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Träfflista för sökning "WFRF:(Taussig Michael J.) srt2:(2006-2009)"

Sökning: WFRF:(Taussig Michael J.) > (2006-2009)

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1.
  • Taussig, Michael J., et al. (författare)
  • ProteomeBinders : planning a European resource of affinity reagents for analysis of the human proteome
  • 2007
  • Ingår i: Nature Methods. - : Springer Science and Business Media LLC. - 1548-7091 .- 1548-7105. ; 4:1, s. 13-17
  • Tidskriftsartikel (refereegranskat)abstract
    • ProteomeBinders is a new European consortium aiming to establish a comprehensive resource of well-characterized affinity reagents, including but not limited to antibodies, for analysis of the human proteome. Given the huge diversity of the proteome, the scale of the project is potentially immense but nevertheless feasible in the context of a pan-European or even worldwide coordination.
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2.
  • Apweiler, Rolf, et al. (författare)
  • Approaching clinical proteomics : current state and future fields of application in cellular proteomics
  • 2009
  • Ingår i: Cytometry. Part A : the journal of the International Society for Analytical Cytology. - : Wiley. - 1552-4922. ; 75A:10, s. 816-832
  • Forskningsöversikt (refereegranskat)abstract
    • Recent developments in proteomics technology offer new opportunities for clinical applications in hospital or specialized laboratories including the identification of novel biomarkers, monitoring of disease, detecting adverse effects of drugs, and environmental hazards. Advanced spectrometry technologies and the development of new protein array formats have brought these analyses to a standard, which now has the potential to be used in clinical diagnostics. Besides standardization of methodologies and distribution of proteomic data into public databases, the nature of the human body fluid proteome with its high dynamic range in protein concentrations, its quantitation problems, and its extreme complexity present enormous challenges. Molecular cell biology (cytomics) with its link to proteomics is a new fast moving scientific field, which addresses functional cell analysis and bioinformatic approaches to search for novel cellular proteomic biomarkers or their release products into body fluids that provide better insight into the enormous biocomplexity of disease processes and are suitable for patient stratification, therapeutic monitoring, and prediction of prognosis. Experience from studies of in vitro diagnostics and especially in clinical chemistry showed that the majority of errors occurs in the preanalytical phase and the setup of the diagnostic strategy. This is also true for clinical proteomics where similar preanalytical variables such as inter- and intra-assay variability due to biological variations or proteolytical activities in the sample will most likely also influence the results of proteomics studies. However, before complex proteomic analysis can be introduced at a broader level into the clinic, standardization of the preanalytical phase including patient preparation, sample collection, sample preparation, sample storage, measurement, and data analysis is another issue which has to be improved. In this report, we discuss the recent advances and applications that fulfill the criteria for clinical proteomics with the focus on cellular proteomics (cytoproteomics) as related to preanalytical and analytical standardization and to quality control measures required for effective implementation of these technologies and analytes into routine laboratory testing to generate novel actionable health information. It will then be crucial to design and carry out clinical studies that can eventually identify novel clinical diagnostic strategies based on these techniques and validate their impact on clinical decision making.
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3.
  • Apweiler, Rolf, et al. (författare)
  • Approaching clinical proteomics : current state and future fields of application in fluid proteomics
  • 2009
  • Ingår i: Clinical Chemistry and Laboratory Medicine. - 1434-6621 .- 1437-4331. ; 47:6, s. 724-744
  • Forskningsöversikt (refereegranskat)abstract
    • The field of clinical proteomics offers opportunities to identify new disease biomarkers in body fluids, cells and tissues. These biomarkers can be used in clinical applications for diagnosis, stratification of patients for specific treatment, or therapy monitoring. New protein array formats and improved spectrometry technologies have brought these analyses to a level with potential for use in clinical diagnostics. The nature of the human body fluid proteome with its large dynamic range of protein concentrations presents problems with quantitation. The extreme complexity of the proteome in body fluids presents enormous challenges and requires the establishment of standard operating procedures for handling of specimens, increasing sensitivity for detection and bioinformatical tools for distribution of proteomic data into the public domain. From studies of in vitro diagnostics, especially in clinical chemistry, it is evident that most errors occur in the preanalytical phase and during implementation of the diagnostic strategy. This is also true for clinical proteomics, and especially for fluid proteomics because of the multiple pretreatment processes. These processes include depletion of high-abundance proteins from plasma or enrichment processes for urine where biological variation or differences in proteolytic activities in the sample along with preanalytical variables such as inter- and intra-assay variability will likely influence the results of proteomics studies. However, before proteomic analysis can be introduced at a broader level into the clinical setting, standardization of the preanalytical phase including patient preparation, sample collection, sample preparation, sample storage, measurement and data analysis needs to be improved. In this review, we discuss the recent technological advances and applications that fulfil the criteria for clinical proteomics, with the focus on fluid proteomics. These advances relate to preanalytical factors, analytical standardization and quality-control measures required for effective implementation into routine laboratory testing in order to generate clinically useful information. With new disease biomarker candidates, it will be crucial to design and perform clinical studies that can identify novel diagnostic strategies based on these techniques, and to validate their impact on clinical decision-making.
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4.
  • He, Mingyue, et al. (författare)
  • Printing protein arrays from DNA arrays
  • 2008
  • Ingår i: Nature Methods. - 1548-7091 .- 1548-7105. ; 5:2, s. 175-177
  • Tidskriftsartikel (refereegranskat)abstract
    • We describe a method, DNA array to protein array (DAPA), which allows the 'printing' of replicate protein arrays directly from a DNA array template using cell-free protein synthesis. At least 20 copies of a protein array can be obtained from a single DNA array. DAPA eliminates the need for separate protein expression, purification and spotting, and also overcomes the problem of long-term functional storage of surface-bound proteins.
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5.
  • Steinhauer, Cornelia, et al. (författare)
  • Improved affinity coupling for antibody microarrays: Engineering of double-(His)(6)-tagged single framework recombinant antibody fragments
  • 2006
  • Ingår i: Proteomics. - : Wiley. - 1615-9861 .- 1615-9853. ; 6:15, s. 4227-4234
  • Tidskriftsartikel (refereegranskat)abstract
    • Antibody-based microarray is a novel technology with great promise in biomedicine that will provide unique means to perform global proteome analysis. In the process of designing the high-density antibody microarrays required, several critical key issues have been identified that remain to be resolved. In particular, there is a great need for specific and selective approaches enabling non-purified probes to be directly purified, orientated and coupled in a generic one-step procedure directly on the chip. In this study, we report on the successful design of affinity-tagged human recombinant single-chain fragment variable antibody fragments for improved affinity coupling in array applications. By replacing the standard single-histidine (His)(6)-tag with a consecutive double-(His)(6)-tag, the binding to Ni2+-nitrilotriacetic acid-coated substrates was significantly improved. Surface plasmon resonance analysis showed a significantly tighter binding with at least a threefold slower dissociation. The improved binding characteristics thus enabled non-purified probes even in the format of crude expression supernatants to be directly applied thereby eliminating the need for any time-consuming pre-purification step(s) prior to the immobilization. While the double-(HiS)(6)-tag probes were found to be expressed equally well as compared to the single-(His)(6)-tag probes, they displayed better long-term functional on-chip stability. Taken together, the results demonstrate the generic potential of double-(HiS)(6)-tag recombinant antibodies for the facile fabrication of high-density antibody microarrays.
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