Titre : Cellules souches totipotentes

Cellules souches totipotentes : Questions médicales fréquentes

Termes MeSH sélectionnés :

Urinary Bladder Neoplasms
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"@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Cellules souches totipotentes", "description": "Comment identifier les cellules souches totipotentes ?\nQuels tests sont utilisés pour les cellules souches ?\nLes cellules souches totipotentes sont-elles rares ?\nPeut-on isoler des cellules souches totipotentes ?\nQuelles sont les caractéristiques des cellules totipotentes ?", "url": "https://questionsmedicales.fr/mesh/D039901?mesh_terms=Urinary+Bladder+Neoplasms&page=5#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Cellules souches totipotentes", "description": "Quels symptômes sont associés aux cellules souches ?\nLes cellules souches totipotentes causent-elles des maladies ?\nY a-t-il des signes de dysfonctionnement cellulaire ?\nLes cellules souches totipotentes sont-elles liées à des cancers ?\nComment les cellules souches affectent-elles le développement ?", "url": "https://questionsmedicales.fr/mesh/D039901?mesh_terms=Urinary+Bladder+Neoplasms&page=5#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Cellules souches totipotentes", "description": "Comment prévenir les anomalies liées aux cellules souches ?\nY a-t-il des facteurs environnementaux à éviter ?\nLes habitudes alimentaires influencent-elles les cellules souches ?\nLes vaccinations affectent-elles les cellules souches ?\nComment le stress maternel impacte-t-il le développement ?", "url": "https://questionsmedicales.fr/mesh/D039901?mesh_terms=Urinary+Bladder+Neoplasms&page=5#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Cellules souches totipotentes", "description": "Les cellules souches totipotentes sont-elles utilisées en thérapie ?\nQuels traitements impliquent des cellules souches ?\nPeut-on utiliser des cellules souches pour régénérer des tissus ?\nY a-t-il des risques associés aux traitements par cellules souches ?\nLes cellules souches totipotentes peuvent-elles traiter des maladies ?", "url": "https://questionsmedicales.fr/mesh/D039901?mesh_terms=Urinary+Bladder+Neoplasms&page=5#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Cellules souches totipotentes", "description": "Quelles complications peuvent survenir avec les cellules souches ?\nLes cellules souches peuvent-elles causer des tumeurs ?\nY a-t-il des risques d'infections avec les cellules souches ?\nComment gérer les complications liées aux cellules souches ?\nLes complications sont-elles fréquentes avec les cellules souches ?", "url": "https://questionsmedicales.fr/mesh/D039901?mesh_terms=Urinary+Bladder+Neoplasms&page=5#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Cellules souches totipotentes", "description": "Quels facteurs augmentent le risque d'anomalies ?\nLes maladies maternelles influencent-elles les cellules souches ?\nL'exposition à des toxines est-elle un facteur de risque ?\nLe mode de vie maternel impacte-t-il les cellules souches ?\nLes traitements médicaux peuvent-ils affecter les cellules souches ?", "url": "https://questionsmedicales.fr/mesh/D039901?mesh_terms=Urinary+Bladder+Neoplasms&page=5#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment identifier les cellules souches totipotentes ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'identification se fait par des tests de différenciation et des marqueurs spécifiques." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour les cellules souches ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de culture cellulaire et des analyses génétiques sont couramment utilisés." } }, { "@type": "Question", "name": "Les cellules souches totipotentes sont-elles rares ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles sont présentes uniquement dans les premiers stades de développement embryonnaire." } }, { "@type": "Question", "name": "Peut-on isoler des cellules souches totipotentes ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'isolement est complexe et généralement réalisé en laboratoire sur des embryons." } }, { "@type": "Question", "name": "Quelles sont les caractéristiques des cellules totipotentes ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent se différencier en tous les types de cellules, y compris les tissus embryonnaires." } }, { "@type": "Question", "name": "Quels symptômes sont associés aux cellules souches ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les cellules souches elles-mêmes n'ont pas de symptômes, mais leur dysfonction peut affecter le développement." } }, { "@type": "Question", "name": "Les cellules souches totipotentes causent-elles des maladies ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Non, elles ne causent pas de maladies, mais leur dérégulation peut entraîner des anomalies." } }, { "@type": "Question", "name": "Y a-t-il des signes de dysfonctionnement cellulaire ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des signes peuvent inclure des malformations congénitales ou des troubles de développement." } }, { "@type": "Question", "name": "Les cellules souches totipotentes sont-elles liées à des cancers ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Elles