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  • Cell Line  (25)
  • American Association for the Advancement of Science (AAAS)  (25)
  • American Institute of Physics (AIP)
  • 2010-2014
  • 2000-2004  (25)
  • 2002  (25)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (25)
  • American Institute of Physics (AIP)
Years
  • 2010-2014
  • 2000-2004  (25)
Year
  • 1
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    Asparagine hydroxylation of the HIF transactivation domain a hypoxic switch (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-02-02
    Description: The hypoxia-inducible factors (HIFs) 1alpha and 2alpha are key mammalian transcription factors that exhibit dramatic increases in both protein stability and intrinsic transcriptional potency during low-oxygen stress. This increased stability is due to the absence of proline hydroxylation, which in normoxia promotes binding of HIF to the von Hippel-Lindau (VHL tumor suppressor) ubiquitin ligase. We now show that hypoxic induction of the COOH-terminal transactivation domain (CAD) of HIF occurs through abrogation of hydroxylation of a conserved asparagine in the CAD. Inhibitors of Fe(II)- and 2-oxoglutarate-dependent dioxygenases prevented hydroxylation of the Asn, thus allowing the CAD to interact with the p300 transcription coactivator. Replacement of the conserved Asn by Ala resulted in constitutive p300 interaction and strong transcriptional activity. Full induction of HIF-1alpha and -2alpha, therefore, relies on the abrogation of both Pro and Asn hydroxylation, which during normoxia occur at the degradation and COOH-terminal transactivation domains, respectively.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lando, David -- Peet, Daniel J -- Whelan, Dean A -- Gorman, Jeffrey J -- Whitelaw, Murray L -- New York, N.Y. -- Science. 2002 Feb 1;295(5556):858-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biosciences (Biochemistry), Adelaide University, SA 5005, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11823643" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acid Substitution ; Animals ; Asparagine/*metabolism ; Basic Helix-Loop-Helix Transcription Factors ; Cell Hypoxia/*physiology ; Cell Line ; Humans ; Hydroxylation ; Hypoxia-Inducible Factor 1, alpha Subunit ; Mass Spectrometry ; Mice ; Mixed Function Oxygenases/metabolism ; Molecular Sequence Data ; Mutation ; Oxygen/*physiology ; Proline/metabolism ; Protein Structure, Tertiary ; Recombinant Fusion Proteins/metabolism ; Trans-Activators/chemistry/genetics/*metabolism ; Transcription Factors/chemistry/genetics/*metabolism ; *Transcriptional Activation
    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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    Production of alpha 1,3-galactosyltransferase-deficient pigs (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-12-21
    Description: The enzyme alpha1,3-galactosyltransferase (alpha1,3GT or GGTA1) synthesizes alpha1,3-galactose (alpha1,3Gal) epitopes (Galalpha1,3Galbeta1,4GlcNAc-R), which are the major xenoantigens causing hyperacute rejection in pig-to-human xenotransplantation. Complete removal of alpha1,3Gal from pig organs is the critical step toward the success of xenotransplantation. We reported earlier the targeted disruption of one allele of the alpha1,3GT gene in cloned pigs. A selection procedure based on a bacterial toxin was used to select for cells in which the second allele of the gene was knocked out. Sequencing analysis demonstrated that knockout of the second allele of the alpha1,3GT gene was caused by a T-to-G single point mutation at the second base of exon 9, which resulted in inactivation of the alpha1,3GT protein. Four healthy alpha1,3GT double-knockout female piglets were produced by three consecutive rounds of cloning. The piglets carrying a point mutation in the alpha1,3GT gene hold significant value, as they would allow production of alpha1,3Gal-deficient pigs free of antibiotic-resistance genes and thus have the potential to make a safer product for human use.