Titre : Cellules souches totipotentes

Cellules souches totipotentes : Questions médicales fréquentes

Termes MeSH sélectionnés :

Urinary Bladder Neoplasms
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souches affectent-elles le développement ?", "url": "https://questionsmedicales.fr/mesh/D039901?mesh_terms=Urinary+Bladder+Neoplasms&page=3#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=3#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=3#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=3#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=3#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)

Low expression of ZSCAN4 predicts unfavorable outcome in urothelial carcinoma of upper urinary tract and urinary bladder.

With the advance in genome-wide analyses, genetic alternations have been found to play an important role in carcinogenesis and aggressiveness of UC. Through bioinformatic analysis of gene expression p... The expression of ZSCAN4 was evaluated by immunohistochemistry in 340 upper urinary tract urothelial carcinomas (UTUCs) and 295 UBUCs. The expression profiles of ZSCAN4 and potential signaling pathway... In UTUC, low expression of ZSCAN4 was significantly associated with advanced primary pT stage (P = 0.011), increased nodal metastasis (P = 0.002) and increased vascular invasion (P = 0.019). In UBUC, ... Low expression of ZSCAN4 predicted worse outcome in urothelial carcinoma and might have potential regulatory role in cell mitosis....

EphA2 on urinary extracellular vesicles as a novel biomarker for bladder cancer diagnosis and its effect on the invasiveness of bladder cancer.

Urinary extracellular vesicles (uEVs) secreted from bladder cancer contain cancer-specific proteins that are potential diagnostic biomarkers. We identified and evaluated a uEV-based protein biomarker ... Biomarker candidates, selected by shotgun proteomics, were validated using targeted proteomics of uEVs obtained from 49 patients with and 48 individuals without bladder cancer, including patients with... Thirteen membrane proteins were significantly upregulated in the uEVs from patients with bladder cancer in shotgun proteomics. Among them, eight proteins were validated by target proteomics, and Ephri... We established EV-EphA2-CD9 ELISA for uEV-EphA2 detection for the non-invasive early clinical diagnosis of bladder cancer....

Thulium laser enucleation of bladder tumour (Thulebt): Changing paradigm in the management of nonmuscle invasive urinary bladder carcinoma.

To analyse the safety and efficacy of Thulium laser en bloc enucleation of bladder tumour (ThuLEBT) in comparison to transurethral resection of bladder tumour (TURBT) for treatment of non-muscle invasiv... Prospective observational study involving 30 patients in each group of ThuLEBT and TURBT admitted in tertiary care centre from 1st January 2021 to December 2021.... Significant difference was found in terms of less operative time (... ThuLEBT is an efficient and safe treatment for non-muscle invasive bladder cancer and it can be a better alternative choice in place of TURBT....

[Development of a squamous cell carcinoma of the urinary bladder after intravesical condylomas].

The occurrence of intravesical condylomata acuminata has been described as a fairly uncommon, benign epithelial lesion. Reports on progression into a muscle-invasive carcinoma of the bladder are rare.... We present the case of a 68-year-old man who had a history of intravesical condylomata acuminata over several years and developed a muscle-invasive squamous cell carcinoma of the bladder. Having under... The carcinogenic potency of the human papilloma virus is well known for carcinomas of the male and female genitals. The occurrence of intravesical condylomata is rare. They are commonly perceived as b... The diagnosis of intravesical condylomata acuminata requires stringent urologic follow-up examinations including biopsy of suspicious lesions and stage-appropriate surgical management in the case of a...

Does the urinary microbiome profile change after treatment of bladder cancer?

We sought to investigate the change in the urinary microbiome profile after transurethral resection of bladder tumor (TURBT).... Urine specimens were collected from consecutive patients with bladder cancer. Patients were divided into those with bladder tumors ("Tumor group": de novo tumors or recurrent/progressed after TURBT ± ... Sixty-eight samples were analyzed (42 in "Tumor" vs 26 in "No Recurrent Tumor" groups). The median age was 70 years (IQR 64-74) and 85% were males. All patients in the "No Recurrent Tumor" group had n... Bladder cancer patients with no recurrence and/or progression exhibited a different urinary microbiome profile compared to those with tumors....

The value of urinary exosomal lncRNA SNHG16 as a diagnostic biomarker for bladder cancer.

To detect the expression level of urinary exosomal lncRNA SNHG16 in patients with bladder cancer and healthy individuals and explore its clinical application value in the diagnosis of bladder cancer.... Urine samples were collected from 42 patients with bladder cancer and 42 healthy volunteers who visited Lu'an Hospital of Anhui Medical University and the Second Hospital of Tianjin Medical University... The expression of urinary exosomal lncRNA SNHG16 in patients with bladder cancer was significantly higher (P < 0.05), and the expression level had no correlation with the age, sex, pathological T stag... Urinary exosomal lncRNA SNHG16 with high expression can serve as a potential diagnostic biological marker for bladder cancer....

Comprehensive proteomics and platform validation of urinary biomarkers for bladder cancer diagnosis and staging.

Bladder cancer (BC) is among the most common cancers diagnosed in men in the USA. The current gold standards for the diagnosis of BC are invasive or lack the sensitivity to correctly identify the dise... An aptamer-based screen analyzed the expression of 1317 proteins in BC compared to urology clinic controls. The top hits were subjected to systems biology analyses. Next, 30 urine proteins were ELISA-... Systems biology analysis implicated molecular functions related to the extracellular matrix, collagen, integrin, heparin, and transmembrane tyrosine kinase signaling in BC susceptibility, with HNF4A a... Given the high sensitivity (97%) of urine D-dimer for BC, it may have a role in the initial diagnosis or detection of cancer recurrence. On the other hand, urine IL-8 and IgA may have the potential in...