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Tài liệu Báo cáo khoa học: The endogenous retinoid metabolite S-4-oxo-9-cis-13,14-dihydro-retinoic acid activates retinoic acid receptor signalling both in vitro and in vivo pdf

Tài liệu Báo cáo khoa học: The endogenous retinoid metabolite S-4-oxo-9-cis-13,14-dihydro-retinoic acid activates retinoic acid receptor signalling both in vitro and in vivo pdf

Tài liệu Báo cáo khoa học: The endogenous retinoid metabolite S-4-oxo-9-cis-13,14-dihydro-retinoic acid activates retinoic acid receptor signalling both in vitro and in vivo pdf

... compilation ª 2009 FEBS 3059 The endogenous retinoid metabolite S-4-oxo-9-cis-13,14-dihydro -retinoic acid activates retinoic acid receptor signalling both in vitro and in vivo Jan P. Schuchardt1, ... Identification of 9,13-dicis -retinoic acid as a major plasma metabolite of 9-cis -retinoic acid and limited transfer of 9-cis -retinoic acid and 9,13-dicis- retinoic acid to the mouse and rat embryos. DrugMetab ... RARb in the samemanner as does all-trans -retinoic acid, suggesting that S-4o9cDH-RA isindeed an endogenous ligand for these receptors. These in vitro resultswere corroborated in an in vivo...
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Tài liệu Báo cáo khoa học: The pro-form of BMP-2 interferes with BMP-2 signalling by competing with BMP-2 for IA receptor binding pptx

Tài liệu Báo cáo khoa học: The pro-form of BMP-2 interferes with BMP-2 signalling by competing with BMP-2 for IA receptor binding pptx

... whichrevealed that the BMPR-IA binding site of the relatedBMP-7 largely coincides with the noggin-binding area[32,42]. Thus, the proBMP-2 binding to noggindetected here indirectly confirms the interaction ... specifically to the ECD of BMPR-IA.Furthermore, the results indicate that both proteinsinteract with the same epitope on the ECD becauseproBMP-2 binding can be inhibited by BMP-2.To assess binding of ... areabound by the antagonist noggin [32], we attemptedto verify these findings by testing the binding ofproBMP-2 to noggin. Biotinylated noggin was immo-bilized on streptavidin-coated chips, and proBMP-2...
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Tài liệu Báo cáo khoa học: The tandemly repeated domains of a b-propeller phytase act synergistically to increase catalytic efficiency doc

Tài liệu Báo cáo khoa học: The tandemly repeated domains of a b-propeller phytase act synergistically to increase catalytic efficiency doc

... of the res-idues involved in phosphate and calcium binding areconserved in the PhyH-DII sequence, whereas onlyone phosphate-binding residue is conserved in the PhyH-DI sequence (Fig. S1). There ... (Fig. 3A,B). The presence of Ca2+increased the thermal stability of PhyH and PhyH-DII.After incubation at 60 °C for 30 min, both enzymesretained > 70% of their initial activity in the presenceof ... of the enzyme [12,13]. BPP prefers the hydrolysis of every second phosphate over adjacentones, and degrades InsP6gradually into InsP5, InsP4, and the final product – Ins(2,4,6)P3 and Ins(1,3,5)P3–via...
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Tài liệu Báo cáo khoa học: The Arabidopsis protein kinase Pto-interacting 1-4 is a common target of the oxidative signal-inducible 1 and mitogen-activated protein kinases docx

Tài liệu Báo cáo khoa học: The Arabidopsis protein kinase Pto-interacting 1-4 is a common target of the oxidative signal-inducible 1 and mitogen-activated protein kinases docx

... be involved in various signalling pathways, including blue light signalling [10] and auxin signalling [11–13]. The majority of group VIII AGCkinases are phosphorylated and activated by anotherAGC ... co-immunoprecipitationexperiments. We then examined how both proteinsinteract with MPK3 and MPK6 proteins.ResultsAGC kinases interact with PTI1 kinases in vitro To isolate other components of the OXI1 (AGC2-1) signalling pathway, ... of the input was loaded on to the gel and represents the amount of HIS-tagged proteins used for the assay. The in vitro binding assays were repeated twice usingrecombinant proteins prepared independently...
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Tài liệu Báo cáo khoa học: The central role of CDE/CHR promoter elements in the regulation of cell cycle-dependent gene transcription pdf

Tài liệu Báo cáo khoa học: The central role of CDE/CHR promoter elements in the regulation of cell cycle-dependent gene transcription pdf

... E2F4 ⁄ 5 and DP1 ⁄ 2 and a module containing the MuvB proteins Lin-37, Lin-52, Lin-54 and chromatin-associated Lin-9 and Lin-53 ⁄ RBBP4 ⁄ RbAp48.Furthermore, A-Myb and B-Myb were present in immunoprecipitations ... confirmed by Lin-54 bind-ing to the CHR, cooperating with E2F4 binding to the CDE in EMSAs in vitro [86].ChIP experiments on the Cdc2 gene also providedinsights into the association of other cell ... -2 and -3. These acti-vating E2Fs cooperate with NF-Y proteins binding toCCAAT-boxes and with Myb proteins associating witha distal Myb site in activating the Cdc2 promoter.Binding of the...
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Tài liệu Báo cáo khoa học: The ubiquitin ligase Itch mediates the antiapoptotic activity of epidermal growth factor by promoting the ubiquitylation and degradation of the truncated C-terminal portion of Bid ppt

