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  • 1
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    Suppression of aging in mice by the hormone Klotho (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-08-27
    Description: A defect in Klotho gene expression in mice accelerates the degeneration of multiple age-sensitive traits. Here, we show that overexpression of Klotho in mice extends life span. Klotho protein functions as a circulating hormone that binds to a cell-surface receptor and represses intracellular signals of insulin and insulin-like growth factor 1 (IGF1), an evolutionarily conserved mechanism for extending life span. Alleviation of aging-like phenotypes in Klotho-deficient mice was observed by perturbing insulin and IGF1 signaling, suggesting that Klotho-mediated inhibition of insulin and IGF1 signaling contributes to its anti-aging properties. Klotho protein may function as an anti-aging hormone in mammals.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2536606/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2536606/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kurosu, Hiroshi -- Yamamoto, Masaya -- Clark, Jeremy D -- Pastor, Johanne V -- Nandi, Animesh -- Gurnani, Prem -- McGuinness, Owen P -- Chikuda, Hirotaka -- Yamaguchi, Masayuki -- Kawaguchi, Hiroshi -- Shimomura, Iichiro -- Takayama, Yoshiharu -- Herz, Joachim -- Kahn, C Ronald -- Rosenblatt, Kevin P -- Kuro-o, Makoto -- R01 AG019712/AG/NIA NIH HHS/ -- R01 AG019712-05/AG/NIA NIH HHS/ -- R01 AG025326/AG/NIA NIH HHS/ -- R01 AG025326-03/AG/NIA NIH HHS/ -- R01AG19712/AG/NIA NIH HHS/ -- R01AG25326/AG/NIA NIH HHS/ -- R37 HL063762/HL/NHLBI NIH HHS/ -- U24 DK059637/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2005 Sep 16;309(5742):1829-33. Epub 2005 Aug 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Texas (UT) Southwestern Medical Center at Dallas, 5323 Harry Hines Bouleuvard, Dallas, TX 75390-9072, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16123266" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/genetics/*physiology ; Animals ; Blood Glucose/analysis ; Cell Line ; Cell Line, Tumor ; Eating ; Female ; Glucuronidase ; Insulin/blood/metabolism ; Insulin Resistance ; Insulin-Like Growth Factor I/metabolism/pharmacology ; Ligands ; Longevity/genetics/*physiology ; Male ; Membrane Proteins/chemistry/*genetics/pharmacology/*physiology ; Mice ; Mice, Transgenic ; Myoblasts/metabolism ; Oxygen Consumption ; Peptide Fragments/chemistry/pharmacology ; Phosphorylation ; Receptor, IGF Type 1/metabolism ; Receptor, Insulin/metabolism ; Receptors, Cell Surface/metabolism ; Recombinant Proteins/chemistry/isolation & purification/metabolism ; Signal Transduction
    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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    Inhibition of hepatic chylomicron remnant uptake by gene transfer of a receptor antagonist (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-06-03
    Description: The low density lipoprotein receptor-related protein (LRP) has been proposed to mediate in concert with the LDL receptor (LDLR) the uptake of dietary lipoproteins into the hepatocytes. This hypothesis was tested by transient inactivation of LRP in vivo. Receptor-associated protein (RAP), a dominant negative regulator of LRP function, was transferred by an adenoviral vector to the livers of mice lacking LDLR (LDLR-/-). The inactivation of LRP by RAP was associated with a marked accumulation of chylomicron remnants in LDLR-/- mice and to a lesser degree in normal mice, suggesting that both LDLR and LRP are involved in remnant clearance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willnow, T E -- Sheng, Z -- Ishibashi, S -- Herz, J -- HL20948/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1994 Jun 3;264(5164):1471-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics, University of Texas Southwestern Medical Center, Dallas 75235.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7515194" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviridae/genetics ; Animals ; Apolipoprotein B-48 ; Apolipoproteins B/*metabolism ; Carrier Proteins/genetics/*physiology ; Cholesterol/blood ; Chylomicrons/blood/*metabolism ; Gene Transfer Techniques ; Genetic Vectors ; Glycoproteins/genetics/*physiology ; LDL-Receptor Related Protein-Associated Protein ; Liver/*metabolism ; Low Density Lipoprotein Receptor-Related Protein-1 ; Male ; Mice ; Mice, Inbred C57BL ; Receptors, Immunologic/antagonists & inhibitors/*metabolism ; Receptors, LDL/metabolism ; Triglycerides/blood ; alpha-Macroglobulins/metabolism
    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
    Copolymerization in the crystalline solid state (1968)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science: Macromolecular Reviews 3 (1968), S. 1-48 
    Details
    ISSN: 0076-2083
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 33 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1968.230030101
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  • 4
    Electronic Resource
    Electronic Resource
    Copolymerization of vinyl and cyclic monomers in the solid state (1967)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 110 (1967), S. 173-179 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Es wurde das polymere Produkt untersucht, das durch γ-Bestrahlung der sorgfältig getrckneten, eutektischen Mischungen von Styrol und β-Propiolacton erhalten wurde. Die Mischungen wurden wenige Grade unterhalb ihres Schmelzpunktes in evakuierten und abgeschmolzenen Gefäßen bestrahlt. Es wurden keine Copolymeren erhalten, sondern nur Gemische von Homopolyimeren. Im Falle der γ-Bestrahlung eines festen Gemisches von Acrylnitril und β-Propiolacton ergaben sich jedoch Hinweise, die eine frühere Behauptung, daß unter diesen Bedingungen Copolymere erhalten wurden, unterstützten.
