{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "Complexe répresseur Polycomb-1 : Questions médicales les plus fréquentes",
"headline": "Complexe répresseur Polycomb-1 : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les Complexe répresseur Polycomb-1 : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-03-16",
"dateModified": "2025-03-11",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "Complexe répresseur Polycomb-1"
},
"suggestedMinAge": 18,
"suggestedGender": "unisex"
},
{
"@type": "MedicalAudience",
"name": "Médecins",
"audienceType": "Physician",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "France"
}
},
{
"@type": "MedicalAudience",
"name": "Chercheurs",
"audienceType": "Researcher",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "International"
}
}
],
"reviewedBy": {
"@type": "Person",
"name": "Dr Olivier Menir",
"jobTitle": "Expert en Médecine",
"description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale",
"url": "/static/pages/docteur-olivier-menir.html",
"alumniOf": {
"@type": "EducationalOrganization",
"name": "Université Paris Descartes"
}
},
"isPartOf": {
"@type": "MedicalWebPage",
"name": "Protéines du groupe Polycomb",
"url": "https://questionsmedicales.fr/mesh/D063146",
"about": {
"@type": "MedicalCondition",
"name": "Protéines du groupe Polycomb",
"code": {
"@type": "MedicalCode",
"code": "D063146",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "D12.776.930.780.890"
}
}
},
"about": {
"@type": "MedicalCondition",
"name": "Complexe répresseur Polycomb-1",
"alternateName": "Polycomb Repressive Complex 1",
"code": {
"@type": "MedicalCode",
"code": "D063150",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "Haruhiko Koseki",
"url": "https://questionsmedicales.fr/author/Haruhiko%20Koseki",
"affiliation": {
"@type": "Organization",
"name": "Laboratory for Developmental Genetics, RIKEN Center for Integrative Medical Sciences (RIKEN-IMS), 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan; AMED-CREST, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan."
}
},
{
"@type": "Person",
"name": "Atsushi Iwama",
"url": "https://questionsmedicales.fr/author/Atsushi%20Iwama",
"affiliation": {
"@type": "Organization",
"name": "Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, University of Tokyo, Tokyo, Japan."
}
},
{
"@type": "Person",
"name": "Elena Ezhkova",
"url": "https://questionsmedicales.fr/author/Elena%20Ezhkova",
"affiliation": {
"@type": "Organization",
"name": "Black Family Stem Cell Institute, The Tisch Cancer Institute, Department of Cell, Developmental, and Regenerative Biology, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY 10029, USA. Electronic address: elena.ezhkova@mssm.edu."
}
},
{
"@type": "Person",
"name": "Claudia Köhler",
"url": "https://questionsmedicales.fr/author/Claudia%20K%C3%B6hler",
"affiliation": {
"@type": "Organization",
"name": "Department of Plant Biology, Swedish University of Agricultural Sciences and Linnean Center for Plant Biology, 75007, Uppsala, Sweden. koehler@mpimp-golm.mpg.de."
}
},
{
"@type": "Person",
"name": "Lars Hennig",
"url": "https://questionsmedicales.fr/author/Lars%20Hennig",
"affiliation": {
"@type": "Organization",
"name": "Department of Plant Biology, Swedish University of Agricultural Sciences and Linnean Center for Plant Biology, 75007, Uppsala, Sweden."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "Effects of parent- and child-related behavioral feeding problems in early childhood on malnutrition.",
"datePublished": "2023-03-14",
"url": "https://questionsmedicales.fr/article/36925345",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.arcped.2022.11.018"
}
},
{
"@type": "ScholarlyArticle",
"name": "Relationships between feeding behaviors and emotions: an electroencephalogram (EEG) frequency analysis study.",
"datePublished": "2023-03-03",
"url": "https://questionsmedicales.fr/article/36869303",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1186/s12576-022-00858-w"
}
},
{
"@type": "ScholarlyArticle",
"name": "Emerging central and peripheral actions of spexin in feeding behavior, leptin resistance and obesity.",
"datePublished": "2022-06-06",
"url": "https://questionsmedicales.fr/article/35679893",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.bcp.2022.115121"
}
},
{
"@type": "ScholarlyArticle",
"name": "Short report: The role of oral hypersensitivity in feeding behaviors of young autistic children.",
"datePublished": "2023-02-24",
"url": "https://questionsmedicales.fr/article/36840323",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1177/13623613221135091"
