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  • Mice  (6)
  • Binding Sites  (3)
  • Mutation
  • 1995-1999  (11)
  • 1998  (11)
  • 1
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    Molecular mimicry by herpes simplex virus-type 1: autoimmune disease after viral infection (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-21
    Description: Viral infection is sometimes associated with the initiation or exacerbation of autoimmune disease, although the underlying mechanisms remain unclear. One proposed mechanism is that viral determinants that mimic host antigens trigger self-reactive T cell clones to destroy host tissue. An epitope expressed by a coat protein of herpes simplex virus-type 1 (HSV-1) KOS strain has now been shown to be recognized by autoreactive T cells that target corneal antigens in a murine model of autoimmune herpes stromal keratitis. Mutant HSV-1 viruses that lacked this epitope did not induce autoimmune disease. Thus, expression of molecular mimics can influence the development of autoimmune disease after viral infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Z S -- Granucci, F -- Yeh, L -- Schaffer, P A -- Cantor, H -- AI 37562/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1998 Feb 27;279(5355):1344-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Harvard Medical School, and Department of Cancer Immunology and AIDS, Dana-Farber Cancer Institute, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9478893" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Amino Acid Sequence ; Animals ; Autoantigens/immunology ; Autoimmune Diseases/*immunology ; CD4-Positive T-Lymphocytes/immunology ; Capsid/chemistry/genetics/*immunology ; *Capsid Proteins ; Cornea/*immunology ; Epitopes ; Eye Proteins/immunology ; Herpesvirus 1, Human/*immunology ; Keratitis, Herpetic/*immunology ; Lymphocyte Activation ; Mice ; Mice, Inbred BALB C ; Mice, Nude ; Mice, SCID ; *Molecular Mimicry ; Molecular Sequence Data ; Mutagenesis, Site-Directed ; Oligopeptides/immunology ; Viral Proteins
    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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  • 2
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    IEX-1L, an apoptosis inhibitor involved in NF-kappaB-mediated cell survival (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-08-14
    Description: Transcription factors of the nuclear factor-kappaB/rel (NF-kappaB) family may be important in cell survival by regulating unidentified, anti-apoptotic genes. One such gene that protects cells from apoptosis induced by Fas or tumor necrosis factor type alpha (TNF), IEX-1L, is described here. Its transcription induced by TNF was decreased in cells with defective NF-kappaB activation, rendering them sensitive to TNF-induced apoptosis, which was abolished by transfection with IEX-1L. In support, overexpression of antisense IEX-1L partially blocked TNF-induced expression of IEX-1L and sensitized normal cells to killing. This study demonstrates a key role of IEX-1L in cellular resistance to TNF-induced apoptosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, M X -- Ao, Z -- Prasad, K V -- Wu, R -- Schlossman, S F -- AI12069/AI/NIAID NIH HHS/ -- P30AI28691/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1998 Aug 14;281(5379):998-1001.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Tumor Immunology, Dana-Farber Cancer Institute, and the Department of Medicine, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9703517" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD95/physiology ; Apoptosis/genetics/*physiology ; Apoptosis Regulatory Proteins ; Cell Line ; Cell Survival ; Cloning, Molecular ; DNA, Antisense/genetics ; Gene Expression Regulation ; Genetic Vectors ; Humans ; Immediate-Early Proteins/genetics/*physiology ; Jurkat Cells ; Membrane Glycoproteins/genetics/*physiology ; Membrane Proteins ; Mice ; NF-kappa B/*physiology ; *Neoplasm Proteins ; Transfection ; Tumor Necrosis Factor-alpha/physiology
    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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    Rad53 FHA domain associated with phosphorylated Rad9 in the DNA damage checkpoint (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-10
    Description: The Rad53 protein kinase of Saccharomyces cerevisiae is required for checkpoints that prevent cell division in cells with damaged or incompletely replicated DNA. The Rad9 protein was phosphorylated in response to DNA damage, and phosphorylated Rad9 interacted with the COOH-terminal forkhead homology-associated (FHA) domain of Rad53. Inactivation of this domain abolished DNA damage-dependent Rad53 phosphorylation, G2/M cell cycle phase arrest, and increase of RNR3 transcription but did not affect replication inhibition-dependent Rad53 phosphorylation. Thus, Rad53 integrates DNA damage signals by coupling with phosphorylated Rad9. The hitherto uncharacterized FHA domain appears to be a modular protein-binding domain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Z -- Hsiao, J -- Fay, D S -- Stern, D F -- New York, N.Y. -- Science. 