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  • 1
    Online Resource
    Online Resource
    Abeta Peptide and Alzheimer’s Disease : Celebrating a Century of Research (2007)
    London : Springer-Verlag London Limited
    Details Availability
    Keywords: Medicine ; Human genetics ; Neurosciences ; Biochemistry ; Neurology ; Neurosurgery ; Medicine & Public Health ; Biochemistry ; Human genetics ; Medicine ; Neurology ; Neurosciences ; Neurosurgery ; Alzheimer Disease metabolism ; Alzheimer Disease etiology ; Amyloid beta-Protein metabolism ; Amyloid beta-protein ; Alzheimer's disease Molecular aspects ; Alzheimerkrankheit
    Description / Table of Contents: Recent advances in genetics and brain biochemistry point to the Abeta peptide as the major culprit in causing neurodegeneration in Alzheimer's Disease (AD). This book summarizes current knowledge of the Abeta peptide and its role in AD. Written by specialists in this fast moving area, the book covers fundamental biochemical studies on this peptide, the genetic impact on Abeta expression and processing, and various AD therapeutic strategies that target Abeta.
    Type of Medium: Online Resource
    Pages: Online-Ressource (XI, 298 p, digital)
    ISBN: 9781846284403
    Series Statement: SpringerLink
    URL: https://doi.org/10.1007/978-1-84628-440-3
    URL: http://dx.doi.org/10.1007/978-1-84628-440-3
    URL: https://swbplus.bsz-bw.de/bsz262064537cov.jpg
    URL: https://swbplus.bsz-bw.de/bsz262064537vor.htm
    DOI: 10.1007/978-1-84628-440-3
    RVK:
    YG 4000
    Language: English
    Note: Includes bibliographical references and index , Preface; CONTENTS; Contributors; 1 A Brief Introduction to the History of the ß-Amyloid Protein (Aß) of Alzheimer's Disease; 2. The Aßcentric Pathway of Alzheimer's Disease; 3. The Function of the Amyloid Precursor Protein Family; 4. The Involvement of Aß in the Neuroinflammatory Response; 5. Amyloid ß-Peptide(1-42), Oxidative Stress, and Alzheimer's Disease; 6. Amyloid Toxicity, Synaptic Dysfunction, and the Biochemistry of Neurodegeneration in Alzheimer's Disease; 7. Aß Variants and Their Impact on Amyloid Formation and Alzheimer's Disease Progression , 8. Copper Coordination by ß-Amyloid and the Neuropathology of Alzheimer's Disease9. Cholesterol and Alzheimer's Disease; 10. Amyloid ß-Peptide and Central Cholinergic Neurons: Involvement in Normal Brain Function and Alzheimer's Disease Pathology; 11. Physiologic and Neurotoxic Properties of Aß Peptides; 12. Impact of ß-Amyloid on the Tau Pathology in Tau Transgenic Mouse and Tissue Culture Models; 13. Glial Cells and Aß Peptides in Alzheimer's Disease Pathogenesis; 14. The Role of Presenilins in Aß-Induced Cell Death in Alzheimer's Disease , 15. Immunotherapeutic Approaches to Alzheimer's Disease16. Mouse Models of Alzheimer's Disease; Subject Index; Author Index
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  • 2
    Electronic Resource
    Electronic Resource
    Candidate .gamma.-Secretases in the Generation of the Carboxyl Terminus of the Alzheimer's Disease .beta.A4 Amyloid: Possible Involvement of Cathepsin D (1995)
    s.l. : American Chemical Society
    Biochemistry 34 (1995), S. 14185-14192 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00043a024
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  • 3
    Electronic Resource
    Electronic Resource
    A protease activity associated with acetylcholinesterase releases the membrane-bound form of the amyloid protein precursor of Alzheimer's disease (1991)
    s.l. : American Chemical Society
    Biochemistry 30 (1991), S. 10795-10799 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00108a027
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  • 4
    Electronic Resource
    Electronic Resource
    Role of Proteoglycans in Neural Development, Regeneration, and the Aging Brain (1996)
    Oxford, UK : Blackwell Science Ltd
    Journal of neurochemistry 67 (1996), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1471-4159.1996.67030889.x
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  • 5
    Electronic Resource
    Electronic Resource
