Letteratura scientifica selezionata sul tema "Identification de cibles thérapeutiques"
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Articoli di riviste sul tema "Identification de cibles thérapeutiques"
Bruchard, Mélanie, e François Ghiringhelli. "Modulation de l’immunosuppression par des chimiothérapies et identification de nouvelles cibles thérapeutiques". Bulletin du Cancer 101, n. 6 (giugno 2014): 605–7. http://dx.doi.org/10.1684/bdc.2014.1936.
Testo completoMkaddem, S. Ben, M. Benhamou, E. Daugas, N. Charles e R. Monteiro. "Identification de nouveaux marqueurs pronostiques et cibles thérapeutiques de la néphrite lupique". Néphrologie & Thérapeutique 13, n. 5 (settembre 2017): 302–3. http://dx.doi.org/10.1016/j.nephro.2017.08.016.
Testo completoMiossec, Pierre. "Lupus et cytokines : compréhension des signes cliniques et identification des cibles thérapeutiques". Revue du Rhumatisme 72, n. 2 (febbraio 2005): 126–29. http://dx.doi.org/10.1016/j.rhum.2004.11.007.
Testo completoDelahaye-Duriez, Andrée, Clémence Réda e Pierre Gressens. "Identification de cibles thérapeutiques et repositionnement de médicaments par analyses de réseaux géniques". médecine/sciences 35, n. 6-7 (giugno 2019): 515–18. http://dx.doi.org/10.1051/medsci/2019108.
Testo completoArchange, C., S. Vasseur, M. Barthet, E. Calvo, J. Iovanna e J. C. Dagorn. "Identification des gènes nécessaires au développement des tumeurs pancréatiques, nouvelles cibles thérapeutiques potentielles". Gastroentérologie Clinique et Biologique 29, n. 4 (aprile 2005): 448. http://dx.doi.org/10.1016/s0399-8320(05)80805-x.
Testo completoRAYNAUD, C., L. LETRILLIART e P.-Y. MEUNIER. "IDENTIFICATION DES SYSTEMES D'AIDE A LA DECISION MEDICALE EVALUES EN SOINS PRIMAIRES. UNE REVUE SYSTEMATIQUE DE LA LITTERATURE". EXERCER 34, n. 189 (1 gennaio 2023): 28–35. http://dx.doi.org/10.56746/exercer.2023.189.28.
Testo completoBois, Antoine, Matthieu Jamme e Guillaume Geri. "Pronostic rénal après une insuffisance rénale aiguë". Médecine Intensive Réanimation 31, n. 1 (21 marzo 2022): 11–20. http://dx.doi.org/10.37051/mir-00092.
Testo completoGuiard, B., H. Pintana, J. Zemdegs, S. Chattipakorn e C. Rampon. "CA-148: Diabète de type 2 et troubles cognitifs : identification de nouvelles cibles thérapeutiques pour le traitement de la maladie d'Alzheimer". Diabetes & Metabolism 42 (marzo 2016): A75. http://dx.doi.org/10.1016/s1262-3636(16)30280-4.
Testo completoBueno, L. "Cibles thérapeutiques". Gastroentérologie Clinique et Biologique 33 (febbraio 2009): S59—S67. http://dx.doi.org/10.1016/s0399-8320(09)71526-x.
Testo completoVanoverschelde, J. L. "Microbulles cibles et thérapeutiques". Annales de Cardiologie et d'Angéiologie 51, n. 4 (settembre 2002): 223–24. http://dx.doi.org/10.1016/s0003-3928(02)00114-2.
Testo completoTesi sul tema "Identification de cibles thérapeutiques"
Colleville, Bérénice. "Identification de nouvelles cibles thérapeutiques dans le rétrécissement aortique". Thesis, Normandie, 2019. http://www.theses.fr/2019NORMR084/document.
