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Artykuły w czasopismach na temat "Pancréas – Tumeurs – Lutte contre"
Fabre, Pierre. "L’expertise du nucléaire au service de la lutte contre le cancer". Revue Générale Nucléaire, nr 3 (2022): 44–45. http://dx.doi.org/10.1051/rgn/20223044.
Pełny tekst źródłaChiossone, Laura, i Eric Vivier. "Nouvelles frontières de la lutte contre le cancer". Biologie Aujourd'hui 212, nr 3-4 (2018): 61–67. http://dx.doi.org/10.1051/jbio/2019011.
Pełny tekst źródłaBedenne, L., AL Villing i B. Chauffert. "Lutte contre le cancer du pancréas exocrine: stagnation ou progrès ? Le point de vue de la Fondation française de cancérologie digestive (FFCD)". Cancer/Radiothérapie 1, nr 5 (listopad 1997): 555–63. http://dx.doi.org/10.1016/s1278-3218(97)89638-2.
Pełny tekst źródłaDem, Ahmadou, Mamadou Moustapha Dieng, Sidy Ka, Pape Macoumba Gaye, Doudou Diouf i Mame Coumba Gaye-Fall. "Prise en charge diagnostique et thérapeutique des tumeurs épithéliales malignes de l’ovaire dans le centre ouest-africain de lutte contre le cancer de Dakar". Bulletin du Cancer 100, nr 2 (luty 2013): 155–60. http://dx.doi.org/10.1684/bdc.2013.1693.
Pełny tekst źródłaHANZEN, C., B. DELAFONTAN, F. MISSOHOU, C. VEYRET, S. LABERGE, J. PICQUENOT i Y. GRAIC. "Attitudes chirurgicales et radiothérapiques en fonction de l’analyse des berges–marges dans les tumeurs mammaires : enquête réalisée auprès de 20 centres de lutte contre le cancer". Cancer/Radiothérapie 8, nr 4 (sierpień 2004): 217–21. http://dx.doi.org/10.1016/s1278-3218(04)00074-5.
Pełny tekst źródłaConroy, Thierry, Bernard Paillot, Eric François, Roland Bugat, Jacques-Henri Jacob, Ulrich Stein, Salvador Nasca i in. "Irinotecan Plus Oxaliplatin and Leucovorin-Modulated Fluorouracil in Advanced Pancreatic Cancer—A Groupe Tumeurs Digestives of the Fédération Nationale des Centres de Lutte Contre le Cancer Study". Journal of Clinical Oncology 23, nr 6 (20.02.2005): 1228–36. http://dx.doi.org/10.1200/jco.2005.06.050.
Pełny tekst źródłaBauchet, L., V. Rigau, H. Mathieu-Daude, D. Figarella-Branger, D. Hugues, M. Fabbro, C. Campello i F. Segnarbieuxet. "Exemples de données cliniques et radiologiques sur 2 000 tumeurs astrocytaires et/ou oligodendrocytaires sous l’égide de la société française de neurochirurgie, l’association des neuro-oncologues d’expression française, la société française de neuropathologie, le groupe de neuro-oncologie de la fédération des centres de lutte contre le cancer". Neurochirurgie 51, nr 5 (listopad 2005): 531. http://dx.doi.org/10.1016/s0028-3770(05)83558-1.
Pełny tekst źródłaNassima Mouassaoui. "La théranostique : une combinaison innovante pour le diagnostic et la thérapie des cancers". Journal de la faculté de médecine d'Oran 1, nr 2 (30.06.2017). http://dx.doi.org/10.51782/jfmo.v1i1.32.
Pełny tekst źródłaAdmin - JAIM. "Résumés des conférences JRANF 2021". Journal Africain d'Imagerie Médicale (J Afr Imag Méd). Journal Officiel de la Société de Radiologie d’Afrique Noire Francophone (SRANF). 13, nr 3 (17.11.2021). http://dx.doi.org/10.55715/jaim.v13i3.240.
