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  • 1
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    Signal transduction. How do cells sense oxygen? (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-04-09
    Description: How do organisms sense the amount of oxygen in the environment and respond appropriately when the amount of oxygen decreases (a condition called hypoxia)? In their Perspective, Zhu and Bunn discuss new findings (Ivan et al., Jaakkola et al.) that reveal how the HIF transcription factor, which switches on a group of hypoxia-response proteins, is itself regulated by changes in oxygen tension. The authors are in the Hematology Division of the Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA. E-mail: zhu@calvin.bwh.harvard.edu, bunn@calvin.bwh.harvard.edu〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3040953/" 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/PMC3040953/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhu, H -- Bunn, H F -- F32 DK009678/DK/NIDDK NIH HHS/ -- F32 DK009678-03/DK/NIDDK NIH HHS/ -- K01 DK059901/DK/NIDDK NIH HHS/ -- K01 DK059901-01/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2001 Apr 20;292(5516):449-51. Epub 2001 Apr 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hematology Division of the Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA. zhu@calvin.bwh.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11292863" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Cell Hypoxia ; Cysteine Endopeptidases/metabolism ; DNA-Binding Proteins/chemistry/*metabolism ; Hydroxylation ; Hydroxyproline/metabolism ; Hypoxia-Inducible Factor 1 ; Hypoxia-Inducible Factor 1, alpha Subunit ; *Ligases ; Multienzyme Complexes/metabolism ; Nuclear Proteins/chemistry/*metabolism ; Oxygen/*physiology ; Procollagen-Proline Dioxygenase/metabolism ; Proteasome Endopeptidase Complex ; Proteins/metabolism ; Reactive Oxygen Species/*metabolism ; Signal Transduction ; Transcription Factors/chemistry/*metabolism ; *Tumor Suppressor Proteins ; *Ubiquitin-Protein Ligases ; Ubiquitins/metabolism ; Von Hippel-Lindau Tumor Suppressor Protein
    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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    Reaction of monosaccharides with proteins: possible evolutionary significance (1981)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1981-07-10
    Description: Measurements were made of the rate of condensation of various monosaccharides with amino groups of hemoglobin to form Schiff base linkages. The reactivity of each sugar was dependent on the extent to which it exists in the open (carbonyl) structure rather than in the ring (hemiacetal or hemiketal) structure. Among the 15 monosaccharides tested, aldoses showed higher reactivities than ketoses. Glucose was the least reactive of the aldohexoses. The emergence of glucose as the primary metabolic fuel may be due in part to the high stability of its ring structure which limits potentially deleterious nonenzymatic glycosylation of proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bunn, H F -- Higgins, P J -- AM-18223/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1981 Jul 10;213(4504):222-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of the Howard Hughes Medical Institute, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12192669" target="_blank"〉PubMed〈/a〉
    Keywords: Borohydrides/chemistry ; *Evolution, Chemical ; Glucose/chemistry ; Glycolysis ; Glycosylation ; Hemoglobin A/*chemistry ; Hexoses/chemistry ; Humans ; In Vitro Techniques ; Monosaccharides/*chemistry ; Schiff Bases/chemical synthesis
    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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    The glycosylation of hemoglobin: relevance to diabetes mellitus (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-04-07
    Description: Glucose reacts nonenzymatically with the NH2-terminal amino acid of the beta chain of human hemoglobin by way of a ketoamine linkage, resulting in the formation of hemoglobin AIc. Other minor components appear to be adducts of glucose 6-phosphate and fructose 1,6-diphosphate. These hemoglobins are formed slowly and continuously throughout the 120-day life-span of the red cell. There is a two- to threefold increase in hemoglobin AIc in the red cells of patients with diabetes mellitus. By providing an integrated measurement of blood glucose, hemoglobin AIc is useful in assessing the degree of diabetic control. Furthermore, this hemoglobin is a useful model of nonenzymatic glycosylation of other proteins that may be involved in the long-term complications of the disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bunn, H F -- Gabbay, K H -- Gallop, P M -- New York, N.Y. -- Science. 1978 Apr 7;200(4337):21-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/635569" target="_blank"〉PubMed〈/a〉
    Keywords: Blood Glucose/metabolism ; Chemical Phenomena ; Chemistry ; Diabetes Complications ; Diabetes Mellitus/*blood/diagnosis ; Diphosphoglyceric Acids/blood ; Glycosides/blood ; Glycosuria/etiology ; Hemoglobin A/*metabolism ; Hemoglobins/*analysis/*metabolism ; Humans ; Kinetics ; Oxygen/blood ; Structure-Activity Relationship
    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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    Regulation of the erythropoietin gene: evidence that the oxygen sensor is a heme protein (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-12-09