Testo completoAortic stenosis (AS) is the most common valvulopathy in Western countries and affects approximately 2% of subjects over 65 years of age. Originally considered a passive age-related degeneration of the aortic valve, AS is currently considered a complex and highly regulated pathology that results in thickening and calcification of aortic valve leaflets. To date the mechanisms initiating and promoting the progression of AS are not completely understood and secondly, no treatment has been effective to slow or stop its evolution. Aortic valve replacement (surgical or percutaneous) remains the only treatment for severe aortic stenosis. On the other hand, there is no reliable and reproducible animal model of AS to better understand the pathophysiology of this valvulopathy and to test new therapeutic targets. In the laboratory, we hypothesized that valvular endothelial dysfunction plays an important role in the initiation and progression of AS and we wish to use an animal model to evaluate the effect of new therapeutics. This work focuses on assessing the role of the endothelinergic system in AS and the development of a novel mouse animal model of AS. First, we used the EgfrWa2/Wa2 mouse model. This model is induced by the substitution of the amino glycine residue by a valine. The EgfrWa2/Wa2 mice homozygous for the mutation have their tyrosine kinase activity decreased by 90%. This model induces fibrous thickening of the leaflets with little calcification, but the increase in transaortic flow is not related to AS but to aortic regurgitation (AR). In this model we evaluated the effect of a fat-enriched diet and vitamin D3 supplementation. Despite increased serum levels of cholesterol, vitamin D3 and serum calcium, we did not observe an increase in calcification. The EgfrWa2/Wa2 model remains essentially a model of AR whereas AS remains rare or absent. Second, we evaluated the role of the endothelinergic system in primary cultures of human interstitial valvular (hVICs) and endothelial (hVECs) cells, obtained from AS patients treated by surgical aortic valve replacement. The valves of patients treated by a Bentall procedure were used as a control group. We first observed, by quantitative RT-PCR, that stenotic valves showed an increase in mRNA encoding endothelin and for its ET-B receptor and a decrease in the endothelin converting enzyme in the hVECs compared to the control valves. The ET-B receptor was also overexpressed in the hVICs compared to the control valves. We did not find any variation in expression of its ET-A receptor in hVICs. We then assessed the effect of endothelin-1 (ET-1) in the hVICs. We found that hVICs calcify when they are in the presence of ET-1. These data suggest involvement of the endothelinergic system in aortic valve calcification. Further studies are needed to better understand its involvement, notably by evaluating the effect of endothelin receptor antagonist in hVICs cultures and then in a reliable animal model mimicking this pathology
Colleville, Bérénice. "Identification de nouvelles cibles thérapeutiques dans le rétrécissement aortique". Electronic Thesis or Diss., Normandie, 2019. http://www.theses.fr/2019NORMR084.
Testo completoAortic stenosis (AS) is the most common valvulopathy in Western countries and affects approximately 2% of subjects over 65 years of age. Originally considered a passive age-related degeneration of the aortic valve, AS is currently considered a complex and highly regulated pathology that results in thickening and calcification of aortic valve leaflets. To date the mechanisms initiating and promoting the progression of AS are not completely understood and secondly, no treatment has been effective to slow or stop its evolution. Aortic valve replacement (surgical or percutaneous) remains the only treatment for severe aortic stenosis. On the other hand, there is no reliable and reproducible animal model of AS to better understand the pathophysiology of this valvulopathy and to test new therapeutic targets. In the laboratory, we hypothesized that valvular endothelial dysfunction plays an important role in the initiation and progression of AS and we wish to use an animal model to evaluate the effect of new therapeutics. This work focuses on assessing the role of the endothelinergic system in AS and the development of a novel mouse animal model of AS. First, we used the EgfrWa2/Wa2 mouse model. This model is induced by the substitution of the amino glycine residue by a valine. The EgfrWa2/Wa2 mice homozygous for the mutation have their tyrosine kinase activity decreased by 90%. This model induces fibrous thickening of the leaflets with little calcification, but the increase in transaortic flow is not related to AS but to aortic regurgitation (AR). In this model we evaluated the effect of a fat-enriched diet and vitamin D3 supplementation. Despite increased serum levels of cholesterol, vitamin D3 and serum calcium, we did not observe an increase in calcification. The EgfrWa2/Wa2 model remains essentially a model of AR whereas AS remains rare or absent. Second, we evaluated the role of the endothelinergic system in primary cultures of human interstitial valvular (hVICs) and endothelial (hVECs) cells, obtained from AS patients treated by surgical aortic valve replacement. The valves of patients treated by a Bentall procedure were used as a control group. We first observed, by quantitative RT-PCR, that stenotic valves showed an increase in mRNA encoding endothelin and for its ET-B receptor and a decrease in the endothelin converting enzyme in the hVECs compared to the control valves. The ET-B receptor was also overexpressed in the hVICs compared to the control valves. We did not find any variation in expression of its ET-A receptor in hVICs. We then assessed the effect of endothelin-1 (ET-1) in the hVICs. We found that hVICs calcify when they are in the presence of ET-1. These data suggest involvement of the endothelinergic system in aortic valve calcification. Further studies are needed to better understand its involvement, notably by evaluating the effect of endothelin receptor antagonist in hVICs cultures and then in a reliable animal model mimicking this pathology
Rakotondrahaso, Valomanda. "Identification de nouvelles cibles thérapeutiques dans le cancer de la prostate". Thesis, Montpellier, 2019. http://www.theses.fr/2019MONTT023/document.
