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  • Chemistry  (15)
  • Astrophysics  (9)
  • Two-dimensional polyacrylamide gel electrophoresis  (8)
  • Polymer and Materials Science  (5)
  • ASTROPHYSICS
  • Humans
  • 1995-1999  (28)
  • 11
    Electronic Resource
    Electronic Resource
    A two-dimensional protein map of human amniotic fluid at 17 weeks' gestation (1997)
    Weinheim : Wiley-Blackwell
    Electrophoresis 18 (1997), S. 2816-2822 
    Details
    ISSN: 0173-0835
    Keywords: Amniotic fluid ; Two-dimensional polyacrylamide gel electrophoresis ; Immobilized pH gradient ; Protein map ; Gel matching ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Using updated technical procedures (immobilized pH gradients for isoelectric focusing followed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis: IPG/SDS-PAGE) we provide a two-dimensional (2-D) map of amniotic fluid (AF) proteins. This map comprises over 800 silver-stained spots. Over 150 spots have been identified by matching on the net with human plasma and cerebrospinal fluid maps available from SWISS 2DPAGE database; several additional spots were assigned by immunoblotting and/or microanalytical techniques. This report details our investigation on AF proteins focusing on the 17th week of gestation, when AF is most commonly used for clinical evaluation of fetal disorders. As a whole, the map displays a number of potential markers for fetal development and for gestation abnormalities. The 2-D electrophoretic technique allows the monitoring of all these proteins at the same time along with additional spots that may prove of diagnostic significance.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150181517
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  • 12
    Electronic Resource
    Electronic Resource
    Protein expression profiles in human breast ductal carcinoma and histologically normal tissue (1997)
    Weinheim : Wiley-Blackwell
    Electrophoresis 18 (1997), S. 2832-2841 
    Details
    ISSN: 0173-0835
    Keywords: Ductal breast carcinoma ; Breast biopsy ; Two-dimensional polyacrylamide gel electrophoresis ; Reference map ; Immobilized pH gradient ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Reference two-dimensional (2-D) gels are presented for human breast ductal carcinoma and histologically normal tissue. Whole biopsy fragments were analyzed, including epithelial and nonepithelial components. Thirty-five spots have been assigned by gel matching to the human liver SWISS-2DPAGE reference map and/or to the human primary keratinocyte IPG map from the Danish Center for Human Genome. N-terminal microsequencing was applied to confirm randomly chosen matching assignments and to identify six new spots. Protein expression profiles in ductal carcinoma and in normal breast tissue appeared to be similar, except for a pattern consisting of 32 spots, which were highly expressed in all carcinoma specimens, and less intense and occasionally undetectable in normal tissue. This difference was statistically significant. Assignment has been obtained for several spots, namely GRP94, GRP78, GRP75, mitochondrial HSP60, calreticulin, protein disulfide isomerase, peptidyl-prolyl cis-trans isomerase, collagen-binding protein 2, fructose bisphosphate aldolase, glyceraldehyde-3-phosphate dehydrogenase, thioredoxin, cytochrome c oxidase VA subunit, tubulin β isoform and macrophage migration inhibitory factor (MIF). The cancer- and tissue-specificity of the described pattern was assessed by matching to the Swiss-2DPAGE human liver, hepatoma, lymphoma, erythroleukemia reference maps. The pattern of 32 spots was found to be indicative of epithelial neoplasia.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150181519
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  • 13
    Electronic Resource
    Electronic Resource
    Human blood platelet protein map established by two-dimensional polyacrylamide gel electrophoresis (1995)
    Weinheim : Wiley-Blackwell
    Electrophoresis 16 (1995), S. 1152-1159 
    Details
    ISSN: 0173-0835
    Keywords: Two-dimensional polyacrylamide gel electrophoresis ; Human blood platelets ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Two-dimensional (2-D) maps of cytosol and enriched-membrane platelet proteins has allowed the identification of more than 25 spots by three different methods: matching of the platelet gels with other 2-D reference maps, immunoblotting with chemiluminescence detection, and N-terminal sequencing. Different G protein (guanosine triphosphate-binding protein) subunits, cytoskeletal proteins, and proteins common to the human liver, red blood cells and plasma were identified. The two platelet protein maps presented here contribute to the project of identification of human cell and body fluid proteins. They may serve as working tools since platelets are popular models for the study of central nervous system neurotransmitter systems and stimulus-response coupling mechanisms.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.11501601191
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  • 14
    Electronic Resource
    Electronic Resource
