proteins metallothioneins and multixenobiotic resistance

Báo cáo sinh học: " Reduced expression of Jak-1 and Tyk-2 proteins leads to interferon resistance in Hepatitis C virus " docx

Báo cáo sinh học: " Reduced expression of Jak-1 and Tyk-2 proteins leads to interferon resistance in Hepatitis C virus " docx

... Janus kinase (Jak-1) and tyrosine kinase (Tyk-2) and signal transducer and activator of transcription (STAT1 and STAT2) proteins The Jak1 and Tyk-2 phosphorylate the STAT proteins which either ... tyrosine kinase (TYK2) and signal transducer and activator of transcription (STAT1 and STAT2) proteins The JAKs phosphorylate STAT proteins that either homo-or heterodimerize and translocate to the ... of Stat and Stat proteins between sensitive and resistant cells Interferon treatment leads to tyrosine phosphorylation of Stat and Stat protein followed by heterodimerization of Stat1 and Stat...

Ngày tải lên: 18/06/2014, 18:20

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 Báo cáo y học: " Carotid Intima-media thickness in childhood and adolescent obesity relations to abdominal obesity, high triglyceride level and insulin resistance"

Báo cáo y học: " Carotid Intima-media thickness in childhood and adolescent obesity relations to abdominal obesity, high triglyceride level and insulin resistance"

... insulin resistance and dyslipidemia Insulin resistance is a common phenomenon and plays an important role in the cardio-cerebrovascular disease in obese population [17,18] In our study, the obese and ... exceptional patient care and organization This work was supported, in part, by grant of Zhejiang Science and Technology Agency (2008C03002-1) and Zhejiang Major Medical and Health Science and Technology ... atherosclerosis begins in obese children and adolescents, and this tendency is intensified in the presence of MetS Obesity especially abdominal obesity, high TG level and insulin resistance are strong predictors...

Ngày tải lên: 25/10/2012, 11:40

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Báo cáo y học: "Advances in Molecular Diagnosis of HBV Infection and Drug Resistance"

Báo cáo y học: "Advances in Molecular Diagnosis of HBV Infection and Drug Resistance"

... Not well standardized Can indicate and confirm emergence of antiviral resistance Wide variation in test sensitivities Direct marker and gold standard for HBV viral replication No gold standard among ... United States, and Central Africa; B and C predominate in Asia; D is associated with southern Europe, the Middle East, and India; E is uniquely African; and F is found in Central and South America ... affected, and will rise with a variable delay with respect to the onset and progression of resistance (Figure 4) Therefore, the combined use of a genotyping assay for polymerase mutant detection and...

Ngày tải lên: 03/11/2012, 09:41

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Tài liệu Báo cáo khoa học: Oligomerization of the Mg2+-transport proteins Alr1p and Alr2p in yeast plasma membrane pptx

Tài liệu Báo cáo khoa học: Oligomerization of the Mg2+-transport proteins Alr1p and Alr2p in yeast plasma membrane pptx

... encodes two closely related proteins of the CorA superfamily, Alr1p and Oligomerization of Alr1p and Alr2p Alr2p Overall sequence identity of these two proteins is 69% and exceeds 90% in the C-terminal ... Oligomerization of Alr1p and Alr2p Fig Alignment of transmembrane parts of CorA-related proteins and mutational alterations Alr1p, and Alr2p The TM domain sequences and flanking sequences shown ... transformed with YCpALR1-myc and YEp351-HA (lane 1), YCpALR1-myc and YEpALR2-HA (lane 2), and YCp211-myc and YEpALR2-HA (lane 3) Total cell extracts were prepared, and equal amounts of protein...

Ngày tải lên: 19/02/2014, 06:20

14 607 0
Tài liệu Báo cáo khoa học: Effect of sequence polymorphism and drug resistance on two HIV-1 Gag processing sites pdf

Tài liệu Báo cáo khoa học: Effect of sequence polymorphism and drug resistance on two HIV-1 Gag processing sites pdf

... PR, and the respective S4 and S3 binding sites could accept a variety of residues [33,34,46] When compared to peptides having the same natural sequence background (peptides and 1, and 2, and ... occurring mutations found as sequence polymorphisms and in drug resistance, with wild-type and five drug-resistant mutant PRs: M46L, V82A, I84V and L90M mutations that appeared together with the ... it interacts with Arg8 and Glu21 through water molecules and makes hydrophobic interactions with Phe53, Pro81 and Val82 [26] P3 Arg could interact favorably with Asp29 and P1 Asn, which may contribute...