Testo completoIn France, prostate cancer is the most frequently diagnosed male cancer and its progression is tightly associated with the androgen signals. One of the major treatments for prostate cancer is androgen deprivation therapy which is based on blocking the production or action of the androgens to induce a tumor growth inhibition. Most patients respond to this therapy, however they still reach a castration-resistant stage which is associated with a poor prognosis. Since the progression till this late cancer stage is still driven by the androgen signaling pathway, the second-line therapy is focused on targeting the active androgen receptor by using a second-generation anti-androgens: the Enzalutamide. This molecule disrupts the interaction between the androgen receptor and its ligand, it can block the nuclear translocation of the receptor and it also prevents the receptor interaction with DNA. Although Enzalutamide treatment has enhance the patient survival, some drug resistance still arises which is a considerable therapeutic challenge.The main objective of my thesis is to identify new proteins in order to improve the therapeutic effects of Enzalutamide or to overcome resistance to this drug. Thus, in our study, we assumed that Enzalutamide treatment induces the activation of specific signaling pathways which may be involved in the cancer cell response to the treatment. This hypothesis led us to identify the MAPKs p38 proteins, which are activated during treatment with Enzalutamide. Our results show that the combination of Enzalutamide and p38 inhibitor has a significant antitumor effect both in vitro and in vivo. The mechanism of action of this cytotoxic and synergistic effect remains under study. These data would allow a better understanding of the Enzalutamide resistance mechanisms and contribute to the enhancement of the therapeutic effect of this anti-androgen
Prat, Valentine. "Identification de nouvelles cibles thérapeutiques pour l'insuffisance cardiaque à fraction d'éjection préservée". Thesis, Nantes, 2017. http://www.theses.fr/2017NANT1011/document.
Testo completoHeart failure with preserved ejection fraction is a major health burden, concerning the elderly, yet without any accurate treatment for the patients. This situation is partly due to the lack of patient biopsies and unfortunately, to the lack of used animal models which reproduce even partly the human condition. These limitations do not allow the determination of accurate therapeutic targets for the patients. ln this context, this work focused on a new transgenic animal model developed by the research team: a rat overexpressing the ß3-adrenoceptor (ß3-AR) at the endothelial level. The aim of my thesis was to (1) characterize the phenotype of the model, and determine its study conditions (age, sex and hormonal status of the rats), (2) verify the relevance of the model regarding patient's phenotype in stress condition, (3) identify some innovative research axis in order to discover potential new therapeutic targets. Our results showed that male rats expressed with ageing a phenotype close to the patients' condition: a diastolic dysfunction without any impairment of systolic function, associated with myocardial fibrosis and an impaired response to a cardiovascular stress. Conversely to functional alterations, these rats presented an impaired expression of calcium cycling protein and an abolished negative inotropic response of the endothelial ß3-AR. Our model may be of particular interest to determine nëw and accurate therapeutic targets for the patients
Poiraudeau, Loïc. "Identification de nouvelles cibles thérapeutiques dans le cancer neuroendocrine de la prostate". Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASL143.
Testo completoProstate cancer is the most common cancer in men and the second leading cause of cancer death in men in industrialized countries. The systemic treatment of these cancers is androgen deprivation therapy (ADT), which can be achieved through surgical or pharmacological castration. Metastatic castration-resistant prostate cancer (mCRPC) is treated with androgen receptor inhibitors (ARi). However, approximately one-third of patients are not responsive to these drugs and the others, who are initially responsive, unfortunately develop secondary resistance, which is acquired within approximately 1-2 years. The mechanisms that explain primary and secondary resistance are not well understood. Neuroendocrine differentiation (NE) of mCRPC is one of these mechanisms. In fact, between 15 and 20% of resistant tumors evolve into neuroendocrine prostate cancer (NEPC). The prognosis of these patients is very poor because the precise molecular mechanisms involved in neuroendocrine differentiation are not clearly elucidated and there is no therapeutic solution adapted to these tumors.The objective of this thesis was to study neuroendocrine differentiation in order to identify new therapeutic targets. We relied on the MATCH-R study, which aimed to study the mechanisms of resistance to targeted therapies (enzalutamide, abiraterone). Patient biopsies were characterized using high-throughput sequencing and immunohistochemistry methods. As part of this study, the laboratory also developed and characterized preclinical patient-derived xenograft (PDX) models. We show from WES and RNAseq performed on patient biopsies that neuroendocrine differentiation is likely the result of transcriptomic and epigenetic alterations. Moreover, our PDXs retain the genetic, molecular, and pharmacological characteristics of their original biopsies. RNAseq analysis identified a membrane protein, which is specifically expressed by NEPC. The expression of this protein is correlated with the expression of NE markers such as synaptophysin (SYP) and chromogranin A (CHGA), as well as a worse diagnosis. Treatment of our NEPC PDXs with a single intravenous injection of an antibody-drug conjugate targeting this protein, resulted in a significant decrease in tumor volume in the treated group compared to the untreated group. Finally, we identified an orphan nuclear receptor, NR0B2 that is overexpressed in NEPC and could be involved in resistance to ARi. NEPC are aggressive tumors with few therapeutic options. These tumors result from transcriptomic alterations and require the development of relevant models that recapitulate the complexity of the disease to identify potential targets for new targeted therapies. ADCs are promising therapies, especially in NEPC, and have shown anti-tumor efficacy in preclinical evaluation
Moine-Franel, Alexandra. "Cartographie des poches aux interfaces protéine-protéine et identification de nouvelles cibles thérapeutiques potentielles". Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS634.pdf.
