Titre : Lutéine

Lutéine : Questions médicales fréquentes

Termes MeSH sélectionnés :

Leukocyte L1 Antigen Complex
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"description": "Comment traiter une carence en lutéine ?\nQuels aliments sont riches en lutéine ?\nLes suppléments sont-ils efficaces ?\nY a-t-il des effets secondaires des suppléments ?\nCombien de lutéine devrais-je consommer par jour ?", "url": "https://questionsmedicales.fr/mesh/D014975?mesh_terms=Leukocyte+L1+Antigen+Complex&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Lutéine", "description": "Quelles complications peuvent survenir avec une carence ?\nLa lutéine aide-t-elle à prévenir la cataracte ?\nY a-t-il un lien entre lutéine et maladies cardiovasculaires ?\nUne carence peut-elle affecter la qualité de vie ?\nLes personnes âgées sont-elles plus à risque ?", "url": "https://questionsmedicales.fr/mesh/D014975?mesh_terms=Leukocyte+L1+Antigen+Complex&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Lutéine", "description": "Quels facteurs augmentent le risque de carence ?\nLe tabagisme influence-t-il la lutéine ?\nLes régimes végétaliens sont-ils à risque ?\nL'âge est-il un facteur de risque ?\nLes maladies chroniques affectent-elles la lutéine ?", "url": "https://questionsmedicales.fr/mesh/D014975?mesh_terms=Leukocyte+L1+Antigen+Complex&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une carence en lutéine ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un diagnostic peut être fait par des tests sanguins mesurant les niveaux de lutéine." } }, { "@type": "Question", "name": "Quels symptômes indiquent un manque de lutéine ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des problèmes de vision, fatigue oculaire et sensibilité à la lumière peuvent survenir." } }, { "@type": "Question", "name": "Y a-t-il des tests spécifiques pour la lutéine ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de spectrophotométrie peuvent mesurer la concentration de lutéine dans le sang." } }, { "@type": "Question", "name": "Peut-on évaluer la lutéine par l'alimentation ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'analyse des habitudes alimentaires peut indiquer une consommation insuffisante." } }, { "@type": "Question", "name": "Les examens oculaires peuvent-ils détecter une carence ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des examens peuvent révéler des signes de dégénérescence maculaire liée à l'âge." } }, { "@type": "Question", "name": "Quels sont les signes d'une carence en lutéine ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les signes incluent une vision floue, une fatigue oculaire et une sensibilité accrue à la lumière." } }, { "@type": "Question", "name": "La lutéine affecte-t-elle la santé oculaire ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle protège contre les dommages oxydatifs et réduit le risque de maladies oculaires." } }, { "@type": "Question", "name": "Peut-on ressentir des douleurs oculaires ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Une carence peut entraîner des douleurs oculaires dues à une fatigue excessive." } }, { "@type": "Question", "name": "Y a-t-il des effets sur la vision nocturne ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Une carence en lutéine peut affecter la vision nocturne, rendant la vision moins claire." } }, { "@type": "Question", "name": "Des maux de tête peuvent-ils être liés à la lutéine ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maux de tête peuvent survenir en raison de la fatigue oculaire liée à une carence." } }, { "@type": "Question", "name": "Comment prévenir une carence en lutéine ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Consommer régulièrement des aliments riches en lutéine et envisager des suppléments si nécessaire." } }, { "@type": "Question", "name": "Les antioxydants aident-ils la lutéine ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les antioxydants peuvent aider à protéger la lutéine dans l'organisme et améliorer la santé oculaire." } }, { "@type": "Question", "name": "Faut-il des bilans de santé réguliers ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des bilans réguliers peuvent aider à surveiller les niveaux de lutéine et la santé oculaire." } }, { "@type": "Question", "name": "Les habitudes alimentaires influencent-elles la lutéine ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une alimentation équilibrée riche en légumes verts et fruits favorise des niveaux adéquats." } }, { "@type": "Question", "name": "Le mode de vie affecte-t-il la lutéine ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sain, incluant l'exercice, peut améliorer l'absorption de la lutéine." } }, { "@type": "Question", "name": "Comment traiter une carence en lutéine ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement inclut des suppléments de lutéine et une augmentation de la consommation d'aliments riches." } }, { "@type": "Question", "name": "Quels aliments sont riches en lutéine ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Les épinards, le chou frisé, le maïs et les jaunes d'œufs sont de bonnes sources." } }, { "@type": "Question", "name": "Les suppléments sont-ils efficaces ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les suppléments de lutéine peuvent améliorer les niveaux et la santé oculaire." } }, { "@type": "Question", "name": "Y a-t-il des effets secondaires des suppléments ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Les suppléments de lutéine sont généralement sûrs, mais des doses excessives peuvent causer des troubles digestifs." } }, { "@type": "Question", "name": "Combien de lutéine devrais-je consommer par jour ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "La dose recommandée varie, mais environ 6 à 10 mg par jour est souvent suggérée." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une carence ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Une carence prolongée peut entraîner des maladies oculaires graves comme la dégénérescence maculaire." } }, { "@type": "Question", "name": "La lutéine aide-t-elle à prévenir la cataracte ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la lutéine peut réduire le risque de cataracte en protégeant les cellules oculaires." } }, { "@type": "Question", "name": "Y a-t-il un lien entre lutéine et maladies cardiovasculaires ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Des études suggèrent que la lutéine pourrait avoir un effet protecteur contre les maladies cardiovasculaires." } }, { "@type": "Question", "name": "Une carence peut-elle affecter la qualité de vie ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des problèmes de vision peuvent réduire la qualité de vie et l'autonomie." } }, { "@type": "Question", "name": "Les personnes âgées sont-elles plus à risque ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes âgées sont plus susceptibles de souffrir de carences en lutéine et de maladies oculaires." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de carence ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation pauvre en fruits et légumes, ainsi que des problèmes d'absorption intestinale." } }, { "@type": "Question", "name": "Le tabagisme influence-t-il la lutéine ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme peut réduire les niveaux de lutéine et augmenter le risque de maladies oculaires." } }, { "@type": "Question", "name": "Les régimes végétaliens sont-ils à risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les régimes végétaliens peuvent manquer de sources de lutéine, nécessitant une attention particulière." } }, { "@type": "Question", "name": "L'âge est-il un facteur de risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le risque de carence en lutéine augmente avec l'âge en raison de l'absorption réduite." } }, { "@type": "Question", "name": "Les maladies chroniques affectent-elles la lutéine ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Certaines maladies chroniques peuvent altérer l'absorption de la lutéine et augmenter le risque." } } ] } ] }

