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Structures de l'embryon
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Péricytes
Péricytes : Questions médicales fréquentes
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"description": "Comment diagnostiquer une dysfonction des péricytes ?\nQuels tests sont utilisés pour évaluer les péricytes ?\nLes péricytes peuvent-ils être visualisés par IRM ?\nY a-t-il des marqueurs spécifiques pour les péricytes ?\nLes tests génétiques sont-ils utiles pour les péricytes ?",
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"@type": "Question",
"name": "Comment diagnostiquer une dysfonction des péricytes ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le diagnostic repose sur des biopsies tissulaires et des techniques d'imagerie avancées."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour évaluer les péricytes ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests histologiques et des analyses immunohistochimiques sont couramment utilisés."
}
},
{
"@type": "Question",
"name": "Les péricytes peuvent-ils être visualisés par IRM ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'IRM peut aider à visualiser les changements vasculaires associés aux péricytes."
}
},
{
"@type": "Question",
"name": "Y a-t-il des marqueurs spécifiques pour les péricytes ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des marqueurs comme NG2 et PDGFR-β sont utilisés pour identifier les péricytes."
}
},
{
"@type": "Question",
"name": "Les tests génétiques sont-ils utiles pour les péricytes ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests génétiques peuvent aider à identifier des mutations affectant les péricytes."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent une dysfonction des péricytes ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes comme l'œdème, la douleur et des troubles circulatoires peuvent apparaître."
}
},
{
"@type": "Question",
"name": "Les péricytes affectent-ils la vision ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une dysfonction peut entraîner des problèmes de circulation dans la rétine."
}
},
{
"@type": "Question",
"name": "Peut-on observer des symptômes neurologiques liés aux péricytes ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des troubles vasculaires cérébraux peuvent causer des symptômes neurologiques."
}
},
{
"@type": "Question",
"name": "Les péricytes sont-ils liés à des douleurs chroniques ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une dysfonction des péricytes peut contribuer à des douleurs chroniques par une mauvaise circulation."
}
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{
"@type": "Question",
"name": "Les péricytes peuvent-ils causer des troubles cardiaques ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anomalies des péricytes peuvent affecter la circulation et contribuer à des troubles cardiaques."
}
},
{
"@type": "Question",
"name": "Comment prévenir les dysfonctionnements des péricytes ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Maintenir un mode de vie sain, avec une alimentation équilibrée et de l'exercice régulier."
}
},
{
"@type": "Question",
"name": "Le contrôle de la pression artérielle aide-t-il les péricytes ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un bon contrôle de la pression artérielle préserve la santé des péricytes."
}
},
{
"@type": "Question",
"name": "Les habitudes alimentaires influencent-elles les péricytes ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation riche en antioxydants et en oméga-3 peut soutenir la santé des péricytes."
}
},
{
"@type": "Question",
"name": "L'exercice physique est-il bénéfique pour les péricytes ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exercice régulier améliore la circulation sanguine et la fonction des péricytes."
}
},
{
"@type": "Question",
"name": "Le tabagisme affecte-t-il les péricytes ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme nuit à la santé vasculaire et peut altérer la fonction des péricytes."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour les dysfonctionnements des péricytes ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements incluent des thérapies médicamenteuses et des interventions chirurgicales."
}
},
{
"@type": "Question",
"name": "Les thérapies géniques peuvent-elles aider les péricytes ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la thérapie génique est explorée pour corriger les anomalies des péricytes."
}
},
{
"@type": "Question",
"name": "Les médicaments vasodilatateurs sont-ils efficaces ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les vasodilatateurs peuvent améliorer la circulation en agissant sur les péricytes."
}
},
{
"@type": "Question",
"name": "Y a-t-il des traitements naturels pour les péricytes ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines approches naturelles, comme les antioxydants, peuvent soutenir la santé vasculaire."
}
},
{
"@type": "Question",
"name": "La rééducation peut-elle aider les patients avec des problèmes de péricytes ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la rééducation peut améliorer la circulation et la fonction vasculaire."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec des péricytes dysfonctionnels ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des troubles circulatoires, des œdèmes et des maladies vasculaires."
}
},
{
"@type": "Question",
"name": "Les péricytes sont-ils liés à des maladies neurodégénératives ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une dysfonction des péricytes peut contribuer à des maladies comme Alzheimer."
}
},
{
"@type": "Question",
"name": "Les complications cardiaques sont-elles possibles ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des problèmes de péricytes peuvent entraîner des maladies cardiaques ischémiques."
}
},
{
"@type": "Question",
"name": "Les péricytes affectent-ils la cicatrisation des plaies ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une dysfonction des péricytes peut retarder la cicatrisation en affectant la vascularisation."
}
},
{
"@type": "Question",
"name": "Les complications rénales sont-elles possibles avec des péricytes altérés ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des péricytes dysfonctionnels peuvent contribuer à des maladies rénales chroniques."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour les dysfonctionnements des péricytes ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'hypertension, le diabète et le tabagisme."