Ngày tải lên: 21/02/2014, 03:20

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Báo cáo " Imperialism of communicative language teaching and possible resistance against it from teachers in Vietnam as an English foreign languages context " doc

Báo cáo " Imperialism of communicative language teaching and possible resistance against it from teachers in Vietnam as an English foreign languages context " doc

... “[t]he dominance of English is asserted and maintained by the establishment and continuous reconstitution of structural and cultural inequalities between English and other languages” To illustrate ... schools and universities are attempting to employ CLT into syllabus design, examinations, and teaching However, these attempts face resistance from language policy-makers, researchers, teachers and ... 1997) requires teachers and students to build a community of learning and teaching where there is no fear of failure and where sharing is for common interests - Teachers and students Khoa Anh Viet...

Ngày tải lên: 05/03/2014, 12:20

8 737 2
Xpert MTB/RIF test for detection of pulmonary tuberculosis and rifampicin resistance (Protocol) pptx

Xpert MTB/RIF test for detection of pulmonary tuberculosis and rifampicin resistance (Protocol) pptx

... written by KRS and MP, with input from HS and ND The search strategy was written by LAK HS and KRS will review articles for relevance, and extract and analyse data HS, MP, ND, CCB, and KRS will ... physical unit and uses the same sputum sample to provide results for both detection of M tuberculosis and rifampicin resistance One cannot switch rifampicin resistance testing off and only TB testing, ... been symptomatic for months, leading to increased illness and mortality, secondary drug resistance, and ongoing transmission Simple and rapid diagnostic tests at the point of treatment in high-TB...

Ngày tải lên: 06/03/2014, 04:20

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Báo cáo khoa học: Slc12a2 is a direct target of two closely related homeobox proteins, Six1 and Six4 docx

Báo cáo khoa học: Slc12a2 is a direct target of two closely related homeobox proteins, Six1 and Six4 docx

... by Six1 and a strong repression by Six4 in a dose-dependent manner 3027 Target genes of Six1 and Six4 Z-i Ando et al Table A partial list of potential target genes regulated by Six1 and ⁄ or ... primer in the presence of aminoallyl dUTP and single-stranded cDNAs were coupled with Cy3 (VP16–Six1wt and VP16–Six4wt infected samples) or Cy5 (VP16–Six1W171R and VP16–Six4W263R samples) dyes Hybridization ... promoter by Six1 and Six4 (B) Regulation of Clcn5 promoter by Six1 and Six4 (C) Trans-activation of Slc12a2 promoter by Six1 and Six4 (D) Transactivation of myogenin promoter by Six1 and Six4 (E)...

Ngày tải lên: 07/03/2014, 17:20

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Báo cáo khoa học: Analysis of the transcarbamoylation-dehydration reaction catalyzed by the hydrogenase maturation proteins HypF and HypE pot

Báo cáo khoa học: Analysis of the transcarbamoylation-dehydration reaction catalyzed by the hydrogenase maturation proteins HypF and HypE pot

... R-250 stained SDS gel Lane 1: molecular mass standard; lanes and 3: wild-type HypE protein; lanes and 5: HypE[D83N]; lanes and 7: HypED In lanes 2, and proteins (12 lM) were preincubated with 50 ... wild-type and mutant HypE proteins in the transcarbamoylation/dehydration reaction Four micromoles of wild-type HypE protein (lanes and 2), of HypED (lanes and 4), HypE[D83N] (lanes and 6) and HypE[D83N ... blue and heated to 56 °C for 10 (C) Instability of HypE-thiocarboxamide in dependence on the pH HypE (6 lM) and HypF (1 lM) proteins were mixed with [14C]CP (100 lM) and ADP-CH2-P (100 lM) and...

