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Добірка наукової літератури з теми "Reprogrammation fonctionnelle"
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Статті в журналах з теми "Reprogrammation fonctionnelle"
Bernadat, Georges. "La correction des dysfonctions et la reprogrammation fonctionnelle." Bulletin de l’Union Nationale pour l’Intérêt de l’Orthopédie Dento-Faciale, no. 36 (2008): 12–23. http://dx.doi.org/10.1051/uniodf/200836012.
Повний текст джерелаCoulombel, Laure. "Reprogrammation fonctionnelle de gamètes mâles par des embryons haploïdes parthénotes." médecine/sciences 32, no. 10 (October 2016): 903–10. http://dx.doi.org/10.1051/medsci/20163210026.
Повний текст джерелаДисертації з теми "Reprogrammation fonctionnelle"
Deva, Nathan Aurélia. "Caractérisation des bases moléculaires et cellulaires de la reprogrammation fonctionnelle radio-induite des macrophages dans le cadre du traitement du cancer." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASL079.
Повний текст джерелаTumor-associated macrophages (TAMs) are key components of the tumor microenvironment that display immunosuppressive functions and are associated with poor prognosis in most cancers. The functional reprogramming of these macrophages with pro-tumor properties towards a proinflammatory phenotype with anti-tumor properties promotes the development of an anti-tumor response. Our team recently studied how ionizing radiation modulates macrophage reprogramming towards a proinflammatory phenotype. Increasing the ability of ionizing radiation to reprogram TAMs into proinflammatory macrophages is a key objective to improve the effectiveness of cancer treatments.In this context, my thesis work enabled (i) to further characterize the molecular mechanisms involved in the radiation-induced macrophage reprogramming, (ii) to identify the role of the purinergic receptor P2Y2 as a negative modulator of the proinflammatory reprogramming of macrophages; (ii) to characterize the molecular bases of this biological process, and (iii) to propose the inhibition of the biological activity of P2Y2 receptor, to increase the ability of ionizing radiation, triggering the pro-inflammatory activation of macrophages
Daguerre, Yohann. "Analyse fonctionnelle d'effecteurs fongiques impliqués dans le développement de la symbiose ectomycorhizienne Laccaria bicolor-Populus trichocarpa." Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0167/document.
Повний текст джерелаRoots of most trees form symbiosis with mutualistic soil-borne fungi. The ectomycorrhizal basidiomycete L. bicolor (Maire) P.D. Orton relies on mycorrhizal-induced small secreted proteins (MiSSP) to establish symbiotic tissues in the host-plant. The host proteins targeted by these fungal effectors are yet unknown. In the present study, we used the binary yeast two-hybrid (Y2H) system to determine direct interactions between MiSSP7 and the plant proteins in the L. bicolor-P. trichocarpa ectomycorrhizae. We showed that MiSSP7 interact with the jasmonic acid (JA) co-receptors JAZ5 and JAZ6 of P. trichocarpa, blocking JA signaling and promoting mutualism. L. bicolor transformants with severely reduced expression of MiSSP7 did not enter into symbiosis with poplar roots, a phenotype that could be complemented by transgenically varying the transcription of PtJAZ6 or through inhibiting JA signalling. Additional Y2H assays showed that PtJAZ6 protein form a regulatory complex involving 14-3-3 protein(s) and MYC transcriptional factors. Two others L. bicolor effector-like proteins, MiSSP8 and MiSSP17, are secreted and are essential for the symbiosis development. Y2H assays suggested that these MiSSPs interact with plant proteins involved in plant defence signalling pathways. During symbiosis development, L. bicolor experiences important genetic reprogramming required for root colonization. Transcription factors (TFs) are key players of these genetic changes. Here, we developed high throughput analysis of TFs in L. bicolor to obtain a comprehensive inventory of significantly regulated transcription factors in ECM
Vallin, Benjamin. "Caractérisation fonctionnelle de nouvelles isoformes d'adénylyl cyclase 8 identifiées dans les cellules musculaires lisses vasculaires trans-différenciées." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066117/document.
Повний текст джерелаThe phenotypic switch of vascular smooth muscle cells (VSMC) towards a migratory, proliferative and secretory state plays a key role in atherosclerotic plaque expansion and intimal hyperplasia leading to post-angioplasty restenosis. Our previous results suggest that the trans-differentiation of rat, mouse and human VSMC involves the de novo expression of the Adenylyl Cyclase 8 (AC8), an enzyme that catalyzes the synthesis of cyclic AMP (cAMP) (Clement et al., 2006; Gueguen et al., 2010; Keuylian et al., 2012; unpublished results). The main goal of my PhD was to decipher the impact of AC8 expression on cAMP signaling in trans-differentiated VSMC. Using the FRET-based biosensor T-Epac-VV, we showed that the de novo expression of AC8 limits increases in cellular cAMP. This non-canonical function relies on a new family of AC8 isoforms that we have identified and cloned: the AC8E1 to 4. They share a common deletion of the first five transmembrane domains. The biochemical characterization of AC8E over-expressed in HEK cells allowed us to elucidate their functioning. cAMP accumulation assays, co-immunoprecipitation experiments and immunocytochemistry revealed that AC8E hetero-dimerize with functional AC during their maturation in the reticulum, suppress their enzymatic activity and prevent their traffic to the plasma membrane. Numerous studies have shown that increases in cAMP concentration within trans-differentiated VSMC antagonize pathological vascular remodeling (Douglas et al., 2005; Katakami et al., 2010). Thus, the induction of AC8E in trans-differentiated VSMC could prevent the vasculoprotective effects of cAMP and promote the acquisition of a synthetic phenotype
Boukezzi, Sarah. "Mécanismes cérébraux impliqués dans le trouble de stress post-traumatique et dans sa rémission symptomatique." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0041.
Повний текст джерелаPosttraumatic Stress Disorder (PTSD) is a debilitating psychiatric disorder that arises in the aftermath of a traumatic event. To date, the Eye Movement Desensitization and Reprocessing therapy (EMDR) therapy has shown to be the most efficient therapy for the treatment of PTSD. The aim of this thesis was therefore to understand neural mechanisms underlying PTSD and its recovery. To do so, we conducted four studies. In a first study, we showed alterations in the reward circuit activity in PTSD patients, which may underlie an imbalance mobilization of cognitive and hedonic motivational processes, possibly contributing to emotional numbing in PTSD (study 1). Following this, an altered resting state functional connectivity between a network associated with attentional processes and another associated with emotional and memory processes was also found, suggesting an atypical emotional regulation and attention processing (study 2). A third study showed changes of grey matter density in regions involved in emotional regulation after symptoms remission by EMDR therapy. Finally, we were also able to replicate, in PTSD patients, the fear extinction and fear extinction recall facilitation by bilateral alternating stimulations (BAS) a major component of EMDR therapy, previously demonstrated in animal studies. Taken together, the present findings of these studies contribute to enlarge our knowledge, opening new ways of thinking the actual model of explaining the PTSD. More importantly, we believe that our findings may contribute to improve therapeutic strategies to significantly ameliorate the life of these patients