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Статті в журналах з теми "Tumeurs du pancréas – étiologie"
Leroux, Aurélia. "Coliques chroniques et atteintes d'organes clés : estomac, foie, et pancréas chez le cheval." Le Nouveau Praticien Vétérinaire équine 13, no. 49 (2019): 13–19. http://dx.doi.org/10.1051/npvequi/49013.
Повний текст джерелаDromain, C., T. De Baere, D. Elias, P. Duvillard, M. Ducreux, and E. Baudin. "Tumeurs endocrines du pancréas." EMC - Radiologie et imagerie médicale - Abdominale - Digestive 4, no. 3 (January 2009): 1–10. http://dx.doi.org/10.1016/s1879-8527(09)72841-2.
Повний текст джерелаPariente, Alexandre. "Tumeurs du pancréas exocrine." EMC - Traité de médecine AKOS 1, no. 1 (January 2006): 1–2. http://dx.doi.org/10.1016/s1634-6939(06)75355-8.
Повний текст джерелаSchlienger, J. L. "Tumeurs endocrines du pancréas." Annales d'Endocrinologie 66, no. 1 (February 2005): 64–68. http://dx.doi.org/10.1016/s0003-4266(05)81697-x.
Повний текст джерелаCopin-Maggiori, P., and M. P. Vullierme. "Tumeurs kystiques du pancréas." EMC - Radiologie et imagerie médicale - Abdominale - Digestive 38, no. 3 (August 2020): 1–17. https://doi.org/10.1016/s1879-8527(20)61145-5.
Повний текст джерелаRoche, Alain. "Tumeurs endocrines du pancréas." EMC - Radiologie et imagerie médicale - Abdominale - Digestive 17, no. 1 (1999): 1–15. https://doi.org/10.1016/s1879-8527(20)30008-3.
Повний текст джерелаRoche, Alain. "Tumeurs endocrines du pancréas." EMC - Hépatologie 14, no. 1 (1999): 1–13. https://doi.org/10.1016/s1155-1976(20)30006-1.
Повний текст джерелаPariente, Alexandre. "Tumeurs du pancréas exocrine." EMC - Traité de médecine AKOS 1, no. 3 (1998): 1–2. https://doi.org/10.1016/s1634-6939(20)30587-1.
Повний текст джерелаPalazzo, L., P. Hammel, Ch Cellier, and Ph Ruszniewski. "Les tumeurs kystiques du pancréas." Acta Endoscopica 30, S2 (November 2000): 361–66. http://dx.doi.org/10.1007/bf03017979.
Повний текст джерелаPalazzo, L., P. Hammel, C. Cellier, and Ph Ruszniewski. "Les tumeurs kystiques du pancréas." Acta Endoscopica 29, S2 (June 1999): 418–22. http://dx.doi.org/10.1007/bf03019330.
Повний текст джерелаДисертації з теми "Tumeurs du pancréas – étiologie"
Maurin, Lucas. "A multi-omics approach to identify key genes in the endocrine and exocrine pancreas and their role in T2D." Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILS068.