Ngày tải lên: 16/03/2014, 18:20

9 539 0
Báo cáo khoa học: Molecular characterization of secretory proteins Rv3619c and Rv3620c fromMycobacterium tuberculosisH37Rv docx

Báo cáo khoa học: Molecular characterization of secretory proteins Rv3619c and Rv3620c fromMycobacterium tuberculosisH37Rv docx

... catabolism and regulation of signaling molecules [3] Rv3618 and Rv3623 encode a probable monooxygenase and lipoprotein, respectively Rv3619c and Rv3620c are secretory proteins of 94 and 98 amino ... Rv3623) Rv3619c and Rv3620c are the ESAT-6 ⁄ CFP-10 family members ORFs Rv3621c and Rv3622c belong to the family encoding proteins containing sequence motif Pro-Pro-Glu (PPE) and ProGlu (PE), ... against mycobacteria ESAT-6 and CFP-10 are the most widely studied proteins of this family ESAT-6 and CFP-10 activate the Th1 response which is marked by T-cell proliferation and interferon (IFN)-c...

Ngày tải lên: 22/03/2014, 16:21

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Báo cáo khoa học: Two novel Mesocestoides vogae fatty acid binding proteins – functional and evolutionary implications doc

Báo cáo khoa học: Two novel Mesocestoides vogae fatty acid binding proteins – functional and evolutionary implications doc

... recognized these proteins (Fig 5B) MALDI-TOF analysis of each electro-eluted band (I and II) revealed peptide mass fingerprints in accordance with predicted tryptic digestions of MvFABPb and MvFABPa, ... vogae proteins Future work is also required to elucidate the putative ligands of MvFABPs, their equilibrium dissociation constants and pH dependence, 3D structure, subcellular localization, and ... mica, Facultad de Ciencias, UdelaR, Montevideo, Uruguay) and Dr I Noguera (Department of Cell Biology and Kaplan Cancer Center, and the Raymond and Beverly Sackler Foundation Laboratory, New York...

Ngày tải lên: 23/03/2014, 07:20

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Báo cáo khoa học: Extraenzymatic functions of the dipeptidyl peptidase IV-related proteins DP8 and DP9 in cell adhesion, migration and apoptosis doc

Báo cáo khoa học: Extraenzymatic functions of the dipeptidyl peptidase IV-related proteins DP8 and DP9 in cell adhesion, migration and apoptosis doc

... relatedness, DP8 and DP9 exert these differences in their cellular effects Therefore, these two proteins are likely to have different functions and ligands These data indicate that DP8 and DP9 have ... Kable and Devanshi Seth for advice This work was supported by National Health and Medical Research Council of Australia project grant 142607 to GWM and MDG and PhD scholarships to DMTY and XMW ... dephosphorylating p38 MAP kinase and b1-integrin [29], so the effects of DP8 and DP9 on p38, b1-integrin and DDR1 phosphorylation require examination Changes in TIMP2 and b-catenin expression may...

Ngày tải lên: 23/03/2014, 11:20

14 280 0
Báo cáo khoa học: Caspase-2 is resistant to inhibition by inhibitor of apoptosis proteins (IAPs) and can activate caspase-7 pot

Báo cáo khoa học: Caspase-2 is resistant to inhibition by inhibitor of apoptosis proteins (IAPs) and can activate caspase-7 pot

... an adaptor molecule (RAIDD ⁄ CRADD) and intermediaries (RIP, TRADD, FADD and TRAFs) [18,19] However, this has not been directly demonstrated and death ligand-mediated apoptosis proceeds normally ... 5B and C lanes and 7) Two positive controls were used for caspase-7 activation First, caspase-7D1)53, which lacks the prodomain region and is constitutively active in mammalian cells [34] and ... processing and enzymatic activity Previous work had illustrated that human procaspase-2 can be processed at residue D152 to remove its prodomain, and at residues D316 and D330 to dissociate the large and...