Testo completoProtein-protein interactions (PPIs) constitute a significant source of potential therapeutic targets because they play a crucial role in numerous and diverse biological processes, including the development of pathologies. While PPIs appear as promising therapeutic targets, they are more challenging to study than conventional therapeutic targets. Indeed, known PPIs are characterized by specific structural motifs that limit their ‘druggability’, meaning their ability to bind to and be modulated by a small drug molecule. However, the growing identification of small molecules modulating various PPIs demonstrates that, with an appropriate methodology, they can represent a class of novel and innovative therapeutic targets. The objective is, therefore, to develop an in silico protocol to aid in identifying new therapeutic targets involving PPIs by rationalizing the key elements that determine the ‘druggability’ of the interaction
Bruyère, Emilie. "Etude de la carcinogenèse oesophagienne dans un modèle in vivo : identification de nouvelles cibles thérapeutiques". Thesis, Lille 2, 2011. http://www.theses.fr/2011LIL2S015.
Testo completoŒsophageal adenocarcinoma (ADK) has a very poor prognosis with a survival rate at 5 years at 10%, due to its late detection. Its incidence has been increasing for the last 30 years. ADK develops on Barrett œsophagus, a metaplastic lesion induced by chronic exposure of œsophagus to the duodeno-gastro-œsophageal reflux. Moreover we showed previously that bile acids activate MUC1 and MUC4 mucins, PI3K and NFκB signalling pathways in human adenocarcinomatous cells. Aim: To determine whether the reflux induces œsophageal carcinogenesis in an in vivo model, and to identify new tumor-associated proteins. Material and methods: A rat model of chronic reflux induced by surgery was established. Expression of RNA and proteins was studied using RT-PCR, qRT-PCR, micro-arrays and immunohistochemistry. Effects on cell biological properties were carried out in vitro in OE33 œsophageal adenocarcinomatous cells. Results: All rats with reflux showed inflammation and neoexpression of genes involved in tumor progression with alterations of markers involved in differentiation, proliferation, adhesion and metastasis in which key pathways such as PI3K and NFκB were found activated. More importantly, Muc1 and Muc4 mucins were neoexpressed, and two new tumor-associate proteins, S100a4 and Mcm6, were overexpressed in tumors and showed in vitro effects on œsophageal cancer cell biological properties. Conclusion: Altogether, these data indicate that progression toward adenocarcinoma was effective following induction of a chronic reflux in rat œsophagus and that signalling pathways and new tumor-associated proteins were identified that may be new biomarkers and new therapeutic targets in œsophageal adenocarcinoma. Key words: Œsophageal adenocarcinoma, Barrett œsophagus, reflux, biomarkers, mucins
Moore-Morris, Thomas. "Identification de nouvelles cibles thérapeutiques potentielles parmi les récepteurs couplés aux protéines G des muscles striés". Montpellier 2, 2009. http://www.theses.fr/2009MON20162.