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3154759/" 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/PMC3154759/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Phelps, Carol J -- Koike, Chihiro -- Vaught, Todd D -- Boone, Jeremy -- Wells, Kevin D -- Chen, Shu-Hung -- Ball, Suyapa -- Specht, Susan M -- Polejaeva, Irina A -- Monahan, Jeff A -- Jobst, Pete M -- Sharma, Sugandha B -- Lamborn, Ashley E -- Garst, Amy S -- Moore, Marilyn -- Demetris, Anthony J -- Rudert, William A -- Bottino, Rita -- Bertera, Suzanne -- Trucco, Massimo -- Starzl, Thomas E -- Dai, Yifan -- Ayares, David L -- DK29961/DK/NIDDK NIH HHS/ -- R01 AM007772/AM/NIADDK NIH HHS/ -- R01 DK029961-19/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2003 Jan 17;299(5605):411-4. Epub 2002 Dec 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉PPL Therapeutics Inc., 1700 Kraft Drive, Blacksburg, VA 24060, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12493821" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Bacterial Toxins/pharmacology ; Cell Line ; Cloning, Molecular ; Cloning, Organism ; DNA, Complementary ; Embryo Transfer ; Enterotoxins/pharmacology ; Female ; Fibroblasts ; Galactosyltransferases/*deficiency/*genetics ; *Gene Targeting ; Genetic Vectors ; HeLa Cells ; Humans ; Immunoglobulin M/blood ; Islets of Langerhans Transplantation ; Mice ; Mice, Knockout ; *Point Mutation ; Pregnancy ; Swine/*genetics ; Transfection ; Transplantation, Heterologous ; Trisaccharides/*analysis/biosynthesis/immunology
    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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    Production of alpha-1,3-galactosyltransferase knockout pigs by nuclear transfer cloning (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-01-05
    Description: The presence of galactose alpha-1,3-galactose residues on the surface of pig cells is a major obstacle to successful xenotransplantation. Here, we report the production of four live pigs in which one allele of the alpha-1,3-galactosyltransferase locus has been knocked out. These pigs were produced by nuclear transfer technology; clonal fetal fibroblast cell lines were used as nuclear donors for embryos reconstructed with enucleated pig oocytes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lai, Liangxue -- Kolber-Simonds, Donna -- Park, Kwang-Wook -- Cheong, Hee-Tae -- Greenstein, Julia L -- Im, Gi-Sun -- Samuel, Melissa -- Bonk, Aaron -- Rieke, August -- Day, Billy N -- Murphy, Clifton N -- Carter, David B -- Hawley, Robert J -- Prather, Randall S -- R44 RR15198/RR/NCRR NIH HHS/ -- T32 RR07004/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2002 Feb 8;295(5557):1089-92. Epub 2002 Jan 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Animal Science, University of Missouri, Columbia, MO 65211, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11778012" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; *Animals, Genetically Modified ; Cell Line ; *Cloning, Organism ; Embryo Transfer ; Female ; Fetus ; Fibroblasts ; Galactosyltransferases/*genetics ; *Gene Targeting ; Genetic Vectors ; Male ; Mutagenesis, Insertional ; Nuclear Transfer Techniques ; Pregnancy ; Recombination, Genetic ; Swine ; Swine, Miniature/embryology/*genetics ; 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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  • 4
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    Role of Toxoplasma gondii myosin A in powering parasite gliding and host cell invasion (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-10-26
    Description: Obligate intracellular apicomplexan parasites rely on gliding motion powered by their actomyosin system to disperse throughout tissues and to penetrate host cells. Toxoplasma gondii myosin A has been implicated in this process, but direct proof has been lacking. We designed a genetic screen to generate a tetracycline-inducible transactivator system in T. gondii. The MyoA gene was disrupted in the presence of a second regulatable copy of MyoA. Conditional removal of this myosin caused severe impairment in host cell invasion and parasite spreading in cultured cells, and unambiguously established the pathogenic function of this motor in an animal model.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meissner, Markus -- Schluter, Dirk -- Soldati, Dominique -- New York, N.Y. -- Science. 2002 Oct 25;298(5594):837-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, Imperial College of Science, Technology and Medicine, Imperial College Road, London SW7 2AZ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12399593" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcimycin/pharmacology ; Calcium/metabolism ; Cell Line ; Cells, Cultured ; Exocytosis ; Genetic Vectors ; Humans ; Mice ; Movement ; Nonmuscle Myosin Type IIA/genetics/*physiology ; Organelles/metabolism ; Protozoan Proteins/genetics/physiology ; Tetracycline/pharmacology ; Toxoplasma/genetics/growth & development/*pathogenicity/*physiology ; Toxoplasmosis, Animal/*parasitology ; Trans-Activators/metabolism ; Transfection ; Transgenes ; Virulence ; Virulence Factors/*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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  • 5
