Dissertations / Theses on the topic 'Domaine SH2'
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Hardré-Liénard, Hélène. "Régulation de l'activation cellulaire par les phosphatases à domaine SH2." Paris, Muséum national d'histoire naturelle, 2001. http://www.theses.fr/2001MNHN0004.
Full textDorey, Karel. "Mecanismes moleculaires de la regulation de c-abl, une tyrosine kinase a domaine sh2 et sh3." Paris 6, 2001. http://www.theses.fr/2001PA066078.
Full textCourme, Caroline. "Conception de novo et synthèse de ligands non peptidiques potentiels du domaine SH2 de Grb2." Paris 5, 2008. http://www.theses.fr/2008PA05P605.
Full textGrb2 is an adaptor protein involved in several mitogenic signaling pathways. It consists of two SH3 domains and one SH2 domain, the latter recognizing phosphotyrosines located in the intracellular part of activated tyrosine kinase receptors. These pathways control various processes such as cell proliferation and survival and are involved in the development of breast cancer (Ras/MAPK) and kidney cancer (HGF/cMet). For over a decade, several research groups have been interested in Grb2 inhibition, which could open new perspectives in oncology. The co-crystallization of Grb2 with one of its endogenous ligands, Bcr-Abl, permitted the identification of key pharmacophores for protein recognition. Many peptidic or peptidomimetic inhibitors have been developed but very few non-peptidic inhibitors have been described until today. In this context, we have based our research program on the structure of two reference ligands: a peptide developed by the team of C. Garbay and a non-peptidic thiazole developed by Novartis, with three and two pharmacophores, respectively. We have described in this PhD the de novo design and multi-step synthesis of potential Grb2-SH2 non-peptidic inhibitors. Novel compounds based on 2-anilinopyrimidine and triazine ‘privileged’ scaffolds have been designed using the X-ray structure of Grb2-SH2 co-crystallized with the peptide developed by the team of Garbay. Furthermore, a synthesis strategy has been developed to prepare analogs of Novartis’ ligand, using the triazine scaffold via ‘click’ chemistry
Leroux, Vincent Maigret Bernard. "Modélisation d'inhibiteurs du domaine SH2 de la protéine Grb2 par dynamique moléculaire, docking et criblage virtuel." [S.l.] : [s.n.], 2006. http://www.scd.uhp-nancy.fr/docnum/SCD_T_2006_0220_LEROUX.pdf.
Full textLeroux, Vincent. "Modélisation d’inhibiteurs du domaine SH2 de la protéine Grb2 par dynamique moléculaire, docking et criblage virtuel." Nancy 1, 2006. http://docnum.univ-lorraine.fr/public/SCD_T_2006_0220_LEROUX.pdf.
Full textTHOME, MARGOT. "Le role du domaine sh2 de la tyrosine kinase p561ck dans la transduction du signal via le recepteur de l'antigene des lymphocytes t." Paris 6, 1995. http://www.theses.fr/1995PA066739.
Full textLesourne, Renaud. "Bases moléculaires et cellulaires du recrutement des phosphatases à domaine SH2 par les RFcyIIB, des récepteurs pour la portion Fc des IgG inhibiteurs de l'activation cellulaire." Paris 5, 2004. http://www.theses.fr/2004PA05N13S.
Full textFcyRIIB are negative regulators of cell activation induced by antigen receptors. The inhibition induced by these receptors depend on an intracytoplasmic motif, call ITIM. When phosphorylated, this motif is a docking site for phosphatases wich are the effectors of inhibition. In vitro, peptides containing the phosphorylated ITIM of FcyRIIB bind two types of phosphatases, the SHP and the SHIP. In vivo, phosphorylated FcyRIIB selectively recruit the SHP. This work consisted to determine the molecular and cellular bases of the selective recruitment of SHIP by FcyRIIB. It shows, 1) that the level of FcyRIIB phosphorylation reach under physiological conditions is insufficient for the recruitment of SHP-1 by these receptors, 2) that the F-actin cytoskeleton is necessary for FcyRIIB-depend inhibition because it coordinates the interactions between SHIP and FcyRIIBvia a protein called filamin
Sweeney, Michael Cameron. "Synthetic combinatorial peptide libraries and their application in decoding biological interactions." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1118952919.
Full textTitle from first page of PDF file. Document formatted into pages; contains xv, 151 p.; also includes graphics. Includes bibliographical references (p. 134-151). Available online via OhioLINK's ETD Center
Arnaud-Arnould, Mary. "Etude du rôle de la protéine adaptatrice p97/Gab2 dans la signalisation de l'interleukine-2 dans des lymphocytes T humains." Paris 11, 2003. http://www.theses.fr/2003PA112075.
