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In the past few years there has been the increased recognition that the effects of oxidative stress are not limited to the damage of cellular constituents. There is now evidence that reactive oxygen species (ROS) can alter cell function by acting upon the intermediates, or second messengers, in signal transductions. Such effects on signaling mechanisms probably account for the role of oxidative stress in inflammation, aging, and cancer. This volume brings together internationally recognized researchers in both the major areas covered by the book, oxidative stress and signal transduction. The work is organized in three sections. The first deals with the immediate cellular responses to oxidative stress and the production of second messengers. The second details the connection between second messengers and the gene. The third part looks more closely at the level of the gene.
Chemical structure and bonding. The scope of the series spans the entire Periodic Table and addresses structure and bonding issues associated with all of the elements. It also focuses attention on new and developing areas of modern structural and theoretical chemistry such as nanostructures, molecular electronics, designed molecular solids, surfaces, metal clusters and supramolecular structures. Physical and spectroscopic techniques used to determine, examine and model structures fall within the purview of Structure and Bonding to the extent that the focus is on the scientific results obtained and not on specialist information concerning the techniques themselves. Issues associated with the ...
This serial continues to combine regular updates of significant research in medicinal chemistry with emerging research in biological science destined to impact the discovery and development of new medicinal agents.
This volume of the Handbook of Neuroanatomy is concerned with nitric oxide synthase. In this volume different research areas are presented together, which adds up to the first major review volume on the localization of nitric oxide synthase in the nervous system. The subjects range from developmental aspects in vertebrates to a functional neuroanatomy of the nervous system in vertebrates. This presentation gives an impressive look on the overwhelming presence of NOS in animal organism and the significance of NO - cGMP signaling. By clearly stating the limitations of our present knowledge the book is also a stimulant for further research. This book presents for the first time an overview of N...
In response to significant developments in sensor science and technology, this book offers insight into the various extended applications and developments of N4 macrocycle complexes in biomimetic electrocatalysis. Chapters are devoted to the chemistry, electronic and electrochemical properties of porphyrin- based polymetallated supramolecular redox catalysts and their applications in analytical and photoelectrochemical molecular devices; the use of porphyrins, phthalocyanines and related complexes as electrocatalysts for the detection of a wide variety of environmentally polluting and biologically relevant molecules; and the use of electropolymerized metalloporphyrin and metallophthalocyanine films as powerful materials for analytical tools, especially for sensing biologically relevant species.
"Nitric Oxide and Free Radicals in Peripheral Neurotransmission" is a welcome addition to the literature and describes current research into the role of nitric oxide in the peripheral nervous system and its associated organs. Topics covered range from general consideration of nitrergic transmission, in its broadest sense, to elaboration of our current understanding of the role of nitric oxide in transmission in individual peripheral organs, including its role as a backup, or alternate as well as chief transmitter. The influence of nitric oxide and related compounds on the more conventional modes of autonomic transmission are also considered. Aimed at students and researchers in the areas of neuroscience and physiology, "Nitric Oxide and Free Radicals in Peripheral Neurotransmission" also covers the emerging role of abnormal nitric oxide function in disease states and, where appropriate, as potential avenues of therapy.
In order to make further progress in elucidating the mechanism of NOS catalysis it will be essential to throw light on the interaction between the enzyme and its substrate. An understanding of the catalytic site will also assist the development of therapeutically important NOS inhibitors. In particular. it will be useful to uncover any differences that exist between the substrate binding sites of the three NOS isozymes which might be exploited for the development of isoform selective NOS inhibitors. A comparison of NOS to other Arg-binding proteins has shown no significant sequence homology (159). Moreover, the lack of a 3D structure and absence of significant sequence homology between the N...
This volume aims to provide an in-depth view of the complete biochemistry of sulfur with an emphasis on aspects not covered elsewhere. Given its role in the formation of proteins and presence in the amino acids methionine and cysteine, sulfur is essential to life. Current literature on the biochemistry of sulfur is vast and widely dispersed, as such this volume is intended as a single-source for everything concerning sulfur biochemistry from metabolic roles of inorganic sulfur, to thiol and thioether chemical biology, to the university of cysteine chemistry in proteomes. Authored by a renowned biochemist and experienced writer and educator, this book is ideal for students and researchers in biochemistry, biology and the life sciences with an interest in sulfur and its role in life.
Since the nineteenth century, when engineers were using nitroglycerin to blow up rockbeds, and doctors were prescribing it to relieve angina, scientists have been exploring the incredible and often baffling behavior of nitric oxide. In the 1980s, researchers discovered that nitric oxide had the capacity to regulate vascular tone through cyclic GMP,
Ageing is a complex, time-related biological phenomenon that is genetically determined and environmentally modulated. According to even the most pessimistic projections, average lifespan is expected to increase around the world during the next 20 years, significantly raising the number of aged individuals. But increasing life expectancy presents new problems, and industrialized countries are facing a pronounced increase in lifestyle diseases which constitute barriers to healthy ageing. Anti-Ageing Nutrients: Evidence-based Prevention of Age-Associated Diseases is written by a multi-disciplinary group of researchers, all interested in the nutritional modulation of ageing mechanisms. Structure...