Titre : Stabilité de l'ARN

Stabilité de l'ARN : Questions médicales fréquentes

Termes MeSH sélectionnés :

Network Meta-Analysis
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liés à l'instabilité de l'ARN ?\nL'instabilité de l'ARN peut-elle causer des maladies ?\nQuels signes cliniques sont observés ?\nY a-t-il des symptômes spécifiques aux maladies liées à l'ARN ?\nComment l'instabilité de l'ARN affecte-t-elle la santé ?", "url": "https://questionsmedicales.fr/mesh/D020871?mesh_terms=Network+Meta-Analysis&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Stabilité de l'ARN", "description": "Comment prévenir l'instabilité de l'ARN ?\nY a-t-il des facteurs environnementaux à éviter ?\nL'exercice physique influence-t-il l'ARN ?\nDes suppléments peuvent-ils aider ?\nComment le stress affecte-t-il l'ARN ?", "url": "https://questionsmedicales.fr/mesh/D020871?mesh_terms=Network+Meta-Analysis&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Stabilité de l'ARN", "description": "Quels traitements ciblent l'instabilité de l'ARN ?\nPeut-on utiliser des inhibiteurs pour stabiliser l'ARN ?\nQuels médicaments sont efficaces contre l'instabilité de l'ARN ?\nComment la thérapie génique aide-t-elle ?\nY a-t-il des traitements expérimentaux ?", "url": "https://questionsmedicales.fr/mesh/D020871?mesh_terms=Network+Meta-Analysis&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Stabilité de l'ARN", "description": "Quelles complications peuvent survenir ?\nL'instabilité de l'ARN peut-elle entraîner des cancers ?\nQuels troubles métaboliques sont liés à l'ARN ?\nY a-t-il des risques neurologiques ?\nComment l'instabilité de l'ARN affecte-t-elle le système immunitaire ?", "url": "https://questionsmedicales.fr/mesh/D020871?mesh_terms=Network+Meta-Analysis&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Stabilité de l'ARN", "description": "Quels facteurs génétiques influencent l'ARN ?\nL'âge est-il un facteur de risque ?\nLes infections virales impactent-elles l'ARN ?\nLe tabagisme influence-t-il l'ARN ?\nY a-t-il des facteurs nutritionnels à considérer ?", "url": "https://questionsmedicales.fr/mesh/D020871?mesh_terms=Network+Meta-Analysis&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment évaluer la stabilité de l'ARN ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "On utilise des techniques comme le Northern blot et la PCR en temps réel." } }, { "@type": "Question", "name": "Quels marqueurs indiquent une instabilité de l'ARN ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des niveaux élevés de dégradation et des variations dans l'expression génique peuvent indiquer une instabilité." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour mesurer l'ARN ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Les tests incluent l'électrophorèse et les analyses de séquençage." } }, { "@type": "Question", "name": "Peut-on détecter des anomalies d'ARN ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des techniques comme le séquençage de nouvelle génération peuvent détecter des anomalies." } }, { "@type": "Question", "name": "Quel rôle joue l'ARNm dans le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "L'ARNm est crucial pour évaluer l'expression des gènes associés à des maladies." } }, { "@type": "Question", "name": "Quels symptômes sont liés à l'instabilité de l'ARN ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes variés peuvent apparaître, selon la maladie sous-jacente, comme la fatigue." } }, { "@type": "Question", "name": "L'instabilité de l'ARN peut-elle causer des maladies ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est liée à des maladies comme certains cancers et des troubles neurodégénératifs." } }, { "@type": "Question", "name": "Quels signes cliniques sont observés ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les signes peuvent inclure des anomalies de croissance ou des troubles métaboliques." } }, { "@type": "Question", "name": "Y a-t-il des symptômes spécifiques aux maladies liées à l'ARN ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des symptômes spécifiques peuvent inclure des troubles neurologiques ou immunitaires." } }, { "@type": "Question", "name": "Comment l'instabilité de l'ARN affecte-t-elle la santé ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut perturber l'expression génique, entraînant des dysfonctionnements cellulaires." } }, { "@type": "Question", "name": "Comment prévenir l'instabilité de l'ARN ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée et un mode de vie sain peuvent aider à maintenir la stabilité de l'ARN." } }, { "@type": "Question", "name": "Y a-t-il des facteurs environnementaux à éviter ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exposition à des toxines et à des radiations peut affecter la stabilité de l'ARN." } }, { "@type": "Question", "name": "L'exercice physique influence-t-il l'ARN ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exercice régulier peut améliorer la santé cellulaire et la stabilité de l'ARN." } }, { "@type": "Question", "name": "Des suppléments peuvent-ils aider ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Certains suppléments, comme les antioxydants, peuvent soutenir la stabilité de l'ARN." } }, { "@type": "Question", "name": "Comment le stress affecte-t-il l'ARN ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Le stress chronique peut altérer la stabilité de l'ARN et affecter l'expression génique." } }, { "@type": "Question", "name": "Quels traitements ciblent l'instabilité de l'ARN ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des thérapies géniques et des médicaments stabilisateurs d'ARN sont en développement." } }, { "@type": "Question", "name": "Peut-on utiliser des inhibiteurs pour stabiliser l'ARN ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains inhibiteurs peuvent réduire la dégradation de l'ARN dans les cellules." } }, { "@type": "Question", "name": "Quels médicaments sont efficaces contre l'instabilité de l'ARN ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments comme les antisens oligonucleotides sont utilisés pour cibler l'ARN." } }, { "@type": "Question", "name": "Comment la thérapie génique aide-t-elle ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut corriger les défauts d'ARN, améliorant ainsi l'expression génique." } }, { "@type": "Question", "name": "Y a-t-il des traitements expérimentaux ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des essais cliniques testent de nouvelles approches pour stabiliser l'ARN." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des maladies génétiques, des cancers et des troubles métaboliques." } }, { "@type": "Question", "name": "L'instabilité de l'ARN peut-elle entraîner des cancers ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'instabilité de l'ARN est souvent associée à des mécanismes tumoraux." } }, { "@type": "Question", "name": "Quels troubles métaboliques sont liés à l'ARN ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Des troubles comme le diabète et l'obésité peuvent être influencés par l'instabilité de l'ARN." } }, { "@type": "Question", "name": "Y a-t-il des risques neurologiques ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maladies neurodégénératives peuvent être exacerbées par l'instabilité de l'ARN." } }, { "@type": "Question", "name": "Comment l'instabilité de l'ARN affecte-t-elle le système immunitaire ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut altérer la réponse immunitaire, rendant l'organisme plus vulnérable aux infections." } }, { "@type": "Question", "name": "Quels facteurs génétiques influencent l'ARN ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Des mutations dans des gènes régulateurs peuvent affecter la stabilité de l'ARN." } }, { "@type": "Question", "name": "L'âge est-il un facteur de risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le vieillissement peut affecter la stabilité de l'ARN et l'expression génique." } }, { "@type": "Question", "name": "Les infections virales impactent-elles l'ARN ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Certaines infections virales peuvent perturber la stabilité de l'ARN dans les cellules hôtes." } }, { "@type": "Question", "name": "Le tabagisme influence-t-il l'ARN ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme peut induire des modifications qui affectent la stabilité de l'ARN." } }, { "@type": "Question", "name": "Y a-t-il des facteurs nutritionnels à considérer ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une carence en nutriments essentiels peut compromettre la stabilité de l'ARN." } } ] } ] }