Pełny tekst źródłaRozprawy doktorskie na temat "Pancréas – Tumeurs – Lutte contre"
Cilleros, Celia. "Développement d’un traitement par ultrasons focalisés de haute intensité par voie peropératoire pour les tumeurs pancréatiques". Electronic Thesis or Diss., Lyon, 2021. http://www.theses.fr/2021LYSE1089.
Pełny tekst źródłaCurrently, management options for locally advanced pancreatic tumors are extremely limited. Surgical resection cannot be considered due to the non-reconstructible vascular involvement of the tumor. High intensity focused ultrasound (HIFU) treatments have demonstrated their potential in the palliative treatment of pancreatic cancers. The thesis project focuses on the definition of HIFU treatment parameters that induce necrosis of the targeted pancreatic parenchyma while preserving the vascular permeability of an artery included in the destroyed area, using an intraoperative therapy probe with a toroidal transducer and an integrated ultrasound imaging probe. For the assessment of arterial flow, real-time Doppler imaging monitoring was developed during the HIFU procedure. Treatment parameters were chosen to allow acquisition of the Doppler signal between HIFU emission phases with a duty cycle of 40% therapy time and 60% imaging time, for a total duration of 900 seconds. A perfused model was used to evaluate the impact of in vitro treatment parameters on the lesion induced. The lesions obtained with the application of the duty cycle were on average 20% smaller than the lesions without duty cycle, but this reduction was considered acceptable regarding to the safety benefit of treatment with Doppler imaging. A first preclinical study demonstrated the occurrence of reversible arterial spasm following repeated HIFU treatments on the targeted artery. Thermal ablations of approximately 20 mm in diameter were generated around the targeted artery without causing definitive vascular occlusion or thrombosis in the short and medium term. Nevertheless, with a perspective of using this HIFU treatment in humans and thus with the objective of ensuring the safety of the treatment, a predictive tool for arterial spasm has been developed. New studies have identified alterations in the arterial signal during HIFU treatment, reflected by the appearance of a turbulent component upstream of the treated area before the arterial spasm occurs. A tool based on signal dissimilarity was developed and patented based on these signal changes. The acceleration of these modifications allowed to anticipate the arterial spasm in real time and thus a feedback on the HIFU treatment. Preclinical studies allowed to define a threshold on this acceleration beyond which the appearance of stenosis seemed systematic if the treatment was carried out. Depending on the parameters applied, tissue necrosis up to 17 mm in diameter was induced in the pancreatic tissue and around the target vessel without induction of arterial spasm and while maintaining vascular patency. Doppler imaging associated with the real-time tool confirmed the persistence of arterial flow during HIFU treatments. These safe and effective preclinical treatments allow us to consider a Phase I-II clinical trial evaluating HIFU destruction of locally advanced tumors of 10 to 15 mm in diameter in humans
Gaudin, Elodie. "Le sainfoin déshydraté - un modèle de nutricament dans la lutte contre les nématodes parasites des petits ruminants". Thesis, Toulouse, INPT, 2017. http://www.theses.fr/2017INPT0042.