Tài liệu Báo cáo khoa học: The ubiquitin ligase Itch mediates the antiapoptotic activity of epidermal growth factor by promoting the ubiquitylation and degradation of the truncated C-terminal portion of Bid ppt

... [12]. Maintaining the balancebetween cell survival and apoptosis is critical in the maintenance of a healthy organism, and tipping the equilibrium in one or another direction results in eitherKeywordsapoptosis; ... produced(Fig. 1D, lane 2). In the presence of lactacystin, a sig-nificant increase in the amount of tBid–GFP present in the extract, both in control conditions and in the pres-ence of FLAG–Itch, ... reagents and the recombinant humanTRAIL ⁄ APO 2 ligand were purchased from Invitrogen and Feldan Bio (St-Laurent, QC, Canada), respectively. The caspase 3 substrate (Ac-DEVD-pNA) and the inhibitorsubstrate...
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Tài liệu Báo cáo khoa học: The plasminogen activator inhibitor 2 transcript is destabilized via a multi-component 3¢ UTR localized adenylate and uridylate-rich instability element in an analogous manner to cytokines and oncogenes pdf

Tài liệu Báo cáo khoa học: The plasminogen activator inhibitor 2 transcript is destabilized via a multi-component 3¢ UTR localized adenylate and uridylate-rich instability element in an analogous manner to cytokines and oncogenes pdf

... were 231 min for the b-globinPAI)2wild-type transcript, 204 min f or the b-globinARE I-MUT,193 min for the b-globinARE III-MUT and 224 minfor the b-globinARE I+III-MUT. These experiments ... or by northern analysis (10 lgoftotal RNA) using the intron spanning32P-labelled globin and GAPDH probes described above. The b-globin and GAPDH mRNA band intensities were visualized and quantified ... degradation of the mRNA body [28,36,37].A number of in vitro studies have also reported that both AREs and ARE-binding proteins can interact with the exosome, which then degrades the body of the transcript...
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Tài liệu Báo cáo khoa học: The splicing factor ASF/SF2 is associated with TIA-1-related/ TIA-1-containing ribonucleoproteic complexes and contributes to post-transcriptional repression of gene expression doc

Tài liệu Báo cáo khoa học: The splicing factor ASF/SF2 is associated with TIA-1-related/ TIA-1-containing ribonucleoproteic complexes and contributes to post-transcriptional repression of gene expression doc

... specific interactionsbetween cis-acting elements mainly localized in the UTRs of the transcript and the trans-acting factors(RNA-binding proteins and noncoding regulatoryRNAs) that bind to these ... post-transcriptionalregulation. Therefore, the results obtained in the pres-ent study support the recent findings showing thatmembers of the SR proteins family, includingASF ⁄ SF2 and SRp20, have important roles in the cytoplasmic ... remodelling: the heterogenous nuclear ribonu-cleoprotein (hnRNP) family, the DEAD ⁄ H box RNAhelicases and the serine-arginine (SR) proteins. Wethen investigated the subcellular localization of theseproteins...
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Tài liệu Báo cáo khoa học: The two Caenorhabditis elegans metallothioneins (CeMT-1 and CeMT-2) discriminate between essential zinc and toxic cadmium docx

Tài liệu Báo cáo khoa học: The two Caenorhabditis elegans metallothioneins (CeMT-1 and CeMT-2) discriminate between essential zinc and toxic cadmium docx

... expressed in vitro in the presence of either Zn(II) or Cd(II). Metal binding stoichiometries and affinities were determined by ESI-MS and NMR, respectively. Both isoformshad equal zinc binding ability, ... to the wild-typestrain. Both CeMT-1 and CeMT-2 are important in maintaining physiological zinc levelsUnder control (non-metal-supplemented) conditions in the wild-type (N2), zinc was maintained ... Carlsbad,CA, USA) and positive clones were identified by PCRscreening. The identity of the insert was confirmed bysequencing both strands of the cloned inserts. In vitro protein expression and purificationPlasmids...
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Tài liệu Báo cáo khoa học: The multicopper oxidase from the archaeon Pyrobaculum aerophilum shows nitrous oxide reductase activity docx

Tài liệu Báo cáo khoa học: The multicopper oxidase from the archaeon Pyrobaculum aerophilum shows nitrous oxide reductase activity docx

... (Fig. 1). The MCO sequencemotif pattern, which contains the four elements thattogether form the copper-binding sites in the protein, isconserved in McoP, including a Met corresponding to the axial ... rapid and sensitive method for the quantification of microgram quantities of proteinutilizing the principle of protein-dye binding. AnalBiochem 72, 248–254.Supporting information The following ... extremophiles and thermophiles, in par-ticular, are promising for industrial applications, asthey have high intrinsic thermal and chemical stability. The search for MCOs, among the genomes of hyper-thermophilic...
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