questionsmedicales.fr
Acides aminés, peptides et protéines
Protéines
Flavoprotéines
Flavoprotéines : Questions médicales fréquentes
Diagnostic
5
Carence en flavoprotéines
Flavoprotéines
Tests sanguins
Électrophorèse des protéines
Flavoprotéines
Dosage enzymatique
Symptômes
Flavoprotéines
Fatigue
Riboflavine
Flavoprotéines
Marqueurs biologiques
Activité enzymatique
Flavoprotéines
Oxydase
Symptômes
5
Carence en flavoprotéines
Fatigue
Troubles métaboliques
Problèmes cutanés
Flavoprotéines
Carence
Troubles neurologiques
Flavoprotéines
Maux de tête
Troubles digestifs
Flavoprotéines
Carence
Fatigue
Flavoprotéines
Énergie cellulaire
Prévention
5
Prévention
Flavoprotéines
Alimentation équilibrée
Groupes à risque
Flavoprotéines
Végétariens
Recommandations diététiques
Flavoprotéines
Produits laitiers
Suppléments
Riboflavine
Prévention
Apport alimentaire
Flavoprotéines
Nutritionniste
Traitements
5
Carence en flavoprotéines
Riboflavine
Flavonoïdes
Suppléments
Riboflavine
Carence
Aliments
Flavoprotéines
Riboflavine
Traitement
Flavoprotéines
Ajustements diététiques
Alimentation
Flavoprotéines
Restauration
Complications
5
Complications
Carence en flavoprotéines
Troubles métaboliques
Complications
Traitement
Réversibilité
Maladies chroniques
Flavoprotéines
Carence
Qualité de vie
Complications
Fatigue
Prévention
Complications
Suivi médical
Facteurs de risque
5
Facteurs de risque
Carence en flavoprotéines
Régimes restrictifs
Personnes âgées
Flavoprotéines
Absorption des nutriments
Végétariens
Carence en flavoprotéines
Régime alimentaire
Alcoolisme
Flavoprotéines
Métabolisme
Maladies digestives
Flavoprotéines
Maladie cœliaque
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"@type": "Question",
"name": "Des suppléments sont-ils nécessaires pour les flavoprotéines ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des suppléments de riboflavine peuvent être prescrits en cas de carence sévère."
}
},
{
"@type": "Question",
"name": "Quels aliments sont riches en flavoprotéines ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les produits laitiers, les œufs, et les légumes verts sont de bonnes sources."
}
},
{
"@type": "Question",
"name": "Y a-t-il des traitements spécifiques pour les troubles liés aux flavoprotéines ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement dépend des symptômes, souvent avec des ajustements diététiques."
}
},
{
"@type": "Question",
"name": "Les flavoprotéines peuvent-elles être restaurées par l'alimentation ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation équilibrée peut restaurer les niveaux de flavoprotéines."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec une carence en flavoprotéines ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications comme des troubles métaboliques et neurologiques peuvent apparaître."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles réversibles ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, avec un traitement approprié, la plupart des complications peuvent être réversibles."
}
},
{
"@type": "Question",
"name": "Des maladies chroniques sont-elles liées aux flavoprotéines ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines maladies métaboliques peuvent être exacerbées par une carence en flavoprotéines."
}
},
{
"@type": "Question",
"name": "Comment les complications affectent-elles la qualité de vie ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications peuvent réduire la qualité de vie en provoquant fatigue et douleurs."
}
},
{
"@type": "Question",
"name": "Les complications peuvent-elles être évitées ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation adéquate et un suivi médical régulier peuvent prévenir les complications."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour les carences en flavoprotéines ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les régimes restrictifs, l'alcoolisme et certaines maladies digestives augmentent le risque."
}
},
{
"@type": "Question",
"name": "Les personnes âgées sont-elles plus à risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le vieillissement peut affecter l'absorption des nutriments, y compris les flavoprotéines."
}
},
{
"@type": "Question",
"name": "Les végétariens sont-ils à risque de carence ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les végétariens peuvent manquer de sources de flavoprotéines si leur régime est mal équilibré."
}
},
{
"@type": "Question",
"name": "L'alcoolisme influence-t-il les niveaux de flavoprotéines ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'alcoolisme peut interférer avec l'absorption et le métabolisme des flavoprotéines."