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    Sp1 and TAFII130 transcriptional activity disrupted in early Huntington's disease (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-04
    Description: Huntington's disease (HD) is an inherited neurodegenerative disease caused by expansion of a polyglutamine tract in the huntingtin protein. Transcriptional dysregulation has been implicated in HD pathogenesis. Here, we report that huntingtin interacts with the transcriptional activator Sp1 and coactivator TAFII130. Coexpression of Sp1 and TAFII130 in cultured striatal cells from wild-type and HD transgenic mice reverses the transcriptional inhibition of the dopamine D2 receptor gene caused by mutant huntingtin, as well as protects neurons from huntingtin-induced cellular toxicity. Furthermore, soluble mutant huntingtin inhibits Sp1 binding to DNA in postmortem brain tissues of both presymptomatic and affected HD patients. Understanding these early molecular events in HD may provide an opportunity to interfere with the effects of mutant huntingtin before the development of disease symptoms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dunah, Anthone W -- Jeong, Hyunkyung -- Griffin, April -- Kim, Yong-Man -- Standaert, David G -- Hersch, Steven M -- Mouradian, M Maral -- Young, Anne B -- Tanese, Naoko -- Krainc, Dimitri -- 5R37AG13617/AG/NIA NIH HHS/ -- AT00613/AT/NCCIH NIH HHS/ -- NS02174/NS/NINDS NIH HHS/ -- NS34361/NS/NINDS NIH HHS/ -- NS35255/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2002 Jun 21;296(5576):2238-43. Epub 2002 May 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Center for Aging, Genetics and Neurodegeneration, Charlestown, MA 02129, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11988536" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/metabolism ; Caudate Nucleus/metabolism ; Cell Death ; Cell Line ; Cell Nucleus/metabolism ; Cells, Cultured ; Corpus Striatum/cytology/embryology/metabolism ; DNA/*metabolism ; DNA-Binding Proteins/chemistry/*metabolism ; Down-Regulation ; Gene Expression Regulation ; Humans ; Huntington Disease/*genetics/metabolism ; Mice ; Mice, Transgenic ; Mutation ; Nerve Tissue Proteins/chemistry/genetics/*metabolism ; Neurons/physiology ; Nuclear Proteins/chemistry/genetics/*metabolism ; Peptides ; Promoter Regions, Genetic ; Rats ; Receptors, Dopamine D2/genetics ; Solubility ; Sp1 Transcription Factor/chemistry/*metabolism ; *TATA-Binding Protein Associated Factors ; *Transcription Factor TFIID ; Transcription Factors/chemistry/*metabolism ; *Transcription, Genetic ; Transfection ; Trinucleotide Repeat Expansion ; Two-Hybrid System Techniques
    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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  • 6
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    Partitioning of lipid-modified monomeric GFPs into membrane microdomains of live cells (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-04
    Description: Many proteins associated with the plasma membrane are known to partition into submicroscopic sphingolipid- and cholesterol-rich domains called lipid rafts, but the determinants dictating this segregation of proteins in the membrane are poorly understood. We suppressed the tendency of Aequorea fluorescent proteins to dimerize and targeted these variants to the plasma membrane using several different types of lipid anchors. Fluorescence resonance energy transfer measurements in living cells revealed that acyl but not prenyl modifications promote clustering in lipid rafts. Thus the nature of the lipid anchor on a protein is sufficient to determine submicroscopic localization within the plasma membrane.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zacharias, David A -- Violin, Jonathan D -- Newton, Alexandra C -- Tsien, Roger Y -- 2T32 GM07752/GM/NIGMS NIH HHS/ -- DK54441/DK/NIDDK NIH HHS/ -- NS27177/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2002 May 3;296(5569):913-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Biomedical Sciences Graduate Program, and, Howard Hughes Medical Institute, University of California, San Diego, La Jolla, CA 92093-0647, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11988576" target="_blank"〉PubMed〈/a〉
    Keywords: Acylation ; Animals ; Bacterial Proteins/chemistry/*metabolism ; Caveolin 1 ; Caveolins/metabolism ; Cell Line ; Detergents ; Dimerization ; Dogs ; Energy Transfer ; Fluorescence ; Green Fluorescent Proteins ; Luminescent Proteins/chemistry/*metabolism ; Membrane Microdomains/*metabolism ; Myristic Acid/metabolism ; Oligopeptides/chemistry/*metabolism ; Palmitic Acid/metabolism ; Protein Prenylation ; Recombinant Fusion Proteins/metabolism ; Solubility ; Spectrometry, Fluorescence ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 7