}
},
{
"@type": "ScholarlyArticle",
"name": "Daily variability in mothers' and fathers' feeding practices and associations with children's eating behaviors.",
"datePublished": "2022-06-03",
"url": "https://questionsmedicales.fr/article/35660075",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.appet.2022.106106"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Acides aminés, peptides et protéines",
"item": "https://questionsmedicales.fr/mesh/D000602"
},
{
"@type": "ListItem",
"position": 3,
"name": "Protéines",
"item": "https://questionsmedicales.fr/mesh/D011506"
},
{
"@type": "ListItem",
"position": 4,
"name": "Facteurs de transcription",
"item": "https://questionsmedicales.fr/mesh/D014157"
},
{
"@type": "ListItem",
"position": 5,
"name": "Protéines de répression",
"item": "https://questionsmedicales.fr/mesh/D012097"
},
{
"@type": "ListItem",
"position": 6,
"name": "Protéines du groupe Polycomb",
"item": "https://questionsmedicales.fr/mesh/D063146"
},
{
"@type": "ListItem",
"position": 7,
"name": "Complexe répresseur Polycomb-1",
"item": "https://questionsmedicales.fr/mesh/D063150"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : Complexe répresseur Polycomb-1 - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur Complexe répresseur Polycomb-1",
"description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.",
"datePublished": "2025-05-10",
"inLanguage": "fr",
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Diagnostic",
"headline": "Diagnostic sur Complexe répresseur Polycomb-1",
"description": "Comment diagnostiquer une dysfonction du PRC1 ?\nQuels tests sont utilisés pour évaluer le PRC1 ?\nLe diagnostic nécessite-t-il une biopsie ?\nQuels marqueurs sont associés au PRC1 ?\nLe diagnostic est-il basé sur des symptômes cliniques ?",
"url": "https://questionsmedicales.fr/mesh/D063150?mesh_terms=Feeding+Behavior&page=2#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Complexe répresseur Polycomb-1",
"description": "Quels symptômes indiquent une anomalie du PRC1 ?\nLe PRC1 est-il lié à des cancers spécifiques ?\nLes troubles neurologiques sont-ils liés au PRC1 ?\nLe PRC1 affecte-t-il le métabolisme ?\nY a-t-il des symptômes généraux associés au PRC1 ?",
"url": "https://questionsmedicales.fr/mesh/D063150?mesh_terms=Feeding+Behavior&page=2#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Complexe répresseur Polycomb-1",
"description": "Peut-on prévenir les anomalies liées au PRC1 ?\nY a-t-il des tests de dépistage pour le PRC1 ?\nLes antécédents familiaux influencent-ils le risque ?\nDes conseils génétiques sont-ils disponibles ?\nL'alimentation joue-t-elle un rôle dans la prévention ?",
"url": "https://questionsmedicales.fr/mesh/D063150?mesh_terms=Feeding+Behavior&page=2#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Complexe répresseur Polycomb-1",
"description": "Quels traitements ciblent le PRC1 ?\nLa chimiothérapie est-elle efficace contre les anomalies du PRC1 ?\nDes traitements expérimentaux existent-ils pour le PRC1 ?\nLe PRC1 peut-il être ciblé par des médicaments spécifiques ?\nLes thérapies combinées sont-elles efficaces pour le PRC1 ?",
"url": "https://questionsmedicales.fr/mesh/D063150?mesh_terms=Feeding+Behavior&page=2#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Complexe répresseur Polycomb-1",
"description": "Quelles complications peuvent survenir avec le PRC1 ?\nLe PRC1 est-il lié à des maladies auto-immunes ?\nLes complications sont-elles réversibles ?\nLe PRC1 affecte-t-il la qualité de vie ?\nY a-t-il des complications neurologiques associées ?",
"url": "https://questionsmedicales.fr/mesh/D063150?mesh_terms=Feeding+Behavior&page=2#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Complexe répresseur Polycomb-1",
"description": "Quels sont les facteurs de risque pour le PRC1 ?\nL'âge est-il un facteur de risque pour le PRC1 ?\nLes facteurs environnementaux influencent-ils le PRC1 ?\nLe sexe joue-t-il un rôle dans le risque de PRC1 ?\nLe mode de vie influence-t-il le risque de PRC1 ?",
"url": "https://questionsmedicales.fr/mesh/D063150?mesh_terms=Feeding+Behavior&page=2#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment diagnostiquer une dysfonction du PRC1 ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le diagnostic repose sur des analyses génétiques et des études d'expression génique."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour évaluer le PRC1 ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests de séquençage et des analyses de chromatine sont couramment utilisés."