}
},
{
"@type": "Question",
"name": "Les maladies digestives augmentent-elles le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme la maladie cœliaque peuvent réduire l'absorption des flavoprotéines."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 22/03/2026
Contenu vérifié selon les dernières recommandations médicales
6 publications dans cette catégorie
Affiliations :
Molecular Enzymology Group, University of Groningen, Groningen, The Netherlands. Electronic address: m.w.fraaije@rug.nl.
6 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of Kentucky, Lexington, KY 40506, USA. Electronic address: afmill3r2@gmail.com.
4 publications dans cette catégorie
Affiliations :
Institut für Physik, Carl von Ossietzky Universität Oldenburg, Carl-von Ossietzky-Str. 9-11, 26129 Oldenburg, Germany.
Research Center for Neurosensory Science, Carl von Ossietzky Universität Oldenburg, Carl-von-Ossietzky-Str. 9-11, 26129 Oldenburg, Germany.
Center for Nanoscale Dynamics (CENAD), Carl von Ossietzky Universität Oldenburg, Carl-von-Ossietzky-Str. 9-11, 26129 Oldenburg, Germany.
Publications dans "Flavoprotéines" :
4 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of Kentucky, Lexington, Kentucky, USA.
Publications dans "Flavoprotéines" :
3 publications dans cette catégorie
Affiliations :
Molecular Enzymology Group, University of Groningen, Groningen, The Netherlands.
Publications dans "Flavoprotéines" :
3 publications dans cette catégorie
Affiliations :
Molecular Biology Division, San Francisco VA Health Care System, San Francisco, CA 94121, United States; Department of Biochemistry & Biophysics, University of California, San Francisco, CA 94158, United States.
Publications dans "Flavoprotéines" :
3 publications dans cette catégorie
Affiliations :
Molecular Biology Division, San Francisco VA Health Care System, San Francisco, CA 94121, United States; Department of Biochemistry & Biophysics, University of California, San Francisco, CA 94158, United States. Electronic address: gary.cecchini@ucsf.edu.
Publications dans "Flavoprotéines" :
3 publications dans cette catégorie
Affiliations :
LOB, CNRS, INSERM, Ecole Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau Cedex, France.
Publications dans "Flavoprotéines" :
3 publications dans cette catégorie
Affiliations :
OcuSciences Inc., Ann Arbor, MI, USA.
Publications dans "Flavoprotéines" :
3 publications dans cette catégorie
Affiliations :
Case Western Reserve University School of Medicine, Cleveland, OH, USA. SINGHR@ccf.org.
Cole Eye Institute, Cleveland Clinic, Cleveland, OH, USA. SINGHR@ccf.org.
Center for Ophthalmic Bioinformatics, Cole Eye Institute, Cleveland Clinic, Cleveland, OH, USA. SINGHR@ccf.org.
Publications dans "Flavoprotéines" :
3 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of Kentucky, Lexington, KY 40506, USA.
Publications dans "Flavoprotéines" :
2 publications dans cette catégorie
Affiliations :
Institut für Analytische Chemie, Universität Leipzig, Linnéstr. 3, 04103 Leipzig, Germany.
Publications dans "Flavoprotéines" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Stony Brook University, Stony Brook, NY, United States.
Publications dans "Flavoprotéines" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Stony Brook University, Stony Brook, NY, United States; Department of Radiology, Stony Brook University, Stony Brook, NY, United States; Center for Advanced Study of Drug Action, Stony Brook University, Stony Brook, NY, United States. Electronic address: peter.tonge@stonybrook.edu.
Publications dans "Flavoprotéines" :
2 publications dans cette catégorie
Affiliations :
Department of Biology and Biotechnology, University of Pavia, Pavia, Italy.
Publications dans "Flavoprotéines" :
2 publications dans cette catégorie
Affiliations :
Microbial Biotechnology, Faculty of Biology and Biotechnology, Ruhr-Universität Bochum, Universitätsstrasse 150, 44780 Bochum, Germany.
Publications dans "Flavoprotéines" :
2 publications dans cette catégorie
Affiliations :
Microbial Biotechnology, Faculty of Biology and Biotechnology, Ruhr-Universität Bochum, Universitätsstrasse 150, 44780 Bochum, Germany.