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    Inhibition of excess nodal signaling during mouse gastrulation by the transcriptional corepressor DRAP1 (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-12-10
    Description: The formation and patterning of mesoderm during mammalian gastrulation require the activity of Nodal, a secreted mesoderm-inducing factor of the transforming growth factor-beta (TGF-beta) family. Here we show that the transcriptional corepressor DRAP1 has a very specific role in regulation of Nodal activity during mouse embryogenesis. We find that loss of Drap1 leads to severe gastrulation defects that are consistent with increased expression of Nodal and can be partially suppressed by Nodal heterozygosity. Biochemical studies indicate that DRAP1 interacts with and inhibits DNA binding by the winged-helix transcription factor FoxH1 (FAST), a critical component of a positive feedback loop for Nodal activity. We propose that DRAP1 limits the spread of a morphogenetic signal by down-modulating the response to the Nodal autoregulatory loop.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Iratni, Rabah -- Yan, Yu-Ting -- Chen, Canhe -- Ding, Jixiang -- Zhang, Yi -- Price, Sandy M -- Reinberg, Danny -- Shen, Michael M -- New York, N.Y. -- Science. 2002 Dec 6;298(5600):1996-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Biochemistry, Division of Nucleic Acids Enzymology, University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School, Piscataway, NJ 08854, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12471260" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Cell Line ; Crosses, Genetic ; DNA/metabolism ; DNA-Binding Proteins/metabolism ; *Embryonic and Fetal Development ; Female ; Forkhead Transcription Factors ; Gastrula/*physiology ; Gene Expression Regulation, Developmental ; Gene Targeting ; Heterozygote ; In Situ Hybridization ; Left-Right Determination Factors ; Male ; Mesoderm/cytology/physiology ; Mice ; Morphogenesis ; Mutation ; Nodal Protein ; Phenotype ; Protein Binding ; RNA Interference ; Recombinant Fusion Proteins/metabolism ; Repressor Proteins/genetics/*metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; *Signal Transduction ; Transcription Factors/metabolism ; Transforming Growth Factor beta/genetics/*metabolism
    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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  • 8
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    Toll-like receptor 4-dependent activation of dendritic cells by beta-defensin 2 (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-11-02
    Description: beta-Defensins are small antimicrobial peptides of the innate immune system produced in response to microbial infection of mucosal tissue and skin. We demonstrate that murine beta-defensin 2 (mDF2beta) acts directly on immature dendritic cells as an endogenous ligand for Toll-like receptor 4 (TLR-4), inducing up-regulation of costimulatory molecules and dendritic cell maturation. These events, in turn, trigger robust, type 1 polarized adaptive immune responses in vivo, suggesting that mDF2beta may play an important role in immunosurveillance against pathogens and, possibly, self antigens or tumor antigens.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Biragyn, Arya -- Ruffini, Pier Adelchi -- Leifer, Cynthia A -- Klyushnenkova, Elena -- Shakhov, Alexander -- Chertov, Oleg -- Shirakawa, Aiko K -- Farber, Joshua M -- Segal, David M -- Oppenheim, Joost J -- Kwak, Larry W -- N0L-CO-12400/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 2002 Nov 1;298(5595):1025-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Experimental Transplantation and Immunology Branch, National Cancer Institute, Bethesda, MD 20892, USA. arya@mail.ncifcrf.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12411706" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/immunology ; Cancer Vaccines/immunology ; Cell Line ; Cytokines/biosynthesis ; Dendritic Cells/*immunology ; *Drosophila Proteins ; Female ; Humans ; Interferon-alpha/physiology ; Ligands ; Lipopolysaccharides/immunology/pharmacology ; Lymphocyte Culture Test, Mixed ; Membrane Glycoproteins/genetics/*physiology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C3H ; Mice, Inbred C57BL ; Neoplasms/immunology/therapy ; Receptors, CCR6 ; Receptors, Cell Surface/genetics/*physiology ; Receptors, Chemokine/metabolism ; Recombinant Fusion Proteins/pharmacology ; Signal Transduction ; Toll-Like Receptor 4 ; Toll-Like Receptors ; Transfection ; beta-Defensins/pharmacology/*physiology