}
},
{
"@type": "Question",
"name": "Le diagnostic nécessite-t-il une biopsie ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une biopsie peut être nécessaire pour analyser les tissus affectés par le PRC1."
}
},
{
"@type": "Question",
"name": "Quels marqueurs sont associés au PRC1 ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des marqueurs épigénétiques comme les modifications des histones sont souvent analysés."
}
},
{
"@type": "Question",
"name": "Le diagnostic est-il basé sur des symptômes cliniques ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes cliniques peuvent orienter le diagnostic, mais des tests spécifiques sont nécessaires."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent une anomalie du PRC1 ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anomalies de développement et des troubles de la différenciation cellulaire peuvent survenir."
}
},
{
"@type": "Question",
"name": "Le PRC1 est-il lié à des cancers spécifiques ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des mutations dans le PRC1 sont associées à divers types de cancers, notamment le cancer du sein."
}
},
{
"@type": "Question",
"name": "Les troubles neurologiques sont-ils liés au PRC1 ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines études suggèrent un lien entre le PRC1 et des troubles neurologiques, mais les recherches sont en cours."
}
},
{
"@type": "Question",
"name": "Le PRC1 affecte-t-il le métabolisme ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des recherches indiquent que le PRC1 peut influencer le métabolisme cellulaire et énergétique."
}
},
{
"@type": "Question",
"name": "Y a-t-il des symptômes généraux associés au PRC1 ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes comme la fatigue et des anomalies de croissance peuvent être observés."
}
},
{
"@type": "Question",
"name": "Peut-on prévenir les anomalies liées au PRC1 ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "La prévention est difficile, mais un mode de vie sain peut réduire certains risques."
}
},
{
"@type": "Question",
"name": "Y a-t-il des tests de dépistage pour le PRC1 ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Actuellement, il n'existe pas de tests de dépistage standardisés pour les anomalies du PRC1."
}
},
{
"@type": "Question",
"name": "Les antécédents familiaux influencent-ils le risque ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents familiaux de cancers peuvent augmenter le risque d'anomalies du PRC1."
}
},
{
"@type": "Question",
"name": "Des conseils génétiques sont-ils disponibles ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des conseils génétiques peuvent aider à évaluer le risque et à discuter des options de prévention."
}
},
{
"@type": "Question",
"name": "L'alimentation joue-t-elle un rôle dans la prévention ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée peut contribuer à la santé cellulaire, mais ne prévient pas spécifiquement les anomalies du PRC1."
}
},
{
"@type": "Question",
"name": "Quels traitements ciblent le PRC1 ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des inhibiteurs de la méthylation des histones et des thérapies géniques sont explorés."
}
},
{
"@type": "Question",
"name": "La chimiothérapie est-elle efficace contre les anomalies du PRC1 ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "La chimiothérapie peut être utilisée, mais son efficacité dépend du type de cancer associé."
}
},
{
"@type": "Question",
"name": "Des traitements expérimentaux existent-ils pour le PRC1 ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des traitements expérimentaux sont en cours d'évaluation dans des essais cliniques."
}
},
{
"@type": "Question",
"name": "Le PRC1 peut-il être ciblé par des médicaments spécifiques ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des recherches sont en cours pour développer des médicaments ciblant spécifiquement le PRC1."
}
},
{
"@type": "Question",
"name": "Les thérapies combinées sont-elles efficaces pour le PRC1 ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les thérapies combinées peuvent améliorer l'efficacité des traitements contre les cancers liés au PRC1."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec le PRC1 ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des cancers avancés et des troubles de développement sévères."
}
},
{
"@type": "Question",
"name": "Le PRC1 est-il lié à des maladies auto-immunes ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des études suggèrent un lien potentiel entre le PRC1 et certaines maladies auto-immunes."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles réversibles ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines complications peuvent être gérées, mais d'autres peuvent être irréversibles."