ne causent pas de cancers, mais des cellules souches mal régulées peuvent contribuer à leur formation." } }, { "@type": "Question", "name": "Comment les cellules souches affectent-elles le développement ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont essentielles pour le développement normal des tissus et organes embryonnaires." } }, { "@type": "Question", "name": "Comment prévenir les anomalies liées aux cellules souches ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une bonne santé maternelle et des soins prénatals peuvent aider à prévenir les anomalies." } }, { "@type": "Question", "name": "Y a-t-il des facteurs environnementaux à éviter ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, éviter les toxines et les radiations peut réduire le risque d'anomalies embryonnaires." } }, { "@type": "Question", "name": "Les habitudes alimentaires influencent-elles les cellules souches ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée peut soutenir le développement cellulaire sain pendant la grossesse." } }, { "@type": "Question", "name": "Les vaccinations affectent-elles les cellules souches ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Non, les vaccinations sont importantes pour la santé maternelle et n'affectent pas les cellules souches." } }, { "@type": "Question", "name": "Comment le stress maternel impacte-t-il le développement ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Le stress peut affecter le développement embryonnaire, il est donc important de le gérer." } }, { "@type": "Question", "name": "Les cellules souches totipotentes sont-elles utilisées en thérapie ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Elles ne sont pas encore utilisées en thérapie, mais la recherche est prometteuse." } }, { "@type": "Question", "name": "Quels traitements impliquent des cellules souches ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Des traitements expérimentaux utilisent des cellules souches pluripotentes, mais pas totipotentes." } }, { "@type": "Question", "name": "Peut-on utiliser des cellules souches pour régénérer des tissus ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les cellules souches peuvent potentiellement régénérer des tissus, mais pas encore avec des totipotentes." } }, { "@type": "Question", "name": "Y a-t-il des risques associés aux traitements par cellules souches ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Les risques incluent des réactions immunitaires et des tumeurs, surtout avec des cellules mal différenciées." } }, { "@type": "Question", "name": "Les cellules souches totipotentes peuvent-elles traiter des maladies ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Elles ont un potentiel théorique, mais leur utilisation clinique est encore à l'étude." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec les cellules souches ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des malformations ou des troubles de développement si mal régulées." } }, { "@type": "Question", "name": "Les cellules souches peuvent-elles causer des tumeurs ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des cellules souches mal différenciées peuvent entraîner la formation de tumeurs." } }, { "@type": "Question", "name": "Y a-t-il des risques d'infections avec les cellules souches ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Les procédures d'isolement et de culture peuvent comporter des risques d'infection." } }, { "@type": "Question", "name": "Comment gérer les complications liées aux cellules souches ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Une surveillance étroite et des interventions précoces sont essentielles pour gérer les complications." } }, { "@type": "Question", "name": "Les complications sont-elles fréquentes avec les cellules souches ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les complications sont rares mais peuvent survenir, surtout dans des contextes expérimentaux." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'anomalies ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Des facteurs comme l'âge maternel avancé et des antécédents familiaux peuvent augmenter le risque." } }, { "@type": "Question", "name": "Les maladies maternelles influencent-elles les cellules souches ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maladies comme le diabète peuvent affecter le développement embryonnaire." } }, { "@type": "Question", "name": "L'exposition à des toxines est-elle un facteur de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exposition à des toxines environnementales peut augmenter le risque d'anomalies." } }, { "@type": "Question", "name": "Le mode de vie maternel impacte-t-il les cellules souches ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme et l'alcool peuvent nuire au développement des cellules souches." } }, { "@type": "Question", "name": "Les traitements médicaux peuvent-ils affecter les cellules souches ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Certains traitements, comme la chimiothérapie, peuvent nuire au développement embryonnaire." } } ] } ] }

Sources (10000 au total)

Bladder cancer is associated with decreased urinary microbiota diversity and alterations in microbial community composition.