    Notes: A study has been made of the polymeric product obtained by exposure to γ-rays of carefully dried eutectic mixtures of styrene and β-propiolactone which were sealed in vacuum and maintained at a few degrees below the melting point. No copolymer was formed, only a mixture of homopolymers. However, evidence was obtained which supports an earlier claim that a copolymer is formed by γ-irradiation of a solid mixture of acrylonitrile and β-propiolac tone.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1967.021100117
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  • 5
    Electronic Resource
    Electronic Resource
    Synthèse de copolymères multiséquencés comportant des séquences cristallines organosiliciques (1989)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 165 (1989), S. 181-196 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Multiblock copolymers involving crystallizable blocks of poly(1-dimethylsilyl-4-dimethylethylenesilyl benzene) and blocks of either polystyrene (PS) or poly(ethyleneoxide) (PEO) were prepared by hydrosilylation reaction between α,ω-difunctional precursor polymers. The organosilicic precursor was fitted at both chain-ends with dimethylsilane functions. The reactive end groups of the PS or PEO precursors were silvinylic functions attached to the polymer chains through chemical groups of the same nature as the monomer unit of the crystallizable block. In this case, and under adequate stoichiometric conditions the hydrosilylation reaction between functional chain ends is possible and yields multiblock copolymers containing 6 to 10 blocks.
    Notes: Des copolymères multiséquencés comportant des séquences cristallisables de poly(diméthylsilyl-1 diméthyléthylènesilyl-4 benzène) et des séquences, soit de polystryrène (PS), soit de poly(oxyéthylène) (POE), ont été préparés par réaction d'hydrosilylation entre polymères précurseurs, α,ω-difonctionnels. Le polymère organosilicique utilisé portait des fonctions diméthylsilane aux deux extrémités de sa chaîne. Les polymères précurseurs PS et POE étaient dotés aux deux extrémités de leur chaîne de fonctions silvinyliques portées par un motif chimique de même nature que celle de l'unité monomère de la séquence organosilicique. Dans des conditions expérimentales adéquates, la réaction d'hydrosilylation conduit alors à des copolymères multiséquencés comportant 6 à 10 séquences.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1989.051650115
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  • 6
    Electronic Resource
    Electronic Resource
    Spectrum of light scattered from viscoelastic gels (1976)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Physics Edition 14 (1976), S. 1097-1109 
    Details
    ISSN: 0098-1273
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Spectra of polarized light scattered from model networks of polystyrene swollen by benzene have been measured by optical mixing spectroscopy. Various series of networks of different functionalities and different lengths of the elastic chain elements have been investigated. A theoretical expression for the characteristic time constant of fluctuations has been derived from rubber elasticity theory. An analysis of the experimental results within the framework of this theory allows determination of the frictional constants of the gels.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1976.180140612
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  • 7
    Electronic Resource
    Electronic Resource
    The solid-state polymerization of trithiane (1966)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Letters 4 (1966), S. 995-997 
    Details
    ISSN: 0449-2986
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1966.110041215
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