{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "Cellules de Leydig : Questions médicales les plus fréquentes",
"headline": "Cellules de Leydig : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les Cellules de Leydig : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-07-18",
"dateModified": "2025-04-14",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "Cellules de Leydig"
},
"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": "Cellules épithéliales",
"url": "https://questionsmedicales.fr/mesh/D004847",
"about": {
"@type": "MedicalCondition",
"name": "Cellules épithéliales",
"code": {
"@type": "MedicalCode",
"code": "D004847",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "A11.436"
}
}
},
"about": {
"@type": "MedicalCondition",
"name": "Cellules de Leydig",
"alternateName": "Leydig Cells",
"code": {
"@type": "MedicalCode",
"code": "D007985",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "Ren-Shan Ge",
"url": "https://questionsmedicales.fr/author/Ren-Shan%20Ge",
"affiliation": {
"@type": "Organization",
"name": "Department of Anesthesiology, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China. Electronic address: r_ge@yahoo.com."
}
},
{
"@type": "Person",
"name": "Yiyan Wang",
"url": "https://questionsmedicales.fr/author/Yiyan%20Wang",
"affiliation": {
"@type": "Organization",
"name": "Department of Anesthesiology, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China."
}
},
{
"@type": "Person",
"name": "Xiaoheng Li",
"url": "https://questionsmedicales.fr/author/Xiaoheng%20Li",
"affiliation": {
"@type": "Organization",
"name": "Department of Anesthesiology, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China."
}
},
{
"@type": "Person",
"name": "Qiqi Zhu",
"url": "https://questionsmedicales.fr/author/Qiqi%20Zhu",
"affiliation": {
"@type": "Organization",
"name": "Department of Anesthesiology, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China."
}
},
{
"@type": "Person",
"name": "Huitao Li",
"url": "https://questionsmedicales.fr/author/Huitao%20Li",
"affiliation": {
"@type": "Organization",
"name": "Department of Anesthesiology, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "Post-translational modifications on the retinoblastoma protein.",
"datePublished": "2022-06-01",
"url": "https://questionsmedicales.fr/article/35650644",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1186/s12929-022-00818-x"
}
},
{
"@type": "ScholarlyArticle",
"name": "Control of protein stability by post-translational modifications.",
"datePublished": "2023-01-13",
"url": "https://questionsmedicales.fr/article/36639369",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1038/s41467-023-35795-8"
}
},
{
"@type": "ScholarlyArticle",
"name": "Chemical and Enzymatic Methods for Post-Translational Protein-Protein Conjugation.",
"datePublished": "2022-07-31",
"url": "https://questionsmedicales.fr/article/35912579",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1021/jacs.2c00129"
}
},
{
"@type": "ScholarlyArticle",
"name": "Studying Reversible Protein Post-translational Modification through Co-translational Modification.",
"datePublished": "2023-02-28",
"url": "https://questionsmedicales.fr/article/36691854",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1002/cbic.202200716"
}
},
{
"@type": "ScholarlyArticle",
"name": "Post-translational modifications of histone proteins by monoamine neurotransmitters.",
"datePublished": "2023-04-11",
"url": "https://questionsmedicales.fr/article/37054563",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.cbpa.2023.102302"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Cellules",
"item": "https://questionsmedicales.fr/mesh/D002477"
},
{
"@type": "ListItem",
"position": 3,
"name": "Cellules épithéliales",
"item": "https://questionsmedicales.fr/mesh/D004847"
},
{
"@type": "ListItem",
"position": 4,
"name": "Cellules de Leydig",
"item": "https://questionsmedicales.fr/mesh/D007985"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : Cellules de Leydig - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur Cellules de Leydig",
"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 Cellules de Leydig",
"description": "Comment diagnostiquer une dysfonction des cellules de Leydig ?\nQuels tests sont utilisés pour évaluer les cellules de Leydig ?\nQuels signes indiquent une insuffisance des cellules de Leydig ?\nComment évaluer la fonction des cellules de Leydig ?\nQuel rôle joue l'échographie dans le diagnostic ?",
"url": "https://questionsmedicales.fr/mesh/D007985?mesh_terms=Protein+Processing,+Post-Translational#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Cellules de Leydig",
"description": "Quels symptômes sont associés à une hyperplasie des cellules de Leydig ?\nComment reconnaître une carence en testostérone ?\nQuels signes cliniques indiquent une tumeur des cellules de Leydig ?\nQuels symptômes peuvent indiquer un déséquilibre hormonal ?\nComment les symptômes varient-ils selon l'âge ?",
"url": "https://questionsmedicales.fr/mesh/D007985?mesh_terms=Protein+Processing,+Post-Translational#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Cellules de Leydig",
"description": "Comment prévenir les troubles des cellules de Leydig ?\nQuels examens réguliers sont recommandés ?\nComment éviter les facteurs de risque liés à l'environnement ?\nQuel rôle joue l'alimentation dans la santé des cellules de Leydig ?\nComment le stress affecte-t-il les cellules de Leydig ?",
"url": "https://questionsmedicales.fr/mesh/D007985?mesh_terms=Protein+Processing,+Post-Translational#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Cellules de Leydig",
"description": "Quels traitements existent pour l'insuffisance des cellules de Leydig ?\nComment traiter une hyperplasie des cellules de Leydig ?\nQuels sont les effets secondaires de la thérapie de testostérone ?\nQuand envisager une intervention chirurgicale ?\nQuels médicaments sont utilisés pour traiter les troubles hormonaux ?",
