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Academic literature on the topic 'Guérison de plaie'
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Journal articles on the topic "Guérison de plaie"
Pochet, T. R. L. "Chaussure de décharge cherche plaie du pied pour attachement durable et guérison si affinités…" Revue Francophone de Cicatrisation 1, no. 1 (January 2017): 119. http://dx.doi.org/10.1016/s2468-9114(17)30280-3.
Full textDreyfus, J. C. "TGFβ et guérison des plaies." médecine/sciences 10, no. 2 (1994): 224. http://dx.doi.org/10.4267/10608/2596.
Full textNuss, P. "La place des symptômes résiduels : entre rémission et guérison." L'Encéphale 31, no. 6 (December 2005): 14–16. http://dx.doi.org/10.1016/s0013-7006(05)82442-x.
Full textGlicenstein, J. "Jules Guérin (1801–1885) et l’occlusion pneumatique des plaies." Annales de Chirurgie Plastique Esthétique 53, no. 4 (August 2008): 378–82. http://dx.doi.org/10.1016/j.anplas.2007.12.002.
Full textChervet, Bernard. "L’avenir de la régression dans les traitements psychanalytiques." Filigrane 17, no. 2 (November 20, 2008): 41–59. http://dx.doi.org/10.7202/019418ar.
Full textTorregrosa, Cecile, Manuel Rodrigues, and Marie-France Mamzer-Bruneel. "Place de la notion de guérison du cancer à l’heure de la médecine personnalisée et de l’immunothérapie." Bulletin du Cancer 105, no. 3 (March 2018): 220–21. http://dx.doi.org/10.1016/j.bulcan.2017.11.013.
Full textBonetto, R. D., H. R. Viturro, and A. G. Alvarez. "XTL-SIZE: a computer program for crystal-size-distribution calculation from X-ray diffraction line broadening." Journal of Applied Crystallography 23, no. 2 (April 1, 1990): 136–37. http://dx.doi.org/10.1107/s0021889889011775.
Full textJérôme, Laurent. "L’anthropologie à l’épreuve de la décolonisation de la recherche dans les études autochtones." Anthropologie et Sociétés 32, no. 3 (April 20, 2009): 179–96. http://dx.doi.org/10.7202/029723ar.
Full textJaccoud, Mylène. "La portée réparatrice et réconciliatrice de la Commission de vérité et réconciliation du Canada." Recherches amérindiennes au Québec 46, no. 2-3 (July 3, 2017): 155–63. http://dx.doi.org/10.7202/1040443ar.
Full textMurphy, Christina M., and Michael D. Breed. "Time-Place Learning in a Neotropical Stingless Bee, Trigona fulviventris Guérin (Hymenoptera: Apidae)." Journal of the Kansas Entomological Society 81, no. 1 (April 2008): 73–76. http://dx.doi.org/10.2317/jkes-704.23.1.
Full textDissertations / Theses on the topic "Guérison de plaie"
Desjardins, Pascale. "Contribution de la kinase WNK1 à la guérison des plaies cornéennes." Master's thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/33066.
Full textThe cornea, because of its superficial anatomical location, is continually subjected to abrasive forces and various traumas, which can lead to significant visual impairments. Damages to the corneal epithelium trigger important changes in the composition of the extracellular matrix (ECM) to which the basal human corneal epithelial cells (hCECs) attach. These changes are perceived by integrins that activate different intracellular signalling pathways, ultimately leading to reepithelialization of the injured epithelium. The aims of this study was, first, to identify the signalling mediators whose expression and/or activation was altered during the healing process of the cornea, and second, to analyze the impact of the inhibition of one of these signalling mediators, the WNK1 kinase, on the corneal wound healing. Analysis of the gene profiling data and kinase arrays revealed important alterations in the expression and activity of several mediators, including the WNK1 kinase, in response to the ECM changes that occur during corneal wound healing. Using both monolayers of hCECs and tissue-engineered human corneas (hTECs) as in vitro models, we demonstrated that pharmacological inhibition of WNK1 by WNK463 significantly reduced the rate of corneal wound closure. In addition, Western blot analyzes and growth rate measurements have shown that inhibition of WNK1 prevents the activation of its downstream target proteins SPAK and OSR1, and alters the proliferative properties of hCECs, respectively. Finally, these results allowed the identification of WNK1 as an important player in the wound healing of the cornea, thus assigning a new function to this kinase. These results will therefore contribute to a better understanding of the cellular and molecular mechanisms involved in corneal wound healing and could lead to the identification of new therapeutic targets in the treatment of corneal wounds.
Thouin, Kiefer. "Étude de l'impact de la glycation sur la guérison des plaies cutanées." Master's thesis, Université Laval, 2017. http://hdl.handle.net/20.500.11794/27615.