    Identification of a Trypsin-Like Site Associated with Acetylcholinesterase by Affinity Labelling with [3H]Diisopropyl Fluorophosphate (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 51 (1988), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In addition to its ability to hydrolyze acetylcho-line, purified eel acetylcholinesterase possesses a trypsin-like endopeptidase activity. The tryptic activity is associated with a serine residue at a site that is distinct from the esteratic site. To label both the esteratic and tryptic sites, the enzyme was incubated with the serine hydrolase inhibitor [3H]diisopropyl fluorophosphate. This compound labelled the protein in a biphasic manner, with both slow and rapid labelling kinetics. The time course of the rapid phase was similar to the time course of inactivation of the esteratic activity. The time course of the slow phase was similar to the time course of inactivation of the tryptic activity. Labelling of the nonesteratic site was inhibited by the trypsin inhibitor Nα-p-tosyl-l-lysine chloromethyl ketone. The total number of sites labelled by [3H]diisopropyl fluorophosphate on eel acetylcholinesterase was 2.6 mol/280,000 g protein, whereas the number of tryptic sites was less (0.52 mol/280,000 g). The results suggest that a subpopulation of acetylcholinesterase molecules may possess tryptic activity. Extensive chromatography of the purified enzyme by ion-exchange and gel filtration failed to separate the labelled tryptic component from acetylcholinesterase. On sodium dodecyl sulfate-polyacrylamide gels, the labelled tryptic component comigrated with a polypeptide of 50,000 molecular weight, which is a major proteolytic digestion product derived from the intact acetylcholinesterase monomer. Because of its localization in many noncholinergic peptide-containing cells, acetylcholinesterase could act as a neuro-peptide processing enzyme in these cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1988.tb04836.x
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  • 6
    Electronic Resource
    Electronic Resource
    Characterization of a Dipeptidyl Aminopeptidase from Bovine Adrenal Medulla (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 50 (1988), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: A dipeptidyl aminopeptidase was partially purified from a supernatant fraction of bovine adrenal medulla by gel filtration and anion-exchange chromatography. From gel filtration, the apparent molecular weight of the enzyme was 68,100 and its pH optimum was 9.5. Its Km for hydrolysis of the synthetic substrate arginylarginine-β-naphthylamide was 5.5 × 10−6M. The enzyme was inhibited by metal ion chelating agents and thiol blocking agents. suggesting the requirement for both a metal ion and an active cysteine residue for its activity. Several peptides were cleaved by the dipeptidyl aminopeptidase involving the sequential removal of dipeptides from the N-terminus. Biologically active peptides, such as leucine-enkephalin, methionine-enkephalin, and angiotensin II, were hydrolyzed by the dipeptidyl aminopeptidase although opioid peptides with a length greater than five amino acid residues were not susceptible to hydrolysis. Other peptides with a blocked N-terminus (neurotensin, bombesin) or a proline residue adjacent to a potential cleavage site (substance P) were not hydrolyzed. The ability of this dipeptidyl aminopeptidase to degrade certain neuropeptides suggests that it could be involved in neuropeptide degradation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1988.tb13226.x
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  • 7
    Electronic Resource
    Electronic Resource
    An Amyloid Peptide, βA4 25–35, Mimics the Function of Substance P on Modulation of Nicotine-Evoked Secretion and Desensitization in Cultured Bovine Adrenal Chromaffin Cells (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 60 (1993), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: The amyloid protein (βA4) is found in the CNS of patients with Alzheimer's disease; however, the pathogenic role of this protein is not known. In the present study, a peptide fragment of βA4βA4 25–35; Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-NH2), which contains the conserved C-terminal sequence of substance P (X-Gly-Leu-Met-NH2), and the neuropeptide substance P (SP) were examined for their ability to modulate nicotine-evoked secretion from cultured bovine adrenal chromaffin cells. Secretion of the