23 women; median age, 69 years) were enrolled in this prospective study and underwent phacoemulsification and vitrectomy. We measured Schirmer's test (ST) and CAPs in the tears a... The median ST (8.5 mm) at baseline increased to 16 mm at 4 days ( P < 0.001) and 10 mm at 1 month (P = 0.44). The C3a levels (1202 pg/ml) at baseline increased to 2753 pg/ml at 4 days (P < 0.001), and... The CAPs levels in tears increased after vitrectomy combined with cataract surgery. A preoperative deficit in tear secretion might induce prolonged complement activation and delayed recovery of ocular...

Complement activation profiles in anti-acetylcholine receptor positive myasthenia gravis.

Complement component 5 (C5) targeting therapies are clinically beneficial in patients with acetylcholine receptor antibody... In a case-control study, concentrations of C3a, C5a and sC5b9 were simultaneously quantified, indicating general activation of the complement system, whether via the classical and lectin pathways (C4a... Treatment-naïve patients with AChR-Ab... Markers indicative of complement activation are prominently increased in patients with AChR-Ab MG despite standard immunosuppressive therapies. Complement inhibition proximal to C5 cleavage should be ...

Zilucoplan, a macrocyclic peptide inhibitor of human complement component 5, uses a dual mode of action to prevent terminal complement pathway activation.

The complement system is a key component of the innate immune system, and its aberrant activation underlies the pathophysiology of various diseases. Zilucoplan is a macrocyclic peptide that binds and ... The interaction of zilucoplan with C5, including for clinical C5 R885 variants, was investigated using surface plasmon resonance (SPR), hemolysis assays, and ELISA. The interference of C5b6 formation ... Zilucoplan specifically bound human complement C5 with high affinity, competitively inhibited the binding of C5 to C3b, and blocked C5 cleavage by C5 convertases and the assembly of the cytolytic memb... Our findings demonstrate that zilucoplan uses a dual mode of action to potently inhibit the activation of C5 and terminal complement pathway including wild-type and clinical R885 variants that do not ...

Impact of neutrophil extracellular traps on fluid properties, blood flow and complement activation.

The intravascular formation of neutrophil extracellular traps (NETs) is a trigger for coagulation and blood vessel occlusion. NETs are released from neutrophils as a response to strong inflammatory si... In the present study, we used different microfluidic setups in combination with fluorescence microscopy to investigate the influence of neutrophil-derived extracellular DNA fibers on blood rheology, i... We found that extended DNA fiber networks decelerate blood flow and promote intravascular occlusion of blood vessels independent of the plasmatic coagulation. Associated with the DNA dependent occlusi... In conclusion, we found that DNA fibers as the principal component of NETs are sufficient to induce blood aggregation even in the absence of the coagulation system. Moreover, we discovered that comple...

Complement activation in severely ill patients with sepsis: no relationship with inflammation and disease severity.

Sepsis is characterized by a dysregulated immune response to infection. The complement system plays an important role in the host defence to pathogens. However, exaggerated complement activation might... Secondary analysis of complement factors in a prospective study in 209 hospitalized sepsis patients, of whom the majority presented with shock. Concentrations of complement factors C3, C3a, C3c, C5, C... The concentration of complement factors in plasma of severely ill sepsis patients indicated profound activation of the complement system (all P < 0.01 compared to healthy controls). Spearman rank corr... Once an infection progresses to severe sepsis or septic shock, the complement pathway is already profoundly activated and is no longer related to a dysregulated inflammatory response, nor to clinical ...

Role of Surface Charge of Nanoscale Ultrasound Contrast Agents in Complement Activation and Phagocytosis.

To prepare nanoscale ultrasound contrast agents (Nano-UCAs) and examine the role of their surface charge in complement activation and phagocytosis.... We analyzed serum proteins present in the corona formed on Nano-UCAs and evaluated two important protein markers of complement activation (C3 and SC5b-9). The effect of surface charge on phagocytosis ... When Nano-UCAs were incubated with human serum, they were opsonized by various blood proteins, especially C3. Highly charged Nano-UCAs, whether positive or negative, were favorably opsonized by comple... Charged Nano-UCAs show a higher tendency to activated complement system, and are efficiently engulfed by macrophages. The present results provide meaningful insights into the role of the surface charg...