Повний текст джерелаType 2 diabetes (T2D) is a multifactorial, complex disease characterised by chronic elevated blood glucose, and caused by genetic and environmental factors, such as ageing. While genome-wide association studies (GWAS) have successfully identified the genetic causes of T2D, epigenome-wide association studies (EWAS) have had limited success in capturing the environmental impact due to the tissue-specificity of epigenetic changes, very small sample sizes, and the lack of functional studies. Furthermore, the extent of the interaction between genetic and epigenetic variation remains poorly understood. The objective of this thesis was to contribute to our understanding of how environmental factors contribute to T2D pathogenesis, and its progression towards related complications, notably pancreatic ductal adenocarcinoma (PDAC).In the first project, we investigated the interplay between age and T2D-associated epigenetic changes and genetic variation in pancreatic islets of 124 individuals, of which 16 had T2D. We developed a novel integrative approach combining DNA methylation, gene expression, and genotyping to identify triad associations, examining whether genetic and epigenetic influence each other. We identified 301 and 743 CpGs associated with age and T2D, respectively, which impacted nearby gene expression (within a 2 Mb window). Of these, less than 10 % were influenced by nearby genetic variants, suggesting that environmentally-driven epigenetic changes operate largely independently of genetic variation. Notably, only three genes, SIX3, ST6GAL1, and TIPIN, were found to co-localise with T2D GWAS risk variants, and were also under epigenetic regulation. Characterisation of the epigenetically-regulated genes highlighted key T2D candidates, including OPRD1 and MEG3. Importantly, adding methylation risk scores (MRS) to polygenic risk scores (PGS) improved T2D risk prediction, underscoring the additive value of epigenetic studies. Our findings suggest that most genes are regulated either by genetic or epigenetic factors, but rarely both.In the second project, we explored the epigenetic influence of T2D in the exocrine pancreas, to explore why T2D individuals are at a higher risk of developing pancreatic disease, notably PDAC, one of the deadliest cancers. We performed an EWAS for T2D (25 T2D individuals and 116 non-diabetic) and identified a single hypermethylation in cg15549216, located in the Pancreatic Lipase Related Protein 1 (PNLIPRP1) gene, which was corelated with a decreased expression of the gene. Knockdown of Pnliprp1 in the rat acinar cell line AR42J increased cholesterol levels, reduced proliferation, and induced acinar-to-ductal metaplasia (ADM), hallmarks of the early stages of PDAC. Notably, this effect was reversed by treatment of statin, highlighting the translational potential of these findings. Additionally, a rare variant analysis using the UKBiobank linked PNLIPRP1 to LDL-cholesterol, confirming the functional results. We propose a model where epigenetic and genetic mechanisms act independently but synergise to promote pancreas injury and disease progression.This thesis underscores the importance of studying DNA methylation as an unbiased approach for identifying environmental factors that contribute to disease. Our findings reveal that these epigenetic alterations are largely independent of genetic factors, underscoring their complementary role T2D pathogenesis. Additionally, PNLIPRP1 serves as an example of how epigenomic studies can indeed identify novel biomarkers with a translational relevance, offering new insights into disease mechanisms and progression
Neuzillet, Cindy. "Inter- and intra-tumoral heterogeneity and dynamics of cancer-associated fibroblasts in pancreatic ductal adenocarcinoma." Thesis, Sorbonne Paris Cité, 2018. https://theses.md.univ-paris-diderot.fr/NEUZILLET_Cindy_2_va_20181015.zip.
Повний текст джерелаCancer-associated fibroblasts (CAF) are orchestrators of the pancreatic ductal adenocarcinoma (PDAC) microenvironment. Stromal heterogeneity may explain differential pathophysiological roles of the stroma (pro- vs. anti-tumoral) in PDAC. We hypothesised that multiple CAF subtypes exist in PDAC that contribute to stromal heterogeneity through interactions with cancer and immune cells. This project comprised three parts:- In Part 1, by applying extended bioinformatics analysis and a wide range of in vitro assays to human PDAC-derived primary CAF cultures, we demonstrated the biological diversity of human pancreatic CAFs; we identified four CAF subtypes (A-D) with specific molecular and functional features (matrix- and immune-related signatures, vimentin and ?-smooth muscle actin expression, proliferation rate), and we showed that CAF heterogeneity had an impact on the interactions with cancer cells in mini-organotypic models.- In Part 2, we showed that the combination of CAF sub-populations was associated with distinct phenotypic characteristics of the tumours (tumour molecular subtype and grade, stromal abundance and activity, immune infiltrates, angiogenesis) and patient survival, in silico in the ICGC dataset and by immunohistochemistry in an extensively characterised patient cohort.- In Part 3, we showed that several CAF subtypes may emerge in vitro (conditioned media experiments) and in vivo (orthotopic xenografts) from the dynamic interactions of pancreatic stellate cells with cancer cells, through an “imprinting” process, and may be further modulated by other factors and/or cellular partners in the tumour microenvironment; in addition, we confirmed in a murine setting our findings about the association between CAF subtype marker expression and immune phenotype observed in human tumours.This unique classification for pancreatic CAFs (pCAFassigner) demonstrates the inter- and intra-tumoral phenotypic heterogeneity of CAFs in human PDAC. Our results provide a framework for future functional studies and pave the way for the development of therapies targeting specific CAF sub-populations in PDAC
Mège, Diane. "Microparticles in colorectal and pancreatic cancers." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM5038.
