... comparison of the unfolding transitions induced by temperature Cytotoxicity assays MALDI- TOF MS All mass spectra were acquired on a Bruker ULTRAFLEX ` TOFmass spectrometer, at the Servei de Proteomica ... (M23L) by the addition of AAP, as described in the Materials and methods Completion of the hydrolysis was confirmed by the disappearance of the (Met1)-ONC (M23L) signal in the MALDI- TOFmass spectra ... methods for the production and purification of the enzyme [13] The molecular mass of each purified product, as measured by MALDI- TOF MS, was 11 947.87±2 for (Met1)-ONC (M23L) and 11 838.21±2 for rONC,...
... (57.5) 1-3 polymorphisms tested 13 (48) 14 (52) > polymorphisms tested (7) 25 (93) 1-3 polymorphisms tested (19) 17 (81) > polymorphisms tested (24) 19 (76) 1-3 polymorphisms tested > polymorphisms ... according to number of polymorphisms tested Polymorphisms No of studies (%) P-value Positive outcome (%) Negative outcome (%) 1-3 polymorphisms tested 29 (74) 10 (26) > polymorphisms tested 17 ... studies analysing a determined polymorphisms between the studies examining it within 1-3 polymorphisms versus studies examining the same polymorphism among more than polymorphism Since the distribution...
... inhibited by 50% and the 2G allele by 50–70% [15] Thus, the effects of decreasing Fra-1 expression mimic the effects of inhibition by PD098059, and the reduction in Fra-1 expression by the addition ... activity by fibroblast growth factor Eur J Biochem 247, 503–510 20 Rutter, J.L., Mitchell, T.I., Buttice, G., Meyers, J., Gusella, J.F., Ozelius, L.J & Brinckerhoff, C.E (1998) A singlenucleotidepolymorphism ... promoter polymorphism 1G/2G is correlated with colorectal cancer invasiveness Clin Cancer Res 7, 2344–2346 Zhu, Y., Spitz, M.R., Lei, L., Mills, G.B & Wu, X (2001) A singlenucleotide polymorphism...
... various enzymes with mononucleotides of d(pC)n, d(pT)n, d(pG)n and d(pA)n are additive and elongation of these d(pN)n by one nucleotide unit results in an increase in the affinity by a factor f of 1.4–2.0 ... values were determined by extrapolation of lg dependencies to n ¼ or n ¼ 1, respectively (Fig 2; Table 1) Interestingly, the affinity of a single internucleoside phosphate or a single d(pN) unit of ... nonspecific oligonucleotides Bioorg Khim (Mosc) 29, 249–262 Bianco PR & Weinstock GM (1996) Interaction of the RecA protein of Escherichia coli with single- stranded oligodeoxyribonucleotides Nucleic...
... N.E Jacobsen, B.N Timmermann, D.R Gang, Analysis of curcuminoids by positive and negative electrospray ionization and tandem mass spectrometry, Rapid Commun Mass Spectrom 20 (2006) 1001–1012 [18] ... Fig The results by LC/UV and LC/MS/MS indicate that the major form of curcumin in water/acetonitrile is enol form Conclusion Our experiment with a PDA detector and a QIT /TOF mass spectrometer ... of enol In negative detection, mass spectra (Fig 3b and d) were similar to those without use of deuterium (Fig 2b and d) This indicates that major product ions by negative MS/MS not contain exchangeable...
... C1858T single- nucleotidepolymorphism with rheumatoid arthritis phenotypes in an inception cohort Arthritis Rheum 2005, 52:2948-2950 Viken MK, Amundsen SS, Kvien TK, Boberg KM, Gilboe IM, Lilleby ... performed by oligonucleotide hybridization of the PCR products to probes specific for DRB1*01 through *18 Hybridization was performed in a dot-blot format with digoxigenin-11-ddUTP-labeled oligonucleotides ... Chokkalingam AP, Alexander HC, Ardlie KG, Huang Q, Smith AM, Spoerke JM, et al.: A missense single- nucleotidepolymorphism in a gene encoding a protein tyrosine phosphatase (PTPN22) is associated with...