Sources (10000 au total)

Diagnostic yield and safety of diagnostic techniques for pulmonary lesions: systematic review, meta-analysis and network meta-analysis.

With recent advancements in bronchoscopic procedures, data on the best modality to sample peripheral pulmonary lesions (PPLs) is lacking, especially comparing bronchoscopy with computed tomography-gui... We performed a meta-analysis, pairwise meta-analysis and network meta-analysis on studies reporting diagnostic yield and complications with the use of CT-TBNA, radial endobronchial ultrasound (rEBUS),... We included 363 studies. The overall pooled diagnostic yield was 78.1%, the highest with CT-TBNA (88.9%), followed by RAB (84.8%) and the least with rEBUS (72%). In the pairwise meta-analysis, only rE... Although CT-TBNA is the most effective approach to sample PPLs, RAB has a comparable diagnostic yield with a lesser complication rate. Further prospective studies are needed comparing CT-TBNA and RAB....

Topical anti-inflammatory treatments for eczema: network meta-analysis.

Eczema (atopic dermatitis) is the most burdensome skin condition worldwide and cannot currently be prevented or cured. Topical anti-inflammatory treatments are used to control eczema symptoms, but the... To compare and rank the efficacy and safety of topical anti-inflammatory treatments for people with eczema using a network meta-analysis.... We searched the Cochrane Skin Specialised Register, CENTRAL, MEDLINE, Embase and trial registries on 29 June 2023, and checked the reference lists of included studies.... We included within-participant or between-participant randomised controlled trials (RCTs) in people of any age with eczema of any severity, but excluded trials in clinically infected eczema, seborrhoe... We used standard Cochrane methods. Primary outcomes were patient-reported eczema symptoms, clinician-reported eczema signs and investigator global assessment. Secondary outcomes were health-related qu... We included 291 studies involving 45,846 participants with the full spectrum of eczema severity, mainly conducted in high-income countries in secondary care settings. Most studies included adults, wit... Potent TCS, JAK inhibitors and tacrolimus 0.1% were consistently ranked as amongst the most effective topical anti-inflammatory treatments for eczema and PDE-4 inhibitors as amongst the least effectiv...

Systemic corticosteroids for the prevention of bronchopulmonary dysplasia, a network meta-analysis.

