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  • American Association for the Advancement of Science (AAAS)  (3,739)
  • 1995-1999  (1,929)
  • 1980-1984  (1,810)
  • 1940-1944
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  • 11
    Publication Date: 1999-11-24
    Description: Recent advances in developing nonlinear optical techniques for processing serial digital information at high speed are reviewed. The field has been transformed by the advent of semiconductor nonlinear devices capable of operation at 100 gigabits per second and higher, well beyond the current speed limits of commercial electronics. These devices are expected to become important in future high-capacity communications networks by allowing digital regeneration and other processing functions to be performed on data signals "on the fly" in the optical domain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cotter -- Manning -- Blow -- Ellis -- Kelly -- Nesset -- Phillips -- Poustie -- Rogers -- New York, N.Y. -- Science. 1999 Nov 19;286(5444):1523-1528.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉BT Advanced Communications Technology Centre, Adastral Park, Martlesham Heath, Ipswich IP5 3RE, United Kingdom. Electronic Engineering, Aston University, Aston Triangle, Birmingham, B4 7ET, United Kingdom.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10567251" target="_blank"〉PubMed〈/a〉
    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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  • 12
    Publication Date: 1999-07-31
    Description: Estrogen receptor alpha transcriptional activity is regulated by distinct conformational states that are the result of ligand binding. Phage display was used to identify peptides that interact specifically with either estradiol- or tamoxifen-activated estrogen receptor alpha. When these peptides were coexpressed with estrogen receptor alpha in cells, they functioned as ligand-specific antagonists, indicating that estradiol-agonist and tamoxifen-partial agonist activities do not occur by the same mechanism. The ability to regulate estrogen receptor alpha transcriptional activity by targeting sites outside of the ligand-binding pocket has implications for the development of estrogen receptor alpha antagonists for the treatment of tamoxifen-refractory breast cancers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norris, J D -- Paige, L A -- Christensen, D J -- Chang, C Y -- Huacani, M R -- Fan, D -- Hamilton, P T -- Fowlkes, D M -- McDonnell, D P -- DK48807/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):744-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Duke University Medical Center, Department of Pharmacology and Cancer Biology, Durham, NC 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10426998" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Estradiol/metabolism/*pharmacology ; Estrogen Antagonists/*pharmacology ; Estrogen Receptor alpha ; Humans ; Ligands ; Mifepristone/pharmacology ; Molecular Sequence Data ; Peptide Library ; Peptides/metabolism/*pharmacology ; Receptors, Cytoplasmic and Nuclear/metabolism ; Receptors, Estrogen/agonists/*antagonists & inhibitors/chemistry/*metabolism ; Recombinant Fusion Proteins/pharmacology ; Tamoxifen/metabolism/*pharmacology ; Transcription Factor AP-1/genetics/metabolism ; Transcription, Genetic/drug effects
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
    Publication Date: 1999-06-26
    Description: Motilin is a 22-amino acid peptide hormone expressed throughout the gastrointestinal (GI) tract of humans and other species. It affects gastric motility by stimulating interdigestive antrum and duodenal contractions. A heterotrimeric guanosine triphosphate-binding protein (G protein)-coupled receptor for motilin was isolated from human stomach, and its amino acid sequence was found to be 52 percent identical to the human receptor for growth hormone secretagogues. The macrolide antibiotic erythromycin also interacted with the cloned motilin receptor, providing a molecular basis for its effects on the human GI tract. The motilin receptor is expressed in enteric neurons of the human duodenum and colon. Development of motilin receptor agonists and antagonists may be useful in the treatment of multiple disorders of GI motility.