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  • 1
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    Non-muscle myosin IIA is a functional entry receptor for herpes simplex virus-1 (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-10-15
    Description: Herpes simplex virus-1 (HSV-1), the prototype of the alpha-herpesvirus family, causes life-long infections in humans. Although generally associated with various mucocutaneous diseases, HSV-1 is also involved in lethal encephalitis. HSV-1 entry into host cells requires cellular receptors for both envelope glycoproteins B (gB) and D (gD). However, the gB receptors responsible for its broad host range in vitro and infection of critical targets in vivo remain unknown. Here we show that non-muscle myosin heavy chain IIA (NMHC-IIA), a subunit of non-muscle myosin IIA (NM-IIA), functions as an HSV-1 entry receptor by interacting with gB. A cell line that is relatively resistant to HSV-1 infection became highly susceptible to infection by this virus when NMHC-IIA was overexpressed. Antibody to NMHC-IIA blocked HSV-1 infection in naturally permissive target cells. Furthermore, knockdown of NMHC-IIA in the permissive cells inhibited HSV-1 infection as well as cell-cell fusion when gB, gD, gH and gL were coexpressed. Cell-surface expression of NMHC-IIA was markedly and rapidly induced during the initiation of HSV-1 entry. A specific inhibitor of myosin light chain kinase, which regulates NM-IIA by phosphorylation, reduced the redistribution of NMHC-IIA as well as HSV-1 infection in cell culture and in a murine model for herpes stromal keratitis. NMHC-IIA is ubiquitously expressed in various human tissues and cell types and, therefore, is implicated as a functional gB receptor that mediates broad HSV-1 infectivity both in vitro and in vivo. The identification of NMHC-IIA as an HSV-1 entry receptor and the involvement of NM-IIA regulation in HSV-1 infection provide an insight into HSV-1 entry and identify new targets for antiviral drug development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arii, Jun -- Goto, Hideo -- Suenaga, Tadahiro -- Oyama, Masaaki -- Kozuka-Hata, Hiroko -- Imai, Takahiko -- Minowa, Atsuko -- Akashi, Hiroomi -- Arase, Hisashi -- Kawaoka, Yoshihiro -- Kawaguchi, Yasushi -- England -- Nature. 2010 Oct 14;467(7317):859-62. doi: 10.1038/nature09420.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Viral Infection, Department of Infectious Disease Control, International Research Center for Infectious Diseases, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo 108-8639, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20944748" target="_blank"〉PubMed〈/a〉
    Keywords: Adsorption ; Animals ; Azepines/pharmacology ; CHO Cells ; Cell Fusion ; Cercopithecus aethiops ; Cricetinae ; Cricetulus ; Female ; Gene Knockdown Techniques ; HEK293 Cells ; HL-60 Cells ; Herpes Simplex/virology ; Herpesvirus 1, Human/drug effects/metabolism/*physiology ; Humans ; Mice ; Myosin-Light-Chain Kinase/antagonists & inhibitors ; Naphthalenes/pharmacology ; Nonmuscle Myosin Type IIA/deficiency/genetics/*metabolism ; Receptors, Virus/*metabolism ; Temperature ; Up-Regulation ; Vero Cells ; Viral Envelope Proteins/metabolism ; Virus Internalization/drug effects
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Innate lymphoid cells regulate intestinal epithelial cell glycosylation (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-09-13
