Titre : Fibroblastes associés au cancer

Fibroblastes associés au cancer : Questions médicales fréquentes

Termes MeSH sélectionnés :

REM Sleep Behavior Disorder
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Dan.Worthley@sahmri.com." } }, { "@type": "Person", "name": "Chencheng Han", "url": "https://questionsmedicales.fr/author/Chencheng%20Han", "affiliation": { "@type": "Organization", "name": "Department of Thoracic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Nanjing, China." } } ], "citation": [ { "@type": "ScholarlyArticle", "name": "Phenoconversion in Women and Men With Isolated REM Sleep Behavior Disorder: A Retrospective Cohort Study.", "datePublished": "2024-10-25", "url": "https://questionsmedicales.fr/article/39454123", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1212/WNL.0000000000209993" } }, { "@type": "ScholarlyArticle", "name": "Nucleus basalis of Meynert predicts cognitive changes in isolated REM sleep behavior disorder.", "datePublished": "2023-06-25", "url": 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cancer - Questions et réponses", "headline": "Questions et réponses médicales fréquentes sur Fibroblastes associés au cancer", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-17", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Fibroblastes associés au cancer", "description": "Comment identifier les CAF dans une tumeur ?\nQuels tests sont utilisés pour détecter les CAF ?\nLes CAF sont-ils visibles par imagerie ?\nPeut-on quantifier les CAF dans un échantillon ?\nLes CAF peuvent-ils être distingués des fibroblastes normaux ?", "url": "https://questionsmedicales.fr/mesh/D000072645?mesh_terms=REM+Sleep+Behavior+Disorder&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Fibroblastes associés au cancer", "description": "Quels symptômes sont liés aux CAF ?\nLes CAF affectent-ils la douleur tumorale ?\nLes CAF sont-ils impliqués dans la fatigue liée au cancer ?\nLes CAF influencent-ils les symptômes de métastases ?\nLes CAF sont-ils liés à des symptômes spécifiques ?", "url": "https://questionsmedicales.fr/mesh/D000072645?mesh_terms=REM+Sleep+Behavior+Disorder&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Fibroblastes associés au cancer", "description": "Peut-on prévenir la formation de CAF ?\nLes facteurs environnementaux influencent-ils les CAF ?\nL'alimentation joue-t-elle un rôle dans la prévention des CAF ?\nL'exercice physique peut-il réduire les CAF ?\nLes dépistages précoces aident-ils à prévenir les CAF ?", "url": "https://questionsmedicales.fr/mesh/D000072645?mesh_terms=REM+Sleep+Behavior+Disorder&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Fibroblastes associés au cancer", "description": "Comment cibler les CAF dans le traitement du cancer ?\nLes CAF peuvent-ils être une cible pour l'immunothérapie ?\nQuels médicaments affectent les CAF ?\nLes CAF peuvent-ils influencer la résistance aux traitements ?\nY a-t-il des essais cliniques sur les CAF ?", "url": "https://questionsmedicales.fr/mesh/D000072645?mesh_terms=REM+Sleep+Behavior+Disorder&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Fibroblastes associés au cancer", "description": "Quels sont les risques associés aux CAF ?\nLes CAF sont-ils liés à des complications post-chirurgicales ?\nLes CAF peuvent-ils affecter la qualité de vie ?\nLes CAF sont-ils impliqués dans des complications métastatiques ?\nLes CAF peuvent-ils influencer la survie des patients ?", "url": "https://questionsmedicales.fr/mesh/D000072645?mesh_terms=REM+Sleep+Behavior+Disorder&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Fibroblastes associés au cancer", "description": "Quels facteurs augmentent le risque de CAF ?\nL'âge influence-t-il le développement des CAF ?\nLes antécédents familiaux de cancer sont-ils un facteur de risque ?\nLe stress peut-il influencer les CAF ?\nLes infections chroniques sont-elles un facteur de risque ?", "url": "https://questionsmedicales.fr/mesh/D000072645?mesh_terms=REM+Sleep+Behavior+Disorder&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment identifier les CAF dans une tumeur ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Les CAF peuvent être identifiés par des marqueurs spécifiques comme FAP et α-SMA." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour détecter les CAF ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "L'immunohistochimie et la cytométrie en flux sont couramment utilisés." } }, { "@type": "Question", "name": "Les CAF sont-ils visibles par imagerie ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Les CAF ne sont pas directement visibles, mais leur effet sur la tumeur peut être évalué par imagerie." } }, { "@type": "Question", "name": "Peut-on quantifier les CAF dans un échantillon ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des techniques comme la PCR et l'analyse de l'expression génique permettent leur quantification." } }, { "@type": "Question", "name": "Les CAF peuvent-ils être distingués des fibroblastes normaux ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les CAF présentent des caractéristiques morphologiques et fonctionnelles distinctes." } }, { "@type": "Question", "name": "Quels symptômes sont liés aux CAF ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les CAF ne causent pas de symptômes directs, mais influencent la progression tumorale." } }, { "@type": "Question", "name": "Les CAF affectent-ils la douleur tumorale ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les CAF peuvent moduler la douleur en influençant l'inflammation et la croissance tumorale." } }, { "@type": "Question", "name": "Les CAF sont-ils impliqués dans la fatigue liée au cancer ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Indirectement, les CAF peuvent contribuer à la fatigue en favorisant la progression tumorale." } }, { "@type": "Question", "name": "Les CAF influencent-ils les symptômes de métastases ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les CAF peuvent favoriser la migration des cellules tumorales et donc les symptômes de métastases." } }, { "@type": "Question", "name": "Les CAF sont-ils liés à des symptômes spécifiques ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Ils ne causent pas de symptômes spécifiques, mais leur présence peut aggraver l'état général du patient." } }, { "@type": "Question", "name": "Peut-on prévenir la formation de CAF ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "La prévention des CAF est complexe, mais un mode de vie sain peut réduire le risque de cancer." } }, { "@type": "Question", "name": "Les facteurs environnementaux influencent-ils les CAF ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des facteurs comme l'inflammation chronique et le tabagisme peuvent favoriser les CAF." } }, { "@type": "Question", "name": "L'alimentation joue-t-elle un rôle dans la prévention des CAF ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation riche en antioxydants peut aider à réduire le risque de cancer et donc de CAF." } }, { "@type": "Question", "name": "L'exercice physique peut-il réduire les CAF ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exercice régulier peut diminuer l'inflammation et potentiellement réduire les CAF." } }, { "@type": "Question", "name": "Les dépistages précoces aident-ils à prévenir les CAF ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Les dépistages précoces peuvent aider à détecter le cancer avant que les CAF ne se développent." } }, { "@type": "Question", "name": "Comment cibler les CAF dans le traitement du cancer ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des thérapies ciblées et des inhibiteurs de signalisation sont en développement pour cibler les CAF." } }, { "@type": "Question", "name": "Les CAF peuvent-ils être une cible pour l'immunothérapie ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les CAF peuvent être ciblés pour améliorer l'efficacité de l'immunothérapie anticancéreuse." } }, { "@type": "Question", "name": "Quels médicaments affectent les CAF ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments comme les inhibiteurs de TGF-β et les agents anti-fibrotiques peuvent affecter les CAF." } }, { "@type": "Question", "name": "Les CAF peuvent-ils influencer la résistance aux traitements ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les CAF peuvent contribuer à la résistance aux traitements en modifiant le microenvironnement tumoral." } }, { "@type": "Question", "name": "Y a-t-il des essais cliniques sur les CAF ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, plusieurs essais cliniques explorent des thérapies ciblant les CAF dans divers cancers." } }, { "@type": "Question", "name": "Quels sont les risques associés aux CAF ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les CAF peuvent favoriser la progression tumorale et la résistance aux traitements." } }, { "@type": "Question", "name": "Les CAF sont-ils liés à des complications post-chirurgicales ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les CAF peuvent influencer la cicatrisation et augmenter le risque de récidive." } }, { "@type": "Question", "name": "Les CAF peuvent-ils affecter la qualité de vie ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, leur présence peut aggraver les symptômes et diminuer la qualité de vie des patients." } }, { "@type": "Question", "name": "Les CAF sont-ils impliqués dans des complications métastatiques ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les CAF peuvent faciliter la migration des cellules tumorales vers d'autres organes." } }, { "@type": "Question", "name": "Les CAF peuvent-ils influencer la survie des patients ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la présence de CAF est souvent associée à un pronostic défavorable dans plusieurs cancers." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de CAF ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'inflammation chronique, le tabagisme et l'obésité sont des facteurs de risque connus." } }, { "@type": "Question", "name": "L'âge influence-t-il le développement des CAF ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le risque de développer des CAF augmente avec l'âge en raison de changements cellulaires." } }, { "@type": "Question", "name": "Les antécédents familiaux de cancer sont-ils un facteur de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux peuvent augmenter le risque de développer des CAF." } }, { "@type": "Question", "name": "Le stress peut-il influencer les CAF ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress chronique peut affecter le microenvironnement tumoral et favoriser les CAF." } }, { "@type": "Question", "name": "Les infections chroniques sont-elles un facteur de risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines infections chroniques peuvent contribuer à l'inflammation et à la formation de CAF." } } ] } ] }