Ngày tải lên: 23/03/2014, 13:20

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Báo cáo khoa học: Role of the plasma membrane leaflets in drug uptake and multidrug resistance ppt

Báo cáo khoa học: Role of the plasma membrane leaflets in drug uptake and multidrug resistance ppt

... membrane is unstirred and dense with proteins Moreover, TMRM and anticancer drugs, such as anthracyclines, are positively charged and therefore bind to acidic groups in proteins and membranes Thus, ... leaflet in drug uptake and resistance A B D C Fig TMA-DPH fluorescence quenching by TMRM K562 cells were incubated in the presence of glucose and sodium azide (10 mM) at 37 °C and their fluorescence ... well as anionic drugs and dyes, but also neutral ⁄ basic amphipathic drugs and even oxyanions Previously, it has been assumed that the oxyanions arsenite and antimonite and the neutral ⁄ basic...

Ngày tải lên: 29/03/2014, 08:20

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Báo cáo khoa học: Functional dissection of two Arabidopsis PsbO proteins PsbO1 and PsbO2 doc

Báo cáo khoa học: Functional dissection of two Arabidopsis PsbO proteins PsbO1 and PsbO2 doc

... PSII proteins, PsbA and PsbP, showed that the amounts of 0.9 wild-type 0.8 0.7 Fv/Fm (psbo1), as PsbO proteins in Arabidopsis are encoded by two genes, psbO1 and psbO2 [11] On the other hand, ... algae and cyanobacteria suggests a difference in the relationship between the extrinsic proteins Green algae and higher plants contain PsbP and PsbQ, whereas cyanobacteria contain PsbV and PsbU ... reconstituted with PsbO1 and PsbO2 and the binding affinity for urea-washed PSII of PsbO1 and PsbO2 (A) The relative oxygen-evolving activity of urea-washed PSII reconstituted with PsbO1 (r) and PsbO2 (h)...

Ngày tải lên: 30/03/2014, 16:20

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Báo cáo khoa học: Molecular basis for substrate recognition and drug ˚ resistance from 1.1 to 1.6 A resolution crystal structures of HIV-1 protease mutants with substrate analogs pptx

Báo cáo khoa học: Molecular basis for substrate recognition and drug ˚ resistance from 1.1 to 1.6 A resolution crystal structures of HIV-1 protease mutants with substrate analogs pptx

... residues with longer and flexible side chains, such as Lys The number of alternate conformations was in the Comparison of ligand bound and unliganded PR structures [26,27] and theoretical studies ... p2-NC Ile 84 structures and mediate the interactions between the PR and the inhibitor One conserved water molecules lies between the flap region (Ile50 and 50¢) and P2 and P1¢ of the inhibitor, ... been studied with PR and several mutants [21] CA-p2 and p2-NC were the two shortest peptides, extending from P3 to P4¢ and from P3 to P3¢, respectively The analogs NC-p1 and p1-p6 extended from...

Ngày tải lên: 30/03/2014, 20:20

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hplc of peptides and proteins, methods and protocols

hplc of peptides and proteins, methods and protocols

... the retention times of two retained solutes, and 2, are given by tr,1 and tr,2 The corresponding peakwidths for solutes and are denoted σ,1 and σ,2, and together with the retention times are they ... stationary and mobile phases, respectively, and Vs and Vm are the corresponding volumes of the stationary and mobile phases Since the ratio [X]s / [X]m is the equilibrium distribution coefficient K and ... material The type of n-alkyl ligand significantly influences the retention of peptides and proteins and can therefore be used to manipulate the selectivity of peptide and protein separations Although...

Ngày tải lên: 11/04/2014, 09:46

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Báo cáo hóa học: " Localization studies of two white spot syndrome virus structural proteins VP51 and VP76" docx

Báo cáo hóa học: " Localization studies of two white spot syndrome virus structural proteins VP51 and VP76" docx

... VP51 and VP76, and all experimental evidence indicated that VP51 and VP76 are viral capsid proteins http://www.virologyj.com/content/3/1/76 Results and discussion Identification of VP51 and VP76 ... of TM buffer Expression and purification of proteins VP51 and VP76 are the products of ORF wsv308 and wsv220 of WSSV (GeneBank accession no AF332093) and composed of 466 and 674 amino acid residues, ... multiple approaches, and make a definite conclusion, i.e VP51 and VP76 reside in the viral nucleocapsid, and are viral minor capsid proteins The results may facilitate a better understanding of the...

Ngày tải lên: 20/06/2014, 01:20

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