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Academic literature on the topic 'Libanais – Maladies – Aspect génétique'
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Journal articles on the topic "Libanais – Maladies – Aspect génétique"
Leclerc, Véronique, Alexandre Tremblay, and Chani Bonventre. "Anthropologie médicale." Anthropen, 2020. http://dx.doi.org/10.17184/eac.anthropen.125.
Full textDissertations / Theses on the topic "Libanais – Maladies – Aspect génétique"
Adaimy, Lynn. "Identification du gène WNT10A responsable de la dysplasie odonto-onycho-dermique, forme rare de dysplasie ectodermique à transmission autosomique recessive." Versailles-St Quentin en Yvelines, 2008. http://www.theses.fr/2008VERS0003.
Full textOdonto-onycho-derma/ dysplasia is a rare autosomal recessive ectodermal dysplasia in which the presenting phenotype is dry hair, severe hypodontia, smooth depapillated tongue, onychodysplasia, keratoderma and hyperhidrosis of pa/ms and soles, and hyperkeratosis of the skin. Using a homozygosity mapping strategy, we assigned the disease locus to a 9 cMregion at chromosome 2q3S-q36. 2, located between markers rs168S3834 and D2S3S3 with a maximum multipoint LOD score of 5. 7, in 3 Lebanese consanguineous Muslim Shiite families. Using a candidate gene approach, we identify the same c. 697G> T (p. Glu233X) homozygous nonsense mutation in ail patients in exon 3 of the WNT10A gene. At the protein level, the mutation is predicted to result in a premature truncated protein of 232 aa instead of 417 aa. Finally we started functional studies to try to prove the implication of WnV/3 catenin pathway in this disease
Kyndt, Florence. "Génétique des maladies cardiovasculaires dégénératives." Nantes, 2002. http://www.theses.fr/2002NANT02VS.
Full textMaurer, Marie. "Caractérisation génétique et fonctionnelle d'affections canines, modèles de maladies neuromusculaires." Paris 6, 2010. http://www.theses.fr/2010PA066483.
Full textLambert, Marie-Hélène. "Étude d'associations génétiques entre FLG, les gènes de sa voie biologique ainsi que FLG2 et les maladies atopiques." Master's thesis, Université Laval, 2012. http://hdl.handle.net/20.500.11794/26306.
Full textLoreau, Emilie. "Identification de gènes impliqués dans le développement des Lymphomes Cutanés Primitifs CD30+." Bordeaux 2, 2003. http://www.theses.fr/2003BOR21017.
Full textThe CD30+ Primary Cutaneous Lymphoma (PCL) is a malignant T-cells lymphoproliferation. Its oncogenesis remains currently unknown. The aim of my thesis is to identify genes expressed specifically in CD30+ PCL in order to understand the mechanisms of oncogenesis and also to identify diagnostic or therapeutics markers. The substracted libraries of cDNA are obtained by SSH (suppressive substractive hybridisation) between CD30+ PCL and blood lymphocytes. These libraries are then screened by dot blot techniques with specific radiolabelled probes of the studied samples. The selected clones are finally validated by real time PCR. We have thus found five genes over expressed in CD30+ PCL : THW, p120catenin, SPARC, PTTG1, and CD30 and five genes under expressed : humanin, CIN85, Bcl11B, CD30L and CD30s. It remains to be checked if these genes are responsible for oncogenesis or if they are uniquely phenotypes of CD30+PCL
Lamontagne, Maxime. "Approches en génomique et bio-informatique afin de comprendre les bases moléculaires de la maladie pulmonaire obstructive chronique." Doctoral thesis, Université Laval, 2017. http://hdl.handle.net/20.500.11794/35445.