Full textThe wound healing process is essential to restore the skin barrier function to prevent fluid loss and infection. It is a process led by many factors and inflammation is an important one. Furthermore, the peripheral nervous system plays an important role in this process by inducing neurogenic inflammation that lead to neuropeptides secretion, more specifically P substance (SP) and Calcitonin Gene-Related Peptide (CGRP), by sensitive neurons. Diabetes is a common pathology that can cause neuropathy and aggravates wound healing closure. Hyperglycemia induced in diabetes can causes tissues glycation by the formation of advanced glycation end-products (AGEs), like N-carboxymethyl-Lysin (CML) that is expressed in skin. Some patients develop a neuropathy that participated in the wound healing alterations. That can lead to ulcer development and high risks of lower limb amputation. Our interest to find a treatment with AGE-breaker, aminoguanidine (prevent AGE formation), and neuropeptides SP in combination of CGRP is attractive because it inhibits deleterious effects by AGEs in wound healing and it compensate for the neurons death and the decrease of neuropeptides. Results show that our proposed treatment accelerated wound closure. This approach could avoid to some diabetic patients to the need of lower limb amputation by rapidly and efficiently closing foot ulcer and at the same time, avoid other complications like infections.
Couture, Camille. "Étude de la guérison des plaies cornéennes in vitro et in vivo." Doctoral thesis, Université Laval, 2020. http://hdl.handle.net/20.500.11794/70365.
Full textThe cornea is a unique tissue due to its transparency, a crucial feature allowing proper light transmission to the retina. However, because of its position at the outer surface of the eye, the cornea is subjected to traumas that may alter vision quality. Such traumas may affect the capacity of corneal stem cells to regenerate the tissue. In that case, visual acuity is greatly reduced or even abolished. Corneal wound healing is a complex process that involves extracellular matrix remodeling as well as many cellular processes such as migration, proliferation, differentiation and cell-cell communication. The goal of this thesis was to study the molecular and cellular processes that occur during corneal wound healing. To do so, human tissue-engineered corneas as well as primary corneal cells cultivated as monolayers were used to study corneal wound healing. Using these in vitro models, we established that corneal wound healing processes could be significantly accelerated by inhibiting the protein CREB while activating the protein AKT. The pharmacological agents used were C646, a CREB inhibitor, and SC79, an AKT agonist. These pharmacological agents were also used in vivo in a rabbit wound model. After establishing the best method for creating reproducible corneal wounds, we showed that the lowest concentrations of C464 and SC79 tend to accelerate the healing. As exosomes are well known to participate in cell-cell communication during wound healing, we isolated these small extracellular vesicles secreted by either corneal epithelial cells, corneal fibroblasts and corneal endothelial cells. Their impact on the corneal wound healing process was therefore investigated. Taken together, the results presented in this thesis lead to a better understanding of the molecular and cellular processes that take place during corneal wound healing. Based on these novel and promising results, we worked on the development of an innovative treatment that may significantly reduce the wound healing time and therefore the risk of complications. This new therapeutic approach is an encouraging opportunity to improve the treatment currently offered to patients suffering from corneal wounds.
Laplante, Alain. "Expression des protéines de stress au cours de la guérison de plaies cutanées murines." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0006/MQ31744.pdf.
Full textCouture, Camille. "Étude de la guérison des plaies cornéennes grâce à la cornée reconstruite par génie tissulaire." Master's thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/27112.
Full textLa cornée est la couche la plus antérieure de l'oeil et sa transparence permet de laisser passer les ondes lumineuses vers la rétine. Cependant, la localisation de la cornée la prédispose à des blessures chimiques et mécaniques. La guérison des blessures cornéennes est un mécanisme complexe faisant intervenir la mort cellulaire, la migration, la prolifération, la différenciation et le remodelage de la matrice extracellulaire (MEC). Dans cette étude, nous avons utilisé la cornée humaine reconstruite par génie tissulaire composée d’un épithélium et d’un stroma afin d’étudier les mécanismes cellulaires et moléculaires de la guérison des plaies, en particulier le remodelage de la MEC exercé par les métalloprotéinases matricielles (MMPs). Les analyses en profilage génique sur biopuces à ADN nous ont permis de démontrer que l’expression de plusieurs gènes était dérégulée lors de la guérison des plaies dans notre modèle. L’expression des gènes codant pour les MMPs, tel que confirmée en qPCR, est augmentée dans l’épithélium migrant afin de recouvrir la plaie. Les analyses en zymographie sur gel ont démontré que les MMPs étaient converties en leur forme enzymatiquement active au fur et à mesure que la lésion se referme. Par ailleurs, nous avons démontré que l’expression des MMPs par les cellules épithéliales est influencée par la présence des fibroblastes dans le stroma ainsi que par leur sécrétion d’une MEC enrichie en collagènes. De plus, les analyses en spectrométrie de masse ont confirmé que la présence d’un épithélium stratifié est requise pour la synthèse et l’organisation adéquate de la MEC. Enfin, les résultats de ces travaux améliorent nos connaissances des mécanismes cellulaires et moléculaires qui modulent la guérison des plaies cornéennes et pourront certainement mener à des progrès en clinique, notamment au niveau du développement de thérapies visant à traiter les troubles de la cornée.