Human urine microbiota (UM) research has uncovered associations between composition of microbial communities of the lower urinary tract and various disease states including several reports on the puta... Urine samples were obtained in theatre after surgical prepping and draping using aseptic catheterisation. DNA was extracted and hypervariable region V4 of the 16S rRNA gene was amplified using 515F an... A total of 63 samples were included in the analysis. Mean age of study subjects was 65.1 years (SD 12.5). Thirty-four men had bladder cancer and 29 participants were undergoing interventions for benig... BC patients had lower bladder microbiota richness and diversity than controls. Specific genera were enriched in cancer and control groups, respectively. These results corroborate some of previous repo...

Correlation between androgen and estrogen receptor expression and clinicopathologic features in carcinoma urinary bladder.

The molecular mapping of cancers by the Cancer Genome Atlas Project has accelerated the quest for new therapeutic targets for urinary bladder cancer, including sex steroid receptors. Previous studies ... In this retrospective cohort study, a total of 132 patients, who were surgically managed for urinary bladder mass by transurethral resection or radical cystectomy in our institute, with transitional c... A total of 3.79% of patients showed estrogen receptor alpha positivity, 51.52% estrogen receptor beta positivity and 63.64% androgen receptor positivity. No statistically significant correlation was f... Our study has the largest sample size conducted on Indian population with results differing from previous studies conducted on western population. Estrogen receptor beta expression was significantly a...

Value of multiparametric magnetic resonance imaging for local staging of invasive urinary bladder tumours.

Initial tumour staging in bladder cancer mainly relies on the histo-pathological outcome of the transurethral bladder tumour resection (TURBT) and imaging by means of a CT-scan (CT-intravenous urograp... This is a prospective observational study to analyse bladder tumour staging with multiparametric magnetic resonance imaging (mpMRI) in patients with a known bladder tumour, who are planned for radical... Patients with an invasive bladder cancer who are planned for radical cystectomy.... Patients were accrued during their visit to the outpatient department of urology. They underwent routine cystoscopy, laboratory tests (including serum Creatinin) and CT-IVU investigations and subseque... To demonstrate the value of mpMRI in the initial staging of bladder tumours using radiological bladder tumour stage (T-stage) based on mpMRI and pathological bladder tumour stage based on 'whole-mount... Thirty-seven participants with known bladder tumours underwent mpMRI and subsequent cystectomy. After mpMRI 10 participants were diagnosed with non-muscle-invasive bladder cancer (NMIBC) and 27 partic... We found a sensitivity of 88% and a specificity of 58% for mpMRI to discriminate NMIBC from MIBC....

A retrospective study on expression and clinical significance of PHH3, Ki67 and P53 in bladder exophytic papillary urothelial neoplasms.

Exophytic papillary urothelial neoplasms (EPUN) are difficult to diagnose pathologically and are well-known for their heterogeneous prognoses. Thus, searching for an objective and accurate diagnostic ... We retrospectively analyzed the pathological diagnosis and clinical features of 26 HGPUC cases, 43 LGPUC cases, 21 PUNLMP cases and 11 UP cases. PHH3, Ki67 and P53 were detected by immunohistochemistr... The determination coefficient (... PHH3 exhibited high specificity and sensitivity in diagnosing EPUN. Combined with HEMC, Ki67 and P53, it can assist in the differential diagnosis of EPUN and estimate its clinical progression with hig...

Pathologic collision of urinary bladder urothelial carcinoma with small cell carcinoma: a case report.

Urothelial carcinoma is a major subtype of bladder cancer and small cell carcinoma (SCC) is a rare type of cancer in clinical practice. Pathologic collision of urinary bladder urothelial carcinoma wit... Here, we report a patient with high-grade papillary carcinoma which changed to collision tumor with SCC. The patient underwent radical cystectomy; however, neck and mediastinum lymph nodes metastases ... We hypothesized the mechanism underlying this pathological transformation. For patients with urothelial bladder cancer, pathological analysis should be conducted to allow standardized and persistent t... We recommend that radical cystectomy be performed early enough for patients with non-muscle invasive bladder cancer, who are at a high risk of tumor recurrence. However, this conclusion needs to be va...