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feighner, S D -- Tan, C P -- McKee, K K -- Palyha, O C -- Hreniuk, D L -- Pong, S S -- Austin, C P -- Figueroa, D -- MacNeil, D -- Cascieri, M A -- Nargund, R -- Bakshi, R -- Abramovitz, M -- Stocco, R -- Kargman, S -- O'Neill, G -- Van Der Ploeg, L H -- Evans, J -- Patchett, A A -- Smith, R G -- Howard, A D -- New York, N.Y. -- Science. 1999 Jun 25;284(5423):2184-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Metabolic Disorders, Department of Medicinal Chemistry, Merck Research Laboratories, Building RY-80Y-265, 126 East Lincoln Avenue, Rahway, NJ 07065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10381885" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Amino Acid Sequence ; Base Sequence ; Binding Sites ; Calcium/metabolism ; Cell Line ; Chromosome Mapping ; Chromosomes, Human, Pair 13 ; Cloning, Molecular ; Colon/*metabolism ; Erythromycin/metabolism ; GTP-Binding Proteins/metabolism ; Humans ; In Situ Hybridization ; Intestine, Small/*metabolism ; Ligands ; Molecular Sequence Data ; Motilin/analogs & derivatives/*metabolism ; Receptors, Gastrointestinal Hormone/*chemistry/*genetics/metabolism ; Receptors, Neuropeptide/*chemistry/*genetics/metabolism ; Stomach/*metabolism ; Thyroid Gland/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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  • 14
    Publication Date: 1997-11-21
    Description: The hypothesis that quiescent CD4+ T lymphocytes carrying proviral DNA provide a reservoir for human immunodeficiency virus-type 1 (HIV-1) in patients on highly active antiretroviral therapy (HAART) was examined. In a study of 22 patients successfully treated with HAART for up to 30 months, replication-competent virus was routinely recovered from resting CD4+ T lymphocytes. The frequency of resting CD4+ T cells harboring latent HIV-1 was low, 0.2 to 16.4 per 10(6) cells, and, in cross-sectional analysis, did not decrease with increasing time on therapy. The recovered viruses generally did not show mutations associated with resistance to the relevant antiretroviral drugs. This reservoir of nonevolving latent virus in resting CD4+ T cells should be considered in deciding whether to terminate treatment in patients who respond to HAART.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Finzi, D -- Hermankova, M -- Pierson, T -- Carruth, L M -- Buck, C -- Chaisson, R E -- Quinn, T C -- Chadwick, K -- Margolick, J -- Brookmeyer, R -- Gallant, J -- Markowitz, M -- Ho, D D -- Richman, D D -- Siliciano, R F -- AI23871/AI/NIAID NIH HHS/ -- AI27670/AI/NIAID NIH HHS/ -- AI28108/AI/NIAID NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1997 Nov 14;278(5341):1295-300.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9360927" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-HIV Agents/pharmacology/*therapeutic use ; CD4-Positive T-Lymphocytes/immunology/*virology ; Cell Separation ; Cross-Sectional Studies ; Drug Resistance, Microbial/genetics ; Drug Therapy, Combination ; HIV Infections/*drug therapy/*virology ; HIV-1/drug effects/genetics/isolation & purification/*physiology ; Humans ; Immunologic Memory ; Lymphocyte Activation ; Mutation ; Proviruses/physiology ; RNA, Viral/blood ; Time Factors ; Viral Load ; Viremia ; Virus Integration ; *Virus Latency ; *Virus Replication
    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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  • 15
    Publication Date: 1997-07-11
    Description: Niemann-Pick type C (NP-C) disease, a fatal neurovisceral disorder, is characterized by lysosomal accumulation of low density lipoprotein (LDL)-derived cholesterol. By positional cloning methods, a gene (NPC1) with insertion, deletion, and missense mutations has been identified in NP-C patients. Transfection of NP-C fibroblasts with wild-type NPC1 cDNA resulted in correction of their excessive lysosomal storage of LDL cholesterol, thereby defining the critical role of NPC1 in regulation of intracellular cholesterol trafficking. The 1278-amino acid NPC1 protein has sequence similarity to the morphogen receptor PATCHED and the putative sterol-sensing regions of SREBP cleavage-activating protein (SCAP) and 3-hydroxy-3-methyl-glutaryl coenzyme A (HMG-CoA) reductase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carstea, E D -- Morris, J A -- Coleman, K G -- Loftus, S K -- Zhang, D -- Cummings, C -- Gu, J -- Rosenfeld, M A -- Pavan, W J -- Krizman, D B -- Nagle, J -- Polymeropoulos, M H -- Sturley, S L -- Ioannou, Y A -- Higgins, M E -- Comly, M -- Cooney, A -- Brown, A -- Kaneski, C R -- Blanchette-Mackie, E J -- Dwyer, N K -- Neufeld, E B -- Chang, T Y -- Liscum, L -- Strauss, J F 3rd -- Ohno, K -- Zeigler, M -- Carmi, R -- Sokol, J -- Markie, D -- O'Neill, R R -- van Diggelen, O P -- Elleder, M -- Patterson, M C -- Brady, R O -- Vanier, M T -- Pentchev, P G -- Tagle, D A -- New York, N.Y. -- Science. 