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  • 1
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    TAPBPR: A component in the MHC I pathway [Immunology] (2013)
    National Academy of Sciences
    Details
    Publication Date: 2013-02-27
    Description: Tapasin is an integral component of the peptide-loading complex (PLC) important for efficient peptide loading onto MHC class I molecules. We investigated the function of the tapasin-related protein, TAPBPR. Like tapasin, TAPBPR is widely expressed, IFN-γ–inducible, and binds to MHC class I coupled with β2-microglobulin in the endoplasmic reticulum. In...
    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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  • 2
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    Role of the ABC transporter Mdl1 in peptide export from mitochondria (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-03-17
    Description: ATP-binding cassette (ABC) adenosine triphosphatases actively transport a wide variety of compounds across biological membranes. Here, the ABC protein Mdl1 was identified as an intracellular peptide transporter localized in the inner membrane of yeast mitochondria. Mdl1 was required for mitochondrial export of peptides with molecular masses of approximately 2100 to 600 daltons generated by proteolysis of inner-membrane proteins by the m-AAA protease in the mitochondrial matrix. Proteolysis by the i-AAA protease in the intermembrane space led to the release of similar-sized peptides independent of Mdl1. Thus, two pathways of peptide efflux from mitochondria exist that may allow communication between mitochondria and their cellular environment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, L -- Leonhard, K -- Tatsuta, T -- Trowsdale, J -- Langer, T -- New York, N.Y. -- Science. 2001 Mar 16;291(5511):2135-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Immunology, Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK. lesley.young@lorantis.co.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11251115" target="_blank"〉PubMed〈/a〉
    Keywords: ATP-Binding Cassette Transporters/chemistry/genetics/*metabolism ; ATP-Dependent Proteases ; Adenosine Triphosphatases/metabolism ; Adenosine Triphosphate/metabolism ; Carrier Proteins/metabolism ; Cell Fractionation ; Intracellular Membranes/*metabolism ; Membrane Proteins/chemistry/metabolism ; *Membrane Transport Proteins ; Metalloendopeptidases/metabolism ; Mitochondria/*metabolism ; Mitochondrial Membrane Transport Proteins ; Molecular Weight ; Peptides/chemistry/*metabolism ; Point Mutation ; *Protein Transport ; *Repressor Proteins ; Saccharomyces cerevisiae/genetics/*metabolism/ultrastructure ; *Saccharomyces cerevisiae 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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  • 3
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    A critical role for tapasin in the assembly and function of multimeric MHC class I-TAP complexes (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-08-29
    Description: Newly assembled major histocompatibility complex (MHC) class I molecules, together with the endoplasmic reticulum chaperone calreticulin, interact with the transporter associated with antigen processing (TAP) through a molecule called tapasin. The molecular cloning of tapasin revealed it to be a transmembrane glycoprotein encoded by an MHC-linked gene. It is a member of the immunoglobulin superfamily with a probable cytoplasmic endoplasmic reticulum retention signal. Up to four MHC class I-tapasin complexes were found to bind to each TAP molecule. Expression of tapasin in a negative mutant human cell line (220) restored class I-TAP association and normal class I cell surface expression. Tapasin expression also corrected the defective recognition of virus-infected 220 cells by class I-restricted cytotoxic T cells, establishing a critical functional role for tapasin in MHC class I-restricted antigen processing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ortmann, B -- Copeman, J -- Lehner, P J -- Sadasivan, B -- Herberg, J A -- Grandea, A G -- Riddell, S R -- Tampe, R -- Spies, T -- Trowsdale, J -- Cresswell, P -- AI30581/AI/NIAID NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1997 Aug 29;277(5330):1306-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Section of Immunobiology, Yale University School of Medicine, 310 Cedar Street, New Haven, CT 06510, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9271576" target="_blank"〉PubMed〈/a〉
    Keywords: ATP-Binding Cassette Transporters/*metabolism ; Amino Acid Sequence ; Antigen Presentation ; Antiporters/chemistry/genetics/*metabolism ; Calcium-Binding Proteins/metabolism ; Calreticulin ; Cell Line ; Cell Line, Transformed ; Chromosome Mapping ; Chromosomes, Human, Pair 6 ; Cloning, Molecular ; Dimerization ; Endoplasmic Reticulum/metabolism ; Genetic Linkage ; HLA Antigens/*metabolism ; Histocompatibility Antigens Class I/*metabolism ; Humans ; Immunoglobulin G/chemistry ; Immunoglobulins/chemistry/genetics/*metabolism ; Major Histocompatibility Complex/genetics ; Membrane Transport Proteins ; Molecular Sequence Data ; Ribonucleoproteins/metabolism ; Sequence Homology, Amino Acid ; T-Lymphocytes, Cytotoxic ; 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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  • 4
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    Accumulation of HLA-DM, a regulator of antigen presentation, in MHC class II compartments (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-12-02