"url": "https://questionsmedicales.fr/mesh/D007985?mesh_terms=Protein+Processing,+Post-Translational#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Cellules de Leydig",
"description": "Quelles complications peuvent survenir avec une tumeur des cellules de Leydig ?\nQuels risques sont associés à une thérapie de testostérone prolongée ?\nComment une insuffisance des cellules de Leydig affecte-t-elle la fertilité ?\nQuelles sont les conséquences d'un déséquilibre hormonal ?\nQuels effets à long terme peut avoir une hyperplasie des cellules de Leydig ?",
"url": "https://questionsmedicales.fr/mesh/D007985?mesh_terms=Protein+Processing,+Post-Translational#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Cellules de Leydig",
"description": "Quels facteurs augmentent le risque de tumeurs des cellules de Leydig ?\nComment l'exposition à des produits chimiques affecte-t-elle les cellules de Leydig ?\nQuel rôle joue l'obésité dans la santé des cellules de Leydig ?\nQuels comportements augmentent le risque de dysfonction des cellules de Leydig ?\nComment le stress chronique influence-t-il les cellules de Leydig ?",
"url": "https://questionsmedicales.fr/mesh/D007985?mesh_terms=Protein+Processing,+Post-Translational#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment diagnostiquer une dysfonction des cellules de Leydig ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un dosage hormonal et une échographie testiculaire peuvent aider au diagnostic."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour évaluer les cellules de Leydig ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les tests sanguins pour mesurer les niveaux de testostérone et LH sont courants."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une insuffisance des cellules de Leydig ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une baisse de libido, fatigue et troubles de l'érection peuvent indiquer une insuffisance."
}
},
{
"@type": "Question",
"name": "Comment évaluer la fonction des cellules de Leydig ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'évaluation se fait par des tests hormonaux et l'examen clinique des symptômes."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'échographie dans le diagnostic ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'échographie permet de visualiser les testicules et détecter des anomalies structurelles."
}
},
{
"@type": "Question",
"name": "Quels symptômes sont associés à une hyperplasie des cellules de Leydig ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une augmentation de la testostérone peut causer l'acné, l'hypertrichose et l'agressivité."
}
},
{
"@type": "Question",
"name": "Comment reconnaître une carence en testostérone ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent fatigue, dépression, perte de masse musculaire et libido réduite."
}
},
{
"@type": "Question",
"name": "Quels signes cliniques indiquent une tumeur des cellules de Leydig ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des douleurs testiculaires, une masse palpable et des changements hormonaux peuvent survenir."
}
},
{
"@type": "Question",
"name": "Quels symptômes peuvent indiquer un déséquilibre hormonal ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des troubles de l'érection, des sautes d'humeur et une prise de poids peuvent être présents."
}
},
{
"@type": "Question",
"name": "Comment les symptômes varient-ils selon l'âge ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes de dysfonction peuvent s'aggraver avec l'âge, affectant la libido et l'énergie."
}
},
{
"@type": "Question",
"name": "Comment prévenir les troubles des cellules de Leydig ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sain, incluant une alimentation équilibrée et de l'exercice, peut aider."
}
},
{
"@type": "Question",
"name": "Quels examens réguliers sont recommandés ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des examens médicaux réguliers et des bilans hormonaux peuvent aider à détecter des problèmes tôt."
}
},
{
"@type": "Question",
"name": "Comment éviter les facteurs de risque liés à l'environnement ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Réduire l'exposition aux toxines environnementales et aux perturbateurs endocriniens est crucial."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'alimentation dans la santé des cellules de Leydig ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation riche en nutriments essentiels peut soutenir la fonction hormonale et cellulaire."
}
},
{
"@type": "Question",
"name": "Comment le stress affecte-t-il les cellules de Leydig ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le stress chronique peut perturber l'équilibre hormonal et affecter la fonction des cellules de Leydig."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour l'insuffisance des cellules de Leydig ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "La thérapie de remplacement de la testostérone est couramment utilisée pour traiter l'insuffisance."
}
},
{
"@type": "Question",
"name": "Comment traiter une hyperplasie des cellules de Leydig ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement peut inclure des médicaments anti-androgènes ou une intervention chirurgicale."
}
},
{
"@type": "Question",
"name": "Quels sont les effets secondaires de la thérapie de testostérone ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les effets secondaires peuvent inclure l'acné, la rétention d'eau et des troubles du sommeil."
}
},
{
"@type": "Question",
"name": "Quand envisager une intervention chirurgicale ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une chirurgie peut être envisagée en cas de tumeur des cellules de Leydig ou d'anomalies structurelles."
