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  • 1
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    BLyS: member of the tumor necrosis factor family and B lymphocyte stimulator (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-10
    Description: The tumor necrosis factor (TNF) superfamily of cytokines includes both soluble and membrane-bound proteins that regulate immune responses. A member of the human TNF family, BLyS (B lymphocyte stimulator), was identified that induced B cell proliferation and immunoglobulin secretion. BLyS expression on human monocytes could be up-regulated by interferon-gamma. Soluble BLyS functioned as a potent B cell growth factor in costimulation assays. Administration of soluble recombinant BLyS to mice disrupted splenic B and T cell zones and resulted in elevated serum immunoglobulin concentrations. The B cell tropism of BLyS is consistent with its receptor expression on B-lineage cells. The biological profile of BLyS suggests it is involved in monocyte-driven B cell activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moore, P A -- Belvedere, O -- Orr, A -- Pieri, K -- LaFleur, D W -- Feng, P -- Soppet, D -- Charters, M -- Gentz, R -- Parmelee, D -- Li, Y -- Galperina, O -- Giri, J -- Roschke, V -- Nardelli, B -- Carrell, J -- Sosnovtseva, S -- Greenfield, W -- Ruben, S M -- Olsen, H S -- Fikes, J -- Hilbert, D M -- New York, N.Y. -- Science. 1999 Jul 9;285(5425):260-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Genome Sciences, 9410 Key West Avenue, Rockville, MD 20850, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10398604" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; B-Cell Activating Factor ; B-Cell Activation Factor Receptor ; B-Lymphocyte Subsets/immunology ; B-Lymphocytes/*immunology ; Cell Line ; Cells, Cultured ; Humans ; Immunoglobulins/blood ; Interferon-gamma/pharmacology ; *Lymphocyte Activation ; Membrane Proteins/chemistry/genetics/pharmacology/*physiology ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Monocytes/*immunology ; Receptors, Cytokine/metabolism ; Receptors, Tumor Necrosis Factor/metabolism ; Recombinant Proteins/pharmacology ; Sequence Alignment ; Species Specificity ; Tumor Necrosis Factor-alpha/chemistry/genetics/pharmacology/*physiology ; Up-Regulation
    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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    Parallel association of Fos and Jun leucine zippers juxtaposes DNA binding domains (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-31
    Description: The protein products of the fos and jun proto-oncogenes form a heterodimeric complex that participates in a stable high affinity interaction with DNA elements containing AP-1 binding sites. The effects of deletions and point mutations in Fos and Jun on protein complex formation and DNA binding have been examined. The data suggest that Fos and Jun dimerize via a parallel interaction of helical domains containing a heptad repeat of leucine residues (the leucine zipper). Dimerization is required for DNA binding and results in the appropriate juxtaposition of basic amino acid regions from Fos and Jun, both of which are required for association with DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gentz, R -- Rauscher, F J 3rd -- Abate, C -- Curran, T -- New York, N.Y. -- Science. 1989 Mar 31;243(4899):1695-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Oncology, Roche Institute of Molecular Biology, Nutley, NJ 07110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2494702" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Cross-Linking Reagents ; DNA/*metabolism ; DNA-Binding Proteins/genetics/*metabolism ; Glutaral ; Immunosorbent Techniques ; *Leucine ; Macromolecular Substances ; Molecular Sequence Data ; Mutation ; Protein Conformation ; Proto-Oncogene Proteins/genetics/*metabolism ; Proto-Oncogene Proteins c-fos ; Proto-Oncogene Proteins c-jun ; Rats ; Repetitive Sequences, Nucleic Acid ; Structure-Activity Relationship ; Transcription Factors/genetics/*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
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    An antagonist decoy receptor and a death domain-containing receptor for TRAIL (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-08-08
    Description: TRAIL, also called Apo2L, is a cytotoxic protein that induces apoptosis of many transformed cell lines but not of normal tissues, even though its death domain-containing receptor, DR4, is expressed on both cell types. An antagonist decoy receptor (designated as TRID for TRAIL receptor without an intracellular domain) that may explain the resistant phenotype of normal tissues was identified. TRID is a distinct gene product with an extracellular TRAIL-binding domain and a transmembrane domain but no intracellular signaling domain. TRID transcripts were detected in many normal human tissues but not in most cancer cell lines examined. Ectopic expression of TRID protected mammalian cells from TRAIL-induced apoptosis, which is consistent with a protective role. Another death domain-containing receptor for TRAIL (designated as death receptor-5), which preferentially engaged a FLICE (caspase-8)-related death protease, was also identified.