Titre : Cellules souches totipotentes

Cellules souches totipotentes : Questions médicales fréquentes

Termes MeSH sélectionnés :

Prostatic Neoplasms
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"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=Prostatic+Neoplasms&page=3#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=Prostatic+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=Prostatic+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=Prostatic+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=Prostatic+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=Prostatic+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)

Prostate and metastasis-directed focal therapy in prostate cancer: hype or hope?

The paradigm of focal therapy's role in metastatic patients is being challenged by evolving attitudes and emerging data. At the current time, specifically regarding prostate cancer, does the evidence ... We searched the literature via PubMed, MEDLINE, and Embase for studies from 2014 to the present addressing focal therapy with non-palliative intent in metastatic prostate cancer patients, emphasizing ... Current evidence is strongest, and in our opinion practice-changing, for prostate-directed RT in de novo metastatic patients with low metastatic burden. Metastasis-directed therapy with SBRT is consis...

Development and evaluation of the MiCheck® Prostate test for clinically significant prostate cancer.

There is a clinical need to identify patients with an elevated PSA who would benefit from prostate biopsy due to the presence of clinically significant prostate cancer (CSCaP). We have previously repo... To further develop and adapt the MiCheck® Prostate test so it can be performed using a standard clinical chemistry analyzer and characterize its performance using the MiCheck-01 clinical trial sample ... About 358 patient samples from the MiCheck-01 US clinical trial were used for the development of the MiCheck® Prostate test. These consisted of 46 controls, 137 non-CaP, 62 non-CSCaP, and 113 CSCaP.... Serum analyte concentrations for cellular growth factors were determined using custom-made Luminex-based R&D Systems multi-analyte kits. Analytes that can also be measured using standard chemistry ana... Logistic regression modeling with Monte Carlo cross-validation was used to identify Human Epidydimal Protein 4 (HE4) as an analyte able to significantly improve the algorithm specificity at 95% sensit... The MiCheck® logistic regression model was developed and consisted of PSA, %free PSA, DRE, and HE4. The model differentiated clinically significant cancer from no cancer or not-clinically significant ... The MiCheck® Prostate test identifies clinically significant prostate cancer with high sensitivity and negative predictive value (NPV). It can be performed in a clinical laboratory using a Roche Cobas...

New strategy for the identification of prostate cancer: The combination of Proclarix and the prostate health index.

Prostate health index (PHI) and, more recently, Proclarix have been proposed as serum biomarkers for prostate cancer (PCa). In this study, we aimed to evaluate Proclarix and PHI for predicting clinica... Proclarix and PHI were measured using samples of 344 men from two different centers. All patients underwent prostate biopsy, and among those, 188 men with PCa on biopsy had an additional radical prost... The cohort median age and PSA were 65 (interquartile range [IQR]: 60-71) and 5.6 (IQR: 4.3-7.2) ng/ml, respectively. CsPCa was diagnosed in 161 (47%) men based on the RP specimen. ROC analysis showed ... Results of this study show that both Proclarix and PHI accurately detect the presence of csPCa. The model combining Proclarix and PHI revealed the synergistic effect and improved the diagnostic perfor...

Detection of clinically significant prostate cancer by transperineal multiparametric magnetic resonance imaging-ultrasound fusion targeted prostate biopsy in smaller prostates.

Transperineal (TP) multiparametric magnetic resonance imaging (mpMRI)-targeted biopsy (TBx) has been shown to detect more clinically significant (cs) prostate cancer (PCa) than standard template biops... We identified all men who with suspicious lesions on mpMRI and underwent TP TBx (3-core) and concomitant SBx (20-core) in our single hospital from September 2019 to February 2021. Clinical, MRI and bi... Three hundred and one (n = 301) men were included. The median prostate volume by MRI was 45 ml. The patients were divided by prostate volume into three groups: ≤30ml group (19.9%), >30 to ≤45 ml group... Our data suggest that performing TBx with limited additional cores may potentially achieve the same csPCa detection rate as the combined SBx and TBx in smaller prostates....

Are elevated mitochondrial DNA fragments in prostatic inflammation a potential biomarker for prostate cancer?

We sought to determine whether two soluble forms with different size of mtDNA are linked to prostatic inflammation, and whether they discriminate prostate cancer (PCa) from inflammatory prostatic cond... Histopathologically diagnosed prostatitis, PCa and benign prostatic hyperplasia patients (n = 93) were enrolled in this study and they were categorized as with and without prostate inflammation. Quant... The urine mtDNA-79 and mtDNA-230 were significantly increased in patients with prostate inflammation compared with those in without inflammation. Here, 79-bp fragment of apoptotic origin was significa... Our results demonstrate that shorter cf-mtDNA fragment size in particular, increase in the presence of prostate inflammation in post-prostatic massage urine but both fragments could never improve seru...