Full textInterleukin-2 (IL-2) is a major growth factor for T lymphocytes which plays a critical role in cellular proliferation, differentiation and activation-induced cell death. The effects of IL-2 on its target cells are mediated through specific cell-surface receptors, which comprise three subunits α, β and γc. Only β and γc are required to trigger downstream signalling events. We were interested in early signalling events in response to IL-2 in human T lymphocytes and have studied the role of scaffolding adaptor protein Gab2. We report here that Gab2 becomes tyrosine-phosphorylated in response to IL-2 and forms multimolecular complexes with SH2 domain-containing partners such as the tyrosine phosphatase SHP-2, the lipid kinase PI3K and the adaptor protein CrkL. 8ince the role of SHP-2 in IL-2 signalling has not been fully elucidated, we investigated in details the function of Gab2/SHP-2 interaction. We have shown here that IL-2 activates SHP-2 via Gab2. Furthermore, SHP-2 appears to be required upstream of MEK in activation of the Ras/ERK pathway and in parallel to the RhoA/SRF pathway for c-fos promoter regulation and therefore cellular proliferation. Moreover, we have shown that ERK phosphorylates Gab2 on a consensus phosphorylation site, Ser 623. This phosphorylation downregulates the interaction between Gab2 and SRP-2 and consequently the activity of SHP-2, which modulates ERK and STAT5 activation. So, at the initiation of the response, Gab2-activated SHP-2 is required for ERK activation. At later time points, secondary to ERK-mediated phosphorylation of Gab2 S-623, decreased SHP-2 activity helps down-regulating ERK, and allows for STAT5 activation to persist. These results demonstrate that ERK-mediated phosphorylation of Gab2 S623 is involved in fine tuning the proliferative response of T-lymphocytes to IL-2. These results provide new insight on the control of human leukemic cell proliferation and on the critical role of Gab2 in IL-2 signal transduction
Chandler, Brendan. "The SH2 Domain-Containing Adaptor Protein SHD Reversibly Binds the CRKL-SH2 Domain and Knockdown of shdb Impairs Zebrafish Eye Development." ScholarWorks @ UVM, 2018. https://scholarworks.uvm.edu/graddis/878.
Full textTan, Pauline H. "Sequence Specificity of Src Homology-2 Domains." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1324406526.
Full textZhang, Yanyan. "Investigation of SH2 Domains: Ligand Binding, Structure and Inhibitor Design." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1259766230.
Full textFeil, Bertram. "Genexpression des Adaptorproteins Shc bei Patienten mit Juveniler Myelomonozytärer Leukämie (JMML) Charkterisierung neuer Spleissformen der SH2-Domäne von Shc /." [S.l.] : [s.n.], 1999. http://deposit.ddb.de/cgi-bin/dokserv?idn=960983627.
Full textFeil, Bertram. "Genexpression des Adaptorproteins Shc bei Patienten mit Juveniler Myelomonozytärer Leukämie (JMML) Charakterisierung neuer Spleißformen der SH2-Domäne von Shc /." [S.l. : s.n.], 2000. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB8937685.
Full textGlasgow, Shane L. Mr. "Determination of the Sequence Specificity of SH2-B1β and SH2-B3 SH2 Domains by a Combinatorial Library Approach." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1282240642.
Full textHuyer, Gregory. "Specificity of SH2 domains and protein tyrosine phosphatases." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0018/NQ44864.pdf.
Full textGiorgetti-Peraldi, Sophie. "Implication des proteines contenant des domaines sh2 et sh3 dans la transmission du signal induit par l'insuline et l'igf-i : role de la phosphatidylinositol-3-kinase et des proteines shc." Nice, 1994. http://www.theses.fr/1994NICE4726.
Full textOkoh, Michael P. "Molecular and biophysical analysis of the non-catalytic PH, TH, SH3 and SH2 domains of Bruton tyrosine kinase (Btk) protein." Helsinki : University of Helsinki, 2002. http://ethesis.helsinki.fi/julkaisut/mat/bioti/vk/okoh/.
Full textHensmann, Meike. "NMR studies of SH2 domains : structure and phosphopeptide binding." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307082.
Full textHard, Ryan Lawrence. "Sequence Specificity of BUZ, PDZ, SH2, and Tandem BRCT Domains." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1377005582.