Full textChronic obstructive pulmonary disease (COPD) is a complex disease characterized by airflow obstruction that is not fully reversible. Currently, no treatment existsto reverse COPD, which is predicted to be the third leading cause of mortality in the world by the year 2030. Important discoveries were made in the last decade, but the pathophysiology of the disease remains largely unknown. The aim of this thesis is to study the genetic component of COPD and more specifically 1) identify genes involved in the development of airflow obstruction, 2) identify lung eQTL in the major histocompatibility complex and find causal genes for lung function and respiratory diseases in this region, 3) find new susceptibility loci for COPD, and 4) evaluate the feasibility and effectiveness of DNA sequencing of the SERPINA1 gene as a single test to diagnose alpha-1 antitrypsin deficiency (AATD) and test the frequencies of AATD alleles in a Canadian COPD population. In the first study, we identified genes (CST3 and CD22) and signalling pathways (xenobiotic metabolism, apoptosis, protease–antiprotease and oxidant–antioxidant balance) involved in the development of airflow obstruction. We combined lung gene expression, whole genotyping data and clinical information’s from 1,111 subjects to identify potential causal genesand pathways. This study has identified underlying mechanisms implicated in the development of airflow obstruction. In the second study, westudied a critical genomic region for the immune system, the major histocompatibility complex (MHC). Previous studies have associated single nucleotide polymorphisms (SNPs) located inside this locus with lung diseases and phenotypes (asthma, cystic fibrosis, idiopathic interstitial pneumonia, lung cancer and lung function). We have identified new susceptibility genes for lung cancer (BTN3A2 and ZFP57), asthma (AGPAT1 and CDSN), lung function (MICB) and idiopathic interstitial pneumonia (AGPAT1). Results from this study provide important biological insights about previously associated SNPsin the MHC. We were also involved in the largest genome-wide association study (GWAS) on COPD. This GWAS was performed by the International COPD Genetics Consortium (ICGC) and identified 22 loci associated at genome-wide significance. Genotypes of 63,192 subjects (15,256 cases and 47,936 controls) from 26 studies were used in the meta-analysis. Results were further replicated in 9,498 cases and 9,748 controls from the UK Biobank. Among the 22 associated loci, 9 were previously associated with COPD, 15 with lung function and 4 (EEFSEC, DSP, MTCL1and SFTPD) werenovel loci. Our findings highlight new loci associated with COPD and demonstrate the genetic overlap between lung function and COPD. Finally, the frequencies of deficient SERPINA1 alleles were evaluated in Canadian patients with COPD and DNA sequencing was evaluated as a single test strategy to detect AATD. DNA sequencing of the coding regions of SERPINA1 was performed in 400 individuals from the CanCOLD study (Canadian Cohort of Obstructive Lung Disease). Nineteen genetic variants were identified, including 15 missense mutations and one new mutation. DNA sequencing of SERPINA1 revealed the true genetic nature of AATD and was demonstrated has an effective, fast, and inexpensive single test strategy to detect AATD. Studies presented in this thesis have identified genes and pathways involved in the development of COPD, which are new targetsfor future studies.
Bouchard-Mercier, Annie. "Génétique, acides gras oméga-3 et facteurs de risque des maladies cardiovasculaires." Doctoral thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/25719.
Full textChronic diseases such as cardiovascular diseases (CVD) are complex and their risk factors are regulated by many factors, for example the genetic background and dietary intakes. In this project, 210 participants were recruited. Two dietary factors were identified, the Prudent dietary pattern which was characterised by higher intakes of vegetables, fruits, whole grain products and non-hydrogenated fats and the Western dietary pattern, characterised by higher intakes of refined grain products, desserts, sweets and processed meats. Both dietary patterns modulated the expression of genes related to the immune system, inflammatory response, cancer and/or CVD. The Western dietary pattern was also associated with a metabolite profile which comprised greater concentrations of certain amino acids as well as small chain acylcartinines. To examine the interindividual variability in the response to a nutrient, a 6 week fish oil supplementation was conducted among the 210 participants. SNPs related to genes involved in de novo lipogenesis and fatty acid beta-oxidation (ACLY, ACACA, GCK, RXRA, ACOX1) were associated alone or in an interaction effect with dietary intakes with the plasma triglyceride (TG) response to the fish oil supplementation. The genetic variability within sterol regulatory element binding transcription factor 1 (SREBF1) gene was associated with differences in the response of insulin concentrations following fish oil supplementation. In a second cohort of 691 participants, associations between SNPs, identified in a previous GWAS conducted among the 210 participants supplemented with fish oil, and TG as well as plasma phospholipid fatty acid concentrations were observed. This thesis also comprises a knowledge transfer section where the attitude was identified as the main determinant of the intention of dietitians to discuss nutrigenetics with their patients/clients. Globally, these results demonstrate that dietary patterns modulate the metabolism at several levels and that the response to fish oil is variable depending upon genetic profile and dietary intakes.