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pan, G -- Ni, J -- Wei, Y F -- Yu, G -- Gentz, R -- Dixit, V M -- ES08111/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1997 Aug 8;277(5327):815-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9242610" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Apoptosis ; Apoptosis Regulatory Proteins ; Caspase 10 ; Caspase 8 ; Caspase 9 ; *Caspases ; Cell Line, Transformed ; Cysteine Endopeptidases/metabolism ; GPI-Linked Proteins ; HeLa Cells ; Humans ; Ligands ; Membrane Glycoproteins/*metabolism ; Molecular Sequence Data ; Protein Sorting Signals ; Receptors, TNF-Related Apoptosis-Inducing Ligand ; Receptors, Tumor Necrosis Factor/chemistry/genetics/*metabolism ; Sequence Alignment ; Signal Transduction ; TNF-Related Apoptosis-Inducing Ligand ; Transfection ; Tumor Cells, Cultured ; Tumor Necrosis Factor Decoy Receptors ; Tumor Necrosis Factor-alpha/*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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  • 4
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    The receptor for the cytotoxic ligand TRAIL (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-04-04
    Description: TRAIL (also known as Apo-2L) is a member of the tumor necrosis factor (TNF) ligand family that rapidly induces apoptosis in a variety of transformed cell lines. The human receptor for TRAIL was found to be an undescribed member of the TNF-receptor family (designated death receptor-4, DR4) that contains a cytoplasmic "death domain" capable of engaging the cell suicide apparatus but not the nuclear factor kappa B pathway in the system studied. Unlike Fas, TNFR-1, and DR3, DR4 could not use FADD to transmit the death signal, suggesting the use of distinct proximal signaling machinery. Thus, the DR4-TRAIL axis defines another receptor-ligand pair involved in regulating cell suicide and tissue homeostasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pan, G -- O'Rourke, K -- Chinnaiyan, A M -- Gentz, R -- Ebner, R -- Ni, J -- Dixit, V M -- DAMD17-96-1-6085/DA/NIDA NIH HHS/ -- ES08111/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1997 Apr 4;276(5309):111-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9082980" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; *Apoptosis ; Apoptosis Regulatory Proteins ; Carrier Proteins/metabolism ; Cell Line ; Fas-Associated Death Domain Protein ; Humans ; Ligands ; Membrane Glycoproteins/*metabolism ; Molecular Sequence Data ; NF-kappa B/metabolism ; Proteins/metabolism ; RNA, Messenger/genetics/metabolism ; Receptor-Interacting Protein Serine-Threonine Kinases ; Receptors, TNF-Related Apoptosis-Inducing Ligand ; Receptors, Tumor Necrosis Factor/chemistry/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; TNF Receptor-Associated Factor 1 ; TNF-Related Apoptosis-Inducing Ligand ; Transfection ; Tumor Cells, Cultured ; Tumor Necrosis Factor-alpha/*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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  • 5
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    Signal transduction by DR3, a death domain-containing receptor related to TNFR-1 and CD95 (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-11-08
    Description: Tumor necrosis factor receptor-1 (TNFR-1) and CD95 (also called Fas or APO-1) are cytokine receptors that engage the apoptosis pathway through a region of intracellular homology, designated the "death domain." Another death domain-containing member of the TNFR family, death receptor 3 (DR3), was identified and was shown to induce both apoptosis and activation of nuclear factor kappaB. Expression of DR3 appears to be restricted to tissues enriched in lymphocytes. DR3 signal transduction is mediated by a complex of intracellular signaling molecules including TRADD, TRAF2, FADD, and FLICE. Thus, DR3 likely plays a role in regulating lymphocyte homeostasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chinnaiyan, A M -- O'Rourke, K -- Yu, G L -- Lyons, R H -- Garg, M -- Duan, D R -- Xing, L -- Gentz, R -- Ni, J -- Dixit, V M -- GM-07863/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Nov 8;274(5289):990-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA. Sciences Inc., 9620 Medical Center Driv.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8875942" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; Antigens, CD95/chemistry/physiology ; *Apoptosis ; Carrier Proteins/metabolism ; Caspase 8 ; Caspase 9 ; *Caspases ; Cloning, Molecular ; Cysteine Endopeptidases/metabolism ; Fas-Associated Death Domain Protein ; Gene Library ; Humans ; Lymphocytes ; Molecular Sequence Data ; NF-kappa B/*physiology ; Organ Specificity ; Proteins/metabolism ; RNA, Messenger/analysis/genetics ; Receptors, Tumor Necrosis Factor/chemistry/genetics/*physiology ; Receptors, Tumor Necrosis Factor, Member 25 ; Sequence Alignment ; *Signal Transduction ; TNF Receptor-Associated Factor 1 ; TNF Receptor-Associated Factor 2 ; Transfection ; Tumor Cells, Cultured
    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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  • 6
    Electronic Resource
    Electronic Resource
    Genetic Approach to Facilitate Purification of Recombinant Proteins with a Novel Metal Chelate Adsorbent (1988)
    [s.l.] : Nature Publishing Company
    Nature biotechnology 6 (1988), S. 1321-1325 
    Details