Sources (10000 au total)

Advances in desensitization for human leukocyte antigen incompatible kidney transplantation.

Human leukocyte antigen (HLA) sensitization is a major barrier to kidney transplantation induced by exposure to alloantigens through pregnancy, blood product exposure and previous transplantations. De... Newer desensitization strategies such as imlifidase [immunoglobulin G (IgG) endopeptidase] rapidly inactivates IgG molecules and creates an "antibody-free zone", representing an important advancement ... Use of these agents alone or in combination will likely improve the efficacy and durability of desensitization therapies, improving access to kidney transplantation for immunologically disadvantaged p...

Eligibility for Human Leukocyte Antigen-Based Therapeutics by Race and Ethnicity.

The development of therapeutics for patients who are positive for specific human leukocyte antigen (HLA) subtypes evokes the question of whether certain racial and ethnic groups are more or less likel... To determine whether racial and ethnic inequities were present with regard to trial eligibility in trials investigating a therapeutic restricted to patients with specific HLA subtypes.... This cross-sectional study included all clinical trials registered in ClinicalTrials.gov through March 18, 2022, that investigated an interventional study of a therapeutic strategy and restricted part... The type of therapeutics used in trials, the condition under study, the HLA subtypes used, and the likelihood of being enrolled in such a trial according to race and ethnicity.... Of 2135 trials identified, 263 met inclusion criteria. Overall, the estimated likelihood of being eligible for an HLA-based trial was 50.3%. Individuals of African American descent had the lowest like... The findings of this cross-sectional study suggest that enrollment restrictions for clinical trials investigating novel HLA therapeutics may be associated with racial and ethnic inequities with regard...

Human Leukocyte Antigen-DQ Genotyping in Pediatric Celiac Disease.