Publications dans "Flavoprotéines" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands. Electronic address: willem.vanberkel@wur.nl.
Publications dans "Flavoprotéines" :
2 publications dans cette catégorie
Affiliations :
Department of Pharmacology, Vanderbilt University, Nashville, TN 37232, United States.
Publications dans "Flavoprotéines" :
2 publications dans cette catégorie
Affiliations :
Department of Pharmacology, Vanderbilt University, Nashville, TN 37232, United States; Department of Biochemistry, Vanderbilt University, Nashville, TN 37232, United States; Center for Structural Biology, Vanderbilt University, Nashville, TN 37232, United States; Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, TN 37232, United States. Electronic address: tina.iverson@vanderbilt.edu.
Publications dans "Flavoprotéines" :
Previously, we isolated a riboflavin-overproducing Ashbya gossypii mutant (MT strain) and discovered some mutations in genes encoding flavoproteins. Here, we analyzed the riboflavin production in the ...
In the MT strain, mitochondrial membrane potential was decreased compared with that in the wild type (WT) strain, resulting in increased reactive oxygen species. Additionally, diphenyleneiodonium (DPI...
The significance of branched-chain amino acids for riboflavin production in A. gossypii is reported and this study opens a novel approach for the effective production of riboflavin in A. gossypii....
LanD flavoproteins catalyze oxidative decarboxylation of the C-terminal Cys residue of a peptide to produce an enethiol. This enethiol is highly reactive and can be coupled with an upstream dehydroami...
Hyperpolarization via the solid-state photochemically induced dynamic nuclear polarization (photo-CIDNP) effect can be detected in frozen solutions of electron transfer proteins generating a radical-p...
The dimethyl sulfone monooxygenase system is a two-component flavoprotein, catalyzing the monooxygenation of dimethyl sulfone (DMSO...
The interconversion between fumarate and succinate is fundamental to the energy metabolism of nearly all organisms. This redox reaction is catalyzed by a large family of enzymes, fumarate reductases a...
Gene defects contribute to the aetiology of intrahepatic cholestasis. We aimed to explore the outcome of whole-exome sequencing (WES) in a cohort of 51 patients with this diagnosis....
Both paediatric (n = 33) and adult (n = 18) patients with cholestatic liver disease of unknown aetiology were eligible. WES was used for reassessment of 34 patients (23 children) without diagnostic ge...
WES revealed biallelic variation in 3 ciliopathy genes (PKHD1, TMEM67 and IFT172) in 4 clinically unrelated index subjects (3 children and 1 adult), heterozygosity for a known variant in PPOX in one a...
Our findings suggest association of IFT172 variants with non-syndromic cholestatic liver disease....
We apply an integrated approach combining microsecond MD simulations and (polarizable) QM/MM calculations of NMR, FTIR, and UV-vis spectra to validate the structure of the light-activated form of the ...
Flavodoxins are enzymes that contain the redox-active flavin mononucleotide (FMN) cofactor and play a crucial role in numerous biological processes, including energy conversion and electron transfer. ...
Variegate porphyria is caused by mutations in the PPOX gene; it usually presents in adolescents and adults as an autosomal dominant condition, with cutaneous features or acute peripheral and/or centra...
This study is a retrospective review of the patients' charts, including their clinical evaluation and molecular genetics, neurodiagnostic, and neuroradiological investigations....
We describe here three children from a consanguineous family who presented with nystagmus, developmental delay and ataxia, photosensitive skin manifestations, and adrenal insufficiency. Analysis of po...
We recommend analysis of porphyrins in unexplained hypomyelination disorders. Patients with variegate porphyria should be tested for adrenal insufficiency....
Charcot-Marie-Tooth disease type 4J (CMT4J) is caused by autosomal recessive variants in the...
This cross-sectional study enrolled children and adults with genetically confirmed CMT4J, with 2 documented disease-causing variants in the...
We recruited a total of 19 patients, including 14 pediatric patients (mean age 10.9 ± 3.9 years) and 5 adults (mean age 40.0 ± 13.9 years). The most frequent symptoms were gross motor delay and distal...
We obtained baseline clinical and biomarker data in a broad cohort with CMT4J in pediatric and adult patients. Motor delay, muscle weakness, and respiratory and cognitive difficulties were the most co...