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Academic literature on the topic 'Protéines à zinc – Inhibiteurs'
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Journal articles on the topic "Protéines à zinc – Inhibiteurs"
Ekanem, N. J., U. A. Inyang, and K. Ikwunze. "Chemical composition, secondary metabolites and nutritive value of elephant-ear tree (Enterolobium cyclocarpum (Jacq.) Griseb): A review." Nigerian Journal of Animal Production 49, no. 2 (March 8, 2022): 277–86. http://dx.doi.org/10.51791/njap.v49i2.3489.
Full textEkanem, N. J., U. A. Inyang, and K. Ikwunze. "Chemical composition, secondary metabolites and nutritive value of elephant-ear tree (Enterolobium cyclocarpum (Jacq.) Griseb): A review." Nigerian Journal of Animal Production 49, no. 2 (March 8, 2022): 1–9. http://dx.doi.org/10.51791/njap.v49i2.3439.
Full textReboud-Ravaux, Michèle. "Le protéasome, la seconde vie d’une cible thérapeutique validée : aspects structuraux et nouveaux inhibiteurs." Biologie Aujourd’hui 215, no. 1-2 (2021): 1–23. http://dx.doi.org/10.1051/jbio/2021005.
Full textDive, Par Vincent, Michel Kaczorek, and Florence Roux. "Les nouveaux inhibiteurs des métalloprotéinases à zinc." Biofutur 1997, no. 167 (May 1997): 29–33. http://dx.doi.org/10.1016/s0294-3506(99)80303-2.
Full textCampedel, L., S. Assoun, S. Bécourt, O. Nguyen, F. Ledoux, L. Doucet, M. Espié, and L. Teixeira. "Toxicités sévères des immunothérapies du cancer." Médecine Intensive Réanimation 27, no. 6 (November 2018): 522–36. http://dx.doi.org/10.3166/rea-2018-0070.
Full textSene, Birama, Fallou Sarr, Diegane Diouf, Amadou Kane, and Djibril Traore. "Étude de la composition minérale et des teneurs en protéines et en matières grasses de huit variétés de sésame (Sesamum indicum L.) introduites au Sénégal pour un criblage variétal." OCL 25, no. 6 (August 29, 2018): A601. http://dx.doi.org/10.1051/ocl/2018045.
Full textKatunguka Rwakishaya, E. "Influence de l’infection à Trypanosoma congolense sur quelques constituants protéiques et inorganiques du sang chez le mouton." Revue d’élevage et de médecine vétérinaire des pays tropicaux 49, no. 4 (April 1, 1996): 311–14. http://dx.doi.org/10.19182/remvt.9502.
Full textBonnefoy, Nathalie, Daniel Olive, and Bernard Vanhove. "Les futures générations d’anticorps modulateurs des points de contrôle de la réponse immunitaire." médecine/sciences 35, no. 12 (December 2019): 966–74. http://dx.doi.org/10.1051/medsci/2019193.
Full textFroger, Nicolas. "Potentialités thérapeutiques des neurostéroïdes en psychiatrie." Biologie Aujourd’hui 213, no. 3-4 (2019): 131–40. http://dx.doi.org/10.1051/jbio/2019023.
Full textHarel, L. "Les propriétés multiples des protéines de liaison des IGF (insulin-like growth factors) : inhibiteurs et activateurs de croissance." médecine/sciences 12, no. 3 (1996): 359. http://dx.doi.org/10.4267/10608/739.
Full textDissertations / Theses on the topic "Protéines à zinc – Inhibiteurs"
Fougiaxis, Vasileios. "Discovery and Optimization of ERAP1-Metalloprotease Inhibitors through Kinetic Target-Guided Synthesis and Fragment-Based Screening." Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILS030.