The purpose of this study was to determine the pattern of human leukocyte antigen (HLA)-DQ genotype in children diagnosed with celiac disease (CD) (biopsy proven), and to compare this with a control g... This cross-sectional comparative observational study included 26 controls and 52 patients diagnosed with CD who presented at Sir Padampat Mother and Child Health Institute, Jaipur, from May, 2017 to O... HLA DQ2/DQ8 genotypes were significantly more common in CD (present in 100.0% cases) than in controls (23.1%) in Northern India (Rajasthan). When HLA DQ2.5 and DQ8 were present together, individuals h... HLA DQ2/DQ8 genotypes are strongly associated with pediatric CD patients in northern India. These genotypes and their combinations may be associated with different clinical presentations of CD, and ma...

How to measure human leukocyte antigen-specific B cells.

The implementation of highly sensitive immune assays measuring anti-human leukocyte antigen (HLA) antibodies has modified alloimmune risk stratification and diagnosis of rejection. Nonetheless, anti-H... Functional assays involving ex vivo polyclonal activation of mBC have been refined to allow the detection of HLA-specific mBC capable of producing anti-HLA Abs, using different and complementary detec... Technological refinements have allowed the development of tests detecting HLA-specific mBC. Further evaluation of these assays in clinical trials, both for immune risk stratification and to assess tre...

Heart Transplant Human Leukocyte Antigen Matching in the Modern Era.

Although numerous reports have studied the consequences of human leukocyte antigen (HLA) mismatching in renal transplantation, there are limited and outdated data analyzing this association in thoraci... We performed a retrospective analysis of adult patients after heart transplant by using the United Network for Organ Sharing database from January 2005-July 2021. Total HLA and HLA-A, HLA-B and HLA-DR... A total of 33,060 patients were included in this study. Recipients with a high degree of HLA mismatching had increased incidences of acute organ rejection. There were no significant differences in mor... Our analysis suggests that HLA mismatch is not a significant predictor of survival in the modern era. Overall, the clinical implications of this study provide reassuring data for the continued use of ...

Human leukocyte antigen variants associate with BNT162b2 mRNA vaccine response.

Since the beginning of the anti-COVID-19 vaccination campaign, it has become evident that vaccinated subjects exhibit considerable inter-individual variability in the response to the vaccine that coul... We carried out a genome-wide association study to investigate the genetic determinants of the antibody response to the Pfizer-BioNTech vaccine in an Italian cohort of 1351 subjects recruited in three ... Our study confirms the involvement of the HLA locus and shows significant associations with variants in HLA-A, HLA-DQA1, and HLA-DQB1 genes. In particular, the HLA-A*03:01 allele is the most significa... These results support the hypothesis that HLA genes modulate the response to Pfizer-BioNTech vaccine and highlight the need for genetic studies in diverse populations and for functional studies aimed ...

Association study of human leukocyte antigen variants and idiopathic pulmonary fibrosis.

Idiopathic pulmonary fibrosis (IPF) is a chronic interstitial pneumonia marked by progressive lung fibrosis and a poor prognosis. Recent studies have highlighted the potential role of infection in the... We performed a meta-analysis of associations of the HLA region with IPF risk in individuals of European ancestry from seven independent case-control studies of IPF (comprising 5159 cases and 27 459 co... The meta-analysis of all seven studies identified four significant independent single nucleotide polymorphisms associated with IPF risk. However, none met the posterior probability for replication cri... Variation in the HLA region was not consistently associated with risk in studies of IPF. However, this does not preclude the possibility that other genomic regions linked to the immune response may be...

Loss of Human Leukocyte Antigen and Immune Escape in Head and Neck Cancer.

Cancer cells evade recognition by the immune system to survive. Head and neck squamous cell carcinoma (HNSCC) is characterized by high levels of immune infiltration and mutation-associated neoantigens... Cross-sectional integrated clinical and genomic analysis.... Whole-exome sequencing and RNA-sequencing data from 522 tumors profiled in The Cancer Genome Atlas HNSCC cohort were analyzed and integrated with secondary analyses including immune cell deconvolution... HLA LOH was a prevalent event that was identified in 53% of HNSCC tumors; in many cases, more than one class I HLA gene was targeted for LOH. HLA LOH was more common in advanced-stage tumors. Tumors w... HLA LOH is one of the most prevalent genetic alterations in HNSCC, and is associated with a cold immune microenvironment, suggesting that HLA LOH is a means of immune evasion. It may have value as a p... 3 Laryngoscope, 2023....