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  • 1995-1999  (50)
  • 1970-1974  (31)
  • 1940-1944  (12)
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  • 1
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    PTEN, a putative protein tyrosine phosphatase gene mutated in human brain, breast, and prostate cancer (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-03-28
    Description: Mapping of homozygous deletions on human chromosome 10q23 has led to the isolation of a candidate tumor suppressor gene, PTEN, that appears to be mutated at considerable frequency in human cancers. In preliminary screens, mutations of PTEN were detected in 31% (13/42) of glioblastoma cell lines and xenografts, 100% (4/4) of prostate cancer cell lines, 6% (4/65) of breast cancer cell lines and xenografts, and 17% (3/18) of primary glioblastomas. The predicted PTEN product has a protein tyrosine phosphatase domain and extensive homology to tensin, a protein that interacts with actin filaments at focal adhesions. These homologies suggest that PTEN may suppress tumor cell growth by antagonizing protein tyrosine kinases and may regulate tumor cell invasion and metastasis through interactions at focal adhesions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, J -- Yen, C -- Liaw, D -- Podsypanina, K -- Bose, S -- Wang, S I -- Puc, J -- Miliaresis, C -- Rodgers, L -- McCombie, R -- Bigner, S H -- Giovanella, B C -- Ittmann, M -- Tycko, B -- Hibshoosh, H -- Wigler, M H -- Parsons, R -- 5R35 CA39829/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1997 Mar 28;275(5308):1943-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, College of Physicians & Surgeons, Columbia University, 630 West 168 Street, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9072974" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Brain Neoplasms/genetics ; Breast Neoplasms/genetics ; Chromosome Mapping ; *Chromosomes, Human, Pair 10 ; Female ; Frameshift Mutation ; *Genes, Tumor Suppressor ; Glioblastoma/genetics ; Humans ; Male ; Microfilament Proteins/chemistry ; Molecular Sequence Data ; *Mutation ; Neoplasm Transplantation ; Neoplasms/*genetics ; PTEN Phosphohydrolase ; *Phosphoric Monoester Hydrolases ; Phosphotyrosine/metabolism ; Prostatic Neoplasms/genetics ; Protein Tyrosine Phosphatases/chemistry/*genetics/physiology ; Protein-Tyrosine Kinases/antagonists & inhibitors ; Sequence Deletion ; Sequence Homology, Amino Acid ; Transplantation, Heterologous ; Tumor Cells, Cultured ; *Tumor Suppressor Proteins
    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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    Chaperone function of Hsp90-associated proteins (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-12-06
    Description: The Hsp90 heat shock protein of eukaryotic cells regulates the activity of proteins involved in signal transduction pathways and may direct intracellular protein folding in general. Hsp90 performs at least part of its function in a complex with a specific set of partner proteins that include members of the prolyl isomerase family. The properties of the major components of the Hsp90 complex were examined through the use of in vitro protein folding assays. Two of the components, FKBP52 and p23, functioned as mechanistically distinct molecular chaperones. These results suggest the existence of a super-chaperone complex in the cytosol of eukaryotic cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bose, S -- Weikl, T -- Bugl, H -- Buchner, J -- New York, N.Y. -- Science. 1996 Dec 6;274(5293):1715-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut fur Biophysik und Physikalische Biochemie, Universitat Regensburg, 93040 Regensburg, Germany. johannes.buchner@biologie.uni-regensburg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8939863" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Isomerases/antagonists & inhibitors/metabolism ; Carrier Proteins/antagonists & inhibitors/metabolism/pharmacology/*physiology ; Citrate (si)-Synthase/*chemistry ; DNA-Binding Proteins/metabolism/pharmacology/*physiology ; Drosophila Proteins ; Enzyme Inhibitors/pharmacology ; HSP90 Heat-Shock Proteins/metabolism/*physiology ; Heat-Shock Proteins/metabolism/pharmacology/*physiology ; Intramolecular Oxidoreductases ; Janus Kinases ; Molecular Chaperones/metabolism/pharmacology/*physiology ; Peptidylprolyl Isomerase ; Phosphoproteins/metabolism/pharmacology/*physiology ; Polyenes/pharmacology ; Protein Denaturation ; *Protein Folding ; Protein-Tyrosine Kinases/metabolism/pharmacology ; Recombinant Proteins/metabolism ; Sirolimus ; Tacrolimus Binding Proteins ; Temperature ; Transcription Factors
    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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  • 3
    Electronic Resource
    Electronic Resource