    Description: The HLA-DM genes encode an unconventional HLA (human leukocyte antigen) class II molecule that is required for appropriate binding of peptide to classical HLA class II products. In the absence of DM, other class II molecules are unstable upon electrophoresis in sodium dodecyl sulfate and are largely associated with a nested set of peptides derived from the invariant chain called CLIP, for class II-associated invariant chain peptides. DMA and DMB associated and accumulated in multilaminar, intracellular compartments with classical class II molecules, but were found infrequently, if at all, at the cell surface. Thus, DM may facilitate peptide binding to class II molecules within these intracellular compartments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sanderson, F -- Kleijmeer, M J -- Kelly, A -- Verwoerd, D -- Tulp, A -- Neefjes, J J -- Geuze, H J -- Trowsdale, J -- New York, N.Y. -- Science. 1994 Dec 2;266(5190):1566-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Immunogenetics Laboratory, Imperial Cancer Research Fund, Holborn, London, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7985027" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antigen Presentation ; Cell Compartmentation ; Cell Line ; Cell Membrane/immunology ; Endoplasmic Reticulum/immunology ; Genes, MHC Class II ; HLA-D Antigens/analysis/genetics/*metabolism ; Histocompatibility Antigens Class I/analysis ; Histocompatibility Antigens Class II/analysis/*metabolism ; Humans ; L Cells (Cell Line) ; Mice ; Microscopy, Immunoelectron ; Subcellular Fractions/immunology ; 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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  • 5
    Electronic Resource
    Electronic Resource
    COMPLEXITY IN THE MAJOR HISTOCOMPATIBILITY COMPLEX (1992)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 19 (1992), S. 0 
    Details
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The human major histocompatibility complex (MHC) is one of the most intensively studied regions of the human genome, containing over 70 known genes and spanning about 4 million base pairs (4Mbp) of DNA on chromosome 6p21.3 (Klein, 1986). It can be divided up into three regions: the class I region (telomeric), the class II region (centromeric), and the class HI region (between class I and II), which includes the complement component genes C2, C4, and Bf (Trowsdale & Campbell, 1988). The MHC has been mapped in detail using pulse field gel electrophoresis (PFGE) and by cloning in yeast artificial chromosome (YAC) and cosmid vectors, revealing long stretches of DNA between the regions as well as between individual class I and class II genes. Novel genes, that have no sequence relationships with class I, class II or complement components, have recently been found in these areas, and we will present an update on these after reviewing the more established loci.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1744-313X.1992.tb00047.x
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  • 6
    Electronic Resource
    Electronic Resource
    TNF-alpha GENE POLYMORPHISMS: ASSOCIATION WITH TYPE I (INSULIN-DEPENDENT) DIABETES MELLITUS (1989)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 16 (1989), S. 0 
    Details
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The localization of TNF genes on the short arm of chromosome 6 between HLA B and the complement genes focused attention to that genetic region which harbours many immunologically relevant genes and is also thought to hold susceptibility genes for a variety of autoimmune diseases that are linked to specific alleles of particular loci in the HLA D region. Since the recently established HLA-DR-DQ variation accounts only for part of the genetic susceptibility to insulin-dependent diabetes mellitus (IDDM) we searched for genomic variation of the tumour necrosis factor (TNF) alpha. We have identified a TNF-alpha restriction fragment length polymorphism (RFLP) with N coI and analysed diabetic patients including their families, controls and homozygous typing cell lines (HTC) defined by the 10th International Histocompatibility Workshop. Segregation analysis in families and HTC results show a strong linkage of the TNF-alpha 5.5 kb allele with DR types in particular with AIB8DR3. This tight linkage of TNF-alpha alleles with extended haplotypes and the significant increase of heterozygotes in patients could lead to some explanation of the DR3 association with a variety of autoimmune diseases particularly IDDM.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1744-313X.1989.tb00494.x
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  • 7
    Electronic Resource
    Electronic Resource
    Sequences encoded in the class II region of the MHC related to the 'ABC superfamily of transporters
    Amsterdam : Elsevier
    Trends in Genetics 7 (1991), S. 77 
    Details
    ISSN: 0168-9525
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-9525(91)90053-S
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  • 8
    Electronic Resource
    Electronic Resource
    Genomic structure and function in the MHC
    Amsterdam : Elsevier
    Trends in Genetics 9 (1993), S. 117-122 
    Details
    ISSN: 0168-9525
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-9525(93)90205-V
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  • 9
    Electronic Resource
    Electronic Resource
    Natural history of the major histocompatibility complex - by Jan Klein, John Wiley and Sons, 1986. £90.75 (xix + 775 pages) ISBN 0 471 80953 5
    Amsterdam : Elsevier
    Trends in Genetics 3 (1987), S. 142-143 
    Details
    ISSN: 0168-9525
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-9525(87)90206-X
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  • 10
    Electronic Resource
    Electronic Resource
    Mapping of HLA genes using pulsed-field gradient electrophoresis
    Amsterdam : Elsevier
    FEBS Letters 204 (1986), S. 1-4 
    Details
    ISSN: 0014-5793
    Keywords: Gene linkage ; HLA complex ; Pulsed-field gradient electrophoresis
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0014-5793(86)81376-X
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