}
},
{
"@type": "Question",
"name": "Le PRC1 affecte-t-il la qualité de vie ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les anomalies du PRC1 peuvent significativement affecter la qualité de vie des patients."
}
},
{
"@type": "Question",
"name": "Y a-t-il des complications neurologiques associées ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines anomalies du PRC1 peuvent entraîner des complications neurologiques, comme des troubles cognitifs."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour le PRC1 ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent des mutations génétiques, des antécédents familiaux et des expositions environnementales."
}
},
{
"@type": "Question",
"name": "L'âge est-il un facteur de risque pour le PRC1 ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains types de cancers liés au PRC1 sont plus fréquents chez les personnes âgées."
}
},
{
"@type": "Question",
"name": "Les facteurs environnementaux influencent-ils le PRC1 ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des expositions à des agents cancérigènes peuvent augmenter le risque d'anomalies du PRC1."
}
},
{
"@type": "Question",
"name": "Le sexe joue-t-il un rôle dans le risque de PRC1 ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains cancers liés au PRC1 montrent des différences de prévalence entre les sexes."
}
},
{
"@type": "Question",
"name": "Le mode de vie influence-t-il le risque de PRC1 ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie malsain, comme le tabagisme, peut augmenter le risque d'anomalies du PRC1."
}
}
]
}
]
}
Children's responses to food and their caregivers during normal developmental periods are known as feeding behavior. For the healthy development of these behaviors, parent and child relationships must...
The Behavioral Pediatric Nutrition Assessment Scale (BPFAS) was administered to 300 malnourished and 300 control pediatric patients aged from 9 months to 4 years who were referred to our pediatric gas...
There was no statistically significant difference between patients with and without malnutrition in terms of gender and age (p = 0.191, p = 0.128, respectively). Total behavioral frequency (TBF) and t...
Our study showed that behavioral feeding problems may increase the risk of PM and that behavioral therapy together with enteral products has a positive effect on treatment. Therefore, in addition to n...
Feeding behaviors may be easily affected by emotions, both being based on brain activity; however, the relationships between them have not been explicitly defined. In this study, we investigated how e...
Consumption of a high calorie diet with irregular eating and sedentary behavior habits is typical of the current suboptimal lifestyle, contributing to the development of metabolic diseases such as obe...
Feeding problems are common among autistic children and are linked to negative health consequences. Therefore, understanding feeding problems and factors that influence these behaviors is important fo...
The current study explores daily variability in maternal and paternal pressuring, restrictive, and structure-related feeding practices and their associations with child energy regulation and food refu...
Breastfeeding rates fall short of public health goals, but barriers are poorly understood. We examined whether excessive sleepiness during pregnancy and the postpartum period was associated with breas...
Parent perceived stress has been associated with child obesogenic eating, as parents who are stressed may be less responsive to their children during mealtimes (Gemmill et al., 2013). More recently, m...
Understanding children's feeding practices and eating behaviors is important to determine etiology of childhood obesity. This study aimed to explore the relationship between early feeding practices, e...
The data were collected from 403 primary school children. They were administered structured questionnaire, including sociodemographic characteristics, early feeding practices and Child's Eating Behavi...
Children with obesity and overweight showed higher food approach subscales and lower food avoidance subscales compared to a healthy and underweight child. Children who were exclusively or predominantl...
Early feeding practices and eating behavior are considered as prevention approaches for obesity....
High adherence and proper usage of micronutrient powder (MNP) influence child nutritional outcomes, yet few studies explore the role of delivery patterns. This study explores the association between M...
In August 2019, a total of 1021 caregiver-child pairs were selected through a four-stage cluster sampling process. A cross-sectional survey collected information on caregiver demographics, MNP deliver...
The results indicated that minority caregivers had lower levels of proper MNP usage than did Han caregivers (89.2%), with Tibetan caregivers' reporting the lowest rates of adherence (32.6%). Logistic ...
In conclusion, the study finds evidence of a correlation between MNP delivery channel and both proper usage and high adherence as well as a correlation between MNP delivery frequency and high adherenc...
Environmental cues and internal states such as mood, reward, or aversion directly influence feeding behaviors beyond homeostatic necessity. The hypothalamus has been extensively investigated for its r...