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  • Humans  (28)
  • *Escherichia coli Proteins
  • American Association for the Advancement of Science (AAAS)  (30)
  • 2000-2004  (13)
  • 1995-1999  (17)
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  • American Association for the Advancement of Science (AAAS)  (30)
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  • 1
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    Susceptibility locus for Alzheimer's disease on chromosome 10 (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-12-23
    Description: The apolipoprotein E (APOE) gene is the only genetic risk factor that has so far been linked to risk for late-onset Alzheimer's disease (LOAD). However, 50 percent of Alzheimer's disease cases do not carry an APOE4 allele, suggesting that other risk factors must exist. We performed a two-stage genome-wide screen in sibling pairs with LOAD to detect other susceptibility loci. Here we report evidence for an Alzheimer's disease locus on chromosome 10. Our stage one multipoint lod score (logarithm of the odds ratio for linkage/no linkage) of 2.48 (266 sibling pairs) increased to 3.83 in stage 2 (429 sibling pairs) close to D10S1225 (79 centimorgans). This locus modifies risk for Alzheimer's disease independent of APOE genotype.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Myers, A -- Holmans, P -- Marshall, H -- Kwon, J -- Meyer, D -- Ramic, D -- Shears, S -- Booth, J -- DeVrieze, F W -- Crook, R -- Hamshere, M -- Abraham, R -- Tunstall, N -- Rice, F -- Carty, S -- Lillystone, S -- Kehoe, P -- Rudrasingham, V -- Jones, L -- Lovestone, S -- Perez-Tur, J -- Williams, J -- Owen, M J -- Hardy, J -- Goate, A M -- AG16208/AG/NIA NIH HHS/ -- AG5681/AG/NIA NIH HHS/ -- U24 AG021886/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2000 Dec 22;290(5500):2304-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychiatry, Washington University School of Medicine, 660 S. Euclid, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11125144" target="_blank"〉PubMed〈/a〉
    Keywords: Age of Onset ; Aged ; Alleles ; Alzheimer Disease/*genetics ; Apolipoprotein E4 ; Apolipoproteins E/genetics ; Chromosomes, Human, Pair 10/*genetics ; Genetic Linkage ; Genetic Markers ; *Genetic Predisposition to Disease ; Genotype ; Humans ; Lod Score ; Nuclear Family ; Odds Ratio
    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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  • 2
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    Transmembrane molecular pump activity of Niemann-Pick C1 protein (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-12-23
    Description: Niemann-Pick C1 (NPC1) disease is characterized by cholesterol accumulation in lysosomes and aberrant feedback regulation of cellular cholesterol homeostasis. We provide evidence that the NPC1 protein has homology with the resistance-nodulation-division (RND) family of prokaryotic permeases and may normally function as a transmembrane efflux pump. Studies of acriflavine loading in normal and NPC1 fibroblasts indicated that NPC1 uses a proton motive force to remove accumulated acriflavine from the endosomal/lysosomal system. Expression of NPC1 in Escherichia coli (i) facilitated the transport of acriflavine across the plasma membrane, causing cytosolic accumulation, and (ii) resulted in transport of oleic acid but not cholesterol or cholesterol-oleate across the plasma membrane. These studies establish NPC1 as a eukaryotic member of the RND permease family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davies, J P -- Chen, F W -- Ioannou, Y A -- R01 DK54736/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2000 Dec 22;290(5500):2295-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, Box 1498, The Mount Sinai School of Medicine, One Gustave L. Levy Place, New York, NY 10029, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11125140" target="_blank"〉PubMed〈/a〉
    Keywords: Acriflavine/metabolism ; Amino Acid Motifs ; Amino Acid Sequence ; Biological Transport ; *Carrier Proteins ; Cell Membrane/metabolism ; Cells, Cultured ; Cholesterol/metabolism ; Cholesterol Esters/metabolism ; Endosomes/metabolism ; Escherichia coli/genetics/metabolism ; Fibroblasts ; Fluorescence ; Fluorescent Dyes/metabolism ; Humans ; Lysosomes/metabolism ; *Membrane Glycoproteins ; Membrane Proteins/chemistry ; Membrane Transport Proteins/chemistry/*metabolism ; Molecular Sequence Data ; Niemann-Pick Diseases/genetics/*metabolism ; Oleic Acid/metabolism ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Proteins/chemistry/*metabolism ; Proton-Motive Force ; Recombinant Proteins/metabolism ; Sequence Alignment
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Frameshift mutants of beta amyloid precursor protein and ubiquitin-B in Alzheimer's and Down patients (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-31