Testo completoG protein-coupled receptors (GPCRs) are the largest and most diverse family of membrane receptors. Approximately one third of currently available pharmaceutical drugs target a small number of these receptors. New information on the expression of GPCRs in various tissues and physiopathological contexts should enable the identification of new therapeutic targets. Cardiac pathologies are the leading cause of morbidity in the Western world and are often associated to skeletal muscle dysfunction. The aim of the work described in this thesis was to analyse the expression of all endoGPCRs (GPCRs with endogenous ligands) in heart and skeletal muscle in order to identify “new” receptors, with no known function in these tissues, and evaluate there potential as therapeutic targets. We first established the endoGPCR repertoire of the four cardiac chambers and identified an atypical cardiac receptor, mGluR1. Preliminary results suggest that mGluR1 is involved in cardioprotection in the context of ischemia/reperfusion. We also established the repertoire of endoGPCRs in skeletal muscle using a reversible mouse atrophy model. The analysis of this repertoire enabled us to identify new receptors involved in the development of atrophy. Among these, we focused on the beta2-adrenergic and Frizzled 9 receptors. The latter particularly interests us as it is very lowly expressed in the heart, suggesting that targeting this receptor would have little incidence on cardiac function
Souleyreau, Wilfried. "Identification de nouveaux facteurs pronostiques et de nouvelles cibles thérapeutiques potentielles dans le cancer du rein". Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0422/document.
Testo completoKidney cancer is one of the 10 commonest human cancers. To date, no biomolecular markers are available in this type of cancer, and in the case of metastatic cancer, the therapeutic arsenal is still inefficient. The different processes involved in cancer progression are still poorly understood. Understanding those processes could highlight new therapeutic targets, and new prognostic or diagnostic biomolecular markers of this disease. For a first project, a new innovative model has been generated from a murine RCC cell line as a tool to understand cancer progression mechanisms and to identify new therapeutic target and new biomolecular markers in kidney cancer. This model of sequential reimplantation of cancer cells isolated from primary tumours or metastases allowed us to generate different cell lines showing increased aggressiveness after passages. Using a systems biology strategy, this model will allow us to identify new potential therapeutic targets and new biomolecular markers in RCC. Interleukin-34 is an example of an already selected target, showing the power of the model generated. For a second project, the role of some members of extracellular matrix (collagen type I, fibronectin, matrigel).was studied using this same murine RCC cell line. This study demonstrated the potential pro-invasive and pro-metastatic roles of collagen type I deposition in tumors. Collagen-activated receptors are proposed as mediators of the effect induced by collagen type I in this model. Those two projects have and will continue to contribute to a better understanding of cancer progression mechanisms, and will bring out new biomolecular markers and new therapeutic targets
Bouillez, Audrey. "Implication de la mucine membranaire MUC1 dans la progression tumorale rénale et identification de nouvelles cibles thérapeutiques". Phd thesis, Université du Droit et de la Santé - Lille II, 2014. http://tel.archives-ouvertes.fr/tel-01062692.
Testo completoLibri sul tema "Identification de cibles thérapeutiques"
Niger. Ministère du développement social, de la population, de la promotion de la femme et de la protection de l'enfant. Identification des groupes cibles en IEC/population. Niamey?]: République de Niger, Ministère du développement social, de la population, de la promotion de la femme et de la protection de l'enfant, 1997.
Cerca il testo completoMulti-sensor multi-target data fusion, tracking and identification techniques for guidance and control applications =: Les techniques de poursuite et d'identification multi-cibles á base de fusion multi-sensor appliquées au guidage et au pilotage. Neuilly-sur-Seine: AGARD, 1996.
Cerca il testo completoCapitoli di libri sul tema "Identification de cibles thérapeutiques"
Boissier, M. C., É. Assier e A. Denys. "Les cibles thérapeutiques des rhumatismes inflammatoires". In Biothèrapies en rhumatologie, 7–19. Paris: Springer Paris, 2011. http://dx.doi.org/10.1007/978-2-8178-0124-7_2.
Testo completoZaanan, A., e J. Taieb. "Futurs biomarqueurs et cibles thérapeutiques : c-MET, MEK et ALK". In Médecine personnalisée en cancérologie digestive, 363–72. Paris: Springer Paris, 2013. http://dx.doi.org/10.1007/978-2-8178-0527-6_25.
Testo completoPradier, Laurent. "Chapitre 7 : Maladie d’Alzheimer et cibles thérapeutiques : état de l’art". In Chimie et cerveau, 105–20. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1894-5-010.
Testo completoPradier, Laurent. "Chapitre 7 : Maladie d’Alzheimer et cibles thérapeutiques : état de l’art". In Chimie et cerveau, 105–20. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1894-5.c010.
Testo completoRapporti di organizzazioni sul tema "Identification de cibles thérapeutiques"
Itinéraires thérapeutiques des adolescentes pendant la grossesse, l'accouchement et la période post-partum dans la zone d'intervention du projet. Population Council, 2009. http://dx.doi.org/10.31899/pgy20.1005.
Testo completoItinéraires thérapeutiques des adolescentes pendant la grossesse, l'accouchement et la période post-partum dans la zone d'intervention du projet. Population Council, 2009. http://dx.doi.org/10.31899/pgy20.1004.
Testo completo