    Description: Fucosylation of intestinal epithelial cells, catalyzed by fucosyltransferase 2 (Fut2), is a major glycosylation mechanism of host-microbiota symbiosis. Commensal bacteria induce epithelial fucosylation, and epithelial fucose is used as a dietary carbohydrate by many of these bacteria. However, the molecular and cellular mechanisms that regulate the induction of epithelial fucosylation are unknown. Here, we show that type 3 innate lymphoid cells (ILC3) induced intestinal epithelial Fut2 expression and fucosylation in mice. This induction required the cytokines interleukin-22 and lymphotoxin in a commensal bacteria-dependent and -independent manner, respectively. Disruption of intestinal fucosylation led to increased susceptibility to infection by Salmonella typhimurium. Our data reveal a role for ILC3 in shaping the gut microenvironment through the regulation of epithelial glycosylation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4774895/" 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/PMC4774895/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goto, Yoshiyuki -- Obata, Takashi -- Kunisawa, Jun -- Sato, Shintaro -- Ivanov, Ivaylo I -- Lamichhane, Aayam -- Takeyama, Natsumi -- Kamioka, Mariko -- Sakamoto, Mitsuo -- Matsuki, Takahiro -- Setoyama, Hiromi -- Imaoka, Akemi -- Uematsu, Satoshi -- Akira, Shizuo -- Domino, Steven E -- Kulig, Paulina -- Becher, Burkhard -- Renauld, Jean-Christophe -- Sasakawa, Chihiro -- Umesaki, Yoshinori -- Benno, Yoshimi -- Kiyono, Hiroshi -- 1R01DK098378/DK/NIDDK NIH HHS/ -- R01 DK098378/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2014 Sep 12;345(6202):1254009. doi: 10.1126/science.1254009. Epub 2014 Aug 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama 332-0012, Japan. Microbe Division/Japan Collection of Microorganisms, RIKEN BioResource Center, Tsukuba 305-0074, Japan. ; Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. Microbe Division/Japan Collection of Microorganisms, RIKEN BioResource Center, Tsukuba 305-0074, Japan. ; Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. Laboratory of Vaccine Materials, National Institute of Biomedical Innovation, Osaka 567-0085, Japan. Division of Mucosal Immunology, International Research and Development Center for Mucosal Vaccines, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. ; Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama 332-0012, Japan. ; Department of Microbiology and Immunology, Columbia University Medical Center, New York, NY 10032, USA. ; Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. ; Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. Nippon Institute for Biological Science, Tokyo 198-0024, Japan. ; Microbe Division/Japan Collection of Microorganisms, RIKEN BioResource Center, Tsukuba 305-0074, Japan. ; Yakult Central Institute, Tokyo 186-8650, Japan. ; Division of Innate Immune Regulation, International Research and Development Center for Mucosal Vaccines, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. Department of Mucosal Immunology, School of Medicine, Chiba University, 1-8-1 Inohana, Chuou-ku, Chiba, 260-8670, Japan. ; Laboratory of Host Defense, WPI Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan. ; Department of Obstetrics and Gynecology, Cellular and Molecular Biology Program, University of Michigan Medical Center, Ann Arbor, MI 48109-5617, USA. ; Institute of Experimental Immunology, University of Zurich, Winterthurerstrasse 190, Zurich CH-8057, Switzerland. ; Ludwig Institute for Cancer Research and Universite Catholique de Louvain, Brussels B-1200, Belgium. ; Nippon Institute for Biological Science, Tokyo 198-0024, Japan. Division of Bacterial Infection, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. Medical Mycology Research Center, Chiba University, Chiba 260-8673, Japan. ; Benno Laboratory, Innovation Center, RIKEN, Wako, Saitama 351-0198, Japan. ; Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama 332-0012, Japan. Division of Mucosal Immunology, International Research and Development Center for Mucosal Vaccines, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25214634" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Disease Models, Animal ; Fucose/*metabolism ; Fucosyltransferases/genetics/metabolism ; Germ-Free Life ; Glycosylation ; Goblet Cells/enzymology/immunology/microbiology ; Ileum/enzymology/immunology/microbiology ; *Immunity, Innate ; Interleukins/immunology ; Intestinal Mucosa/enzymology/*immunology/microbiology ; Lymphocytes/*immunology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Mice, Mutant Strains ; Microbiota/*immunology ; Molecular Sequence Data ; Paneth Cells/enzymology/immunology/microbiology ; Salmonella Infections/*immunology/microbiology ; *Salmonella typhimurium