1998 Jul 10;281(5374):272-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Yale University, New Haven, CT 06511, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9657725" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Cell Cycle Proteins ; Checkpoint Kinase 2 ; *DNA Damage ; DNA Replication/drug effects ; Fungal Proteins/*metabolism ; G2 Phase ; Hydroxyurea/pharmacology ; Methyl Methanesulfonate/pharmacology ; Mitosis ; Mutation ; Oligopeptides ; Peptides ; Phosphorylation ; Protein Kinases/chemistry/genetics/*metabolism ; *Protein-Serine-Threonine Kinases ; Saccharomyces cerevisiae/cytology/*metabolism ; *Saccharomyces cerevisiae Proteins ; 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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  • 4
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    Role of farnesyltransferase in ABA regulation of guard cell anion channels and plant water loss (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-09
    Description: Desiccation of plants during drought can be detrimental to agricultural production. The phytohormone abscisic acid (ABA) reduces water loss by triggering stomatal pore closure in leaves, a process requiring ion-channel modulation by cytoplasmic proteins. Deletion of the Arabidopsis farnesyltransferase gene ERA1 or application of farnesyltransferase inhibitors resulted in ABA hypersensitivity of guard cell anion-channel activation and of stomatal closing. ERA1 was expressed in guard cells. Double-mutant analyses of era1 with the ABA-insensitive mutants abi1 and abi2 showed that era1 suppresses the ABA-insensitive phenotypes. Moreover, era1 plants exhibited a reduction in transpirational water loss during drought treatment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pei, Z M -- Ghassemian, M -- Kwak, C M -- McCourt, P -- Schroeder, J I -- New York, N.Y. -- Science. 1998 Oct 9;282(5387):287-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology and Center for Molecular Genetics, University of California, San Diego, La Jolla, CA 92093-0116, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9765153" target="_blank"〉PubMed〈/a〉
    Keywords: Abscisic Acid/*metabolism/pharmacology ; Alkyl and Aryl Transferases/antagonists & inhibitors/genetics/*metabolism ; Anions ; Arabidopsis/cytology/genetics/*metabolism ; *Arabidopsis Proteins ; Enzyme Inhibitors/pharmacology ; Farnesol/analogs & derivatives/pharmacology ; Gene Deletion ; Gene Expression ; Genes, Plant ; Ion Channels/*metabolism ; Mutation ; Organophosphonates/pharmacology ; Patch-Clamp Techniques ; Phosphoprotein Phosphatases/genetics/metabolism ; Plant Leaves/cytology/genetics/metabolism ; Plants, Genetically Modified ; Polyenes/pharmacology ; Polyunsaturated Alkamides ; Protein Prenylation ; Signal Transduction ; Water/*metabolism
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  • 5
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    Identification of LFA-1 as a candidate autoantigen in treatment-resistant Lyme arthritis (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-31
    Description: Treatment-resistant Lyme arthritis is associated with immune reactivity to outer surface protein A (OspA) of Borrelia burgdorferi, the agent of Lyme disease, and the major histocompatibility complex class II allele DRB1*0401. The immunodominant epitope of OspA for T helper cells was identified. A homology search revealed a peptide from human leukocyte function-associated antigen-1 (hLFA-1) as a candidate autoantigen. Individuals with treatment-resistant Lyme arthritis, but not other forms of arthritis, generated responses to OspA, hLFA-1, and their highly related peptide epitopes. Identification of the initiating bacterial antigen and a cross-reactive autoantigen may provide a model for development of autoimmune disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gross, D M -- Forsthuber, T -- Tary-Lehmann, M -- Etling, C -- Ito, K -- Nagy, Z A -- Field, J A -- Steere, A C -- Huber, B T -- R01 AR20358/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Jul 31;281(5377):703-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Tufts University, Boston, MA 02111 USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9685265" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Algorithms ; Amino Acid Sequence ; Animals ; Antigen Presentation ; Antigens, Surface/immunology/metabolism ; Arthritis, Reactive/drug therapy/*immunology ; Autoantigens/*immunology ; Autoimmune Diseases/*immunology ; Bacterial Outer Membrane Proteins/immunology/metabolism ; Bacterial Vaccines ; Borrelia burgdorferi Group/immunology ; Child ; Cross Reactions ; Female ; HLA-DR Antigens/genetics/immunology/metabolism ; HLA-DRB1 Chains ; Humans ; Immunodominant Epitopes ; *Lipoproteins ; Lyme Disease/drug therapy/*immunology ; Lymphocyte Function-Associated Antigen-1/chemistry/*immunology/metabolism ; Male ; Mice ; Mice, Transgenic ; Molecular Sequence Data ; Synovial Fluid/immunology ; T-Lymphocytes, Helper-Inducer/immunology
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  • 6
