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Cellules
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Cellules cancéreuses en culture
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Cellules THP-1
Cellules THP-1 : Questions médicales fréquentes
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"text": "Les cellules THP-1 sont identifiées par leur morphologie et leur expression de marqueurs spécifiques."
}
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{
"@type": "Question",
"name": "Quels tests sont utilisés pour caractériser les cellules THP-1 ?",
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"text": "Des tests comme la cytométrie en flux et l'immunofluorescence sont utilisés."
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"@type": "Question",
"name": "Les cellules THP-1 peuvent-elles être contaminées ?",
"position": 3,
"acceptedAnswer": {
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"text": "Oui, comme toutes les lignées cellulaires, elles peuvent être contaminées par des bactéries ou des mycoplasmes."
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{
"@type": "Question",
"name": "Quelle est la source des cellules THP-1 ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les cellules THP-1 proviennent de la moelle osseuse d'un patient atteint de leucémie."
}
},
{
"@type": "Question",
"name": "Les cellules THP-1 sont-elles sensibles à des médicaments ?",
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"text": "Oui, elles sont souvent utilisées pour tester la sensibilité à divers agents pharmacologiques."
}
},
{
"@type": "Question",
"name": "Quels sont les marqueurs d'activation des cellules THP-1 ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les marqueurs incluent CD14, CD11b et CD68, indiquant leur activation."
}
},
{
"@type": "Question",
"name": "Les cellules THP-1 montrent-elles des signes d'inflammation ?",
"position": 7,
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"text": "Oui, elles produisent des cytokines pro-inflammatoires lorsqu'elles sont activées."
}
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"name": "Comment les cellules THP-1 réagissent-elles aux pathogènes ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles phagocytent les pathogènes et sécrètent des médiateurs inflammatoires."
}
},
{
"@type": "Question",
"name": "Les cellules THP-1 peuvent-elles se différencier ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent se différencier en macrophages sous l'influence de certains facteurs."
}
},
{
"@type": "Question",
"name": "Quels effets ont les cytokines sur les cellules THP-1 ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les cytokines modulent leur activation et leur capacité à produire d'autres médiateurs."
}
},
{
"@type": "Question",
"name": "Comment prévenir la contamination des cellules THP-1 ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utiliser des techniques aseptiques et vérifier régulièrement la pureté cellulaire."
}
},
{
"@type": "Question",
"name": "Quelles conditions de culture sont idéales pour les cellules THP-1 ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles nécessitent un milieu riche en nutriments et une température contrôlée."
}
},
{
"@type": "Question",
"name": "Les cellules THP-1 nécessitent-elles des soins particuliers ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles doivent être manipulées avec précaution pour éviter le stress cellulaire."
}
},
{
"@type": "Question",
"name": "Comment assurer la viabilité des cellules THP-1 ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Maintenir des conditions optimales de culture et éviter les cycles de congélation-décongélation."
}
},
{
"@type": "Question",
"name": "Les cellules THP-1 peuvent-elles être cryogénisées ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent être cryogénisées pour une conservation à long terme."
}
},
{
"@type": "Question",
"name": "Comment les cellules THP-1 sont-elles utilisées en recherche ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles sont utilisées pour étudier les mécanismes immunitaires et tester des médicaments."
}
},
{
"@type": "Question",
"name": "Peut-on modifier génétiquement les cellules THP-1 ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des techniques comme CRISPR peuvent être utilisées pour modifier leur génome."
}
},
{
"@type": "Question",
"name": "Quels traitements sont testés sur les cellules THP-1 ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des traitements anti-inflammatoires et anticancéreux sont souvent testés."
}
},
{
"@type": "Question",
"name": "Les cellules THP-1 peuvent-elles être utilisées pour des tests de toxicité ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles sont souvent utilisées pour évaluer la toxicité des composés chimiques."
}
},
{
"@type": "Question",
"name": "Comment les cellules THP-1 aident-elles à comprendre les maladies ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles modélisent des maladies inflammatoires et infectieuses pour étudier les mécanismes."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir lors de l'utilisation des cellules THP-1 ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des résultats biaisés peuvent survenir si les cellules sont contaminées ou mal caractérisées."
}
},
{
"@type": "Question",
"name": "Les cellules THP-1 peuvent-elles induire des réponses immunitaires indésirables ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent parfois produire des réponses immunitaires non spécifiques."
}
},
{
"@type": "Question",
"name": "Quels risques sont associés à la manipulation des cellules THP-1 ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le risque principal est la contamination croisée avec d'autres lignées cellulaires."