Повний текст джерелаColorectal cancer (CRC) is the most common gastrointestinal cancer. It is less serious and less frequently associated with thrombo-embolic event than pancreatic cancer (PC). Microparticles (MPs) are small vesicles produced and released by exocytic blebbing of the activated and apoptotic cell membrane from most, if not all, types of cells. They are known to be implicated in the tumor growth, the development of metastases and the cancer-associated procoagulant activity. Our objectives were to identify and to characterize the different concentrations of circulating MPs in CRC and PC, in order to describe a MPs hallmark, and to evaluate their implication in the occurrence of a venous thromboembolism. We have thus reported a specific hallmark of MPs in CRC and PC, comparing to benign colorectal and pancreatic diseases and healthy subjects, so-called the “microparticulosome”. We have observed that microparticulosome changed with the evolution of the disease, and tended to the signature observed for benign diseases or healthy subject in case of CRC remission. We also reported variations in the microparticulosome in case of an occurrence of a thrombo-embolic event.In conclusion, MPs may constitute new pertinent biomarkers in cancers, in the diagnosis, the survival prognostic and the prognostic of the occurrence of thrombo-embolic events. Understanding the interactions of MPs with tumor environment will allow to find efficient treatments against tumor growth and metastases development
Durand, Luc. "Les tumeurs kystiques du pancréas." Montpellier 1, 1993. http://www.theses.fr/1993MON11052.
Повний текст джерелаDURIEUX, OLIVIER. "Imagerie des tumeurs du pancréas : logiciel d'autoapprentissage." Aix-Marseille 2, 1994. http://www.theses.fr/1994AIX20845.
Повний текст джерелаBEAURAIN, PATRICK. "Tumeurs à sécrétion mucineuse du pancréas : à propos de 9 cas." Aix-Marseille 2, 1989. http://www.theses.fr/1989AIX20027.
Повний текст джерелаRaynaud, Jean. "Les lésions tumorales du pancréas endocrine avec syndrome d'insulinome : étude de 10 cas par les techniques immunocytochimiques." Bordeaux 2, 1989. http://www.theses.fr/1989BOR25185.
Повний текст джерелаOuaïssi, Mehdi. "Histones désacétylases et cancer du pancréas." Aix-Marseille 2, 2008. http://www.theses.fr/2008AIX20708.