Full textNicolas, Gaël. "Étude fonctionnelle et structurale de certains domaines des spectrines érythroïdes et non érythroïdes : site de tétramérisation et domaine SH3." Phd thesis, Université Paris-Diderot - Paris VII, 1999. http://tel.archives-ouvertes.fr/tel-00284819.
Full textPark, Junguk. "Development of neutral phosphotyrosine memetics as a protein tyrosine phosphatase inhibitor and studies on its inhibition mechanism." Columbus, Ohio : Ohio State University, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1133278132.
Full textNicolas, Gaël. "Etude fonctionnelle et structurale de certains domaines des spectrines erythroides et non erythroides : site de tetramerisation et domaine sh3." Paris 7, 1999. http://www.theses.fr/1999PA077184.
Full textKunys, Andrew Richard. "Binding Specificity of SH2 Domains Revealed by a Combinatorial Peptide Library." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1374185732.
Full textWavreille, Anne-Sophie Marie. "SRC homology 2 domain proteins binding specificity from combinatorial chemistry to cell-permeable inhibitors /." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1164738844.
Full textSinger, Alex Uriel. "Solution structure and electrostatic properties of an SH2 domain/phosphopeptide complex." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ35322.pdf.
Full textYuth, Kenneth. "Characterizing the Phosphorylation State of Tie2 using SH2 Domain Fusion Proteins." VCU Scholars Compass, 2011. http://scholarscompass.vcu.edu/etd/275.
Full textByrne, Eilis Mary. "Structural and functional analysis of SHP1, an SH2 domain containing protein tyrosine." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365723.
Full textFerrari, Giovanna Maria. "The interaction of the α2 chimaerin SH2 domain with target proteins." Thesis, University College London (University of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325678.
Full textReinholt, Brad Michael. "Inactivation of Stac3 causes skeletal muscle defects and perinatal death in mice." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/76784.
Full textMaster of Science
Phee, Hyewon. "Studies of SH2 domain-containing Inositol 5-Phosphatase in FcγRII-mediated negative signaling /." The Ohio State University, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486572165278681.
Full textGhosh, R. "Interactions of SH3 domains in adaptor proteins." Thesis, University College London (University of London), 2011. http://discovery.ucl.ac.uk/1331882/.
Full textGrantcharova, Viara. "Folding mechanism of the src SH3 domain /." Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/9231.
Full textMing-Lum, Andrew N. "The role of SH2-domain inositol 5' phosphatase in the inhibition of macrophage activation." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/41998.
Full textPauls, Samantha. "Molecular mechanisms controlling SH2 domain-containing inositol 5’phosphatase (SHIP) function in B cells." The American Association of Immunologists, Inc, 2016. http://hdl.handle.net/1993/31875.
Full textFebruary 2017
Oldenhof, John. "SH3 binding domains in the dopamine D4 receptor." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0017/NQ45764.pdf.
Full textSandoz, Jacqueline S. "Differentiation specific functions of the Bin1 SH3 domain." Thesis, University of Ottawa (Canada), 2002. http://hdl.handle.net/10393/6100.
Full textCampbell, Stephen James. "Molecular modelling of SH2 domain interactions and 'in silico' mutagenesis at the protein-protein interface." Thesis, University of Leeds, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.410627.
Full textCann, Nansi Emma. "Characterisation of #alpha#-chimaerin isoforms and #alpha#2 SH2 domain mutants expressed in neuroblastoma cells." Thesis, University of London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325534.
Full textTaylor, Jonathan D. "Exploitation of NMR in the analysis and screening of fragment ligands for an SH2 domain." Thesis, University College London (University of London), 2005. http://discovery.ucl.ac.uk/1446548/.
Full textRay, Avi Andrew. "SH3 binding domains in the dopamine D¦3 receptor." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0018/MQ45843.pdf.
Full textHeseltine, Sophie Jane. "Developing a toolbox of Affimer reagents targeting SH2 domains to study protein-protein interactions in disease." Thesis, University of Leeds, 2019. http://etheses.whiterose.ac.uk/22642/.
Full textQuraishi, Omar. "Expression, purification, and NRM characterization of the N-terminal SH2 domain of protein tyrosine phosphatase 1C." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=55525.
Full textBroadbridge, Robert James. "Design and synthesis of novel inhibitors to the SH2 domain of the protein tyrosine kinase p56lck." Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494712.
Full textShedden, Elizabeth. "Interactions of ADAM15 splice variants with SH3 domain proteins." Thesis, University of East Anglia, 2015. https://ueaeprints.uea.ac.uk/53418/.