}
},
{
"@type": "Question",
"name": "L'âge est-il un facteur de risque pour les péricytes ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le vieillissement peut affecter la fonction des péricytes et la santé vasculaire."
}
},
{
"@type": "Question",
"name": "Le stress influence-t-il les péricytes ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress chronique peut nuire à la santé vasculaire et affecter les péricytes."
}
},
{
"@type": "Question",
"name": "Les maladies métaboliques augmentent-elles les risques ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme le diabète augmentent le risque de dysfonction des péricytes."
}
},
{
"@type": "Question",
"name": "L'obésité est-elle un facteur de risque pour les péricytes ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'obésité est associée à des troubles vasculaires et à une dysfonction des péricytes."
}
}
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Clinical management of gastroenteropancreatic neuroendocrine neoplasms remains challenging. We recently introduced the FMS-like tyrosine kinase 3 ligand (FLT3LG) as a possible biomarker for a proinfla...
We conducted a retrospective/prospective worldwide study on patients with neuroendocrine neoplasms (NENs) and a molecularly proven SARS-CoV-2 positivity. Preliminary results regarding 85 patients of t...
Gastroenteropancreatic (GEP) neuroendocrine neoplasms (NENs) comprise a group of rare malignant tumours with heterogeneous behaviour. This study aimed to assess long-term survival and prognostic facto...
This population-based study included all GEP-NENs diagnosed between 1989 and 2016 in the Netherlands, selected from the Netherlands Cancer Registry. Overall survival (OS) and relative survival (RS) we...
In total, 9697 patients were included. In grade 1, 2 and 3 non-metastatic GEP-NENs (N = 6544), 5-year OS and RS were 81% and 88%, 78% and 83%, and 26% and 30%, respectively. In grade 1 non-metastatic ...
These long-term follow-up data demonstrate significant differences in survival for different grades, tumour stage, and primary origin of GEP-NENs, with the most favourable overall and RS rates in pati...
Small intestinal Neuroendocrine Neoplasms (SI-NENs) are the most common primary malignancy of the small bowel. The aim of this study is to define the survival of patients with an SI-NEN in Auckland, A...
A retrospective study of all patients diagnosed with a jejunal or ileal SI-NEN in the Auckland region between 2000 and 2012 was performed. The New Zealand NETwork! Registry was searched to identify th...
One hundred and seven patients were included in the study. The mean age of patients was 62.8 years (SD 11.9). The 5 and 10-year disease-specific survival for all patients was 66.1% (95% CI 56.5-75.7%)...
This study demonstrates that stage at SI-NEN diagnosis is associated with survival, but resection of the primary or distant metastases in patients with stage IV disease is not. There was no recurrence...
Bcl-2 family proteins are of great significance in the pathogenesis and development of tumors. In this study, the correlations between the expression of Bcl-2 family proteins and clinicopathological f...
105 Patients diagnosed with gastroenteropancreatic NENs (GEP-NENs) with the paraffin specimen of the tumor available were retrospectively included. Immunohistochemistry (IHC) was performed to detect t...
The IHC score of Bcl-2 was significantly higher in neuroendocrine carcinoma (NEC) patients (65.6%), while a higher IHC score of Noxa was more common in neuroendocrine tumor (NET) patients (49.3%). Sur...
Higher expression of Bcl-2 and lower expression of Noxa were associated with unfavorable prognosis of GEP-NENs patients....
Small intestine cancer is rare, accounting for approximately 3% of all gastrointestinal malignancies. The most common histological subtypes include adenocarcinoma, neuroendocrine tumours (NETs) and ga...
To determine the effectiveness and safety of neoadjuvant therapy in gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) and provide evidence-based suggestions for clinical treatment....
The Cochrane Library, Embase, PubMed, and Web of Science were searched for articles published that analyzed the effectiveness and safety of GEP-NEN-targeted neoadjuvant therapy before March 2023. A co...
A total of 417 patients from 13 studies were included in this meta-analysis. The primary variables comprised the objective response rate (ORR), disease control rate (DCR), surgical resection rate, and...
Neoadjuvant therapy is an effective and safe treatment method for GEP-NENs. However, further studies are required to determine the optimal regimen for this therapy in these tumors....
High-grade (grade 3) neuroendocrine neoplasms (G3 NENs) have poor survival outcomes. From a clinical standpoint, G3 NENs are usually grouped regardless of primary site and treated similarly. Little is...
Gastroenteropancreatic NEN (GEP-NEN) are group of malignancies with significant clinical, anatomical and molecular heterogeneity. High-grade GEP-NEN in particular present unique management challenges....
In the current era, multidisciplinary management with access to a combination of functional imaging and targeted molecular profiling can provide important disease characterisation, guide individualise...
Histopathological classifications of neuroendocrine neoplasms (NEN) change regularly and the latest WHO classification published in 2022, which concerns all NEN in the body, attempts to standardize cl...