Pełny tekst źródłaGastrointestinal nematodes (GINs) represent a major threat for grazing ruminants. The traditional mode of control of these parasites mainly relied on the use of synthetic anthelmintics (AHs). However, the repeated use of these molecules has led to resistance against all AH drugs in worm populations of small ruminants. Alternative solutions are needed. Among those, the use of plants that contain plant secondary metabolites, such as condensed tannins (CTs), has been studied for the last 20 years. These CT-containing resources, such as sainfoin (Onobrychis viciifolia) have AH properties and beneficial effects on health and also interesting nutritional values; hence they correspond to the definition of nutraceuticals. Recently, an organization has developed to produce dehydrated pellets of sainfoin. The advantages of such pellets are 1/ to grow sainfoin in the best agronomic conditions; 2/ to better standardize the product; 3/ to evaluate the pellet before use and to facilitate exportation. The general aim of this thesis was to optimize the use of sainfoin pellets in farm conditions. Our first objective was to characterize the CT content and AH properties of sainfoin pellets. For industrial purposes, simple, low cost and repeatable methods to evaluate the CT content and the AH activity are requested in order to rapidly qualify the pellets. The CT content was evaluated by biochemical measurements of total phenols and tannins (Folin-Ciocalteu). This was completed by the measure of the complexation of tannins with proteins (Radial Diffusion) and by development of prediction calibrations using near infra-red spectroscopy (NIRS). The AH evaluation was performed on samples before and after dehydration, using the Larval Exsheathment Inhibition Assay. Calculations of correlations between the different methods showed significant links between the quantity of CT and the AH activity, and the possible use of NIRS to measure the CT content and the AH activity of pellets and forages. The second objective aimed at defining the optimal conditions to use sainfoin pellets on farm, to improve the AH activity. We aimed at analyzing, in experimental conditions, 1) how the combination of 2 factors, namely the CT concentration in feed and the length of distribution, influence the AH efficacy of sainfoin pellets on intestinal and abomasal L3 larvae or adult worms; 2) whether or not the combined use of sainfoin with a chemical AH (oral ivermectine) is beneficial. Results showed that a minimum CT content in sainfoin and a minimum length of distribution of 15 days are mandatory to alter the adult worm and L3 larvae biology of nematodes, particularly the Trichostrongylus colubriformis fertility and the number of Haemonchus contortus. Moreover, the combined use of AH and sainfoin consumption should be avoided because of negative interactions. The last axis aimed at studying the behavior of sheep and goats in relation to sainfoin pellets and their ability to change the feeding behavior according to their parasitic status (self-medication ability). The objective was to verify the following hypotheses: due to their lower resistance against parasites and their higher propensity to eat CTs, goats will eat more sainfoin than sheep, parasitized animals will prefer sainfoin and this preference will increase overtime. The results showed that two of our hypothesis were verified in a cafeteria study: 1) goats preferred sainfoin while sheep preferred alfalfa and 2) the sainfoin consumption increased overtime for infected animals, without being higher than nonparasitized ones. However, nor goat, nor parasitized animals, showed a higher motivation in the operant-conditioning trial to feed on CT rich resources. All the present results showed the interest to exploit sainfoin pellets in farms, as one alternative to AHs molecules in order to limit the development of resistances to these drugs in GIN populations
Kauntz, Henriette. "Cellular and molecular targets of silibinin, a natural flavonoid, in colorectal cancer prevention and therapy". Thesis, Strasbourg, 2012. http://www.theses.fr/2012STRAJ052/document.
Pełny tekst źródłaColorectal cancer (CRC) is the second most common cause for cancer-related deaths in Europe and in the USA. Because of the limited efficacy and considerable toxicity of chemotherapeutic agents, new approaches are needed. The hepatoprotective flavonolignan silibinin is the major biologically active compound of the milk thistle (Silybum marianum).The molecular mechanisms of the anticancer properties of silibinin in CRC were studied in an in vitro model of cancer progression consisting of the adenocarcinoma cell line SW480 and its derived metastatic cell line SW620. Its chemopreventive effects were assessed in an in vivo model of azoxymethane-induced colon carcinogenesis in the rat. Silibinin induced apoptotic cell death with activation of caspase-3 in both cell lines. The expression of death receptors was upregulated, and caspase-8 was activated. The potential of the mitochondrial membrane was perturbed permitting the release of cytochrome c and the activation of caspase-9. Besides the activation of the extrinsic and the intrinsic apoptotic pathway, silibinin induced an autophagic response. Combination of silibinin and TRAIL, a promising anticancer agent selectively inducing apoptosis in cancer cells, induced synergistic cell death in both cell lines. Synergy in cell death induction was also observed by the combination of silibinin and the histone deacetylase (HDAC) inhibitors TSA and SAHA. In the preclinical model in the rat, silibinin administration was able to reduce by half the number of preneoplastic lesions present in the colon. In conclusion, silibinin is a promising natural agent for colon cancer chemoprevention and for combination therapy with TRAIL/HDAC inhibitors