Full textUlmer, Tobias Sebastian. "Nuclear magnetic resonance spectroscopic studies of the intracellular tails of integrin #alpha#IIb#beta#3, the Fyn kinase SH3-SH2 domain pair and the perdeuterated second type 2 module of fibronectin." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393367.
Full textDOUANGAMATH, ALICE. "Etudes structurales des domaines sh3 presentant des modes d'interaction inconventionnels." Paris 11, 2001. http://www.theses.fr/2001PA112143.
Full textHuynh, Nhat Huu. "Characterization of the RRM2 domain of splicing factor ASF/SF2." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2008. http://wwwlib.umi.com/cr/ucsd/fullcit?p1457389.
Full textTitle from first page of PDF file (viewed November 13, 2008). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 64-69).
Shi, Xiaoli. "Etude de la spécificité des interactions protéine-protéine : application au complexe Alix-domaine SH3 des Src Kinases." Thesis, Aix-Marseille 1, 2011. http://www.theses.fr/2011AIX10024/document.
Full textSrc homology (SH) 3 domains is one of the most wide-spreaded protein modules found in nature. They mediate both inter- and intra-molecular protein-protein interactions (PPIs) through the formation and dissociation of multi-protein complexes. These SH3-mediated interactions are responsible for signal transduction, cytoskeleton organization and other cellular processes. The nef gene of Human immunodeficiency virus (HIV-1) encodes the HIV-1 Nef protein, which is important for optimal virus replication and development of AIDS (acquired immunize deficiency syndrome) in HIV-1 infected persons. Previous studies show that the HIV-1 Nef protein uses a “tertiary” binding mode to achieve high affinity and selectivity toward SH3 domains of Src-family kinases (SFKs). Whether this strategy of ‘tertiary’ binding mode of SH3 domains can be found in human cellular proteins, besides HIV-1 Nef, is an important question in the specificity of the HIV-1 Nef protein as an anti-HIV target. We identified Alix (ALG-2 [apoptosis-linked gene 2]-interacting protein X) as a novel protein interacting with Hemopoietic cell kinase (Hck) SH3 domain. Alix has similar selectivity towards SH3 domains of SFKs as the HIV-1 Nef. We have combined biophysical and structural biology analysis, including ITC (isothermal titration calorimetry), SPR (surface Plasmon resonance), GST (glutathione S-transferase) pull-down, interferometry, HSQC (heteronuclear single quantum coherence) and SAXS (small-angle X-ray scattering) to explore the characteristics of Alix-SH3 recognition mode. This study shows that Alix as a unique cellular protein, which is structurally different but functionally similar in recognizing HIV-1 Nef. The structural information of the Alix-Hck association facilitates the understanding of how Hck and Alix assist viral budding and cell surface receptor regulation
Pamonsinlapatham, Perayot. "Etudes de l'interaction RasGAP/CAPNS1 et développement d'inhibiteurs du domaine SH3 de RasGAP." Paris 5, 2008. http://www.theses.fr/2008PA05P627.
Full textRegardless of its activity as guanine exchange factor (GEF), Ras disabling form GDP, RasGAP acts as a major effector of Ras in tumor cells involving new signaling pathways. The innovative approach to validate the inhibition of molecular interactions of the protein RasGAP is the selection of peptidic aptamers, which we have developed against its SH3 domain. We used a combinatorial approach of the peptide aptamer to select a collection of specific peptides against the RasGAP-SH3 domain. We have mapped the binding sites of aptamer in the presence of a SH3-RasGAP mutation system in yeast double hybrid (AptaPrint). We studied the biological effect of the RG 27 aptamer, which target a pocket bounded by residues D295/7, L313 and W317. This aptamer has anti-proliferative and anti-apoptotic effect which is not dependent on caspases in tumor cells. RG27 inhibits the RasGAP and Aurora B interactions. In the second part, we described SH3 domain of RasGAP as a new target and studied its interaction with the small common subunit ubiquitous calpains (Capns1). This small sub-unit is a partner in the SH3 domain of RasGAP. The interaction between RasGAP and Capns1 is highlighted by co-immunoprecipitation and RasGAP pull-down and confocal microscopy. We have precisely studied the migration of PC3 cells (Raswt) and PC3-RasV12, which expresses a stable oncogenic Ras that is mostly found in human cancers. The SH3-RasGAP/Capns1 complex is found increased by a factor of 2 in cells PC3-RasV12 protrusions in contrast to parental PC3. In this complex, siRNA RasGAP disrupts cell migration and apoptosis RasV12 harboring cells, indicating that RasGAP acts as effector of Ras