Sources (10000 au total)

Phenoconversion in Women and Men With Isolated REM Sleep Behavior Disorder: A Retrospective Cohort Study.

Isolated REM sleep behavior disorder (iRBD) is strongly associated with synucleinopathies. Previous iRBD cohort studies have primarily focused on older (>50 years), male-predominant cohorts. Risk of p... One hundred eighty-six women and 186 men with iRBD were matched by polysomnography month. Baseline clinical variables and subsequent neurodegenerative outcomes were abstracted by chart review. Kaplan-... Age at iRBD diagnosis was younger in women compared with men (54.9 vs 62.5 years,... Age at diagnosis was independently associated with phenoconversion risk in women and men with iRBD....

Nucleus basalis of Meynert predicts cognitive changes in isolated REM sleep behavior disorder.

Degeneration of the nucleus basalis of Meynert (NBM) has been implicated in cognitive impairments in Parkinson's disease. The role of the NBM volumes in the cognitive function in isolated rapid eye mo... We investigated changes in NBM volumes and their associations with cognitive deficits in iRBD. Baseline NBM volumes were compared between 29 iRBD patients and 29 healthy controls by using structural M... Compared with controls, NBM volumes were significantly reduced in iRBD patients. In patients with iRBD, higher NBM volumes were significantly associated with greater performance in global cognition fu... This study provides important in vivo evidence for an association between the NBM degeneration and cognitive impairments in iRBD....

Diet quality and prodromal Parkinson's disease probability in isolated REM sleep behavior disorder.

It is reported that a diet that lowers oxidative stress reduces the prodromal Parkinson's disease (pPD) probability as well as the risk of Parkinson's disease (PD). In this study, we evaluated whether... Polysomnography (PSG)-confirmed iRBD patients from the Neurology Department at Seoul National University Hospital were enrolled. We calculated the pPD probability using the "Web-based Medical Calculat... We enrolled 101 patients with iRBD. The mean RFS score of patients with iRBD was 28.23 ± 9.29, which did not differ from the general population. Among patients with iRBD, the probability of pPD did no... Diet quality assessed by RFS did not differ between the general population and patients with iRBD in Korea. Further studies are needed to confirm these protective effects of legume consumption on iRBD...

Neuropsychiatric, neuropsychological, and neuroimaging features in isolated REM sleep behavior disorder: The importance of MCI.

Mild cognitive impairment (MCI) is frequently diagnosed in patients with isolated rapid eye movement (REM) sleep behavior disorder (iRBD), although the extent of MCI-associated neuropathology has not ... Sixty-one patients with iRBD were included in the study: 30 patients were included in the MCI subgroup (RBD-MCI) and 31 in the normal cognition subgroup (RBD-NC). Both groups underwent neuropsychiatri... Neuropsychological measures generally confirmed overall cognitive decline in patients with iRBD-MCI. Immediate long-term verbal memory and visuospatial functions, as well as attentional-executive impa... This study confirmed that iRBD patients with MCI had a more impaired cognitive status that those with NC. Moreover, the MCI subgroup presented reduced cerebral glucose consumption in brain areas criti...

Obstructive sleep apnea may reduce a diagnostic accuracy of video-polysomnography for idiopathic REM sleep behavior disorder.