Повний текст джерелаIn the first part of the work we analyze some of the current data related to the deacetylase enzymes as a possible target for drug development in cancer. Given the structural differences among members of this family of enzymes, development of specific inhibitors will not only allow selective therapeutic intervention, but may also provide a powerful tool for functional study of these enzymes. In the second step, attempts were made for the first time to explore the level of expression of members of histone deacetylase encoding genes (HDACs) in four pancreatic tumor cell lines: Panc-1, BxPC-3, SOJ-6 and MiaPaCa-2; and two non-related tumor cells: Jurkat and HeLa. The possible relationship between the levels of HDACs expression and the sensitivity/resistance to HDAC inhibitors (TSA, Nicotinamide and Sirtinol) was further analyzed. Although a slight variation in the profiles of gene expression among cell lines could be evidenced, HDACs protein synthesis seem to be similar. Furthermore, the cells were equally sensitive to inhibition by Sirtinol whereas some variation in the IC50 could be seen in the case of TSA. We also demonstrate that the drugs had the capacity to induce the death of cells by apoptosis. Taken together, our data support the notion that the level of cell sensitivity to the HDIs might be related to the level of expression of genes such as those encoding proteins playing a role in cell cycle checkpoints control but not HDAC per se. In a third part of work, we have evaluated the expression levels of members of class I, II and III in a set of surgically resected pancreatic tissues. Total RNA was isolated from 11 pancreatic adenocarcinomas (PA): Stage 0 (n=1), IB (n=1), IIB (n=6), III (n=1), IV (n=2), one serous cystadenoma (SC), one intraductal papillary mucinous tumor of the pancreas (IMPN), one complicating chronic pancreatitis (CP) and normal pancreatic biopsy (NP) obtained during donor liver transplantation. In addition, four samples of control tissues taken from the surgical specimens from different patients with PA, and two samples from patients with adenocarcinomas of biliary duct (BD) were also included in this study. Quantitative reverse transcriptase polymerase chain reaction (RT-PCR) was conducted and gene expression was quantified by qPCR. Protein expression levels were analyzed by Western blot and their localization by immunohistochemistry analyses of cancer tissues sections. The expression of class I and II members of HDACs showed that all the samples from PA, CP, SC and IMPN had decreased levels of HDAC 1, -2, -3 and -4 transcripts. Remarkably, 9 of the 11 PA (≅ 81%) showed significant increase of HDAC7 mRNA levels. The Western blot analysis showed increased expression of HDAC7 protein in 9 out of 11 PA samples in agreement with the qPCR data. Most of the PA tissue sections examined showed intense labeling in the cytoplasm when reacted against antibodies to HDAC7. The data showed alteration of HDACs gene expression in pancreatic cancer. Therefore, increased expression of HDAC7 discriminates PA from other pancreatic tumors
Rosty, Christophe. "Recherche de marqueurs diagnostiques précoces de l'adénocarcinome du pancréas par l'étude du transcriptome et du protéome." Paris 5, 2002. http://www.theses.fr/2002PA05N129.
Повний текст джерелаPancreatic cancer is the 4th leadind cause of cancer death in human. To improve the poor prognosis of pancreatic cancer, new diagnosic markers need to be discovered in order to detect small pancreatic lesions. We used serial analysis of gene expression (SAGE) to identify 3 overexpressed genes that could potentially be used as cancer markers : PSCA (Prostate Stem Cell Antigen), S100A4 protein and mesothelin. Using a proteomic SELDI (Surface Enhanced Laser Desorption Ionization) - based technology on pancreatic juice samples, we identified HIP/PAP-I (Hepatocarcinoma Intestine Pancréas/Pancreatitis-Associated-Protein I) as an overexpressed protein in cancer samples
Heymann, Marie-Françoise. "Etude anatomopathologique avec immunohistochimie de 61 tumeurs pancréatiques chez 16 patients atteints de néoplasies endocriennes multiples de type 1." Nantes, 1995. http://www.theses.fr/1995NANT209M.
Повний текст джерелаКниги з теми "Tumeurs du pancréas – étiologie"
Falk, Symposium (83rd 1995 Bolzano Italy). Advances in hepatobiliary and pancreatic diseases: Special clinical topics : proceedings of the Falk Symposium no. 83, held in Bolzano, Italy, April 7-8, 1995. Dordrecht: Kluwer Academic Publishers, 1995.
Знайти повний текст джерелаM, Franks L., and Teich N. M, eds. Introduction to the cellular and molecular biology of cancer. 2nd ed. Oxford: Oxford University Press, 1991.
Знайти повний текст джерелаP, Selby, ed. Introduction to the cellular and molecular biology of cancer. New York: Oxford University Press, 2005.