Despite considerable improvement in outcomes for preterm infants, rates of bronchopulmonary dysplasia (BPD) remain high, affecting an estimated 33% of very low birthweight infants, with corresponding ... To determine whether differences in efficacy and safety exist between high-dose dexamethasone, moderate-dose dexamethasone, low-dose dexamethasone, hydrocortisone, and placebo in the prevention of BPD... We searched the Cochrane Library for all systematic reviews of systemic corticosteroids for the prevention of BPD and searched for completed and ongoing studies in the following databases in January 2... We included randomized controlled trials (RCTs) in preterm infants (< 37 weeks' gestation) at risk for BPD that evaluated systemic corticosteroids (high-dose [≥ 4 mg/kg cumulative dose] dexamethasone,... Our main information sources were the systematic reviews, with reference to the original manuscript only for data not included in these reviews. Teams of two paired review authors independently perfor... We included 59 studies, involving 6441 infants, in our analyses. Only six of the included studies provided direct comparisons between any of the treatment (dexamethasone or hydrocortisone) groups, for... Low-dose dexamethasone increased the risk for cerebral palsy (RR 1.92, 95% CI 1.12 to 3.28; moderate-certainty evidence) compared with control. Hydrocortisone may decrease the risk of major neurosenso... No effect was observed for the outcomes of major neurosensory disability or cerebral palsy. The evidence for the primary outcomes was of overall low certainty, with notable deductions for imprecision ... While early treatment with moderate-dose dexamethasone or late treatment with high-dose dexamethasone may lead to the best effects for survival without BPD, the certainty of the evidence is low. There...

Percutaneous coronary intervention in calcified stenoses: a protocol for a systematic review with meta-analysis, trial sequential analysis and network meta-analysis.

Severely calcified coronary stenoses are difficult to treat with percutaneous coronary interventions. The presence of severe calcifications complicates lesion preparation, advancement of stents and ac... We will conduct a systematic review of randomised trials enrolling patients with calcified coronary artery disease undergoing percutaneous coronary intervention. We will investigate any percutaneous t... No ethics approval is required for this study. The results will be published in a peer-reviewed journal in this field.... CRD42021226034....

Adverse effects of immunotherapies for multiple sclerosis: a network meta-analysis.

Multiple sclerosis (MS) is a chronic disease of the central nervous system that affects mainly young adults (two to three times more frequently in women than in men) and causes significant disability ... To compare adverse effects of immunotherapies for people with MS or clinically isolated syndrome (CIS), and to rank these treatments according to their relative risks of adverse effects through networ... We searched CENTRAL, PubMed, Embase, two other databases and trials registers up to March 2022, together with reference checking and citation searching to identify additional studies.... We included participants 18 years of age or older with a diagnosis of MS or CIS, according to any accepted diagnostic criteria, who were included in randomized controlled trials (RCTs) that examined o... We used standard Cochrane methods for data extraction and pairwise meta-analyses. For NMAs, we used the netmeta suite of commands in R to fit random-effects NMAs assuming a common between-study varian... This NMA included 123 trials with 57,682 participants... We found mostly low and very low-certainty evidence that drugs used to treat MS may not increase SAEs, but may increase withdrawals compared with placebo. The results suggest that there is no importan...

Impact of SGLT2 inhibitors on patient outcomes: a network meta-analysis.

A comprehensive network meta-analysis comparing the effects of individual sodium-glucose cotransporter 2 (SGLT2) inhibitors on patients with and without comorbidities including diabetes mellitus (DM),... We searched PubMed, Embase, Cochrane, and ClinicalTrials.gov for randomized controlled trials up to March 28, 2023. Network meta-analysis using a random-effects model was conducted to calculate risk r... A total of fourteen trials with 75,334 patients were analyzed. Among these, 40,956 had taken SGLT2 inhibitors and 34,378 had not. One of the main results with particular findings was empagliflozin use... Our network meta-analysis revealed that empagliflozin users with diabetes experienced a lower risk of dying from any cause than those using dapagliflozin. Additionally, canagliflozin users demonstrate... PROSPERO [CRD42022361906]....

A network meta-analysis of surgical treatments of complete rectal prolapse.

Surgical treatment of complete rectal prolapse can be undertaken via an abdominal or a perineal approach. The present network meta-analysis aimed to compare the outcomes of different abdominal and per... A PRISMA-compliant systematic review of PubMed, Scopus, and Web of Science was conducted. Randomized clinical trials comparing two or more procedures for the treatment of complete rectal prolapse were... Nine randomized controlled trials with 728 patients were included. The follow-up ranged between 12 and 47 months. Posterior mesh rectopexy had significantly lower odds of recurrence than did the Altem... Posterior mesh rectopexy ranked best with the lowest recurrence while perineal procedures ranked worst with the highest recurrence rates....

Efficacy and safety of COVID-19 vaccines: A network meta-analysis.

Several vaccines showed a good safety profile and significant efficacy against COVID-19. Moreover, in the absence of direct head to head comparison between COVID-19 vaccines, a network meta-analysis t... Databases PubMed, CENTRAL, medRxiv, and clinicaltrials.gov were searched. Studies were included if they were placebo-controlled clinical trials and reported the safety profile and/or effectiveness of ... Forty-nine clinical trials that included 421,173 participants and assessed 28 vaccines were included in this network meta-analysis. The network meta-analysis showed that Pfizer is the most effective i... We found that almost all of the vaccines included in this study crossed the threshold of 50% efficacy. However, some of them did not reach the previously mentioned threshold against the B.1.351 varian...