... genotype frequencies and number (in brackets) Haplotype analysis reveals an associated haplotype in NCF4 caused by the rs729749 singlenucleotidepolymorphism We wished to estimate haplotypes and haplotype ... could be an important regulator of the immune system Materials and methods Selection of singlenucleotidepolymorphism The HapMap genome browser [32] was used as the primary source for selection ... stratified analysis, the Bonferroni correction method was applied, as implemented on the simple interactive statistical analysis website [35] We also performed logistic regression analysis for...
... disorder caused by GDF5 mutation [16,17], and some patients with type C brachydactyly also present with dysplasia of hip joints [18,19] Recently, a functional singlenucleotidepolymorphism (SNP) ... differentiate factor 5; SNP = singlenucleotidepolymorphism Page of (page number not for citation purposes) Arthritis Research & Therapy Vol 10 No Dai et al Table Association of C/T polymorphism of the ... Control CDH = congenital dysplasia of the hip; GDF5 = growth differentiate factor 5; SNP = singlenucleotidepolymorphism may be due to the limited sample number, although a large sex bias of CDH...
... GC, Ogawa S: A robust algorithm for copy number detection using high-density oligonucleotide singlenucleotidepolymorphism genotyping arrays Cancer Res 2005, 65:6071-6079 Komura D, Shen F, Ishikawa ... Hudson TJ, Johnson BE, Lander ES, Meyerson M: Loss-of-heterozygosity analysis of small-cell lung carcinomas using single- nucleotidepolymorphism arrays Nat Biotechnol 2000, 18:1001-1005 Zhao X, Li ... genomewide detection of allelic composition in nonpaired, primary tumor specimens by use of affymetrix single- nucleotide- polymorphism genotyping microarrays Am J Hum Genet 2007, 81:114-126 28 Yau C,...
... selected the polymorphism sites -37C®A, 2455A®G, and 2464G®A as target SNPs The RRM1 polymorphism C(-)37A affects promoter activity in vitro[19] but the use of a single genetic polymorphism, ... gemcitabine Blood samples from 56 patients were available for the analysis of RRM1 SNPs An analysis of sequence chromatograms revealed RRM1 polymorphisms (Fig 2) The allele Dong et al Journal of Hematology ... cancer according to promoter polymorphisms of the ribonucleotide reductase M1 gene Clin Cancer Res 2008, 14:3083-3088 Sarries C, Alberola V, De Las Peñas A, Camps C, Massuti B, Garcia-Gomez R,...
... and ulcerative colitis susceptibility is the multidrug resistance transporter (MDR1) A singlenucleotidepolymorphism (SNP) in the coding region of the gene (Ala893Ser/Thr) has been found to occur ... design and analysis EM conceived of the study, recruited patients, performed the data analysis and drafted the manuscript 10 11 12 13 14 Acknowledgments This work was sponsored in part by grants ... arthritis, an autoimmune disease that sometime occurs in individuals and families affected by Crohn's disease [12] Polymorphisms in the promoter of the CD14 gene, which plays a critical role in lipopolysaccharide...
... molecular weight; LMW: low molecular weight; MALDI- TOF: matrix-assisted laser desorption/ionization time of flight mass spectrometry; MS/MS: tandem mass spectrometry; MW: molecular weight; NCBI: ... C-type low molecular weight glutenin subunits by electrospray ionization massspectrometry and matrix-assisted laser desorption/ionization massspectrometry Proteomics 2005, 5:719-728 27 Ferrante ... expressed in this cultivar byanalysis of publicly available EST data In addition to eliminating the inherent bias that results from amplification of sequences by PCR, the analysis provides new information...
