Cyclin Dependent Kinase 5 (Cdk5)


Book Description

Cyclin Dependent Kinase 5 provides a comprehensive and up-to-date collection of reviews on the discovery, signaling mechanisms and functions of Cdk5, as well as the potential implication of Cdk5 in the treatment of neurodegenerative diseases. Since the identification of this unique member of the Cdk family, Cdk5 has emerged as one of the most important signal transduction mediators in the development, maintenance and fine-tuning of neuronal functions and networking. Further studies have revealed that Cdk5 is also associated with the regulation of neuronal survival during both developmental stages and in neurodegenerative diseases. These observations indicate that precise control of Cdk5 is essential for the regulation of neuronal survival. The pivotal role Cdk5 appears to play in both the regulation of neuronal survival and synaptic functions thus raises the interesting possibility that Cdk5 inhibitors may serve as therapeutic treatment for a number of neurodegenerative diseases.




Molecular Aspects of Development and Aging of the Nervous System


Book Description

The rapidly expanding fields of molecular and cellular neurobiology are the newest frontiers of neuroscience. This book represents the continuing efforts of the Institute of Developmental Neuroscience and Aging (IDNA) to disseminate the most recent advances on the developing and aging nervous system at the molecular and cellular levels. A group of neuroscientists presented and discussed their findings at a recent IDNA conference held in Athens, Greece, June 15-18, 1988. This meeting was sponsored by the National Hellenic Research Foundation, FIDIA, the Ministry of Research and Technology, the Tourism Organization of Greece, and the National Institute of Child Health and Human Development, NIH. The Directors of the IDNA are grateful to the local committee, Drs. Eleni Fleischer, Costas Sekeris, Michael Alexis, Theony Valcana, and Elias Kouvelas, for their efforts in organizing this meeting and for their successful integration of science and culture for the participants. This volume provides a comprehensive overview of the information presented at this conference, including in-depth discussions of each topic by the participants. The chapters are grouped into five general categories which correspond to the subject areas covered during the meeting. These include: Gene and Phenotypic Expression, Growth Factors and Oncogenes, Cytoskeletal and Extracellular Molecules, Neurotransmitters and Hormones, and Molecular Aspects of Aging and Alzheimer's Disease. The section on Gene and Phenotypic Expression includes discussions of transient gene expression in the nervous system (Herschman), developmental regulation of myelin-associated genes (Gordon et al.




Mitochondrial Dysfunction


Book Description

Methods in Toxicology, Volume 2: Mitochondrial Dysfunction provides a source of methods, techniques, and experimental approaches for studying the role of abnormal mitochondrial function in cell injury. The book discusses the methods for the preparation and basic functional assessment of mitochondria from liver, kidney, muscle, and brain; the methods for assessing mitochondrial dysfunction in vivo and in intact organs; and the structural aspects of mitochondrial dysfunction are addressed. The text also describes chemical detoxification and metabolism as well as specific metabolic reactions that are especially important targets or indicators of damage. The methods for measurement of alterations in fatty acid and phospholipid metabolism and for the analysis and manipulation of oxidative injury and antioxidant systems are also considered. The book further tackles additional methods on mitochondrial energetics and transport processes; approaches for assessing impaired function of mitochondria; and genetic and developmental aspects of mitochondrial disease and toxicology. The text also looks into mitochondrial DNA synthesis, covalent binding to mitochondrial DNA, DNA repair, and mitochondrial dysfunction in the context of developing individuals and cellular differentiation. Microbiologists, toxicologists, biochemists, and molecular pharmacologists will find the book invaluable.




Tau Biology


Book Description

This book presents essential studies and cutting-edge research results on tau, which is attracting increasing interest as a target for the treatment of Alzheimer's disease. Tau is well known as a microtubule-associated protein that is predominantly localized in the axons of neurons. In various forms of brain disease, neuronal loss occurs, with deposition of hyperphosphorylated tau in the remaining neurons. Important questions remain regarding the way in which tau forms hyperphosphorylated and fibrillar deposits in neurons, and whether tau aggregation represents the toxic pathway leading to neuronal death. With the help of new technologies, researchers are now solving these long-standing questions. In this book, readers will find the latest expert knowledge on all aspects of tau biology, including the structure and role of the tau molecule, tau localization and function, the pathology, drivers, and markers of tauopathies, tau aggregation, and treatments targeting tau. Tau Biology will be an invaluable source of information and fresh ideas for those involved in the development of more effective therapies and for all who seek a better understanding of the biology of the aging brain.







Molecular Biology of Neurodegenerative Diseases


Book Description

Neurodegenerative diseases result in progressive degeneration and / or death of nerve cells which leads to problems with movement and mental functioning. Examples include Parkinson's, Alzheimer's and Huntington's disease. Much research is taking place to try to identify ways to prevent or lessen the impact of these diseases. This volume reviews the latest research and developments in the molecular biology of neurodegenerative diseases. Contributions from leading authorities Informs and updates on all the latest developments in the field




Metabolic Modulation of Cellular Function


Book Description

Metabolic pathways and their metabolites are gaining recognition as both sensitive biomarkers for pathological conditions and key modulators of cell fate. In the past, metabolic changes were considered a consequence of gene expression, metabolite control, or environmental changes such as starvation. However, extensive research in the last decade has demonstrated that metabolic changes respond to and influence cellular signaling. This crosstalk between metabolism and cellular signaling is mainly enabled by novel metabolite-mediated modulation of enzymatic activity of rate-limiting steps and post-translational and epigenetic modifications, for which metabolites serve as substrates.







Neuronal Cytoskeleton


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.