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] We describe a general purification method for recombinant proteins based upon the selective interaction between a poly-histidine peptide, which is fused to the protein of interest, and a novel metal chelate adsorbent. The principle of the technique is illustrated with mouse dihydrofolate reductase. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nbt1188-1321
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  • 7
    Electronic Resource
    Electronic Resource
    Cell growth and protein formation on various microcarriers (1999)
    Springer
    Cytotechnology 29 (1999), S. 151-158 
    Details
    ISSN: 1573-0778
    Keywords: CHO cells ; comparison ; microcarriers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract A large number of microcarriers are commercially available. The capability of cells to successfully proliferate on microcarriers varies with cell lines and media. Choosing the right microcarrier for a particular cell line is more than a choice of a microcarrier. It is part of an integrated process design. A detailed picture of cell growth and product formation will not only be essential in identifying the kind of microcarrier, but also in determining other parts of the process, such as operation mode and media. Our initial screening on thirteen microcarriers showed that cultures on some microcarriers reached a low cell density but high cell-specific productivity, and high density microcarrier cultures have a low specific productivity. The result is a similar product output per unit volume and time for these two types of cultures. An ideal culture system shall have increased volumetric productivity at elevated cell density. This requires the process goal to be incorporated as early as cell line construction and screening. A high output process can then be realized through high density culture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008053421462
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  • 8
    Electronic Resource
    Electronic Resource
    High cell density and productivity culture of Chinese hamster ovary cells in a fluidized bed bioreactor (1999)
    Springer
    Cytotechnology 29 (1999), S. 215-220 
    Details
    ISSN: 1573-0778
    Keywords: CHO ; cytoline microcarrier ; fluidized bed bioreactor (FBR) ; stirred tank bioreactor (STR)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract A recombinant Chinese hamster ovary clone was cultivated in a 2L Cytopilot Mini fluidized bed bioreactor using Cytoline 1 microcarriers and a 10L B. Braun stirred tank bioreactor with Cytodex 1 microcarriers. Cytoline 1 is a macroporous polyethylene microcarrier and Cytodex 1 is a solid DEAE-dextran microcarrier. Cytoline 1 microcarriers in the fluidized bed bioreactor were gently mixed by an uplifting flow. Circulation and sparging in Cytopilot Mini were separated from the fluidized microcarrier bed. Cytopilot Mini bioreactor with Cytoline 1 microcarriers offered 2.3 times more surface area than the stirred tank bioreactor. The 2L fluidized bed bioreactor accommodated approximately half the cells in the 10L stirred tank bioreactor. Moreover, Cytopilot Mini had approximately three times more product output rate and 5.5 times higher specific productivity than the stirred tank bioreactor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008064217040
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  • 9
    Electronic Resource
    Electronic Resource
    High-density perfusion culture of insect cells with a BioSep ultrasonic filter (1998)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 59 (1998), S. 351-359 
    Details
    ISSN: 0006-3592
    Keywords: bioreactor ; high density ; insect cells ; perfusion ; Sf9 ; ultrasonic filter ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The baculovirus/insect cell expression system has provided a vital tool to produce a high level of active proteins for many applications. We have developed a very high-density insect cell perfusion process with an ultrasonic filter as a cell retention device. The separation efficiency of the filter was studied under various operating conditions. A cell density of over 30 million cells/mL was achieved in a controlled perfusion bioreactor and cell viability remained greater than 90%. Sf9 cells from a high-density culture and a spinner culture were infected with two recombinant baculoviruses expressing genes for the production of human chitinase and monocyte-colony inhibition factor. The protein yield on a cell basis from infecting high-density Sf9 cells was the same as or higher than that from the spinner Sf9 culture. Virus production from the high-density culture was similar to that from the spinner culture. The results show that the ultrasonic filter did not affect insect cells' ability to support protein expression and virus production following infection with baculovirus. The potential applications of the high-density perfusion culture for large-scale protein expression from Sf9 cells are also highlighted. © 1998 John Wiley & Sons, Inc. Biotechnol Bioeng 59:351-359, 1998.
    Additional Material: 11 Ill.
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  • 10
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    Suppression of breast cancer growth and metastasis by a serpin myoepithelium-derived serine proteinase inhibitor expressed in the mammary myoepithelial cells (1999)
    National Academy of Sciences
    Details
    Publication Date: 1999-03-30
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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