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Genomes and Genes | Jean Jacques LacapereSummaryCountry: France Publications
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Publications
Determining membrane protein structures: still a challenge!Jean Jacques Lacapere
INSERM, U773, Centre de Recherche Biomedicale Bichat Beaujon CRB3, Faculte de Medecine X Bichat, Universite Paris 7, BP 416, F 75018, Paris, France
Trends Biochem Sci 32:259-70. 2007..Progress in this field will improve knowledge of ligand-induced activation and inhibition of membrane proteins in addition to aiding the design of membrane-protein-targeted drugs...
Peripheral-type benzodiazepine receptor: structure and function of a cholesterol-binding protein in steroid and bile acid biosynthesisJean Jacques Lacapere
Unité INSERM U410, Faculte de Medecine Xavier Bichat, 16 rue Henri Huchard, 75870 Paris Cedex 18, France
Steroids 68:569-85. 2003..Taking into account the widespread presence of PBR in many tissues, a more general role of PBR in intracellular cholesterol transport and compartmentalization might be considered...
Transconformations of the SERCA1 Ca-ATPase: a normal mode studyNathalie Reuter
U410 INSERM Faculté de médecine Xavier Bichat, Paris Cedex 18, France
Biophys J 85:2186-97. 2003..Subsequently, we discuss the potential contribution of the remaining low-frequency normal modes to the transconformations occurring within the overall calcium transport cycle...
Overexpression of translocator protein in inflammatory bowel disease: potential diagnostic and treatment valueMariano A Ostuni
Unité INSERM U773, Centre de Recherche Biomedicale Bichat Beaujon CRB3, Universite Paris 7 Denis Diderot, Paris, France
Inflamm Bowel Dis 16:1476-87. 2010..In addition, we evaluated the potential use of TSPO drug ligands in diagnosing and treating IBD...
Identification of residues within human glycoprotein VI involved in the binding to collagen: evidence for the existence of distinct binding sitesChristelle Lecut
INSERM, E348, Faculte de Medecine Xavier Bichat, Paris Cedex 18, France
J Biol Chem 279:52293-9. 2004..Site-directed mutagenesis revealed that valine 34 and leucine 36 are critical for GPVI interaction with collagen and CRP. The loop might thus be part of a collagen/CRP-binding site...
Peptide agonist docking in the N-terminal ectodomain of a class II G protein-coupled receptor, the VPAC1 receptor. Photoaffinity, NMR, and molecular modelingYossan Var Tan
INSERM, U773, Centre de Recherche Biomedicale Bichat Beaujon CRB3, BP 416, F 75018, Paris, the Université Paris 7 Denis Diderot, site Bichat, BP 416, F 75018, Paris
J Biol Chem 281:12792-8. 2006..The data provide a structural rationale to the proposed two-step activation mechanism of VPAC receptor and more generally of class II G protein-coupled receptors...
The human VPAC1 receptor: identification of the N-terminal ectodomain as a major VIP-binding site by photoaffinity labeling and 3D modelingAlain Couvineau
INSERM U773, Faculte de Medecine X Bichat, 16 rue Henri Huchard, 75018 Paris, France
Ann N Y Acad Sci 1070:205-9. 2006..A VIP-binding site was identified on the side of the structured core of the N-terminal ectodomain of the receptor...
The vasoactive intestinal peptide (VIP) alpha-Helix up to C terminus interacts with the N-terminal ectodomain of the human VIP/Pituitary adenylate cyclase-activating peptide 1 receptor: photoaffinity, molecular modeling, and dynamicsEmilie Ceraudo
Institut National de la Santé et de la Recherche Médicale Unité 773, Centre de recherche Biomedicale Bichat Beaujon, CRB3, Faculte de Medecine Xavier Bichat, 75018, Paris, France
Mol Endocrinol 22:147-55. 2008..These structural studies provide a detailed molecular understanding of the VIP-receptor interaction...
Identification of cytoplasmic domains of hVPAC1 receptor required for activation of adenylyl cyclase. Crucial role of two charged amino acids strictly conserved in class II G protein-coupled receptorsAlain Couvineau
INSERM U410 Neuroendocrinologie et Biologie Cellulaire Digestives, Institut National de la Sante et de la Recherche Medicale, Faculte de Medecine Xavier Bichat, F 75018 Paris, France
J Biol Chem 278:24759-66. 2003..Because these charged residues are absolutely conserved in class II receptors for peptides, which are all mediating AC activation, they may play a general role in coupling of class II receptors with the Gs protein...
Effect of translocator protein (18 kDa)-ligand binding on neurotransmitter-induced salivary secretion in rat submandibular glandsMariano A Ostuni
INSERM, U773, Centre de Recherche Biomedicale Bichat Beaujon CRB3, université Paris VII Denis Diderot, Paris, France
Biol Cell 100:427-39. 2008..In present study, we investigated the localization and function of TSPO in salivary glands...
Fluorometric studies of ligand-induced conformational changes of CD38Jean Jacques Lacapere
INSERM U410, Faculte de Medecine Xavier Bichat, 16 rue Henri Huchard, 75018 Paris, France
Biochim Biophys Acta 1652:17-26. 2003..Together, these data demonstrate that CD38 undergoes a reversible conformational change after substrate binding, and suggest a mechanism by which this change could alter interactions with different cell-surface partners...