    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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  • 9
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    A heat-sensitive TRP channel expressed in keratinocytes (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-23
    Description: Mechanical and thermal cues stimulate a specialized group of sensory neurons that terminate in the skin. Three members of the transient receptor potential (TRP) family of channels are expressed in subsets of these neurons and are activated at distinct physiological temperatures. Here, we describe the cloning and characterization of a novel thermosensitive TRP channel. TRPV3 has a unique threshold: It is activated at innocuous (warm) temperatures and shows an increased response at noxious temperatures. TRPV3 is specifically expressed in keratinocytes; hence, skin cells are capable of detecting heat via molecules similar to those in heat-sensing neurons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peier, Andrea M -- Reeve, Alison J -- Andersson, David A -- Moqrich, Aziz -- Earley, Taryn J -- Hergarden, Anne C -- Story, Gina M -- Colley, Sian -- Hogenesch, John B -- McIntyre, Peter -- Bevan, Stuart -- Patapoutian, Ardem -- New York, N.Y. -- Science. 2002 Jun 14;296(5575):2046-9. Epub 2002 May 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genomics Institute of the Novartis Research Foundation, San Diego, CA 92121, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12016205" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Animals, Newborn ; Blotting, Northern ; CHO Cells ; Capsaicin/*analogs & derivatives/pharmacology ; *Cation Transport Proteins ; Cell Line ; Cells, Cultured ; Cloning, Molecular ; Cricetinae ; Epidermis/cytology/innervation/metabolism ; Ganglia, Spinal/metabolism ; *Hot Temperature ; Humans ; In Situ Hybridization ; Ion Channels/chemistry/genetics/*metabolism ; Keratinocytes/*metabolism ; Membrane Potentials ; Mice ; Molecular Sequence Data ; Nerve Endings/physiology ; Neurons/physiology ; Patch-Clamp Techniques ; RNA, Messenger/genetics/metabolism ; Ruthenium Red/pharmacology ; Signal Transduction ; Spinal Cord/metabolism ; TRPV Cation Channels ; Temperature
    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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  • 10
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    Local actin polymerization and dynamin recruitment in SV40-induced internalization of caveolae (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-04-20
    Description: Simian virus 40 (SV40) utilizes endocytosis through caveolae for infectious entry into host cells. We found that after binding to caveolae, virus particles induced transient breakdown of actin stress fibers. Actin was then recruited to virus-loaded caveolae as actin patches that served as sites for actin "tail" formation. Dynamin II was also transiently recruited. These events depended on the presence of cholesterol and on the activation of tyrosine kinases that phosphorylated proteins in caveolae. They were necessary for formation of caveolae-derived endocytic vesicles and for infection of the cell. Thus, caveolar endocytosis is ligand-triggered and involves extensive rearrangement of the actin cytoskeleton.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelkmans, Lucas -- Puntener, Daniel -- Helenius, Ari -- New York, N.Y. -- Science. 2002 Apr 19;296(5567):535-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Swiss Federal Institute of Technology Zurich (ETHZ), HPM1 Building, ETH Honggerberg, CH-8093 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11964480" target="_blank"〉PubMed〈/a〉
    Keywords: Actin Cytoskeleton/*physiology/ultrastructure ; Actins/*metabolism ; Animals ; Bicyclo Compounds, Heterocyclic/pharmacology ; Caveolae/*metabolism/ultrastructure/virology ; Caveolin 1 ; Caveolins/metabolism ; Cell Line ; Cholesterol/physiology ; *Depsipeptides ; Dynamins ; *Endocytosis ; GTP Phosphohydrolases/genetics/*metabolism ; Haplorhini ; Peptides, Cyclic/pharmacology ; Phosphorylation ; Phosphotyrosine/metabolism ; Protein-Tyrosine Kinases/antagonists & inhibitors/metabolism ; Recombinant Fusion Proteins/metabolism ; Simian virus 40/*physiology ; Stress Fibers/metabolism ; Thiazoles/pharmacology ; Thiazolidines ; Transport Vesicles/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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