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    Sequence-specific and phosphorylation-dependent proline isomerization: a potential mitotic regulatory mechanism (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-07
    Description: Pin1 is an essential and conserved mitotic peptidyl-prolyl isomerase (PPIase) that is distinct from members of two other families of conventional PPIases, cyclophilins and FKBPs (FK-506 binding proteins). In response to their phosphorylation during mitosis, Pin1 binds and regulates members of a highly conserved set of proteins that overlaps with antigens recognized by the mitosis-specific monoclonal antibody MPM-2. Pin1 is here shown to be a phosphorylation-dependent PPIase that specifically recognizes the phosphoserine-proline or phosphothreonine-proline bonds present in mitotic phosphoproteins. Both Pin1 and MPM-2 selected similar phosphorylated serine-proline-containing peptides, providing the basis for the specific interaction between Pin1 and MPM-2 antigens. Pin1 preferentially isomerized proline residues preceded by phosphorylated serine or threonine with up to 1300-fold selectivity compared with unphosphorylated peptides. Pin1 may thus regulate mitotic progression by catalyzing sequence-specific and phosphorylation-dependent proline isomerization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yaffe, M B -- Schutkowski, M -- Shen, M -- Zhou, X Z -- Stukenberg, P T -- Rahfeld, J U -- Xu, J -- Kuang, J -- Kirschner, M W -- Fischer, G -- Cantley, L C -- Lu, K P -- GM56203/GM/NIGMS NIH HHS/ -- GM56230/GM/NIGMS NIH HHS/ -- R01 GM056203/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1997 Dec 12;278(5345):1957-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine Beth Israel Deaconess Medical Center, Boston, MA 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9395400" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Isomerases/metabolism ; Antibodies, Monoclonal ; Binding Sites ; Carrier Proteins/metabolism ; Cell Cycle Proteins/chemistry/*metabolism ; DNA-Binding Proteins/metabolism ; Epitopes ; HeLa Cells ; Heat-Shock Proteins/metabolism ; Humans ; Isomerism ; *Mitosis ; Models, Molecular ; Oligopeptides/chemistry/*metabolism ; Peptide Library ; Peptidylprolyl Isomerase/chemistry/*metabolism ; Phosphoproteins/chemistry/immunology/*metabolism ; Phosphorylation ; Phosphoserine/metabolism ; Phosphothreonine/metabolism ; Proline/*metabolism ; Protein Conformation ; Recombinant Fusion Proteins/chemistry/metabolism ; Substrate Specificity ; Tacrolimus Binding Proteins
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  • 7
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    A cellular striptease act (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Werb, Z -- Yan, Y -- CA72006/CA/NCI NIH HHS/ -- HD26732/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1998 Nov 13;282(5392):1279-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy, University of California, San Francisco, CA 94143-0452, USA. zena@itsa.ucsf.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9867633" target="_blank"〉PubMed〈/a〉
    Keywords: ADAM Proteins ; Animals ; Catalytic Domain ; Cell Adhesion Molecules/metabolism ; Cell Membrane/*metabolism ; Growth Substances/metabolism ; L-Selectin/metabolism ; Ligands ; Membrane Proteins/*metabolism ; Metalloendopeptidases/chemistry/*metabolism ; Mice ; Models, Biological ; Receptor, Epidermal Growth Factor/metabolism ; Tumor Necrosis Factor-alpha/*metabolism
    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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  • 8
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    Bax and adenine nucleotide translocator cooperate in the mitochondrial control of apoptosis (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-09-25
    Description: The proapoptotic Bax protein induces cell death by acting on mitochondria. Bax binds to the permeability transition pore complex (PTPC), a composite proteaceous channel that is involved in the regulation of mitochondrial membrane permeability. Immunodepletion of Bax from PTPC or purification of PTPC from Bax-deficient mice yielded a PTPC that could not permeabilize membranes in response to atractyloside, a proapoptotic ligand of the adenine nucleotide translocator (ANT). Bax and ANT coimmunoprecipitated and interacted in the yeast two-hybrid system. Ectopic expression of Bax induced cell death in wild-type but not in ANT-deficient yeast. Recombinant Bax and purified ANT, but neither of them alone, efficiently formed atractyloside-responsive channels in artificial membranes. Hence, the proapoptotic molecule Bax and the constitutive mitochondrial protein ANT cooperate within the PTPC to increase mitochondrial membrane permeability and to trigger cell death.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marzo, I -- Brenner, C -- Zamzami, N -- Jurgensmeier, J M -- Susin, S A -- Vieira, H L -- Prevost, M C -- Xie, Z -- Matsuyama, S -- Reed, J C -- Kroemer, G -- New York, N.Y. -- Science. 