1997 Jul 11;277(5323):228-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9211849" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Carrier Proteins ; Cholesterol/*metabolism ; Cholesterol, LDL/metabolism ; Chromosome Mapping ; Chromosomes, Human, Pair 18 ; Cloning, Molecular ; *Drosophila Proteins ; Homeostasis ; Humans ; Hydroxymethylglutaryl CoA Reductases/chemistry ; Insect Proteins/chemistry ; Intracellular Signaling Peptides and Proteins ; Lysosomes/metabolism ; *Membrane Glycoproteins ; Membrane Proteins/chemistry ; Molecular Sequence Data ; Mutation ; Niemann-Pick Diseases/*genetics/metabolism ; Polymorphism, Single-Stranded Conformational ; Proteins/chemistry/*genetics/physiology ; Receptors, Cell Surface/chemistry ; Sequence Homology, Amino Acid ; Transfection
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
    Publication Date: 1996-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schuler, G D -- Boguski, M S -- Hudson, T J -- Hui, L -- Ma, J -- Castle, A B -- Wu, X -- Silva, J -- Nusbaum, H C -- Birren, B B -- Slonim, D K -- Rozen, S -- Stein, L D -- Page, D -- Lander, E S -- Stewart, E A -- Aggarwal, A -- Bajorek, E -- Brady, S -- Chu, S -- Fang, N -- Hadley, D -- Harris, M -- Hussain, S -- Hudson, J R Jr -- New York, N.Y. -- Science. 1996 Oct 25;274(5287):547-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8928009" target="_blank"〉PubMed〈/a〉
    Keywords: *Chromosome Mapping ; DNA, Complementary/genetics ; Gene Expression ; Gene Library ; Genetic Diseases, Inborn/genetics ; Genetic Markers ; *Genome, Human ; *Human Genome Project ; Humans ; RNA, Messenger/genetics ; Sequence Tagged Sites
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  • 17
    Publication Date: 1996-11-22
    Description: Despite its high prevalence, very little is known regarding genetic predisposition to prostate cancer. A genome-wide scan performed in 66 high-risk prostate cancer families has provided evidence of linkage to the long arm of chromosome 1 (1q24-25). Analysis of an additional set of 25 North American and Swedish families with markers in this region resulted in significant evidence of linkage in the combined set of 91 families. The data provide strong evidence of a major prostate cancer susceptibility locus on chromosome 1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, J R -- Freije, D -- Carpten, J D -- Gronberg, H -- Xu, J -- Isaacs, S D -- Brownstein, M J -- Bova, G S -- Guo, H -- Bujnovszky, P -- Nusskern, D R -- Damber, J E -- Bergh, A -- Emanuelsson, M -- Kallioniemi, O P -- Walker-Daniels, J -- Bailey-Wilson, J E -- Beaty, T H -- Meyers, D A -- Walsh, P C -- Collins, F S -- Trent, J M -- Isaacs, W B -- CA58236/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1996 Nov 22;274(5291):1371-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Human Genome Research, National Institutes of Health, Bethesda, MD, USA. jtrent@nchgr.nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8910276" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; *Chromosome Mapping ; *Chromosomes, Human, Pair 1 ; Dinucleotide Repeats ; *Genes ; Genetic Linkage ; Genetic Markers ; Genetic Predisposition to Disease ; Humans ; Likelihood Functions ; Male ; Middle Aged ; North America ; Oncogenes ; Pedigree ; Prostatic Neoplasms/*genetics ; Risk Factors ; Statistics, Nonparametric ; Sweden
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
    Publication Date: 1996-06-14