Severe obstructive sleep apnea (OSA) in patients with rapid eye movement (REM) sleep behavior disorder (RBD) may result in frequent fragmentation of REM sleep and consequently lead to a false negative... Patients with clinically diagnosed idiopathic RBD were included. RBD was confirmed if a video-PSG demonstrated complex motor behavior during REM sleep or REM sleep without atonia (RWA). Motor behavior... Of a total 254 patients included, a diagnosis of RBD was confirmed by a video-PSG in 221 patients (87.0%). RWA, vocalization, and axial or proximal muscle movements in REM sleep were noted in 86.6%, 5... OSA that requires CPAP may reduce a diagnostic accuracy for RBD by a video-PSG. False negative results were probably due to frequent electromyographic artifacts and/or severe sleep disruption from apn...

Genetic associations between Rapid Eye Movement (REM) sleep behavior disorder and cardiovascular diseases.

Previous studies revealed that sleep disorders are potential risk factors for cardiovascular diseases, such as obstructive sleep apnea and rapid eye movement (REM) sleep behavior disorder (RBD). Howev... We used the latest and largest summary-level genome-wide association studies of RBD, stroke and its subtypes, coronary artery disease (CAD), myocardial infarction (MI), and heart failure (HF) to selec... After multiple comparisons, genetically predicted RBD was significantly associated with the risk of HF [odds ratio (OR) = 1.033, 95% CI 1.013-1.052, p = 0.001]. Leave-one-out analysis further supporte... Our study highlighted the potential associations between RBD and cardiovascular diseases at genetic level, including HF and MI. More studies were required to clarify the biological mechanisms involved...

REM sleep behavior disorder correlates with constipation in de novo Chinese Parkinson's disease patients.

Constipation, rapid eye movement sleep behavior disorder (RBD) and hyposmia are common prodromal symptoms of Parkinson's disease (PD), and they may represent two distinct types of disease origin, from... A total of 111 de novo, drug-naïve Chinese PD patients were consecutively enrolled from Jan 2017 to Sept 2021. Patients were classified into PD with and without constipation based on item 5 of the Sca... In total, 44.1% (n = 49) of de novo PD patients had constipation. PD patients with constipation were older (p = 0.028), had higher proportions of Hoehn and Yahr (H-Y) stage [Formula: see text] 2 (p = ... RBD is closely associated with constipation in de novo Chinese PD patients. Our results support the theory that prodromal symptoms that represent the same pathological origin are closely related to ea...

Presence but not the timing of onset of REM sleep behavior disorder distinguishes evolution patterns in Parkinson's disease.

Rapid eye movement (REM) sleep behavior disorder (RBD) could develop preceding or come after motor symptoms during Parkinson's disease (PD). It remains unknown that whether PD with different timing of... We recruited 157 PD, 16 isolated RBD (iRBD), and 78 healthy controls. PD patients were identified as (1) PD with RBD preceding motor symptoms (PD-preRBD, n = 50), (2) PD with RBD posterior to motor sy... The model predicted that SN occupied the highest likelihood in the maximum likelihood sequence of disease progression in the all PD subgroups, while LC was specifically positioned earlier to SN in iRB... The spatiotemporal sequence of neurodegeneration between PD-pre and PD-post were similar but distinct from PD-nonRBD. The presence of RBD may be the essential factor for differentiating the degenerati...

Decreased serum BDNF contributes to the onset of REM sleep behavior disorder in Parkinson's disease patients.

Brain-derived neurotrophic factor (BDNF) promotes neuroprotection and neuroregeneration. BDNF enhances the survival of dopaminergic neurons and improves dopaminergic neurotransmission and motor perfor... We employed the Rapid Eye Movement Sleep Behavior Disorder Questionnaire-Hong Kong version (RBDQ-HK) and the Rapid Eye Movement Sleep Behavior Disorder Screening Questionnaire (RBDSQ) for RBD diagnosi... Our findings indicate that serum BDNF levels were significantly lower in PD patients compared to healthy controls (p < 0.001). PD-RBD patients exhibited higher motor symptom scores (UPDRS III) than PD... This study illustrates that decreased serum BDNF levels may be linked to the development of RBD in PD patients, highlighting the potential utility of BDNF as a biomarker in clinical practice....