    Description: The cerebral cortex of Alzheimer's and Down syndrome patients is characterized by the presence of protein deposits in neurofibrillary tangles, neuritic plaques, and neuropil threads. These structures were shown to contain forms of beta amyloid precursor protein and ubiquitin-B that are aberrant (+1 proteins) in the carboxyl terminus. The +1 proteins were not found in young control patients, whereas the presence of ubiquitin-B+1 in elderly control patients may indicate early stages of neurodegeneration. The two species of +1 proteins displayed cellular colocalization, suggesting a common origin, operating at the transcriptional level or by posttranscriptional editing of RNA. This type of transcript mutation is likely an important factor in the widely occurring nonfamilial early- and late-onset forms of Alzheimer's disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van Leeuwen, F W -- de Kleijn, D P -- van den Hurk, H H -- Neubauer, A -- Sonnemans, M A -- Sluijs, J A -- Koycu, S -- Ramdjielal, R D -- Salehi, A -- Martens, G J -- Grosveld, F G -- Peter, J -- Burbach, H -- Hol, E M -- New York, N.Y. -- Science. 1998 Jan 9;279(5348):242-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate School for Neurosciences Amsterdam, Netherlands Institute for Brain Research, 1105 AZ Amsterdam, The Netherlands. f.van.leeuwen@nih.knaw.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9422699" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Aging/genetics ; Alzheimer Disease/*genetics/metabolism/pathology ; Amino Acid Sequence ; Amyloid beta-Protein Precursor/analysis/chemistry/*genetics ; Base Sequence ; *Brain Chemistry ; Cerebral Cortex/chemistry/pathology ; Cloning, Molecular ; Down Syndrome/*genetics/metabolism/pathology ; Female ; *Frameshift Mutation ; Hippocampus/chemistry/pathology ; Humans ; Male ; Molecular Sequence Data ; Neurites/chemistry ; Neurofibrillary Tangles/chemistry ; Neuropil/chemistry ; Polymerase Chain Reaction ; RNA Editing ; Repetitive Sequences, Nucleic Acid ; Sequence Deletion ; Transcription, Genetic ; Ubiquitins/analysis/chemistry/*genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Thymocyte development in the absence of pre-T cell receptor extracellular immunoglobulin domains (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-23
    Description: Immature thymocytes express a pre-T cell receptor (pre-TCR) composed of the TCRbeta chain paired with pre-Talpha. Signals from this receptor are essential for passage of thymocytes through a key developmental checkpoint in the thymus. These signals were efficiently delivered in vivo by a truncated form of the murine pre-TCR that lacked all of its extracellular immunoglobulin domains. De novo expression of the truncated pre-TCR or an intact alphabetaTCR was sufficient to activate characteristic TCR signaling pathways in a T cell line. These findings support the view that recognition of an extracellular ligand is not required for pre-TCR function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Irving, B A -- Alt, F W -- Killeen, N -- New York, N.Y. -- Science. 1998 May 8;280(5365):905-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, University of California, San Francisco, CA 94143-0414, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9572735" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD/analysis ; Antigens, CD3/analysis/genetics ; DNA-Binding Proteins/genetics/metabolism ; Dimerization ; Gene Rearrangement, T-Lymphocyte ; Humans ; Immunoglobulins/chemistry ; Immunophenotyping ; Jurkat Cells ; Ligands ; Membrane Glycoproteins/chemistry/genetics/*physiology ; Mice ; Mice, Inbred Strains ; Mice, Transgenic ; NFATC Transcription Factors ; *Nuclear Proteins ; Receptors, Antigen, T-Cell, alpha-beta/chemistry/genetics/*physiology ; Signal Transduction ; T-Lymphocytes/cytology/*immunology/metabolism ; Transcription Factors/genetics/metabolism ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Metaphors, misuse, and misconceptions (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-09-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Perry, Gad -- Schueler, Frederick W -- New York, N.Y. -- Science. 2003 Sep 12;301(5639):1479-82; author reply 1479-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12971381" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Ecology ; Ecosystem ; Humans ; *Metaphor ; *Terminology as Topic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Environment. Avoiding destructive remediation at DOE sites (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-03-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whicker, F W -- Hinton, T G -- MacDonell, M M -- Pinder, J E 3rd -- Habegger, L J -- New York, N.Y. -- Science. 2004 Mar 12;303(5664):1615-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO 80523, USA. ward.whicker@colostate.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15016982" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; Environment ; *Environmental Pollution ; Humans ; Nuclear Warfare ; *Public Health ; *Radioactive Pollutants ; Risk Assessment ; Soil Pollutants, Radioactive ; United States ; *United States Government Agencies ; Water Pollutants, Radioactive
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Stress-dependent regulation of FOXO transcription factors by the SIRT1 deacetylase (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-02-21
    Description: The Sir2 deacetylase modulates organismal life-span in various species. However, the molecular mechanisms by which Sir2 increases longevity are largely unknown. We show that in mammalian cells, the Sir2 homolog SIRT1 appears to control the cellular response to stress by regulating the FOXO family of Forkhead transcription factors, a family of proteins that function as sensors of the insulin signaling pathway and as regulators of organismal longevity. SIRT1 and the FOXO transcription factor FOXO3 formed a complex in cells in response to oxidative stress, and SIRT1 deacetylated FOXO3 in vitro and within cells. SIRT1 had a dual effect on FOXO3 function: SIRT1 increased FOXO3's ability to induce cell cycle arrest and resistance to oxidative stress but inhibited FOXO3's ability to induce cell death. Thus, one way in which members of the Sir2 family of proteins may increase organismal longevity is by tipping FOXO-dependent responses away from apoptosis and toward stress resistance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brunet, Anne -- Sweeney, Lora B -- Sturgill, J Fitzhugh -- Chua, Katrin F -- Greer, Paul L -- Lin, Yingxi -- Tran, Hien -- Ross, Sarah E -- Mostoslavsky, Raul -- Cohen, Haim Y -- Hu, Linda S -- Cheng, Hwei-Ling -- Jedrychowski, Mark P -- Gygi, Steven P -- Sinclair, David A -- Alt, Frederick W -- Greenberg, Michael E -- NIHP30-HD18655/HD/NICHD NIH HHS/ -- P01 NS35138-17/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2004 Mar 26;303(5666):2011-5. Epub 2004 Feb 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Neuroscience, Children's Hospital, and Department of Neurobiology, Center for Blood Research (CBR) Institute for Biomedical Research, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14976264" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; Apoptosis ; Cell Cycle ; Cell Line ; Cell Nucleus/metabolism ; Cells, Cultured ; Cerebellum/cytology ; Forkhead Transcription Factors ; Gene Expression Profiling ; Gene Expression Regulation ; Histone Deacetylases/genetics/*metabolism ; Humans ; Intracellular Signaling Peptides and Proteins ; Mice ; Mice, Knockout ; Neurons/cytology ; *Oxidative Stress ; Phosphorylation ; Proteins/genetics ; Recombinant Proteins/metabolism ; Sirtuin 1 ; Sirtuins/genetics/*metabolism ; Transcription Factors/genetics/*metabolism ; Transcription, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Marine biodiversity hotspots and conservation priorities for tropical reefs (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-02-16
    Description: Coral reefs are the most biologically diverse of shallow water marine ecosystems but are being degraded worldwide by human activities and climate warming. Analyses of the geographic ranges of 3235 species of reef fish, corals, snails, and lobsters revealed that between 7.2% and 53.6% of each taxon have highly restricted ranges, rendering them vulnerable to extinction. Restricted-range species are clustered into centers of endemism, like those described for terrestrial taxa. The 10 richest centers of endemism cover 15.8% of the world's coral reefs (0.012% of the oceans) but include between 44.8 and 54.2% of the restricted-range species. Many occur in regions where reefs are being severely affected by people, potentially leading to numerous extinctions. Threatened centers of endemism are major biodiversity hotspots, and conservation efforts targeted toward them could help avert the loss of tropical reef biodiversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, Callum M -- McClean, Colin J -- Veron, John E N -- Hawkins, Julie P -- Allen, Gerald R -- McAllister, Don E -- Mittermeier, Cristina G -- Schueler, Frederick W -- Spalding, Mark -- Wells, Fred -- Vynne, Carly -- Werner, Timothy B -- New York, N.Y. -- Science. 2002 Feb 15;295(5558):1280-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organismic and Evolutionary Biology, Harvard University, Cambridge MA 02138, USA. cr10@york.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11847338" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cnidaria/classification/physiology ; *Conservation of Natural Resources ; *Ecosystem ; *Fishes/classification/physiology ; Humans ; *Nephropidae/classification/physiology ; Seawater ; *Snails/classification/physiology ; Tropical Climate
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Clean air skepticism (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-10-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lipfert, F W -- New York, N.Y. -- Science. 1997 Oct 3;278(5335):19-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9340746" target="_blank"〉PubMed〈/a〉
    Keywords: Air Pollution/*adverse effects ; Cohort Studies ; Confounding Factors (Epidemiology) ; Humans ; *Mortality ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Attomole protein characterization by capillary electrophoresis-mass spectrometry (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-08-30
    Description: Electrospray ionization with an ultralow flow rate (〈/=4 nanoliters per minute) was used to directly couple capillary electrophoresis with tandem mass spectrometry for the analysis and identification of biomolecules in mixtures. A Fourier transform mass spectrometer provided full spectra (〉30 kilodaltons) at a resolving power of approximately 60,000 for injections of 0.7 x 10(-18) to 3 x 10(-18) mole of 8- to 29-kilodalton proteins with errors of 〈1 dalton in molecular mass. Using a crude isolate from human blood, a value of 28,780.6 daltons (calculated, 28,780.4 daltons) was measured for carbonic anhydrase, representing 1 percent by weight of the protein in a single red blood cell. Dissociation of molecular ions from 9 x 10(-18) mole of carbonic anhydrase gave nine sequence-specific fragment ions, more data than required for unique retrieval of this enzyme from the protein database.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Valaskovic, G A -- Kelleher, N L -- McLafferty, F W -- 08-T2GM07273/GM/NIGMS NIH HHS/ -- GM16609/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Aug 30;273(5279):1199-202.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Baker Laboratory, Cornell University, Ithaca, NY 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8703047" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carbonic Anhydrases/*analysis/chemistry ; Cattle ; Cytochrome c Group/analysis/chemistry ; Electrophoresis, Capillary/*methods ; Horses ; Humans ; Mass Spectrometry/*methods ; Molecular Weight ; Proteins/*analysis/chemistry ; Sensitivity and Specificity ; Spectroscopy, Fourier Transform Infrared ; Ubiquitins/analysis/chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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