1998 Sep 25;281(5385):2027-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉CNRS, UPR 420, 19 rue Guy Moquet, F-94801 Villejuif, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9748162" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Atractyloside/metabolism/pharmacology ; Binding Sites ; Bongkrekic Acid/metabolism/pharmacology ; Cyclosporine/pharmacology ; Dimerization ; HT29 Cells ; Humans ; Intracellular Membranes/physiology ; Liposomes ; Mice ; Mice, Inbred C57BL ; Mitochondria/*physiology ; Mitochondrial ADP, ATP Translocases/chemistry/*metabolism ; Permeability ; Proto-Oncogene Proteins/chemistry/genetics/*metabolism/pharmacology ; Proto-Oncogene Proteins c-bcl-2/pharmacology ; Rats ; Rats, Wistar ; Recombinant Proteins/pharmacology ; Saccharomyces cerevisiae/cytology/genetics ; Transfection ; bcl-2-Associated X Protein
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  • 9
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    Role of PML in cell growth and the retinoic acid pathway (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-21
    Description: The PML gene is fused to the retinoic acid receptor alpha (RARalpha) gene in chromosomal translocations associated with acute promyelocytic leukemia (APL). Ablation of murine PML protein by homologous recombination revealed that PML regulates hemopoietic differentiation and controls cell growth and tumorigenesis. PML function was essential for the tumor-growth-suppressive activity of retinoic acid (RA) and for its ability to induce terminal myeloid differentiation of precursor cells. PML was needed for the RA-dependent transactivation of the p21WAF1/CIP1 gene, which regulates cell cycle progression and cellular differentiation. These results indicate that PML is a critical component of the RA pathway and that disruption of its activity by the PML-RARalpha fusion protein may be important in APL pathogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Z G -- Delva, L -- Gaboli, M -- Rivi, R -- Giorgio, M -- Cordon-Cardo, C -- Grosveld, F -- Pandolfi, P P -- CA 71692/CA/NCI NIH HHS/ -- CA-08748/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1998 Mar 6;279(5356):1547-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics and Molecular Biology Program, Memorial Sloan-Kettering Cancer Center, Sloan-Kettering Division, Graduate School of Medical Sciences, Cornell University, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9488655" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis ; Cell Differentiation/drug effects ; *Cell Division ; Cell Transformation, Neoplastic ; Cells, Cultured ; Cyclin-Dependent Kinase Inhibitor p21 ; Cyclins/genetics ; Female ; Fibroblasts/cytology ; Gene Targeting ; Granulocytes/cytology ; Hematopoiesis ; Hematopoietic Stem Cells/cytology ; Leukemia, Promyelocytic, Acute/pathology ; Male ; Mice ; Monocytes/cytology ; Neoplasm Proteins/genetics/*physiology ; Neoplasms, Experimental/etiology ; *Nuclear Proteins ; Oncogene Proteins, Fusion/physiology ; Transcription Factors/genetics/*physiology ; Transcriptional Activation ; Tretinoin/pharmacology/*physiology ; Tumor Suppressor Proteins
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  • 10
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    Mutation-specific functional impairments in distinct tau isoforms of hereditary FTDP-17 (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-04
    Description: Tau proteins aggregate as cytoplasmic inclusions in a number of neurodegenerative diseases, including Alzheimer's disease and hereditary frontotemporal dementia and parkinsonism linked to chromosome 17 (FTDP-17). Over 10 exonic and intronic mutations in the tau gene have been identified in about 20 FTDP-17 families. Analyses of soluble and insoluble tau proteins from brains of FTDP-17 patients indicated that different pathogenic mutations differentially altered distinct biochemical properties and stoichiometry of brain tau isoforms. Functional assays of recombinant tau proteins with different FTDP-17 missense mutations implicated all but one of these mutations in disease pathogenesis by reducing the ability of tau to bind microtubules and promote microtubule assembly.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hong, M -- Zhukareva, V -- Vogelsberg-Ragaglia, V -- Wszolek, Z -- Reed, L -- Miller, B I -- Geschwind, D H -- Bird, T D -- McKeel, D -- Goate, A -- Morris, J C -- Wilhelmsen, K C -- Schellenberg, G D -- Trojanowski, J Q -- Lee, V M -- New York, N.Y. -- Science. 1998 Dec 4;282(5395):1914-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9836646" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Brain/*metabolism ; Cerebellum/metabolism ; Chromosomes, Human, Pair 17 ; Dementia/*genetics/metabolism ; Frontal Lobe/metabolism ; Humans ; Microtubules/*metabolism ; Mutation ; Mutation, Missense ; Parkinson Disease, Secondary/*genetics/metabolism ; Phosphorylation ; Protein Isoforms/chemistry/genetics/metabolism ; Recombinant Proteins/metabolism ; Solubility ; Syndrome ; tau Proteins/chemistry/*genetics/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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