... Man; SNP, singlenucleotidepolymorphism Authors' contributions ZZ and JL designed the study JL and YZ collected the data and performed the data analysis XL participated in the statistical analysis ... version 3.0 [49], transmembrane helices by TMHMM 2.0 [50], secondary structures by PSIPRED [41], sequence complexity by SEG [46], and natively disordered proteins by Disopred2 [43] Disopred2 predictions ... structure features by the following computational methods using their default parameters: two-state (exposed or buried) solvent accessibility by PROFacc [40], signal peptides by SignalP version...
... only the reference allele Table SNPs called by MAQ compared with calls by MALDI- TOF genotyping Concordant calls MAQ heterozygote under-call 186 MALDI- TOF homozygous, MAQ heterozygous Error rate ... with MALDI- TOF genotypes resulted in a false-positive rate as high as 24% (18 of 75) All these SNPs were called as heterozygotes by MAQ Of these SNPs, 11 were called as homozygotes by MALDI- TOF ... insertion/deletion event; MAF: minor allele frequency; MALDI- TOF: matrix-assisted laser desorption/ionization time-of-flight; SNP: singlenucleotidepolymorphismAnalysis software We used the bosTau4.0 assembly...
... z 576.5 and 679.5 in mass spectra of erythromycin and roxithromycin were corresponding with Simultaneous Determination of Various Macrolides by Liquid Chromatography /Mass Spectrometry 105 F i ... tiamulin (D) Simultaneous Determination of Various Macrolides by Liquid Chromatography /Mass Spectrometry 107 Table Summarized mass spectra of the drugs used experiments D ru gs Ery th ro my ... ochemical detection are very sensitive to environmental condition The determination method by gas chromatography -mass spectrometry (GC-MS) has been reported [5] This method needs the derivatization procedures...
... estimated by the linear regression analysis of the log-transformed tissue concentrations, and was determined at the time when the Determination of Roxithromycin by Liquid Chromatography /Mass Spectrometry ... - - - - - - - - - - -, not detected or under LOQ Determination of Roxithromycin by Liquid Chromatography /Mass Spectrometry after Multiple-Dose Oral Administration in Broilers 39 Ta ble Concentration ... and Cecilia, A Confirmatory method for macrolide residues in bovine tissues by micro-liquid chromatography-tandem massspectrometry J Chromatogr A 2001, 926(1), 97-104 Demotes-Mainaird, F., Vincon,...
... Structural polymorphism of apolipoprotein C1 M S Wroblewski et al also suggest approaches that might be used to determine the role of N-terminal truncation of ApoC1 Results Profile analysis The MALDI- TOF ... disulfide-linked to cysteine (m ⁄ z ¼ 13881, Fig 1) Polymorphisms appear as a double peak for each form of a given protein The peaks differ by the mass change produced by the amino-acid substitution Figure ... peptide mass fingerprint from MALDI- TOF MS showed m ⁄ z values corresponding to all eight theoretical peptides plus the peptide of the truncated protein (residues 1–13, TPDVSSALDKLKE, theoretical mass...
... analysis of the organic solvent is the preferred method of analysis, either untreated or simply diluted in a suitable solvent Direct organic solvent analysis demands some ... routine analysis of such solvents, it is essential that the vapor pressure is controlled by cooling the spray chamber, where the sample aerosol is generated This can be best affected by means ... routine analysis of organic solvents, the normal peristaltic pump tubing is replaced with PTFE tubing connected directly to a nebulizer that draws the sample solution into the spray chamber by self-aspiration...
... detection and analysis of macromolecular complexes These protein complexes are detected at different mass- to-charge ratios (m ⁄ z), separated by differences in their time-of-flight inside the mass analyser ... orthogonal time-of-flight mass spectrometer (Micromass LC-T; Waters, Manchester, UK) modified for high mass operation and operating in positive ion mode [32] To monitor RNA cleavage by Kid protein a robotic ... 240–243 Heck AJ (2008) Native mass spectrometry: a bridge between interactomics and structural biology Nat Methods 5, 927–933 Sharon M & Robinson CV (2007) The role of massspectrometry in structure...