released endogenous catecholamines was monitored by electrochemical detection after separation by HPLC. Secretion induced by 10−5M nicotine was inhibited by SP and βA4 25–35. The IC50 of SP and βA4 25–35 was 3 × 10−6 and 3 × 10−5M, respectively. SP and βA4 25–35 both protected against nicotinic receptor desensitization. However, βA4 25–35 was ∼ 10-fold less effective than SP in its protective effect. The present work shows that βA4 25–35 can mimic the modulatory actions of SP on the nicotinic response of cultured bovine chromaffin cells, i.e., inhibition of the nicotinic response and protection against nicotinic desensitization. These modulatory actions may be associated with changes in nicotinic receptor levels reported to occur in Alzheimer's disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1993.tb03270.x
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  • 8
    Electronic Resource
    Electronic Resource
    Human Brain βA4 Amyloid Protein Precursor of Alzheimer's Disease: Purification and Partial Characterization (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 59 (1992), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: The major component of the amyloid deposition that characterizes Alzheimer's disease is the 4-kDa βA4 protein, which is derived from a much larger amyloid protein precursor (APP). A procedure for the complete purification of APP from human brain is described. The same amino terminal sequence of APP was found in two patients with Alzheimer's disease and one control subject. Two major forms of APP were identified in human brain with apparent molecular masses of 100–110 kDa and 120–130 kDa. Soluble and membrane fractions of brain contained nearly equal amounts of APP in both humans and rats. Immunoprecipitation with carboxyl terminus-directed antibodies indicates that the soluble forms of APP are truncated. Carboxyl terminus truncation of membrane-associated forms of human brain APP was also found to occur during postmortem autolysis. The availability of purified human brain APP will facilitate the investigation of its normal function and the events that lead to its abnormal cleavage in patients with Alzheimer's disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1992.tb08465.x
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  • 9
    Electronic Resource
    Electronic Resource
    Association of Serotonin, Dopamine, or Noradrenaline with an Actin-Like Component in Pheochromocytoma (PC12) Cells (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 45 (1985), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: A rat pheochromocytoma (PC12) cell line was used to examine the possibility that 5-hydroxytryptamine (serotonin), 3,4-dihydroxyphenylethylamine (dopamine), or noradrenaline may be associated with cytoplasmic actin, as was suggested by previous in vitro binding studies on an actin-like protein from rat brain synaptosomes. When PC12 cells were incubated with [3H]serotonin, [3H]dopamine, or [3H]noradrenaline for 30 min at 37°C, approximately 2–4% of the radioactivity present in the cells was found to be associated with a high-molecular-weight (actin-like) component in supernatant fractions. Evidence relating this monoamine binding component to actin filaments includes: (a) its strong absorption by myosin filaments at low ionic strength; (b) a decrease in its affinity for myosin in the presence of 1 mM ATP, which lowers the affinity of authentic actin for myosin; (c) displacement of bound [3H]serotonin from it by DNase I, which binds strongly to actin and which inhibits [3H]serotonin binding to actin in vitro; (d) an increase in its binding of each monoamine (by 25–40%) after PC12 cells were preincubated with 10 μM cytochalasin B (a drug that induces depolymerization of F-actin). These findings suggest that serotonin, dopamine, or noradrenaline may associate with actin filaments in vivo.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1985.tb04068.x
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  • 10
    Electronic Resource
    Electronic Resource
    A Function for Butyrylcholinesterase? (1995)
    Oxford, UK : Blackwell Science Ltd
    Journal of neurochemistry 64 (1995), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1471-4159.1995.64010466.x
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