    Description: Erythropoietin (Epo), the hormone that stimulates red blood cell production, is synthesized in the kidney and liver in response to hypoxia. The human hepatoma cell line Hep3B regulates its production of Epo in a physiologic manner. Either hypoxia or cobalt chloride markedly increases expression of Epo mRNA as well as production of biologically active and immunologically distinct Epo protein. New protein synthesis is required before the induction of increased levels of hypoxia- or cobalt-induced Epo mRNA. Hypoxia, cobalt chloride, and nickel chloride appear to stimulate Epo production through a common pathway. The inhibition of Epo production at low partial pressures of oxygen by carbon monoxide provides evidence that a heme protein is integrally involved in the oxygen-sensing mechanism. This hypothesis is further supported by the finding that when heme synthesis is blocked, hypoxia-, cobalt-, and nickel-induced Epo production are all markedly inhibited. A model is proposed in which a ligand-dependent conformational change in a heme protein accounts for the mechanism by which hypoxia as well as cobalt and nickel stimulate the production of Epo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldberg, M A -- Dunning, S P -- Bunn, H F -- DK01401/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1988 Dec 9;242(4884):1412-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2849206" target="_blank"〉PubMed〈/a〉
    Keywords: Anaerobiosis ; Carbon Monoxide/pharmacology ; Carcinoma, Hepatocellular/genetics/metabolism ; Cell Line ; Cobalt/pharmacology ; Cycloheximide/pharmacology ; Erythropoietin/*genetics ; *Gene Expression Regulation ; *Genes/drug effects ; Hemeproteins/*physiology ; Humans ; Iron/pharmacology ; Liver Neoplasms/genetics/metabolism ; Manganese/pharmacology ; Nickel/pharmacology ; *Transcription, Genetic/drug effects
    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
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    Regulation of erythrocyte cation and water content in sickle cell anemia (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-04-18
    Description: The pathophysiological events in sickle cell disease are critically dependent on the intracellular concentration of hemoglobin S, which varies inversely with cell cation and water content. Erythrocytes of SS homozygotes exposed to oxygen or carbon monoxide decrease their potassium and water content through a pathway for potassium transport that is activated by both cell swelling and decrease in internal pH. This pathway is not inhibited by ouabain either with or without bumetanide. When SS erythrocytes were separated according to density, the pH- and volume-dependent potassium transport was greatest in the least dense fraction and was reduced in the densest cells. This pathway, which does not depend on polymerization of sickle hemoglobin, may be important in regulating the cation and water content of SS erythrocytes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brugnara, C -- Bunn, H F -- Tosteson, D C -- HL-16927/HL/NHLBI NIH HHS/ -- HL-34671/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1986 Apr 18;232(4748):388-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3961486" target="_blank"〉PubMed〈/a〉
    Keywords: Anemia, Sickle Cell/*blood/metabolism ; Body Water/*metabolism ; Bumetanide/pharmacology ; Erythrocytes/analysis/drug effects/*metabolism/physiology ; Hemoglobin, Sickle/analysis/metabolism ; Humans ; Hydrogen-Ion Concentration ; Ouabain/pharmacology ; Potassium/analysis/*metabolism ; Sodium/analysis/*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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  • 6
    Electronic Resource
    Electronic Resource
    Functional aspects of hemoglobin evolution in the mammals (1976)
    Springer
    Journal of molecular evolution 8 (1976), S. 311-316 
    Details
    ISSN: 1432-1432
    Keywords: Hemoglobin ; 2,3 Diphosphoglycerate (DPG) ; Mammals ; Molecular Evolution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Comparative studies of red cell 2,3 Diphosphoglycerate (DPG) and its effect on hemoglobin oxygen affinity from a taxonomically diverse set of mammals indicate two anomalous groups: members of the superfamilies Bovoidea (Actiodactyla) and Feloidea (Carnivora). In both taxa all of the individuals assayed had very low or unmeasurable quantities of DPG and red cell lysates with little, if any, DPG effect as measured by the change in oxygen affinity in the absence and presence of the phosphate. However, in both groups compensatory changes have occurred in hemoglobin structure and function so as to reduce the native oxygen affinity and thus cause them to resemble the hemoglobins of DPG-utilizing mammals as they occur in the setting of the red cell. We conclude that this parallelism of function is the result of convergent evolution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01739256
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    Paper (German National Licenses)
    Fulltext
  • 7
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    An essential role for p300/CBP in the cellular response to hypoxia (1996)
    National Academy of Sciences
    Details
    Publication Date: 1996-11-12
    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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  • 8
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    Absence of a reductase, NCB5OR, causes insulin-deficient diabetes (2004)
    National Academy of Sciences
    Details
    Publication Date: 2004-07-09
    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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  • 9
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    Molecular and cellular pathogenesis of hemoglobin SC disease. (1982)
    National Academy of Sciences
    Details
    Publication Date: 1982-12-01
    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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  • 10
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    Regulation of hypoxia-inducible factor 1  is mediated by an O2-dependent degradation domain via the ubiquitin-proteasome pathway (1998)
    National Academy of Sciences
    Details
    Publication Date: 1998-07-07
    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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