    Two-dimensional gel electrophoresis of Escherichia coli homogenates: The Escherichia coli SWISS-2DPAGE database (1996)
    Weinheim : Wiley-Blackwell
    Electrophoresis 17 (1996), S. 547-555 
    Details
    ISSN: 0173-0835
    Keywords: Escherichia coli ; SWISS-2DPAGE database ; Two-dimensional polyacrylamide gel electrophoresis ; Immobilized pH gradients ; Protein pattern comparison ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Numerous Escherichia coli proteins have already been characterized by two-dimensional gel electrophoresis (2-D PAGE), using carrier ampholytes in the first dimension (VanBogelen, R. A., Sankar, P., Clark, R. L., Bogan, J. A. and Neidhardt, F. C., Electrophoresis 1992, 13, 1014-1054). We present here a reference protein map of E. coli obtained with immobilized pH gradients (IPG) and available in a SWISS-2DPAGE format. Out of the protein spots identified in the E. coli gene protein database by Neidhardt's group, 153 have been identified on the E.coli SWISS-2DPAGE database map by gel comparison and most of them were confirmed either by the analysis of amino acid composition (AAC) and/or N-terminal microsequencing. Additionally, five as yet unsequenced proteins were found. The E. coli SWISS-2DPAGE database is part of the ExPASy molecular biology server accessible through the Word Wide Web network.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150170325
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  • 15
    Electronic Resource
    Electronic Resource
    Renal cell carcinoma and normal kidney protein expression (1997)
    Weinheim : Wiley-Blackwell
    Electrophoresis 18 (1997), S. 599-604 
    Details
    ISSN: 0173-0835
    Keywords: Kidney ; Two-dimensional polyacrylamide gel electrophoresis ; Renal cell carcinoma ; Database ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Renal cell carcinoma (RCC), a human kidney cancer from the proximal tubular epithelium, accounts for about 3% of adult malignancies. Molecular and cytogenetic analysis have highlighted deletions, translocations, or loss of heterozygosity in the 3p21-p26, a putative RCC locus, as well as in 6q, 8p, 9pq, and 14pq. Studies on phenotypic expression of human kidney tissue and on post-translational modifications in RCC have not yet provided a marker for early renal cell carcinoma diagnosis. Current dignostic methods do not help to detect the tumor before advanced stages. We therefore used two-dimensional polyacrylamide gel electrophoresis (2-D PAGE) to study normal and tumor kidney tissues in ten patients suffering from RCC. A human kidney protein map in the SWISS-2DPAGE database accessible through the ExPASy WWW Molecular Biology Server was established. Of 2789 separated polypeptides, 43 were identified by gel comparison, amino acid analysis, N-terminal sequencing, and/or immunodetection. The comparison between normal and tumor kidney tissues showed four polypeptides to be absent in RCC. One of them was identified as ubiquinol cytochrome c reductase (UQCR), whose locus has elsewhere been tentatively assigned to chromosome 19p12 or chromosome 22. A second polypeptide was identified as mitochondrial NADH-ubiquinone oxido reductase complex I whose locus is located on chromosome 18p 11.2 and chromosome 19q 13.3. These result suggest that the lack of UQCR and of mitochondrial NADH-ubiquinone oxidoreductase complex I expression in RCC may be caused by unknown deletions, or by changes in gene transcription or translation. It might indicate that mitochondrial disfunction plays a major role in RCC genesis or evolution.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150180343
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  • 16
    Electronic Resource
    Electronic Resource
    '98 Escherichia coli SWISS-2DPAGE database update (1998)
    Weinheim : Wiley-Blackwell
    Electrophoresis 19 (1998), S. 1960-1971 
    Details
    ISSN: 0173-0835
    Keywords: Two-dimensional polyacrylamide gel electrophoresis ; Escherichia coli ; SWISS-2DPAGE database ; Immobilized pH gradient ; Sequence tag ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: The combination of two-dimensional polyacrylamide gel electrophoresis (2-DPAGE), computer image analysis and several protein identification techniques allowed the Escherichia coli SWISS-2DPAGE database to be established. This is part of the ExPASy molecular biology server accessible through the WWW at the URL address http://www.expasy.ch/ch2d/ch2d-top.html. Here we report recent progress in the development of the E. coli SWISS-2DPAGE database. Proteins were separated with immobilized pH gradients in the first dimension and sodium dodecyl sulfate-polyacrylamide gel electrophoresis in the second dimension. To increase the resolution of the separation and thus the number of identified proteins, a variety of wide and narrow range immobilized pH gradients were used in the first dimension. Micropreparative gels were electroblotted onto polyvinylidene difluoride membranes and spots were visualized by amido black staining. Protein identification techniques such as amino acid composition analysis, gel comparison and microsequencing were used, as well as a recently described Edman “sequence tag” approach. Some of the above identification techniques were coupled with database searching tools. Currently 231 polypeptides are identified on the E. coli SWISS-2DPAGE map: 64 have been identified by N-terminal microsequencing, 39 by amino acid composition, and 82 by sequence tag. Of 153 proteins putatively identified by gel comparison, 65 have been confirmed. Many proteins have been identified using more than one technique. Faster progress in the E. coli proteome project will now be possible with advances in biochemical methodology and with the completion of the entire E. coli genome.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150191114