Full textEndoplasmic reticulum aminopeptidase 1 (ERAP1) is a zinc-metalloprotease of the M1-family, implicated in the antigen processing and presentation pathway. Together with the highly homologous isoform ERAP2, they mediate the N-terminus trimming of peptide precursors in order to generate mature antigenic epitopes ready for loading upon major histocompatibility complex class I (MHC-I) molecules, ultimately eliciting T-cytotoxic cellular responses. Modulation ofERAP1 and putative therapeutic applications in autoimmune disorders and immune-oncology have been in the center of recent efforts to develop small molecules able to fine-tune immune dysregulation. Targeted and controlled inhibition of ERAP1 constitutes a challenging task because of the high structural similarity and broad substrate specificity within the M1-aminopeptidase subfamily. Therefore, the identification and optimization of potent and novel chemical scaffolds for selective modulation of ERAP1 is imperative. In the first part of the following PhD thesis we present and discuss the identification and development of ERAP1 inhibitors through kinetic target-guided synthesis (KTGS). KTGS is a protein-templated strategy able to provide potent hits against druggable targets. A library of 250diverse alkynes was used in combination (in situ “click” chemistry) with 13 in-house synthesized hydroxamate azide warheads. ERAP1 catalyzed the equilibrium-driven synthesis of 1,4- or 1,5-disubstituted hydroxamic acid triazole mixtures targeting the catalytic site and the assembled ligands were detected by mass-spectrometry. We successfully identified 18 hits displaying a dose dependent inhibition of hERAP1 at low micromolar range. These are appealing starting points for further hit-to-lead optimization and SAR studies leading to 3 inhibitors of improved potency (IC50< 10 μM). The second approach involved a fragment-based biochemical screening of a large in-house and commercial library (∼3000 fragment entries) against hERAP1. Fragment-based methods can identify low-molecular weight hits that can be optimized to bind into a small protein region more efficiently. After applying various filters (dose-response confirmation, LE, LLE, commercial availability, synthetic feasibility and derivatization potential) we selected 13 confirmed chemotypes (hits) that were further explored and optimized by fragment-growing efforts. One chemical series (2-thienylacetic acid) was prioritized and supplementary in silico docking studies were performed (catalytic and allosteric sites) to visualize the binding mode of the developed analogues
He, Ben. "Design, Synthesis And Evaluation Of ERAP/IRAP Inhibitors." Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILS032.
Full textERAP1, ERAP2, and IRAP are three zinC-containing M1 family enzymes involved invarious biochemical processes in the human body. Among their functions, the role of ERAPs and IRAP in antigen processing is particulary interesting. By cleaving precursors at the N-terminus, ERAP1, ERAP2, and IRAP generate antigens of proper length to form complexes with MHC-I molecules, therefore regulating the immune response. Genetic studies have linked the expression levels and mutations to autoimmune disease (MHC-Iopathies), infectious diseases as well as cancer. Therefore, developing selective inhibitors of these enzymes may provide new clinical treatments for these diseases. There are multiple zinC-binding groups available, such as carboxylic acids,benzamides, thiols, and hydroxamic acids. The hydroxamic acid-based inhibitors of this work was inspired by inhibitors of PfAM1, a plasmodial metalloprotease of the M1 family. Initial pharmacomodulation allowed to obtain micromolar inhibitors of ERAPs. These hit compounds were further optimized, resulting in several potent inhibitors of ERAP1 and/or IRAP. These compounds serve as the starting point for this thesis, to design, synthesize and characterize biologically selective ERAP1 and/or IRAP inhibitors. In the thesis, three series of small molecule inhibitors were developed and synthesized. Docking was used to propose new structures and to rationalize the activity and selectivity of the inhibitors. Among these compounds, a nano-molar selective IRAP inhibitor was identified, along with several sub-micromolar inhibitors for both ERAP1 and IRAP. Some of these inhibitors also demonstrated potency in a cellular antigen cross-presentation assay
Baumann, Jean Sébastien. "Synthèse de glyconanostructures : inhibiteurs potentiels des interactions sucres-protéines." Amiens, 2011. http://www.theses.fr/2011AMIE0102.
Full textThe central theme of this thesis is the design and synthesis of diverse family of “multivalent” glyconanostructures as potential inhibitors of glycosyltransferases and glycosylhydrolases. A special emphasis is placed on ppGalNAcTs because of their role in the biosynthesis of O-glycans (mucins). A library of multivalent macromolecules has been targeted based on the supposed mode-of-action of these enzymes. The targeted glycostructures are comprised of various scaffolds (fullerenes, nanodiamonds, boron-doped diamonds, polymers…) and various glycan mimics/iminosugars. New strategies based on dominos reactions have been developed to obtain the iminosugar components. Each of the various fragments have been functionalised with either azido or alkyne groups and then combined employing a 1,3 dipolar cycloaddition reaction. Several members of the targeted glyconanostructure library have been obtained. The successful synthesis of these new glyconano sructures has allowed to probe how weak interactions typically observed between glycans and their biological receptors manifest themselves in the case of little-studied catalytic proteins such as the ppGalNAcTs. The types of glyconanostructures synthesized in this work have great potential as tools in the domain of glycomics which is attracting a good deal of attention at the present time
Stephan-Queffeulou, Emilie. "Sélection de peptides inhibiteurs de l'activité des protéines STAT5." Compiègne, 2011. http://www.theses.fr/2011COMP1928.