Знайти повний текст джерелаInternational Symposium on the Effects of Therapy on the Biology and Kinetics of the Surviving Tumor (1989 Vancouver, B.C.). Effects of therapy on biology and kinetics of the residual tumor: Proceedings of an International Symposium on the Effects of Therapy on the Biology and Kinetics of the Surviving Tumor, held in Vancouver, British Columbia, Canada, February 15-18, 1989. Edited by Ragaz J. 1945-. New York: Wiley-Liss, 1990.
Знайти повний текст джерелаAmerican Institute for Cancer Research. and Conference on Diet and Cancer: Molecular Mechanisms of Interactions (5th : 1994 : Washington, D.C.), eds. Diet and cancer: Molecular mechanisms of interactions. New York: Plenum Press, 1995.
Знайти повний текст джерелаL, Moses Harold, Lengyel Peter 1929-, Stiles Charles D, and Genentech Inc, eds. Growth inhibitory and cytotoxic polypeptides ; proceedings of a Genentech-Smith, Kline & French-Triton Biosciences-UCLA Symposium held in Keystone, Colorado, January 24-30, 1988. New York: A.R. Liss, 1989.
Знайти повний текст джерелаsais-je?, Que, and Louise Harel. Les origines du cancer. Presses Universitaires de France - PUF, 2001.
Знайти повний текст джерелаPour, P. M. Atlas of Exocrine Pancreatic Tumors: Morphology, Biology, and Diagnosis with an International Guide for Tumor Classification. Springer, 1994.
Знайти повний текст джерелаKonishi, Y., and G. Kloppel. Atlas of Exocrine Pancreatic Tumors: Morphology, Biology, and Diagnosis With an International Guide for Tumor Classification. Springer-Verlag Telos, 1994.
Знайти повний текст джерелаLiver-Stem Cells (Medical Intelligence Unit Series). Landes Bioscience, 1997.
Знайти повний текст джерелаЧастини книг з теми "Tumeurs du pancréas – étiologie"
Lombard-Bohas, C., and P. Cassier. "Pancréas." In Tumeurs malignes rares, 183–89. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-287-72070-3_33.
Повний текст джерелаDelpero, Jean-Robert. "Pancréas." In Tumeurs malignes rares, 493–506. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-287-72070-3_81.
Повний текст джерелаPalazzo, L., and D. O’Toole. "Tumeurs kystiques du pancréas." In Écho-endoscopie digestive, 245–55. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-287-99164-6_29.
Повний текст джерелаO’Toole, D., and L. Palazzo. "Tumeurs endocrines du pancréas." In Écho-endoscopie digestive, 257–68. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-287-99164-6_30.
Повний текст джерелаBarthet, M. "Traitement des tumeurs macrokystiques du pancréas." In Écho-endoscopie digestive, 385. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-287-99164-6_51.
Повний текст джерелаLévy, P. "Les tumeurs intracanalaires papillaires et mucineuses du pancréas." In Post’U FMC-HGE, 105–11. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0097-4_13.
Повний текст джерела"Pancréas." In TDM des tumeurs abdominales, 157–84. Elsevier, 2013. http://dx.doi.org/10.1016/b978-2-294-71486-3.00009-1.
Повний текст джерелаShaaban, Akram M., Maryam Rezvani, and Philip R. Chapman. "Tumeurs neuroendocrines du pancréas." In Imagerie Oncologique, 506–21. Elsevier, 2022. http://dx.doi.org/10.1016/b978-2-294-77099-9.00034-x.
Повний текст джерелаChami, L., and O. Lucidarme. "Tumeurs solides du pancréas." In Echographie en pathologie digestive, 255–68. Elsevier, 2017. http://dx.doi.org/10.1016/b978-2-294-73413-7.00010-8.
Повний текст джерелаBuscail, Louis, Barbara Bournet, Nicolas Carrère, Fabrice Muscari, and Philippe Otal. "Tumeurs kystiques du pancréas." In Traité de Pancréatologie, 119–52. Elsevier, 2021. http://dx.doi.org/10.1016/b978-2-294-77623-6.00005-5.
Повний текст джерела