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  • 17
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    Emerging infectious diseases: public health issues for the 21st century (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: Infectious diseases are the third leading cause of death in the United States and the leading cause worldwide. As the new millennium approaches, the public health community must replenish capacity depleted during years of inadequate funding while simultaneously incorporating new technologies and planning for the longer term. Among the challenges facing the public health community is the need for coordinated, global, multisectoral approaches to preventing and controlling complex infectious disease problems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Binder, S -- Levitt, A M -- Sacks, J J -- Hughes, J M -- New York, N.Y. -- Science. 1999 May 21;284(5418):1311-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Parasitic Diseases, National Center for Infectious Diseases (NCID), Centers for Disease Control and Prevention (CDC), F-22, 4770 Buford Highway, NE, Atlanta, GA 30341, USA. scb1@cdc.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10334978" target="_blank"〉PubMed〈/a〉
    Keywords: *Communicable Disease Control/trends ; *Communicable Diseases/diagnosis/epidemiology/mortality ; Drug Resistance, Microbial ; Environmental Health ; Global Health ; Humans ; Population Surveillance ; *Public Health Practice ; Socioeconomic Factors ; United States/epidemiology ; Vaccination
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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    PAPER CURRENT
  • 18
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    GTBP, a 160-kilodalton protein essential for mismatch-binding activity in human cells (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-30
    Description: DNA mismatch recognition and binding in human cells has been thought to be mediated by the hMSH2 protein. Here it is shown that the mismatch-binding factor consists of two distinct proteins, the 100-kilodalton hMSH2 and a 160-kilodalton polypeptide, GTBP (for G/T binding protein). Sequence analysis identified GTBP as a new member of the MutS homolog family. Both proteins are required for mismatch-specific binding, a result consistent with the finding that tumor-derived cell lines devoid of either protein are also devoid of mismatch-binding activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palombo, F -- Gallinari, P -- Iaccarino, I -- Lettieri, T -- Hughes, M -- D'Arrigo, A -- Truong, O -- Hsuan, J J -- Jiricny, J -- New York, N.Y. -- Science. 1995 Jun 30;268(5219):1912-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Istituto di Ricerche di Biologia Molecolare P. Angeletti, Pomezia, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7604265" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Composition ; Base Sequence ; Cloning, Molecular ; Colorectal Neoplasms ; *DNA Repair/genetics ; DNA, Neoplasm/*metabolism ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; HeLa Cells ; Humans ; Molecular Sequence Data ; Molecular Weight ; Nucleic Acid Heteroduplexes/*metabolism ; Sequence Analysis ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 19
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    The HST Key Project on the Extragalactic Distance Scale XX. The Discovery of Cepheids in the Virgo Cluster Galaxy NGC 4548 (1998)
    In:  Other Sources
    Details
    Publication Date: 2018-06-08
    Description: This is one of the galaxies being observed as part of the Hubble Space Telescope (HST) Key Project on the Extragalactic Distance Scale which aims to determine the Hubble Constant to 10% accuracy.
    Keywords: Astrophysics
    Type: Astrophysical Journal
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    NASA TECHNICAL REPORTS
  • 20
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    The Extragalactic Distance Scale Key Project. XVI. Cepheid Variables in an Inner Field of M101 (1998)
    In:  Other Sources
    Details
    Publication Date: 2018-06-08
    Description: We report on the identification of 255 candidate variable stars in a field located some 1.7 from the center of the late-type spiral galaxy M101 = NGC 5457, based on observations made with the Wide Field and Planetary Camera 2 on board the Hubble Space Telescope.
    Keywords: Astrophysics
    Type: Astrophysical Journal
    Format: text
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