Translocator protein (18 kDa) ligand PK 11195 induces transient mitochondrial Ca2+ release leading to transepithelial Cl- secretion in HT-29 human colon cancer cellsMariano A Ostuni
INSERM U773, Centre de Recherche Biomedicale Bichat Beaujon CRB3, Universite Paris 7 Denis Diderot, F 75018 Paris, France
Biol Cell 99:639-47. 2007..TSPO has been reported to be over-expressed in human colorectal tumours and cancer cell lines, but its function is not well characterized...
Chimeric Fc receptors identify ligand binding regions in human glycoprotein VIBénédicte Dumont
Institut National de la Sante et de la Recherche Medicale, INSERM, U698, Universite Paris 7, Hopital Bichat, France
J Mol Biol 361:877-87. 2006....
Bacterial overexpressed membrane proteins: an example: the TSPOJean Claude Robert
INSERM U773, Centre de Recherche Biomedicale Bichat Beaujon CRB3, Faculte de Medecine X, Bichat, Universite Paris 7, Paris, France
Methods Mol Biol 654:29-45. 2010..Small-scale production at lower cost for isotopically labelled recombinant TSPO and/or detergent is also presented...
[A new role for peripheral benzodiazepine receptor?]Mariano A Ostuni
Inserm U 683, Faculte de Medecine Xavier Bichat, 16, rue Henri Huchard, 75870 Paris Cedex 18, France
Med Sci (Paris) 21:240-2. 2005
Electron microscope tomography of native membranesGabriel Péranzi
INSERM U773, Centre de Recherche Biomedicale Bichat Beaujon CRB3, Faculte de Medecine X, Bichat, Universite Paris 7, Paris, France
Methods Mol Biol 654:221-35. 2010..In pathological conditions, other mitochondrial morphologies have been described, for instance, vesicular structures for inner boundary membrane have been observed...
Characterization of membrane protein preparations: measurement of detergent content and ligand binding after proteoliposomes reconstitutionMariano A Ostuni
INSERM U773, Centre de Recherche Biomedicale Bichat Beaujon CRB3, Faculte de Medecine X, Bichat, Universite Paris 7, Paris, France
Methods Mol Biol 654:3-18. 2010..These protocols are useful to characterize functionality and detergent content of membrane protein, both key factors for further structural studies...
Characterization of the new photoaffinity probe (Bz2-K24)-VIPYossan-Var Tan
INSERM U773, , 16 rue Henri Huchard, 75018 Paris, France
Ann N Y Acad Sci 1070:575-80. 2006..The N-terminal ectodomain of the VPAC1 receptor is therefore an affinity trap for the central part of VIP, at least between residues 6 and 24...
Genetic variation at KIT locus may predispose to melanomaAgnes Bourillon
Département de génétique, Hopital Bichat Claude Bernard, APHP, Paris, France
Pigment Cell Melanoma Res 26:88-96. 2013..Our data strongly suggest that rare KIT substitutions predispose to melanoma and that common variants at KIT locus may also impact nevus count and melanoma risk...
Mouse TSPO in a lipid environment interacting with a functionalized monolayerDavid Teboul
Universite Paris, Denis Diderot, Paris, France
Biochim Biophys Acta 1818:2791-800. 2012....
Distribution, pharmacological characterization and function of the 18 kDa translocator protein in rat small intestineMariano Anibal Ostuni
Unité INSERM U773, Centre de Recherche Biomedicale Bichat Beaujon CRB3, Universite Paris 7 Denis Diderot, BP 416, F 75018 Paris, France
Biol Cell 101:573-86. 2009..Here, we investigate the localization and functions of TSPO in the small intestine...
Subtle conformational changes between CX3CR1 genetic variants as revealed by resonance energy transfer assaysKévin Darbandi-Tehrani
Laboratoire Immunité et Infection, INSERM UMR S 945, Paris, France
FASEB J 24:4585-98. 2010....
Design and humanization of a murine scFv that blocks human platelet glycoprotein VI in vitroJulien Muzard
Museum national d histoire naturelle, CNRS FRE 3206, Paris, France
FEBS J 276:4207-22. 2009..This is a simple, efficient and straightforward method that could also be used for humanizing other antibodies...
Production and purification of large quantities of the functional N-terminal ectodomain of human VPAC1 receptorAlain Couvineau
INSERM U773, Institut National de la Sante et de la Recherche Medicale, Centre de recherche Biomedicale Bichat Beaujon, CRB3, Faculte de Medecine Xavier Bichat, 75018, Paris, France
J Mol Neurosci 36:249-53. 2008..About 5-10 mg of functional purified protein/liter of bacterial culture is currently produced. This is a crucial step to determine the structure of functional human VPAC1 receptor N-ted by nuclear magnetic resonance...
Association between endothelin receptor B nonsynonymous variants and melanoma riskNadem Soufir
Laboratoire de Biochimie hormonale et génétique, Hopital Bichat Claude Bernard, AP HP, Faculte de Medecine, Paris VII, Paris, France
J Natl Cancer Inst 97:1297-301. 2005..9, 95% CI = 1.34 to 296.2; P = .03). Our data strongly suggest that EDNRB is involved in predisposition for two different multigenic disorders, HSCR and melanoma...