    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
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    Characterization of H7N9 influenza A viruses isolated from humans (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-07-12
    Description: Avian influenza A viruses rarely infect humans; however, when human infection and subsequent human-to-human transmission occurs, worldwide outbreaks (pandemics) can result. The recent sporadic infections of humans in China with a previously unrecognized avian influenza A virus of the H7N9 subtype (A(H7N9)) have caused concern owing to the appreciable case fatality rate associated with these infections (more than 25%), potential instances of human-to-human transmission, and the lack of pre-existing immunity among humans to viruses of this subtype. Here we characterize two early human A(H7N9) isolates, A/Anhui/1/2013 (H7N9) and A/Shanghai/1/2013 (H7N9); hereafter referred to as Anhui/1 and Shanghai/1, respectively. In mice, Anhui/1 and Shanghai/1 were more pathogenic than a control avian H7N9 virus (A/duck/Gunma/466/2011 (H7N9); Dk/GM466) and a representative pandemic 2009 H1N1 virus (A/California/4/2009 (H1N1pdm09); CA04). Anhui/1, Shanghai/1 and Dk/GM466 replicated well in the nasal turbinates of ferrets. In nonhuman primates, Anhui/1 and Dk/GM466 replicated efficiently in the upper and lower respiratory tracts, whereas the replicative ability of conventional human influenza viruses is typically restricted to the upper respiratory tract of infected primates. By contrast, Anhui/1 did not replicate well in miniature pigs after intranasal inoculation. Critically, Anhui/1 transmitted through respiratory droplets in one of three pairs of ferrets. Glycan arrays showed that Anhui/1, Shanghai/1 and A/Hangzhou/1/2013 (H7N9) (a third human A(H7N9) virus tested in this assay) bind to human virus-type receptors, a property that may be critical for virus transmissibility in ferrets. Anhui/1 was found to be less sensitive in mice to neuraminidase inhibitors than a pandemic H1N1 2009 virus, although both viruses were equally susceptible to an experimental antiviral polymerase inhibitor. The robust replicative ability in mice, ferrets and nonhuman primates and the limited transmissibility in ferrets of Anhui/1 suggest that A(H7N9) viruses have pandemic potential.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3891892/" 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/PMC3891892/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Watanabe, Tokiko -- Kiso, Maki -- Fukuyama, Satoshi -- Nakajima, Noriko -- Imai, Masaki -- Yamada, Shinya -- Murakami, Shin -- Yamayoshi, Seiya -- Iwatsuki-Horimoto, Kiyoko -- Sakoda, Yoshihiro -- Takashita, Emi -- McBride, Ryan -- Noda, Takeshi -- Hatta, Masato -- Imai, Hirotaka -- Zhao, Dongming -- Kishida, Noriko -- Shirakura, Masayuki -- de Vries, Robert P -- Shichinohe, Shintaro -- Okamatsu, Masatoshi -- Tamura, Tomokazu -- Tomita, Yuriko -- Fujimoto, Naomi -- Goto, Kazue -- Katsura, Hiroaki -- Kawakami, Eiryo -- Ishikawa, Izumi -- Watanabe, Shinji -- Ito, Mutsumi -- Sakai-Tagawa, Yuko -- Sugita, Yukihiko -- Uraki, Ryuta -- Yamaji, Reina -- Eisfeld, Amie J -- Zhong, Gongxun -- Fan, Shufang -- Ping, Jihui -- Maher, Eileen A -- Hanson, Anthony -- Uchida, Yuko -- Saito, Takehiko -- Ozawa, Makoto -- Neumann, Gabriele -- Kida, Hiroshi -- Odagiri, Takato -- Paulson, James C -- Hasegawa, Hideki -- Tashiro, Masato -- Kawaoka, Yoshihiro -- AI058113/AI/NIAID NIH HHS/ -- AI099274/AI/NIAID NIH HHS/ -- HHSN266200700010C/AI/NIAID NIH HHS/ -- HHSN266200700010C/PHS HHS/ -- T32 AI078985/AI/NIAID NIH HHS/ -- England -- Nature. 