The cornea is located at the outer surface of the eye and its transparency is required to allow light transmission to the retina. However, because of its location, the cornea is subjected to chemical and mechanical injuries. Corneal wound healing is a complex mechanism involving many processes such as cell death, migration, proliferation, differentiation and extracellular matrix (ECM) remodeling. In the present study, we used a tissue-engineered, two-layers (epithelium and stroma) human cornea as a biomaterial to study both the cellular and molecular mechanisms of wound healing, more specifically the ECM remodeling exerted by matrix metalloproteinases (MMPs). Gene profiling on microarrays revealed important alterations in the pattern of genes expressed by tissue-engineered corneas in response to wound healing. Expression of many MMPs-encoding genes was shown by microarray and qPCR analyses to increase in the migrating epithelium of wounded corneas. Many of these enzymes were converted into their enzymatically active form as wound closure proceeded. In addition, expression of MMPs by human corneal epithelial cells was affected both by the stromal fibroblasts and the collagen-enriched ECM they produce. Most of all, results from mass spectrometry analyses provided evidence that a fully stratified epithelium is required for proper synthesis and organization of the ECM on which the epithelial cells adhere. This study will improve our understanding of the cellular and molecular mechanisms that modulate human corneal wound healing by exploiting a new, innovative 3D reconstructed tissue much closer to the native cornea. It is likely that our study will lead to the development of novel therapies for the treatment of many corneal disorders.
M, Labbé Benoît. "Évaluation de l'impact de nouveaux pansements biologiques sur la guérison de plaies cutanées in vitro." Master's thesis, Université Laval, 2013. http://hdl.handle.net/20.500.11794/25874.
Full textTreatment of chronic wounds remains a major challenge in clinic and efficient treatment options are still limited. The goal of this project was to create and evaluate the potential of bioengineered cellular wound dressings made of adipose-derived stem/stromal cells (ASCs) for cutaneous wound healing. Dressings made of ASCs differentiated or not towards the adipogenic lineage were produced using the self-assembly approach and were evaluated using an adapted in vitro wound healing model. The effect of these dressings was assessed by measuring the progression of reepithelialisation on in vitro wounds, by characterizing dressing’s secreted products and by histological and immunohistochemical analyses. This research suggests that ASCs could be used as an alternative or a complement to dermal fibroblasts for the production of autologous dressings useful for healing of chronic wounds.
Fortin, Véronique. "Étude de la régénération de la membrane basilaire au cours de la guérison de plaies cutanées humaines." Thesis, Université Laval, 2005. http://www.theses.ulaval.ca/2005/22793/22793.pdf.
Full textMorissette, Martin Pascal. "Évaluation de l'impact de pansements biologiques humains produits par génie tissulaire sur la guérison de plaies cutanées murines." Master's thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/26721.
Full textPromotion of skin repair for acute or chronic wounds through the use of tissue-engineered products is an active field of research. This study evaluates the effects mediated by two types of tissue-engineered biological dressings containing human in vitro-differentiated adipocytes or adipose-derived stromal cells (ASCs). Re-epithelialization, granulation tissue formation and neovascularization of full-thickness cutaneous wounds were specifically assessed using a murine model featuring a fluorescent epidermis. In comparison to wounds that did not receive either type of biological dressings, treated wounds displayed significantly faster wound closure rates. Non-invasive imaging of GFP-expressing keratinocytes determined that wound closure was independent from re-epithelialization mechanisms, while histological assessments of the scar tissues showed thicker granulation tissues enriched in collagens and increased angiogenesis. Taken together, these results establish that engineered substitutes featuring adipocytes or ASCs can promote cutaneous healing when applied as temporary dressings, suggesting their relevance for chronic wound management studies.
Letakamba, Paluku Jacques. "La place de la pastorale de la santé dans l'évangélisation en République Démocratique du Congo : cas du "service ambulatoire" du centre pour handicapés de Goma." Thesis, Metz, 2009. http://www.theses.fr/2009METZ016L/document.
Full textThe relevance of this subject joins in the fundamental ecclesial dynamics. It is not only about a diachronic reading of evangelization, but also about a synchronic outline whose object is part of an existential context at the "Center for handicapped persons" in Goma, a diocese in the Democratic Republic of Congo. This concern arouses interest and attention. Faced with precariousness and illness, in a history which keeps going and a future which is taking shape over the days, what place does evangelization reserve for health pastorale ? To clear up the question it should be noted that recovery of health is not limited to the only sphere rationally devoted to medicine. It also presupposes the interactions susceptible of a holistic therapy for human being. Health pastorale is suited and plays an outstanding role. The theme dealt with lies on a three-part framework : first, a historic reading relating evangelization in the Democratic Republic of Congo, then, a scriptural approach underlining the recovery process in a soteriological and anthropological dimension, and finally, an analytico-critical perspective, analyzing with accuracy, the pastoral implications of the "ambulatory service" of the Center for handicapped persons in Goma
Floc'hlay-Clervoy, Annie. "Place et sens du culte des saints guérisseurs en Bretagne." Bordeaux 2, 1992. http://www.theses.fr/1992BOR2M089.
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