Darrichard, Nicole. "Observation de deux frères présentant des anévrismes iliaques bilatéraux." Caen, 1991. http://www.theses.fr/1991CAEN3021.
Full textBalazard, Félix. "Contributions à la génétique et l'épidémiologie des maladies complexes pour une médecine personnalisée." Electronic Thesis or Diss., Sorbonne université, 2018. http://www.theses.fr/2018SORUS380.
Full textThis thesis concerns the identification of the genetic and environmental causes of complex diseases. Our central application is Isis-Diab a study of type 1 diabetes. We propose a method to use phase information to improve genetic risk predictions. We replicate an estimate of genetic risk on Isis-Diab patients. We prove an asymptotic equivalence result between two paired data analysis methods. We then analyze the Isis-Diab case-control study based on environmental questionnaires. We try to confirm the results of this study by crossing the genetic risk and environemental factors in Isis-Diab patients. This leads us to propose a new methodology based on collider bias and a study of its influence in case-only studies for gene-environment interactions. Finally, we study the possibility of using randomized clinical trials to personalize treatments. We propose a new methodology to evaluate the benefit of personalization and we recommend a choice of personalization strategy
Probst, Vincent. "Approche génétique des pathologies cardiaques rythmiques et valvulaires." Nantes, 2005. https://archive.bu.univ-nantes.fr/pollux/show/show?id=c5c78ce7-39b2-467b-9c1a-f6d99ff02391.
Full textIn this thesis, we present the results of our work on the role of the genetic factors for cardiac arrhythmias and valvulopathies. Our work allowed the identification of the first gene responsible for progressive cardiac conduction defects (SCN5A). We have performed the electrophysiological characterisation of this mutation and the analysis of the genotype to phenotype relationships. We also present the study of several families affected by progressive cardiac conduction defects. One of these families, allow us to identify the third locus for this disease on the chromosome 16. We have also showed that the genotype to phenotype relationships for SCN5A mutations are complex as in one of the family the same mutation could lead to cardiac conduction defects or Brugada syndrome. We also present our works on myxomatous valvulopathies, which allow us to identify the first gene (Filamin A) for this disease. We also present a very large family affected by a classic and trileaflet form of calcific aortic valve stenosis
Books on the topic "Libanais – Maladies – Aspect génétique"
Campion, Dominique. Programmation génétique, comportements et cognition en psychiatrie. Rueil-Malmaison: Doin, 2006.
Find full textJunien, Claudine. Nutrigénétique du risque cardiovasculaire: Terrains génétiques et nutrition. Paris: Editions Tec & Doc, 2003.
Find full textSpyrou, Bartsokas Chrēstos, ed. Genetics of kidney disorders: Proceedings of the fifth International Clinical Genetics Seminar, held in Rethymno, Crete, October 25-30, 1988. New York: A.R. Liss, 1989.
Find full text" Brave New Brain": Vaincre les maladies mentales à l'ère du génome. Bruxelles: De Boeck, 2004.
Find full textRichard, Gagné, Leclerc B, Melançon Marcel, Association canadienne-française pour l'avancement des sciences. Congrès, and Groupe de recherche en génétique et éthique., eds. Génétique et éthique--identification et thérapie des maladies génétiques: Actes du colloque multidisciplinaire tenu à l'Université du Québec à Montréal le 18 mai 1989 au 57e Congrès de l'ACFAS. Chicoutimi, Québec: Groupe de recherche en génétique et éthique, 1989.
Find full textInternational Association of Biomedical Gerontology. International Congress, ed. Aging, cancer and age-related diseases: Common mechanisms? Boston, MA: Published by Blackwell Pub. on behalf of the New York Academy of Sciences, 2010.
Find full textProceed with caution: Predicting genetic risks in the recombinant DNA era. Baltimore: Johns Hopkins University Press, 1989.
Find full textHoracio, Fabrega. Origins of psychopathology: The phylogenetic and cultural basis of mental illness. New Brunswick, N.J: Rutgers University Press, 2002.
Find full textBerrettini, Wade, and John I. Nurnberger. Principles of psychiatric genetics. Cambridge: Cambridge University Press, 2012.
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