}
},
{
"@type": "Question",
"name": "Quels médicaments sont utilisés pour traiter les troubles hormonaux ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des médicaments comme les inhibiteurs de l'aromatase peuvent être prescrits pour équilibrer les hormones."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec une tumeur des cellules de Leydig ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent la propagation du cancer et des déséquilibres hormonaux graves."
}
},
{
"@type": "Question",
"name": "Quels risques sont associés à une thérapie de testostérone prolongée ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une thérapie prolongée peut augmenter le risque de maladies cardiovasculaires et de cancer de la prostate."
}
},
{
"@type": "Question",
"name": "Comment une insuffisance des cellules de Leydig affecte-t-elle la fertilité ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut entraîner une oligospermie ou une azoospermie, réduisant ainsi la fertilité masculine."
}
},
{
"@type": "Question",
"name": "Quelles sont les conséquences d'un déséquilibre hormonal ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les conséquences peuvent inclure des troubles de l'humeur, des problèmes de libido et des dysfonctionnements érectiles."
}
},
{
"@type": "Question",
"name": "Quels effets à long terme peut avoir une hyperplasie des cellules de Leydig ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "À long terme, cela peut entraîner des problèmes métaboliques et des troubles endocriniens."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque de tumeurs des cellules de Leydig ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'âge, des antécédents familiaux et des anomalies testiculaires sont des facteurs de risque connus."
}
},
{
"@type": "Question",
"name": "Comment l'exposition à des produits chimiques affecte-t-elle les cellules de Leydig ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'exposition à des perturbateurs endocriniens peut altérer la fonction des cellules de Leydig."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'obésité dans la santé des cellules de Leydig ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'obésité peut entraîner des déséquilibres hormonaux et affecter la production de testostérone."
}
},
{
"@type": "Question",
"name": "Quels comportements augmentent le risque de dysfonction des cellules de Leydig ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le tabagisme, l'alcoolisme et un mode de vie sédentaire sont des comportements à risque."
}
},
{
"@type": "Question",
"name": "Comment le stress chronique influence-t-il les cellules de Leydig ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le stress chronique peut perturber l'axe hypothalamo-hypophyso-testiculaire, affectant la fonction."
}
}
]
}
]
}
Department of Anesthesiology, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China. Electronic address: r_ge@yahoo.com.
Center of Reproductive Medicine, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, 325003, China.
Zhejiang Provincial Key Laboratory of Anesthesiology, Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Department of Gynecology and Obstetrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Zhejiang Provincial Key Laboratory of Anesthesiology, Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Department of Gynecology and Obstetrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Department of Pharmacology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Laboratory for Chronobiology and Aging, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Dositeja Obradovica Sq 2, 21000, Novi Sad, Serbia.
Laboratory for Reproductive Endocrinology and Signaling, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Dositeja Obradovica Sq 2, 21000, Novi Sad, Serbia.
Laboratory for Chronobiology and Aging, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Dositeja Obradovica Sq 2, 21000, Novi Sad, Serbia. tatjana.kostic@dbe.uns.ac.rs.
Laboratory for Reproductive Endocrinology and Signaling, Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Dositeja Obradovica Sq 2, 21000, Novi Sad, Serbia. tatjana.kostic@dbe.uns.ac.rs.
Zhejiang Provincial Key Laboratory of Anesthesiology, Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Zhejiang Provincial Key Laboratory of Anesthesiology, Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Department of Anesthesiology, Perioperative Medicine, Zhejiang Province Key Lab of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China.
Department of Gynecology and Obstetrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China.
Department of Gynecology and Obstetrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China.
The retinoblastoma protein (pRb) functions as a cell cycle regulator controlling G1 to S phase transition and plays critical roles in tumour suppression. It is frequently inactivated in various tumour...
Post-translational modifications (PTMs) can occur on specific amino acids localized within regulatory domains of target proteins, which control a protein's stability. These regions, called degrons, ar...
Fusion proteins play an essential role in the biosciences but suffer from several key limitations, including the requirement for N-to-C terminal ligation, incompatibility of constituent domains, incor...
Understanding the post-translational modifications of targeted proteins is of great significance for manipulating the physiological processes of eukaryotes. Chemical biology tools have been used to in...
Protein monoaminylation is a biochemical process through which biogenic monoamines (e.g., serotonin, dopamine, histamine, etc.) are covalently bonded to certain protein substrates via Transglutaminase...
Involving addition of chemical groups or protein units to specific residues of the target protein, post-translational modifications (PTMs) alter the charge, hydrophobicity, and conformation of a prote...
Human calprotectin (CP, S100A8/S100A9 oligomer) is an abundant neutrophil protein that contributes to innate immunity by sequestering nutrient metal ions in the extracellular space. This process starv...
Protein post-translational modification (PTM) is a regulatory mechanism for protein activity modulation, localization, expression, and interactions with other cellular molecules. It involves the addit...
Pentosinane is a structurally complex nonenzymatic post-translational modification of proteins believed to be present in all living things. It falls into the category of advanced glycation end product...
Adipocytes are adipose tissues that supply energy to the body through lipids. The two main types of adipocytes comprise white adipocytes (WAT) that store energy, and brown adipocytes (BAT), which gene...