2013 Sep 26;501(7468):551-5. doi: 10.1038/nature12392. Epub 2013 Jul 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉ERATO Infection-Induced Host Responses Project, Japan Science and Technology Agency, Saitama 332-0012, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23842494" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antiviral Agents/pharmacology ; Cells, Cultured ; Chickens/virology ; DNA-Directed RNA Polymerases/antagonists & inhibitors ; Dogs ; Enzyme Inhibitors/pharmacology ; Female ; Ferrets/virology ; Humans ; Influenza A Virus, H1N1 Subtype/drug effects/enzymology ; *Influenza A virus/chemistry/drug effects/isolation & purification/pathogenicity ; Influenza, Human/drug therapy/*virology ; Macaca fascicularis/virology ; Madin Darby Canine Kidney Cells ; Male ; Mice ; Mice, Inbred BALB C ; Models, Molecular ; Monkey Diseases/pathology/virology ; Neuraminidase/antagonists & inhibitors ; Orthomyxoviridae Infections/pathology/transmission/*virology ; Quail/virology ; Swine/virology ; Swine, Miniature/virology ; *Virus Replication/drug effects
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 4
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    The Chicxulub asteroid impact and mass extinction at the Cretaceous-Paleogene boundary (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-03-06
    Description: The Cretaceous-Paleogene boundary approximately 65.5 million years ago marks one of the three largest mass extinctions in the past 500 million years. The extinction event coincided with a large asteroid impact at Chicxulub, Mexico, and occurred within the time of Deccan flood basalt volcanism in India. Here, we synthesize records of the global stratigraphy across this boundary to assess the proposed causes of the mass extinction. Notably, a single ejecta-rich deposit compositionally linked to the Chicxulub impact is globally distributed at the Cretaceous-Paleogene boundary. The temporal match between the ejecta layer and the onset of the extinctions and the agreement of ecological patterns in the fossil record with modeled environmental perturbations (for example, darkness and cooling) lead us to conclude that the Chicxulub impact triggered the mass extinction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schulte, Peter -- Alegret, Laia -- Arenillas, Ignacio -- Arz, Jose A -- Barton, Penny J -- Bown, Paul R -- Bralower, Timothy J -- Christeson, Gail L -- Claeys, Philippe -- Cockell, Charles S -- Collins, Gareth S -- Deutsch, Alexander -- Goldin, Tamara J -- Goto, Kazuhisa -- Grajales-Nishimura, Jose M -- Grieve, Richard A F -- Gulick, Sean P S -- Johnson, Kirk R -- Kiessling, Wolfgang -- Koeberl, Christian -- Kring, David A -- MacLeod, Kenneth G -- Matsui, Takafumi -- Melosh, Jay -- Montanari, Alessandro -- Morgan, Joanna V -- Neal, Clive R -- Nichols, Douglas J -- Norris, Richard D -- Pierazzo, Elisabetta -- Ravizza, Greg -- Rebolledo-Vieyra, Mario -- Reimold, Wolf Uwe -- Robin, Eric -- Salge, Tobias -- Speijer, Robert P -- Sweet, Arthur R -- Urrutia-Fucugauchi, Jaime -- Vajda, Vivi -- Whalen, Michael T -- Willumsen, Pi S -- New York, N.Y. -- Science. 2010 Mar 5;327(5970):1214-8. doi: 10.1126/science.1177265.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉GeoZentrum Nordbayern, Universitat Erlangen-Nurnberg, Schlossgarten 5, D-91054 Erlangen, Germany. schulte@geol.uni-erlangen.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20203042" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Extinction, Biological ; *Fossils ; Geologic Sediments ; Mexico ; *Minor Planets
    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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