Role of Transformation in Modulating [beta]-amyloid Aggregation and Toxicity

Role of Transformation in Modulating [beta]-amyloid Aggregation and Toxicity PDF Author: Lin Liu
Publisher:
ISBN:
Category :
Languages : en
Pages : 178

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Role of Transformation in Modulating [beta]-amyloid Aggregation and Toxicity

Role of Transformation in Modulating [beta]-amyloid Aggregation and Toxicity PDF Author: Lin Liu
Publisher:
ISBN:
Category :
Languages : en
Pages : 178

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Book Description


Tau oligomers

Tau oligomers PDF Author: Jesus Avila
Publisher: Frontiers E-books
ISBN: 288919261X
Category : Medicine (General)
Languages : en
Pages : 114

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Book Description
Neurofibrillary tangles (NFTs) composed of intracellular aggregates of tau protein are a key neuropathological feature of Alzheimer’s Disease (AD) and other neurodegenerative diseases, collectively termed tauopathies. The abundance of NFTs has been reported to correlate positively with the severity of cognitive impairment in AD. However, accumulating evidences derived from studies of experimental models have identified that NFTs themselves may not be neurotoxic. Now, many of tau researchers are seeking a “toxic” form of tau protein. Moreover, it was suggested that a “toxic” tau was capable to seed aggregation of native tau protein and to propagate in a prion-like manner. However, the exact neurotoxic tau species remain unclear. Because mature tangles seem to be non-toxic component, “tau oligomers” as the candidate of “toxic” tau have been investigated for more than one decade. In this topic, we will discuss our consensus of “tau oligomers” because the term of “tau oligomers” [e.g. dimer (disulfide bond-dependent or independent), multimer (more than dimer), granular (definition by EM or AFM) and maybe small filamentous aggregates] has been used by each researchers definition. From a biochemical point of view, tau protein has several unique characteristics such as natively unfolded conformation, thermo-stability, acid-stability, and capability of post-translational modifications. Although tau protein research has been continued for a long time, we are still missing the mechanisms of NFT formation. It is unclear how the conversion is occurred from natively unfolded protein to abnormally mis-folded protein. It remains unknown how tau protein can be formed filaments [e.g. paired helical filament (PHF), straight filament and twisted filament] in cells albeit in vitro studies confirmed tau self-assembly by several inducing factors. Researchers are still debating whether tau oligomerization is primary event rather than tau phosphorylation in the tau pathogenesis. Inhibition of either tau phosphorylation or aggregation has been investigated for the prevention of tauopathies, however, it will make an irrelevant result if we don’t know an exact target of neurotoxicity. It is a time to have a consensus of definition, terminology and methodology for the identification of “tau oligomers”.

Posttranslational Modification of Proteins

Posttranslational Modification of Proteins PDF Author: Christopher Walsh
Publisher: Roberts and Company Publishers
ISBN: 9780974707730
Category : Science
Languages : en
Pages : 524

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Book Description
Covering the major classes of posttranslational modifications, Posttranslational Modification of Proteins is the first comprehensive treatment of this burgeoning area of proteome diversification.

Bioinorganic Chemistry of Copper

Bioinorganic Chemistry of Copper PDF Author: K.D. Karlin
Publisher: Springer Science & Business Media
ISBN: 940116875X
Category : Science
Languages : en
Pages : 510

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Book Description
Bioinorganic Chemistry of Copper focuses on the vital role of copper ions in biology, especially as an essential metalloenzyme cofactor. The book is highly interdisciplinary in its approach--the outstanding list of contributors includes coordination chemists, biochemists, biophysicists, and molecular biologists. Chapters are grouped into major areas of research interest in inorganic copper chemistry, spectroscopy, oxygen chemistry, biochemistry, and molecular biology. The book also discusses basic research of great potential importance to pharmaceutical scientists. This book is based on the first Johns Hopkins University Copper Symposium, held in August 1992. Researchers in chemistry, biochemistry, molecular biology, and medicinal chemistry will find it to be an essential reference on its subject.

Protein Self-Assembly

Protein Self-Assembly PDF Author: Jennifer J. McManus
Publisher: Humana
ISBN: 9781493996803
Category : Science
Languages : en
Pages : 266

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Book Description
This volume explores experimental and computational approaches to measuring the most widely studied protein assemblies, including condensed liquid phases, aggregates, and crystals. The chapters in this book are organized into three parts: Part One looks at the techniques used to measure protein-protein interactions and equilibrium protein phases in dilute and concentrated protein solutions; Part Two describes methods to measure kinetics of aggregation and to characterize the assembled state; and Part Three details several different computational approaches that are currently used to help researchers understand protein self-assembly. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Thorough and cutting-edge, Protein Self-Assembly: Methods and Protocols is a valuable resource for researchers who are interested in learning more about this developing field.

Neuronal Cytoskeleton

Neuronal Cytoskeleton PDF Author: Hirokawa
Publisher: CRC Press
ISBN: 9780849377419
Category : Science
Languages : en
Pages : 360

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Book Description
This book discusses the primary functions of microtubule-associated proteins (MAPs) such as MAP2 and tau in neuronal morphogenesis, as well as relationships between neuronal differentiation and the expression of neuronal intermediate filaments (nestin, alpha internexin, and neurofilament triplet proteins). It emphasizes the importance of several cytoskeletal proteins for neuronal differentiation and morphogenesis, organelle transport, and synaptic functions. The book considers the involvement of tau MAPs in the formation of paired helical filaments in Alzheimer's disease, and it examines the mechanisms of organelle transports and molecular motors such as kinesin, braindynein, and kinesin superfamily proteins. Cytoskeletal proteins involved in synaptic formation and transmitter release and new synaptic junctional-associated proteins are explored as well.

Alzheimer's Disease Drug Development

Alzheimer's Disease Drug Development PDF Author: Jeffrey Cummings
Publisher: Cambridge University Press
ISBN: 1108838669
Category : Business & Economics
Languages : en
Pages : 575

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Book Description
Provides a definitive overview of the complex ecosystem facilitating Alzheimer's Disease drug research and development. Demonstrates a drug's journey from in the lab, clinical trial testing, regulatory review, and marketing by pharmaceutical companies. Details the use of artificial intelligence, clinical trial management, and financing models.

Strategies and Tools for Modulating Pathologic Protein Self-Assembly in Proteinopathies

Strategies and Tools for Modulating Pathologic Protein Self-Assembly in Proteinopathies PDF Author: Gal Bitan
Publisher: Frontiers Media SA
ISBN: 2889767116
Category : Science
Languages : en
Pages : 212

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Book Description


Amyloid Proteins

Amyloid Proteins PDF Author: Einar M. Sigurdsson
Publisher: Springer Science & Business Media
ISBN: 1592598749
Category : Science
Languages : en
Pages : 390

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Book Description
A proven collection of readily reproducible techniques for studying amyloid proteins and their involvement in the etiology, pathogenesis, diagnosis, and therapy of amyloid diseases. The contributors provide methods for the preparation of amyloid and its precursors (oligomers and protofibrils), in vitro assays and analytical techniques for their study, and cell culture models and assays for the production of amyloid proteins. Additional chapters present readily reproducible techniques for amyloid extraction from tissue, its detection in vitro and in vivo, as well as nontransgenic methods for developing amyloid mouse models. The protocols follow the successful Methods in Molecular BiologyTM series format, each offering step-by-step laboratory instructions, an introduction outlining the principle behind the technique, lists of the necessary equipment and reagents, and tips on troubleshooting and avoiding known pitfalls.

Index Medicus

Index Medicus PDF Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 2068

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Book Description
Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.