    Description: Analyses of fossil mammal faunas from 2945 localities in the United States demonstrate that the geographic ranges of individual species shifted at different times, in different directions, and at different rates in response to late Quaternary environmental fluctuations. The geographic pattern of faunal provinces was similar for the late Pleistocene and late Holocene, but differing environmental gradients resulted in dissimilar species composition for these biogeographic regions. Modern community patterns emerged only in the last few thousand years, and many late Pleistocene communities do not have modern analogs. Faunal heterogeneity was greater in the late Pleistocene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graham -- Lundelius Jr -- Schroeder -- Toomey III -- Anderson -- Barnosky -- Burns -- Churcher -- Grayson -- Guthrie -- Harington -- Jefferson -- Martin -- McDonald -- Morlan -- Semken Jr -- Webb -- Werdelin -- Wilson -- New York, N.Y. -- Science. 1996 Jun 14;272(5268):1601-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉R. W. Graham, M. A. Graham, E. K. Schroeder, and R. S. Toomey III are at Research and Collections Center, Illinois State Museum, 1011 East Ash, Springfield, IL 62703, USA. E. L. Lundelius Jr., Department of Geological Sciences, University of Texas, Austin, TX 78712, USA. E. Anderson, Denver Museum of Natural History, Denver, CO 80205, USA. A. D. Barnosky, Mountain Research Center, Montana State University, Bozeman, MT 59715, USA. J. A. Burns, Provincial Museum of Alberta, Edmonton, Alberta, Canada T5N 0M6. C. S. Churcher, Department of Zoology, University of Toronto, Toronto, Ontario, Canada M5S 1A1. D. K. Grayson, Department of Anthropology, University of Washington, Seattle, WA 98195, USA. R. D. Guthrie, Department of Biology, University of Alaska, Fairbanks, AK 99701, USA. C. R. Harington, Earth Sciences Section (Paleobiology), Canadian Museum of Nature, Ottawa, Ontario, Canada K1P 6P4. G. T. Jefferson, Anza-Borrego Desert State Park, 200 Palm Canyon Drive, Borrego Springs, CA 92004, USA. L. D. Martin, Museum of Natural History, University of Kansas, Lawrence, KS 66045, USA. H. G. McDonald, Hagerman Fossil Beds National Monument, Post Office Box 570, Hagerman, ID 83332, USA. R. E. Morlan, Canadian Museum of Civilization, Post Office Box 3100 Station B, Hull, Quebec, Canada J8X 4H2. H. A. Semken Jr., Department of Geology, University of Iowa, Iowa City, IA 52242, USA. S. D. Webb, Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA. L. Werdelin, Department of Paleozoology, Swedish Museum, Box 50007, S-104 05 Stockholm, Sweden. M. C. Wilson, Department of Archaeology, Simon Fraser University, Burnaby, BC, Canada V5A 1S6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8662471" target="_blank"〉PubMed〈/a〉
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  • 19
    Publication Date: 1982-06-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baltimore, D -- Berg, P -- Bloch, K E -- Brown, D D -- Kornberg, A -- Nathans, D -- Smith, H O -- Watson, J D -- Thomas, L -- New York, N.Y. -- Science. 1982 Jun 4;216(4550):1046.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17808459" target="_blank"〉PubMed〈/a〉
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  • 20
    Publication Date: 1982-01-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strehler, B L -- Abraham, S -- Bayreuther, K -- Bienenstock, A -- Binstock, R -- Birren, J -- Blumenthal, H T -- Brautbar, C -- Brody, E M -- Brody, H -- Comfort, A -- Cottle, R W -- Danielli, J F -- Danon, D -- Datan, N -- Ebbesen, P -- Elsen, A -- Freundt, E A -- Gallop, P M -- Girardi, A J -- Glenn, P F -- Goheen, J D -- Goldstein, S -- Good, R A -- Goodlin, R C -- Granoff, A -- Gray, A -- Haber, P A -- Hamparian, V V -- Hijmans, W -- Holliday, R -- Horvath, S M -- Houck, J C -- Huebner, R J -- Itoh, H -- Jukes, T -- Kaplan, H S -- Kirkman, H -- Kuwert, E -- Leiderman, P H -- Liss, A -- Litwin, J -- Lubin, B -- Macieira-Coelho, A -- Madoff, S -- Maletta, G J -- Maramorosch, K -- Martin, G M -- Masover, G -- Matsumura, T -- Medvedev, Z -- Melnick, J L -- Merchant, D J -- Namba, M -- Neter, E -- Neugarten, B -- Orgel, L -- Outschoorn, A S -- Pace, D M -- Packer, L -- Parker, J C -- Patterson, M D Jr -- Pollard, M -- Portnuff, J -- Razin, S -- Reiff, T R -- Robert, L -- Rockstein, M -- Rosamoff, H -- Rosanoff, E I -- Rottem, S -- Schachter, J -- Schwartz, H -- Shanas, E -- Shimkin, M B -- Smith, J R -- Somerson, N L -- Stinebring, W -- Textor, R -- Thomas, L -- Viidik, A -- Weg, R -- Yabrov, A -- Yanofsky, C -- Zatz, L M -- New York, N.Y. -- Science. 1982 Jan 15;215(4530):240-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17784330" target="_blank"〉PubMed〈/a〉
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