    Projective representations of the 1+1-dimensional Poincaré group (1996)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 37 (1996), S. 2376-2387 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: The unitary irreducible representations of the central extension of the Poincaré group in 1+1 dimensions are constructed by an application of the Kirillov theory. These are then lifted to projective unitary irreducible representations of the Poincaré group. The 1+1 Galilean group is treated separately in an appendix. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.531516
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  • 4
    Electronic Resource
    Electronic Resource
    Representations of the (2+1)-dimensional Galilean group (1995)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 36 (1995), S. 875-890 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: Using the Mackey theory of induced representations, the unitary irreducible representations of the proper Galilean group in 2+1 space–time dimensions are constructed. All representations, both true as well as the projective ones, are found. The concomitant representations of the Lie algebra are given. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.531163
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  • 5
    Electronic Resource
    Electronic Resource
    Simple mechanical model for molecular geometry based on the Hellman-Feynman theorem. II. HAAH, BAAB, AB3, H2AB, and B2AC molecules (1974)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 96 (1974), S. 2044-2053 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00814a010
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  • 6
    Electronic Resource
    Electronic Resource
    Function of Plant Vacuoles (1944)
    [s.l.] : Nature Publishing Group
    Nature 154 (1944), S. 488-489 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PREVIOUSLY1, I put forward the view that pinkish vacuoles are receptacles of enzymes for synthesis of various food reserves in plants, lower as well as higher; in support of this I produced evidence of synthesis of food reserves around the pinkish vacuoles of pyrenoids in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/154488b0
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  • 7
    Electronic Resource
    Electronic Resource
    Effect of Inversion of a Small Piece from the Fruit-Body of Ganoderma lucidus (Leyss.) Karst. growing in situ on the Trunk of Casuarina equisetifolia (1940)
    [s.l.] : Nature Publishing Group
    Nature 145 (1940), S. 899-900 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BRACKET-SHAPED sporophores of Ganoderma lucidus were growing on the trunk of an old tree of Casuarina equisetifolia in the Royal Botanical Gardens, Sibpur (Calcutta) in front of the superintendent's quarters on the bank of the Ganges. From each of the two sporophores, one growing over the other ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/145899b0
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  • 8
    Electronic Resource
    Electronic Resource
    Moisture-Relation as a Determining Factor in the Transformation of the Basidia of Certain Polyporaceæ (1940)
    [s.l.] : Nature Publishing Group
    Nature 145 (1940), S. 706-706 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BASIDIA of many Polyporaceæ at the end of the rainy season and during intervals between two showers of rain have been observed to be gradually transformed into hyphal elongations with terminal spores that are exactly like basidiospores. Conversely, on the advent of rain in the middle of a dry ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/145706a0
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  • 9
    Electronic Resource
    Electronic Resource
    Function of Pyrenoids in Algæ (1941)
    [s.l.] : Nature Publishing Group
    Nature 148 (1941), S. 440-441 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THOUGH attempts have been made from time to time to explain the function of pyrenoids in Algæ, exact knowledge on the point is lacking. Usually starch is deposited around the pyrenoids in a good many Chlorophyceæ, and G. M. Smith1 holds that pyrenoids synthesize starch. In ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/148440a0
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  • 10
    Electronic Resource
    Electronic Resource
    The galilean group in 2+1 space-times and its central extension (1995)
    Springer
    Communications in mathematical physics 169 (1995), S. 385-395 
    Details
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract The problem of constructing the central extensions, by the circle group, of the group of Galilean transformations in two spatial dimensions; as well as that of its universal covering group, is solved. Also solved is the problem of the central extension of the corresponding Lie algebra. We find that the Lie algebra has a three parameter family of central extensions, as does the simply-connected group corresponding to the Lie algebra. The Galilean group itself has a two parameter family of central extensions. A corollary of our result is the impossibility of the appearance of non-integer-valued angular momentum for systems possessing Galilean invariance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02099478
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