}
},
{
"@type": "Question",
"name": "Les cellules THP-1 peuvent-elles être affectées par des agents externes ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des agents comme les toxines ou les médicaments peuvent altérer leur fonction."
}
},
{
"@type": "Question",
"name": "Comment minimiser les complications lors des expériences avec THP-1 ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Suivre des protocoles stricts et effectuer des contrôles réguliers de qualité."
}
},
{
"@type": "Question",
"name": "Quels facteurs influencent la croissance des cellules THP-1 ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des facteurs comme la température, le pH et la composition du milieu influencent leur croissance."
}
},
{
"@type": "Question",
"name": "Les cellules THP-1 sont-elles sensibles à des agents environnementaux ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent être affectées par des agents chimiques ou physiques dans leur environnement."
}
},
{
"@type": "Question",
"name": "Quels traitements peuvent affecter les cellules THP-1 ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des traitements comme les cytokines ou les médicaments peuvent moduler leur activité."
}
},
{
"@type": "Question",
"name": "Les cellules THP-1 sont-elles affectées par le stress oxydatif ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress oxydatif peut altérer leur fonction et leur viabilité."
}
},
{
"@type": "Question",
"name": "Quels facteurs génétiques influencent les cellules THP-1 ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des variations génétiques peuvent affecter leur réponse aux stimuli immunitaires."
}
}
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In this paper, we analyze the strong feedback limit of two negative feedback schemes which have proven to be efficient for many biological processes (protein synthesis, immune responses, breathing dis...
Receiving feedback from different types of assessors (e.g., senior residents, staff supervisors) may impact trainees' perceptions of the quantity and quality of data during entrustable professional ac...
From a database of 2228 EPAs, we calculated the frequency of contribution from three assessor groups. We appraised the quality of 60 procedure-related EPAs completed between July 2019 and March 2020 u...
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Research in psychology and education indicates that corrective feedback can be a powerful learning tool. We provide a developmental perspective to focus specifically on how corrective feedback influen...
Narrative written feedback given to students by faculty often fails to identify areas for improvement and recommended actions to lead to this improvement. When these elements are missing, it is challe...
We used Kern's steps to build a curriculum with general and individualised one-on-one faculty development to improve the problem of inadequate narrative written feedback. We used a novel narrative fee...
Through general and individualised one-on-one faculty development with peer comparison scores, we were able to improve narrative written feedback from 3.7/6 to 4.6/6, for an increase of 23%....
We found our faculty development program effective in improving feedback and was easy to implement. Our rubric was easy to use, and faculty were receptive to feedback in one-on-one meetings. We plan t...
When performance data are provided as feedback to healthcare professionals, they may use it to significantly improve care quality. However, the question of how to provide effective feedback remains un...
We iteratively represented models of feedback's influence from theories of motivation and behavior change, visualization, and human-computer interaction. Through cycles of discussion and reflection, a...
We propose that precision feedback is feedback that is prioritized according to its motivational potential for a specific recipient. We identified three factors that influence motivational potential: ...
We propose a model of precision feedback that is aligned with leading theories of feedback interventions to support learning about the success of feedback interventions. We plan to evaluate this model...
Accessible and efficient opportunities for health professional faculty to hone feedback skills are limited. In addition, feedback models to apply to the objective structured clinical examination (OSCE...
Annually, paediatric interns from Children's National Hospital and Walter Reed National Military Medical Center participate in an OSCE, which includes faculty observation and immediate feedback to tra...
Comparison of the initial evaluation to the post-SOAP Feedback Training Program intervention data using a Wilcoxon signed rank test showed statistically significant improvement in six of eight feedbac...
The SOAP Feedback Training Program is an effective intervention to teach the SOAP feedback model and improve faculty feedback quality in an OSCE setting. It is efficient and low resource, facilitating...
Agricultural irrigation induces greenhouse gas emissions directly from soils or indirectly through the use of energy or construction of dams and irrigation infrastructure, while climate change affects...
Plants and their environments engage in feedback loops that not only affect individuals, but also scale up to the ecosystem level. Community-level negative feedback facilitates local diversity, while ...
Tropical forests are complex systems containing myriad interactions and feedbacks with their biotic and abiotic environments, but as the world changes fast, the future of these ecosystems becomes incr...
Behavioural individuality is a hallmark of animal life, with major consequences for fitness, ecology, and evolution. One of the most widely invoked explanations for this variation is that feedback loo...