Full textConstitutive activation of STAT5 proteins has been demonstrated in numerous cases of malignant hemopathies and solid tumors. This phenomenon results in enhanced transcription of proliferative and anti-apoptotic genes, contributing to cancer development. Consequently, STAT5 proteins are attractive targets for innovative anticancer therapy. Developing STAT5 direct inhibitors is all the more important that current treatment against leukemias are few specific and cause secondary effects. This project aims at selecting STAT5 inhibiting molecules from a peptide library expressed on bacteriophage surface (phage display technology). First, recombinant STAT5B protein was produced, purified and used as a target during affinity-based selection. After a two-step selection, two peptides (PepA and PepM) were identified. The affinity of the two soluble peptides was measured by Biacore (Surface Plasmon Resonance technology) : PepM shows an nanomolar affinity towards STAT5B recombinant protein. This peptide interacts also with active STAT5 protein as demonstrated by pull down experiments. Finally, PepM effects on different cell lines were studied. This peptide penetrates in cells and preliminary results show that PepM diminishes STAT5 dependent cell viability
Duran, Hubert. "Synthèse et propriétés complexantes de phénolamides analogues de substrats de la cinnamyl alcool déshydrogénase." Toulouse 3, 1989. http://www.theses.fr/1989TOU30186.
Full textPietrancosta, Nicolas. "Nouvelles approches en cancérologie "les cicbles Met et p53" : Synthèse, optimisation et études du mécanisme d'action de nouveaux dérivés aminothiazoles." Aix-Marseille 2, 2006. http://www.theses.fr/2006AIX22091.
Full textBenltifa, Mahmoud. "Synthèses de glyco-héterocycles inhibiteurs de la glycogène phosphorylase et de protéine kinases." Lyon 1, 2006. http://www.theses.fr/2006LYO10115.
Full textWhile heterocyclic compounds have found early wide applications because if their broad spectrum of bioactivities, the development of Glycosciences has shown the importance of carbohydrates for Life, and the crucial roles they exert for the normal development of living organisms, or their control based on glycomimics. These reasons explain the topic of this thesis : SYNTHESIS OF GLYCOHETEROCYCLES AS INHIBITORS OF GLYCOGEN PHOSPHORYLASE AND PROTEIN KINASES. The first chapter describes 1,3-dipolar cycloadditions reactions between sugar-based acrylates and cinnamates and such dipoles as trimethylsilyldiazomethane and nitrile oxides. Modest stereoinductions were observed, which were enhanced by using chiral dipoles. Chapter 2 is devoted to cycloadditions between several nitrile oxides and exo-glucals, one hydroximo-lactone or benzoylated -D-glucopyranosyl cyanide. Chapter 3 concerns synthetic routes toward 3-C-glucosyl-1,2,4-oxadiazoles obtained when -D-glucopyranosyl cyanides were converted into amidoximes, then reacted by O-acylation followed by thermal cyclization. The prepared glycomimics were tested as glycogen phosphorylase (GP) and protein kinases (PK) inhibitors. The best GP inhibitor was a glucosyl-spiro-isoxazoline with a 2-naphthyl substituent (Ki : 630 nM). The 5-C-glucosyl-1,2,4-oxadiazoles were better inhibors of GP as compared to their 3-C-glucosyl analogs, as indicated by their Ki (respectively 2,4 and 26,2 M for molecules with a 2-naphthyl substituent). Some compounds inhibited also various PK
Vogrig, Alexandre. "Synthèse et évaluation d'antalgiques originaux : les inhibiteurs de protéines à domaines PDZ." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2012. http://tel.archives-ouvertes.fr/tel-00803458.
Full textPrimot, Aline. "Etude de la régulation de deux protéines kinases : : GSK-3 et polo." Rennes 1, 2001. http://hal.upmc.fr/tel-01117984.
Full textSchmaltz, Gérard. "Protéines et mémoire : déficits mnésiques induits par l'administration d'un inhibiteur de la synthèse protéique." Lille 1, 1988. http://www.theses.fr/1988LIL10103.
Full textBooks on the topic "Protéines à zinc – Inhibiteurs"
(Editor), Robert A. Greenwald, Stanley Zucker (Editor), and Lorne M. Golub (Editor), eds. Inhibition of Matrix Metalloproteinases: Therapeutic Applications (Annals of the New York Academy of Sciences). New York Academy of Sciences, 1999.
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